chore(linters): Replace 'fmt.Errorf' with 'errors.New' wherever possible (#14698)

agent/accumulator_test.go

@@ -2,7 +2,7 @@ package agent
 
 import (
 	"bytes"
-	"fmt"
+	"errors"
 	"log"
 	"os"
 	"testing"
@@ -55,9 +55,9 @@ func TestAccAddError(t *testing.T) {
 	defer close(metrics)
 	a := NewAccumulator(&TestMetricMaker{}, metrics)
 
-	a.AddError(fmt.Errorf("foo"))
+	a.AddError(errors.New("foo"))
-	a.AddError(fmt.Errorf("bar"))
+	a.AddError(errors.New("bar"))
-	a.AddError(fmt.Errorf("baz"))
+	a.AddError(errors.New("baz"))
 
 	errs := bytes.Split(errBuf.Bytes(), []byte{'\n'})
 	require.Len(t, errs, 4) // 4 because of trailing newline

config/config.go

@@ -503,7 +503,7 @@ func (c *Config) LoadConfigData(data []byte) error {
 	if val, ok := tbl.Fields["agent"]; ok {
 		subTable, ok := val.(*ast.Table)
 		if !ok {
-			return fmt.Errorf("invalid configuration, error parsing agent table")
+			return errors.New("invalid configuration, error parsing agent table")
 		}
 		if err = c.toml.UnmarshalTable(subTable, c.Agent); err != nil {
 			return fmt.Errorf("error parsing [agent]: %w", err)
@@ -794,7 +794,7 @@ func (c *Config) addAggregator(name string, table *ast.Table) error {
 		// Handle removed, deprecated plugins
 		if di, deprecated := aggregators.Deprecations[name]; deprecated {
 			printHistoricPluginDeprecationNotice("aggregators", name, di)
-			return fmt.Errorf("plugin deprecated")
+			return errors.New("plugin deprecated")
 		}
 		return fmt.Errorf("undefined but requested aggregator: %s", name)
 	}
@@ -980,7 +980,7 @@ func (c *Config) addProcessor(name string, table *ast.Table) error {
 		// Handle removed, deprecated plugins
 		if di, deprecated := processors.Deprecations[name]; deprecated {
 			printHistoricPluginDeprecationNotice("processors", name, di)
-			return fmt.Errorf("plugin deprecated")
+			return errors.New("plugin deprecated")
 		}
 		return fmt.Errorf("undefined but requested processor: %s", name)
 	}
@@ -1109,7 +1109,7 @@ func (c *Config) addOutput(name string, table *ast.Table) error {
 		// Handle removed, deprecated plugins
 		if di, deprecated := outputs.Deprecations[name]; deprecated {
 			printHistoricPluginDeprecationNotice("outputs", name, di)
-			return fmt.Errorf("plugin deprecated")
+			return errors.New("plugin deprecated")
 		}
 		return fmt.Errorf("undefined but requested output: %s", name)
 	}
@@ -1191,7 +1191,7 @@ func (c *Config) addInput(name string, table *ast.Table) error {
 		// Handle removed, deprecated plugins
 		if di, deprecated := inputs.Deprecations[name]; deprecated {
 			printHistoricPluginDeprecationNotice("inputs", name, di)
-			return fmt.Errorf("plugin deprecated")
+			return errors.New("plugin deprecated")
 		}
 
 		return fmt.Errorf("undefined but requested input: %s", name)

config/deprecation.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"errors"
 	"fmt"
 	"log"
 	"reflect"
@@ -171,7 +172,7 @@ func (c *Config) printUserDeprecation(category, name string, plugin interface{})
 	models.PrintPluginDeprecationNotice(info.LogLevel, info.Name, info.info)
 
 	if info.LogLevel == telegraf.Error {
-		return fmt.Errorf("plugin deprecated")
+		return errors.New("plugin deprecated")
 	}
 
 	// Print deprecated options

internal/snmp/translate.go

@@ -1,6 +1,7 @@
 package snmp
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -271,7 +272,7 @@ func SnmpTranslateCall(oid string) (mibName string, oidNum string, oidText strin
 	oidText = out.RenderQualified()
 	i := strings.Index(oidText, "::")
 	if i == -1 {
-		return "", oid, oid, oid, out, fmt.Errorf("not found")
+		return "", oid, oid, oid, out, errors.New("not found")
 	}
 	mibName = oidText[:i]
 	oidText = oidText[i+2:] + end

internal/snmp/wrapper.go

@@ -1,6 +1,7 @@
 package snmp
 
 import (
+	"errors"
 	"fmt"
 	"net/url"
 	"strconv"
@@ -46,7 +47,7 @@ func NewWrapper(s ClientConfig) (GosnmpWrapper, error) {
 	case 1:
 		gs.Version = gosnmp.Version1
 	default:
-		return GosnmpWrapper{}, fmt.Errorf("invalid version")
+		return GosnmpWrapper{}, errors.New("invalid version")
 	}
 
 	if s.Version < 3 {
@@ -74,7 +75,7 @@ func NewWrapper(s ClientConfig) (GosnmpWrapper, error) {
 		case "authpriv":
 			gs.MsgFlags = gosnmp.AuthPriv
 		default:
-			return GosnmpWrapper{}, fmt.Errorf("invalid secLevel")
+			return GosnmpWrapper{}, errors.New("invalid secLevel")
 		}
 
 		sp.UserName = s.SecName
@@ -95,7 +96,7 @@ func NewWrapper(s ClientConfig) (GosnmpWrapper, error) {
 		case "":
 			sp.AuthenticationProtocol = gosnmp.NoAuth
 		default:
-			return GosnmpWrapper{}, fmt.Errorf("invalid authProtocol")
+			return GosnmpWrapper{}, errors.New("invalid authProtocol")
 		}
 
 		sp.AuthenticationPassphrase = s.AuthPassword
@@ -116,7 +117,7 @@ func NewWrapper(s ClientConfig) (GosnmpWrapper, error) {
 		case "":
 			sp.PrivacyProtocol = gosnmp.NoPriv
 		default:
-			return GosnmpWrapper{}, fmt.Errorf("invalid privProtocol")
+			return GosnmpWrapper{}, errors.New("invalid privProtocol")
 		}
 
 		sp.PrivacyPassphrase = s.PrivPassword

internal/syslog/framing.go

@@ -1,7 +1,7 @@
 package syslog
 
 import (
-	"fmt"
+	"errors"
 	"strings"
 )
 
@@ -50,7 +50,7 @@ func (f *Framing) UnmarshalText(data []byte) error {
 		return nil
 	}
 	*f = -1
-	return fmt.Errorf("unknown framing")
+	return errors.New("unknown framing")
 }
 
 // MarshalText implements encoding.TextMarshaller
@@ -59,5 +59,5 @@ func (f Framing) MarshalText() ([]byte, error) {
 	if s != "" {
 		return []byte(s), nil
 	}
-	return nil, fmt.Errorf("unknown framing")
+	return nil, errors.New("unknown framing")
 }

models/running_output_test.go

@@ -1,7 +1,7 @@
 package models
 
 import (
-	"fmt"
+	"errors"
 	"sync"
 	"testing"
 	"time"
@@ -532,7 +532,7 @@ func (m *mockOutput) Write(metrics []telegraf.Metric) error {
 	m.Lock()
 	defer m.Unlock()
 	if m.failWrite {
-		return fmt.Errorf("failed write")
+		return errors.New("failed write")
 	}
 
 	if m.metrics == nil {
@@ -572,7 +572,7 @@ func (m *perfOutput) SampleConfig() string {
 
 func (m *perfOutput) Write(_ []telegraf.Metric) error {
 	if m.failWrite {
-		return fmt.Errorf("failed write")
+		return errors.New("failed write")
 	}
 	return nil
 }

plugins/common/cookie/cookie_test.go

@@ -2,7 +2,7 @@ package cookie
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -12,9 +12,10 @@ import (
 
 	clockutil "github.com/benbjohnson/clock"
 	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/require"
+
 	"github.com/influxdata/telegraf/config"
 	"github.com/influxdata/telegraf/testutil"
-	"github.com/stretchr/testify/require"
 )
 
 const (
@@ -189,7 +190,7 @@ func TestAuthConfig_Start(t *testing.T) {
 				renewal:  renewal,
 				endpoint: authEndpointWithBasicAuth,
 			},
-			wantErr:           fmt.Errorf("cookie auth renewal received status code: 401 (Unauthorized) []"),
+			wantErr:           errors.New("cookie auth renewal received status code: 401 (Unauthorized) []"),
 			firstAuthCount:    0,
 			lastAuthCount:     0,
 			firstHTTPResponse: http.StatusForbidden,
@@ -220,7 +221,7 @@ func TestAuthConfig_Start(t *testing.T) {
 				renewal:  renewal,
 				endpoint: authEndpointWithBody,
 			},
-			wantErr:           fmt.Errorf("cookie auth renewal received status code: 401 (Unauthorized) []"),
+			wantErr:           errors.New("cookie auth renewal received status code: 401 (Unauthorized) []"),
 			firstAuthCount:    0,
 			lastAuthCount:     0,
 			firstHTTPResponse: http.StatusForbidden,

plugins/common/kafka/config.go

@@ -1,12 +1,13 @@
 package kafka
 
 import (
-	"fmt"
+	"errors"
 	"math"
 	"strings"
 	"time"
 
 	"github.com/IBM/sarama"
+
 	"github.com/influxdata/telegraf"
 	tgConf "github.com/influxdata/telegraf/config"
 	"github.com/influxdata/telegraf/plugins/common/tls"
@@ -141,7 +142,7 @@ func (k *Config) SetConfig(config *sarama.Config, log telegraf.Logger) error {
 
 	switch strings.ToLower(k.MetadataRetryType) {
 	default:
-		return fmt.Errorf("invalid metadata retry type")
+		return errors.New("invalid metadata retry type")
 	case "exponential":
 		if k.MetadataRetryBackoff == 0 {
 			k.MetadataRetryBackoff = tgConf.Duration(250 * time.Millisecond)

plugins/common/opcua/client.go

@@ -2,6 +2,7 @@ package opcua
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log" //nolint:depguard // just for debug
 	"net/url"
@@ -67,12 +68,12 @@ func (o *OpcUAClientConfig) validateOptionalFields() error {
 
 func (o *OpcUAClientConfig) validateEndpoint() error {
 	if o.Endpoint == "" {
-		return fmt.Errorf("endpoint url is empty")
+		return errors.New("endpoint url is empty")
 	}
 
 	_, err := url.Parse(o.Endpoint)
 	if err != nil {
-		return fmt.Errorf("endpoint url is invalid")
+		return errors.New("endpoint url is invalid")
 	}
 
 	switch o.SecurityPolicy {
@@ -224,7 +225,7 @@ func (o *OpcUAClient) Disconnect(ctx context.Context) error {
 		o.Client = nil
 		return err
 	default:
-		return fmt.Errorf("invalid controller")
+		return errors.New("invalid controller")
 	}
 }
 

plugins/common/opcua/input/input_client.go

@@ -95,7 +95,7 @@ type InputClientConfig struct {
 
 func (o *InputClientConfig) Validate() error {
 	if o.MetricName == "" {
-		return fmt.Errorf("metric name is empty")
+		return errors.New("metric name is empty")
 	}
 
 	err := choice.Check(string(o.Timestamp), []string{"", "gather", "server", "source"})
@@ -278,11 +278,11 @@ func validateNodeToAdd(existing map[metricParts]struct{}, nmm *NodeMetricMapping
 	}
 
 	if len(nmm.Tag.Namespace) == 0 {
-		return fmt.Errorf("empty node namespace not allowed")
+		return errors.New("empty node namespace not allowed")
 	}
 
 	if len(nmm.Tag.Identifier) == 0 {
-		return fmt.Errorf("empty node identifier not allowed")
+		return errors.New("empty node identifier not allowed")
 	}
 
 	mp := newMP(nmm)

plugins/common/opcua/input/input_client_test.go

@@ -2,7 +2,6 @@ package input
 
 import (
 	"errors"
-	"fmt"
 	"testing"
 	"time"
 
@@ -39,9 +38,9 @@ func TestTagsSliceToMap_dupeKey(t *testing.T) {
 
 func TestTagsSliceToMap_empty(t *testing.T) {
 	_, err := tagsSliceToMap([][]string{{"foo", ""}})
-	require.Equal(t, fmt.Errorf("tag 1 has empty value"), err)
+	require.Equal(t, errors.New("tag 1 has empty value"), err)
 	_, err = tagsSliceToMap([][]string{{"", "bar"}})
-	require.Equal(t, fmt.Errorf("tag 1 has empty name"), err)
+	require.Equal(t, errors.New("tag 1 has empty name"), err)
 }
 
 func TestValidateOPCTags(t *testing.T) {
@@ -91,7 +90,7 @@ func TestValidateOPCTags(t *testing.T) {
 					},
 				},
 			},
-			fmt.Errorf("tag 1 has empty value"),
+			errors.New("tag 1 has empty value"),
 		},
 		{
 			"empty tag name not allowed",
@@ -105,7 +104,7 @@ func TestValidateOPCTags(t *testing.T) {
 					},
 				},
 			},
-			fmt.Errorf("tag 1 has empty name"),
+			errors.New("tag 1 has empty name"),
 		},
 		{
 			"different metric tag names",
@@ -370,7 +369,7 @@ func TestValidateNodeToAdd(t *testing.T) {
 				}, map[string]string{})
 				return nmm
 			}(),
-			err: fmt.Errorf("empty node namespace not allowed"),
+			err: errors.New("empty node namespace not allowed"),
 		},
 		{
 			name:     "empty identifier type not allowed",

plugins/common/opcua/opcua_util.go

@@ -8,6 +8,7 @@ import (
 	"crypto/x509"
 	"crypto/x509/pkix"
 	"encoding/pem"
+	"errors"
 	"fmt"
 	"math/big"
 	"net"
@@ -34,7 +35,7 @@ func generateCert(host string, rsaBits int, certFile, keyFile string, dur time.D
 	dir, _ := newTempDir()
 
 	if len(host) == 0 {
-		return "", "", fmt.Errorf("missing required host parameter")
+		return "", "", errors.New("missing required host parameter")
 	}
 	if rsaBits == 0 {
 		rsaBits = 2048
@@ -181,7 +182,7 @@ func (o *OpcUAClient) generateClientOpts(endpoints []*ua.EndpointDescription) ([
 		} else {
 			pk, ok := c.PrivateKey.(*rsa.PrivateKey)
 			if !ok {
-				return nil, fmt.Errorf("invalid private key")
+				return nil, errors.New("invalid private key")
 			}
 			cert = c.Certificate[0]
 			opts = append(opts, opcua.PrivateKey(pk), opcua.Certificate(cert))
@@ -276,7 +277,7 @@ func (o *OpcUAClient) generateClientOpts(endpoints []*ua.EndpointDescription) ([
 	}
 
 	if serverEndpoint == nil { // Didn't find an endpoint with matching policy and mode.
-		return nil, fmt.Errorf("unable to find suitable server endpoint with selected sec-policy and sec-mode")
+		return nil, errors.New("unable to find suitable server endpoint with selected sec-policy and sec-mode")
 	}
 
 	secPolicy = serverEndpoint.SecurityPolicyURI

plugins/common/shim/goshim.go

@@ -2,6 +2,7 @@ package shim
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -90,7 +91,7 @@ func (s *Shim) Run(pollInterval time.Duration) error {
 			return fmt.Errorf("RunOutput error: %w", err)
 		}
 	} else {
-		return fmt.Errorf("nothing to run")
+		return errors.New("nothing to run")
 	}
 
 	return nil

plugins/common/starlark/field_dict.go

@@ -2,7 +2,6 @@ package starlark
 
 import (
 	"errors"
-	"fmt"
 	"reflect"
 	"strings"
 
