feat(ecs): support restart policy for container #31228
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| /** | ||
| * Enable a restart policy for a container. | ||
| * | ||
| * When you set up a restart policy, Amazon ECS can restart the container without needing to replace the task. | ||
| * | ||
| * @default - false unless `restartIgnoredExitCodes` or `restartAttemptPeriod` is set. | ||
| * @see https://docs.aws.amazon.com/AmazonECS/latest/developerguide/container-restart-policy.html | ||
| */ | ||
| readonly enableRestartPolicy?: boolean; |
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Instead of having an interface called RestartPolicy, the flag and other properties are flatly defined.
There are two reasons for this.
The first is to comply with the CDK design guidelines.
Secondly, it was uncomfortable that an empty RestartPolicy had to be specified to enable the restart policy with the default configuration.
taskDefinition.addContainer('container', {
image: ecs.ContainerImage.fromRegistry("amazon/amazon-ecs-sample"),
restartPolicy: {},
});| @@ -590,6 +626,8 @@ export class ContainerDefinition extends Construct { | |||
| if (props.ulimits) { | |||
| this.addUlimits(...props.ulimits); | |||
| } | |||
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| this.validateRestartPolicy(props.enableRestartPolicy, props.restartIgnoredExitCodes, props.restartAttemptPeriod); | |||
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This validation function is called in the constructor, not in the renderRestartPolicy function (lines 1550).
The render function is called in the renderContainerDefinition function, which is called by a Lazy method in the TaskDefinition. Therefore, the rendering does not run in the construction phase (even if the construct is created with new ContainerDefinition(), it still does not run).
However, it is better to run the validation earlier, so the validation is not done in the render function, but in the constructor, which allows it to run earlier. This ensures that the validation is performed when the construct is created with new ContainerDefinition().
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Issue # (if applicable)
Closes #31127 #31425.
Reason for this change
A restart policy can be specified in CloudFormation, but not in L2.
https://docs.aws.amazon.com/AmazonECS/latest/developerguide/container-restart-policy.html
Description of changes
Add
enableRestartPolicyand some properties to the container definition.Description of how you validated changes
unit tests and integ tests.
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license