Systemd does not see all shutdowns as failures

[djsly]

[root@<hostname> ~]# systemctl status telegraf -l
● telegraf.service - The plugin-driven server agent for reporting metrics into InfluxDB
   Loaded: loaded (/usr/lib/systemd/system/telegraf.service; enabled; vendor preset: disabled)
   Active: inactive (dead) since Tue 2017-04-25 10:33:40 EDT; 14min ago
     Docs: https://github.com/influxdata/telegraf
 Main PID: 7857 (code=killed, signal=PIPE)

This occurs when we restart systemd-journald, which cause a crash/stop of telegraph seen as a STDPIPE

See hashicorp/consul#1688 for more details and an example fix for prometheus. voxpupuli/puppet-prometheus#3

Required for all PRs:

• CHANGELOG.md updated (we recommend not updating this until the PR has been approved by a maintainer)
• Sign CLA (if not already signed)
• README.md updated (if adding a new plugin)