@@ -97,7 +96,7 @@ func (d FieldDict) Get(key starlark.Value) (v starlark.Value, found bool, err er
 // using x[k]=v syntax, like a dictionary.
 func (d FieldDict) SetKey(k, v starlark.Value) error {
 	if d.fieldIterCount > 0 {
-		return fmt.Errorf("cannot insert during iteration")
+		return errors.New("cannot insert during iteration")
 	}
 
 	key, ok := k.(starlark.String)
@@ -131,7 +130,7 @@ func (d FieldDict) Items() []starlark.Tuple {
 
 func (d FieldDict) Clear() error {
 	if d.fieldIterCount > 0 {
-		return fmt.Errorf("cannot delete during iteration")
+		return errors.New("cannot delete during iteration")
 	}
 
 	keys := make([]string, 0, len(d.metric.FieldList()))
@@ -147,7 +146,7 @@ func (d FieldDict) Clear() error {
 
 func (d FieldDict) PopItem() (starlark.Value, error) {
 	if d.fieldIterCount > 0 {
-		return nil, fmt.Errorf("cannot delete during iteration")
+		return nil, errors.New("cannot delete during iteration")
 	}
 
 	if len(d.metric.FieldList()) == 0 {
@@ -163,7 +162,7 @@ func (d FieldDict) PopItem() (starlark.Value, error) {
 	sk := starlark.String(k)
 	sv, err := asStarlarkValue(v)
 	if err != nil {
-		return nil, fmt.Errorf("could not convert to starlark value")
+		return nil, errors.New("could not convert to starlark value")
 	}
 
 	return starlark.Tuple{sk, sv}, nil
@@ -171,7 +170,7 @@ func (d FieldDict) PopItem() (starlark.Value, error) {
 
 func (d FieldDict) Delete(k starlark.Value) (v starlark.Value, found bool, err error) {
 	if d.fieldIterCount > 0 {
-		return nil, false, fmt.Errorf("cannot delete during iteration")
+		return nil, false, errors.New("cannot delete during iteration")
 	}
 
 	if key, ok := k.(starlark.String); ok {

plugins/common/starlark/metric.go

@@ -97,7 +97,7 @@ func (m *Metric) Attr(name string) (starlark.Value, error) {
 // SetField implements the starlark.HasSetField interface.
 func (m *Metric) SetField(name string, value starlark.Value) error {
 	if m.frozen {
-		return fmt.Errorf("cannot modify frozen metric")
+		return errors.New("cannot modify frozen metric")
 	}
 
 	switch name {

plugins/common/starlark/tag_dict.go

@@ -2,7 +2,6 @@ package starlark
 
 import (
 	"errors"
-	"fmt"
 	"strings"
 
 	"go.starlark.net/starlark"
@@ -91,7 +90,7 @@ func (d TagDict) Get(key starlark.Value) (v starlark.Value, found bool, err erro
 // using x[k]=v syntax, like a dictionary.
 func (d TagDict) SetKey(k, v starlark.Value) error {
 	if d.tagIterCount > 0 {
-		return fmt.Errorf("cannot insert during iteration")
+		return errors.New("cannot insert during iteration")
 	}
 
 	key, ok := k.(starlark.String)
@@ -122,7 +121,7 @@ func (d TagDict) Items() []starlark.Tuple {
 
 func (d TagDict) Clear() error {
 	if d.tagIterCount > 0 {
-		return fmt.Errorf("cannot delete during iteration")
+		return errors.New("cannot delete during iteration")
 	}
 
 	keys := make([]string, 0, len(d.metric.TagList()))
@@ -138,7 +137,7 @@ func (d TagDict) Clear() error {
 
 func (d TagDict) PopItem() (v starlark.Value, err error) {
 	if d.tagIterCount > 0 {
-		return nil, fmt.Errorf("cannot delete during iteration")
+		return nil, errors.New("cannot delete during iteration")
 	}
 
 	for _, tag := range d.metric.TagList() {
@@ -157,7 +156,7 @@ func (d TagDict) PopItem() (v starlark.Value, err error) {
 
 func (d TagDict) Delete(k starlark.Value) (v starlark.Value, found bool, err error) {
 	if d.tagIterCount > 0 {
-		return nil, false, fmt.Errorf("cannot delete during iteration")
+		return nil, false, errors.New("cannot delete during iteration")
 	}
 
 	if key, ok := k.(starlark.String); ok {

plugins/common/tls/config.go

@@ -10,8 +10,9 @@ import (
 	"os"
 	"strings"
 
-	"github.com/influxdata/telegraf/internal/choice"
 	"github.com/youmark/pkcs8"
+
+	"github.com/influxdata/telegraf/internal/choice"
 )
 
 const TLSMinVersionDefault = tls.VersionTLS12
@@ -254,7 +255,7 @@ func loadCertificate(config *tls.Config, certFile, keyFile, privateKeyPassphrase
 	} else if keyPEMBlock.Headers["Proc-Type"] == "4,ENCRYPTED" {
 		// The key is an encrypted private key with the DEK-Info header.
 		// This is currently unsupported because of the deprecation of x509.IsEncryptedPEMBlock and x509.DecryptPEMBlock.
-		return fmt.Errorf("password-protected keys in pkcs#1 format are not supported")
+		return errors.New("password-protected keys in pkcs#1 format are not supported")
 	} else {
 		cert, err = tls.X509KeyPair(certBytes, keyBytes)
 		if err != nil {

plugins/inputs/azure_monitor/azure_monitor_test.go

@@ -3,16 +3,18 @@ package azure_monitor
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"testing"
 
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/monitor/armmonitor"
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources"
-	"github.com/influxdata/telegraf/testutil"
 	"github.com/influxdata/toml"
 	receiver "github.com/logzio/azure-monitor-metrics-receiver"
 	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/testutil"
 )
 
 type mockAzureClientsManager struct{}
@@ -98,7 +100,7 @@ func (marc *mockAzureResourcesClient) ListByResourceGroup(
 		return responses, nil
 	}
 
-	return nil, fmt.Errorf("resource group was not found")
+	return nil, errors.New("resource group was not found")
 }
 
 func (mamdc *mockAzureMetricDefinitionsClient) List(
@@ -139,7 +141,7 @@ func (mamdc *mockAzureMetricDefinitionsClient) List(
 		}, nil
 	}
 
-	return armmonitor.MetricDefinitionsClientListResponse{}, fmt.Errorf("resource ID was not found")
+	return armmonitor.MetricDefinitionsClientListResponse{}, errors.New("resource ID was not found")
 }
 
 func (mamc *mockAzureMetricsClient) List(
@@ -192,7 +194,7 @@ func (mamc *mockAzureMetricsClient) List(
 		}, nil
 	}
 
-	return armmonitor.MetricsClientListResponse{}, fmt.Errorf("resource ID was not found")
+	return armmonitor.MetricsClientListResponse{}, errors.New("resource ID was not found")
 }
 
 func TestInit_ResourceTargetsOnly(t *testing.T) {

plugins/inputs/cisco_telemetry_mdt/cisco_telemetry_mdt.go

@@ -304,7 +304,7 @@ func (c *CiscoTelemetryMDT) handleTCPClient(conn net.Conn) error {
 			if err != nil {
 				return err
 			}
-			return fmt.Errorf("TCP dialout premature EOF")
+			return errors.New("TCP dialout premature EOF")
 		}
 
 		c.handleTelemetry(payload.Bytes())
@@ -752,7 +752,7 @@ func (c *CiscoTelemetryMDT) parseContentField(grouper *metric.SeriesGrouper, fie
 	if len(rn) > 0 {
 		tags[prefix] = rn
 	} else if !dn { // Check for distinguished name being present
-		c.acc.AddError(fmt.Errorf("NX-OS decoding failed: missing dn field"))
+		c.acc.AddError(errors.New("NX-OS decoding failed: missing dn field"))
 		return
 	}
 

plugins/inputs/cloud_pubsub/cloud_pubsub.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	_ "embed"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"sync"
 	"time"
@@ -309,11 +310,11 @@ func (ps *PubSub) getGCPSubscription(subID string) (subscription, error) {
 
 func (ps *PubSub) Init() error {
 	if ps.Subscription == "" {
-		return fmt.Errorf(`"subscription" is required`)
+		return errors.New(`"subscription" is required`)
 	}
 
 	if ps.Project == "" {
-		return fmt.Errorf(`"project" is required`)
+		return errors.New(`"project" is required`)
 	}
 
 	switch ps.ContentEncoding {

plugins/inputs/cloud_pubsub_push/cloud_pubsub_push_test.go

@@ -4,7 +4,7 @@ package cloud_pubsub_push
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -256,7 +256,7 @@ func (*testOutput) SampleConfig() string {
 
 func (t *testOutput) Write(_ []telegraf.Metric) error {
 	if t.failWrite {
-		return fmt.Errorf("failed write")
+		return errors.New("failed write")
 	}
 	return nil
 }

plugins/inputs/conntrack/conntrack.go

@@ -5,6 +5,7 @@ package conntrack
 
 import (
 	_ "embed"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -110,7 +111,7 @@ func (c *Conntrack) Gather(acc telegraf.Accumulator) error {
 		}
 
 		if len(stats) == 0 {
-			acc.AddError(fmt.Errorf("conntrack input failed to collect stats"))
+			acc.AddError(errors.New("conntrack input failed to collect stats"))
 		}
 
 		cpuTag := "all"
@@ -146,8 +147,7 @@ func (c *Conntrack) Gather(acc telegraf.Accumulator) error {
 	}
 
 	if len(fields) == 0 {
-		return fmt.Errorf("Conntrack input failed to collect metrics. " +
+		return errors.New("conntrack input failed to collect metrics, make sure that the kernel module is loaded")
-			"Is the conntrack kernel module loaded?")
 	}
 
 	acc.AddFields(inputName, fields, nil)

plugins/inputs/conntrack/conntrack_test.go

@@ -31,8 +31,7 @@ func TestNoFilesFound(t *testing.T) {
 	acc := &testutil.Accumulator{}
 	err := c.Gather(acc)
 
-	require.EqualError(t, err, "Conntrack input failed to collect metrics. "+
+	require.EqualError(t, err, "conntrack input failed to collect metrics, make sure that the kernel module is loaded")
-		"Is the conntrack kernel module loaded?")
 }
 
 func TestDefaultsUsed(t *testing.T) {

plugins/inputs/cpu/cpu.go

@@ -3,6 +3,7 @@ package cpu
 
 import (
 	_ "embed"
+	"errors"
 	"fmt"
 	"time"
 
@@ -92,7 +93,7 @@ func (c *CPUStats) Gather(acc telegraf.Accumulator) error {
 		totalDelta := total - lastTotal
 
 		if totalDelta < 0 {
-			err = fmt.Errorf("current total CPU time is less than previous total CPU time")
+			err = errors.New("current total CPU time is less than previous total CPU time")
 			break
 		}
 

plugins/inputs/dmcache/dmcache_linux.go

@@ -3,12 +3,11 @@
 package dmcache
 
 import (
+	"errors"
 	"os/exec"
 	"strconv"
 	"strings"
 
-	"errors"
-
 	"github.com/influxdata/telegraf"
 )
 

plugins/inputs/dpdk/dpdk_test.go

@@ -4,6 +4,7 @@ package dpdk
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"math/rand"
 	"net"
@@ -524,7 +525,7 @@ func Test_getCommandsAndParamsCombinations(t *testing.T) {
 	t.Run("when ethdev commands are enabled but params fetching command returns error then error should be logged in accumulator", func(t *testing.T) {
 		mockConn, dpdk, mockAcc := prepareEnvironment()
 		defer mockConn.AssertExpectations(t)
-		simulateResponse(mockConn, `{notAJson}`, fmt.Errorf("some error"))
+		simulateResponse(mockConn, `{notAJson}`, errors.New("some error"))
 
 		dpdk.DeviceTypes = []string{"ethdev"}
 		dpdk.ethdevCommands = []string{"/ethdev/stats", "/ethdev/xstats"}

plugins/inputs/elasticsearch_query/elasticsearch_query.go

@@ -4,6 +4,7 @@ package elasticsearch_query
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net/http"
 	"strconv"
@@ -63,7 +64,7 @@ func (*ElasticsearchQuery) SampleConfig() string {
 // Init the plugin.
 func (e *ElasticsearchQuery) Init() error {
 	if e.URLs == nil {
-		return fmt.Errorf("elasticsearch urls is not defined")
+		return errors.New("elasticsearch urls is not defined")
 	}
 
 	err := e.connectToES()
@@ -77,10 +78,10 @@ func (e *ElasticsearchQuery) Init() error {
 
 	for i, agg := range e.Aggregations {
 		if agg.MeasurementName == "" {
-			return fmt.Errorf("field 'measurement_name' is not set")
+			return errors.New("field 'measurement_name' is not set")
 		}
 		if agg.DateField == "" {
-			return fmt.Errorf("field 'date_field' is not set")
+			return errors.New("field 'date_field' is not set")
 		}
 		err = e.initAggregation(ctx, agg, i)
 		if err != nil {
@@ -160,7 +161,7 @@ func (e *ElasticsearchQuery) connectToES() error {
 
