X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=juju%2Fcontroller.py;h=113325e902225b02d807fb09426d088c051e04ad;hb=5fef7503b13f145adc7cd4ee31c2d684e09a6a85;hp=ca871a1e382f9f26664ee9ad91a125c3e2c4ef44;hpb=6f9041acecc03eaf12a6c8e5d50d20d17a28e87f;p=osm%2FN2VC.git diff --git a/juju/controller.py b/juju/controller.py index ca871a1..113325e 100644 --- a/juju/controller.py +++ b/juju/controller.py @@ -1,6 +1,8 @@ import asyncio import logging +from . import tag +from . import utils from .client import client from .client import connection from .client import watcher @@ -10,6 +12,26 @@ log = logging.getLogger(__name__) class Controller(object): + def __init__(self, loop=None): + """Instantiate a new Controller. + + One of the connect_* methods will need to be called before this + object can be used for anything interesting. + + :param loop: an asyncio event loop + + """ + self.loop = loop or asyncio.get_event_loop() + self.connection = None + + async def connect( + self, endpoint, username, password, cacert=None, macaroons=None): + """Connect to an arbitrary Juju controller. + + """ + self.connection = await connection.Connection.connect( + endpoint, None, username, password, cacert, macaroons) + async def connect_current(self): """Connect to the current Juju controller. @@ -17,6 +39,13 @@ class Controller(object): self.connection = ( await connection.Connection.connect_current_controller()) + async def connect_controller(self, controller_name): + """Connect to a Juju controller by name. + + """ + self.connection = ( + await connection.Connection.connect_controller(controller_name)) + async def disconnect(self): """Shut down the watcher task and close websockets. @@ -27,30 +56,62 @@ class Controller(object): self.connection = None async def add_model( - self, name, cloud, credential, owner=None, - config=None, region=None): + self, model_name, cloud_name=None, credential_name=None, + owner=None, config=None, region=None): """Add a model to this controller. - :param str name: Name of the model - :param dict config: Model configuration - :param str credential: e.g. ':' - :param str owner: Owner username + :param str model_name: Name to give the new model. + :param str cloud_name: Name of the cloud in which to create the + model, e.g. 'aws'. Defaults to same cloud as controller. + :param str credential_name: Name of the credential to use when + creating the model. Defaults to current credential. If you + pass a credential_name, you must also pass a cloud_name, + even if it's the default cloud. + :param str owner: Username that will own the model. Defaults to + the current user. + :param dict config: Model configuration. + :param str region: Region in which to create the model. """ model_facade = client.ModelManagerFacade() model_facade.connect(self.connection) - log.debug('Creating model %s', name) + owner = owner or self.connection.info['user-info']['identity'] + cloud_name = cloud_name or await self.get_cloud() + + if credential_name: + credential = tag.credential( + cloud_name, + tag.untag('user-', owner), + credential_name + ) + else: + credential = None + + log.debug('Creating model %s', model_name) model_info = await model_facade.CreateModel( - cloud, + tag.cloud(cloud_name), config, credential, - name, - owner or self.connection.info['user-info']['identity'], + model_name, + owner, region, ) + # Add our ssh key to the model, to work around + # https://bugs.launchpad.net/juju/+bug/1643076 + try: + ssh_key = await utils.read_ssh_key(loop=self.loop) + await utils.execute_process( + 'juju', 'add-ssh-key', '-m', model_name, ssh_key, log=log) + except Exception as e: + log.exception( + "Could not add ssh key to model. You will not be able " + "to ssh into machines in this model. " + "Manually running `juju add-ssh-key ` in the cli " + "may fix this problem.") + model = Model() await model.connect( self.connection.endpoint, @@ -63,6 +124,27 @@ class Controller(object): return model + async def destroy_models(self, *uuids): + """Destroy one or more models. + + :param str \*uuids: UUIDs of models to destroy + + """ + model_facade = client.ModelManagerFacade() + model_facade.connect(self.connection) + + log.debug( + 'Destroying model%s %s', + '' if len(uuids) == 1 else 's', + ', '.join(uuids) + ) + + await model_facade.DestroyModels([ + client.Entity(tag.model(uuid)) + for uuid in uuids + ]) + destroy_model = destroy_models + def add_user(self, username, display_name=None, acl=None, models=None): """Add a user to this controller. @@ -113,6 +195,17 @@ class Controller(object): """ pass + async def get_cloud(self): + """ + Get the name of the cloud that this controller lives on. + """ + cloud_facade = client.CloudFacade() + cloud_facade.connect(self.connection) + + result = await cloud_facade.Clouds() + cloud = list(result.clouds.keys())[0] # only lives on one cloud + return tag.untag('cloud-', cloud) + def get_models(self, all_=False, username=None): """Return list of available models on this controller.