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feat(provider/kubernetes): Cache pods
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Lars Wander
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Sep 6, 2017
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69
.../netflix/spinnaker/clouddriver/kubernetes/v2/caching/agent/KubernetesPodCachingAgent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * Copyright 2017 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.caching.agent; | ||
|
|
||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.netflix.spectator.api.Registry; | ||
| import com.netflix.spinnaker.cats.agent.AgentDataType; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.security.KubernetesNamedAccountCredentials; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.Keys; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.KubernetesKind; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.security.KubernetesV2Credentials; | ||
| import io.kubernetes.client.models.V1Pod; | ||
| import lombok.Getter; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import static com.netflix.spinnaker.cats.agent.AgentDataType.Authority.AUTHORITATIVE; | ||
| import static com.netflix.spinnaker.cats.agent.AgentDataType.Authority.INFORMATIVE; | ||
|
|
||
| @Slf4j | ||
| public class KubernetesPodCachingAgent extends KubernetesV2CachingAgent<V1Pod> { | ||
| KubernetesPodCachingAgent(KubernetesNamedAccountCredentials<KubernetesV2Credentials> namedAccountCredentials, | ||
| ObjectMapper objectMapper, | ||
| Registry registry, | ||
| int agentIndex, | ||
| int agentCount) { | ||
| super(namedAccountCredentials, objectMapper, registry, agentIndex, agentCount); | ||
| } | ||
|
|
||
| @Getter | ||
| final private Collection<AgentDataType> providedDataTypes = Collections.unmodifiableSet( | ||
| new HashSet<>(Arrays.asList( | ||
| INFORMATIVE.forType(Keys.LogicalKind.APPLICATION.toString()), | ||
| INFORMATIVE.forType(Keys.LogicalKind.CLUSTER.toString()), | ||
| INFORMATIVE.forType(KubernetesKind.DEPLOYMENT.toString()), | ||
| INFORMATIVE.forType(KubernetesKind.REPLICA_SET.toString()), | ||
| AUTHORITATIVE.forType(KubernetesKind.POD.toString()) | ||
| )) | ||
| ); | ||
|
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||
| @Override | ||
| protected List<V1Pod> loadPrimaryResource() { | ||
| return namespaces.stream() | ||
| .map(credentials::listAllPods) | ||
| .flatMap(Collection::stream) | ||
| .collect(Collectors.toList()); | ||
| } | ||
| } |
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68 changes: 68 additions & 0 deletions
68
...m/netflix/spinnaker/clouddriver/kubernetes/v2/caching/agent/KubernetesV2CachingAgent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* | ||
| * Copyright 2017 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.caching.agent; | ||
|
|
||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.netflix.spectator.api.Registry; | ||
| import com.netflix.spinnaker.cats.agent.CacheResult; | ||
| import com.netflix.spinnaker.cats.agent.DefaultCacheResult; | ||
| import com.netflix.spinnaker.cats.cache.CacheData; | ||
| import com.netflix.spinnaker.cats.provider.ProviderCache; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.caching.KubernetesCachingAgent; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.security.KubernetesNamedAccountCredentials; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.security.KubernetesV2Credentials; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
| import java.util.stream.Collectors; | ||
|
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| public abstract class KubernetesV2CachingAgent<T> extends KubernetesCachingAgent<KubernetesV2Credentials> { | ||
| protected KubernetesV2CachingAgent(KubernetesNamedAccountCredentials<KubernetesV2Credentials> namedAccountCredentials, | ||
| ObjectMapper objectMapper, | ||
| Registry registry, | ||
| int agentIndex, | ||
| int agentCount) { | ||
| super(namedAccountCredentials, objectMapper, registry, agentIndex, agentCount); | ||
| } | ||
|
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| @Override | ||
| public CacheResult loadData(ProviderCache providerCache) { | ||
| reloadNamespaces(); | ||
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| List<CacheData> resourceData = loadPrimaryResource().stream() | ||