 	// quit if ES version is not supported
 	if len(esVersionSplit) == 0 {
-		return fmt.Errorf("elasticsearch version check failed")
+		return errors.New("elasticsearch version check failed")
 	}
 
 	i, err := strconv.Atoi(esVersionSplit[0])

plugins/inputs/example/example.go

@@ -4,6 +4,7 @@ package example
 import (
 	"crypto/rand"
 	_ "embed"
+	"errors"
 	"fmt"
 	"math"
 	"math/big"
@@ -51,7 +52,7 @@ func (*Example) SampleConfig() string {
 func (m *Example) Init() error {
 	// Check your options according to your requirements
 	if m.DeviceName == "" {
-		return fmt.Errorf("device name cannot be empty")
+		return errors.New("device name cannot be empty")
 	}
 
 	// Set your defaults.
@@ -85,7 +86,7 @@ func (m *Example) Init() error {
 func (m *Example) Gather(acc telegraf.Accumulator) error {
 	// Imagine some completely arbitrary error occurring here
 	if m.NumberFields > 10 {
-		return fmt.Errorf("too many fields")
+		return errors.New("too many fields")
 	}
 
 	// For illustration, we gather three metrics in one go
@@ -95,7 +96,7 @@ func (m *Example) Gather(acc telegraf.Accumulator) error {
 		// all later metrics. Simply accumulate errors in this case
 		// and ignore the metric.
 		if m.EnableRandomVariable && m.DeviceName == "flappy" && run > 1 {
-			acc.AddError(fmt.Errorf("too many runs for random values"))
+			acc.AddError(errors.New("too many runs for random values"))
 			continue
 		}
 

plugins/inputs/exec/exec_test.go

@@ -7,7 +7,7 @@ package exec
 
 import (
 	"bytes"
-	"fmt"
+	"errors"
 	"runtime"
 	"testing"
 	"time"
@@ -133,7 +133,7 @@ func TestCommandError(t *testing.T) {
 	require.NoError(t, parser.Init())
 	e := &Exec{
 		Log:      testutil.Logger{},
-		runner:   newRunnerMock(nil, nil, fmt.Errorf("exit status code 1")),
+		runner:   newRunnerMock(nil, nil, errors.New("exit status code 1")),
 		Commands: []string{"badcommand"},
 		parser:   parser,
 	}

plugins/inputs/fibaro/fibaro.go

@@ -3,6 +3,7 @@ package fibaro
 
 import (
 	_ "embed"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -71,7 +72,7 @@ func (f *Fibaro) Init() error {
 		f.DeviceType = "HC2"
 	case "HC2", "HC3":
 	default:
-		return fmt.Errorf("invalid option for device type")
+		return errors.New("invalid option for device type")
 	}
 
 	return nil

plugins/inputs/fireboard/fireboard.go

@@ -4,6 +4,7 @@ package fireboard
 import (
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"strconv"
@@ -57,7 +58,7 @@ func (*Fireboard) SampleConfig() string {
 // Init the things
 func (r *Fireboard) Init() error {
 	if len(r.AuthToken) == 0 {
-		return fmt.Errorf("you must specify an authToken")
+		return errors.New("you must specify an authToken")
 	}
 	if len(r.URL) == 0 {
 		r.URL = "https://fireboard.io/api/v1/devices.json"

plugins/inputs/fluentd/fluentd.go

@@ -4,6 +4,7 @@ package fluentd
 import (
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -63,7 +64,7 @@ func parse(data []byte) (datapointArray []pluginData, err error) {
 	var endpointData endpointInfo
 
 	if err = json.Unmarshal(data, &endpointData); err != nil {
-		err = fmt.Errorf("processing JSON structure")
+		err = errors.New("processing JSON structure")
 		return nil, err
 	}
 
@@ -110,13 +111,13 @@ func (h *Fluentd) Gather(acc telegraf.Accumulator) error {
 	}
 
 	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("http status ok not met")
+		return errors.New("http status ok not met")
 	}
 
 	dataPoints, err := parse(body)
 
 	if err != nil {
-		return fmt.Errorf("problem with parsing")
+		return errors.New("problem with parsing")
 	}
 
 	// Go through all plugins one by one

plugins/inputs/gnmi/gnmi.go

@@ -4,6 +4,7 @@ package gnmi
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"strings"
 	"sync"
@@ -98,7 +99,7 @@ func (*GNMI) SampleConfig() string {
 func (c *GNMI) Init() error {
 	// Check options
 	if time.Duration(c.Redial) <= 0 {
-		return fmt.Errorf("redial duration must be positive")
+		return errors.New("redial duration must be positive")
 	}
 
 	// Check vendor_specific options configured by user
@@ -144,7 +145,7 @@ func (c *GNMI) Init() error {
 			return err
 		}
 		if c.TagSubscriptions[idx].TagOnly != c.TagSubscriptions[0].TagOnly {
-			return fmt.Errorf("do not mix legacy tag_only subscriptions and tag subscriptions")
+			return errors.New("do not mix legacy tag_only subscriptions and tag subscriptions")
 		}
 		switch c.TagSubscriptions[idx].Match {
 		case "":
@@ -157,7 +158,7 @@ func (c *GNMI) Init() error {
 		case "name":
 		case "elements":
 			if len(c.TagSubscriptions[idx].Elements) == 0 {
-				return fmt.Errorf("tag_subscription must have at least one element")
+				return errors.New("tag_subscription must have at least one element")
 			}
 		default:
 			return fmt.Errorf("unknown match type %q for tag-subscription %q", c.TagSubscriptions[idx].Match, c.TagSubscriptions[idx].Name)

plugins/inputs/gnmi/gnmi_test.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"net"
 	"os"
 	"path/filepath"
@@ -75,7 +74,7 @@ func TestWaitError(t *testing.T) {
 	grpcServer := grpc.NewServer()
 	gnmiServer := &MockServer{
 		SubscribeF: func(server gnmiLib.GNMI_SubscribeServer) error {
-			return fmt.Errorf("testerror")
+			return errors.New("testerror")
 		},
 		GRPCServer: grpcServer,
 	}

plugins/inputs/google_cloud_storage/google_cloud_storage.go

@@ -238,7 +238,7 @@ func (gcs *GCS) setUpDefaultClient() error {
 
 func (gcs *GCS) setOffset() error {
 	if gcs.client == nil {
-		return fmt.Errorf("CANNOT SET OFFSET IF CLIENT IS NOT SET")
+		return errors.New("CANNOT SET OFFSET IF CLIENT IS NOT SET")
 	}
 
 	if gcs.OffsetKey != "" {

plugins/inputs/haproxy/haproxy.go

@@ -204,7 +204,7 @@ func (h *haproxy) importCsvResult(r io.Reader, acc telegraf.Accumulator, host st
 		return err
 	}
 	if len(headers[0]) <= 2 || headers[0][:2] != "# " {
-		return fmt.Errorf("did not receive standard haproxy headers")
+		return errors.New("did not receive standard haproxy headers")
 	}
 	headers[0] = headers[0][2:]
 

plugins/inputs/http/http.go

@@ -5,6 +5,7 @@ package http
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -54,14 +55,14 @@ func (*HTTP) SampleConfig() string {
 func (h *HTTP) Init() error {
 	// For backward compatibility
 	if h.TokenFile != "" && h.BearerToken != "" && h.TokenFile != h.BearerToken {
-		return fmt.Errorf("conflicting settings for 'bearer_token' and 'token_file'")
+		return errors.New("conflicting settings for 'bearer_token' and 'token_file'")
 	} else if h.TokenFile == "" && h.BearerToken != "" {
 		h.TokenFile = h.BearerToken
 	}
 
 	// We cannot use multiple sources for tokens
 	if h.TokenFile != "" && !h.Token.Empty() {
-		return fmt.Errorf("either use 'token_file' or 'token' not both")
+		return errors.New("either use 'token_file' or 'token' not both")
 	}
 
 	// Create the client

plugins/inputs/hugepages/hugepages.go

@@ -6,6 +6,7 @@ package hugepages
 import (
 	"bytes"
 	_ "embed"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -258,7 +259,7 @@ func (h *Hugepages) parseHugepagesConfig() error {
 
 	// empty array
 	if len(h.Types) == 0 {
-		return fmt.Errorf("plugin was configured with nothing to read")
+		return errors.New("plugin was configured with nothing to read")
 	}
 
 	for _, hugepagesType := range h.Types {

plugins/inputs/infiniband/infiniband_linux.go

@@ -3,10 +3,11 @@
 package infiniband
 
 import (
-	"fmt"
+	"errors"
 	"strconv"
 
 	"github.com/Mellanox/rdmamap"
+
 	"github.com/influxdata/telegraf"
 )
 
@@ -15,7 +16,7 @@ func (i *Infiniband) Gather(acc telegraf.Accumulator) error {
 	rdmaDevices := rdmamap.GetRdmaDeviceList()
 
 	if len(rdmaDevices) == 0 {
-		return fmt.Errorf("no InfiniBand devices found in /sys/class/infiniband/")
+		return errors.New("no InfiniBand devices found in /sys/class/infiniband/")
 	}
 
 	for _, dev := range rdmaDevices {

plugins/inputs/intel_baseband/intel_baseband.go

@@ -63,12 +63,12 @@ func (b *Baseband) SampleConfig() string {
 // Init performs one time setup of the plugin
 func (b *Baseband) Init() error {
 	if b.SocketAccessTimeout < 0 {
-		return fmt.Errorf("socket_access_timeout should be positive number or equal to 0 (to disable timeouts)")
+		return errors.New("socket_access_timeout should be positive number or equal to 0 (to disable timeouts)")
 	}
 
 	waitForTelemetryDuration := time.Duration(b.WaitForTelemetryTimeout)
 	if waitForTelemetryDuration < 50*time.Millisecond {
-		return fmt.Errorf("wait_for_telemetry_timeout should be equal or larger than 50ms")
+		return errors.New("wait_for_telemetry_timeout should be equal or larger than 50ms")
 	}
 
 	// Filling default values

plugins/inputs/intel_baseband/log_connector.go

@@ -144,13 +144,13 @@ func (lc *logConnector) readNumVFs() error {
 		return nil
 	}
 
-	return fmt.Errorf("numVFs data wasn't found in the log file")
+	return errors.New("numVFs data wasn't found in the log file")
 }
 
 // Find a line which contains a substring in the log file
 func (lc *logConnector) getSubstringLine(offsetLine int, substring string) (int, string, error) {
 	if len(substring) == 0 {
-		return 0, "", fmt.Errorf("substring is empty")
+		return 0, "", errors.New("substring is empty")
 	}
 
 	for i := offsetLine; i < len(lc.lines); i++ {
@@ -208,13 +208,13 @@ func (lc *logConnector) getMetric(offsetLine int, name string) (int, *logMetric,
 
 	dataRaw := strings.TrimSpace(infoData[1])
 	if len(dataRaw) == 0 {
-		return offsetLine, nil, fmt.Errorf("the content of the log file is incorrect, metric's data is incorrect")
+		return offsetLine, nil, errors.New("the content of the log file is incorrect, metric's data is incorrect")
 	}
 
 	data := strings.Split(dataRaw, " ")
 	for i := range data {
 		if len(data[i]) == 0 {
-			return offsetLine, nil, fmt.Errorf("the content of the log file is incorrect, metric's data is empty")
+			return offsetLine, nil, errors.New("the content of the log file is incorrect, metric's data is empty")
 		}
 	}
 	return i + 2, &logMetric{operationName: operationName, data: data}, nil
@@ -224,18 +224,18 @@ func (lc *logConnector) getMetric(offsetLine int, name string) (int, *logMetric,
 func (lc *logConnector) parseNumVFs(s string) (int, error) {
 	i := strings.LastIndex(s, deviceStatusStartPrefix)
 	if i == -1 {
-		return 0, fmt.Errorf("couldn't find device status prefix in line")
+		return 0, errors.New("couldn't find device status prefix in line")
 	}
 
 	j := strings.Index(s[i:], deviceStatusEndPrefix)
 	if j == -1 {
-		return 0, fmt.Errorf("couldn't find device end prefix in line")
+		return 0, errors.New("couldn't find device end prefix in line")
 	}
 
 	startIndex := i + len(deviceStatusStartPrefix) + 1
 	endIndex := i + j - 1
 	if len(s) < startIndex || startIndex >= endIndex {
-		return 0, fmt.Errorf("incorrect format of the line")
+		return 0, errors.New("incorrect format of the line")
 	}
 
 	return strconv.Atoi(s[startIndex:endIndex])

plugins/inputs/intel_baseband/sock_connector.go

@@ -3,6 +3,7 @@
 package intel_baseband
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"time"
@@ -50,7 +51,7 @@ func (sc *socketConnector) sendCommandToSocket(c byte) error {
 
 func (sc *socketConnector) writeCommandToSocket(c byte) error {
 	if sc.connection == nil {
-		return fmt.Errorf("connection had not been established before")
+		return errors.New("connection had not been established before")
 	}
 	var err error
 	if sc.accessTimeout == 0 {

plugins/inputs/intel_baseband/sock_connector_test.go

@@ -3,7 +3,7 @@
 package intel_baseband
 
 import (
-	"fmt"
+	"errors"
 	"testing"
 	"time"
 
