chore: move printing of sample config file out of config.go (#11409)
This commit is contained in:
reimda
GitHub
parent
2646f3d255
commit
bd516ae587
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@ -23,6 +23,7 @@ import (
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/agent"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/config/printer"
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"github.com/influxdata/telegraf/internal"
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"github.com/influxdata/telegraf/internal/goplugin"
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"github.com/influxdata/telegraf/logger"
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@ -476,7 +477,7 @@ func main() {
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processorFilters = subProcessorFilters
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}
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config.PrintSampleConfig(
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printer.PrintSampleConfig(
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sectionFilters,
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inputFilters,
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outputFilters,
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@ -536,7 +537,7 @@ func main() {
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fmt.Println(formatFullVersion())
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return
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case *fSampleConfig:
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config.PrintSampleConfig(
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printer.PrintSampleConfig(
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sectionFilters,
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inputFilters,
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outputFilters,
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@ -545,8 +546,8 @@ func main() {
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)
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return
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case *fUsage != "":
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err := config.PrintInputConfig(*fUsage)
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err2 := config.PrintOutputConfig(*fUsage)
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err := printer.PrintInputConfig(*fUsage)
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err2 := printer.PrintOutputConfig(*fUsage)
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if err != nil && err2 != nil {
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log.Fatalf("E! %s and %s", err, err2)
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}
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336
config/config.go
336
config/config.go
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@ -39,17 +39,6 @@ import (
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)
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var (
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// Default sections
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sectionDefaults = []string{"global_tags", "agent", "outputs",
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"processors", "aggregators", "inputs"}
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// Default input plugins
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inputDefaults = []string{"cpu", "mem", "swap", "system", "kernel",
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"processes", "disk", "diskio"}
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// Default output plugins
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outputDefaults = []string{"influxdb"}
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// envVarRe is a regex to find environment variables in the config file
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envVarRe = regexp.MustCompile(`\$\{(\w+)\}|\$(\w+)`)
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@ -315,309 +304,6 @@ func (c *Config) ListTags() string {
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return strings.Join(tags, " ")
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}
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var header = `# Telegraf Configuration
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#
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# Telegraf is entirely plugin driven. All metrics are gathered from the
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# declared inputs, and sent to the declared outputs.
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#
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# Plugins must be declared in here to be active.
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# To deactivate a plugin, comment out the name and any variables.
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#
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# Use 'telegraf -config telegraf.conf -test' to see what metrics a config
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# file would generate.
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#
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# Environment variables can be used anywhere in this config file, simply surround
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# them with ${}. For strings the variable must be within quotes (ie, "${STR_VAR}"),
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# for numbers and booleans they should be plain (ie, ${INT_VAR}, ${BOOL_VAR})
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`
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var globalTagsConfig = `
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# Global tags can be specified here in key="value" format.
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[global_tags]
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# dc = "us-east-1" # will tag all metrics with dc=us-east-1
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# rack = "1a"
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## Environment variables can be used as tags, and throughout the config file
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# user = "$USER"
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`
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// DO NOT REMOVE THE NEXT TWO LINES! This is required to embed the agentConfig data.
