def provider_over_allocation_enforcement(identity, user):
provider = identity.provider
action = provider.over_allocation_action
if not action:
logger.debug("No 'over_allocation_action' provided for %s" % provider)
return False
driver = get_cached_driver(identity=identity)
esh_instances = driver.list_instances()
#TODO: Parallelize this operation so you don't wait for larger instances to finish 'wait_for' task below..
for instance in esh_instances:
try:
if driver._is_active_instance(instance):
# Suspend active instances, update the task in the DB
# NOTE: identity.created_by COULD BE the Admin User, indicating that this action/InstanceHistory was
# executed by the administrator.. Future Release Idea.
_execute_provider_action(identity, identity.created_by, instance, action.name)
# NOTE: Intentionally added to allow time for
# the Cloud to begin 'suspend' operation
# before querying for the instance again.
#TODO: Instead: Add "wait_for" change from active to any terminal, non-active state?
wait_time = random.uniform(2, 6)
time.sleep(wait_time)
updated_esh = driver.get_instance(instance.id)
convert_esh_instance(
driver, updated_esh,
identity.provider.uuid,
identity.uuid,
user)
except Exception, e:
# Raise ANY exception that doesn't say
# 'This instance is already in the requested VM state'
#NOTE: This is OpenStack specific
if 'in vm_state' not in e.message:
raise
def get(self, request, provider_uuid, identity_uuid, instance_id):
"""
Authentication Required, get instance details.
"""
user = request.user
# NOTE: This 'Scheme' should be used across
# the ENTIRE API v1 (Machines, Volumes, Sizes)
# NOTE: Especially the part below, where you end date
# all the things that are 'inactive'
try:
provider = Provider.objects.get(uuid=provider_uuid)
if not provider.is_current():
raise ProviderNotActive(provider)
except Provider.DoesNotExist:
return invalid_creds(provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
# Cleared provider testing -- ready for driver prep.
try:
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
logger.info("InstanceQuery Looking for %s" % instance_id)
esh_instance = esh_driver.get_instance(instance_id)
logger.info("InstanceQuery Found instance %s" % esh_instance)
except (socket_error, ConnectionFailure):
logger.exception("Connection failure prevented InstanceQuery")
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
logger.exception("Invalid credentialsprevented InstanceQuery")
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
# NOTE: Especially THIS part below, where you end date all the
# things that are 'inactive'
if not esh_instance:
try:
core_inst = CoreInstance.objects.get(
provider_alias=instance_id,
source__provider__uuid=provider_uuid,
created_by_identity__uuid=identity_uuid)
core_inst.end_date_all()
except CoreInstance.DoesNotExist:
pass
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
serialized_data = InstanceSerializer(
core_instance,
context={"request": request}).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def update_status(esh_driver, instance_id, provider_id, identity_id, user):
#Grab a new copy of the instance
instance_list_method = esh_driver.list_instances
if AccountProvider.objects.filter(identity__id=identity_id):
# Instance list method changes when using the OPENSTACK provider
instance_list_method = esh_driver.list_all_instances
try:
esh_instance_list = instance_list_method()
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
esh_instance = [instance for instance in esh_instance_list if
instance.id == instance_id]
esh_instance = esh_instance[0]
#Convert & Update based on new status change
core_instance = convert_esh_instance(esh_driver,
esh_instance,
provider_id,
identity_id,
user)
core_instance.update_history(
core_instance.esh.extra['status'],
core_instance.esh.extra.get('task'))
def get(self, request, provider_uuid, identity_uuid):
"""
Returns a list of all instances
"""
user = request.user
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
identity = Identity.objects.get(uuid=identity_uuid)
try:
esh_instance_list = get_cached_instances(identity=identity)
except MalformedResponseError:
return malformed_response(provider_uuid, identity_uuid)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
core_instance_list = [convert_esh_instance(esh_driver,
inst,
provider_uuid,
identity_uuid,
user)
for inst in esh_instance_list]
# TODO: Core/Auth checks for shared instances
serialized_data = InstanceSerializer(core_instance_list,
context={"request": request},
many=True).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def delete(self, request, provider_id, identity_id, instance_id):
user = request.user
esh_driver = prepare_driver(request, identity_id)
try:
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
task.destroy_instance_task(esh_instance, identity_id)
existing_instance = esh_driver.get_instance(instance_id)
if existing_instance:
#Instance will be deleted soon...
esh_instance = existing_instance
if esh_instance.extra\
and 'task' not in esh_instance.extra:
esh_instance.extra['task'] = 'queueing delete'
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id,
user)
if core_instance:
core_instance.end_date_all()
serialized_data = InstanceSerializer(core_instance).data
response = Response(serialized_data, status=status.HTTP_200_OK)
response['Cache-Control'] = 'no-cache'
return response
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
def put(self, request, provider_id, identity_id, instance_id):
"""
TODO:
Options for put
- Instance status change (suspend,resume,etc.)
