Package brooklyn.entity.group

Examples of brooklyn.entity.group.DynamicCluster

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        EntitySpec<?> dockerHostSpec = EntitySpec.create(getConfig(DOCKER_HOST_SPEC))
                .configure(DockerHost.DOCKER_INFRASTRUCTURE, this)
                .configure(SoftwareProcess.SUGGESTED_VERSION, getConfig(DOCKER_VERSION))
                .configure(SoftwareProcess.CHILDREN_STARTABLE_MODE, ChildStartableMode.BACKGROUND_LATE);

        DynamicCluster hosts = addChild(EntitySpec.create(DynamicCluster.class)
                .configure(Cluster.INITIAL_SIZE, initialSize)
                .configure(DynamicCluster.QUARANTINE_FAILED_ENTITIES, true)
                .configure(DynamicCluster.MEMBER_SPEC, dockerHostSpec)
                .displayName("Docker Hosts"));

        DynamicGroup fabric = addChild(EntitySpec.create(DynamicGroup.class)
                .configure(DynamicGroup.ENTITY_FILTER, Predicates.and(Predicates.instanceOf(DockerContainer.class), EntityPredicates.attributeEqualTo(DockerContainer.DOCKER_INFRASTRUCTURE, this)))
                .configure(DynamicGroup.MEMBER_DELEGATE_CHILDREN, true)
                .displayName("All Docker Containers"));

        DynamicMultiGroup buckets = addChild(EntitySpec.create(DynamicMultiGroup.class)
                .configure(DynamicMultiGroup.ENTITY_FILTER, sameInfrastructure)
                .configure(DynamicMultiGroup.RESCAN_INTERVAL, 15L)
                .configure(DynamicMultiGroup.BUCKET_FUNCTION, new Function<Entity, String>() {
                        @Override
                        public String apply(@Nullable Entity input) {
                            return input.getApplication().getDisplayName() + ":" + input.getApplicationId();
                        }
                    })
                .configure(DynamicMultiGroup.BUCKET_SPEC, EntitySpec.create(BasicGroup.class)
                        .configure(BasicGroup.MEMBER_DELEGATE_CHILDREN, true))
                .displayName("Docker Applications"));

        if (getConfig(WEAVE_ENABLED)) {
            WeaveInfrastructure weave = addChild(EntitySpec.create(WeaveInfrastructure.class)
                    .configure(WeaveInfrastructure.DOCKER_INFRASTRUCTURE, this));
            setAttribute(WEAVE_INFRASTRUCTURE, weave);

            if (Entities.isManaged(this)) {
                Entities.manage(weave);
            }
        }

        if (Entities.isManaged(this)) {
            Entities.manage(hosts);
            Entities.manage(fabric);
            Entities.manage(buckets);
        }
        setAttribute(DOCKER_HOST_CLUSTER, hosts);
        setAttribute(DOCKER_CONTAINER_FABRIC, fabric);
        setAttribute(DOCKER_APPLICATIONS, buckets);

        hosts.addEnricher(Enrichers.builder()
                .aggregating(DockerHost.CPU_USAGE)
                .computingAverage()
                .fromMembers()
                .publishing(MachineAttributes.AVERAGE_CPU_USAGE)
                .valueToReportIfNoSensors(0d)
                .build());
        hosts.addEnricher(Enrichers.builder()
                .aggregating(DOCKER_CONTAINER_COUNT)
                .computingSum()
                .fromMembers()
                .publishing(DOCKER_CONTAINER_COUNT)
                .build());
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            dockerContainerSpec.policy(PolicySpec.create(ServiceRestarter.class)
                    .configure(ServiceRestarter.FAILURE_SENSOR_TO_MONITOR, ServiceFailureDetector.ENTITY_FAILED));
        }
        setAttribute(DOCKER_CONTAINER_SPEC, dockerContainerSpec);

        DynamicCluster containers = addChild(EntitySpec.create(DynamicCluster.class)
                .configure(Cluster.INITIAL_SIZE, 0)
                .configure(DynamicCluster.QUARANTINE_FAILED_ENTITIES, false)
                .configure(DynamicCluster.MEMBER_SPEC, dockerContainerSpec)
                .displayName("Docker Containers"));
        if (getConfig(HA_POLICY_ENABLE)) {
            containers.addPolicy(PolicySpec.create(ServiceReplacer.class)
                    .configure(ServiceReplacer.FAILURE_SENSOR_TO_MONITOR, ServiceRestarter.ENTITY_RESTART_FAILED));
        }
        setAttribute(DOCKER_CONTAINER_CLUSTER, containers);

        if (Entities.isManaged(this)) Entities.manage(containers);
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                    .putAll(flags)
                    .put("entity", entity)
                    .putIfNotNull("imageId", imageId)
                    .putIfNotNull("hardwareId", hardwareId)
                    .build();
            DynamicCluster cluster = dockerHost.getDockerContainerCluster();
            Entity added = cluster.addNode(machine, containerFlags);
            if (added == null) {
                throw new NoMachinesAvailableException(String.format("Failed to create container at %s", dockerHost.getDockerHostName()));
            } else {
                Entities.start(added, ImmutableList.of(machine));
            }
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    public void release(DockerContainerLocation machine) {
        acquireMutex(CONTAINER_MUTEX, "Releasing container " + machine);
        try {
            LOG.info("Releasing {}", machine);

            DynamicCluster cluster = dockerHost.getDockerContainerCluster();
            DockerContainer container = machine.getOwner();
            if (cluster.removeMember(container)) {
                LOG.info("Docker Host {}: member {} released", dockerHost.getDockerHostName(), machine);
            } else {
                LOG.warn("Docker Host {}: member {} not found for release", dockerHost.getDockerHostName(), machine);
            }
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        }
    }

    protected void remove(DockerHostLocation machine) {
        LOG.info("Releasing {}", machine);
        DynamicCluster cluster = infrastructure.getDockerHostCluster();
        DockerHost host = machine.getOwner();
        if (cluster.removeMember(host)) {
            LOG.info("Docker Host {} released", host.getDockerHostName());
        } else {
            LOG.warn("Docker Host {} not found for release", host.getDockerHostName());
        }
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Related Classes of brooklyn.entity.group.DynamicCluster

  • brooklyn.entity.container.docker.DockerHostImpl
  • brooklyn.entity.container.docker.DockerInfrastructureImpl
  • brooklyn.location.docker.DockerHostLocation
  • brooklyn.location.docker.DockerLocation
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