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//go:embed agent.conf
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var agentConfig string
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var outputHeader = `
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###############################################################################
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# OUTPUT PLUGINS #
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###############################################################################
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`
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var processorHeader = `
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###############################################################################
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# PROCESSOR PLUGINS #
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###############################################################################
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`
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var aggregatorHeader = `
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###############################################################################
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# AGGREGATOR PLUGINS #
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###############################################################################
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`
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var inputHeader = `
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###############################################################################
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# INPUT PLUGINS #
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###############################################################################
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`
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var serviceInputHeader = `
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###############################################################################
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# SERVICE INPUT PLUGINS #
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###############################################################################
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`
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// PrintSampleConfig prints the sample config
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func PrintSampleConfig(
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sectionFilters []string,
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inputFilters []string,
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outputFilters []string,
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aggregatorFilters []string,
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processorFilters []string,
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) {
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// print headers
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fmt.Print(header)
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if len(sectionFilters) == 0 {
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sectionFilters = sectionDefaults
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}
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printFilteredGlobalSections(sectionFilters)
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// print output plugins
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if sliceContains("outputs", sectionFilters) {
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if len(outputFilters) != 0 {
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if len(outputFilters) >= 3 && outputFilters[1] != "none" {
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fmt.Print(outputHeader)
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}
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printFilteredOutputs(outputFilters, false)
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} else {
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fmt.Print(outputHeader)
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printFilteredOutputs(outputDefaults, false)
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// Print non-default outputs, commented
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var pnames []string
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for pname := range outputs.Outputs {
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if !sliceContains(pname, outputDefaults) {
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pnames = append(pnames, pname)
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}
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}
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sort.Strings(pnames)
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printFilteredOutputs(pnames, true)
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}
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}
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// print processor plugins
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if sliceContains("processors", sectionFilters) {
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if len(processorFilters) != 0 {
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if len(processorFilters) >= 3 && processorFilters[1] != "none" {
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fmt.Print(processorHeader)
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}
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printFilteredProcessors(processorFilters, false)
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} else {
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fmt.Print(processorHeader)
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pnames := []string{}
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for pname := range processors.Processors {
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pnames = append(pnames, pname)
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}
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sort.Strings(pnames)
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printFilteredProcessors(pnames, true)
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}
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}
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// print aggregator plugins
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if sliceContains("aggregators", sectionFilters) {
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if len(aggregatorFilters) != 0 {
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if len(aggregatorFilters) >= 3 && aggregatorFilters[1] != "none" {
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fmt.Print(aggregatorHeader)
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}
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printFilteredAggregators(aggregatorFilters, false)
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} else {
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fmt.Print(aggregatorHeader)
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pnames := []string{}
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for pname := range aggregators.Aggregators {
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pnames = append(pnames, pname)
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}
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sort.Strings(pnames)
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printFilteredAggregators(pnames, true)
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}
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}
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// print input plugins
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if sliceContains("inputs", sectionFilters) {
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if len(inputFilters) != 0 {
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if len(inputFilters) >= 3 && inputFilters[1] != "none" {
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fmt.Print(inputHeader)
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}
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printFilteredInputs(inputFilters, false)
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} else {
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fmt.Print(inputHeader)
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printFilteredInputs(inputDefaults, false)
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// Print non-default inputs, commented
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var pnames []string
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for pname := range inputs.Inputs {
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if !sliceContains(pname, inputDefaults) {
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pnames = append(pnames, pname)
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}
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}
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sort.Strings(pnames)
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printFilteredInputs(pnames, true)
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}
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}
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}
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func printFilteredProcessors(processorFilters []string, commented bool) {
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// Filter processors
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var pnames []string
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for pname := range processors.Processors {
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if sliceContains(pname, processorFilters) {
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pnames = append(pnames, pname)
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}
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}
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sort.Strings(pnames)
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// Print Outputs
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for _, pname := range pnames {
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creator := processors.Processors[pname]
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output := creator()
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printConfig(pname, output, "processors", commented, processors.Deprecations[pname])
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}
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}
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func printFilteredAggregators(aggregatorFilters []string, commented bool) {
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// Filter outputs
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var anames []string
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for aname := range aggregators.Aggregators {
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if sliceContains(aname, aggregatorFilters) {
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anames = append(anames, aname)
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}
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}
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sort.Strings(anames)
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// Print Outputs
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for _, aname := range anames {
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creator := aggregators.Aggregators[aname]
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output := creator()
