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Merge pull request #68233 from luxas/ccm_cleanup

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Automatic merge from submit-queue (batch tested with PRs 68171, 67945, 68233). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.

Move the CloudControllerManagerConfiguration to an API group in `cmd/`

**What this PR does / why we need it**:
This PR is the last piece of https://github.com/kubernetes/kubernetes/issues/67233.
It moves the `CloudControllerManagerConfiguration` to its own `cloudcontrollermanager.config.k8s.io` config API group, but unlike the other components this API group is "private" (only available in `k8s.io/kubernetes`, which limits consumer base), as it's located entirely in `cmd/` vs a staging repo.
This decision was made for now as we're not sure what the story for the ccm loading ComponentConfig files is, and probably a "real" file-loading ccm will never exist in core, only helper libraries. Eventually the ccm will only be a library in any case, and implementors will/can use the base types the ccm library API group provides. It's probably good to note that there is no practical implication of this change as the ccm **cannot** read ComponentConfig files. Hencec the code move isn't user-facing.

With this change, we're able to remove `pkg/apis/componentconfig`, as this was the last consumer. That is hence done in this PR as well (so the move is easily visible in git, vs first one "big add" then a "big remove"). The only piece of code that was used was the flag helper structs, so I moved them to `pkg/util/flag` that I think makes sense for now.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/community#2354

**Special notes for your reviewer**:

This PR builds on top of (first two commits, marked as `Co-authored by: @stewart-yu`) https://github.com/kubernetes/kubernetes/pull/67689

**Release note**:

```release-note
NONE
```
/assign @liggitt @sttts @thockin @stewart-yu
This commit is contained in:
Kubernetes Submit Queue
2018-09-05 21:36:41 -07:00
committed by GitHub
parent 7b756e6836 3ff1e53111
commit c3062bae21
38 changed files with 347 additions and 453 deletions
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2
cmd/kubelet/app/options/BUILD
View File

@@ -19,7 +19,6 @@ go_library(
],
importpath = "k8s.io/kubernetes/cmd/kubelet/app/options",
deps = [
"//pkg/apis/componentconfig:go_default_library",
"//pkg/apis/core:go_default_library",
"//pkg/credentialprovider/azure:go_default_library",
"//pkg/credentialprovider/gcp:go_default_library",
@@ -30,6 +29,7 @@ go_library(
"//pkg/kubelet/config:go_default_library",
"//pkg/kubelet/types:go_default_library",
"//pkg/master/ports:go_default_library",
"//pkg/util/flag:go_default_library",
"//pkg/util/taints:go_default_library",
"//pkg/version/verflag:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",

6
cmd/kubelet/app/options/options.go
View File

@@ -30,7 +30,6 @@ import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/apiserver/pkg/util/flag"
"k8s.io/kubelet/config/v1beta1"
"k8s.io/kubernetes/pkg/apis/componentconfig"
"k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/features"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
@@ -39,6 +38,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/config"
kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
"k8s.io/kubernetes/pkg/master/ports"
utilflag "k8s.io/kubernetes/pkg/util/flag"
utiltaints "k8s.io/kubernetes/pkg/util/taints"
)
@@ -447,7 +447,7 @@ func AddKubeletConfigFlags(mainfs *pflag.FlagSet, c *kubeletconfig.KubeletConfig
fs.DurationVar(&c.HTTPCheckFrequency.Duration, "http-check-frequency", c.HTTPCheckFrequency.Duration, "Duration between checking http for new data")
fs.StringVar(&c.StaticPodURL, "manifest-url", c.StaticPodURL, "URL for accessing additional Pod specifications to run")
fs.Var(flag.NewColonSeparatedMultimapStringString(&c.StaticPodURLHeader), "manifest-url-header", "Comma-separated list of HTTP headers to use when accessing the url provided to --manifest-url. Multiple headers with the same name will be added in the same order provided. This flag can be repeatedly invoked. For example: `--manifest-url-header 'a:hello,b:again,c:world' --manifest-url-header 'b:beautiful'`")
fs.Var(componentconfig.IPVar{Val: &c.Address}, "address", "The IP address for the Kubelet to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
fs.Var(utilflag.IPVar{Val: &c.Address}, "address", "The IP address for the Kubelet to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
fs.Int32Var(&c.Port, "port", c.Port, "The port for the Kubelet to serve on.")
fs.Int32Var(&c.ReadOnlyPort, "read-only-port", c.ReadOnlyPort, "The read-only port for the Kubelet to serve on with no authentication/authorization (set to 0 to disable)")
@@ -499,7 +499,7 @@ func AddKubeletConfigFlags(mainfs *pflag.FlagSet, c *kubeletconfig.KubeletConfig
fs.BoolVar(&c.EnableDebuggingHandlers, "enable-debugging-handlers", c.EnableDebuggingHandlers, "Enables server endpoints for log collection and local running of containers and commands")
fs.BoolVar(&c.EnableContentionProfiling, "contention-profiling", c.EnableContentionProfiling, "Enable lock contention profiling, if profiling is enabled")
fs.Int32Var(&c.HealthzPort, "healthz-port", c.HealthzPort, "The port of the localhost healthz endpoint (set to 0 to disable)")
fs.Var(componentconfig.IPVar{Val: &c.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
fs.Var(utilflag.IPVar{Val: &c.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
fs.Int32Var(&c.OOMScoreAdj, "oom-score-adj", c.OOMScoreAdj, "The oom-score-adj value for kubelet process. Values must be within the range [-1000, 1000]")
fs.StringVar(&c.ClusterDomain, "cluster-domain", c.ClusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")