def _execute(self, cmd, args):
template = yield db.get(self.context, 'template')
if not template:
self._action_log(
cmd,
'Cannot deploy %s (%s) because no template was specified' %
(self.context.hostname, self.context),
system='deploy',
logLevel=ERROR)
return
if (yield db.ro_transact(IDeployed.providedBy)(self.context)):
log.msg('Attempt to deploy a deployed compute: %s' %
(self.context),
system='deploy')
return
@db.transact
def allocate_ip_address():
ippools = db.get_root()['oms_root']['ippools']
ip = ippools.allocate()
if ip is not None:
self._action_log(cmd,
'Allocated IP: %s for %s' %
(ip, self.context),
system='deploy')
ulog = UserLogger(principal=cmd.protocol.interaction.
participations[0].principal,
subject=self.context,
owner=self.context.__owner__)
ulog.log('Allocated IP for %s: %s' % (self.context, ip))
return ip
else:
raise Exception(
'Could not allocate IP for the new compute: pools exhausted or undefined'
)
@db.transact
def cleanup_root_password():
if getattr(self.context, 'root_password', None) is not None:
self.context.root_password = None
@db.transact
def adjust_cpulimit():
"""Set cpulimit to a configured percentage * cores"""
cores = getattr(self.context, 'num_cores', 1)
cpu_limit_factor = get_config().getfloat('vms', 'cpu_limit', 80)
cpu_limit = cores * cpu_limit_factor / 100.0
log.msg("Updating cpulimit to %s" % cpu_limit, system='deploy')
self.context.cpu_limit = cpu_limit
target = (args if IVirtualizationContainer.providedBy(args) else
(yield db.get(self.context, '__parent__')))
try:
yield db.transact(alsoProvides)(self.context, IDeploying)
vm_parameters = yield self.get_parameters()
ipaddr = netaddr.IPAddress(vm_parameters['ip_address'])
if vm_parameters['ip_address'] in (None, u'0.0.0.0/32', u'0.0.0.0',
'0.0.0.0/32', '0.0.0.0'):
ipaddr = yield allocate_ip_address()
vm_parameters.update({'ip_address': str(ipaddr)})
utils = getAllUtilitiesRegisteredFor(IPreDeployHook)
for util in utils:
yield defer.maybeDeferred(util.execute, self.context, cmd,
vm_parameters)
log.msg('Deploying %s to %s: issuing agent command' %
(self.context, target),
system='deploy')
res = yield IVirtualizationContainerSubmitter(target).submit(
IDeployVM, vm_parameters)
yield cleanup_root_password()
yield adjust_cpulimit()
name = yield db.get(self.context, '__name__')
hostname = yield db.get(self.context, 'hostname')
owner = yield db.get(self.context, '__owner__')
owner_obj = getUtility(IAuthentication).getPrincipal(owner)
log.msg('Checking post-deploy...', system='deploy')
@db.transact
def set_notify_admin():
if self.context.notify_admin:
self.context.license_activated = False
admin_logger.warning(
'%s (hostname=%s; owner=%s; targethost=%s(%s); ipaddr=%s) '
'requires activation!', self.context,
self.context.hostname, self.context.__owner__,
target.__parent__, target.__parent__.hostname,
vm_parameters['ip_address'])
yield set_notify_admin()
if not (yield self._check_vm_post(cmd, name, hostname, target)):
self._action_log(cmd,
'Deployment failed. Request result: %s' % res,
system='deploy')
return
@db.transact
def add_deployed_model_remove_from_hangar(c, target):
path = canonical_path(target)
target = traverse1(path)
cpath = canonical_path(c)
c = traverse1(cpath)
if c is None:
raise Exception('Compute not found: "%s"' % cpath)
new_compute = Compute(unicode(hostname), u'inactive')
new_compute.__name__ = name
new_compute.__owner__ = owner_obj
new_compute.template = unicode(template)
new_compute._ipv4_address = unicode(ipaddr)
new_compute.mac_address = getattr(c, 'mac_address', None)
new_compute.memory = getattr(c, 'memory', 0)
new_compute.diskspace = getattr(c, 'diskspace', {u'total': 0})
new_compute.num_cores = getattr(c, 'num_cores', 0)
new_compute.license_activated = getattr(
c, 'license_activated', True)
alsoProvides(new_compute, IVirtualCompute)
alsoProvides(new_compute, IDeployed)
noLongerProvides(new_compute, IManageable)
target.add(new_compute)
container = c.__parent__
del container[name]
timestamp = int(time.time() * 1000)
IStream(new_compute).add((timestamp, {
'event': 'change',
'name': 'features',
'value': new_compute.features,