- DB changes (Name, tags)
"""
user = request.user
data = request.DATA
#Ensure item exists on the server first
esh_driver = prepare_driver(request, identity_id)
try:
esh_instance = esh_driver.get_instance(instance_id)
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
if not esh_instance:
return instance_not_found(instance_id)
#Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serializer = InstanceSerializer(core_instance, data=data)
if serializer.is_valid():
logger.info('metadata = %s' % data)
update_instance_metadata(esh_driver, esh_instance, data)
serializer.save()
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(serializer.errors, status=status.HTTP_400)
def patch(self, request, provider_id, identity_id, instance_id):
"""
"""
user = request.user
data = request.DATA
#Ensure item exists on the server first
esh_driver = prepare_driver(request, identity_id)
try:
esh_instance = esh_driver.get_instance(instance_id)
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
if not esh_instance:
return instance_not_found(instance_id)
#Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serializer = InstanceSerializer(core_instance, data=data, partial=True)
if serializer.is_valid():
logger.info('metadata = %s' % data)
update_instance_metadata(esh_driver, esh_instance, data)
serializer.save()
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(
serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def over_allocation_test(identity, esh_instances):
from api import get_esh_driver
from core.models.instance import convert_esh_instance
from atmosphere import settings
over_allocated, time_diff = check_over_allocation(
identity.created_by.username, identity.id,
time_period=relativedelta(day=1, months=1))
logger.info("Overallocation Test: %s - %s - %s\tInstances:%s"
% (identity.created_by.username, over_allocated, time_diff, esh_instances))
if not over_allocated:
# Nothing changed, bail.
return False
if settings.DEBUG:
logger.info('Do not enforce allocations in DEBUG mode')
return False
driver = get_esh_driver(identity)
running_instances = []
for instance in esh_instances:
#Suspend active instances, update the task in the DB
try:
if driver._is_active_instance(instance):
driver.suspend_instance(instance)
except Exception, e:
if 'in vm_state suspended' not in e.message:
raise
updated_esh = driver.get_instance(instance.id)
updated_core = convert_esh_instance(driver, updated_esh,
identity.provider.id,
identity.id,
identity.created_by)
running_instances.append(updated_core)
def monitor_instances_for_user(provider, username, instances):
from core.models.instance import convert_esh_instance
from api import get_esh_driver
try:
user = AtmosphereUser.objects.get(username=username)
#TODO: When user->group is no longer true,
# we will need to modify this..
group = Group.objects.get(name=user.username)
ident = user.identity_set.get(provider=provider)
im = ident.identitymembership_set.get(member=group)
#NOTE: Couples with API, probably want this in
# service/driver
driver = get_esh_driver(ident)
core_instances = []
#NOTE: We are converting them so they will
# be picked up as core models for the 'over_allocation_test'
for instance in instances:
c_inst = convert_esh_instance(
driver, instance,
ident.provider.id, ident.id, ident.created_by)
core_instances.append(c_inst)
over_allocation = over_allocation_test(im.identity,
instances)
core_instances = user.instance_set.filter(
provider_machine__provider=provider,
end_date=None)
core_instances_ident = ident.instance_set.filter(end_date=None)
update_instances(driver, im.identity, instances, core_instances)
except:
logger.exception("Unable to monitor User:%s on Provider:%s"
% (username,provider))
def delete(self, request, provider_id, identity_id, instance_id):
"""Authentication Required, TERMINATE the instance.
Be careful, there is no going back once you've deleted an instance.
