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Add queue readiness probe package #4668

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merged 5 commits into from
Jul 10, 2019

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joshrider
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Co-authored-by: Shash Reddy [email protected]

Supports #4014

Proposed Changes

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NONE

This PR builds the adapter which converts a user-defined probe to a probe that
will be executed by queue proxy against user container.

Co-authored-by: Shash Reddy <[email protected]>
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So there's good news and bad news.

👍 The good news is that everyone that needs to sign a CLA (the pull request submitter and all commit authors) have done so. Everything is all good there.

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@googlebot googlebot added the cla: no Indicates the PR's author has not signed the CLA. label Jul 9, 2019
@knative-prow-robot knative-prow-robot added the size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. label Jul 9, 2019
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@joshrider: 1 warning.

In response to this:

Co-authored-by: Shash Reddy [email protected]

Supports #4014

Proposed Changes

Release Note

NONE

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

pkg/queue/readiness/probe.go Outdated Show resolved Hide resolved
@joshrider joshrider changed the title Prep for queue health handler for aggressive retries #4014 Prep for queue health handler for aggressive retries Jul 9, 2019
@joshrider joshrider changed the title Prep for queue health handler for aggressive retries Add queue readiness probe package Jul 9, 2019
@shashwathi
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/assign @mattmoor
/assign @vagababov

Co-authored-by: Shash Reddy <[email protected]>
@knative-prow-robot knative-prow-robot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jul 9, 2019
@knative-prow-robot knative-prow-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jul 9, 2019
pkg/queue/readiness/probe.go Outdated Show resolved Hide resolved
pkg/queue/readiness/probe.go Outdated Show resolved Hide resolved
pkg/queue/readiness/probe.go Outdated Show resolved Hide resolved
pkg/queue/health/probe_test.go Outdated Show resolved Hide resolved
pkg/queue/readiness/probe.go Show resolved Hide resolved
pkg/queue/readiness/probe.go Outdated Show resolved Hide resolved

const (
aggressiveProbeTimeout = 100 * time.Millisecond
// PollTimeout is set equal to the queue-proxy's ExecProbe timeout to take
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are those used outside the package?

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The following is the coverage report on pkg/.
Say /test pull-knative-serving-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/queue/readiness/probe.go Do not exist 100.0%
pkg/queue/readiness/probe_encoding.go Do not exist 87.5%

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Just a nit.

@@ -116,7 +116,7 @@ func TestHTTPsSchemeProbeSuccess(t *testing.T) {
}
// Connecting to the server should work
if err := HTTPProbe(config); err != nil {
t.Errorf("Expected probe to succeed but it failed with %v", err)
t.Errorf("Expected probe to succeed but failed with error %v", err)
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well, I guess this one as well 😄

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/test pull-knative-serving-integration-tests

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/test pull-knative-serving-upgrade-tests

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/lgtm
/approve

@knative-prow-robot knative-prow-robot added lgtm 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 10, 2019
@mattmoor mattmoor added cla: yes Indicates the PR's author has signed the CLA. and removed approved Indicates a PR has been approved by an approver from all required OWNERS files. cla: no Indicates the PR's author has not signed the CLA. labels Jul 10, 2019
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A Googler has manually verified that the CLAs look good.

(Googler, please make sure the reason for overriding the CLA status is clearly documented in these comments.)

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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: joshrider, mattmoor

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@knative-prow-robot knative-prow-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jul 10, 2019
@knative-prow-robot knative-prow-robot merged commit 1a9e50e into knative:master Jul 10, 2019
@joshrider joshrider deleted the probe-readiness branch August 6, 2019 15:17
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7 participants