Use httplib instead of requests_unixsocket
This commit is contained in:
Hiroaki Nakamura
Matt Clay
parent
f9b5075187
commit
82948398bd
1 changed files with 57 additions and 39 deletions
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@ -89,8 +89,6 @@ options:
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- The unix domain socket path for the LXD server.
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required: false
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default: /var/lib/lxd/unix.socket
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requirements:
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- 'requests_unixsocket'
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notes:
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- Containers must have a unique name. If you attempt to create a container
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with a name that already existed in the users namespace the module will
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@ -198,15 +196,43 @@ lxd_container:
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sample: ["create", "start"]
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"""
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from ansible.compat.six.moves.urllib.parse import quote
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try:
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import requests_unixsocket
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from requests.exceptions import ConnectionError
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import json
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except ImportError:
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HAS_REQUETS_UNIXSOCKET = False
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else:
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HAS_REQUETS_UNIXSOCKET = True
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import simplejson as json
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# httplib/http.client connection using unix domain socket
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import socket
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try:
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import httplib
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class UnixHTTPConnection(httplib.HTTPConnection):
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def __init__(self, path, host='localhost', port=None, strict=None,
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timeout=None):
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httplib.HTTPConnection.__init__(self, host, port=port, strict=strict,
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timeout=timeout)
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self.path = path
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def connect(self):
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sock.connect(self.path)
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self.sock = sock
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except ImportError:
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# Python 3
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import http.client
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class UnixHTTPConnection(http.client.HTTPConnection):
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def __init__(self, path, host='localhost', port=None,
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timeout=None):
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http.client.HTTPConnection.__init__(self, host, port=port,
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timeout=timeout)
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self.path = path
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def connect(self):
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sock.connect(self.path)
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self.sock = sock
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# LXD_ANSIBLE_STATES is a map of states that contain values of methods used
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# when a particular state is evoked.
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@ -253,22 +279,19 @@ class LxdContainerManagement(object):
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self.force_stop = self.module.params['force_stop']
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self.addresses = None
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self.unix_socket_path = self.module.params['unix_socket_path']
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self.base_url = 'http+unix://{0}'.format(quote(self.unix_socket_path, safe=''))
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self.session = requests_unixsocket.Session()
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self.connection = UnixHTTPConnection(self.unix_socket_path, timeout=self.timeout)
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self.logs = []
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self.actions = []
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def _path_to_url(self, path):
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return self.base_url + path
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def _send_request(self, method, path, json=None, ok_error_codes=None):
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def _send_request(self, method, url, body_json=None, ok_error_codes=None):
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try:
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url = self._path_to_url(path)
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resp = self.session.request(method, url, json=json, timeout=self.timeout)
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resp_json = resp.json()
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body = json.dumps(body_json)
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self.connection.request(method, url, body=body)
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resp = self.connection.getresponse()
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resp_json = json.loads(resp.read())
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self.logs.append({
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'type': 'sent request',
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'request': {'method': method, 'url': url, 'json': json, 'timeout': self.timeout},
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'request': {'method': method, 'url': url, 'json': body_json, 'timeout': self.timeout},
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'response': {'json': resp_json}
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})
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resp_type = resp_json.get('type', None)
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@ -277,16 +300,16 @@ class LxdContainerManagement(object):
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return resp_json
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self.module.fail_json(
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msg='error response',
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request={'method': method, 'url': url, 'json': json, 'timeout': self.timeout},
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request={'method': method, 'url': url, 'json': body_json, 'timeout': self.timeout},
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response={'json': resp_json},
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logs=self.logs
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)
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return resp_json
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except ConnectionError:
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except socket.error:
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self.module.fail_json(msg='cannot connect to the LXD server', unix_socket_path=self.unix_socket_path)
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def _operate_and_wait(self, method, path, json=None):
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resp_json = self._send_request(method, path, json=json)
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def _operate_and_wait(self, method, path, body_json=None):
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resp_json = self._send_request(method, path, body_json=body_json)
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if resp_json['type'] == 'async':
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path = '{0}/wait?timeout={1}'.format(resp_json['operation'], self.timeout)
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resp_json = self._send_request('GET', path)
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@ -294,7 +317,7 @@ class LxdContainerManagement(object):
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url = self._path_to_url(path)
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self.module.fail_json(
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msg='error response for waiting opearation',
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request={'method': method, 'url': url, 'json': json, 'timeout': self.timeout},
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request={'method': method, 'url': url, 'json': body_json, 'timeout': self.timeout},
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response={'json': resp_json},
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logs=self.logs
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)
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@ -319,10 +342,10 @@ class LxdContainerManagement(object):
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return ANSIBLE_LXD_STATES[resp_json['metadata']['status']]
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def _change_state(self, action, force_stop=False):
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json={'action': action, 'timeout': self.timeout}
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body_json={'action': action, 'timeout': self.timeout}
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if force_stop:
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json['force'] = True
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return self._operate_and_wait('PUT', '/1.0/containers/{0}/state'.format(self.container_name), json)
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body_json['force'] = True
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return self._operate_and_wait('PUT', '/1.0/containers/{0}/state'.format(self.container_name), body_json=body_json)
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def _create_container(self):
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config = self.config.copy()
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@ -464,24 +487,24 @@ class LxdContainerManagement(object):
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def _apply_configs(self):
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old_metadata = self.old_container_json['metadata']
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json = {
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body_json = {
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'architecture': old_metadata['architecture'],
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'config': old_metadata['config'],
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'devices': old_metadata['devices'],
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'profiles': old_metadata['profiles']
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}
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if self._needs_to_change_config('architecture'):
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json['architecture'] = self.config['architecture']
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body_json['architecture'] = self.config['architecture']
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if self._needs_to_change_config('config'):
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for k, v in self.config['config'].items():
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json['config'][k] = v
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body_json['config'][k] = v
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if self._needs_to_change_config('ephemeral'):
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json['ephemeral'] = self.config['ephemeral']
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body_json['ephemeral'] = self.config['ephemeral']
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if self._needs_to_change_config('devices'):
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json['devices'] = self.config['devices']
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body_json['devices'] = self.config['devices']
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if self._needs_to_change_config('profiles'):
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json['profiles'] = self.config['profiles']
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self._operate_and_wait('PUT', '/1.0/containers/{0}'.format(self.container_name), json)
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body_json['profiles'] = self.config['profiles']
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self._operate_and_wait('PUT', '/1.0/containers/{0}'.format(self.container_name), body_json=body_json)
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self.actions.append('apply_configs')
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def run(self):
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@ -541,11 +564,6 @@ def main():
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supports_check_mode=False,
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)
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if not HAS_REQUETS_UNIXSOCKET:
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module.fail_json(
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msg='The `requests_unixsocket` module is not importable. Check the requirements.'
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)
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lxd_manage = LxdContainerManagement(module=module)
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lxd_manage.run()
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