| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * 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 org.onosproject.k8snetworking.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| import io.fabric8.kubernetes.api.model.Affinity; |
| import io.fabric8.kubernetes.api.model.Capabilities; |
| import io.fabric8.kubernetes.api.model.ConfigMapEnvSource; |
| import io.fabric8.kubernetes.api.model.ConfigMapKeySelector; |
| import io.fabric8.kubernetes.api.model.ConfigMapVolumeSource; |
| import io.fabric8.kubernetes.api.model.Container; |
| import io.fabric8.kubernetes.api.model.ContainerPort; |
| import io.fabric8.kubernetes.api.model.ContainerState; |
| import io.fabric8.kubernetes.api.model.ContainerStateRunning; |
| import io.fabric8.kubernetes.api.model.ContainerStateTerminated; |
| import io.fabric8.kubernetes.api.model.ContainerStateWaiting; |
| import io.fabric8.kubernetes.api.model.ContainerStatus; |
| import io.fabric8.kubernetes.api.model.EmptyDirVolumeSource; |
| import io.fabric8.kubernetes.api.model.EnvFromSource; |
| import io.fabric8.kubernetes.api.model.EnvVar; |
| import io.fabric8.kubernetes.api.model.EnvVarSource; |
| import io.fabric8.kubernetes.api.model.ExecAction; |
| import io.fabric8.kubernetes.api.model.FieldsV1; |
| import io.fabric8.kubernetes.api.model.HTTPGetAction; |
| import io.fabric8.kubernetes.api.model.HTTPHeader; |
| import io.fabric8.kubernetes.api.model.HostPathVolumeSource; |
| import io.fabric8.kubernetes.api.model.IntOrString; |
| import io.fabric8.kubernetes.api.model.KeyToPath; |
| import io.fabric8.kubernetes.api.model.LabelSelector; |
| import io.fabric8.kubernetes.api.model.LabelSelectorRequirement; |
| import io.fabric8.kubernetes.api.model.Lifecycle; |
| import io.fabric8.kubernetes.api.model.ManagedFieldsEntry; |
| import io.fabric8.kubernetes.api.model.NodeAffinity; |
| import io.fabric8.kubernetes.api.model.NodeSelector; |
| import io.fabric8.kubernetes.api.model.NodeSelectorRequirement; |
| import io.fabric8.kubernetes.api.model.NodeSelectorTerm; |
| import io.fabric8.kubernetes.api.model.ObjectFieldSelector; |
| import io.fabric8.kubernetes.api.model.ObjectMeta; |
| import io.fabric8.kubernetes.api.model.OwnerReference; |
| import io.fabric8.kubernetes.api.model.PersistentVolumeClaimVolumeSource; |
| import io.fabric8.kubernetes.api.model.Pod; |
| import io.fabric8.kubernetes.api.model.PodAffinity; |
| import io.fabric8.kubernetes.api.model.PodAffinityTerm; |
| import io.fabric8.kubernetes.api.model.PodAntiAffinity; |
| import io.fabric8.kubernetes.api.model.PodCondition; |
| import io.fabric8.kubernetes.api.model.PodIP; |
| import io.fabric8.kubernetes.api.model.PodSecurityContext; |
| import io.fabric8.kubernetes.api.model.PodSpec; |
| import io.fabric8.kubernetes.api.model.PodStatus; |
| import io.fabric8.kubernetes.api.model.PreferredSchedulingTerm; |
| import io.fabric8.kubernetes.api.model.Probe; |
| import io.fabric8.kubernetes.api.model.Quantity; |
| import io.fabric8.kubernetes.api.model.ResourceFieldSelector; |
| import io.fabric8.kubernetes.api.model.ResourceRequirements; |
| import io.fabric8.kubernetes.api.model.SELinuxOptions; |
| import io.fabric8.kubernetes.api.model.SecretEnvSource; |
| import io.fabric8.kubernetes.api.model.SecretKeySelector; |
| import io.fabric8.kubernetes.api.model.SecretVolumeSource; |
| import io.fabric8.kubernetes.api.model.SecurityContext; |
| import io.fabric8.kubernetes.api.model.TCPSocketAction; |
| import io.fabric8.kubernetes.api.model.Toleration; |
| import io.fabric8.kubernetes.api.model.Volume; |
| import io.fabric8.kubernetes.api.model.VolumeDevice; |
| import io.fabric8.kubernetes.api.model.VolumeMount; |
| import io.fabric8.kubernetes.api.model.WeightedPodAffinityTerm; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.k8snetworking.api.K8sPodEvent; |
| import org.onosproject.k8snetworking.api.K8sPodStore; |
| import org.onosproject.k8snetworking.api.K8sPodStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.MapEvent; |
