mirror of
https://github.com/labring/sealos.git
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fengxsong
6ab178bab8
* feat: support netlink mode Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: remove testing dir Signed-off-by: fengxsong <fengxsong@outlook.com> * replace modules with officials Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: license header Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: golanglint-ci warning Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: bump k8s.io/* deps version Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: errcheck, ignore it Signed-off-by: fengxsong <fengxsong@outlook.com> * docs: add test case Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: add ipset into lvscare image Signed-off-by: fengxsong <fengxsong@outlook.com> * docs: implementation details Signed-off-by: fengxsong <fengxsong@outlook.com> * refactor: return fast Signed-off-by: fengxsong <fengxsong@outlook.com> * fix: add durationOrSecond flag type for compatibility with previous usage Signed-off-by: fengxsong <fengxsong@outlook.com>
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
/*
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Copyright 2022 cuisongliu@qq.com.
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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 flags
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import (
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"os"
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"strings"
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"github.com/spf13/pflag"
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"github.com/labring/sealos/pkg/utils/logger"
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)
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// PrintFlags logs the flags in the flagset
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func PrintFlags(flags *pflag.FlagSet) {
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flags.VisitAll(func(flag *pflag.Flag) {
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logger.Debug("FLAG: --%s=%q", flag.Name, flag.Value)
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})
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}
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// SetFlagsFromEnv set value of flag if not changed but has env key
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func SetFlagsFromEnv(prefix string, flags *pflag.FlagSet) {
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if prefix != "" && !strings.HasSuffix(prefix, "_") {
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prefix += "_"
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}
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flags.VisitAll(func(flag *pflag.Flag) {
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if flag.Changed {
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return
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}
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envVar := strings.ToUpper(strings.Replace(prefix+flag.Name, "-", "_", -1))
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if v := os.Getenv(envVar); v != "" {
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_ = flags.Set(flag.Name, v)
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}
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})
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}
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