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
try:
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
task.destroy_instance_task(esh_instance, identity_id)
existing_instance = esh_driver.get_instance(instance_id)
if existing_instance:
#Instance will be deleted soon...
esh_instance = existing_instance
if esh_instance.extra\
and 'task' not in esh_instance.extra:
esh_instance.extra['task'] = 'queueing delete'
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id,
user)
if core_instance:
core_instance.end_date_all()
else:
logger.warn("Unable to find core instance %s." % (instance_id))
serialized_data = InstanceSerializer(core_instance,
context={"request":request}).data
response = Response(serialized_data, status=status.HTTP_200_OK)
response['Cache-Control'] = 'no-cache'
return response
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
def get(self, request, provider_id, identity_id):
"""
Returns a list of all instances
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
instance_list_method = esh_driver.list_instances
if AccountProvider.objects.filter(identity__id=identity_id):
# Instance list method changes when using the OPENSTACK provider
instance_list_method = esh_driver.list_all_instances
try:
esh_instance_list = instance_list_method()
except InvalidCredsError:
return invalid_creds(provider_id, identity_id)
core_instance_list = [convert_esh_instance(esh_driver,
inst,
provider_id,
identity_id,
user)
for inst in esh_instance_list]
#TODO: Core/Auth checks for shared instances
serialized_data = InstanceSerializer(core_instance_list,
context={"request":request},
many=True).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def get(self, request, provider_id, identity_id, instance_id):
"""
Authentication Required, get instance details.
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
try:
core_inst = CoreInstance.objects.get(
provider_alias=instance_id,
provider_machine__provider__id=provider_id,
created_by_identity__id=identity_id)
core_inst.end_date_all()
except CoreInstance.DoesNotExist:
pass
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serialized_data = InstanceSerializer(core_instance,
context={"request":request}).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def get_core_instance(request, provider_id, identity_id, instance_id):
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
esh_instance = get_esh_instance(request, provider_id, identity_id, instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
return core_instance
def put(self, request, provider_id, identity_id, instance_id):
"""Authentication Required, update metadata about the instance"""
user = request.user
data = request.DATA
#Ensure item exists on the server first
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
#Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serializer = InstanceSerializer(core_instance, data=data,
context={"request":request})
if serializer.is_valid():
logger.info('metadata = %s' % data)
update_instance_metadata(esh_driver, esh_instance, data)
serializer.save()
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(serializer.errors, status=status.HTTP_400)
def monitor_instances_for(provider_id, users=None,
print_logs=False, check_allocations=False, start_date=None, end_date=None):
"""
Run the set of tasks related to monitoring instances for a provider.
Optionally, provide a list of usernames to monitor
While debugging, print_logs=True can be very helpful.
start_date and end_date allow you to search a 'non-standard' window of time.
"""
provider = Provider.objects.get(id=provider_id)
# For now, lets just ignore everything that isn't openstack.
if 'openstack' not in provider.type.name.lower():
return
instance_map = _get_instance_owner_map(provider, users=users)
if print_logs:
import logging
import sys
consolehandler = logging.StreamHandler(sys.stdout)
consolehandler.setLevel(logging.DEBUG)
celery_logger.addHandler(consolehandler)
# DEVNOTE: Potential slowdown running multiple functions
# Break this out when instance-caching is enabled
running_total = 0
for username in sorted(instance_map.keys()):
running_instances = instance_map[username]
running_total += len(running_instances)
identity = _get_identity_from_tenant_name(provider, username)
if identity and running_instances:
try:
driver = get_cached_driver(identity=identity)
core_running_instances = [
convert_esh_instance(
driver,
inst,
identity.provider.uuid,
identity.uuid,
identity.created_by) for inst in running_instances]
except Exception as exc:
celery_logger.exception(
"Could not convert running instances for %s" %
username)
continue
else:
# No running instances.
core_running_instances = []
# Using the 'known' list of running instances, cleanup the DB
core_instances = _cleanup_missing_instances(
identity,
core_running_instances)
if check_allocations:
allocation_result = user_over_allocation_enforcement(
provider, username,
print_logs, start_date, end_date)
if print_logs:
celery_logger.removeHandler(consolehandler)
return running_total
def delete(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, TERMINATE the instance.
Be careful, there is no going back once you've deleted an instance.
