org.apache.camel.component.kubernetes.cluster.lock

Interface KubernetesLeaseResourceManager<T extends io.fabric8.kubernetes.api.model.HasMetadata>

All Known Implementing Classes:

ConfigMapLeaseResourceManager, NativeLeaseResourceManager

public interface KubernetesLeaseResourceManager<T extends io.fabric8.kubernetes.api.model.HasMetadata>

Handles the actual interaction with Kubernetes resources, allowing different implementation to be plugged.

Method Summary

Modifier and Type	Method and Description
static <S extends io.fabric8.kubernetes.api.model.HasMetadata> KubernetesLeaseResourceManager<S>	create(LeaseResourceType type) Create a new KubernetesLeaseResourceManager of the given LeaseResourceType.
T	createNewLeaseResource(io.fabric8.kubernetes.client.KubernetesClient client, String namespace, String leaseResourceName, LeaderInfo leaderInfo) Create a new lease resource matching the given LeaderInfo.
LeaderInfo	decodeLeaderInfo(T leaseResource, Set<String> members, String group) Return a LeaderInfo object from the underlying Kubernetes resource.
T	fetchLeaseResource(io.fabric8.kubernetes.client.KubernetesClient client, String namespace, String leaseResourceName, String group) Fetch the lease resource for the given name and group.
T	optimisticAcquireLeadership(io.fabric8.kubernetes.client.KubernetesClient client, T leaseResource, LeaderInfo newLeaderInfo) Set the leadership information on the lease resource to match the given LeaderInfo.
T	optimisticDeleteLeaderInfo(io.fabric8.kubernetes.client.KubernetesClient client, T leaseResource, String group) Delete leadership information for the given lease resource and group.
T	refreshLeaseRenewTime(io.fabric8.kubernetes.client.KubernetesClient client, T leaseResource, int minUpdateIntervalSeconds) Update information on the lease resource to increase the renew time (if last renewal has occurred more than minUpdateIntervalSeconds seconds ago).

Method Detail

create

static <S extends io.fabric8.kubernetes.api.model.HasMetadata> KubernetesLeaseResourceManager<S> create(LeaseResourceType type)

Create a new KubernetesLeaseResourceManager of the given LeaseResourceType.

decodeLeaderInfo

LeaderInfo decodeLeaderInfo(T leaseResource,
                            Set<String> members,
                            String group)

Return a LeaderInfo object from the underlying Kubernetes resource.

fetchLeaseResource

T fetchLeaseResource(io.fabric8.kubernetes.client.KubernetesClient client,
                     String namespace,
                     String leaseResourceName,
                     String group)

Fetch the lease resource for the given name and group.

optimisticDeleteLeaderInfo

T optimisticDeleteLeaderInfo(io.fabric8.kubernetes.client.KubernetesClient client,
                             T leaseResource,
                             String group)

Delete leadership information for the given lease resource and group.

optimisticAcquireLeadership

T optimisticAcquireLeadership(io.fabric8.kubernetes.client.KubernetesClient client,
                              T leaseResource,
                              LeaderInfo newLeaderInfo)

Set the leadership information on the lease resource to match the given LeaderInfo.

createNewLeaseResource

T createNewLeaseResource(io.fabric8.kubernetes.client.KubernetesClient client,
                         String namespace,
                         String leaseResourceName,
                         LeaderInfo leaderInfo)

Create a new lease resource matching the given LeaderInfo.

refreshLeaseRenewTime

T refreshLeaseRenewTime(io.fabric8.kubernetes.client.KubernetesClient client,
                        T leaseResource,
                        int minUpdateIntervalSeconds)

Update information on the lease resource to increase the renew time (if last renewal has occurred more than minUpdateIntervalSeconds seconds ago).