111 lines
3.4 KiB
Python
111 lines
3.4 KiB
Python
from __future__ import absolute_import
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import os
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import time
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INTEGRATION_TESTS = os.environ.get('INTEGRATION_TESTS', False)
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if INTEGRATION_TESTS:
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from compose.cli.command import get_project
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from compose.service import BuildAction
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from compose.service import ConvergenceStrategy
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class ComposeMixin(object):
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"""
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Manage docker-compose to ensure that needed services are running during tests
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"""
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# List of required services to run INTEGRATION_TESTS
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COMPOSE_SERVICES = []
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# docker-compose.yml dir path
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COMPOSE_PROJECT_DIR = '.'
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# timeout waiting for health (seconds)
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COMPOSE_TIMEOUT = 300
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@classmethod
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def compose_up(cls):
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"""
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Ensure *only* the services defined under `COMPOSE_SERVICES` are running and healthy
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"""
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if not INTEGRATION_TESTS or not cls.COMPOSE_SERVICES:
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return
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if os.environ.get('NO_COMPOSE'):
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return
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def print_logs(container):
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print("---- " + container.name_without_project)
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print(container.logs())
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print("----")
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def is_healthy(container):
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return container.inspect()['State']['Health']['Status'] == 'healthy'
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project = cls.compose_project()
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project.up(
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strategy=ConvergenceStrategy.always,
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service_names=cls.COMPOSE_SERVICES,
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do_build=BuildAction.force,
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timeout=30)
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# Wait for them to be healthy
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start = time.time()
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while True:
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containers = project.containers(
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service_names=cls.COMPOSE_SERVICES,
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stopped=True)
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healthy = True
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for container in containers:
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if not container.is_running:
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print_logs(container)
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raise Exception(
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"Container %s unexpectedly finished on startup" %
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container.name_without_project)
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if not is_healthy(container):
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healthy = False
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break
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if healthy:
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break
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time.sleep(1)
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timeout = time.time() - start > cls.COMPOSE_TIMEOUT
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if timeout:
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for container in containers:
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if not is_healthy(container):
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print_logs(container)
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raise Exception(
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"Timeout while waiting for healthy "
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"docker-compose services: %s" %
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','.join(cls.COMPOSE_SERVICES))
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@classmethod
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def compose_down(cls):
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"""
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Stop all running containers
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"""
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if INTEGRATION_TESTS and cls.COMPOSE_SERVICES:
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cls.compose_project().kill(service_names=cls.COMPOSE_SERVICES)
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@classmethod
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def compose_hosts(cls):
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if not INTEGRATION_TESTS or not cls.COMPOSE_SERVICES:
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return []
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hosts = []
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for container in cls.compose_project().containers(service_names=cls.COMPOSE_SERVICES):
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network_settings = container.inspect()['NetworkSettings']
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for network in network_settings['Networks'].values():
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if network['IPAddress']:
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hosts.append(network['IPAddress'])
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return hosts
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@classmethod
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def compose_project(cls):
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return get_project(cls.COMPOSE_PROJECT_DIR, project_name=os.environ.get('DOCKER_COMPOSE_PROJECT_NAME'))
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