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jsonnet: run pyrra only on amd64 nodes with configured resource requests #1720

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Description

Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request.
If it fixes a bug or resolves a feature request, be sure to link to that issue.

Solving #1718

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What type of changes does your code introduce to the kube-prometheus? Put an x in the box that apply.

  • CHANGE (fix or feature that would cause existing functionality to not work as expected)
  • FEATURE (non-breaking change which adds functionality)
  • BUGFIX (non-breaking change which fixes an issue)
  • ENHANCEMENT (non-breaking change which improves existing functionality)
  • NONE (if none of the other choices apply. Example, tooling, build system, CI, docs, etc.)

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jsonnet: run pyrra only on amd64 nodes with configured resource requests

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@metalmatze metalmatze left a comment

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Nice work!

We can also work on arm images for Pyrra, if that's something people want.

@@ -22,6 +22,11 @@
namespace:: error 'must provide namespace',
version:: error 'must provide version',
image: error 'must provide image',
resources: {
// TODO(paulfantom): configure limits when we have more operational data
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Pyrra has a built in cache for graphs. This can, by default, be up to 512MiB. We can make this configurable in Pyrra and set this, plus some extra, as it's limit.

resources: {
// TODO(paulfantom): configure limits when we have more operational data
// limits: { cpu: '100m', memory: '100Mi' },
requests: { cpu: '4m', memory: '100Mi' },
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This might get the API throttled just a bit too much. Currently, we convert the time series into another format.

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Since the most important part of this PR is to allow easy customization of those resources and not figure out the best possible values, I've removed cpu resource requirements and left only memory ones. We can change this later on.

Signed-off-by: Paweł Krupa (paulfantom) <pawel@krupa.net.pl>
@@ -72,10 +76,10 @@
image: pyrra._config.image,
args: [
'api',
'--api-url=http://%s.%s.svc.cluster.local:9444' % [pyrra.kubernetesService.metadata.name, pyrra.kubernetesService.metadata.namespace],
'--prometheus-url=http://prometheus-k8s.%s.svc.cluster.local:9090' % pyrra._config.namespace,
'--api-url=http://%s.%s.svc:9444' % [pyrra.kubernetesService.metadata.name, pyrra.kubernetesService.metadata.namespace],
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I've removed cluster.local as not all clusters use this DNS suffix.

nodeSelector: { 'kubernetes.io/os': 'linux' },
nodeSelector: {
'kubernetes.io/os': 'linux',
'kubernetes.io/arch': 'amd64',
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This can be removed when pyrra publishes arm64 images (WIP: pyrra-dev/pyrra#249)

@paulfantom paulfantom marked this pull request as ready for review April 25, 2022 11:17
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@yeya24 yeya24 left a comment

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This lgtm. When can we get this merged? @metalmatze

@github-actions github-actions bot added the stale label Jul 26, 2022
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3 participants