Example usage for com.amazonaws.services.rds AmazonRDS describeDBClusters

Introduction

In this page you can find the example usage for com.amazonaws.services.rds AmazonRDS describeDBClusters.

Prototype

DescribeDBClustersResult describeDBClusters(DescribeDBClustersRequest describeDBClustersRequest);

Source Link

Document

Returns information about provisioned Aurora DB clusters.

Usage

From source file:jp.classmethod.aws.gradle.rds.AmazonRDSWaitClusterStatusTask.java

License:Apache License

@TaskAction
public void waitClusterForStatus() { // NOPMD
    // to enable conventionMappings feature
    String dbClusterIdentifier = getDbClusterIdentifier();
    List<String> successStatuses = getSuccessStatuses();
    List<String> waitStatuses = getWaitStatuses();
    int loopTimeout = getLoopTimeout();
    int loopWait = getLoopWait();

    if (dbClusterIdentifier == null) {
        throw new GradleException("dbClusterIdentifier is not specified");
    }//from   ww w  .j  av a2 s. co  m

    AmazonRDSPluginExtension ext = getProject().getExtensions().getByType(AmazonRDSPluginExtension.class);
    AmazonRDS rds = ext.getClient();

    long start = System.currentTimeMillis();
    while (true) {
        if (System.currentTimeMillis() > start + (loopTimeout * 1000)) {
            throw new GradleException("Timeout");
        }
        try {
            DescribeDBClustersResult dir = rds.describeDBClusters(
                    new DescribeDBClustersRequest().withDBClusterIdentifier(dbClusterIdentifier));
            DBCluster dbCluster = dir.getDBClusters().get(0);

            found = true;
            lastStatus = dbCluster.getStatus();
            if (successStatuses.contains(lastStatus)) {
                getLogger().info("Status of DB cluster {} is now {}.", dbClusterIdentifier, lastStatus);
                break;
            } else if (waitStatuses.contains(lastStatus)) {
                getLogger().info("Status of DB cluster {} is {}...", dbClusterIdentifier, lastStatus);
                try {
                    Thread.sleep(loopWait * 1000);
                } catch (InterruptedException e) {
                    throw new GradleException("Sleep interrupted", e);
                }
            } else {
                // fail when current status is not waitStatuses or successStatuses
                throw new GradleException(
                        "Status of " + dbClusterIdentifier + " is " + lastStatus + ".  It seems to be failed.");
            }
        } catch (DBClusterNotFoundException e) {
            throw new GradleException(dbClusterIdentifier + " does not exist", e);
        } catch (AmazonServiceException e) {
            if (found) {
                break;
            } else {
                throw new GradleException("Fail to describe instance: " + dbClusterIdentifier, e);
            }
        }
    }
}

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