"""
user = request.user
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT, str(exc.message))
try:
# Test that there is not an attached volume BEFORE we destroy
task.destroy_instance_task(user, esh_instance, identity_uuid)
invalidate_cached_instances(identity=Identity.objects.get(uuid=identity_uuid))
existing_instance = esh_driver.get_instance(instance_id)
if existing_instance:
# Instance will be deleted soon...
esh_instance = existing_instance
if esh_instance.extra and "task" not in esh_instance.extra:
esh_instance.extra["task"] = "queueing delete"
except VolumeAttachConflict as exc:
message = exc.message
return failure_response(status.HTTP_409_CONFLICT, message)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT, str(exc.message))
try:
core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user)
if core_instance:
core_instance.end_date_all()
else:
logger.warn("Unable to find core instance %s." % (instance_id))
serialized_data = InstanceSerializer(core_instance, context={"request": request}).data
response = Response(serialized_data, status=status.HTTP_200_OK)
response["Cache-Control"] = "no-cache"
return response
except (Identity.DoesNotExist) as exc:
return failure_response(status.HTTP_400_BAD_REQUEST, "Invalid provider_uuid or identity_uuid.")
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
def get_core_instances(identity_id):
identity = CoreIdentity.objects.get(id=identity_id)
driver = get_esh_driver(identity)
instances = driver.list_instances()
core_instances = [
convert_esh_instance(driver, esh_instance, identity.provider.id, identity.id, identity.created_by)
for esh_instance in instances
]
return core_instances
def monitor_instances_for(provider_id, users=None,
print_logs=False, start_date=None, end_date=None):
"""
Run the set of tasks related to monitoring instances for a provider.
Optionally, provide a list of usernames to monitor
While debugging, print_logs=True can be very helpful.
start_date and end_date allow you to search a 'non-standard' window of time.
"""
provider = Provider.objects.get(id=provider_id)
# For now, lets just ignore everything that isn't openstack.
if 'openstack' not in provider.type.name.lower():
return
instance_map = _get_instance_owner_map(provider, users=users)
if print_logs:
console_handler = _init_stdout_logging()
seen_instances = []
# DEVNOTE: Potential slowdown running multiple functions
# Break this out when instance-caching is enabled
if not settings.ENFORCING:
celery_logger.debug('Settings dictate allocations are NOT enforced')
for tenant_name in sorted(instance_map.keys()):
running_instances = instance_map[tenant_name]
identity = _get_identity_from_tenant_name(provider, tenant_name)
if identity and running_instances:
try:
driver = get_cached_driver(identity=identity)
core_running_instances = [
convert_esh_instance(
driver,
inst,
identity.provider.uuid,
identity.uuid,
identity.created_by) for inst in running_instances]
seen_instances.extend(core_running_instances)
except Exception as exc:
celery_logger.exception(
"Could not convert running instances for %s" %
tenant_name)
continue
else:
# No running instances.
core_running_instances = []
# Using the 'known' list of running instances, cleanup the DB
core_instances = _cleanup_missing_instances(
identity,
core_running_instances)
if print_logs:
_exit_stdout_logging(console_handler)
# return seen_instances NOTE: this has been commented out to avoid PicklingError!
# TODO: Uncomment the above, Determine what _we can return_ and return that instead....
return
def put(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, update metadata about the instance"""
user = request.user
data = request.data
# Ensure item exists on the server first
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
if not can_use_instance(user, instance_id, leader_required=True):
return member_action_forbidden(user.username, instance_id)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
if not esh_instance:
return instance_not_found(instance_id)
# Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
serializer = InstanceSerializer(core_instance, data=data,
context={"request": request})
identity = Identity.objects.get(uuid=identity_uuid)
if serializer.is_valid():
logger.info('metadata = %s' % data)
#NOTE: We shouldn't allow 'full replacement' of metadata..
# We should also validate against potentional updating of 'atmo-used metadata'
update_metadata.s(esh_driver.__class__, esh_driver.provider, esh_driver.identity, esh_instance.id,
data, replace_metadata=False).apply()
new_instance = serializer.save()
boot_scripts = data.pop('boot_scripts', [])
if boot_scripts:
new_instance = _save_scripts_to_instance(new_instance,
boot_scripts)
serializer = InstanceSerializer(
new_instance,
context={"request": request})
invalidate_cached_instances(identity=identity)
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def launch_instance(user, provider_id, identity_id,
size_alias, machine_alias, **kwargs):
"""
Required arguments will launch the instance, extras will do
provider-specific modifications.
Test the quota, Launch the instance,
creates a core repr and updates status.
returns a core_instance object after updating core DB.