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printConfig(aname, output, "aggregators", commented, aggregators.Deprecations[aname])
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}
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}
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func printFilteredInputs(inputFilters []string, commented bool) {
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// Filter inputs
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var pnames []string
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for pname := range inputs.Inputs {
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if sliceContains(pname, inputFilters) {
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pnames = append(pnames, pname)
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}
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}
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sort.Strings(pnames)
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// cache service inputs to print them at the end
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servInputs := make(map[string]telegraf.ServiceInput)
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// for alphabetical looping:
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servInputNames := []string{}
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// Print Inputs
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for _, pname := range pnames {
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// Skip inputs that are registered twice for backward compatibility
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switch pname {
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case "cisco_telemetry_gnmi", "io", "KNXListener":
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continue
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}
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creator := inputs.Inputs[pname]
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input := creator()
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if p, ok := input.(telegraf.ServiceInput); ok {
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servInputs[pname] = p
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servInputNames = append(servInputNames, pname)
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continue
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}
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printConfig(pname, input, "inputs", commented, inputs.Deprecations[pname])
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}
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// Print Service Inputs
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if len(servInputs) == 0 {
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return
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}
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sort.Strings(servInputNames)
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fmt.Print(serviceInputHeader)
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for _, name := range servInputNames {
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printConfig(name, servInputs[name], "inputs", commented, inputs.Deprecations[name])
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}
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}
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func printFilteredOutputs(outputFilters []string, commented bool) {
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// Filter outputs
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var onames []string
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for oname := range outputs.Outputs {
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if sliceContains(oname, outputFilters) {
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onames = append(onames, oname)
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}
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}
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sort.Strings(onames)
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// Print Outputs
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for _, oname := range onames {
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creator := outputs.Outputs[oname]
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output := creator()
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printConfig(oname, output, "outputs", commented, outputs.Deprecations[oname])
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}
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}
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func printFilteredGlobalSections(sectionFilters []string) {
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if sliceContains("global_tags", sectionFilters) {
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fmt.Print(globalTagsConfig)
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}
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if sliceContains("agent", sectionFilters) {
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fmt.Print(agentConfig)
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}
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}
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func printConfig(name string, p telegraf.PluginDescriber, op string, commented bool, di telegraf.DeprecationInfo) {
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comment := ""
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if commented {
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comment = "# "
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}
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if di.Since != "" {
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removalNote := ""
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if di.RemovalIn != "" {
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removalNote = " and will be removed in " + di.RemovalIn
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}
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fmt.Printf("\n%s ## DEPRECATED: The '%s' plugin is deprecated in version %s%s, %s.", comment, name, di.Since, removalNote, di.Notice)
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}
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config := p.SampleConfig()
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if config == "" {
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fmt.Printf("\n#[[%s.%s]]", op, name)
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fmt.Printf("\n%s # no configuration\n\n", comment)
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} else {
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lines := strings.Split(config, "\n")
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fmt.Print("\n")
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for i, line := range lines {
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if i == len(lines)-1 {
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fmt.Print("\n")
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continue
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}
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fmt.Print(strings.TrimRight(comment+line, " ") + "\n")
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}
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}
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}
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func sliceContains(name string, list []string) bool {
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for _, b := range list {
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if b == name {
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@ -627,28 +313,6 @@ func sliceContains(name string, list []string) bool {
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return false
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}
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// PrintInputConfig prints the config usage of a single input.
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func PrintInputConfig(name string) error {
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creator, ok := inputs.Inputs[name]
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if !ok {
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return fmt.Errorf("input %s not found", name)
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}
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printConfig(name, creator(), "inputs", false, inputs.Deprecations[name])
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return nil
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}
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// PrintOutputConfig prints the config usage of a single output.
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func PrintOutputConfig(name string) error {
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creator, ok := outputs.Outputs[name]
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if !ok {
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return fmt.Errorf("output %s not found", name)
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}
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printConfig(name, creator(), "outputs", false, outputs.Deprecations[name])
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return nil
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}
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// LoadDirectory loads all toml config files found in the specified path, recursively.
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func (c *Config) LoadDirectory(path string) error {
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walkfn := func(thispath string, info os.FileInfo, _ error) error {
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|
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@ -0,0 +1,381 @@
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package printer
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import (
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_ "embed"
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"fmt"
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"sort"
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"strings"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/aggregators"
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"github.com/influxdata/telegraf/plugins/inputs"
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"github.com/influxdata/telegraf/plugins/outputs"
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"github.com/influxdata/telegraf/plugins/processors"
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)
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var (
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// Default sections
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sectionDefaults = []string{"global_tags", "agent", "outputs",
|
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"processors", "aggregators", "inputs"}
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|
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// Default input plugins
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inputDefaults = []string{"cpu", "mem", "swap", "system", "kernel",
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"processes", "disk", "diskio"}
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// Default output plugins
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outputDefaults = []string{"influxdb"}
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)
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var header = `# Telegraf Configuration
|
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#
|
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# Telegraf is entirely plugin driven. All metrics are gathered from the
