-class Unit(object):
+import asyncio
+import logging
+from datetime import datetime
+
+from . import model
+from .client import client
+
+log = logging.getLogger(__name__)
+
+
+class Unit(model.ModelEntity):
+ @property
+ def agent_status(self):
+ """Returns the current agent status string.
+
+ """
+ return self.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")
+
+ @property
+ def agent_status_message(self):
+ """Get the agent status message.
+
+ """
+ return self.data['agent-status']['message']
+
+ @property
+ def workload_status(self):
+ """Returns the current workload status string.
+
+ """
+ return self.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")
+
+ @property
+ def workload_status_message(self):
+ """Get the workload status message.
+
+ """
+ return self.data['workload-status']['message']
+
def add_storage(self, name, constraints=None):
"""Add unit storage dynamically.
"""
pass
- def destroy(self):
+ async def destroy(self):
"""Destroy this unit.
"""
- pass
+ app_facade = client.ApplicationFacade()
+ app_facade.connect(self.connection)
+
+ log.debug(
+ 'Destroying %s', self.name)
+
+ return await app_facade.DestroyUnits([self.name])
remove = destroy
def get_resources(self, details=False):
"""
pass
- def run(self, command, timeout=None):
+ 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.
+
"""
- pass
+ action = client.ActionFacade()
+ action.connect(self.connection)
+
+ log.debug(
+ 'Running `%s` on %s', command, self.name)
+
+ res = await action.Run(
+ [],
+ command,
+ [],
+ timeout,
+ [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.
"""
pass
+
+ async def is_leader_from_status(self):
+ """
+ Check to see if this unit is the leader. Returns True if so, and
+ False if it is not, or if leadership does not make sense
+ (e.g., there is no leader in this application.)
+
+ This method is a kluge that calls FullStatus in the
+ ClientFacade to get its information. Once
+ https://bugs.launchpad.net/juju/+bug/1643691 is resolved, we
+ should add a simple .is_leader property, and deprecate this
+ method.
+
+ """
+ app = self.name.split("/")[0]
+
+ c = client.ClientFacade()
+ c.connect(self.model.connection)
+
+ status = await c.FullStatus(None)
+
+ return status.applications[app]['units'][self.name].get(
+ 'leader', False)