com.netflix.spinnaker.clouddriver.kubernetes.v2.op.handler.KubernetesEventHandler.java Source code

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Here is the source code for com.netflix.spinnaker.clouddriver.kubernetes.v2.op.handler.KubernetesEventHandler.java

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/*
 * Copyright 2018 Google, Inc.
 *
 * Licensed 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 com.netflix.spinnaker.clouddriver.kubernetes.v2.op.handler;

import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesCacheDataConverter;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesCoreCachingAgent;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesV2CachingAgent;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.KubernetesSpinnakerKindMap;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesApiVersion;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesKind;
import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesManifest;
import com.netflix.spinnaker.clouddriver.model.Manifest;
import io.kubernetes.client.models.V1Event;
import io.kubernetes.client.models.V1ObjectReference;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import static com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesKind.EVENT;

@Component
public class KubernetesEventHandler extends KubernetesHandler {
    @Override
    public int deployPriority() {
        throw new IllegalStateException("Events cannot be deployed.");
    }

    @Override
    public KubernetesKind kind() {
        return EVENT;
    }

    @Override
    public boolean versioned() {
        return false;
    }

    @Override
    public KubernetesSpinnakerKindMap.SpinnakerKind spinnakerKind() {
        return KubernetesSpinnakerKindMap.SpinnakerKind.UNCLASSIFIED;
    }

    @Override
    public Manifest.Status status(KubernetesManifest manifest) {
        return new Manifest.Status();
    }

    @Override
    public Class<? extends KubernetesV2CachingAgent> cachingAgentClass() {
        return KubernetesCoreCachingAgent.class;
    }

    @Override
    public void addRelationships(Map<KubernetesKind, List<KubernetesManifest>> allResources,
            Map<KubernetesManifest, List<KubernetesManifest>> relationshipMap) {
        relationshipMap.putAll(allResources.getOrDefault(EVENT, new ArrayList<>()).stream()
                .map(m -> ImmutablePair.of(m, KubernetesCacheDataConverter.getResource(m, V1Event.class)))
                .collect(Collectors.toMap(ImmutablePair::getLeft,
                        p -> Collections.singletonList(involvedManifest(p.getRight())))));
    }

    private KubernetesManifest involvedManifest(V1Event event) {
        V1ObjectReference ref = event.getInvolvedObject();
        KubernetesManifest result = new KubernetesManifest();
        result.put("metadata", new HashMap<String, Object>());

        result.setApiVersion(KubernetesApiVersion.fromString(ref.getApiVersion()));
        result.setKind(KubernetesKind.fromString(ref.getKind()));
        result.setNamespace(ref.getNamespace());
        result.setName(ref.getName());
        return result;
    }
}