public async Task <ActionResult> ScheduleImageFixedRate([FromBody] ScheduledImageFixedRate scheduledImageFixedRate)
{
try
{
await _containerService.RunScheduledImageAsync(scheduledImageFixedRate);
return(Ok(JsonConvert.SerializeObject("Started image schedule successfully")));
}
catch (InexistentTaskDefinition ex)
{
return(BadRequest(ex.Message));
}
catch (InexistentCluster ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
catch (AmazonCloudWatchEventsException ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
catch (AmazonIdentityManagementServiceException ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
}
/// <summary>
/// Schedules the image to run at fixed interval
/// </summary>
/// <param name="scheduledImageFixedRate"></param>
/// <returns></returns>
public async System.Threading.Tasks.Task RunScheduledImageAsync(ScheduledImageFixedRate scheduledImageFixedRate)
{
// get latest revision task definition ARN
var taskDefinitionsResponse = await _ecsClient.ListTaskDefinitionsAsync(new ListTaskDefinitionsRequest
{
FamilyPrefix = scheduledImageFixedRate.ConfigName,
Sort = SortOrder.DESC
});
string taskDefinitionArn;
try
{
taskDefinitionArn = taskDefinitionsResponse.TaskDefinitionArns.First();
}
catch (Exception)
{
throw new InexistentTaskDefinition($"Configuration does not exists: {scheduledImageFixedRate.ConfigName}");
}
// get ECS cluster ARN
var clustersResponse = await _ecsClient.ListClustersAsync(new ListClustersRequest());
string clusterArn;
try
{
clusterArn = clustersResponse.ClusterArns.First();
}
catch (Exception)
{
throw new InexistentCluster("No ECS clusters have been found");
}
// get target role ARN
string targetRoleArn;
try
{
targetRoleArn = await _iamService.GetRoleArnFromNameAsync(_ecsRole);
}
catch (AmazonIdentityManagementServiceException)
{
throw;
}
try
{
// create event rule
// rule name basically will be userId + ruleName
await _cloudWatchService.CreateSchedulerRuleAsync(scheduledImageFixedRate.RuleName, scheduledImageFixedRate.ToString());
// create target for rule
await _cloudWatchService.CreateTargetForRuleAsync(scheduledImageFixedRate.RuleName, targetRoleArn, clusterArn, taskDefinitionArn, scheduledImageFixedRate.TasksGroupName);
}
catch (AmazonCloudWatchEventsException ex)
{
_logger.LogError(ex.Message);
throw;
}
}