@@ -36,7 +36,7 @@ func TestWriteCommandToSocket(t *testing.T) {
 
 	t.Run("handling timeout setting error", func(t *testing.T) {
 		conn := &mocks.Conn{}
-		conn.On("SetWriteDeadline", mock.Anything).Return(fmt.Errorf("deadline set error"))
+		conn.On("SetWriteDeadline", mock.Anything).Return(errors.New("deadline set error"))
 		connector := socketConnector{connection: conn}
 
 		err := connector.writeCommandToSocket(0x00)
@@ -50,7 +50,7 @@ func TestWriteCommandToSocket(t *testing.T) {
 	t.Run("handling net.Write error", func(t *testing.T) {
 		var unsupportedCommand byte = 0x99
 		conn := &mocks.Conn{}
-		conn.On("Write", []byte{unsupportedCommand, 0x00}).Return(0, fmt.Errorf("unsupported command"))
+		conn.On("Write", []byte{unsupportedCommand, 0x00}).Return(0, errors.New("unsupported command"))
 		conn.On("SetWriteDeadline", mock.Anything).Return(nil)
 		connector := socketConnector{connection: conn}
 

plugins/inputs/intel_baseband/utils.go

@@ -74,7 +74,7 @@ func logMetricDataToValue(data string) (int, error) {
 	}
 
 	if value < 0 {
-		return 0, fmt.Errorf("metric can't be negative")
+		return 0, errors.New("metric can't be negative")
 	}
 
 	return value, nil

plugins/inputs/intel_baseband/utils_test.go

@@ -4,7 +4,6 @@ package intel_baseband
 
 import (
 	"errors"
-	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -164,8 +163,8 @@ func TestLogMetricDataToValue(t *testing.T) {
 		{"00", 0, nil},
 		{"5", 5, nil},
 		{"-010", 0, errors.New("metric can't be negative")},
-		{"", 0, fmt.Errorf("invalid syntax")},
+		{"", 0, errors.New("invalid syntax")},
-		{"0Nax10", 0, fmt.Errorf("invalid syntax")},
+		{"0Nax10", 0, errors.New("invalid syntax")},
 	}
 
 	t.Run("check correct returned values", func(t *testing.T) {

plugins/inputs/intel_dlb/intel_dlb.go

@@ -7,6 +7,7 @@ package intel_dlb
 import (
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -308,7 +309,7 @@ func (d *IntelDLB) setInitMessageLength() error {
 		return d.closeSocketAndThrowError("custom", fmt.Errorf("failed to read InitMessage from socket: %w", err))
 	}
 	if messageLength > len(buf) {
-		return d.closeSocketAndThrowError("custom", fmt.Errorf("socket reply length is bigger than default buffer length"))
+		return d.closeSocketAndThrowError("custom", errors.New("socket reply length is bigger than default buffer length"))
 	}
 
 	var initMsg initMessage
@@ -339,7 +340,7 @@ func (d *IntelDLB) writeReadSocketMessage(messageToWrite string) (int, []byte, e
 	}
 
 	if replyMsgLen == 0 {
-		return 0, nil, d.closeSocketAndThrowError("message", fmt.Errorf("message length is empty"))
+		return 0, nil, d.closeSocketAndThrowError("message", errors.New("message length is empty"))
 	}
 
 	return replyMsgLen, socketReply, nil
@@ -347,13 +348,13 @@ func (d *IntelDLB) writeReadSocketMessage(messageToWrite string) (int, []byte, e
 
 func (d *IntelDLB) parseJSON(replyMsgLen int, socketReply []byte, parsedDeviceInfo interface{}) error {
 	if len(socketReply) == 0 {
-		return d.closeSocketAndThrowError("json", fmt.Errorf("socket reply is empty"))
+		return d.closeSocketAndThrowError("json", errors.New("socket reply is empty"))
 	}
 	if replyMsgLen > len(socketReply) {
-		return d.closeSocketAndThrowError("json", fmt.Errorf("socket reply length is bigger than it should be"))
+		return d.closeSocketAndThrowError("json", errors.New("socket reply length is bigger than it should be"))
 	}
 	if replyMsgLen == 0 {
-		return d.closeSocketAndThrowError("json", fmt.Errorf("socket reply message is empty"))
+		return d.closeSocketAndThrowError("json", errors.New("socket reply message is empty"))
 	}
 	// Assign reply to variable, e.g.:  {"/eventdev/dev_list": [0, 1]}
 	jsonDeviceIndexes := socketReply[:replyMsgLen]
@@ -405,7 +406,7 @@ func (d *IntelDLB) closeSocketAndThrowError(errType string, err error) error {
 
 func (d *IntelDLB) checkAndAddDLBDevice() error {
 	if d.rasReader == nil {
-		return fmt.Errorf("rasreader was not initialized")
+		return errors.New("rasreader was not initialized")
 	}
 	filePaths, err := d.rasReader.gatherPaths(dlbDeviceIDLocation)
 	if err != nil {

plugins/inputs/intel_dlb/intel_dlb_test.go

@@ -5,6 +5,7 @@ package intel_dlb
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -132,7 +133,7 @@ func TestDLB_Init(t *testing.T) {
 			Log:        testutil.Logger{},
 		}
 		const emptyPath = ""
-		fileMock.On("gatherPaths", mock.Anything).Return([]string{emptyPath}, fmt.Errorf("can't find device folder")).Once()
+		fileMock.On("gatherPaths", mock.Anything).Return([]string{emptyPath}, errors.New("can't find device folder")).Once()
 		err := dlb.Init()
 		require.Error(t, err)
 		require.Contains(t, err.Error(), "can't find device folder")
@@ -147,7 +148,7 @@ func TestDLB_writeReadSocketMessage(t *testing.T) {
 			connection: mockConn,
 			Log:        testutil.Logger{},
 		}
-		mockConn.On("Write", []byte{}).Return(0, fmt.Errorf("write error")).Once().
+		mockConn.On("Write", []byte{}).Return(0, errors.New("write error")).Once().
 			On("Close").Return(nil).Once()
 
 		_, _, err := dlb.writeReadSocketMessage("")
@@ -163,7 +164,7 @@ func TestDLB_writeReadSocketMessage(t *testing.T) {
 			connection: mockConn,
 			Log:        testutil.Logger{},
 		}
-		simulateResponse(mockConn, "", fmt.Errorf("read error"))
+		simulateResponse(mockConn, "", errors.New("read error"))
 
 		_, _, err := dlb.writeReadSocketMessage("")
 
@@ -584,7 +585,7 @@ func TestDLB_processCommandResult(t *testing.T) {
 		mockConn.On("Read", mock.Anything).Run(func(arg mock.Arguments) {
 			elem := arg.Get(0).([]byte)
 			copy(elem, response)
-		}).Return(len(response), fmt.Errorf("read error")).Once()
+		}).Return(len(response), errors.New("read error")).Once()
 		mockConn.On("Close").Return(nil)
 
 		err := dlb.gatherMetricsFromSocket(mockAcc)
@@ -652,7 +653,7 @@ func Test_checkAndAddDLBDevice(t *testing.T) {
 			rasReader: fileMock,
 			Log:       testutil.Logger{},
 		}
-		fileMock.On("gatherPaths", mock.AnythingOfType("string")).Return(nil, fmt.Errorf("can't find device folder")).Once()
+		fileMock.On("gatherPaths", mock.AnythingOfType("string")).Return(nil, errors.New("can't find device folder")).Once()
 
 		err := dlb.checkAndAddDLBDevice()
 
@@ -670,7 +671,7 @@ func Test_checkAndAddDLBDevice(t *testing.T) {
 		}
 		const globPath = "/sys/devices/pci0000:00/0000:00:00.0/device"
 		fileMock.On("gatherPaths", mock.Anything).Return([]string{globPath}, nil).Once().
-			On("readFromFile", mock.Anything).Return([]byte("0x2710"), fmt.Errorf("read error while getting device folders")).Once()
+			On("readFromFile", mock.Anything).Return([]byte("0x2710"), errors.New("read error while getting device folders")).Once()
 
 		err := dlb.checkAndAddDLBDevice()
 
@@ -701,7 +702,7 @@ func Test_checkAndAddDLBDevice(t *testing.T) {
 		}
 		const globPath = "/sys/devices/pci0000:00/0000:00:00.0/device"
 		fileMock.On("gatherPaths", mock.Anything).Return([]string{globPath}, nil).Once().
-			On("readFromFile", mock.Anything).Return([]byte("0x2710"), fmt.Errorf("read error while getting device folders")).Once()
+			On("readFromFile", mock.Anything).Return([]byte("0x2710"), errors.New("read error while getting device folders")).Once()
 
 		err := dlb.checkAndAddDLBDevice()
 
@@ -778,7 +779,7 @@ func Test_readRasMetrics(t *testing.T) {
 		err            error
 		errMsg         string
 	}{
-		{"error when reading fails", []byte(aerCorrectableData), fmt.Errorf("read error"), "read error"},
+		{"error when reading fails", []byte(aerCorrectableData), errors.New("read error"), "read error"},
 		{"error when empty data is given", []byte(""), nil, "no value to parse"},
 		{"error when trying to split empty data", []byte("x1 x2"), nil, "failed to parse value"},
 	}

plugins/inputs/intel_pmt/intel_pmt.go

@@ -384,7 +384,7 @@ func eval(eq string, params map[string]interface{}) (interface{}, error) {
 	// gval doesn't support hexadecimals
 	eq = hexToDecRegex.ReplaceAllStringFunc(eq, hexToDec)
 	if eq == "" {
-		return nil, fmt.Errorf("error during hex to decimal conversion")
+		return nil, errors.New("error during hex to decimal conversion")
 	}
 	result, err := gval.Evaluate(eq, params)
 	if err != nil {

plugins/inputs/intel_pmu/activators.go

@@ -88,10 +88,10 @@ func (ea *iaEntitiesActivator) activateEntities(coreEntities []*CoreEventEntity,
 
 func (ea *iaEntitiesActivator) activateCoreEvents(entity *CoreEventEntity) error {
 	if entity == nil {
-		return fmt.Errorf("core events entity is nil")
+		return errors.New("core events entity is nil")
 	}
 	if ea.placementMaker == nil {
-		return fmt.Errorf("placement maker is nil")
+		return errors.New("placement maker is nil")
 	}
 	if entity.PerfGroup {
 		err := ea.activateCoreEventsGroup(entity)
@@ -101,7 +101,7 @@ func (ea *iaEntitiesActivator) activateCoreEvents(entity *CoreEventEntity) error
 	} else {
 		for _, event := range entity.parsedEvents {
 			if event == nil {
-				return fmt.Errorf("core parsed event is nil")
+				return errors.New("core parsed event is nil")
 			}
 			placements, err := ea.placementMaker.makeCorePlacements(entity.parsedCores, event.custom.Event)
 			if err != nil {
@@ -119,14 +119,14 @@ func (ea *iaEntitiesActivator) activateCoreEvents(entity *CoreEventEntity) error
 
 func (ea *iaEntitiesActivator) activateUncoreEvents(entity *UncoreEventEntity) error {
 	if entity == nil {
-		return fmt.Errorf("uncore events entity is nil")
+		return errors.New("uncore events entity is nil")
 	}
 	if ea.perfActivator == nil || ea.placementMaker == nil {
-		return fmt.Errorf("events activator or placement maker is nil")
+		return errors.New("events activator or placement maker is nil")
 	}
 	for _, event := range entity.parsedEvents {
 		if event == nil {
-			return fmt.Errorf("uncore parsed event is nil")
+			return errors.New("uncore parsed event is nil")
 		}
 		perfEvent := event.custom.Event
 		if perfEvent == nil {
@@ -152,16 +152,16 @@ func (ea *iaEntitiesActivator) activateUncoreEvents(entity *UncoreEventEntity) e
 
 func (ea *iaEntitiesActivator) activateCoreEventsGroup(entity *CoreEventEntity) error {
 	if ea.perfActivator == nil || ea.placementMaker == nil {
-		return fmt.Errorf("missing perf activator or placement maker")
+		return errors.New("missing perf activator or placement maker")
 	}
 	if entity == nil || len(entity.parsedEvents) < 1 {
-		return fmt.Errorf("missing parsed events")
+		return errors.New("missing parsed events")
 	}
 
 	events := make([]ia.CustomizableEvent, 0, len(entity.parsedEvents))
 	for _, event := range entity.parsedEvents {
 		if event == nil {
-			return fmt.Errorf("core event is nil")
+			return errors.New("core event is nil")
 		}
 		events = append(events, event.custom)
 	}
@@ -184,10 +184,10 @@ func (ea *iaEntitiesActivator) activateCoreEventsGroup(entity *CoreEventEntity)
 
 func (ea *iaEntitiesActivator) activateEventForPlacements(event *eventWithQuals, placements []ia.PlacementProvider) ([]*ia.ActiveEvent, error) {
 	if event == nil {
-		return nil, fmt.Errorf("core event is nil")
+		return nil, errors.New("core event is nil")
 	}
 	if ea.perfActivator == nil {
-		return nil, fmt.Errorf("missing perf activator")
+		return nil, errors.New("missing perf activator")
 	}
 
 	activeEvents := make([]*ia.ActiveEvent, 0, len(placements))

plugins/inputs/intel_pmu/activators_test.go

@@ -58,7 +58,7 @@ func TestActivateEntities(t *testing.T) {
 func TestActivateUncoreEvents(t *testing.T) {
 	mActivator := &mockEventsActivator{}
 	mMaker := &mockPlacementMaker{}
-	errMock := fmt.Errorf("error mock")
+	errMock := errors.New("error mock")
 
 	t.Run("entity is nil", func(t *testing.T) {
 		mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
@@ -155,7 +155,7 @@ func TestActivateUncoreEvents(t *testing.T) {
 func TestActivateCoreEvents(t *testing.T) {
 	mMaker := &mockPlacementMaker{}
 	mActivator := &mockEventsActivator{}
-	errMock := fmt.Errorf("error mock")
+	errMock := errors.New("error mock")
 
 	t.Run("entity is nil", func(t *testing.T) {
 		mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}

plugins/inputs/intel_pmu/config.go

@@ -3,6 +3,7 @@
 package intel_pmu
 
 import (
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -24,12 +25,12 @@ type configParser struct {
 