'old_value': self.context.features
}))
IStream(new_compute).add((timestamp, {
'event':
'change',
'name':
'ipv4_address',
'value':
new_compute._ipv4_address,
'old_value':
self.context._ipv4_address
}))
yield add_deployed_model_remove_from_hangar(self.context, target)
self._action_log(
cmd,
'Deployment of "%s"(%s) is finished' %
(vm_parameters['hostname'], self.context.__name__),
system='deploy')
auto_allocate = get_config().getboolean('vms', 'auto_allocate',
True)
if not auto_allocate and not get_config().getboolean(
'stats', 'only_report_on_sync', True):
yield defer.maybeDeferred(
getUtility(IUserStatisticsProvider).update, owner)
except Exception as e:
log.err(system='deploy')
@db.transact
def cleanup_deploying():
noLongerProvides(self.context, IDeploying)
yield cleanup_deploying()
raise e
def _execute(self, cmd, args):
template = yield db.get(self.context, 'template')
if not template:
self._action_log(cmd, 'Cannot deploy %s (%s) because no template was specified' %
(self.context.hostname, self.context), system='deploy', logLevel=ERROR)
return
if (yield db.ro_transact(IDeployed.providedBy)(self.context)):
log.msg('Attempt to deploy a deployed compute: %s' % (self.context), system='deploy')
return
@db.transact
def allocate_ip_address():
ippools = db.get_root()['oms_root']['ippools']
ip = ippools.allocate()
if ip is not None:
self._action_log(cmd, 'Allocated IP: %s for %s' % (ip, self.context), system='deploy')
ulog = UserLogger(principal=cmd.protocol.interaction.participations[0].principal,
subject=self.context, owner=self.context.__owner__)
ulog.log('Allocated IP for %s: %s' % (self.context, ip))
return ip
else:
raise Exception('Could not allocate IP for the new compute: pools exhausted or undefined')
@db.transact
def cleanup_root_password():
if getattr(self.context, 'root_password', None) is not None:
self.context.root_password = None
target = (args if IVirtualizationContainer.providedBy(args)
else (yield db.get(self.context, '__parent__')))
try:
yield db.transact(alsoProvides)(self.context, IDeploying)
vm_parameters = yield self.get_parameters()
ipaddr = netaddr.IPAddress(vm_parameters['ip_address'])
if vm_parameters['ip_address'] in (None, u'0.0.0.0/32', u'0.0.0.0', '0.0.0.0/32', '0.0.0.0'):
ipaddr = yield allocate_ip_address()
vm_parameters.update({'ip_address': str(ipaddr)})
utils = getAllUtilitiesRegisteredFor(IPreDeployHook)
for util in utils:
yield defer.maybeDeferred(util.execute, self.context, cmd, vm_parameters)
log.msg('Deploying %s to %s: issuing agent command' % (self.context, target), system='deploy')
res = yield IVirtualizationContainerSubmitter(target).submit(IDeployVM, vm_parameters)
yield cleanup_root_password()
name = yield db.get(self.context, '__name__')
hostname = yield db.get(self.context, 'hostname')
owner = yield db.get(self.context, '__owner__')
owner_obj = getUtility(IAuthentication).getPrincipal(owner)
log.msg('Checking post-deploy...', system='deploy')
if not (yield self._check_vm_post(cmd, name, hostname, target)):
self._action_log(cmd, 'Deployment failed. Deployment request result: %s' % res,
system='deploy')
return
@db.transact
def add_deployed_model_remove_from_hangar(c, target):
path = canonical_path(target)
target = traverse1(path)
cpath = canonical_path(c)
c = traverse1(cpath)
if c is None:
raise Exception('Compute not found: "%s"' % cpath)
new_compute = Compute(unicode(hostname), u'inactive')
new_compute.__name__ = name
new_compute.__owner__ = owner_obj
new_compute.template = unicode(template)
new_compute._ipv4_address = unicode(ipaddr)
new_compute.mac_address = getattr(c, 'mac_address', None)
new_compute.memory = getattr(c, 'memory', 0)
new_compute.diskspace = getattr(c, 'diskspace', {u'total': 0})
new_compute.num_cores = getattr(c, 'num_cores', 0)
alsoProvides(new_compute, IVirtualCompute)
alsoProvides(new_compute, IDeployed)
noLongerProvides(new_compute, IManageable)
target.add(new_compute)
container = c.__parent__
del container[name]
timestamp = int(time.time() * 1000)
IStream(new_compute).add((timestamp, {'event': 'change',
'name': 'features',
'value': new_compute.features,
'old_value': self.context.features}))