|
||||
# declared inputs, and sent to the declared outputs.
|
||||
#
|
||||
# Plugins must be declared in here to be active.
|
||||
# To deactivate a plugin, comment out the name and any variables.
|
||||
#
|
||||
# Use 'telegraf -config telegraf.conf -test' to see what metrics a config
|
||||
# file would generate.
|
||||
#
|
||||
# Environment variables can be used anywhere in this config file, simply surround
|
||||
# them with ${}. For strings the variable must be within quotes (ie, "${STR_VAR}"),
|
||||
# for numbers and booleans they should be plain (ie, ${INT_VAR}, ${BOOL_VAR})
|
||||
|
||||
`
|
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var globalTagsConfig = `
|
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# Global tags can be specified here in key="value" format.
|
||||
[global_tags]
|
||||
# dc = "us-east-1" # will tag all metrics with dc=us-east-1
|
||||
# rack = "1a"
|
||||
## Environment variables can be used as tags, and throughout the config file
|
||||
# user = "$USER"
|
||||
|
||||
`
|
||||
|
||||
// DO NOT REMOVE THE NEXT TWO LINES! This is required to embed the agentConfig data.
|
||||
//go:embed agent.conf
|
||||
var agentConfig string
|
||||
|
||||
var outputHeader = `
|
||||
###############################################################################
|
||||
# OUTPUT PLUGINS #
|
||||
###############################################################################
|
||||
|
||||
`
|
||||
|
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var processorHeader = `
|
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###############################################################################
|
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# PROCESSOR PLUGINS #
|
||||
###############################################################################
|
||||
|
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`
|
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|
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var aggregatorHeader = `
|
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###############################################################################
|
||||
# AGGREGATOR PLUGINS #
|
||||
###############################################################################
|
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|
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`
|
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|
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var inputHeader = `
|
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###############################################################################
|
||||
# INPUT PLUGINS #
|
||||
###############################################################################
|
||||
|
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`
|
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|
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var serviceInputHeader = `
|
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###############################################################################
|
||||
# SERVICE INPUT PLUGINS #
|
||||
###############################################################################
|
||||
|
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`
|
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|
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func sliceContains(name string, list []string) bool {
|
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for _, b := range list {
|
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if b == name {
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return true
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}
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}
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return false
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}
|
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|
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// PrintSampleConfig prints the sample config
|
||||
func PrintSampleConfig(
|
||||
sectionFilters []string,
|
||||
inputFilters []string,
|
||||
outputFilters []string,
|
||||
aggregatorFilters []string,
|
||||
processorFilters []string,
|
||||
) {
|
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// print headers