"""
now_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
if machine_alias:
alias = "machine,%s" % machine_alias
elif 'volume_alias' in kwargs:
alias = "boot_volume,%s" % kwargs['volume_alias']
else:
raise Exception("Not enough data to launch: "
"volume_alias/machine_alias is missing")
status_logger.debug("%s,%s,%s,%s,%s,%s"
% (now_time, user, "No Instance", alias, size_alias,
"Request Received"))
core_identity = CoreIdentity.objects.get(id=identity_id)
esh_driver = get_esh_driver(core_identity, user)
size = esh_driver.get_size(size_alias)
#May raise SizeNotAvailable
check_size(size, provider_id)
#May raise OverQuotaError or OverAllocationError
check_quota(user.username, identity_id, size)
#May raise InvalidCredsError
(esh_instance, token, password) = launch_esh_instance(esh_driver,
machine_alias, size_alias, core_identity, **kwargs)
#Convert esh --> core
core_instance = convert_esh_instance(
esh_driver, esh_instance, provider_id, identity_id,
user, token, password)
esh_size = esh_driver.get_size(esh_instance.size.id)
core_size = convert_esh_size(esh_size, provider_id)
core_instance.update_history(
core_instance.esh.extra['status'],
core_size,
#3rd arg is task OR tmp_status
core_instance.esh.extra.get('task') or
core_instance.esh.extra.get('metadata', {}).get('tmp_status'),
first_update=True)
return core_instance
def _complete_launch_instance(driver, identity, instance, user, token, password, deploy=True):
from service import task
#Create the Core/DB for instance
core_instance = convert_esh_instance(
driver, instance, identity.provider.uuid, identity.uuid,
user, token, password)
# call async task to deploy to instance.
task.deploy_init_task(driver, instance, identity, user.username,
password, token, deploy=deploy)
#Update InstanceStatusHistory
_first_update(driver, identity, core_instance, instance)
#Invalidate and return
invalidate_cached_instances(identity=identity)
return core_instance
def patch(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, update metadata about the instance"""
user = request.user
data = request.data
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
if not esh_instance:
return instance_not_found(instance_id)
# Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
serializer = InstanceSerializer(
core_instance, data=data,
context={"request": request}, partial=True)
identity = Identity.objects.get(uuid=identity_uuid)
provider = identity.provider
if serializer.is_valid():
logger.info('metadata = %s' % data)
driver_class = esh_driver.__class__
update_metadata.s(driver_class, provider, identity, esh_instance.id,
data, replace_metadata=False).apply()
instance = serializer.save()
boot_scripts = data.pop('boot_scripts', [])
if boot_scripts:
_save_scripts_to_instance(instance, boot_scripts)
invalidate_cached_instances(identity=identity)
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(
serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def put(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, update metadata about the instance"""
user = request.user
data = request.DATA
# Ensure item exists on the server first
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except ConnectionFailure:
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
if not esh_instance:
return instance_not_found(instance_id)
# Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
serializer = InstanceSerializer(core_instance, data=data,
context={"request": request})
if serializer.is_valid():
logger.info('metadata = %s' % data)
update_instance_metadata(esh_driver, esh_instance, data)
serializer.save()
new_instance = serializer.object
boot_scripts = data.pop('boot_scripts', [])
if boot_scripts:
new_instance = _save_scripts_to_instance(new_instance,
boot_scripts)
serializer = InstanceSerializer(
new_instance,
context={"request": request})
invalidate_cached_instances(
identity=Identity.objects.get(
uuid=identity_uuid))
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def current_instance_time(user, instances, identity_id, delta_time):
"""
Add all running instances to core, so that the database is up to date
before calling 'core_instance_time'
"""
from api import get_esh_driver
ident = Identity.objects.get(id=identity_id)
driver = get_esh_driver(ident)
core_instance_list = [
convert_esh_instance(driver, inst,
ident.provider.id, ident.id, user)
for inst in instances]
#All instances that don't have an end-date should be
#included, even if all of their time is not.
time_used = core_instance_time(user, ident.id, delta_time, running=core_instance_list)
return time_used
def get(self, request, provider_uuid, identity_uuid, instance_id):
"""
Authentication Required, get instance details.