IStream(new_compute).add((timestamp, {'event': 'change',
'name': 'ipv4_address',
'value': new_compute._ipv4_address,
'old_value': self.context._ipv4_address}))
yield add_deployed_model_remove_from_hangar(self.context, target)
self._action_log(cmd, 'Deployment of "%s"(%s) is finished'
% (vm_parameters['hostname'], self.context.__name__), system='deploy')
auto_allocate = get_config().getboolean('vms', 'auto_allocate', True)
if not auto_allocate and not get_config().getboolean('stats', 'only_report_on_sync', True):
yield defer.maybeDeferred(getUtility(IUserStatisticsProvider).update, owner)
except Exception as e:
log.err(system='deploy')
@db.transact
def cleanup_deploying():
noLongerProvides(self.context, IDeploying)
yield cleanup_deploying()
raise e
def _execute(self, cmd, args):
if (yield db.ro_transact(IDeployed.providedBy)(self.context)):
log.msg('Attempt to allocate a deployed compute: %s' %
(self.context),
system='deploy')
return
yield db.transact(alsoProvides)(self.context, IAllocating)
@db.ro_transact
def get_matching_machines(container):
all_machines = db.get_root()['oms_root']['machines']
param = unicode(get_config().getstring('allocate',
'diskspace_filter_param',
default=u'/storage'))
def condition_generator(m):
yield ICompute.providedBy(m)
yield find_compute_v12n_container(m, container)
yield not getattr(m, 'exclude_from_allocation', None)
yield not getattr(m, 'failure', None)
if not get_config().getboolean('overcommit', 'memory', False):
yield self.context.memory_usage < m.memory
else:
log.msg('Memory filtering is disabled.',
system='action-allocate')
if not get_config().getboolean('overcommit', 'disk', False):
yield sum(
map(
lambda (pk, pv): pv,
filter(lambda (pk, pv): pk != 'total',
self.context.diskspace.iteritems()))) < (
m.diskspace.get(param, 0) -
m.diskspace_usage.get(param, 0))
else:
log.msg('Diskspace filtering is disabled.',
system='action-allocate')
if not get_config().getboolean('overcommit', 'cores', False):
yield self.context.num_cores <= m.num_cores
else:
log.msg('\'Total # of cores\' filtering is disabled.',
system='action-allocate')
templates = m['vms-%s' % container]['templates']
yield self.context.template in map(
lambda t: t.name,
filter(lambda t: ITemplate.providedBy(t),
templates.listcontent() if templates else []))
def unwind_until_false(generator):
fail_description = [
'Not a compute',
'No virt container %s' % container,
'In a failed state - not responding to ping',
'Excluded from allocation',
'Has less than %s MB memory' % self.context.memory_usage,
'Not enough diskspace', 'Not enough CPU cores',
'Template is unavailable'
]
try:
for idx, r in enumerate(generator):
if not r:
return 'Fail at %d: %s' % (idx,
fail_description[idx])
return 'Match'
except Exception as e:
log.err(system='action-allocate')
return 'Fail (exception)' % (fail_description, e)
results = map(
lambda m: (str(m), unwind_until_false(condition_generator(m))),
all_machines)
log.msg('Searching in: %s' % (results),
logLevel=DEBUG,
system='action-allocate')
return filter(lambda m: all(condition_generator(m)), all_machines)
try:
log.msg('Allocating %s: searching for targets...' % self.context,
system='action-allocate')
vmsbackend = yield db.ro_transact(
lambda: self.context.__parent__.backend)()
machines = yield get_matching_machines(vmsbackend)
if len(machines) <= 0:
self._action_log(cmd,
'Found no fitting machines. Action aborted.',
system='action-allocate',
logLevel=WARNING)
return
@db.ro_transact
def rank(machines):
return sorted(machines, key=lambda m: m.__name__)
best = (yield rank(machines))[0]
log.msg(
'Found %s as the best candidate. Attempting to allocate...' %
(best),
system='action-allocate')
bestvmscontainer = yield db.ro_transact(
find_compute_v12n_container)(best, vmsbackend)
@db.transact
def set_additional_keys():
self._additional_keys = [
canonical_path(best),
canonical_path(bestvmscontainer)
]
yield set_additional_keys()
yield self.reacquire_until_clear()
yield DeployAction(self.context)._execute(DetachedProtocol(),
bestvmscontainer)
finally:
yield db.transact(noLongerProvides)(self.context, IAllocating)