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Merge pull request #64562 from andrewsykim/ccm-handle-errs

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Automatic merge from submit-queue (batch tested with PRs 64057, 63223, 64346, 64562, 64408). 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>.

cloud node controller: improve error handling for node registration

**What this PR does / why we need it**:
Improves error handling for (external) node registration.

**Release note**:
```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-06-02 02:10:14 -07:00 committed by GitHub
commit 1ac591e663
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1 changed files with 9 additions and 5 deletions
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14
pkg/controller/cloud/node_controller.go
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@ -18,6 +18,7 @@ package cloud
import (
"context"
"errors"
"fmt"
"time"
@ -168,6 +169,12 @@ func (cnc *CloudNodeController) updateNodeAddress(node *v1.Node, instances cloud
glog.Errorf("%v", err)
return
}
if len(nodeAddresses) == 0 {
glog.V(5).Infof("Skipping node address update for node %q since cloud provider did not return any", node.Name)
return
}
// Check if a hostname address exists in the cloud provided addresses
hostnameExists := false
for i := range nodeAddresses {
@ -349,21 +356,18 @@ func (cnc *CloudNodeController) AddCloudNode(obj interface{}) {
nodeAddresses, err := getNodeAddressesByProviderIDOrName(instances, curNode)
if err != nil {
glog.Errorf("%v", err)
return nil
return err
}
// If user provided an IP address, ensure that IP address is found
// in the cloud provider before removing the taint on the node
if nodeIP, ok := ensureNodeProvidedIPExists(curNode, nodeAddresses); ok {
if nodeIP == nil {
glog.Errorf("failed to get specified nodeIP in cloudprovider")
return nil
return errors.New("failed to find kubelet node IP from cloud provider")
}
}
if instanceType, err := getInstanceTypeByProviderIDOrName(instances, curNode); err != nil {
glog.Errorf("%v", err)
return err
} else if instanceType != "" {
glog.V(2).Infof("Adding node label from cloud provider: %s=%s", kubeletapis.LabelInstanceType, instanceType)