|
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fmt.Print(header)
|
||||
|
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if len(sectionFilters) == 0 {
|
||||
sectionFilters = sectionDefaults
|
||||
}
|
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printFilteredGlobalSections(sectionFilters)
|
||||
|
||||
// print output plugins
|
||||
if sliceContains("outputs", sectionFilters) {
|
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if len(outputFilters) != 0 {
|
||||
if len(outputFilters) >= 3 && outputFilters[1] != "none" {
|
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fmt.Print(outputHeader)
|
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}
|
||||
printFilteredOutputs(outputFilters, false)
|
||||
} else {
|
||||
fmt.Print(outputHeader)
|
||||
printFilteredOutputs(outputDefaults, false)
|
||||
// Print non-default outputs, commented
|
||||
var pnames []string
|
||||
for pname := range outputs.Outputs {
|
||||
if !sliceContains(pname, outputDefaults) {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
printFilteredOutputs(pnames, true)
|
||||
}
|
||||
}
|
||||
|
||||
// print processor plugins
|
||||
if sliceContains("processors", sectionFilters) {
|
||||
if len(processorFilters) != 0 {
|
||||
if len(processorFilters) >= 3 && processorFilters[1] != "none" {
|
||||
fmt.Print(processorHeader)
|
||||
}
|
||||
printFilteredProcessors(processorFilters, false)
|
||||
} else {
|
||||
fmt.Print(processorHeader)
|
||||
pnames := []string{}
|
||||
for pname := range processors.Processors {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
printFilteredProcessors(pnames, true)
|
||||
}
|
||||
}
|
||||
|
||||
// print aggregator plugins
|
||||
if sliceContains("aggregators", sectionFilters) {
|
||||
if len(aggregatorFilters) != 0 {
|
||||
if len(aggregatorFilters) >= 3 && aggregatorFilters[1] != "none" {
|
||||
fmt.Print(aggregatorHeader)
|
||||
}
|
||||
printFilteredAggregators(aggregatorFilters, false)
|
||||
} else {
|
||||
fmt.Print(aggregatorHeader)
|
||||
pnames := []string{}
|
||||
for pname := range aggregators.Aggregators {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
printFilteredAggregators(pnames, true)
|
||||
}
|
||||
}
|
||||
|
||||
// print input plugins
|
||||
if sliceContains("inputs", sectionFilters) {
|
||||
if len(inputFilters) != 0 {
|
||||
if len(inputFilters) >= 3 && inputFilters[1] != "none" {
|
||||
fmt.Print(inputHeader)
|
||||
}
|
||||
printFilteredInputs(inputFilters, false)
|
||||
} else {
|
||||
fmt.Print(inputHeader)
|
||||
printFilteredInputs(inputDefaults, false)
|
||||
// Print non-default inputs, commented
|
||||
var pnames []string
|
||||
for pname := range inputs.Inputs {
|
||||
if !sliceContains(pname, inputDefaults) {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
printFilteredInputs(pnames, true)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// PluginNameCounts returns a list of sorted plugin names and their count
|
||||
func PluginNameCounts(plugins []string) []string {
|
||||
names := make(map[string]int)
|
||||
for _, plugin := range plugins {
|
||||
names[plugin]++
|
||||
}
|
||||
|
||||
var namecount []string
|
||||
for name, count := range names {
|
||||
if count == 1 {
|
||||
namecount = append(namecount, name)
|
||||
} else {
|
||||
namecount = append(namecount, fmt.Sprintf("%s (%dx)", name, count))
|
||||
}
|
||||
}
|
||||
|
||||
sort.Strings(namecount)
|
||||
return namecount
|
||||
}
|
||||
|
||||
func printFilteredProcessors(processorFilters []string, commented bool) {
|
||||
// Filter processors
|
||||
var pnames []string
|
||||
for pname := range processors.Processors {
|
||||
if sliceContains(pname, processorFilters) {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
|
||||
// Print Outputs
|
||||
for _, pname := range pnames {
|
||||
creator := processors.Processors[pname]
|
||||
output := creator()
|
||||
printConfig(pname, output, "processors", commented, processors.Deprecations[pname])
|
||||
}
|
||||
}
|
||||
|
||||
func printFilteredAggregators(aggregatorFilters []string, commented bool) {
|
||||
// Filter outputs
|
||||
var anames []string
|
||||
for aname := range aggregators.Aggregators {
|
||||
if sliceContains(aname, aggregatorFilters) {
|
||||
anames = append(anames, aname)