 func (cp *configParser) parseEntities(coreEntities []*CoreEventEntity, uncoreEntities []*UncoreEventEntity) (err error) {
 	if len(coreEntities) == 0 && len(uncoreEntities) == 0 {
-		return fmt.Errorf("neither core nor uncore entities configured")
+		return errors.New("neither core nor uncore entities configured")
 	}
 
 	for _, coreEntity := range coreEntities {
 		if coreEntity == nil {
-			return fmt.Errorf("core entity is nil")
+			return errors.New("core entity is nil")
 		}
 		if coreEntity.Events == nil {
 			if cp.log != nil {
@@ -39,7 +40,7 @@ func (cp *configParser) parseEntities(coreEntities []*CoreEventEntity, uncoreEnt
 		} else {
 			events := cp.parseEvents(coreEntity.Events)
 			if events == nil {
-				return fmt.Errorf("an empty list of core events was provided")
+				return errors.New("an empty list of core events was provided")
 			}
 			coreEntity.parsedEvents = events
 		}
@@ -52,7 +53,7 @@ func (cp *configParser) parseEntities(coreEntities []*CoreEventEntity, uncoreEnt
 
 	for _, uncoreEntity := range uncoreEntities {
 		if uncoreEntity == nil {
-			return fmt.Errorf("uncore entity is nil")
+			return errors.New("uncore entity is nil")
 		}
 		if uncoreEntity.Events == nil {
 			if cp.log != nil {
@@ -62,7 +63,7 @@ func (cp *configParser) parseEntities(coreEntities []*CoreEventEntity, uncoreEnt
 		} else {
 			events := cp.parseEvents(uncoreEntity.Events)
 			if events == nil {
-				return fmt.Errorf("an empty list of uncore events was provided")
+				return errors.New("an empty list of uncore events was provided")
 			}
 			uncoreEntity.parsedEvents = events
 		}
@@ -95,7 +96,7 @@ func (cp *configParser) parseCores(cores []string) ([]int, error) {
 			cp.log.Debug("all possible cores will be configured")
 		}
 		if cp.sys == nil {
-			return nil, fmt.Errorf("system info provider is nil")
+			return nil, errors.New("system info provider is nil")
 		}
 		cores, err := cp.sys.allCPUs()
 		if err != nil {
@@ -104,7 +105,7 @@ func (cp *configParser) parseCores(cores []string) ([]int, error) {
 		return cores, nil
 	}
 	if len(cores) == 0 {
-		return nil, fmt.Errorf("an empty list of cores was provided")
+		return nil, errors.New("an empty list of cores was provided")
 	}
 
 	result, err := cp.parseIntRanges(cores)
@@ -120,7 +121,7 @@ func (cp *configParser) parseSockets(sockets []string) ([]int, error) {
 			cp.log.Debug("all possible sockets will be configured")
 		}
 		if cp.sys == nil {
-			return nil, fmt.Errorf("system info provider is nil")
+			return nil, errors.New("system info provider is nil")
 		}
 		sockets, err := cp.sys.allSockets()
 		if err != nil {
@@ -129,7 +130,7 @@ func (cp *configParser) parseSockets(sockets []string) ([]int, error) {
 		return sockets, nil
 	}
 	if len(sockets) == 0 {
-		return nil, fmt.Errorf("an empty list of sockets was provided")
+		return nil, errors.New("an empty list of sockets was provided")
 	}
 
 	result, err := cp.parseIntRanges(sockets)

plugins/inputs/intel_pmu/intel_pmu.go

@@ -148,7 +148,7 @@ func (i *IntelPMU) Init() error {
 
 func (i *IntelPMU) initialization(parser entitiesParser, resolver entitiesResolver, activator entitiesActivator) error {
 	if parser == nil || resolver == nil || activator == nil {
-		return fmt.Errorf("entities parser and/or resolver and/or activator is nil")
+		return errors.New("entities parser and/or resolver and/or activator is nil")
 	}
 
 	err := parser.parseEntities(i.CoreEntities, i.UncoreEntities)
@@ -183,7 +183,7 @@ func (i *IntelPMU) checkFileDescriptors() error {
 		return fmt.Errorf("failed to estimate number of uncore events file descriptors: %w", err)
 	}
 	if coreFd > math.MaxUint64-uncoreFd {
-		return fmt.Errorf("requested number of file descriptors exceeds uint64")
+		return errors.New("requested number of file descriptors exceeds uint64")
 	}
 	allFd := coreFd + uncoreFd
 
@@ -210,7 +210,7 @@ func (i *IntelPMU) checkFileDescriptors() error {
 
 func (i *IntelPMU) Gather(acc telegraf.Accumulator) error {
 	if i.entitiesReader == nil {
-		return fmt.Errorf("entities reader is nil")
+		return errors.New("entities reader is nil")
 	}
 	coreMetrics, uncoreMetrics, err := i.entitiesReader.readEntities(i.CoreEntities, i.UncoreEntities)
 	if err != nil {
@@ -342,7 +342,7 @@ func multiplyAndAdd(factorA uint64, factorB uint64, sum uint64) (uint64, error)
 
 func readMaxFD(reader fileInfoProvider) (uint64, error) {
 	if reader == nil {
-		return 0, fmt.Errorf("file reader is nil")
+		return 0, errors.New("file reader is nil")
 	}
 	buf, err := reader.readFile(fileMaxPath)
 	if err != nil {
@@ -358,10 +358,10 @@ func readMaxFD(reader fileInfoProvider) (uint64, error) {
 func checkFiles(paths []string, fileInfo fileInfoProvider) error {
 	// No event definition JSON locations present
 	if len(paths) == 0 {
-		return fmt.Errorf("no paths were given")
+		return errors.New("no paths were given")
 	}
 	if fileInfo == nil {
-		return fmt.Errorf("file info provider is nil")
+		return errors.New("file info provider is nil")
 	}
 	// Wrong files
 	for _, path := range paths {

plugins/inputs/intel_pmu/intel_pmu_test.go

@@ -10,9 +10,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/influxdata/telegraf/testutil"
 	ia "github.com/intel/iaevents"
 	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/testutil"
 )
 
 func TestInitialization(t *testing.T) {
@@ -135,7 +136,7 @@ func TestGather(t *testing.T) {
 	})
 
 	t.Run("error while reading entities", func(t *testing.T) {
-		errMock := fmt.Errorf("houston we have a problem")
+		errMock := errors.New("houston we have a problem")
 		mEntitiesValuesReader.On("readEntities", mIntelPMU.CoreEntities, mIntelPMU.UncoreEntities).
 			Return(nil, nil, errMock).Once()
 
@@ -440,7 +441,7 @@ func TestReadMaxFD(t *testing.T) {
 		maxFD   uint64
 		failMsg string
 	}{
-		{"read file error", fmt.Errorf("mock error"), nil, 0, openErrorMsg},
+		{"read file error", errors.New("mock error"), nil, 0, openErrorMsg},
 		{"file content parse error", nil, []byte("wrong format"), 0, parseErrorMsg},
 		{"negative value reading", nil, []byte("-10000"), 0, parseErrorMsg},
 		{"max uint exceeded", nil, []byte("18446744073709551616"), 0, parseErrorMsg},

plugins/inputs/intel_pmu/reader.go

@@ -3,6 +3,7 @@
 package intel_pmu
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -88,10 +89,10 @@ func (ie *iaEntitiesValuesReader) readEntities(coreEntities []*CoreEventEntity,
 
 func (ie *iaEntitiesValuesReader) readCoreEvents(entity *CoreEventEntity) ([]coreMetric, error) {
 	if ie.eventReader == nil || ie.timer == nil {
-		return nil, fmt.Errorf("event values reader or timer is nil")
+		return nil, errors.New("event values reader or timer is nil")
 	}
 	if entity == nil {
-		return nil, fmt.Errorf("entity is nil")
+		return nil, errors.New("entity is nil")
 	}
 	metrics := make([]coreMetric, len(entity.activeEvents))
 	errGroup := errgroup.Group{}
@@ -101,7 +102,7 @@ func (ie *iaEntitiesValuesReader) readCoreEvents(entity *CoreEventEntity) ([]cor
 		actualEvent := event
 
 		if event == nil || event.PerfEvent == nil {
-			return nil, fmt.Errorf("active event or corresponding perf event is nil")
+			return nil, errors.New("active event or corresponding perf event is nil")
 		}
 
 		errGroup.Go(func() error {
@@ -130,7 +131,7 @@ func (ie *iaEntitiesValuesReader) readCoreEvents(entity *CoreEventEntity) ([]cor
 
 func (ie *iaEntitiesValuesReader) readUncoreEvents(entity *UncoreEventEntity) ([]uncoreMetric, error) {
 	if entity == nil {
-		return nil, fmt.Errorf("entity is nil")
+		return nil, errors.New("entity is nil")
 	}
 	var uncoreMetrics []uncoreMetric
 
@@ -158,10 +159,10 @@ func (ie *iaEntitiesValuesReader) readUncoreEvents(entity *UncoreEventEntity) ([
 
 func (ie *iaEntitiesValuesReader) readMultiEventSeparately(multiEvent multiEvent) ([]uncoreMetric, error) {
 	if ie.eventReader == nil || ie.timer == nil {
-		return nil, fmt.Errorf("event values reader or timer is nil")
+		return nil, errors.New("event values reader or timer is nil")
 	}
 	if len(multiEvent.activeEvents) < 1 || multiEvent.perfEvent == nil {
-		return nil, fmt.Errorf("no active events or perf event is nil")
+		return nil, errors.New("no active events or perf event is nil")
 	}
 	activeEvents := multiEvent.activeEvents
 	perfEvent := multiEvent.perfEvent
@@ -199,10 +200,10 @@ func (ie *iaEntitiesValuesReader) readMultiEventSeparately(multiEvent multiEvent
 
 func (ie *iaEntitiesValuesReader) readMultiEventAgg(multiEvent multiEvent) (uncoreMetric, error) {
 	if ie.eventReader == nil || ie.timer == nil {
-		return uncoreMetric{}, fmt.Errorf("event values reader or timer is nil")
+		return uncoreMetric{}, errors.New("event values reader or timer is nil")
 	}
 	if len(multiEvent.activeEvents) < 1 || multiEvent.perfEvent == nil {
-		return uncoreMetric{}, fmt.Errorf("no active events or perf event is nil")
+		return uncoreMetric{}, errors.New("no active events or perf event is nil")
 	}
 	activeEvents := multiEvent.activeEvents
 	perfEvent := multiEvent.perfEvent

plugins/inputs/intel_pmu/reader_test.go

@@ -3,6 +3,7 @@
 package intel_pmu
 
 import (
+	"errors"
 	"fmt"
 	"math"
 	"testing"
@@ -61,7 +62,7 @@ func TestReadCoreEvents(t *testing.T) {
 	})
 
 	t.Run("reading failed", func(t *testing.T) {
-		errMock := fmt.Errorf("mock error")
+		errMock := errors.New("mock error")
 		event := &ia.ActiveEvent{PerfEvent: &ia.PerfEvent{Name: "event1"}}
 
 		entity := &CoreEventEntity{}
@@ -138,7 +139,7 @@ func TestReadMultiEventSeparately(t *testing.T) {
 	})
 
 	t.Run("reading failed", func(t *testing.T) {
-		errMock := fmt.Errorf("mock error")
+		errMock := errors.New("mock error")
 		perfEvent := &ia.PerfEvent{Name: "event"}
 
 		event := &ia.ActiveEvent{PerfEvent: perfEvent}
@@ -190,7 +191,7 @@ func TestReadMultiEventAgg(t *testing.T) {
 	mReader := &mockValuesReader{}
 	mTimer := &moonClock{}
 	mEntitiesReader := &iaEntitiesValuesReader{mReader, mTimer}
-	errMock := fmt.Errorf("mock error")
+	errMock := errors.New("mock error")
 
 	t.Run("event reader is nil", func(t *testing.T) {
 		event := multiEvent{}
@@ -294,7 +295,7 @@ func TestReadMultiEventAgg(t *testing.T) {
 }
 
 func TestReadUncoreEvents(t *testing.T) {
-	errMock := fmt.Errorf("mock error")
+	errMock := errors.New("mock error")
 
 	t.Run("entity is nil", func(t *testing.T) {
 		metrics, err := (&iaEntitiesValuesReader{}).readUncoreEvents(nil)

plugins/inputs/intel_pmu/resolver.go

@@ -7,8 +7,9 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/influxdata/telegraf"
 	ia "github.com/intel/iaevents"
+
+	"github.com/influxdata/telegraf"
 )
 
 type entitiesResolver interface {
@@ -24,7 +25,7 @@ type iaEntitiesResolver struct {
 func (e *iaEntitiesResolver) resolveEntities(coreEntities []*CoreEventEntity, uncoreEntities []*UncoreEventEntity) error {
 	for _, entity := range coreEntities {
 		if entity == nil {
-			return fmt.Errorf("core entity is nil")
+			return errors.New("core entity is nil")
 		}
 		if entity.allEvents {
 			newEvents, _, err := e.resolveAllEvents()
@@ -36,7 +37,7 @@ func (e *iaEntitiesResolver) resolveEntities(coreEntities []*CoreEventEntity, un
 		}
 		for _, event := range entity.parsedEvents {
 			if event == nil {
-				return fmt.Errorf("parsed core event is nil")
+				return errors.New("parsed core event is nil")
 			}
 			customEvent, err := e.resolveEvent(event.name, event.qualifiers)
 			if err != nil {
@@ -50,7 +51,7 @@ func (e *iaEntitiesResolver) resolveEntities(coreEntities []*CoreEventEntity, un
 	}
 	for _, entity := range uncoreEntities {
 		if entity == nil {
-			return fmt.Errorf("uncore entity is nil")
+			return errors.New("uncore entity is nil")
 		}
 		if entity.allEvents {
 			_, newEvents, err := e.resolveAllEvents()
@@ -62,7 +63,7 @@ func (e *iaEntitiesResolver) resolveEntities(coreEntities []*CoreEventEntity, un
 		}
 		for _, event := range entity.parsedEvents {
 			if event == nil {
-				return fmt.Errorf("parsed uncore event is nil")
+				return errors.New("parsed uncore event is nil")
 			}
 			customEvent, err := e.resolveEvent(event.name, event.qualifiers)
 			if err != nil {

