kubernetes/pkg/controller/nodelifecycle
Kubernetes Submit Queue 8c00efe653
Merge pull request #60831 from resouer/fix-race
Automatic merge from submit-queue (batch tested with PRs 60574, 60666, 60831, 60877, 60357). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix data race in node lifecycle controller

**What this PR does / why we need it**:
Encountered this bug during fixing: https://github.com/kubernetes/kubernetes/pull/60753

There's a data race for `zoneNoExecuteTainter `.

```
--- PASS: TestTaintNodeByCondition (5.72s)
PASS
==================
WARNING: DATA RACE
Write at 0x00c421a8d2f0 by goroutine 1472:
  runtime.mapassign_faststr()
      /usr/local/go/src/runtime/hashmap_fast.go:598 +0x0
  k8s.io/kubernetes/pkg/controller/nodelifecycle.(*Controller).addPodEvictorForNewZone()
      /root/code/kubernetes/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/nodelifecycle/node_lifecycle_controller.go:1053 +0x37d
  k8s.io/kubernetes/pkg/controller/nodelifecycle.(*Controller).monitorNodeStatus()
      

Previous read at 0x00c421a8d2f0 by goroutine 1471:
  runtime.mapiterinit()
      /usr/local/go/src/runtime/hashmap.go:709 +0x0
  k8s.io/kubernetes/pkg/controller/nodelifecycle.(*Controller).doNoExecuteTaintingPass()
      /root/code/kubernetes/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/nodelifecycle/node_lifecycle_controller.go:459 +0xec
  k8s.io/kubernetes/pkg/controller/nodelifecycle.(*Controller).(k8s.io/kubernetes/pkg/controller/nodelifecycle.doNoExecuteTaintingPass)-fm()
```

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
Fix data race in node lifecycle controller
```
2018-03-20 08:34:40 -07:00
..
scheduler Autogenerated: hack/update-bazel.sh 2018-02-16 13:43:01 -08:00
BUILD Autogenerated: hack/update-bazel.sh 2018-02-16 13:43:01 -08:00
metrics.go
node_lifecycle_controller_test.go Revert "add node shutdown taint" 2018-02-16 12:24:27 +01:00
node_lifecycle_controller.go Merge pull request #60831 from resouer/fix-race 2018-03-20 08:34:40 -07:00
OWNERS Re-add nodecontroller OWNERS file 2018-01-05 16:08:30 +00:00