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54 lines
2.7 KiB
Go
54 lines
2.7 KiB
Go
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/*
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Copyright 2017 The Kubernetes 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 options
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import (
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"github.com/spf13/pflag"
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"k8s.io/component-base/config"
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)
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// BindLeaderElectionFlags binds the LeaderElectionConfiguration struct fields to a flagset
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func BindLeaderElectionFlags(l *config.LeaderElectionConfiguration, fs *pflag.FlagSet) {
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fs.BoolVar(&l.LeaderElect, "leader-elect", l.LeaderElect, ""+
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"Start a leader election client and gain leadership before "+
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"executing the main loop. Enable this when running replicated "+
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"components for high availability.")
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fs.DurationVar(&l.LeaseDuration.Duration, "leader-elect-lease-duration", l.LeaseDuration.Duration, ""+
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"The duration that non-leader candidates will wait after observing a leadership "+
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"renewal until attempting to acquire leadership of a led but unrenewed leader "+
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"slot. This is effectively the maximum duration that a leader can be stopped "+
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"before it is replaced by another candidate. This is only applicable if leader "+
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"election is enabled.")
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fs.DurationVar(&l.RenewDeadline.Duration, "leader-elect-renew-deadline", l.RenewDeadline.Duration, ""+
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"The interval between attempts by the acting master to renew a leadership slot "+
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"before it stops leading. This must be less than the lease duration. "+
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"This is only applicable if leader election is enabled.")
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fs.DurationVar(&l.RetryPeriod.Duration, "leader-elect-retry-period", l.RetryPeriod.Duration, ""+
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"The duration the clients should wait between attempting acquisition and renewal "+
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"of a leadership. This is only applicable if leader election is enabled.")
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fs.StringVar(&l.ResourceLock, "leader-elect-resource-lock", l.ResourceLock, ""+
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"The type of resource object that is used for locking during "+
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"leader election. Supported options are 'leases', 'endpointsleases' "+
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"and 'configmapsleases'.")
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fs.StringVar(&l.ResourceName, "leader-elect-resource-name", l.ResourceName, ""+
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"The name of resource object that is used for locking during "+
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"leader election.")
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fs.StringVar(&l.ResourceNamespace, "leader-elect-resource-namespace", l.ResourceNamespace, ""+
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"The namespace of resource object that is used for locking during "+
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"leader election.")
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}
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