| import org.onosproject.store.service.MapEventListener; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.Versioned; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_ANNOTATION_ADDED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_COMPLETED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_CRASH_LOOP_BACK_OFF; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_CREATED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_FAILED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_PENDING; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_REMOVED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_RUNNING; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_SUCCEEDED; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_UNKNOWN; |
| import static org.onosproject.k8snetworking.api.K8sPodEvent.Type.K8S_POD_UPDATED; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of kubernetes pod store using consistent map. |
| */ |
| @Component(immediate = true, service = K8sPodStore.class) |
| public class DistributedK8sPodStore |
| extends AbstractStore<K8sPodEvent, K8sPodStoreDelegate> |
| implements K8sPodStore { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String ERR_NOT_FOUND = " does not exist"; |
| private static final String ERR_DUPLICATE = " already exists"; |
| private static final String APP_ID = "org.onosproject.k8snetwork"; |
| |
| private static final String PENDING = "Pending"; |
| private static final String RUNNING = "Running"; |
| private static final String SUCCEEDED = "Succeeded"; |
| private static final String FAILED = "Failed"; |
| private static final String UNKNOWN = "Unknown"; |
| private static final String COMPLETED = "Completed"; |
| private static final String CRASH_LOOP_BACK_OFF = "CrashLoopBackOff"; |
| |
| private static final KryoNamespace |
| SERIALIZER_K8S_POD = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(Pod.class) |
| .register(ObjectMeta.class) |
| .register(PodSpec.class) |
| .register(PodStatus.class) |
| .register(PodCondition.class) |
| .register(PodIP.class) |
| .register(Container.class) |
| .register(EnvVar.class) |
| .register(EnvVarSource.class) |
| .register(EnvFromSource.class) |
| .register(ConfigMapEnvSource.class) |
| .register(ConfigMapKeySelector.class) |
| .register(ObjectFieldSelector.class) |
| .register(ResourceFieldSelector.class) |
| .register(SecretKeySelector.class) |
| .register(Lifecycle.class) |
| .register(SecretEnvSource.class) |
| .register(ContainerStatus.class) |
| .register(ContainerState.class) |
| .register(ContainerStateRunning.class) |
| .register(ContainerStateTerminated.class) |
| .register(ContainerStateWaiting.class) |
| .register(OwnerReference.class) |
| .register(Probe.class) |
| .register(ExecAction.class) |
| .register(HTTPGetAction.class) |
| .register(HTTPHeader.class) |
| .register(TCPSocketAction.class) |
| .register(ContainerPort.class) |
| .register(ResourceRequirements.class) |
| .register(SecurityContext.class) |
| .register(PodSecurityContext.class) |
| .register(SELinuxOptions.class) |
| .register(Volume.class) |
| .register(VolumeDevice.class) |
| .register(VolumeMount.class) |
| .register(IntOrString.class) |
| .register(Toleration.class) |
| .register(PersistentVolumeClaimVolumeSource.class) |
| .register(SecretVolumeSource.class) |
| .register(EmptyDirVolumeSource.class) |
| .register(Quantity.class) |
| .register(Capabilities.class) |
| .register(ConfigMapVolumeSource.class) |
| .register(KeyToPath.class) |
| .register(HostPathVolumeSource.class) |
| .register(Affinity.class) |
| .register(NodeAffinity.class) |
| .register(NodeSelector.class) |
| .register(NodeSelectorTerm.class) |
| .register(NodeSelectorRequirement.class) |
| .register(PreferredSchedulingTerm.class) |
| .register(PodAffinity.class) |
| .register(WeightedPodAffinityTerm.class) |
| .register(PodAffinityTerm.class) |
| .register(LabelSelector.class) |
| .register(LabelSelectorRequirement.class) |
| .register(PodAntiAffinity.class) |
| .register(ManagedFieldsEntry.class) |
| .register(FieldsV1.class) |
| .register(LinkedHashMap.class) |
| .register(Collection.class) |
