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Service Topology implementation for Kubernetes #72046

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merged 4 commits into from
Nov 15, 2019

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m1093782566
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@m1093782566 m1093782566 commented Dec 14, 2018

What type of PR is this?

/kind api-change

/kind feature

What this PR does / why we need it:

API&Implement for feature: topology-aware service routing

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Design document of this feature is kubernetes/enhancements#640

Does this PR introduce a user-facing change?:

Support Service Topology

@k8s-ci-robot k8s-ci-robot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. needs-kind Indicates a PR lacks a `kind/foo` label and requires one. needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Dec 14, 2018
@k8s-ci-robot k8s-ci-robot added kind/api-change Categorizes issue or PR as related to adding, removing, or otherwise changing an API sig/apps Categorizes an issue or PR as relevant to SIG Apps. sig/architecture Categorizes an issue or PR as relevant to SIG Architecture. and removed needs-kind Indicates a PR lacks a `kind/foo` label and requires one. needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. labels Dec 14, 2018
@m1093782566 m1093782566 changed the title [WIP] Add service topologykeys API Add service topologykeys API Dec 14, 2018
@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Dec 14, 2018
@m1093782566 m1093782566 changed the title Add service topologykeys API Add service TopologyKeys API Dec 14, 2018
@k8s-ci-robot k8s-ci-robot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Dec 14, 2018
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/assign @thockin @johnbelamaric @wojtek-t

@k8s-ci-robot k8s-ci-robot added the kind/feature Categorizes issue or PR as related to a new feature. label Dec 14, 2018
@m1093782566 m1093782566 changed the title Add service TopologyKeys API Add Service TopologyKeys API Dec 14, 2018
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Dec 14, 2018
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Using new as a variable name is the only blocker, lgtm otherwise

// If this field is specified and all entries have no backends that match
// the topology of the client, the service has no backends for that client
// and connections should fail.
// The special value "*" may be used to mean "any node". This catch-all
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btw, this is still unresolved, can we fix in follow-up PR?

klog.Errorf("Received a watch event for a node %s that doesn't match the current node %v", node.Name, proxier.hostname)
return
}
new := node.Labels
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shouldn't use new, since it's a go keyword, can we rename to newLabels

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Yes, will fix it.

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thanks

return
}
new := node.Labels
old := proxier.nodeLabels
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oldLabels

proxier.mu.Lock()
proxier.nodeLabels = new
proxier.mu.Unlock()
if len(old) != len(new) || !reflect.DeepEqual(old, new) {
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length is already considered from reflecy.DeepEqual?

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Yes, gonna remove length comparation.

klog.Errorf("Received a watch event for a node %s that doesn't match the current node %v", node.Name, proxier.hostname)
return
}
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newLabels

return
}
new := node.Labels
old := proxier.nodeLabels
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oldLabels

klog.Errorf("Received a watch event for a node %s that doesn't match the current node %v", node.Name, proxier.hostname)
return
}
new := node.Labels
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newLabels

return
}
new := node.Labels
old := proxier.nodeLabels
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oldLabels

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/milestone v1.18

(code freeze v1.17)

@k8s-ci-robot k8s-ci-robot modified the milestones: v1.17, v1.18 Nov 15, 2019
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imroc commented Nov 15, 2019

/milestone v1.18

(code freeze v1.17)

Can we request an exception to fit this into v1.17? @thockin @andrewsykim @johnbelamaric

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/milestone v1.17

I can lgtm by EOD PST if comments are addressed, otherwise we'll file an exception (we agreed to do this in today's SIG meeting)

@k8s-ci-robot k8s-ci-robot modified the milestones: v1.18, v1.17 Nov 15, 2019
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I see comments are addressed now, thanks @imroc

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 15, 2019
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/retest

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@imroc looks like we need to update swagger docs and protobuf

@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 15, 2019
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imroc commented Nov 15, 2019

@imroc looks like we need to update swagger docs and protobuf

Yes, now it's updated and pushed.

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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 15, 2019
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imroc commented Nov 15, 2019

/retest help wanted please.

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/test pull-kubernetes-e2e-gce-100-performance

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/retest

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k8s-ci-robot commented Nov 15, 2019

@m1093782566: The following test failed, say /retest to rerun them all:

Test name Commit Details Rerun command
pull-kubernetes-node-e2e-containerd 31d623b link /test pull-kubernetes-node-e2e-containerd

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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@k8s-ci-robot k8s-ci-robot merged commit d9be37e into kubernetes:master Nov 15, 2019
@m1093782566 m1093782566 changed the title Service Topology implementation Service Topology implementation for Kubernetes Nov 15, 2019
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