plugins/inputs/intel_rdt/intel_rdt.go

@@ -115,10 +115,10 @@ func (r *IntelRDT) Initialize() error {
 		return err
 	}
 	if len(r.Cores) != 0 && len(r.Processes) != 0 {
-		return fmt.Errorf("monitoring start error, process and core tracking can not be done simultaneously")
+		return errors.New("monitoring start error, process and core tracking can not be done simultaneously")
 	}
 	if len(r.Cores) == 0 && len(r.Processes) == 0 {
-		return fmt.Errorf("monitoring start error, at least one of cores or processes must be provided in config")
+		return errors.New("monitoring start error, at least one of cores or processes must be provided in config")
 	}
 	if r.SamplingInterval == 0 {
 		r.SamplingInterval = defaultSamplingInterval
@@ -206,7 +206,7 @@ func (r *IntelRDT) associateProcessesWithPIDs(providedProcesses []string) (map[s
 
 	availableProcesses, err := r.Processor.getAllProcesses()
 	if err != nil {
-		return nil, fmt.Errorf("cannot gather information of all available processes")
+		return nil, errors.New("cannot gather information of all available processes")
 	}
 	for _, availableProcess := range availableProcesses {
 		if choice.Contains(availableProcess.Name, providedProcesses) {
@@ -388,14 +388,14 @@ func createArgsForGroups(coresOrPIDs []string) string {
 
 func validatePqosPath(pqosPath string) error {
 	if len(pqosPath) == 0 {
-		return fmt.Errorf("monitoring start error, can not find pqos executable")
+		return errors.New("monitoring start error, can not find pqos executable")
 	}
 	pathInfo, err := os.Stat(pqosPath)
 	if os.IsNotExist(err) {
-		return fmt.Errorf("monitoring start error, provided pqos path not exist")
+		return errors.New("monitoring start error, provided pqos path not exist")
 	}
 	if mode := pathInfo.Mode(); !mode.IsRegular() {
-		return fmt.Errorf("monitoring start error, provided pqos path does not point to a regular file")
+		return errors.New("monitoring start error, provided pqos path does not point to a regular file")
 	}
 	return nil
 }
@@ -431,7 +431,7 @@ func validateAndParseCores(coreStr string) ([]int, error) {
 		rangeValues := strings.Split(coreStr, "-")
 
 		if len(rangeValues) != 2 {
-			return nil, fmt.Errorf("more than two values in range")
+			return nil, errors.New("more than two values in range")
 		}
 
 		startValue, err := strconv.Atoi(rangeValues[0])
@@ -444,7 +444,7 @@ func validateAndParseCores(coreStr string) ([]int, error) {
 		}
 
 		if startValue > stopValue {
-			return nil, fmt.Errorf("first value cannot be higher than second")
+			return nil, errors.New("first value cannot be higher than second")
 		}
 
 		rangeOfCores := makeRange(startValue, stopValue)
@@ -464,7 +464,7 @@ func findPIDsInMeasurement(measurements string) (string, error) {
 	var insideQuoteRegex = regexp.MustCompile(`"(.*?)"`)
 	pidsMatch := insideQuoteRegex.FindStringSubmatch(measurements)
 	if len(pidsMatch) < 2 {
-		return "", fmt.Errorf("cannot find PIDs in measurement line")
+		return "", errors.New("cannot find PIDs in measurement line")
 	}
 	pids := pidsMatch[1]
 	return pids, nil
@@ -489,7 +489,7 @@ func splitCSVLineIntoValues(line string) (splitCSVLine, error) {
 
 func validateInterval(interval int32) error {
 	if interval < 0 {
-		return fmt.Errorf("interval cannot be lower than 0")
+		return errors.New("interval cannot be lower than 0")
 	}
 	return nil
 }

plugins/inputs/internet_speed/internet_speed.go

@@ -4,6 +4,7 @@ package internet_speed
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"math"
 	"os"
@@ -142,7 +143,7 @@ func (is *InternetSpeed) findClosestServer() error {
 	}
 
 	if len(is.servers) < 1 {
-		return fmt.Errorf("no servers found")
+		return errors.New("no servers found")
 	}
 
 	// Return the first match or the server with the lowest latency
@@ -168,7 +169,7 @@ func (is *InternetSpeed) findClosestServer() error {
 		return nil
 	}
 
-	return fmt.Errorf("no server set: filter excluded all servers or no available server found")
+	return errors.New("no server set: filter excluded all servers or no available server found")
 }
 
 func init() {

plugins/inputs/ipmi_sensor/ipmi_sensor.go

@@ -5,6 +5,7 @@ import (
 	"bufio"
 	"bytes"
 	_ "embed"
+	"errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -77,7 +78,7 @@ func (m *Ipmi) Init() error {
 // Gather is the main execution function for the plugin
 func (m *Ipmi) Gather(acc telegraf.Accumulator) error {
 	if len(m.Path) == 0 {
-		return fmt.Errorf("ipmitool not found: verify that ipmitool is installed and that ipmitool is in your PATH")
+		return errors.New("ipmitool not found: verify that ipmitool is installed and that ipmitool is in your PATH")
 	}
 
 	if len(m.Servers) > 0 {

plugins/inputs/ipset/ipset_test.go

@@ -3,7 +3,6 @@ package ipset
 import (
 	"bytes"
 	"errors"
-	"fmt"
 	"reflect"
 	"testing"
 
@@ -40,7 +39,7 @@ func TestIpset(t *testing.T) {
 			value: `create hash:net family inet hashsize 1024 maxelem 65536 counters
 				add myset 4.5.6.7 packets 123 bytes
 				`,
-			err: fmt.Errorf("error parsing line (expected at least 7 fields): \t\t\t\tadd myset 4.5.6.7 packets 123 bytes"),
+			err: errors.New("error parsing line (expected at least 7 fields): \t\t\t\tadd myset 4.5.6.7 packets 123 bytes"),
 		},
 		{
 			name: "Non-empty sets, counters, no comment",

plugins/inputs/jenkins/jenkins.go

@@ -4,6 +4,7 @@ package jenkins
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -147,7 +148,7 @@ func (j *Jenkins) initialize(client *http.Client) error {
 func (j *Jenkins) gatherNodeData(n node, acc telegraf.Accumulator) error {
 	tags := map[string]string{}
 	if n.DisplayName == "" {
-		return fmt.Errorf("error empty node name")
+		return errors.New("error empty node name")
 	}
 
 	tags["node_name"] = n.DisplayName

plugins/inputs/jolokia/jolokia.go

@@ -5,6 +5,7 @@ import (
 	"bytes"
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -235,14 +236,14 @@ func (j *Jolokia) Gather(acc telegraf.Accumulator) error {
 					server.Host, server.Port, metrics[i].Mbean, metrics[i].Attribute, status))
 				continue
 			} else if !ok {
-				acc.AddError(fmt.Errorf("missing status in response body"))
+				acc.AddError(errors.New("missing status in response body"))
 				continue
 			}
 
 			if values, ok := resp["value"]; ok {
 				j.extractValues(metrics[i].Name, values, fields)
 			} else {
-				acc.AddError(fmt.Errorf("missing key 'value' in output response"))
+				acc.AddError(errors.New("missing key 'value' in output response"))
 			}
 		}
 

plugins/inputs/jolokia/jolokia_test.go

@@ -1,7 +1,6 @@
 package jolokia
 
 import (
-	_ "fmt"
 	"io"
 	"net/http"
 	"strings"

plugins/inputs/jti_openconfig_telemetry/jti_openconfig_telemetry.go

@@ -4,6 +4,7 @@ package jti_openconfig_telemetry
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net"
 	"regexp"
@@ -368,7 +369,7 @@ func (m *OpenConfigTelemetry) authenticate(ctx context.Context, server string, g
 func (m *OpenConfigTelemetry) Start(acc telegraf.Accumulator) error {
 	// Build sensors config
 	if m.splitSensorConfig() == 0 {
-		return fmt.Errorf("no valid sensor configuration available")
+		return errors.New("no valid sensor configuration available")
 	}
 
 	// Parse TLS config

plugins/inputs/kinesis_consumer/kinesis_consumer.go

@@ -7,6 +7,7 @@ import (
 	"compress/zlib"
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"io"
 	"math/big"
@@ -261,7 +262,7 @@ func (k *KinesisConsumer) GetCheckpoint(streamName, shardID string) (string, err
 // Set wraps the checkpoint's SetCheckpoint function (called by consumer library)
 func (k *KinesisConsumer) SetCheckpoint(streamName, shardID, sequenceNumber string) error {
 	if sequenceNumber == "" {
-		return fmt.Errorf("sequence number should not be empty")
+		return errors.New("sequence number should not be empty")
 	}
 
 	k.checkpointTex.Lock()

plugins/inputs/leofs/leofs.go

@@ -4,6 +4,7 @@ package leofs
 import (
 	"bufio"
 	_ "embed"
+	"errors"
 	"fmt"
 	"os/exec"
 	"strconv"
@@ -206,7 +207,7 @@ func (l *LeoFS) gatherServer(
 	defer internal.WaitTimeout(cmd, time.Second*5) //nolint:errcheck // ignore the returned error as we cannot do anything about it anyway
 	scanner := bufio.NewScanner(stdout)
 	if !scanner.Scan() {
-		return fmt.Errorf("unable to retrieve the node name")
+		return errors.New("unable to retrieve the node name")
 	}
 	nodeName, err := retrieveTokenAfterColon(scanner.Text())
 	if err != nil {

plugins/inputs/libvirt/libvirt.go

@@ -3,13 +3,13 @@ package libvirt
 
 import (
 	_ "embed"
+	"errors"
 	"fmt"
 	"sync"
 
-	"golang.org/x/sync/errgroup"
-
 	golibvirt "github.com/digitalocean/go-libvirt"
 	libvirtutils "github.com/thomasklein94/packer-plugin-libvirt/libvirt-utils"
+	"golang.org/x/sync/errgroup"
 
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs"
@@ -84,7 +84,7 @@ func (l *Libvirt) Init() error {
 	}
 
 	if !l.isThereAnythingToGather() {
-		return fmt.Errorf("all configuration options are empty or invalid. Did not find anything to gather")
+		return errors.New("all configuration options are empty or invalid. Did not find anything to gather")
 	}
 
 	return nil

plugins/inputs/libvirt/libvirt_test.go

@@ -1,7 +1,7 @@
 package libvirt
 
 import (
-	"fmt"
+	"errors"
 	"testing"
 	"time"
 
@@ -68,7 +68,7 @@ func TestLibvirt_Gather(t *testing.T) {
 			Log:        testutil.Logger{},
 			utils:      &mockLibvirtUtils,
 		}
-		mockLibvirtUtils.On("EnsureConnected", mock.Anything).Return(fmt.Errorf("failed to connect")).Once()
+		mockLibvirtUtils.On("EnsureConnected", mock.Anything).Return(errors.New("failed to connect")).Once()
 		err := l.Gather(&acc)
 		require.Error(t, err)
 		require.Contains(t, err.Error(), "failed to connect")
@@ -84,7 +84,7 @@ func TestLibvirt_Gather(t *testing.T) {
 			StatisticsGroups: []string{"state"},
 		}
 		mockLibvirtUtils.On("EnsureConnected", mock.Anything).Return(nil).Once().
-			On("GatherAllDomains", mock.Anything).Return(nil, fmt.Errorf("gather domain error")).Once().
+			On("GatherAllDomains", mock.Anything).Return(nil, errors.New("gather domain error")).Once().
 			On("Disconnect").Return(nil).Once()
 
 		err := l.Gather(&acc)
@@ -120,7 +120,7 @@ func TestLibvirt_Gather(t *testing.T) {
 		mockLibvirtUtils.On("EnsureConnected", mock.Anything).Return(nil).Once().
 			On("GatherAllDomains", mock.Anything).Return(domains, nil).Once().
 			On("GatherStatsForDomains", mock.Anything, mock.Anything).
-			Return(nil, fmt.Errorf("gathering metric by number error")).Once().
+			Return(nil, errors.New("gathering metric by number error")).Once().
 			On("Disconnect").Return(nil).Once()
 
 		err := l.Init()

plugins/inputs/linux_cpu/linux_cpu.go

@@ -58,7 +58,7 @@ func (g *LinuxCPU) Init() error {
 
 	if len(g.Metrics) == 0 {
 		// The user has not enabled any of the metrics
-		return fmt.Errorf("no metrics selected")
+		return errors.New("no metrics selected")
 	}
 
 	cpus, err := g.discoverCpus()
@@ -66,7 +66,7 @@ func (g *LinuxCPU) Init() error {
 		return err
 	} else if len(cpus) == 0 {
 		// Although the user has specified metrics to collect, `discoverCpus` failed to find the required metrics
-		return fmt.Errorf("no CPUs detected to track")
+		return errors.New("no CPUs detected to track")
 	}
 	g.cpus = cpus
 
@@ -208,7 +208,7 @@ func readUintFromFile(propPath string) (uint64, error) {
 	if err != nil && !errors.Is(err, io.EOF) {
 		return 0, fmt.Errorf("error on reading file: %w", err)
 	} else if n == 0 {
-		return 0, fmt.Errorf("error on reading file: file is empty")
+		return 0, errors.New("error on reading file: file is empty")
 	}
 
 	return strconv.ParseUint(string(buffer[:n-1]), 10, 64)

plugins/inputs/mcrouter/mcrouter.go

@@ -5,6 +5,7 @@ import (
 	"bufio"
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net"
 	"net/url"
@@ -145,24 +146,24 @@ func (m *Mcrouter) ParseAddress(address string) (parsedAddress string, protocol
 	u, parseError := url.Parse(parsedAddress)
 
 	if parseError != nil {
-		return "", "", fmt.Errorf("invalid server address")
+		return "", "", errors.New("invalid server address")
 	}
 
 	if u.Scheme != "tcp" && u.Scheme != "unix" {
-		return "", "", fmt.Errorf("invalid server protocol")
+		return "", "", errors.New("invalid server protocol")
 	}
 
 	protocol = u.Scheme
 
 	if protocol == "unix" {
 		if u.Path == "" {
-			return "", "", fmt.Errorf("invalid unix socket path")
+			return "", "", errors.New("invalid unix socket path")
 		}
 
 		parsedAddress = u.Path
 	} else {
 		if u.Host == "" {
-			return "", "", fmt.Errorf("invalid host")
+			return "", "", errors.New("invalid host")
 		}
 
 		host = u.Hostname()

plugins/inputs/memcached/memcached.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"crypto/tls"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net"
 	"strconv"
@@ -145,7 +146,7 @@ func (m *Memcached) gatherServer(
 	}
 
 	if conn == nil {
-		return fmt.Errorf("Failed to create net connection")
+		return errors.New("failed to create net connection")
 	}
 
