Example usage for com.amazonaws.services.cloudformation AmazonCloudFormation executeChangeSet

Introduction

In this page you can find the example usage for com.amazonaws.services.cloudformation AmazonCloudFormation executeChangeSet.

Prototype

ExecuteChangeSetResult executeChangeSet(ExecuteChangeSetRequest executeChangeSetRequest);

Source Link

Document

Updates a stack using the input information that was provided when the specified change set was created.

Usage

From source file:jp.classmethod.aws.gradle.cloudformation.AmazonCloudFormationExecuteChangeSetTask.java

License:Apache License

@TaskAction
public void executeChangeSet() throws InterruptedException, IOException {
    // to enable conventionMappings feature
    String stackName = getStackName();

    if (stackName == null) {
        throw new GradleException("stackName is not specified");
    }//from w  w w. j  a v  a 2s.  c  om

    AmazonCloudFormationPluginExtension ext = getProject().getExtensions()
            .getByType(AmazonCloudFormationPluginExtension.class);
    AmazonCloudFormation cfn = ext.getClient();

    try {
        DescribeStacksResult describeStackResult = cfn
                .describeStacks(new DescribeStacksRequest().withStackName(stackName));
        Stack stack = describeStackResult.getStacks().get(0);

        if (stableStatuses.contains(stack.getStackStatus())) {
            Optional<ChangeSetSummary> summary = getLatestChangeSetSummary(cfn);
            String changeSetName = summary
                    .orElseThrow(
                            () -> new GradleException("ChangeSet for stack " + stackName + " was not found."))
                    .getChangeSetName();
            ExecuteChangeSetRequest req = new ExecuteChangeSetRequest().withStackName(stackName)
                    .withChangeSetName(changeSetName);
            cfn.executeChangeSet(req);
            getLogger().info("ChangeSet is executed : {}, {}", stackName, changeSetName);
        } else {
            throw new GradleException("invalid status for update: " + stack.getStackStatus());
        }
    } catch (AmazonServiceException e) {
        if (e.getMessage().contains("does not exist")) {
            getLogger().warn("stack {} not found", stackName);
        } else if (e.getMessage().contains("No updates are to be performed.")) {
            getLogger().trace(e.getMessage());
        } else {
            throw e;
        }
    }

}

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