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kube-apiserver: fix missing global flags for --help
Signed-off-by: Jay Lim <jay@imjching.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package options | ||
|
|
||
| import ( | ||
| "github.com/spf13/pflag" | ||
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| "k8s.io/apiserver/pkg/util/globalflag" | ||
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| // ensure libs have a chance to globally register their flags | ||
| _ "k8s.io/apiserver/pkg/admission" | ||
| _ "k8s.io/kubernetes/pkg/cloudprovider/providers" | ||
| ) | ||
|
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| // AddCustomGlobalFlags explicitly registers flags that internal packages register | ||
| // against the global flagsets from "flag". We do this in order to prevent | ||
| // unwanted flags from leaking into the kube-apiserver's flagset. | ||
| func AddCustomGlobalFlags(fs *pflag.FlagSet) { | ||
| // Lookup flags in global flag set and re-register the values with our flagset. | ||
|
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| // Adds flags from k8s.io/kubernetes/pkg/cloudprovider/providers. | ||
| globalflag.Register(fs, "cloud-provider-gce-lb-src-cidrs") | ||
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| // Adds flags from k8s.io/apiserver/pkg/admission. | ||
| globalflag.Register(fs, "default-not-ready-toleration-seconds") | ||
| globalflag.Register(fs, "default-unreachable-toleration-seconds") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package options | ||
|
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| import ( | ||
| "flag" | ||
| "reflect" | ||
| "sort" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/spf13/pflag" | ||
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| apiserverflag "k8s.io/apiserver/pkg/util/flag" | ||
| "k8s.io/apiserver/pkg/util/globalflag" | ||
| ) | ||
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| func TestAddCustomGlobalFlags(t *testing.T) { | ||
| namedFlagSets := &apiserverflag.NamedFlagSets{} | ||
|
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| // Note that we will register all flags (including klog flags) into the same | ||
| // flag set. This allows us to test against all global flags from | ||
| // flags.CommandLine. | ||
| nfs := namedFlagSets.FlagSet("test") | ||
| globalflag.AddGlobalFlags(nfs, "test-cmd") | ||
| AddCustomGlobalFlags(nfs) | ||
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| actualFlag := []string{} | ||
| nfs.VisitAll(func(flag *pflag.Flag) { | ||
| actualFlag = append(actualFlag, flag.Name) | ||
| }) | ||
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| // Get all flags from flags.CommandLine, except flag `test.*`. | ||
| wantedFlag := []string{"help"} | ||
| pflag.CommandLine.SetNormalizeFunc(apiserverflag.WordSepNormalizeFunc) | ||
| pflag.CommandLine.AddGoFlagSet(flag.CommandLine) | ||
| pflag.VisitAll(func(flag *pflag.Flag) { | ||
| if !strings.Contains(flag.Name, "test.") { | ||
| wantedFlag = append(wantedFlag, flag.Name) | ||
| } | ||
| }) | ||
| sort.Strings(wantedFlag) | ||
|
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| if !reflect.DeepEqual(wantedFlag, actualFlag) { | ||
| t.Errorf("[Default]: expected %+v, got %+v", wantedFlag, actualFlag) | ||
| } | ||
| } |
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