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Leader election: disable duplicate LE in provisioner lib; add lock namespacing #296

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verult
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@verult verult commented Jun 17, 2019

What type of PR is this?
/kind bug

What this PR does / why we need it: Today there are two leader election processes running - one defined in external-provisioner main, one enabled in the provisioner controller lib by default. I ran into this problem when I set leader election type to lease - the external provisioner tries to do both lease-based and endpoint-based LE.

Also adding the ability to restrict the lock resource to specific namespaces.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

A new flag --leader-election-namespace is introduced to allow the user to set where the leader election lock resource lives.

@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. kind/bug Categorizes issue or PR as related to a bug. labels Jun 17, 2019
@k8s-ci-robot k8s-ci-robot requested review from jsafrane and lpabon June 17, 2019 23:51
@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jun 17, 2019
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verult commented Jun 17, 2019

/cc @msau42

@k8s-ci-robot k8s-ci-robot requested a review from msau42 June 17, 2019 23:52
@@ -178,7 +180,7 @@ func main() {
}

// Create the provisioner: it implements the Provisioner interface expected by
// the controller
// the controllert
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typo

@verult verult force-pushed the leaderelection-disable-in-lib branch from 92c9643 to e557af7 Compare June 18, 2019 20:19
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msau42 commented Jun 18, 2019

/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jun 18, 2019
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: msau42, verult

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jun 18, 2019
@k8s-ci-robot k8s-ci-robot merged commit a17a6f2 into kubernetes-csi:master Jun 18, 2019
k8s-ci-robot added a commit that referenced this pull request Jun 18, 2019
Cherry-pick of #296: "Leader election: disable duplicate LE in provisioner lib; add lock namespacing"
k8s-ci-robot added a commit that referenced this pull request Jun 18, 2019
Cherrypick of #296: "Leader election: disable duplicate LE in provisioner lib; add lock namespacing"
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3 participants