public DescribeAlarmsForMetricResponseType describeAlarmsForMetric(
DescribeAlarmsForMetricType request) throws CloudWatchException {
DescribeAlarmsForMetricResponseType reply = request.getReply();
final Context ctx = Contexts.lookup();
try {
// IAM Action Check
checkActionPermission(PolicySpec.CLOUDWATCH_DESCRIBEALARMSFORMETRIC, ctx);
final OwnerFullName ownerFullName = ctx.getUserFullName();
final String accountId = ownerFullName.getAccountNumber();
final Map<String, String> dimensionMap =
TransformationFunctions.DimensionsToMap.INSTANCE.apply(
validateDimensions(request.getDimensions()));
final String metricName = validateMetricName(request.getMetricName(), true);
final String namespace = validateNamespace(request.getNamespace(), true);
final Integer period = validatePeriod(request.getPeriod(), false);
final Statistic statistic = validateStatistic(request.getStatistic(), false);
final Units unit = validateUnits(request.getUnit(), true);
Collection<AlarmEntity> results =
AlarmManager.describeAlarmsForMetric(
accountId, dimensionMap, metricName, namespace, period, statistic, unit);
MetricAlarms metricAlarms = new MetricAlarms();
metricAlarms.setMember(
Lists.newArrayList(
Collections2.<AlarmEntity, MetricAlarm>transform(
results, TransformationFunctions.AlarmEntityToMetricAlarm.INSTANCE)));
reply.getDescribeAlarmsForMetricResult().setMetricAlarms(metricAlarms);
} catch (Exception ex) {
handleException(ex);
}
return reply;
}
public PutMetricAlarmResponseType putMetricAlarm(PutMetricAlarmType request)
throws CloudWatchException {
PutMetricAlarmResponseType reply = request.getReply();
final Context ctx = Contexts.lookup();
try {
// IAM Action Check
checkActionPermission(PolicySpec.CLOUDWATCH_PUTMETRICALARM, ctx);
final OwnerFullName ownerFullName = ctx.getUserFullName();
final String accountId = ownerFullName.getAccountNumber();
final Boolean actionsEnabled = validateActionsEnabled(request.getActionsEnabled(), true);
final Map<String, String> dimensionMap =
TransformationFunctions.DimensionsToMap.INSTANCE.apply(
validateDimensions(request.getDimensions()));
final Collection<String> alarmActions =
validateActions(request.getAlarmActions(), dimensionMap, "AlarmActions");
final String alarmDescription = validateAlarmDescription(request.getAlarmDescription());
final String alarmName = validateAlarmName(request.getAlarmName(), true);
final ComparisonOperator comparisonOperator =
validateComparisonOperator(request.getComparisonOperator(), true);
Integer evaluationPeriods = validateEvaluationPeriods(request.getEvaluationPeriods(), true);
final Integer period = validatePeriod(request.getPeriod(), true);
validatePeriodAndEvaluationPeriodsNotAcrossDays(period, evaluationPeriods);
final Collection<String> insufficientDataActions =
validateActions(
request.getInsufficientDataActions(), dimensionMap, "InsufficientDataActions");
final String metricName = validateMetricName(request.getMetricName(), true);
final String namespace = validateNamespace(request.getNamespace(), true);
final Collection<String> okActions =
validateActions(request.getOkActions(), dimensionMap, "OKActions");
final Statistic statistic = validateStatistic(request.getStatistic(), true);
final Double threshold = validateThreshold(request.getThreshold(), true);
final Units unit = validateUnits(request.getUnit(), true);
if (AlarmManager.countMetricAlarms(accountId) >= 5000) {
throw new LimitExceededException("The maximum limit of 5000 alarms would be exceeded.");
}
AlarmManager.putMetricAlarm(
accountId,
actionsEnabled,
alarmActions,
alarmDescription,
alarmName,
comparisonOperator,
dimensionMap,
evaluationPeriods,
insufficientDataActions,
metricName,
getMetricTypeFromNamespace(namespace),
namespace,
okActions,
period,
statistic,
threshold,
unit);
} catch (Exception ex) {
handleException(ex);
}
return reply;
}
public GetMetricStatisticsResponseType getMetricStatistics(GetMetricStatisticsType request)
throws CloudWatchException {
GetMetricStatisticsResponseType reply = request.getReply();
final Context ctx = Contexts.lookup();
try {
// IAM Action Check
checkActionPermission(PolicySpec.CLOUDWATCH_GETMETRICSTATISTICS, ctx);
// TODO: parse statistics separately()?
final OwnerFullName ownerFullName = ctx.getUserFullName();
Statistics statistics = validateStatistics(request.getStatistics());
final String namespace = validateNamespace(request.getNamespace(), true);
final String metricName = validateMetricName(request.getMetricName(), true);
final Date startTime =
MetricManager.stripSeconds(validateStartTime(request.getStartTime(), true));
final Date endTime = MetricManager.stripSeconds(validateEndTime(request.getEndTime(), true));
final Integer period = validatePeriod(request.getPeriod(), true);
validateDateOrder(startTime, endTime, "StartTime", "EndTime", true, true);
validateNotTooManyDataPoints(startTime, endTime, period, 1440L);
// TODO: null units here does not mean Units.NONE but basically a
// wildcard.
// Consider this case.
final Units units = validateUnits(request.getUnit(), false);
final Map<String, String> dimensionMap =
TransformationFunctions.DimensionsToMap.INSTANCE.apply(
validateDimensions(request.getDimensions()));
Collection<MetricStatistics> metrics;
metrics =
MetricManager.getMetricStatistics(
ownerFullName.getAccountNumber(),
metricName,
namespace,
dimensionMap,
getMetricTypeFromNamespace(namespace),
units,
startTime,
endTime,
period);
reply.getGetMetricStatisticsResult().setLabel(metricName);
ArrayList<Datapoint> datapoints = convertMetricStatisticsToDataoints(statistics, metrics);
if (datapoints.size() > 0) {
Datapoints datapointsReply = new Datapoints();
datapointsReply.setMember(datapoints);
reply.getGetMetricStatisticsResult().setDatapoints(datapointsReply);
}
} catch (Exception ex) {
handleException(ex);
}
return reply;
}
