HttpCodeTarget
- class aws_cdk.aws_elasticloadbalancingv2.HttpCodeTarget(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
Bases:
Enum
Count of HTTP status originating from the targets.
- ExampleMetadata:
infused
Example:
import aws_cdk.aws_cloudwatch as cloudwatch # service: ecs.FargateService # blue_target_group: elbv2.ApplicationTargetGroup # green_target_group: elbv2.ApplicationTargetGroup # listener: elbv2.IApplicationListener # Alarm on the number of unhealthy ECS tasks in each target group blue_unhealthy_hosts = cloudwatch.Alarm(self, "BlueUnhealthyHosts", alarm_name=Stack.of(self).stack_name + "-Unhealthy-Hosts-Blue", metric=blue_target_group.metric_unhealthy_host_count(), threshold=1, evaluation_periods=2 ) green_unhealthy_hosts = cloudwatch.Alarm(self, "GreenUnhealthyHosts", alarm_name=Stack.of(self).stack_name + "-Unhealthy-Hosts-Green", metric=green_target_group.metric_unhealthy_host_count(), threshold=1, evaluation_periods=2 ) # Alarm on the number of HTTP 5xx responses returned by each target group blue_api_failure = cloudwatch.Alarm(self, "Blue5xx", alarm_name=Stack.of(self).stack_name + "-Http-5xx-Blue", metric=blue_target_group.metric_http_code_target(elbv2.HttpCodeTarget.TARGET_5XX_COUNT, period=Duration.minutes(1)), threshold=1, evaluation_periods=1 ) green_api_failure = cloudwatch.Alarm(self, "Green5xx", alarm_name=Stack.of(self).stack_name + "-Http-5xx-Green", metric=green_target_group.metric_http_code_target(elbv2.HttpCodeTarget.TARGET_5XX_COUNT, period=Duration.minutes(1)), threshold=1, evaluation_periods=1 ) codedeploy.EcsDeploymentGroup(self, "BlueGreenDG", # CodeDeploy will monitor these alarms during a deployment and automatically roll back alarms=[blue_unhealthy_hosts, green_unhealthy_hosts, blue_api_failure, green_api_failure], auto_rollback=codedeploy.AutoRollbackConfig( # CodeDeploy will automatically roll back if a deployment is stopped stopped_deployment=True ), service=service, blue_green_deployment_config=codedeploy.EcsBlueGreenDeploymentConfig( blue_target_group=blue_target_group, green_target_group=green_target_group, listener=listener ), deployment_config=codedeploy.EcsDeploymentConfig.CANARY_10PERCENT_5MINUTES )
Attributes
- TARGET_2XX_COUNT
The number of 2xx response codes from targets.
- TARGET_3XX_COUNT
The number of 3xx response codes from targets.
- TARGET_4XX_COUNT
The number of 4xx response codes from targets.
- TARGET_5XX_COUNT
The number of 5xx response codes from targets.