Merge pull request #62450 from feiskyer/select-lb

Automatic merge from submit-queue (batch tested with PRs 62146, 62450). 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>.

Ensure expected load balancer is selected for Azure

**What this PR does / why we need it**:

Azure cloud provider is always selecting the last element of LB list. The reason is: getServiceLoadBalancer() refers the pointer of an local variable within for loop:

e7ed9b408a/pkg/cloudprovider/providers/azure/azure_loadbalancer.go (L202-L206)

This is a common mistake as golang is actually reusing same variable within the loop. This PR fixes this issue.

**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 #62449

**Special notes for your reviewer**:

**Release note**:

```release-note
Ensure expected load balancer is selected for Azure
```

/sig azure
/kind bug
This commit is contained in:
Kubernetes Submit Queue 2018-04-13 00:52:00 -07:00 committed by GitHub
commit 4b26d70daf
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@ -199,7 +199,8 @@ func (az *Cloud) getServiceLoadBalancer(service *v1.Service, clusterName string,
// check if the service already has a load balancer
if existingLBs != nil {
for _, existingLB := range existingLBs {
for i := range existingLBs {
existingLB := existingLBs[i]
if strings.EqualFold(*existingLB.Name, defaultLBName) {
defaultLB = &existingLB
}