 	// Extend connection

plugins/inputs/modbus/modbus.go

@@ -128,11 +128,11 @@ func (m *Modbus) SampleConfig() string {
 func (m *Modbus) Init() error {
 	//check device name
 	if m.Name == "" {
-		return fmt.Errorf("device name is empty")
+		return errors.New("device name is empty")
 	}
 
 	if m.Retries < 0 {
-		return fmt.Errorf("retries cannot be negative")
+		return errors.New("retries cannot be negative")
 	}
 
 	// Determine the configuration style

plugins/inputs/mongodb/mongodb.go

@@ -6,6 +6,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	_ "embed"
+	"errors"
 	"fmt"
 	"net/url"
 	"strings"
@@ -68,13 +69,13 @@ func (m *MongoDB) Init() error {
 			InsecureSkipVerify: m.ClientConfig.InsecureSkipVerify,
 		}
 		if len(m.Ssl.CaCerts) == 0 {
-			return fmt.Errorf("you must explicitly set insecure_skip_verify to skip certificate validation")
+			return errors.New("you must explicitly set insecure_skip_verify to skip certificate validation")
 		}
 
 		roots := x509.NewCertPool()
 		for _, caCert := range m.Ssl.CaCerts {
 			if ok := roots.AppendCertsFromPEM([]byte(caCert)); !ok {
-				return fmt.Errorf("failed to parse root certificate")
+				return errors.New("failed to parse root certificate")
 			}
 		}
 		m.tlsConfig.RootCAs = roots

plugins/inputs/mongodb/mongodb_server.go

@@ -2,6 +2,7 @@ package mongodb
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -106,13 +107,13 @@ func (s *Server) gatherTopStatData() (*TopStats, error) {
 
 	totals, ok := dest["totals"].(map[string]interface{})
 	if !ok {
-		return nil, fmt.Errorf("collection totals not found or not a map")
+		return nil, errors.New("collection totals not found or not a map")
 	}
 	delete(totals, "note")
 
 	recorded, err := bson.Marshal(totals)
 	if err != nil {
-		return nil, fmt.Errorf("unable to marshal totals")
+		return nil, errors.New("unable to marshal totals")
 	}
 
 	topInfo := make(map[string]TopStatCollection)

plugins/inputs/mqtt_consumer/mqtt_consumer.go

@@ -147,15 +147,15 @@ func (m *MQTTConsumer) Init() error {
 		m.TopicParsing[i].SplitTopic = strings.Split(p.Topic, "/")
 
 		if len(splitMeasurement) != len(m.TopicParsing[i].SplitTopic) && len(splitMeasurement) != 1 {
-			return fmt.Errorf("config error topic parsing: measurement length does not equal topic length")
+			return errors.New("config error topic parsing: measurement length does not equal topic length")
 		}
 
 		if len(m.TopicParsing[i].SplitFields) != len(m.TopicParsing[i].SplitTopic) && p.Fields != "" {
-			return fmt.Errorf("config error topic parsing: fields length does not equal topic length")
+			return errors.New("config error topic parsing: fields length does not equal topic length")
 		}
 
 		if len(m.TopicParsing[i].SplitTags) != len(m.TopicParsing[i].SplitTopic) && p.Tags != "" {
-			return fmt.Errorf("config error topic parsing: tags length does not equal topic length")
+			return errors.New("config error topic parsing: tags length does not equal topic length")
 		}
 	}
 
@@ -383,7 +383,7 @@ func (m *MQTTConsumer) createOpts() (*mqtt.ClientOptions, error) {
 		password.Destroy()
 	}
 	if len(m.Servers) == 0 {
-		return opts, fmt.Errorf("could not get host information")
+		return opts, errors.New("could not get host information")
 	}
 	for _, server := range m.Servers {
 		// Preserve support for host:port style servers; deprecated in Telegraf 1.4.4

plugins/inputs/mqtt_consumer/mqtt_consumer_test.go

@@ -1,7 +1,7 @@
 package mqtt_consumer
 
 import (
-	"fmt"
+	"errors"
 	"testing"
 	"time"
 
@@ -325,7 +325,7 @@ func TestTopicTag(t *testing.T) {
 				tag := ""
 				return &tag
 			},
-			expectedError: fmt.Errorf("config error topic parsing: fields length does not equal topic length"),
+			expectedError: errors.New("config error topic parsing: fields length does not equal topic length"),
 			topicParsing: []TopicParsingConfig{
 				{
 					Topic:       "telegraf/+/test/hello",

plugins/inputs/nsq_consumer/nsq_consumer.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	_ "embed"
 	"errors"
-	"fmt"
 	"sync"
 
 	"github.com/nsqio/go-nsq"
@@ -112,7 +111,7 @@ func (n *NSQConsumer) Start(ac telegraf.Accumulator) error {
 
 	// Check if we have anything to connect to
 	if len(n.Nsqlookupd) == 0 && len(n.Nsqd) == 0 {
-		return fmt.Errorf("either 'nsqd' or 'nsqlookupd' needs to be specified")
+		return errors.New("either 'nsqd' or 'nsqlookupd' needs to be specified")
 	}
 
 	if len(n.Nsqlookupd) > 0 {

plugins/inputs/opcua_listener/subscribe_client.go

@@ -2,6 +2,7 @@ package opcua_listener
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"reflect"
 	"time"
@@ -44,9 +45,9 @@ func checkDataChangeFilterParameters(params *input.DataChangeFilter) error {
 		params.DeadbandType != input.Percent:
 		return fmt.Errorf("deadband_type '%s' not supported", params.DeadbandType)
 	case params.DeadbandValue == nil:
-		return fmt.Errorf("deadband_value was not set")
+		return errors.New("deadband_value was not set")
 	case *params.DeadbandValue < 0:
-		return fmt.Errorf("negative deadband_value not supported")
+		return errors.New("negative deadband_value not supported")
 	default:
 		return nil
 	}

plugins/inputs/opensearch_query/aggregation.bucket.go

@@ -1,6 +1,9 @@
 package opensearch_query
 
-import "fmt"
+import (
+	"errors"
+	"fmt"
+)
 
 type BucketAggregationRequest map[string]*aggregationFunction
 
@@ -25,7 +28,7 @@ func (b BucketAggregationRequest) AddNestedAggregation(name string, a Aggregatio
 
 func (b BucketAggregationRequest) BucketSize(name string, size int) error {
 	if size <= 0 {
-		return fmt.Errorf("invalid size; must be integer value > 0")
+		return errors.New("invalid size; must be integer value > 0")
 	}
 
 	if _, ok := b[name]; !ok {

plugins/inputs/opensearch_query/opensearch_query.go

@@ -6,6 +6,7 @@ import (
 	"crypto/tls"
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"strings"
@@ -65,7 +66,7 @@ func (*OpensearchQuery) SampleConfig() string {
 // Init the plugin.
 func (o *OpensearchQuery) Init() error {
 	if o.URLs == nil {
-		return fmt.Errorf("no urls defined")
+		return errors.New("no urls defined")
 	}
 
 	err := o.newClient()
@@ -75,10 +76,10 @@ func (o *OpensearchQuery) Init() error {
 
 	for i, agg := range o.Aggregations {
 		if agg.MeasurementName == "" {
-			return fmt.Errorf("field 'measurement_name' is not set")
+			return errors.New("field 'measurement_name' is not set")
 		}
 		if agg.DateField == "" {
-			return fmt.Errorf("field 'date_field' is not set")
+			return errors.New("field 'date_field' is not set")
 		}
 		err = o.initAggregation(agg, i)
 		if err != nil {

plugins/inputs/openstack/openstack.go

@@ -13,6 +13,7 @@ package openstack
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
 	"regexp"
 	"sort"
@@ -113,10 +114,10 @@ func (o *OpenStack) Init() error {
 	}
 	sort.Strings(o.EnabledServices)
 	if o.Username == "" || o.Password == "" {
-		return fmt.Errorf("username or password can not be empty string")
+		return errors.New("username or password can not be empty string")
 	}
 	if o.TagValue == "" {
-		return fmt.Errorf("tag_value option can not be empty string")
+		return errors.New("tag_value option can not be empty string")
 	}
 
 	// Check the enabled services

plugins/inputs/p4runtime/p4runtime_test.go

@@ -76,10 +76,8 @@ func TestErrorGetP4Info(t *testing.T) {
 		getForwardingPipelineConfigResponseError error
 	}{
 		{
-			getForwardingPipelineConfigResponse: nil,
+			getForwardingPipelineConfigResponse:      nil,
-			getForwardingPipelineConfigResponseError: fmt.Errorf(
+			getForwardingPipelineConfigResponseError: errors.New("error when retrieving forwarding pipeline config"),
-				"error when retrieving forwarding pipeline config",
-			),
 		}, {
 			getForwardingPipelineConfigResponse: &p4v1.GetForwardingPipelineConfigResponse{
 				Config: nil,
@@ -583,7 +581,7 @@ func TestFailReadCounterEntryFromEntry(t *testing.T) {
 func TestFailReadAllEntries(t *testing.T) {
 	p4RtClient := &fakeP4RuntimeClient{
 		readFn: func(ctx context.Context, in *p4v1.ReadRequest, opts ...grpc.CallOption) (p4v1.P4Runtime_ReadClient, error) {
-			return nil, errors.New("Connection error")
+			return nil, errors.New("connection error")
 		},
 		getForwardingPipelineConfigFn: func(
 			ctx context.Context,
@@ -617,8 +615,7 @@ func TestFailReadAllEntries(t *testing.T) {
 	require.Equal(
 		t,
 		acc.Errors[0],
-		fmt.Errorf("reading counter entries with ID=1111 failed with error: %w",
+		fmt.Errorf("reading counter entries with ID=1111 failed with error: %w", errors.New("connection error")),
-			errors.New("Connection error")),
 	)
 	testutil.RequireMetricsEqual(
 		t,

plugins/inputs/ping/ping.go

@@ -160,10 +160,10 @@ func (p *Ping) nativePing(destination string) (*pingStats, error) {
 	if err != nil {
 		if strings.Contains(err.Error(), "operation not permitted") {
 			if runtime.GOOS == "linux" {
-				return nil, fmt.Errorf("permission changes required, enable CAP_NET_RAW capabilities (refer to the ping plugin's README.md for more info)")
+				return nil, errors.New("permission changes required, enable CAP_NET_RAW capabilities (refer to the ping plugin's README.md for more info)")
 			}
 
-			return nil, fmt.Errorf("permission changes required, refer to the ping plugin's README.md for more info")
+			return nil, errors.New("permission changes required, refer to the ping plugin's README.md for more info")
 		}
 		return nil, err
 	}

plugins/inputs/ping/ping_test.go

@@ -4,7 +4,6 @@ package ping
 
 import (
 	"errors"
-	"fmt"
 	"sort"
 	"testing"
 	"time"
@@ -518,7 +517,7 @@ func TestDNSLookupError(t *testing.T) {
 		Method: "native",
 		IPv6:   false,
 		nativePingFunc: func(destination string) (*pingStats, error) {
-			return nil, fmt.Errorf("unknown")
+			return nil, errors.New("unknown")
 		},
 	}
 

plugins/inputs/powerdns_recursor/protocol_commons.go

@@ -1,6 +1,7 @@
 package powerdns_recursor
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"strconv"
@@ -57,7 +58,7 @@ func writeNativeUIntToConn(conn net.Conn, value uint) error {
 	case 8:
 		internal.HostEndianness.PutUint64(intData, uint64(value))
 	default:
-		return fmt.Errorf("unsupported system configuration")
+		return errors.New("unsupported system configuration")
 	}
 
 	_, err := conn.Write(intData)
@@ -83,6 +84,6 @@ func readNativeUIntFromConn(conn net.Conn) (uint, error) {
 	case 8:
 		return uint(internal.HostEndianness.Uint64(intData)), nil
 	default:
-		return 0, fmt.Errorf("unsupported system configuration")
+		return 0, errors.New("unsupported system configuration")
 	}
 }

plugins/inputs/powerdns_recursor/protocol_v1.go

@@ -1,6 +1,7 @@
 package powerdns_recursor
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -64,7 +65,7 @@ func (p *PowerdnsRecursor) gatherFromV1Server(address string, acc telegraf.Accum
 		return err
 	}
 	if n == 0 {
-		return fmt.Errorf("no data received")
+		return errors.New("no data received")
 	}
 
 	metrics := string(buf)

plugins/inputs/powerdns_recursor/protocol_v2.go

@@ -1,6 +1,7 @@
 package powerdns_recursor
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -68,7 +69,7 @@ func (p *PowerdnsRecursor) gatherFromV2Server(address string, acc telegraf.Accum
 		return err
 	}
 	if n == 0 {
-		return fmt.Errorf("no status code received")
+		return errors.New("no status code received")
 	}
 
