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BaseTestCase for testing fabric tasks in docker containers
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# encoding: utf-8 | |
from __future__ import print_function | |
import docker | |
import unittest | |
from fabric.api import env, run, execute | |
class DockerTest(unittest.TestCase): | |
def setUp(self): | |
self.client = docker.Client(**self.get_client_spec()) | |
specs = self.get_containers_spec() | |
self.containers = [] | |
boot2docker = self.boot2docker() | |
for spec in specs: | |
cont = self.client.create_container(**spec['create'])['Id'] | |
self.client.start(cont, **spec['run']) | |
self.containers.append(cont) | |
if boot2docker: | |
env.hosts.append('127.0.0.1:%s' % spec['run']['port_bindings'][22]) | |
else: | |
env.hosts.append(self.client.inspect_container(cont)['NetworkSettings']['IPAddress']) | |
def get_containers_spec(self): | |
""" | |
element in format {'create': {}, 'run': {}} | |
""" | |
return [] | |
def get_client_spec(self): | |
return {} | |
def boot2docker(self): | |
""" | |
in case of boot2docker, to successfully ssh to container | |
we need to map container port to host port | |
:return: bool | |
""" | |
return False | |
def tearDown(self): | |
for cont in self.containers: | |
self.client.stop(cont) | |
self.client.remove_container(cont) | |
class MyTestCase(DockerTest): | |
def setUp(self): | |
super(MyTestCase, self).setUp() | |
env.user = 'root' | |
env.password = '123456' | |
def get_client_spec(self): | |
return {'base_url': 'tcp://192.168.59.103:2375'} | |
def get_containers_spec(self): | |
self.image = self.get_image_name() | |
create_params = {'image': self.image, 'detach': True} | |
return [ | |
{'create': create_params, | |
'run': {'port_bindings': {22: x}}} for x in xrange(49000, 49004) | |
] | |
def boot2docker(self): | |
return True | |
def get_image_name(self): | |
return 'ncclight' | |
def test_x(self): | |
print(env.hosts) | |
print(self.containers) | |
def echo(): | |
return run("echo test") | |
execute(echo) | |
if __name__ == '__main__': | |
unittest.main() |
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