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etcd watcher: centralize error handling #32907

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merged 1 commit into from
Sep 19, 2016
Merged

etcd watcher: centralize error handling #32907

merged 1 commit into from
Sep 19, 2016

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hongchaodeng
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@hongchaodeng hongchaodeng commented Sep 16, 2016 •
edited by jessfraz

We should centralize error handling in watcher in run(). Otherwise this could silently return.

Also we don't need the grpc code checking anymore. It's fixed.

etcd: watcher centralize error handling

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@k8s-github-robot k8s-github-robot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. release-note-label-needed labels Sep 16, 2016
@hongchaodeng
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cc @timothysc @xiang90

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@k8s-bot test this issue: #IGNORE

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no previous test result is found...

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k8s-bot commented Sep 17, 2016

GCE e2e build/test passed for commit 5a4a095.

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@k8s-bot unit test this issue: #32770

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hongchaodeng commented Sep 17, 2016 •
edited

Can we move forward this?
This could help narrow the problem scope of the watch issue.

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@wojtek-t Can you review this?

@hongchaodeng hongchaodeng mentioned this pull request Sep 19, 2016
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@timothysc timothysc self-assigned this Sep 19, 2016
@timothysc timothysc added area/etcd release-note-none Denotes a PR that doesn't merit a release note. and removed release-note-label-needed labels Sep 19, 2016
timothysc
timothysc reviewed Sep 19, 2016
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pkg/storage/etcd3/watcher.go
@@ -109,6 +107,10 @@ func (wc *watchChan) run() {

select {
case err := <-wc.errChan:
if err == context.Canceled {
wc.cancel() // just in case
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I'm slightly confused why you would cancel the context when it already came back as canceled?

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This is sort of last defense line -- what if we get context.Canceled but wc.ctx isn't canceled.
We want to make sure all goroutines in etcd3 watcher to stop regardlessly.

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LGTM

@hongchaodeng - I'm OOO this week - please don't expect any actions from me this week in general.

@wojtek-t wojtek-t added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 19, 2016
@timothysc timothysc added the priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. label Sep 19, 2016
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@k8s-bot test this [submit-queue is verifying that this PR is safe to merge]

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k8s-bot commented Sep 19, 2016

GCE e2e build/test passed for commit 5a4a095.

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Automatic merge from submit-queue

@k8s-github-robot k8s-github-robot merged commit 4bfebf0 into kubernetes:master Sep 19, 2016
@hongchaodeng hongchaodeng deleted the etcd_fix branch September 19, 2016 20:10
@timothysc timothysc mentioned this pull request Sep 19, 2016
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Removing label cherrypick-candidate because no release milestone was set. This is an invalid state and thus this PR is not being considered for cherry-pick to any release branch. Please add an appropriate release milestone and then re-add the label.

@wojtek-t wojtek-t added this to the v1.4 milestone Oct 19, 2016
@wojtek-t wojtek-t mentioned this pull request Oct 20, 2016
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@jessfraz jessfraz added release-note Denotes a PR that will be considered when it comes time to generate release notes. cherry-pick-approved Indicates a cherry-pick PR into a release branch has been approved by the release branch manager. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Oct 20, 2016
k8s-github-robot pushed a commit that referenced this pull request Oct 21, 2016
Merge pull request #35205 from wojtek-t/automated-cherry-pick-of-#31189-
bdbe2e1 
#31704-#32831-#32907-#33003-#33349-#31190-#33581-#34089-#34234-#32822-#33393-#34246-#34435-#32477-upstream-release-1.4

Automatic merge from submit-queue

Automated cherry pick of #31189 #31704 #32831 #32907 #33003 #33349 #31190 #33581 #34089 #34234 #32822 #33393 #34246 #34435 #32477 upstream release 1.4

We are going to release etcd v3 in 1.4.x release.

```
Cherrypick etcd v3-related bug fixes to 1.4 branch
```

Those PRs include:
- Updates of etcd Godeps
- Update to pkg/storage/etcd directory
- Two PR that were unnecessary to avoid conflicts: #31189 #31704

Automated cherry pick of #31189 #31704 #32831 #32907 #33003 #33349 #31190 #33581 #34089 #34234 #32822 #33393 #34246 #34435 #32477

@hongchaodeng @xiang90 @lavalamp @smarterclayton
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Commit found in the "release-1.4" branch appears to be this PR. Removing the "cherrypick-candidate" label. If this is an error find help to get your PR picked.

shyamjvs pushed a commit to shyamjvs/kubernetes that referenced this pull request Dec 1, 2016
Merge pull request kubernetes#35205 from wojtek-t/automated-cherry-pi…
711c6c6 
…ck-of-#31189-kubernetes#31704-kubernetes#32831-kubernetes#32907-kubernetes#33003-kubernetes#33349-kubernetes#31190-kubernetes#33581-kubernetes#34089-kubernetes#34234-kubernetes#32822-kubernetes#33393-kubernetes#34246-kubernetes#34435-kubernetes#32477-upstream-release-1.4

Automatic merge from submit-queue

Automated cherry pick of kubernetes#31189 kubernetes#31704 kubernetes#32831 kubernetes#32907 kubernetes#33003 kubernetes#33349 kubernetes#31190 kubernetes#33581 kubernetes#34089 kubernetes#34234 kubernetes#32822 kubernetes#33393 kubernetes#34246 kubernetes#34435 kubernetes#32477 upstream release 1.4

We are going to release etcd v3 in 1.4.x release.

```
Cherrypick etcd v3-related bug fixes to 1.4 branch
```

Those PRs include:
- Updates of etcd Godeps
- Update to pkg/storage/etcd directory
- Two PR that were unnecessary to avoid conflicts: kubernetes#31189 kubernetes#31704

Automated cherry pick of kubernetes#31189 kubernetes#31704 kubernetes#32831 kubernetes#32907 kubernetes#33003 kubernetes#33349 kubernetes#31190 kubernetes#33581 kubernetes#34089 kubernetes#34234 kubernetes#32822 kubernetes#33393 kubernetes#34246 kubernetes#34435 kubernetes#32477

@hongchaodeng @xiang90 @lavalamp @smarterclayton
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