Example usage for com.amazonaws.services.cloudformation AmazonCloudFormationAsyncClient getTemplate

Introduction

In this page you can find the example usage for com.amazonaws.services.cloudformation AmazonCloudFormationAsyncClient getTemplate.

Prototype

GetTemplateResult getTemplate(GetTemplateRequest getTemplateRequest);

Source Link

Document

Returns the template body for a specified stack.

Usage

From source file:com.mweagle.tereus.commands.pipelines.UpdatePipeline.java

License:Open Source License

protected void publishGlobals(ScriptEngine engine) {
    super.publishGlobals(engine);

    // Publish a function that accepts a stack target name, defined by the patch
    // file, that represents the target.  We'll push all this
    Function<String, String> fnStackInfo = (stackName) -> {
        // Get the information...
        final GetTemplateRequest templateRequest = new GetTemplateRequest().withStackName(stackName);
        final AmazonCloudFormationAsyncClient awsClient = new AmazonCloudFormationAsyncClient(
                super.getAwsCredentials());
        awsClient.setRegion(super.getRegion());
        final GetTemplateResult stackTemplateResult = awsClient.getTemplate(templateRequest);

        // Get the stack info and return it
        final DescribeStacksRequest describeRequest = new DescribeStacksRequest().withStackName(stackName);
        final DescribeStacksResult describeResult = awsClient.describeStacks(describeRequest);

        // And finally the tags and parameters
        final Stack stackInfo = !describeResult.getStacks().isEmpty() ? describeResult.getStacks().get(0)
                : null;/* w  w w  . j  a  v  a 2  s  .c  o m*/
        final Map<String, Object> tags = (stackInfo != null)
                ? stackInfo.getTags().stream().collect(Collectors.toMap(Tag::getKey, Tag::getValue))
                : Collections.emptyMap();

        final Map<String, Object> params = (stackInfo != null)
                ? stackInfo.getParameters().stream()
                        .collect(Collectors.toMap(Parameter::getParameterKey, Parameter::getParameterValue))
                : Collections.emptyMap();

        HashMap<String, Object> results = new HashMap<>();
        results.put("tags", tags);
        results.put("params", params);
        results.put("stack", stackInfo);
        results.put("template", stackTemplateResult.getTemplateBody().toString());
        Gson gson = new Gson();
        return gson.toJson(results);
    };
    engine.put("TargetStackInfoImpl", fnStackInfo);

    Supplier<String> fnArgs = () -> {
        HashMap<String, Map<String, Object>> args = new HashMap<>();
        args.put("arguments", this.arguments);
        Gson gson = new Gson();
        return gson.toJson(args);
    };
    engine.put("ArgumentsImpl", fnArgs);
}

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