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from __future__ import print_function, absolute_import |
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from time import sleep |
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import click |
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from datetime import datetime, timedelta |
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from ecs_deploy.ecs import DeployAction, ScaleAction, EcsClient |
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@click.group() |
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def ecs(): |
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return True |
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def get_client(access_key_id, secret_access_key, region, profile): |
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return EcsClient(access_key_id, secret_access_key, region, profile) |
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@click.command() |
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@click.argument('cluster') |
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@click.argument('service') |
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@click.option('-t', '--tag', help='Changes the tag for ALL container images') |
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@click.option('-i', '--image', type=(str, str), multiple=True, help='Overwrites the image for a container') |
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@click.option('-c', '--command', type=(str, str), multiple=True, help='Overwrites the command in a container') |
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@click.option('--region', required=False, help='AWS region') |
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@click.option('--access-key-id', required=False, help='AWS access key id') |
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@click.option('--secret-access-key', required=False, help='AWS secret access yey') |
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@click.option('--profile', required=False, help='AWS configuration profile') |
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@click.option('--timeout', required=False, default=300, type=int, help='AWS configuration profile') |
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def deploy(cluster, service, tag, image, command, access_key_id, secret_access_key, region, profile, timeout): |
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""" |
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Redeploy or modify a service. |
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\b |
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CLUSTER is the name of your cluster (e.g. 'my-custer') within ECS. |
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SERVICE is the name of your service (e.g. 'my-app') within ECS. |
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When not giving any other options, the task definition will not be changed. It will just be duplicated, so that |
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all container images will be pulled and redeployed. |
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""" |
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try: |
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client = get_client(access_key_id, secret_access_key, region, profile) |
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deployment = DeployAction(client, cluster, service) |
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task_definition = deployment.get_current_task_definition(deployment.service) |
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task_definition.set_images(tag, **{key: value for (key, value) in image}) |
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task_definition.set_commands(**{key: value for (key, value) in command}) |
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print_diff(task_definition) |
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click.secho('Creating new task definition revision') |
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new_task_definition = deployment.update_task_definition(task_definition) |
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click.secho('Successfully created revision: %d' % new_task_definition.revision, fg='green') |
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click.secho('Successfully deregistered revision: %d\n' % task_definition.revision, fg='green') |
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click.secho('Updating service') |
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deployment.deploy(new_task_definition) |
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click.secho('Successfully changed task definition to: %s:%s\n' % |
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(new_task_definition.family, new_task_definition.revision), fg='green') |
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wait_for_finish(deployment, timeout, 'Deploying task definition', 'Deployment successful', 'Deployment failed') |
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except Exception as e: |
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click.secho('%s\n' % str(e), fg='red', err=True) |
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exit(1) |
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@click.command() |
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@click.argument('cluster') |
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@click.argument('service') |
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@click.argument('desired_count', type=int) |
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@click.option('--region', help='AWS region') |
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@click.option('--access-key-id', help='AWS access key id') |
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@click.option('--secret-access-key', help='AWS secret access yey') |
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@click.option('--profile', help='AWS configuration profile') |
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@click.option('--timeout', default=300, type=int, help='AWS configuration profile') |
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def scale(cluster, service, desired_count, access_key_id, secret_access_key, region, profile, timeout): |
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""" |
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Scale a service up or down. |
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\b |
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CLUSTER is the name of your cluster (e.g. 'my-custer') within ECS. |
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SERVICE is the name of your service (e.g. 'my-app') within ECS. |
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DESIRED_COUNT is the number of tasks your service should run. |
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""" |
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try: |
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client = get_client(access_key_id, secret_access_key, region, profile) |
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scaling = ScaleAction(client, cluster, service) |
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click.secho('Updating service') |
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scaling.scale(desired_count) |
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click.secho('Successfully changed desired count to: %s\n' % desired_count, fg='green') |
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wait_for_finish(scaling, timeout, 'Scaling service', 'Scaling successful', 'Scaling failed') |
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except Exception as e: |
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click.secho('%s\n' % str(e), fg='red', err=True) |
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exit(1) |
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96
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def wait_for_finish(action, timeout, title, success_message, failure_message): |
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click.secho(title, nl=False) |
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waiting = True |
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waiting_timeout = datetime.now() + timedelta(seconds=timeout) |
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service = action.get_service() |
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while waiting and datetime.now() < waiting_timeout: |
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if action.is_deployed(service) or service.errors: |
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waiting = False |
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else: |
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sleep(2) |
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service = action.get_service() |
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click.secho('.', nl=False) |
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if waiting: |
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print_errors(service.older_errors, '%s (timeout)!' % failure_message) |
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exit(1) |
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elif service.errors: |
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print_errors(service.errors, failure_message) |
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exit(1) |
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click.secho('\n%s\n' % success_message, fg='green') |
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exit(0) |
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120
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121
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def print_diff(task_definition): |
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if task_definition.diff: |
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click.secho('Updating task definition') |
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for diff in task_definition.diff: |
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click.secho(str(diff), fg='blue') |
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click.secho('') |
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128
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def print_errors(errors, title=''): |
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click.secho('\n%s\n' % title, fg='red', err=True) |
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if errors: |
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for timestamp in errors: |
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click.secho('%s\n' % errors[timestamp], fg='red', err=True) |
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return True |
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return False |
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ecs.add_command(deploy) |
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ecs.add_command(scale) |
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if __name__ == '__main__': |
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ecs() |
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fabfuel /
ecs-deploy