 	// Read the response data.
@@ -78,7 +79,7 @@ func (p *PowerdnsRecursor) gatherFromV2Server(address string, acc telegraf.Accum
 		return err
 	}
 	if n == 0 {
-		return fmt.Errorf("no data received")
+		return errors.New("no data received")
 	}
 
 	metrics := string(buf)

plugins/inputs/powerdns_recursor/protocol_v3.go

@@ -1,6 +1,7 @@
 package powerdns_recursor
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"time"
@@ -49,7 +50,7 @@ func (p *PowerdnsRecursor) gatherFromV3Server(address string, acc telegraf.Accum
 		return err
 	}
 	if n == 0 {
-		return fmt.Errorf("no status code received")
+		return errors.New("no status code received")
 	}
 
 	responseLength, err := readNativeUIntFromConn(conn)
@@ -57,7 +58,7 @@ func (p *PowerdnsRecursor) gatherFromV3Server(address string, acc telegraf.Accum
 		return err
 	}
 	if responseLength == 0 {
-		return fmt.Errorf("received data length was '0'")
+		return errors.New("received data length was '0'")
 	}
 
 	// Don't allow more than 64kb of data to prevent DOS / issues

plugins/inputs/processes/processes_test.go

@@ -3,6 +3,7 @@
 package processes
 
 import (
+	"errors"
 	"fmt"
 	"runtime"
 	"testing"
@@ -192,7 +193,7 @@ func (t *tester) testProcFile2(_ string) ([]byte, error) {
 }
 
 func testExecPSError(_ bool) ([]byte, error) {
-	return []byte("\nSTAT\nD\nI\nL\nR\nR+\nS\nS+\nSNs\nSs\nU\nZ\n"), fmt.Errorf("error")
+	return []byte("\nSTAT\nD\nI\nL\nR\nR+\nS\nS+\nSNs\nSs\nU\nZ\n"), errors.New("error")
 }
 
 const testProcStat = `10 (rcuob/0) %s 2 0 0 0 -1 2129984 0 0 0 0 0 0 0 0 20 0 %s 0 11 0 0 18446744073709551615 0 0 0 0 0 0 0 ` +

plugins/inputs/procstat/process.go

@@ -1,14 +1,15 @@
 package procstat
 
 import (
-	"fmt"
+	"errors"
 	"runtime"
 	"strconv"
 	"time"
 
+	"github.com/shirou/gopsutil/v3/process"
+
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/metric"
-	"github.com/shirou/gopsutil/v3/process"
 )
 
 type Process interface {
@@ -59,7 +60,7 @@ func (p *Proc) percent(_ time.Duration) (float64, error) {
 	cpuPerc, err := p.Process.Percent(time.Duration(0))
 	if !p.hasCPUTimes && err == nil {
 		p.hasCPUTimes = true
-		return 0, fmt.Errorf("must call Percent twice to compute percent cpu")
+		return 0, errors.New("must call Percent twice to compute percent cpu")
 	}
 	return cpuPerc, err
 }

plugins/inputs/procstat/procstat_test.go

@@ -1,6 +1,7 @@
 package procstat
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -269,7 +270,7 @@ func TestGather_CreateProcessErrorOk(t *testing.T) {
 		Log:       testutil.Logger{},
 		finder:    newTestFinder([]PID{pid}),
 		createProcess: func(PID) (Process, error) {
-			return nil, fmt.Errorf("createProcess error")
+			return nil, errors.New("createProcess error")
 		},
 	}
 	require.NoError(t, p.Init())

plugins/inputs/rabbitmq/rabbitmq.go

@@ -404,7 +404,7 @@ func gatherOverview(r *RabbitMQ, acc telegraf.Accumulator) {
 	}
 
 	if overview.QueueTotals == nil || overview.ObjectTotals == nil || overview.MessageStats == nil {
-		acc.AddError(fmt.Errorf("Wrong answer from rabbitmq. Probably auth issue"))
+		acc.AddError(errors.New("wrong answer from rabbitmq, probably auth issue"))
 		return
 	}
 

plugins/inputs/rabbitmq/rabbitmq_test.go

@@ -1,6 +1,7 @@
 package rabbitmq
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"net/http/httptest"
@@ -598,7 +599,7 @@ func TestRabbitMQGeneratesMetricsSet2(t *testing.T) {
 		),
 	}
 	expectedErrors := []error{
-		fmt.Errorf("error response trying to get \"/api/federation-links\": \"Object Not Found\" (reason: \"Not Found\")"),
+		errors.New("error response trying to get \"/api/federation-links\": \"Object Not Found\" (reason: \"Not Found\")"),
 	}
 
 	// Run the test
@@ -625,11 +626,11 @@ func TestRabbitMQMetricFilerts(t *testing.T) {
 	defer ts.Close()
 
 	metricErrors := map[string]error{
-		"exchange":   fmt.Errorf("getting \"/api/exchanges\" failed: 404 Not Found"),
+		"exchange":   errors.New("getting \"/api/exchanges\" failed: 404 Not Found"),
-		"federation": fmt.Errorf("getting \"/api/federation-links\" failed: 404 Not Found"),
+		"federation": errors.New("getting \"/api/federation-links\" failed: 404 Not Found"),
-		"node":       fmt.Errorf("getting \"/api/nodes\" failed: 404 Not Found"),
+		"node":       errors.New("getting \"/api/nodes\" failed: 404 Not Found"),
-		"overview":   fmt.Errorf("getting \"/api/overview\" failed: 404 Not Found"),
+		"overview":   errors.New("getting \"/api/overview\" failed: 404 Not Found"),
-		"queue":      fmt.Errorf("getting \"/api/queues\" failed: 404 Not Found"),
+		"queue":      errors.New("getting \"/api/queues\" failed: 404 Not Found"),
 	}
 
 	// Include test

plugins/inputs/redfish/redfish.go

@@ -4,6 +4,7 @@ package redfish
 import (
 	_ "embed"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -158,19 +159,19 @@ func (*Redfish) SampleConfig() string {
 
 func (r *Redfish) Init() error {
 	if r.Address == "" {
-		return fmt.Errorf("did not provide IP")
+		return errors.New("did not provide IP")
 	}
 
 	if r.Username == "" && r.Password == "" {
-		return fmt.Errorf("did not provide username and password")
+		return errors.New("did not provide username and password")
 	}
 
 	if r.ComputerSystemID == "" {
-		return fmt.Errorf("did not provide the computer system ID of the resource")
+		return errors.New("did not provide the computer system ID of the resource")
 	}
 
 	if len(r.IncludeMetrics) == 0 {
-		return fmt.Errorf("no metrics specified to collect")
+		return errors.New("no metrics specified to collect")
 	}
 	for _, metric := range r.IncludeMetrics {
 		switch metric {

plugins/inputs/redis_sentinel/redis_sentinel.go

@@ -4,6 +4,7 @@ package redis_sentinel
 import (
 	"bufio"
 	_ "embed"
+	"errors"
 	"fmt"
 	"io"
 	"net/url"
@@ -238,14 +239,14 @@ func (client *RedisSentinelClient) gatherMasterStats(acc telegraf.Accumulator) (
 	for _, master := range masters {
 		master, ok := master.([]interface{})
 		if !ok {
-			return masterNames, fmt.Errorf("unable to process master response")
+			return masterNames, errors.New("unable to process master response")
 		}
 
 		m := toMap(master)
 
 		masterName, ok := m["name"]
 		if !ok {
-			return masterNames, fmt.Errorf("unable to resolve master name")
+			return masterNames, errors.New("unable to resolve master name")
 		}
 		masterNames = append(masterNames, masterName)
 
@@ -279,7 +280,7 @@ func (client *RedisSentinelClient) gatherReplicaStats(acc telegraf.Accumulator,
 	for _, replica := range replicas {
 		replica, ok := replica.([]interface{})
 		if !ok {
-			return fmt.Errorf("unable to process replica response")
+			return errors.New("unable to process replica response")
 		}
 
 		rm := toMap(replica)
@@ -311,7 +312,7 @@ func (client *RedisSentinelClient) gatherSentinelStats(acc telegraf.Accumulator,
 	for _, sentinel := range sentinels {
 		sentinel, ok := sentinel.([]interface{})
 		if !ok {
-			return fmt.Errorf("unable to process sentinel response")
+			return errors.New("unable to process sentinel response")
 		}
 
 		sm := toMap(sentinel)

plugins/inputs/smart/smart.go

@@ -1031,7 +1031,7 @@ func parseCommaSeparatedInt(fields, _ map[string]interface{}, str string) error
 	// '16 829 004' --> 16829004
 	numRegex, err := regexp.Compile(`[^0-9\-]+`)
 	if err != nil {
-		return fmt.Errorf("failed to compile numeric regex")
+		return errors.New("failed to compile numeric regex")
 	}
 	value = numRegex.ReplaceAllString(value, "")
 

plugins/inputs/snmp/gosmi_test.go

@@ -1,7 +1,7 @@
 package snmp
 
 import (
-	"fmt"
+	"errors"
 	"path/filepath"
 	"testing"
 	"time"
@@ -612,7 +612,7 @@ func TestSnmpTranslateCache_hitGosmi(t *testing.T) {
 			oidNum:     "b",
 			oidText:    "c",
 			conversion: "d",
-			err:        fmt.Errorf("e"),
+			err:        errors.New("e"),
 		},
 	}
 	mibName, oidNum, oidText, conversion, err := getGosmiTr(t).SnmpTranslate("foo")
@@ -620,7 +620,7 @@ func TestSnmpTranslateCache_hitGosmi(t *testing.T) {
 	require.Equal(t, "b", oidNum)
 	require.Equal(t, "c", oidText)
 	require.Equal(t, "d", conversion)
-	require.Equal(t, fmt.Errorf("e"), err)
+	require.Equal(t, errors.New("e"), err)
 	gosmiSnmpTranslateCaches = nil
 }
 
@@ -645,7 +645,7 @@ func TestSnmpTableCache_hitGosmi(t *testing.T) {
 			oidNum:  "b",
 			oidText: "c",
 			fields:  []Field{{Name: "d"}},
-			err:     fmt.Errorf("e"),
+			err:     errors.New("e"),
 		},
 	}
 	mibName, oidNum, oidText, fields, err := getGosmiTr(t).SnmpTable("foo")
@@ -653,7 +653,7 @@ func TestSnmpTableCache_hitGosmi(t *testing.T) {
 	require.Equal(t, "b", oidNum)
 	require.Equal(t, "c", oidText)
 	require.Equal(t, []Field{{Name: "d"}}, fields)
-	require.Equal(t, fmt.Errorf("e"), err)
+	require.Equal(t, errors.New("e"), err)
 }
 
 func TestTableJoin_walkGosmi(t *testing.T) {

plugins/inputs/snmp/netsnmp.go

@@ -132,7 +132,7 @@ func (n *netsnmpTranslator) snmpTableCall(oid string) (
 	scanner.Scan()
 	cols := scanner.Text()
 	if len(cols) == 0 {
-		return "", "", "", nil, fmt.Errorf("could not find any columns in table")
+		return "", "", "", nil, errors.New("could not find any columns in table")
 	}
 	for _, col := range strings.Split(cols, " ") {
 		if len(col) == 0 {

plugins/inputs/snmp/snmp.go

@@ -89,7 +89,7 @@ func (s *Snmp) Init() error {
 	case "netsnmp":
 		s.translator = NewNetsnmpTranslator()
 	default:
-		return fmt.Errorf("invalid translator value")
+		return errors.New("invalid translator value")
 	}
 
 	s.connectionCache = make([]snmpConnection, len(s.Agents))
@@ -146,7 +146,7 @@ func (t *Table) Init(tr Translator) error {
 	//makes sure oid or name is set in config file
 	//otherwise snmp will produce metrics with an empty name
 	if t.Oid == "" && t.Name == "" {
-		return fmt.Errorf("SNMP table in config file is not named. One or both of the oid and name settings must be set")
+		return errors.New("SNMP table in config file is not named. One or both of the oid and name settings must be set")
 	}
 
 	if t.initialized {
@@ -165,7 +165,7 @@ func (t *Table) Init(tr Translator) error {
 		}
 		if t.Fields[i].SecondaryIndexTable {
 			if secondaryIndexTablePresent {
-				return fmt.Errorf("only one field can be SecondaryIndexTable")
+				return errors.New("only one field can be SecondaryIndexTable")
 			}
 			secondaryIndexTablePresent = true
 		}
@@ -270,11 +270,11 @@ func (f *Field) init(tr Translator) error {
 	}
 
 	if f.SecondaryIndexTable && f.SecondaryIndexUse {
-		return fmt.Errorf("SecondaryIndexTable and UseSecondaryIndex are exclusive")
+		return errors.New("SecondaryIndexTable and UseSecondaryIndex are exclusive")
 	}
 
 	if !f.SecondaryIndexTable && !f.SecondaryIndexUse && f.SecondaryOuterJoin {
-		return fmt.Errorf("SecondaryOuterJoin set to true, but field is not being used in join")
+		return errors.New("SecondaryOuterJoin set to true, but field is not being used in join")
 	}
 
 	f.initialized = true
@@ -425,13 +425,13 @@ func (t Table) Build(gs snmpConnection, walk bool, tr Translator) (*RTable, erro
 			// index, and being added on the same row.
 			if pkt, err := gs.Get([]string{oid}); err != nil {
 				if errors.Is(err, gosnmp.ErrUnknownSecurityLevel) {
-					return nil, fmt.Errorf("unknown security level (sec_level)")
+					return nil, errors.New("unknown security level (sec_level)")
 				} else if errors.Is(err, gosnmp.ErrUnknownUsername) {
-					return nil, fmt.Errorf("unknown username (sec_name)")
+					return nil, errors.New("unknown username (sec_name)")
 				} else if errors.Is(err, gosnmp.ErrWrongDigest) {
-					return nil, fmt.Errorf("wrong digest (auth_protocol, auth_password)")
+					return nil, errors.New("wrong digest (auth_protocol, auth_password)")
 				} else if errors.Is(err, gosnmp.ErrDecryption) {
-					return nil, fmt.Errorf("decryption error (priv_protocol, priv_password)")
+					return nil, errors.New("decryption error (priv_protocol, priv_password)")
 				}
 				return nil, fmt.Errorf("performing get on field %s: %w", f.Name, err)
 			} else if pkt != nil && len(pkt.Variables) > 0 && pkt.Variables[0].Type != gosnmp.NoSuchObject && pkt.Variables[0].Type != gosnmp.NoSuchInstance {