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Request Signer for Amazon Managed Prometheus (AMP)

Request signer implementation for Amazon Managed Prometheus (AMP).

The signer retrieves AWS credential using the default credential provider chain, that searches for credentials in the following order: ENV_VARS, SYS_PROPS, WEB_IDENTITY_TOKEN, PROFILE and EC2/ECS credentials provider.

The Flink application requires RemoteWrite permissions to the AMP workspace (e.g. AmazonPromethusRemoteWriteAccess policy).

Sample usage

To enable request signing for Amazon Managed Prometheus, and instance of AmazonManagedPrometheusWriteRequestSigner must be provided when building the PrometheusSink instance. The only required parameters are the AWS region and the AMP remote-write URL.

// AWS region of the AMP workspace
String prometheusRegion = "us-east-1";

// Remote-Write URL of the AMP workspace
String prometheusRemoteWriteUrl = "https://aps-workspaces.us-east-1.amazonaws.com/workspaces/ws-091245678-9abc-def0-1234-56789abcdef0/api/v1/remote_write";

// Build the sink to AMP using the request signer
AsyncSinkBase<PrometheusTimeSeries, Types.TimeSeries> sink = PrometheusSink.builder()
        .setPrometheusRemoteWriteUrl(prometheusRemoteWriteUrl)
        .setRequestSigner(new AmazonManagedPrometheusWriteRequestSigner(prometheusRemoteWriteUrl, prometheusRegion))
        .build();