Merge pull request #60106 from dashpole/cadvisor_godep

Automatic merge from submit-queue (batch tested with PRs 60106, 59510, 60263, 60063, 59088). 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>.

Update cadvisor godeps to v0.29.0 and ignore per-cpu metrics

**What this PR does / why we need it**:
Updates the cAdvisor dependency to the cAdvisor release associated with the kubernetes 1.10 release.

**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 #60052

**Special notes for your reviewer**:
This PR also adds per-cpu metrics to the ignoreMetrics list.  This is a new metric that can be ignored in the most recent cAdvisor release.
The reason for not collecting per-cpu metrics is that it can cause severe scalability issues.
For example, if using a 128 core machine, and running 100 containers, we have 12800 different streams of metrics just for per-cpu metrics which cAdvisor needs to process and transmit.
Additionally, per-cpu metrics are not used by any kubernetes components, and if a user needs these metrics, they can run cAdvisor as a daemonset. 

**Release note**:
```release-note
Disable per-cpu metrics by default for scalability.
Fix inaccurate disk usage monitoring of overlayFs.
Retry docker connection on startup timeout to avoid permanent loss of metrics.
```

/assign @dchen1107

pkg/kubelet/cadvisor/cadvisor_linux.go

@@ -108,7 +108,11 @@ func containerLabels(c *cadvisorapi.ContainerInfo) map[string]string {
 func New(address string, port uint, imageFsInfoProvider ImageFsInfoProvider, rootPath string, usingLegacyStats bool) (Interface, error) {
 	sysFs := sysfs.NewRealSysFs()
 
-	ignoreMetrics := cadvisormetrics.MetricSet{cadvisormetrics.NetworkTcpUsageMetrics: struct{}{}, cadvisormetrics.NetworkUdpUsageMetrics: struct{}{}}
+	ignoreMetrics := cadvisormetrics.MetricSet{
+		cadvisormetrics.NetworkTcpUsageMetrics: struct{}{},
+		cadvisormetrics.NetworkUdpUsageMetrics: struct{}{},
+		cadvisormetrics.PerCpuUsageMetrics:     struct{}{},
+	}
 	if !usingLegacyStats {
 		ignoreMetrics[cadvisormetrics.DiskUsageMetrics] = struct{}{}
 	}