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Merge pull request #59769 from dashpole/capacity_ephemeral_storage

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Automatic merge from submit-queue. 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>.

Collect ephemeral storage capacity on initialization

**What this PR does / why we need it**:
We have had some node e2e flakes where a pod can be rejected if it requests ephemeral storage.  This is because we don't set capacity and allocatable for ephemeral storage on initialization.
This PR causes cAdvisor to do one round of stats collection during initialization, which will allow it to get the disk capacity when it first sets the node status.
It also sets the node to NotReady if capacities have not been initialized yet.

**Special notes for your reviewer**:

**Release note**:
```release-note
NONE
```
/assign @jingxu97 @Random-Liu 

/sig node
/kind bug
/priority important-soon
This commit is contained in:
Kubernetes Submit Queue
2018-02-16 11:17:02 -08:00
committed by GitHub
parent 9586cd06c2 b259543985
commit 244549f02a
4 changed files with 55 additions and 46 deletions
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12
pkg/kubelet/kubelet_node_status_test.go
View File

@@ -249,6 +249,9 @@ func TestUpdateNewNodeStatus(t *testing.T) {
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
}
mockCadvisor.On("VersionInfo").Return(versionInfo, nil)
maxAge := 0 * time.Second
options := cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false, MaxAge: &maxAge}
mockCadvisor.On("ContainerInfoV2", "/", options).Return(map[string]cadvisorapiv2.ContainerInfo{}, nil)
expectedNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
@@ -441,6 +444,9 @@ func TestUpdateExistingNodeStatus(t *testing.T) {
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
}
mockCadvisor.On("VersionInfo").Return(versionInfo, nil)
maxAge := 0 * time.Second
options := cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false, MaxAge: &maxAge}
mockCadvisor.On("ContainerInfoV2", "/", options).Return(map[string]cadvisorapiv2.ContainerInfo{}, nil)
expectedNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
@@ -645,6 +651,9 @@ func TestUpdateNodeStatusWithRuntimeStateError(t *testing.T) {
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
}
mockCadvisor.On("VersionInfo").Return(versionInfo, nil)
maxAge := 0 * time.Second
options := cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false, MaxAge: &maxAge}
mockCadvisor.On("ContainerInfoV2", "/", options).Return(map[string]cadvisorapiv2.ContainerInfo{}, nil)
expectedNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
@@ -1122,6 +1131,9 @@ func TestUpdateNewNodeStatusTooLargeReservation(t *testing.T) {
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
}
mockCadvisor.On("VersionInfo").Return(versionInfo, nil)
maxAge := 0 * time.Second
options := cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false, MaxAge: &maxAge}
mockCadvisor.On("ContainerInfoV2", "/", options).Return(map[string]cadvisorapiv2.ContainerInfo{}, nil)
expectedNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},