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>.
Enable on-demand collection of node metrics
**What this PR does / why we need it**:
This PR enables collecting node-level metrics on-demand. This is useful because it allows the kubelet to respond to resource pressure more quickly.
**Which issue(s) this PR fixes**:
Ref: #51745
**Release note**:
```release-note
NONE
```
/sig node
/priority important-soon
/kind bug
/assign @vishh @derekwaynecarr
cc @tallclair
GetPodCgroupNameSuffix is not really implemented under darwin
(or windows for that matter). So let's just skip over the check
for CPU and Memory if that is not set.
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>.
fix network value for stats summary for multiple network interfaces
This PR is part of [Heapster #1788](https://github.com/kubernetes/heapster/pull/1788).
The original reason is when there are more than one none `lo`, `docker0`, `veth` network interfaces instead of just one `eth0`, the network interface value is only partial and does not correct. For now, summary stats api only gets the eth0 network interface values.
The original issues about this can be find in [Heapster #1058](https://github.com/kubernetes/heapster/issues/1058) and [Cadvisor #1593](https://github.com/google/cadvisor/issues/1593).
```release-note
Fix stats summary network value when multiple network interfaces are available.
```
/cc @DirectXMan12 @piosz @xiangpengzhao @vishh @timstclair
This commit addresses the issue described here
https://github.com/kubernetes-incubator/cri-containerd/issues/341
The changes include using cadvisor stats in addition to CRI stats
for CRI runtimes. As described in the issue above , the CRI stats
currently doesnt provide all the necessary stats for the kubelet.
This commit addreses the need to extract stats from cadvisor which
is not available as CRI stats.
Signed-off-by: abhi <abhi@docker.com>
This PR adds the pod-level metrics for CPU and memory stats. cAdvisor
can get all pod cgroup information so we can add this pod-level CPU and
memory stats information from the corresponding pod cgroup
This PR adds pod-level ephemeral storage metric into Summary API.
Pod-level ephemeral storage usage is the sum of all containers and local
ephemeral volume including EmptyDir (if not backed up by memory or
hugepages), configueMap, and downwardAPI.
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>.
Filter out duplicated container stats
**What this PR does / why we need it**:
**Which issue this PR fixes** *
fixes#53514
**Special notes for your reviewer**:
/cc @Random-Liu
Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>
linweibin