|
||||
}
|
||||
}
|
||||
sort.Strings(anames)
|
||||
|
||||
// Print Outputs
|
||||
for _, aname := range anames {
|
||||
creator := aggregators.Aggregators[aname]
|
||||
output := creator()
|
||||
printConfig(aname, output, "aggregators", commented, aggregators.Deprecations[aname])
|
||||
}
|
||||
}
|
||||
|
||||
func printFilteredInputs(inputFilters []string, commented bool) {
|
||||
// Filter inputs
|
||||
var pnames []string
|
||||
for pname := range inputs.Inputs {
|
||||
if sliceContains(pname, inputFilters) {
|
||||
pnames = append(pnames, pname)
|
||||
}
|
||||
}
|
||||
sort.Strings(pnames)
|
||||
|
||||
// cache service inputs to print them at the end
|
||||
servInputs := make(map[string]telegraf.ServiceInput)
|
||||
// for alphabetical looping:
|
||||
servInputNames := []string{}
|
||||
|
||||
// Print Inputs
|
||||
for _, pname := range pnames {
|
||||
// Skip inputs that are registered twice for backward compatibility
|
||||
switch pname {
|
||||
case "cisco_telemetry_gnmi", "io", "KNXListener":
|
||||
continue
|
||||
}
|
||||
creator := inputs.Inputs[pname]
|
||||
input := creator()
|
||||
|
||||
if p, ok := input.(telegraf.ServiceInput); ok {
|
||||
servInputs[pname] = p
|
||||
servInputNames = append(servInputNames, pname)
|
||||
continue
|
||||
}
|
||||
|
||||
printConfig(pname, input, "inputs", commented, inputs.Deprecations[pname])
|
||||
}
|
||||
|
||||
// Print Service Inputs
|
||||
if len(servInputs) == 0 {
|
||||
return
|
||||
}
|
||||
sort.Strings(servInputNames)
|
||||
|
||||
fmt.Print(serviceInputHeader)
|
||||
for _, name := range servInputNames {
|
||||
printConfig(name, servInputs[name], "inputs", commented, inputs.Deprecations[name])
|
||||
}
|
||||
}
|
||||
|
||||
func printFilteredOutputs(outputFilters []string, commented bool) {
|
||||
// Filter outputs
|
||||
var onames []string
|
||||
for oname := range outputs.Outputs {
|
||||
if sliceContains(oname, outputFilters) {
|
||||
onames = append(onames, oname)
|
||||
}
|
||||
}
|
||||
sort.Strings(onames)
|
||||
|
||||
// Print Outputs
|
||||
for _, oname := range onames {
|
||||
creator := outputs.Outputs[oname]
|
||||
output := creator()
|
||||
printConfig(oname, output, "outputs", commented, outputs.Deprecations[oname])
|
||||
}
|
||||
}
|
||||
|
||||
func printFilteredGlobalSections(sectionFilters []string) {
|
||||
if sliceContains("global_tags", sectionFilters) {
|
||||
fmt.Print(globalTagsConfig)
|
||||
}
|
||||
|
||||
if sliceContains("agent", sectionFilters) {
|
||||
fmt.Print(agentConfig)
|
||||
}
|
||||
}
|
||||
|
||||
func printConfig(name string, p telegraf.PluginDescriber, op string, commented bool, di telegraf.DeprecationInfo) {
|
||||
comment := ""
|
||||
if commented {
|
||||
comment = "# "
|
||||
}
|
||||
|
||||
if di.Since != "" {
|
||||
removalNote := ""
|
||||
if di.RemovalIn != "" {
|
||||
removalNote = " and will be removed in " + di.RemovalIn
|
||||
}
|
||||
fmt.Printf("\n%s ## DEPRECATED: The '%s' plugin is deprecated in version %s%s, %s.", comment, name, di.Since, removalNote, di.Notice)
|
||||
}
|
||||
|
||||
config := p.SampleConfig()
|
||||
if config == "" {
|
||||
fmt.Printf("\n#[[%s.%s]]", op, name)
|
||||
fmt.Printf("\n%s # no configuration\n\n", comment)
|
||||
} else {
|
||||
lines := strings.Split(config, "\n")
|
||||
fmt.Print("\n")
|
||||
for i, line := range lines {
|
||||
if i == len(lines)-1 {
|
||||
fmt.Print("\n")
|
||||
continue
|
||||
}
|
||||
fmt.Print(strings.TrimRight(comment+line, " ") + "\n")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// PrintInputConfig prints the config usage of a single input.
|
||||
func PrintInputConfig(name string) error {
|
||||
creator, ok := inputs.Inputs[name]
|
||||
if !ok {
|
||||
return fmt.Errorf("input %s not found", name)
|
||||
}
|
||||
|
||||
printConfig(name, creator(), "inputs", false, inputs.Deprecations[name])
|
||||
return nil
|
||||
}
|
||||
|
||||
// PrintOutputConfig prints the config usage of a single output.
|
||||
func PrintOutputConfig(name string) error {
|
||||
creator, ok := outputs.Outputs[name]
|
||||
if !ok {
|
||||
return fmt.Errorf("output %s not found", name)
|
||||
}
|
||||
|
||||
printConfig(name, creator(), "outputs", false, outputs.Deprecations[name])
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in New Issue