/*
 * Copyright 2015 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netflix.spinnaker.kork.aws;

import com.amazonaws.*;

public class AwsMetricsSupport {
  static String[] buildExceptionTags(AmazonWebServiceRequest originalRequest, Exception exception) {
    final AmazonServiceException ase = amazonServiceException(exception);

    return new String[] {
      "requestType", originalRequest.getClass().getSimpleName(),
      "statusCode", Integer.toString(ase.getStatusCode()),
      "errorCode", ase.getErrorCode(),
      "serviceName", ase.getServiceName(),
      "errorType", ase.getErrorType().name()
    };
  }

  static AmazonServiceException amazonServiceException(Exception exception) {
    return amazonServiceException(exception, "UNKNOWN", -1);
  }

  static AmazonServiceException amazonServiceException(Exception exception, String serviceName, int statusCode) {
    if (exception instanceof AmazonServiceException) {
      return (AmazonServiceException) exception;
    }

    final AmazonServiceException ase = new AmazonServiceException(exception.getMessage(), exception);
    ase.setStatusCode(statusCode);
    ase.setErrorCode("UNKNOWN");
    ase.setServiceName(serviceName);
    ase.setErrorType(AmazonServiceException.ErrorType.Unknown);
    return ase;
  }
}

/*
 * Copyright 2015 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netflix.spinnaker.kork.aws;

import com.amazonaws.*;

import java.util.Optional;

public class AwsMetricsSupport {
  private static final String DEFAULT_UNKNOWN = "UNKNOWN";

  static String[] buildExceptionTags(AmazonWebServiceRequest originalRequest, Exception exception) {
    final AmazonServiceException ase = amazonServiceException(exception);

    return new String[] {
      "requestType", originalRequest.getClass().getSimpleName(),
      "statusCode", Integer.toString(ase.getStatusCode()),
      "errorCode", Optional.ofNullable(ase.getErrorCode()).orElse(DEFAULT_UNKNOWN),
      "serviceName", Optional.ofNullable(ase.getServiceName()).orElse(DEFAULT_UNKNOWN),
      "errorType", Optional.ofNullable(ase.getErrorType()).orElse(AmazonServiceException.ErrorType.Unknown).name()
    };
  }

  static AmazonServiceException amazonServiceException(Exception exception) {
    return amazonServiceException(exception, DEFAULT_UNKNOWN, -1);
  }

  static AmazonServiceException amazonServiceException(Exception exception, String serviceName, int statusCode) {
    if (exception instanceof AmazonServiceException) {
      return (AmazonServiceException) exception;
    }

    final AmazonServiceException ase = new AmazonServiceException(exception.getMessage(), exception);
    ase.setStatusCode(statusCode);
    ase.setErrorCode(DEFAULT_UNKNOWN);
    ase.setServiceName(serviceName);
    ase.setErrorType(AmazonServiceException.ErrorType.Unknown);
    return ase;
  }
}

Add some defensive checks around spectator tag generation for AWS backoff/retry instrumentation