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Refactor DefaultControllerEnricher (fabric8io#1451)
Fixes fabric8io#401
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...ain/java/io/fabric8/maven/enricher/standard/ControllerViaPluginConfigurationEnricher.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /** | ||
| * Copyright 2016 Red Hat, Inc. | ||
| * | ||
| * Red Hat 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://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. | ||
| */ | ||
| package io.fabric8.maven.enricher.standard; | ||
|
|
||
| import io.fabric8.kubernetes.api.builder.TypedVisitor; | ||
| import io.fabric8.kubernetes.api.model.KubernetesListBuilder; | ||
| import io.fabric8.kubernetes.api.model.PodSpec; | ||
| import io.fabric8.kubernetes.api.model.PodSpecBuilder; | ||
| import io.fabric8.kubernetes.api.model.apps.DeploymentBuilder; | ||
| import io.fabric8.kubernetes.api.model.apps.DeploymentFluent; | ||
| import io.fabric8.kubernetes.api.model.apps.DeploymentSpec; | ||
| import io.fabric8.kubernetes.api.model.apps.StatefulSetBuilder; | ||
| import io.fabric8.kubernetes.api.model.apps.StatefulSetFluent; | ||
| import io.fabric8.kubernetes.api.model.apps.StatefulSetSpec; | ||
| import io.fabric8.maven.core.config.ResourceConfig; | ||
| import io.fabric8.maven.core.handler.DeploymentHandler; | ||
| import io.fabric8.maven.core.handler.HandlerHub; | ||
| import io.fabric8.maven.core.handler.StatefulSetHandler; | ||
| import io.fabric8.maven.core.util.Configs; | ||
| import io.fabric8.maven.core.util.MavenUtil; | ||
| import io.fabric8.maven.core.util.kubernetes.KubernetesResourceUtil; | ||
| import io.fabric8.maven.docker.config.ImageConfiguration; | ||
| import io.fabric8.maven.enricher.api.BaseEnricher; | ||
| import io.fabric8.maven.enricher.api.MavenEnricherContext; | ||
|
|
||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
||
| public class ControllerViaPluginConfigurationEnricher extends BaseEnricher { | ||
| protected static final String[] POD_CONTROLLER_KINDS = | ||
| { "ReplicationController", "ReplicaSet", "Deployment", "DeploymentConfig", "StatefulSet", "DaemonSet", "Job" }; | ||
|
|
||
| private final DeploymentHandler deployHandler; | ||
| private final StatefulSetHandler statefulSetHandler; | ||
|
|
||
| // Available configuration keys | ||
| private enum Config implements Configs.Key { | ||
| name, | ||
| pullPolicy {{ d = "IfNotPresent"; }}, | ||
| type {{ d = "deployment"; }}, | ||
| replicaCount {{ d = "1"; }}; | ||
|
|
||
| public String def() { return d; } protected String d; | ||
| } | ||
|
|
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| public ControllerViaPluginConfigurationEnricher(MavenEnricherContext context) { | ||
| super(context, "fmp-controller-from-configuration"); | ||
| HandlerHub handlers = new HandlerHub( | ||
| getContext().getGav(), getContext().getConfiguration().getProperties()); | ||
| deployHandler = handlers.getDeploymentHandler(); | ||
| statefulSetHandler = handlers.getStatefulSetHandler(); | ||
| } | ||
|
|
||
| @Override | ||
| public void addMissingResources(KubernetesListBuilder builder) { | ||
| final String name = getConfig(Config.name, MavenUtil.createDefaultResourceName(getContext().getGav().getSanitizedArtifactId())); | ||
| final ResourceConfig config = new ResourceConfig.Builder() | ||
| .controllerName(name) | ||
| .imagePullPolicy(getConfig(Config.pullPolicy)) | ||
| .withReplicas(Configs.asInt(getConfig(Config.replicaCount))) | ||
| .build(); | ||
|
|
||
| final List<ImageConfiguration> images = getImages().orElse(Collections.emptyList()); | ||
|
|
||
| // Check if at least a replica set is added. If not add a default one | ||
| if (KubernetesResourceUtil.checkForKind(builder, POD_CONTROLLER_KINDS)) { | ||
| // At least one image must be present, otherwise the resulting config will be invalid | ||
| if (KubernetesResourceUtil.checkForKind(builder, "StatefulSet")) { | ||
| final StatefulSetSpec spec = statefulSetHandler.getStatefulSet(config, images).getSpec(); | ||
| if (spec != null) { | ||
| builder.accept(new TypedVisitor<StatefulSetBuilder>() { | ||
| @Override | ||
| public void visit(StatefulSetBuilder statefulSetBuilder) { | ||
| statefulSetBuilder.editOrNewSpec().editOrNewTemplate().editOrNewSpec().endSpec().endTemplate().endSpec(); | ||
| mergeStatefulSetSpec(statefulSetBuilder, spec); | ||
| } | ||
| }); | ||
|
|
||
| if (spec.getTemplate() != null && spec.getTemplate().getSpec() != null) { | ||
| final PodSpec podSpec = spec.getTemplate().getSpec(); | ||
| builder.accept(new TypedVisitor<PodSpecBuilder>() { | ||
| @Override | ||
| public void visit(PodSpecBuilder builder) { | ||
| KubernetesResourceUtil.mergePodSpec(builder, podSpec, name); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } else { | ||
| final DeploymentSpec spec = deployHandler.getDeployment(config, images).getSpec(); | ||
| if (spec != null) { | ||
| builder.accept(new TypedVisitor<DeploymentBuilder>() { | ||
| @Override | ||
| public void visit(DeploymentBuilder deploymentBuilder) { | ||
| deploymentBuilder.editOrNewSpec().editOrNewTemplate().editOrNewSpec().endSpec().endTemplate().endSpec(); | ||
| mergeDeploymentSpec(deploymentBuilder, spec); | ||
| } | ||
| }); | ||
|
|
||
| if (spec.getTemplate() != null && spec.getTemplate().getSpec() != null) { | ||
| final PodSpec podSpec = spec.getTemplate().getSpec(); | ||
| builder.accept(new TypedVisitor<PodSpecBuilder>() { | ||
| @Override | ||
| public void visit(PodSpecBuilder builder) { | ||
| KubernetesResourceUtil.mergePodSpec(builder, podSpec, name); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private void mergeDeploymentSpec(DeploymentBuilder builder, DeploymentSpec spec) { | ||
| DeploymentFluent.SpecNested<DeploymentBuilder> specBuilder = builder.editSpec(); | ||
| KubernetesResourceUtil.mergeSimpleFields(specBuilder, spec); | ||
| specBuilder.endSpec(); | ||
| } | ||
|
|
||
| private void mergeStatefulSetSpec(StatefulSetBuilder builder, StatefulSetSpec spec) { | ||
| StatefulSetFluent.SpecNested<StatefulSetBuilder> specBuilder = builder.editSpec(); | ||
| KubernetesResourceUtil.mergeSimpleFields(specBuilder, spec); | ||
| specBuilder.endSpec(); | ||
| } | ||
|
|
||
| } |
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