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from __future__ import print_function, absolute_import |
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from os import getenv |
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from time import sleep |
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import click |
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import getpass |
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from datetime import datetime, timedelta |
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from ecs_deploy.ecs import DeployAction, ScaleAction, RunAction, EcsClient, \ |
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EcsActionError |
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from ecs_deploy.newrelic import Deployment |
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@click.group() |
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def ecs(): # pragma: no cover |
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pass |
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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: <container> <image>') |
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@click.option('-c', '--command', type=(str, str), multiple=True, help='Overwrites the command in a container: <container> <command>') |
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@click.option('-e', '--env', type=(str, str, str), multiple=True, help='Adds or changes an environment variable: <container> <name> <value>') |
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@click.option('-r', '--role', type=str, help='Sets the task\'s role ARN: <task role ARN>') |
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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='Amount of seconds to wait for deployment before command fails (default: 300)') |
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@click.option('--ignore-warnings', is_flag=True, help='Do not fail deployment, if warnings occur (e.g. insufficient mempory, CPU or port already in use.') |
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@click.option('--newrelic-apikey', required=False, help='New Relic API Key for recording the deployment') |
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@click.option('--newrelic-appid', required=False, help='New Relic App ID for recording the deployment') |
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@click.option('--comment', required=False, help='Description/comment for recording the deployment') |
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@click.option('--user', required=False, help='User who executes the deployment (used for recording)') |
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def deploy(cluster, service, tag, image, command, env, role, access_key_id, secret_access_key, region, profile, timeout, |
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newrelic_apikey, newrelic_appid, comment, user, ignore_warnings): |
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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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task_definition.set_environment(env) |
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task_definition.set_role_arn(role) |
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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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record_deployment(tag, newrelic_apikey, newrelic_appid, comment, user) |
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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', ignore_warnings) |
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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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@click.option('--ignore-warnings', is_flag=True, help='Do not fail deployment, if warnings occur (e.g. insufficient mempory, CPU or port already in use.') |
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def scale(cluster, service, desired_count, access_key_id, secret_access_key, region, profile, timeout, ignore_warnings): |
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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', ignore_warnings) |
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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('task') |
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@click.argument('count', required=False, default=1) |
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@click.option('-c', '--command', type=(str, str), multiple=True, help='Overwrites the command in a container: <container> <command>') |
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@click.option('-e', '--env', type=(str, str, str), multiple=True, help='Adds or changes an environment variable: <container> <name> <value>') |
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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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def run(cluster, task, count, command, env, region, access_key_id, secret_access_key, profile): |
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""" |
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Run a one-off task. |
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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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TASK is the name of your task definintion (e.g. 'mytask') within ECS. |
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COMMAND 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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action = RunAction(client, cluster) |
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task_definition = action.get_task_definition(task) |
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task_definition.set_commands(**{key: value for (key, value) in command}) |
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task_definition.set_environment(env) |
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print_diff(task_definition, 'Using task definition: %s' % task) |
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action.run(task_definition, count, 'ECS Deploy') |
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click.secho('Successfully started %d instances of task: %s' % (len(action.started_tasks), task_definition.family_revision), fg='green') |
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for started_task in action.started_tasks: |
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click.secho('- %s' % started_task['taskArn'], fg='green') |
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click.secho(' ') |
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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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def wait_for_finish(action, timeout, title, success_message, failure_message, ignore_warnings): |
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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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inspected_until = None |
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while waiting and datetime.now() < waiting_timeout: |
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click.secho('.', nl=False) |
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sleep(1) |
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service = action.get_service() |
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inspected_until = inspect_errors( |
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service=service, |
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failure_message=failure_message, |
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ignore_warnings=ignore_warnings, |
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since=inspected_until, |
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timeout=False |
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) |
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waiting = not action.is_deployed(service) |
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inspect_errors( |
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service=service, |
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failure_message=failure_message, |
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ignore_warnings=ignore_warnings, |
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since=inspected_until, |
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timeout=waiting |
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) |
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click.secho('\n%s\n' % success_message, fg='green') |
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def record_deployment(revision, newrelic_apikey, newrelic_appid, comment, user): |
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newrelic_apikey = getenv('NEW_RELIC_API_KEY', newrelic_apikey) |
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newrelic_appid = getenv('NEW_RELIC_APP_ID', newrelic_appid) |
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if not revision or not newrelic_apikey or not newrelic_appid: |
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return False |
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user = user or getpass.getuser() |
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click.secho('Recording deployment in New Relic', nl=False) |
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deployment = Deployment(newrelic_apikey, newrelic_appid, user) |
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deployment.deploy(revision, '', comment) |
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click.secho('\nDone\n', fg='green') |
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return True |
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def print_diff(task_definition, title='Updating task definition'): |
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if task_definition.diff: |
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click.secho(title) |
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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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def inspect_errors(service, failure_message, ignore_warnings, since, timeout): |
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error = False |
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last_error_timestamp = since |
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warnings = service.get_warnings(since) |
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for timestamp in warnings: |
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message = warnings[timestamp] |
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click.secho('') |
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if ignore_warnings: |
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last_error_timestamp = timestamp |
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click.secho('%s\nWARNING: %s' % (timestamp, message), fg='yellow', err=False) |
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click.secho('Continuing.', nl=False) |
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else: |
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click.secho('%s\nERROR: %s\n' % (timestamp, message), fg='red', err=True) |
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error = True |
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if service.older_errors: |
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click.secho('') |
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click.secho('Older errors', fg='yellow', err=True) |
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for timestamp in service.older_errors: |
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click.secho('%s\n%s\n' % (timestamp, service.older_errors[timestamp]), fg='yellow', err=True) |
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if timeout: |
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error = True |
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failure_message += ' (timeout)' |
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if error: |
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raise EcsActionError(failure_message) |
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return last_error_timestamp |
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ecs.add_command(deploy) |
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ecs.add_command(scale) |
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ecs.add_command(run) |
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if __name__ == '__main__': # pragma: no cover |
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ecs() |
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fabfuel /
ecs-deploy