| .map(rs -> KubernetesCacheDataConverter.fromResource(accountName, objectMapper, rs)) | ||
| .filter(Objects::nonNull) | ||
| .collect(Collectors.toList()); | ||
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| List<CacheData> invertedRelationships = resourceData.stream() | ||
| .map(KubernetesCacheDataConverter::invertRelationships) | ||
| .flatMap(Collection::stream) | ||
| .collect(Collectors.toList()); | ||
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| resourceData.addAll(invertedRelationships); | ||
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| Map<String, Collection<CacheData>> entries = KubernetesCacheDataConverter.stratifyCacheDataByGroup(resourceData); | ||
| KubernetesCacheDataConverter.logStratifiedCacheData(getAgentType(), entries); | ||
|
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| return new DefaultCacheResult(entries); | ||
| } | ||
|
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| protected abstract List<T> loadPrimaryResource(); | ||
| } |
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74 changes: 74 additions & 0 deletions
74
...ix/spinnaker/clouddriver/kubernetes/v2/caching/agent/KubernetesPodCachingAgentSpec.groovy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * Copyright 2017 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.caching.agent | ||
|
|
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| import com.fasterxml.jackson.databind.ObjectMapper | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.security.KubernetesNamedAccountCredentials | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.Keys | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.KubernetesApiVersion | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.KubernetesKind | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.security.KubernetesV2Credentials | ||
| import io.kubernetes.client.models.V1ObjectMeta | ||
| import io.kubernetes.client.models.V1Pod | ||
| import spock.lang.Specification | ||
|
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| class KubernetesPodCachingAgentSpec extends Specification { | ||
| def ACCOUNT = "my-account" | ||
| def CLUSTER = "my-cluster" | ||
| def APPLICATION = "my-application" | ||
| def NAME = "the-name" | ||
| def NAMESPACE = "your-namespace" | ||
|
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| void "invokes caching agent on output pod"() { | ||
| setup: | ||
| def pod = new V1Pod() | ||
| def annotations = [ | ||
| 'relationships.spinnaker.io/cluster': '"' + CLUSTER + '"', | ||
| 'relationships.spinnaker.io/application': '"' + APPLICATION + '"' | ||
| ] | ||
|
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| def metadata = new V1ObjectMeta() | ||
| metadata.setAnnotations(annotations) | ||
| metadata.setName(NAME) | ||
| metadata.setNamespace(NAMESPACE) | ||
| pod.setMetadata(metadata) | ||
| pod.setKind(KubernetesKind.REPLICA_SET.name) | ||
| pod.setApiVersion(KubernetesApiVersion.EXTENSIONS_V1BETA1.name) | ||
|
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| def credentials = Mock(KubernetesV2Credentials) | ||
| credentials.getDeclaredNamespaces() >> [NAMESPACE] | ||
| credentials.listAllPods(NAMESPACE) >> [pod] | ||
|
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| def namedAccountCredentials = Mock(KubernetesNamedAccountCredentials) | ||
| namedAccountCredentials.getCredentials() >> credentials | ||
| namedAccountCredentials.getName() >> ACCOUNT | ||
|
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| def cachingAgent = new KubernetesPodCachingAgent(namedAccountCredentials, new ObjectMapper(), null, 0, 1) | ||
|
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| when: | ||
| def result = cachingAgent.loadData(null) | ||
|
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| then: | ||
| result.cacheResults[KubernetesKind.REPLICA_SET.name].size() == 1 | ||
| def cacheData = result.cacheResults[KubernetesKind.REPLICA_SET.name].iterator().next() | ||
| cacheData.relationships.get(Keys.LogicalKind.CLUSTER.toString()) == [Keys.cluster(ACCOUNT, CLUSTER)] | ||
| cacheData.relationships.get(Keys.LogicalKind.APPLICATION.toString()) == [Keys.application(APPLICATION)] | ||
| cacheData.attributes.get("name") == NAME | ||
| cacheData.attributes.get("namespace") == NAMESPACE | ||
| } | ||
| } |