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from sjrpc.core import RpcError
from cloudcontrol.common.datastructures.orderedset import OrderedSet
from cloudcontrol.server.conf import CCConf
from cloudcontrol.server.exceptions import (ReservedTagError, BadObjectError,
CloneError, RightError)
from cloudcontrol.server.election import Elector
from cloudcontrol.server.repository import RepositoryOperationError
from cloudcontrol.server.handlers import listed, Reporter
from cloudcontrol.server.clients import Client, RegisteredCCHandler
from cloudcontrol.server.jobs import (ColdMigrationJob, HotMigrationJob,
CloneJob)
from cloudcontrol.common.tql.db.tag import StaticTag
MIGRATION_TYPES = {'cold': ColdMigrationJob,
'hot': HotMigrationJob,}
class CliHandler(RegisteredCCHandler):
""" Handler binded to the 'cli' role.
.. currentmodule:: cloudcontrol.server.clients.cli
.. autosummary::
CliHandler.list
CliHandler.start
CliHandler.stop
CliHandler.destroy
CliHandler.pause
CliHandler.resume
CliHandler.passwd
CliHandler.addaccount
CliHandler.copyaccount
CliHandler.addtag
CliHandler.deltag
CliHandler.tags
CliHandler.delaccount
CliHandler.close
CliHandler.declose
CliHandler.kill
CliHandler.rights
CliHandler.addright
CliHandler.delright
CliHandler.execute
CliHandler.shutdown
CliHandler.jobs
CliHandler.cancel
CliHandler.purge
CliHandler.attachment
CliHandler.rshell
CliHandler.rshell_resize
CliHandler.rshell_wait
CliHandler.forward
""" List all objects registered on this instance.
:param query: the query to select objects to show
"""
self.logger.debug('Executed list function with query %s', query)
objects = self.client.list(query, method=method)
order = OrderedSet(['id'])
#if tags is not None:
# order |= OrderedSet(tags)
return {'objects': objects, 'order': list(order)}
#
# VM actions:
#
def _vm_action(self, query, method, *args, **kwargs):
""" Do an action on a virtual machine.
"""
errs = Reporter()
# Search all hypervisors of selected vms:
for vm in self.client.list(query, show=('r', 'h', 'p'), method=method):
if vm['r'] != 'vm':
errs.error(vm['id'], 'not a vm')
else:
hvclient = self.server.get_client(vm['p'])
if hvclient is None:
errs.error(vm['id'], 'offline hypervisor')
else:
try:
hvclient.vm_action(method, vm['h'], *args, **kwargs)
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except Exception as err:
errs.error(vm['id'], str(err))
else:
errs.success(vm['id'], 'ok')
return errs.get_dict()
@listed
def start(self, query):
""" Start a virtual machine.
"""
return self._vm_action(query, 'vm_start')
@listed
def stop(self, query):
""" Stop a virtual machine.
"""
return self._vm_action(query, 'vm_stop')
@listed
def destroy(self, query):
""" Destroy (hard shutdown) a virtual machine.
"""
return self._vm_action(query, 'vm_destroy')
@listed
def pause(self, query):
""" Pause a virtual machine.
"""
return self._vm_action(query, 'vm_suspend')
@listed
def resume(self, query):
""" Resume a virtual machine.
"""
return self._vm_action(query, 'vm_resume')
@listed
def disablevirtiocache(self, query):
""" Set virtio cache to none on VMs disk devices.
:param query: tql query
"""
return self._vm_action(query, 'vm_disable_virtio_cache')
@listed
def autostart(self, query, flag):
""" Set autostart flag on VMs.
:param query: tql query
:param bool flag: autostart value to set
"""
return self._vm_action(query, 'vm_set_autostart', flag)
@listed
def undefine(self, query, delete_storage=True):
""" Undefine selected virtual machines.
:param query: the tql query to select objects.
:param delete_storage: delete storage of vm.
:return: a dict where key is the id of a selected object, and the value
a tuple (errcode, message) where errcode is (success|error|warn) and
message an error message or the output of the command in case of
success.
"""
objects = self.client.list(query, show=('r', 'p', 'h', 'disk*',), method='undefine')
errs = Reporter()
for obj in objects:
if obj['r'] != 'vm':
errs.error(obj['id'], 'bad role')
continue
try:
hvcon = self.server.get_client(obj['p'])
except KeyError:
errs.error(obj['id'], 'hypervisor not connected')
else:
if delete_storage:
for disk in obj.get('disk', '').split():
pool = obj.get('disk%s_pool' % disk)
name = obj.get('disk%s_vol' % disk)
hvcon.proxy.vol_delete(pool, name)
hvcon.proxy.vm_undefine(obj['h'])
errs.success(obj['id'], 'vm undefined')
return errs.get_dict()
#
# Account management:
#
@listed
def passwd(self, query, password, method='ssha'):
""" Define a new password for selected users.
:param query: the query to select the objects to change
:param password: the password to set (None to remove password)
:param method: the hash method (sha, ssha, md5, smd5 or plain)
:return: a standard report output
"""
objects = self.client.list(query, show=('a',), method='passwd')
errs = Reporter()
with self.conf:
for obj in objects:
if 'a' not in obj:
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