def build_agent(container_id=None):
logger.info('Rebuilding agent package')
container_id = container_id or work.last_container_id
quiet_docker('exec', container_id, 'tar', 'czf',
configuration.agent_package_path, '-C',
path(constants.AGENT_TEMPLATE_DIR).dirname(),
path(constants.AGENT_TEMPLATE_DIR).basename())
def _ssh_setup(container_id, container_ip):
logger.info('Applying ssh configuration to manager container')
try:
known_hosts = path('~/.ssh/known_hosts').expanduser()
# Known hosts file may not exist
ssh_keygen('-R', container_ip)
fingerprint = None
while not fingerprint:
fingerprint = ssh_keyscan(container_ip).stdout.split(
'\n')[0].strip()
time.sleep(0.01)
if fingerprint and known_hosts.exists():
current = known_hosts.text()
prefix = ''
if not current.endswith('\n'):
prefix = '\n'
known_hosts.write_text('{}{}\n'.format(prefix, fingerprint),
append=True)
except sh.ErrorReturnCode:
pass
quiet_docker('exec', container_id, 'mkdir', '-p', '/root/.ssh')
ssh_public_key = ssh_keygen('-y', '-f', configuration.ssh_key_path).strip()
with tempfile.NamedTemporaryFile() as f:
f.write(ssh_public_key)
f.flush()
quiet_docker.cp(f.name,
'{}:/root/.ssh/authorized_keys'.format(container_id))
# due to a bug in docker 17.06, the file keeps ownership and is not
# chowned to the main container user automatically
quiet_docker('exec', container_id, 'chown', 'root:root',
'/root/.ssh/authorized_keys')
def _create_base_container(label, details_path, tag):
docker_tag = tag or configuration.clean_image_docker_tag
docker.build('-t', configuration.clean_image_docker_tag, resources.DIR)
container_id, container_ip = _run_container(docker_tag=docker_tag,
details_path=details_path,
label=label)
quiet_docker('exec', container_id, 'systemctl', 'start', 'dbus')
return container_id, container_ip
def install_docker(version=None, container_id=None):
container_id = container_id or work.last_container_id
try:
quiet_docker('exec', container_id, *'which docker'.split(' '))
logger.info('Docker already installed on container. Doing nothing')
return
except sh.ErrorReturnCode:
pass
version = version or _get_docker_version(container_id)
install_docker_command = 'yum install -y -q {}'.format(version)
docker('exec', container_id, *install_docker_command.split(' '))
def install_docker(version=None, container_id=None):
container_id = container_id or work.last_container_id
try:
quiet_docker('exec', container_id, *'which docker'.split(' '))
logger.info('Docker already installed on container. Doing nothing')
return
except sh.ErrorReturnCode:
pass
cp(resources.DIR / 'docker.repo', ':/etc/yum.repos.d/docker.repo',
container_id=container_id)
if not version:
try:
version = quiet_docker.version('-f', '{{.Client.Version}}').strip()
except sh.ErrorReturnCode as e:
version = e.stdout.strip()
install_docker_command = 'yum install -y -q docker-engine-{}'.format(
version)
docker('exec', container_id, *install_docker_command.split(' '))
def _get_manager_credentials(container_id):
""" Read the cloudify CLI profile context from the container """
result = quiet_docker('exec', container_id, 'cat',
constants.CLOUDIFY_CONTEXT_PATH)
context_str = result.strip()
# Getting rid of the first line, as it contains !CloudifyProfileContext
first_line_break = context_str.find('\n') + 1
context_str = context_str[first_line_break:]
return yaml.load(context_str)
def _restart_service(container_id, service):
logger.info('Restarting {}'.format(service))
quiet_docker('exec', container_id, 'systemctl', 'restart', service)