Example usage for com.amazonaws.regions DefaultAwsRegionProviderChain getRegion

Introduction

In this page you can find the example usage for com.amazonaws.regions DefaultAwsRegionProviderChain getRegion.

Prototype

@Override
    public String getRegion() throws SdkClientException 

Source Link

Usage

From source file:com.cloudbees.jenkins.plugins.awscredentials.AWSCredentialsImpl.java

License:Open Source License

public AWSCredentials getCredentials() {
    AWSCredentials initialCredentials = new BasicAWSCredentials(accessKey, secretKey.getPlainText());

    if (StringUtils.isBlank(iamRoleArn)) {
        return initialCredentials;
    } else {//w w w .  j  ava  2 s.c  o  m
        // Check for available region from the SDK, otherwise specify default
        String clientRegion = null;
        DefaultAwsRegionProviderChain sdkRegionLookup = new DefaultAwsRegionProviderChain();
        try {
            clientRegion = sdkRegionLookup.getRegion();
        } catch (com.amazonaws.SdkClientException e) {
            LOGGER.log(Level.WARNING, "Could not find default region using SDK lookup.", e);
        }
        if (clientRegion == null) {
            clientRegion = Regions.DEFAULT_REGION.getName();
        }

        AWSSecurityTokenService client;
        // Handle the case of delegation to instance profile
        if (StringUtils.isBlank(accessKey) && StringUtils.isBlank(secretKey.getPlainText())) {
            client = AWSSecurityTokenServiceClientBuilder.standard().withRegion(clientRegion).build();
        } else {
            client = AWSSecurityTokenServiceClientBuilder.standard()
                    .withCredentials(new AWSStaticCredentialsProvider(initialCredentials))
                    .withRegion(clientRegion).build();
        }

        AssumeRoleRequest assumeRequest = createAssumeRoleRequest(iamRoleArn)
                .withDurationSeconds(this.getStsTokenDuration());

        AssumeRoleResult assumeResult = client.assumeRole(assumeRequest);

        return new BasicSessionCredentials(assumeResult.getCredentials().getAccessKeyId(),
                assumeResult.getCredentials().getSecretAccessKey(),
                assumeResult.getCredentials().getSessionToken());
    }
}

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