[Jsonnet] Make metrics-generator deployment volume mounts customizable #2647
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…ownstream jsonnet from changing them via $.tempo_metrics_generator_container, make volume mounts idential between deployment and statefulset
mdisibio
requested review from
joe-elliott,
annanay25,
mapno,
yvrhdn,
zalegrala,
electron0zero,
ie-pham and
stoewer
as code owners
zalegrala
approved these changes
Jul 12, 2023
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What this PR does:
The microservices jsonnet was using
container.withVolumeMountson the generator deployment, and this prevents downstream users of the jsonnet from customizing the mounts through the$.tempo_metrics_generator_container. Except they still worked for the statefulset because it doesn't do that, which is unexpected and hard to troubleshoot.The root cause was that we were attempting to keep the volume mounts on the deployment set to
/var/tempo/walbut let the statefulset mount at/var/tempo(because of the new metrics feature that uses/var/tempo/blocks). So the fix here is both removingwithVolumeMountsand making the mounts the same between both deployment modes. This addresses the downstream customize issue, but also simplifies.Which issue(s) this PR fixes:
Fixes n/a
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]