Example usage for com.amazonaws.services.cloudformation.model UpdateStackRequest setUsePreviousTemplate

Introduction

In this page you can find the example usage for com.amazonaws.services.cloudformation.model UpdateStackRequest setUsePreviousTemplate.

Prototype

public void setUsePreviousTemplate(Boolean usePreviousTemplate) 

Source Link

Document

Reuse the existing template that is associated with the stack that you are updating.

Usage

From source file:de.taimos.pipeline.aws.cloudformation.CloudFormationStack.java

License:Apache License

public void update(String templateBody, String templateUrl, Collection<Parameter> params, Collection<Tag> tags,
        long pollIntervallMillis, String roleArn) throws ExecutionException {
    try {/* w ww  . j  ava  2  s  .c o m*/
        UpdateStackRequest req = new UpdateStackRequest();
        req.withStackName(this.stack).withCapabilities(Capability.CAPABILITY_IAM,
                Capability.CAPABILITY_NAMED_IAM);

        if (templateBody != null && !templateBody.isEmpty()) {
            req.setTemplateBody(templateBody);
        } else if (templateUrl != null && !templateUrl.isEmpty()) {
            req.setTemplateURL(templateUrl);
        } else {
            req.setUsePreviousTemplate(true);
        }

        req.withParameters(params).withTags(tags).withRoleARN(roleArn);

        this.client.updateStack(req);

        new EventPrinter(this.client, this.listener).waitAndPrintStackEvents(this.stack,
                this.client.waiters().stackUpdateComplete(), pollIntervallMillis);

        this.listener.getLogger().format("Updated CloudFormation stack %s %n", this.stack);

    } catch (AmazonCloudFormationException e) {
        if (e.getMessage().contains("No updates are to be performed")) {
            this.listener.getLogger().format("No updates were needed for CloudFormation stack %s %n",
                    this.stack);
            return;
        }
        this.listener.getLogger().format("Failed to update CloudFormation stack %s %n", this.stack);
        throw e;
    }
}

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