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clusters: | ||
pve-test: | ||
api_token_id: root@pam!proxmox-operator | ||
api_token_secret: XXX | ||
api_url: https://10.171.120.253:8006/api2/json | ||
pool: infra | ||
log: | ||
format: text | ||
level: info |
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package main | ||
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import ( | ||
"context" | ||
"os" | ||
"time" | ||
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log "github.com/sirupsen/logrus" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/client-go/tools/leaderelection" | ||
"k8s.io/client-go/tools/leaderelection/resourcelock" | ||
) | ||
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func getNewLock(lockname, podname, namespace string) *resourcelock.LeaseLock { | ||
return &resourcelock.LeaseLock{ | ||
LeaseMeta: metav1.ObjectMeta{ | ||
Name: lockname, | ||
Namespace: namespace, | ||
}, | ||
Client: config.KubernetesClient.CoordinationV1(), | ||
LockConfig: resourcelock.ResourceLockConfig{ | ||
Identity: podname, | ||
}, | ||
} | ||
} | ||
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func runLeaderElection(lock *resourcelock.LeaseLock, ctx context.Context, id string) { | ||
leaderelection.RunOrDie(ctx, leaderelection.LeaderElectionConfig{ | ||
Lock: lock, | ||
ReleaseOnCancel: true, | ||
LeaseDuration: 15 * time.Second, | ||
RenewDeadline: 10 * time.Second, | ||
RetryPeriod: 2 * time.Second, | ||
Callbacks: leaderelection.LeaderCallbacks{ | ||
OnStartedLeading: func(c context.Context) { | ||
worker() | ||
}, | ||
OnStoppedLeading: func() { | ||
log.Warn("We are no longer the leader, terminating...") | ||
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os.Exit(0) | ||
}, | ||
OnNewLeader: func(current_id string) { | ||
if current_id == id { | ||
log.Info("We are still the leading!") | ||
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return | ||
} | ||
log.Warnf("New leader is %s", current_id) | ||
}, | ||
}, | ||
}) | ||
} |
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