| .build(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| private final MapEventListener<String, Pod> podMapListener = new K8sPodMapListener(); |
| |
| private ConsistentMap<String, Pod> podStore; |
| |
| @Activate |
| protected void activate() { |
| ApplicationId appId = coreService.registerApplication(APP_ID); |
| podStore = storageService.<String, Pod>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_POD)) |
| .withName("k8s-pod-store") |
| .withApplicationId(appId) |
| .build(); |
| |
| podStore.addListener(podMapListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| podStore.removeListener(podMapListener); |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createPod(Pod pod) { |
| podStore.compute(pod.getMetadata().getUid(), (uid, existing) -> { |
| final String error = pod.getMetadata().getUid() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return pod; |
| }); |
| } |
| |
| @Override |
| public void updatePod(Pod pod) { |
| podStore.compute(pod.getMetadata().getUid(), (uid, existing) -> { |
| final String error = pod.getMetadata().getUid() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return pod; |
| }); |
| } |
| |
| @Override |
| public Pod removePod(String uid) { |
| Versioned<Pod> pod = podStore.remove(uid); |
| if (pod == null) { |
| final String error = uid + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return pod.value(); |
| } |
| |
| @Override |
| public Pod pod(String uid) { |
| return podStore.asJavaMap().get(uid); |
| } |
| |
| @Override |
| public Set<Pod> pods() { |
| return ImmutableSet.copyOf(podStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void clear() { |
| podStore.clear(); |
| } |
| |
| private class K8sPodMapListener implements MapEventListener<String, Pod> { |
| |
| @Override |
| public void event(MapEvent<String, Pod> event) { |
| |
| switch (event.type()) { |
| case INSERT: |
| log.debug("Kubernetes pod created {}", event.newValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_CREATED, event.newValue().value()))); |
| break; |
| case UPDATE: |
| log.debug("Kubernetes pod updated {}", event.newValue()); |
| eventExecutor.execute(() -> processUpdate(event)); |
| break; |
| case REMOVE: |
| log.debug("Kubernetes pod removed {}", event.oldValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_REMOVED, event.oldValue().value()))); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| |
| private void processUpdate(MapEvent<String, Pod> event) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_UPDATED, event.newValue().value())); |
| |
| String oldPhase = event.oldValue().value().getStatus().getPhase(); |
| String newPhase = event.newValue().value().getStatus().getPhase(); |
| |
| if (!PENDING.equals(oldPhase) && PENDING.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_PENDING, event.newValue().value())); |
| } |
| |
| if (!RUNNING.equals(oldPhase) && RUNNING.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_RUNNING, event.newValue().value())); |
| } |
| |
| if (!SUCCEEDED.equals(oldPhase) && SUCCEEDED.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_SUCCEEDED, event.newValue().value())); |
| } |
| |
| if (!FAILED.equals(oldPhase) && FAILED.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_FAILED, event.newValue().value())); |
| } |
| |
| if (!UNKNOWN.equals(oldPhase) && UNKNOWN.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_UNKNOWN, event.newValue().value())); |
| } |
| |
| if (!COMPLETED.equals(oldPhase) && COMPLETED.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_COMPLETED, event.newValue().value())); |
| } |
| |
| if (!CRASH_LOOP_BACK_OFF.equals(oldPhase) && CRASH_LOOP_BACK_OFF.equals(newPhase)) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_CRASH_LOOP_BACK_OFF, event.newValue().value())); |
| } |
| |
| Map<String, String> oldAnnot = event.oldValue().value().getMetadata().getAnnotations(); |
| Map<String, String> newAnnot = event.newValue().value().getMetadata().getAnnotations(); |
| |
| if (oldAnnot == null && newAnnot != null) { |
| notifyDelegate(new K8sPodEvent( |
| K8S_POD_ANNOTATION_ADDED, event.newValue().value())); |
| } |
| } |
| } |
| } |