-import asyncio
import logging
-from datetime import datetime
+
+from dateutil.parser import parse as parse_date
from . import model
from .client import client
"""Returns the current agent status string.
"""
- return self.data['agent-status']['current']
+ return self.safe_data['agent-status']['current']
@property
def agent_status_since(self):
"""Get the time when the `agent_status` was last updated.
"""
- since = self.data['agent-status']['since']
- # Juju gives us nanoseconds, but Python only supports microseconds
- since = since[:26]
- return datetime.strptime(since, "%Y-%m-%dT%H:%M:%S.%f")
+ return parse_date(self.safe_data['agent-status']['since'])
@property
def agent_status_message(self):
"""Get the agent status message.
"""
- return self.data['agent-status']['message']
+ return self.safe_data['agent-status']['message']
@property
def workload_status(self):
"""Returns the current workload status string.
"""
- return self.data['workload-status']['current']
+ return self.safe_data['workload-status']['current']
@property
def workload_status_since(self):
"""Get the time when the `workload_status` was last updated.
"""
- since = self.data['workload-status']['since']
- # Juju gives us nanoseconds, but Python only supports microseconds
- since = since[:26]
- return datetime.strptime(since, "%Y-%m-%dT%H:%M:%S.%f")
+ return parse_date(self.safe_data['workload-status']['since'])
@property
def workload_status_message(self):
"""Get the workload status message.
"""
- return self.data['workload-status']['message']
+ return self.safe_data['workload-status']['message']
+
+ @property
+ def machine(self):
+ """Get the machine object for this unit.
+
+ """
+ machine_id = self.safe_data['machine-id']
+ if machine_id:
+ return self.model.machines.get(machine_id, None)
+ else:
+ return None
+
+ @property
+ def public_address(self):
+ """ Get the public address.
+
+ """
+ return self.safe_data['public-address'] or None
+
+ @property
+ def tag(self):
+ return 'unit-%s' % self.name.replace('/', '-')
def add_storage(self, name, constraints=None):
"""Add unit storage dynamically.
form 'POOL,COUNT,SIZE'
"""
- pass
+ raise NotImplementedError()
def collect_metrics(self):
"""Collect metrics on this unit.
"""
- pass
+ raise NotImplementedError()
async def destroy(self):
"""Destroy this unit.
"""
- app_facade = client.ApplicationFacade()
- app_facade.connect(self.connection)
+ app_facade = client.ApplicationFacade.from_connection(self.connection)
log.debug(
'Destroying %s', self.name)
unit
"""
- pass
+ raise NotImplementedError()
def resolved(self, retry=False):
"""Mark unit errors resolved.
:param bool retry: Re-execute failed hooks
"""
- pass
+ raise NotImplementedError()
async def run(self, command, timeout=None):
"""Run command on this unit.
:param str command: The command to run
:param int timeout: Time to wait before command is considered failed
-
- Returns a tuple containing the stdout, stderr, and return code
- from the command.
+ :returns: A :class:`juju.action.Action` instance.
"""
- action = client.ActionFacade()
- action.connect(self.connection)
+ action = client.ActionFacade.from_connection(self.connection)
log.debug(
'Running `%s` on %s', command, self.name)
)
return await self.model.wait_for_action(res.results[0].action.tag)
- def run_action(self, action_name, **params):
- """Run action on this unit.
+ async def run_action(self, action_name, **params):
+ """Run an action on this unit.
:param str action_name: Name of action to run
:param \*\*params: Action parameters
+ :returns: A :class:`juju.action.Action` instance.
- """
- pass
+ Note that this only enqueues the action. You will need to call
+ ``action.wait()`` on the resulting `Action` instance if you wish
+ to block until the action is complete.
- def scp(
- self, source_path, user=None, destination_path=None, proxy=False,
- scp_opts=None):
+ """
+ action_facade = client.ActionFacade.from_connection(self.connection)
+
+ log.debug('Starting action `%s` on %s', action_name, self.name)
+
+ res = await action_facade.Enqueue([client.Action(
+ name=action_name,
+ parameters=params,
+ receiver=self.tag,
+ )])
+ action = res.results[0].action
+ error = res.results[0].error
+ if error and error.code == 'not found':
+ raise ValueError('Action `%s` not found on %s' % (action_name,
+ self.name))
+ elif error:
+ raise Exception('Unknown action error: %s' % error.serialize())
+ action_id = action.tag[len('action-'):]
+ log.debug('Action started as %s', action_id)
+ # we mustn't use wait_for_action because that blocks until the
+ # action is complete, rather than just being in the model
+ return await self.model._wait_for_new('action', action_id)
+
+ async def scp_to(self, source, destination, user='ubuntu', proxy=False,
+ scp_opts=''):
"""Transfer files to this unit.
- :param str source_path: Path of file(s) to transfer
+ :param str source: Local path of file(s) to transfer
+ :param str destination: Remote destination of transferred files
:param str user: Remote username
- :param str destination_path: Destination of transferred files on
- remote machine
:param bool proxy: Proxy through the Juju API server
:param str scp_opts: Additional options to the `scp` command
+ """
+ await self.machine.scp_to(source, destination, user=user, proxy=proxy,
+ scp_opts=scp_opts)
+ async def scp_from(self, source, destination, user='ubuntu', proxy=False,
+ scp_opts=''):
+ """Transfer files from this unit.
+
+ :param str source: Remote path of file(s) to transfer
+ :param str destination: Local destination of transferred files
+ :param str user: Remote username
+ :param bool proxy: Proxy through the Juju API server
+ :param str scp_opts: Additional options to the `scp` command
"""
- pass
+ await self.machine.scp_from(source, destination, user=user,
+ proxy=proxy, scp_opts=scp_opts)
def set_meter_status(self):
"""Set the meter status on this unit.
"""
- pass
+ raise NotImplementedError()
def ssh(
self, command, user=None, proxy=False, ssh_opts=None):
:param str ssh_opts: Additional options to the `ssh` command
"""
- pass
+ raise NotImplementedError()
def status_history(self, num=20, utc=False):
"""Get status history for this unit.
:param bool utc: Display time as UTC in RFC3339 format
"""
- pass
+ raise NotImplementedError()
async def is_leader_from_status(self):
"""
"""
app = self.name.split("/")[0]
- c = client.ClientFacade()
- c.connect(self.model.connection)
+ c = client.ClientFacade.from_connection(self.connection)
status = await c.FullStatus(None)
- return status.applications[app]['units'][self.name].get(
- 'leader', False)
+ # FullStatus may be more up to date than our model, and the
+ # unit may have gone away, or we may be doing something silly,
+ # like trying to fetch leadership for a subordinate, which
+ # will not be filed where we expect in the model. In those
+ # cases, we may simply return False, as a nonexistent or
+ # subordinate unit is not a leader.
+ if not status.applications.get(app):
+ return False
+
+ if not status.applications[app].get('units'):
+ return False
+
+ if not status.applications[app]['units'].get(self.name):
+ return False
+
+ return status.applications[app]['units'][self.name].get('leader',
+ False)
+
+ async def get_metrics(self):
+ """Get metrics for the unit.
+
+ :return: Dictionary of metrics for this unit.
+
+ """
+ metrics = await self.model.get_metrics(self.tag)
+ return metrics[self.name]
projects / osm / N2VC.git / blobdiff