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[FLINK-16194][k8s] Introduce Factories that chain the decorators toge…
…ther to construct all the client/cluster-side Kubernetes resources
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47 changes: 47 additions & 0 deletions
47
...c/main/java/org/apache/flink/kubernetes/kubeclient/KubernetesJobManagerSpecification.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http:https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.flink.kubernetes.kubeclient; | ||
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| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.api.model.apps.Deployment; | ||
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| import java.util.List; | ||
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| /** | ||
| * Composition of the created Kubernetes components that represents a Flink application. | ||
| */ | ||
| public class KubernetesJobManagerSpecification { | ||
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| private Deployment deployment; | ||
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| private List<HasMetadata> accompanyingResources; | ||
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| public KubernetesJobManagerSpecification(Deployment deployment, List<HasMetadata> accompanyingResources) { | ||
| this.deployment = deployment; | ||
| this.accompanyingResources = accompanyingResources; | ||
| } | ||
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| public Deployment getDeployment() { | ||
| return deployment; | ||
| } | ||
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| public List<HasMetadata> getAccompanyingResources() { | ||
| return accompanyingResources; | ||
| } | ||
| } |
106 changes: 106 additions & 0 deletions
106
...main/java/org/apache/flink/kubernetes/kubeclient/factory/KubernetesJobManagerFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http:https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.flink.kubernetes.kubeclient.factory; | ||
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| import org.apache.flink.kubernetes.kubeclient.FlinkPod; | ||
| import org.apache.flink.kubernetes.kubeclient.KubernetesJobManagerSpecification; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.ExternalServiceDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.FlinkConfMountDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.InitJobManagerDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.InternalServiceDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.JavaCmdJobManagerDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.KubernetesStepDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.parameters.KubernetesJobManagerParameters; | ||
| import org.apache.flink.kubernetes.utils.Constants; | ||
| import org.apache.flink.kubernetes.utils.KubernetesUtils; | ||
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| import io.fabric8.kubernetes.api.model.Container; | ||
| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.api.model.Pod; | ||
| import io.fabric8.kubernetes.api.model.PodBuilder; | ||
| import io.fabric8.kubernetes.api.model.apps.Deployment; | ||
| import io.fabric8.kubernetes.api.model.apps.DeploymentBuilder; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
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| /** | ||
| * Utility class for constructing all the Kubernetes components on the client-side. This can | ||
| * include the Deployment, the ConfigMap(s), and the Service(s). | ||
| */ | ||
| public class KubernetesJobManagerFactory { | ||
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| public static KubernetesJobManagerSpecification createJobManagerComponent( | ||
| KubernetesJobManagerParameters kubernetesJobManagerParameters) throws IOException { | ||
| FlinkPod flinkPod = new FlinkPod.Builder().build(); | ||
| List<HasMetadata> accompanyingResources = new ArrayList<>(); | ||
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| final KubernetesStepDecorator[] stepDecorators = new KubernetesStepDecorator[] { | ||
| new InitJobManagerDecorator(kubernetesJobManagerParameters), | ||
| new JavaCmdJobManagerDecorator(kubernetesJobManagerParameters), | ||
| new InternalServiceDecorator(kubernetesJobManagerParameters), | ||
| new ExternalServiceDecorator(kubernetesJobManagerParameters), | ||
| new FlinkConfMountDecorator(kubernetesJobManagerParameters)}; | ||
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| for (KubernetesStepDecorator stepDecorator: stepDecorators) { | ||
| flinkPod = stepDecorator.decorateFlinkPod(flinkPod); | ||
| accompanyingResources.addAll(stepDecorator.buildAccompanyingKubernetesResources()); | ||
| } | ||
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| final Deployment deployment = createJobManagerDeployment(flinkPod, kubernetesJobManagerParameters); | ||
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| return new KubernetesJobManagerSpecification(deployment, accompanyingResources); | ||
| } | ||
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| private static Deployment createJobManagerDeployment( | ||
| FlinkPod flinkPod, | ||
| KubernetesJobManagerParameters kubernetesJobManagerParameters) { | ||
| final Container resolvedMainContainer = flinkPod.getMainContainer(); | ||
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| final Pod resolvedPod = new PodBuilder(flinkPod.getPod()) | ||
| .editOrNewSpec() | ||
| .addToContainers(resolvedMainContainer) | ||
| .endSpec() | ||
| .build(); | ||
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| final Map<String, String> labels = resolvedPod.getMetadata().getLabels(); | ||
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| return new DeploymentBuilder() | ||
| .withApiVersion(Constants.APPS_API_VERSION) | ||
| .editOrNewMetadata() | ||
| .withName(KubernetesUtils.getDeploymentName(kubernetesJobManagerParameters.getClusterId())) | ||
| .withLabels(kubernetesJobManagerParameters.getLabels()) | ||
| .endMetadata() | ||
| .editOrNewSpec() | ||
| .withReplicas(1) | ||
| .editOrNewTemplate() | ||
| .editOrNewMetadata() | ||
| .withLabels(labels) | ||
| .endMetadata() | ||
| .withSpec(resolvedPod.getSpec()) | ||
| .endTemplate() | ||
| .editOrNewSelector() | ||
| .addToMatchLabels(labels) | ||
| .endSelector() | ||
| .endSpec() | ||
| .build(); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
...ain/java/org/apache/flink/kubernetes/kubeclient/factory/KubernetesTaskManagerFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http:https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.apache.flink.kubernetes.kubeclient.factory; | ||
|
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| import org.apache.flink.kubernetes.kubeclient.FlinkPod; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.FlinkConfMountDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.InitTaskManagerDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.JavaCmdTaskManagerDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.decorators.KubernetesStepDecorator; | ||
| import org.apache.flink.kubernetes.kubeclient.parameters.KubernetesTaskManagerParameters; | ||
| import org.apache.flink.kubernetes.kubeclient.resources.KubernetesPod; | ||
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| import io.fabric8.kubernetes.api.model.Pod; | ||
| import io.fabric8.kubernetes.api.model.PodBuilder; | ||
|
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| /** | ||
| * Utility class for constructing the TaskManager Pod on the JobManager. | ||
| */ | ||
| public class KubernetesTaskManagerFactory { | ||
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| public static KubernetesPod buildTaskManagerComponent(KubernetesTaskManagerParameters kubernetesTaskManagerParameters) { | ||
| FlinkPod flinkPod = new FlinkPod.Builder().build(); | ||
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| final KubernetesStepDecorator[] stepDecorators = new KubernetesStepDecorator[] { | ||
| new InitTaskManagerDecorator(kubernetesTaskManagerParameters), | ||
| new JavaCmdTaskManagerDecorator(kubernetesTaskManagerParameters), | ||
| new FlinkConfMountDecorator(kubernetesTaskManagerParameters)}; | ||
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| for (KubernetesStepDecorator stepDecorator: stepDecorators) { | ||
| flinkPod = stepDecorator.decorateFlinkPod(flinkPod); | ||
| } | ||
|
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| final Pod resolvedPod = new PodBuilder(flinkPod.getPod()) | ||
| .editOrNewSpec() | ||
| .addToContainers(flinkPod.getMainContainer()) | ||
| .endSpec() | ||
| .build(); | ||
|
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| return new KubernetesPod(resolvedPod); | ||
| } | ||
| } |
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