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Version not included in promtail user-agent #4686

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klausenbusk opened this issue Nov 7, 2021 · 1 comment · Fixed by #4716
Closed

Version not included in promtail user-agent #4686

klausenbusk opened this issue Nov 7, 2021 · 1 comment · Fixed by #4716

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@klausenbusk
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Describe the bug
The promtail user-agent doesn't include the version.

To Reproduce
Steps to reproduce the behavior:

  1. Start the promtail Docker image (docker.io/grafana/promtail:2.4.0) with a client config pointing to some server
  2. Wait for promtail to push logs

Expected behavior
The user-agent should be promtail/2.4.0

Environment:

  • Infrastructure: bare-metal
  • Deployment tool: Docker

Screenshots, Promtail config, or terminal output
Nginx log:

x.x.x.x monitoring.domain.tld - [07/Nov/2021:16:25:44 +0000] "POST /loki/api/v1/push HTTP/1.1" 302 0 "-" "promtail/" "-" 0.002

Version:

root@eeb8923229d1:/# promtail --version
promtail, version 2.4.0 (branch: HEAD, revision: 3987933cd)
  build user:       root@fc19e7dd4bc0
  build date:       2021-11-05T20:46:40Z
  go version:       go1.17.2
  platform:         linux/amd64
@cyriltovena
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Yeah it seems that the code for the agent will be run before the version initialization here.

https://github.com/grafana/loki/blob/main/pkg/util/build/build.go#L23

cyriltovena added a commit to cyriltovena/loki that referenced this issue Nov 9, 2021
This was because promtail client was still user the old version.Version which is initialized at run-time via init.

But if we use it also at init time there's no guarantee that the version will be set.

So intead I'm using the original version variable stamped in the binary and not at runtime.

Fixes grafana#4686

Signed-off-by: Cyril Tovena <[email protected]>
dannykopping pushed a commit that referenced this issue Nov 9, 2021
This was because promtail client was still user the old version.Version which is initialized at run-time via init.

But if we use it also at init time there's no guarantee that the version will be set.

So intead I'm using the original version variable stamped in the binary and not at runtime.

Fixes #4686

Signed-off-by: Cyril Tovena <[email protected]>
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2 participants