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Add new way to generate leader election lock

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This commit is contained in:
Jakub Przychodzeń 2020-10-16 11:28:42 +02:00
parent cd8b87f25a
commit 24033c908d
2 changed files with 18 additions and 0 deletions
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2
staging/src/k8s.io/client-go/tools/leaderelection/resourcelock/BUILD
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@ -18,8 +18,10 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/typed/coordination/v1:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
"//staging/src/k8s.io/client-go/rest:go_default_library",
],
)

16
staging/src/k8s.io/client-go/tools/leaderelection/resourcelock/interface.go
View File

@ -19,6 +19,9 @@ package resourcelock
import (
"context"
"fmt"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
@ -140,3 +143,16 @@ func New(lockType string, ns string, name string, coreClient corev1.CoreV1Interf
return nil, fmt.Errorf("Invalid lock-type %s", lockType)
}
}
// NewFromKubeconfig will create a lock of a given type according to the input parameters.
func NewFromKubeconfig(lockType string, ns string, name string, rlc ResourceLockConfig, kubeconfig *restclient.Config, renewDeadline time.Duration) (Interface, error) {
// shallow copy, do not modify the kubeconfig
config := *kubeconfig
timeout := ((renewDeadline / time.Millisecond) / 2) * time.Millisecond
if timeout < time.Second {
timeout = time.Second
}
config.Timeout = timeout
leaderElectionClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "leader-election"))
return New(lockType, ns, name, leaderElectionClient.CoreV1(), leaderElectionClient.CoordinationV1(), rlc)
}