Example usage for com.amazonaws.services.ecs.model ListContainerInstancesResult getContainerInstanceArns

Introduction

In this page you can find the example usage for com.amazonaws.services.ecs.model ListContainerInstancesResult getContainerInstanceArns.

Prototype

public java.util.List<String> getContainerInstanceArns() 

Source Link

Document

The list of container instances with full ARN entries for each container instance associated with the specified cluster.

Usage

From source file:com.cloudbees.jenkins.plugins.amazonecs.ECSService.java

License:Open Source License

void waitForSufficientClusterResources(Date timeout, ECSTaskTemplate template, String clusterArn)
        throws InterruptedException, AbortException {
    AmazonECSClient client = getAmazonECSClient();

    boolean hasEnoughResources = false;
    WHILE: do {/*ww w  .  j  av a2  s . co  m*/
        ListContainerInstancesResult listContainerInstances = client
                .listContainerInstances(new ListContainerInstancesRequest().withCluster(clusterArn));
        DescribeContainerInstancesResult containerInstancesDesc = client
                .describeContainerInstances(new DescribeContainerInstancesRequest()
                        .withContainerInstances(listContainerInstances.getContainerInstanceArns())
                        .withCluster(clusterArn));
        LOGGER.log(Level.INFO, "Found {0} instances", containerInstancesDesc.getContainerInstances().size());
        for (ContainerInstance instance : containerInstancesDesc.getContainerInstances()) {
            LOGGER.log(Level.INFO, "Resources found in instance {1}: {0}",
                    new Object[] { instance.getRemainingResources(), instance.getContainerInstanceArn() });
            Resource memoryResource = null;
            Resource cpuResource = null;
            for (Resource resource : instance.getRemainingResources()) {
                if ("MEMORY".equals(resource.getName())) {
                    memoryResource = resource;
                } else if ("CPU".equals(resource.getName())) {
                    cpuResource = resource;
                }
            }

            LOGGER.log(Level.INFO, "Instance {0} has {1}mb of free memory. {2}mb are required",
                    new Object[] { instance.getContainerInstanceArn(), memoryResource.getIntegerValue(),
                            template.getMemory() });
            LOGGER.log(Level.INFO, "Instance {0} has {1} units of free cpu. {2} units are required",
                    new Object[] { instance.getContainerInstanceArn(), cpuResource.getIntegerValue(),
                            template.getCpu() });
            if (memoryResource.getIntegerValue() >= template.getMemory()
                    && cpuResource.getIntegerValue() >= template.getCpu()) {
                hasEnoughResources = true;
                break WHILE;
            }
        }

        // sleep 10s and check memory again
        Thread.sleep(10000);
    } while (!hasEnoughResources && timeout.after(new Date()));

    if (!hasEnoughResources) {
        final String msg = MessageFormat.format(
                "Timeout while waiting for sufficient resources: {0} cpu units, {1}mb free memory",
                template.getCpu(), template.getMemory());
        LOGGER.log(Level.WARNING, msg);
        throw new AbortException(msg);
    }
}

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From source file:com.netflix.spinnaker.clouddriver.ecs.provider.agent.ContainerInstanceCachingAgent.java

License:Apache License

@Override
protected List<ContainerInstance> getItems(AmazonECS ecs, ProviderCache providerCache) {
    List<ContainerInstance> containerInstanceList = new LinkedList<>();
    Set<String> clusters = getClusters(ecs, providerCache);

    for (String cluster : clusters) {
        String nextToken = null;//from w  w  w  .j a v  a2 s  .co m
        do {
            ListContainerInstancesRequest listContainerInstancesRequest = new ListContainerInstancesRequest()
                    .withCluster(cluster);
            if (nextToken != null) {
                listContainerInstancesRequest.setNextToken(nextToken);
            }

            ListContainerInstancesResult listContainerInstancesResult = ecs
                    .listContainerInstances(listContainerInstancesRequest);
            List<String> containerInstanceArns = listContainerInstancesResult.getContainerInstanceArns();
            if (containerInstanceArns.size() == 0) {
                continue;
            }

            List<ContainerInstance> containerInstances = ecs
                    .describeContainerInstances(new DescribeContainerInstancesRequest().withCluster(cluster)
                            .withContainerInstances(containerInstanceArns))
                    .getContainerInstances();
            containerInstanceList.addAll(containerInstances);

            nextToken = listContainerInstancesResult.getNextToken();
        } while (nextToken != null && nextToken.length() != 0);
    }
    return containerInstanceList;
}

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From source file:com.steelbridgelabs.oss.neo4j.cluster.ecs.AutoscalingGroupMembers.java

License:Apache License

private static List<String> containerInstanceArns(AmazonECS client, String cluster) {
    // create request
    ListContainerInstancesRequest request = new ListContainerInstancesRequest();
    // specify cluster name
    request.withCluster(cluster);/*  ww  w .j  a  v  a2 s.  c  om*/
    // next token
    String token = null;
    // container instance arns
    List<String> list = new ArrayList<>();
    do {
        // set next token
        request.setNextToken(token);
        // describe instances
        ListContainerInstancesResult result = client.listContainerInstances(request);
        // get container instance arns
        list.addAll(result.getContainerInstanceArns());
        // check we have more data to retrieve
        token = result.getNextToken();
    } while (token != null);
    // return arns
    return list;
}

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