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feat: add systemd notify support (#10340)

This commit is contained in:
Josef Johansson 2022-01-05 16:21:14 +01:00 committed by GitHub
parent 381dc22723
commit 876d19081e
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5 changed files with 12 additions and 0 deletions
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8
cmd/telegraf/telegraf.go
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@ -15,6 +15,8 @@ import (
"syscall"
"time"
"github.com/coreos/go-systemd/daemon"
"github.com/fatih/color"
"github.com/influxdata/tail/watch"
@ -281,6 +283,12 @@ func runAgent(ctx context.Context,
log.Printf("W! Deprecated outputs: %d and %d options", count[0], count[1])
}
// Notify systemd that telegraf is ready
// SdNotify() only tries to notify if the NOTIFY_SOCKET environment is set, so it's safe to call when systemd isn't present.
// Ignore the return values here because they're not valid for platforms that don't use systemd.
// For platforms that use systemd, telegraf doesn't log if the notification failed.
_, _ = daemon.SdNotify(false, daemon.SdNotifyReady)
if *fRunOnce {
wait := time.Duration(*fTestWait) * time.Second
return ag.Once(ctx, wait)

1
docs/LICENSE_OF_DEPENDENCIES.md
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@ -66,6 +66,7 @@ following works:
- github.com/cisco-ie/nx-telemetry-proto [Apache License 2.0](https://github.com/cisco-ie/nx-telemetry-proto/blob/master/LICENSE)
- github.com/containerd/containerd [Apache License 2.0](https://github.com/containerd/containerd/blob/master/LICENSE)
- github.com/coreos/go-semver [Apache License 2.0](https://github.com/coreos/go-semver/blob/main/LICENSE)
- github.com/coreos/go-systemd [Apache License 2.0](https://github.com/coreos/go-systemd/blob/main/LICENSE)
- github.com/couchbase/go-couchbase [MIT License](https://github.com/couchbase/go-couchbase/blob/master/LICENSE)
- github.com/couchbase/gomemcached [MIT License](https://github.com/couchbase/gomemcached/blob/master/LICENSE)
- github.com/couchbase/goutils [Apache License 2.0](https://github.com/couchbase/goutils/blob/master/LICENSE.md)

1
go.mod
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@ -42,6 +42,7 @@ require (
github.com/caio/go-tdigest v3.1.0+incompatible
github.com/cisco-ie/nx-telemetry-proto v0.0.0-20190531143454-82441e232cf6
github.com/coreos/go-semver v0.3.0
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f
github.com/couchbase/go-couchbase v0.1.0
github.com/denisenkom/go-mssqldb v0.10.0
github.com/dimchansky/utfbom v1.1.1

1
go.sum
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@ -600,6 +600,7 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f h1:JOrtw2xFKzlg+cbHpyrpLDmnN1HqhBfnX7WDiW7eG2c=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=

1
scripts/telegraf.service
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@ -4,6 +4,7 @@ Documentation=https://github.com/influxdata/telegraf
After=network.target
[Service]
Type=notify
EnvironmentFile=-/etc/default/telegraf
User=telegraf
ExecStart=/usr/bin/telegraf -config /etc/telegraf/telegraf.conf -config-directory /etc/telegraf/telegraf.d $TELEGRAF_OPTS