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Add deprecated stage of feature gates

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This commit is contained in:
Jordan Liggitt 2018-01-26 10:44:41 -05:00
parent a73c96d7b2
commit 7336eeab8a
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GPG Key ID: 39928704103C7229
1 changed files with 7 additions and 1 deletions
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8
staging/src/k8s.io/apiserver/pkg/util/feature/feature_gate.go
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@ -67,6 +67,9 @@ const (
Alpha = prerelease("ALPHA")
Beta = prerelease("BETA")
GA = prerelease("")
// Deprecated
Deprecated = prerelease("DEPRECATED")
)
// FeatureGate parses and stores flag gates for known features from
@ -157,7 +160,7 @@ func (f *featureGate) Set(value string) error {
}
arr := strings.SplitN(s, "=", 2)
k := Feature(strings.TrimSpace(arr[0]))
_, ok := known[k]
featureSpec, ok := known[k]
if !ok {
return fmt.Errorf("unrecognized key: %s", k)
}
@ -170,6 +173,9 @@ func (f *featureGate) Set(value string) error {
return fmt.Errorf("invalid value of %s: %s, err: %v", k, v, err)
}
enabled[k] = boolValue
if boolValue && featureSpec.PreRelease == Deprecated {
glog.Warningf("enabling deprecated feature gate %s", k)
}
// Handle "special" features like "all alpha gates"
if fn, found := f.special[k]; found {