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⚠️ metrics are now on by default #510

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merged 1 commit into from
Jul 2, 2019
Merged

⚠️ metrics are now on by default #510

merged 1 commit into from
Jul 2, 2019

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mengqiy
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@mengqiy mengqiy commented Jul 1, 2019 •
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It can be turn off by setting manager.Options{MetricsBindAddress: "0"}. GoDoc.
Note: If upgrading from controller-runtime v0.1.* to v0.2.0-beta.4+ and you have multiple controller tests, you may hit an error that these tests are racing to bind the same default 8080 port. And only one of them can succeed, others may fail. You may turn off the metrics in your tests in this case.

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Jul 1, 2019
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Jul 1, 2019
@mengqiy mengqiy requested a review from DirectXMan12 July 1, 2019 18:26
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droot commented Jul 1, 2019

A few more points that popped up during the conversation:

  • testenv pkg should disable metrics server by default so that tests can run in parallel by default
  • Make failure to "binding to default port 8080" obvious because people may encounter that in dev environment because 8080 being a popular port.

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mengqiy commented Jul 1, 2019

testenv pkg should disable metrics server by default so that tests can run in parallel by default

testenv pkg handles the testing control plane, it doesn't touch manager.Options.
IMO it should be when we scaffold controller tests, metrics should be disabled in manager.Options.

@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Jul 1, 2019
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mengqiy commented Jul 1, 2019

PTAL

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some minor nits.

pkg/metrics/listener.go Outdated Show resolved Hide resolved
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mengqiy commented Jul 2, 2019

PTAL

@droot droot added lgtm "Looks good to me", indicates that a PR is ready to be merged. approved Indicates a PR has been approved by an approver from all required OWNERS files. labels Jul 2, 2019
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[APPROVALNOTIFIER] This PR is APPROVED

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@k8s-ci-robot k8s-ci-robot merged commit 2495fdd into kubernetes-sigs:master Jul 2, 2019
@mengqiy mengqiy deleted the metricsdefault branch July 2, 2019 20:10
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vincepri commented Jul 3, 2019 •
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@mengqiy We're getting testing failures because multiple processes are trying to bind port 8080.

We replaced the test Manager's default Kubebuilder options with manager.Options{MetricsBindAddress: "0"}, definitely something that should go into the release notes.

PR: kubernetes-sigs/cluster-api#1107
Test logs: https://prow.k8s.io/view/gcs/kubernetes-jenkins/pr-logs/pull/sigs.k8s.io_cluster-api/1107/pull-cluster-api-test/1146217126005051403/

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mengqiy commented Jul 3, 2019

I added something in the GoDoc: https://github.com/kubernetes-sigs/controller-runtime/pull/510/files#diff-7d903b129bc883285ffc5068c39c00b0R139
I will update the release notes to make it more helpful.

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mengqiy commented Jul 3, 2019

Updated release notes and the description of this PR.

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vincepri commented Jul 3, 2019

Thank you!

sebgl added a commit to sebgl/cloud-on-k8s that referenced this pull request Oct 1, 2019
@sebgl
Disable metrics following changes in controller-runtime
1933510 
Controller-runtime metrics are now enabled by default since
kubernetes-sigs/controller-runtime#510 was
merged.
To disable metrics, we must explicitly set the port to "0".
@sebgl sebgl mentioned this pull request Oct 1, 2019
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sebgl added a commit to elastic/cloud-on-k8s that referenced this pull request Oct 1, 2019
@sebgl
Disable metrics following changes in controller-runtime (#1830)
fdcfd3f 
Controller-runtime metrics are now enabled by default since
kubernetes-sigs/controller-runtime#510 was
merged.
To disable metrics, we must explicitly set the port to "0".
@ixdy ixdy mentioned this pull request Feb 13, 2020
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@2uasimojo 2uasimojo mentioned this pull request Aug 1, 2020
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