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39 lines
1.1 KiB
39 lines
1.1 KiB
5 years ago
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gates
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import (
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"fmt"
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"os"
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)
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// Gate is the name of the feature gate.
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type Gate string
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// String returns the string representation of this feature gate.
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func (g Gate) String() string {
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return string(g)
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}
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// IsEnabled determines whether a certain feature gate is enabled.
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func (g Gate) IsEnabled() bool {
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return os.Getenv(string(g)) != ""
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}
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func (g Gate) Error() error {
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return fmt.Errorf("this feature has been marked as experimental and is not enabled by default. Please set $%s in your environment to use this feature", g.String())
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}
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