"""
user = request.user
# NOTE: This 'Scheme' should be used across
# the ENTIRE API v1 (Machines, Volumes, Sizes)
# NOTE: Especially the part below, where you end date
# all the things that are 'inactive'
try:
provider = Provider.objects.get(uuid=provider_uuid)
except Provider.DoesNotExist:
return invalid_creds(provider_uuid, identity_uuid)
if provider.is_active():
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT, str(exc.message))
else:
esh_instance = None
# NOTE: Especially THIS part below, where you end date all the
# things that are 'inactive'
if not esh_instance:
try:
core_inst = CoreInstance.objects.get(
provider_alias=instance_id,
source__provider__uuid=provider_uuid,
created_by_identity__uuid=identity_uuid,
)
core_inst.end_date_all()
except CoreInstance.DoesNotExist:
pass
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user)
serialized_data = InstanceSerializer(core_instance, context={"request": request}).data
response = Response(serialized_data)
response["Cache-Control"] = "no-cache"
return response
def get(self, request, provider_id, identity_id, instance_id):
"""
Return the object belonging to this instance ID
TODO: Filter out instances you shouldnt see (permissions..)
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serialized_data = InstanceSerializer(core_instance).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def get(self, request, provider_id, identity_id, instance_id):
"""
Authentication Required, get instance details.
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serialized_data = InstanceSerializer(core_instance,
context={"request":request}).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def update_status(esh_driver, instance_id, provider_id, identity_id, user):
"""
All that this method really does is:
* Query for the instance
* call 'convert_esh_instance'
Converting the instance internally updates the status history..
But it makes more sense to call this function in the code..
"""
# Grab a new copy of the instance
if AccountProvider.objects.filter(identity__id=identity_id):
esh_instance = admin_get_instance(esh_driver, instance_id)
else:
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return None
# Convert & Update based on new status change
core_instance = convert_esh_instance(esh_driver, esh_instance, provider_id, identity_id, user)
def post(self, request, provider_id, identity_id, volume_id=None):
user = request.user
data = request.DATA
missing_keys = valid_launch_data(data)
if missing_keys:
return keys_not_found(missing_keys)
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
source = None
name = data.pop('name')
size_id = data.pop('size')
(source_type, get_source, source_id) = self._select_source(esh_driver,
data)
if not get_source:
return failure_response(
status.HTTP_400_BAD_REQUEST,
'Source could not be acquired. Did you send: ['
'snapshot_id/volume_id/image_id] ?')
source = get_source(source_id)
if not source:
return failure_response(
status.HTTP_404_NOT_FOUND,
"%s %s does not exist"
% (source_type.title(), source_id))
size = esh_driver.get_size(size_id)
if not size:
return failure_response(
status.HTTP_404_NOT_FOUND,
"Size %s does not exist"
% (size_id,))
esh_instance = boot_volume(esh_driver, identity_id, name,
size, source, source_type, **data)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_id, identity_id, user)
serialized_data = InstanceSerializer(core_instance,
context={'request': request}).data
response = Response(serialized_data)
return response
def get(self, request, provider_uuid, identity_uuid):
"""
Returns a list of all instances
"""
user = request.user
try:
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(
status.HTTP_409_CONFLICT,
e.message)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
identity = Identity.objects.get(uuid=identity_uuid)
# Probably redundant
if not user.can_use_identity(identity.id):
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance_list = get_cached_instances(identity=identity)
except MalformedResponseError:
return malformed_response(provider_uuid, identity_uuid)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
core_instance_list = [convert_esh_instance(esh_driver,
inst,
provider_uuid,
identity_uuid,
user)
for inst in esh_instance_list]
# TODO: Core/Auth checks for shared instances
serialized_data = InstanceSerializer(core_instance_list,
context={"request": request},
many=True).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def launch_instance(user, provider_id, identity_id,
size_alias, machine_alias, **kwargs):
"""
Required arguments will launch the instance, extras will do
provider-specific modifications.
Test the quota, Launch the instance,
creates a core repr and updates status.
returns a core_instance object after updating core DB.
"""
core_identity = CoreIdentity.objects.get(id=identity_id)
esh_driver = get_esh_driver(core_identity, user)
size = esh_driver.get_size(size_alias)
#May raise SizeNotAvailable
check_size(size, provider_id)
#May raise OverQuotaError or OverAllocationError
check_quota(user.username, identity_id, size)
#May raise InvalidCredsError
(esh_instance, token, password) = launch_esh_instance(esh_driver, machine_alias,
size_alias, core_identity,
**kwargs)
#Convert esh --> core
core_instance = convert_esh_instance(
esh_driver, esh_instance, provider_id, identity_id,
user, token, password)
core_instance.update_history(
core_instance.esh.extra['status'],
#2nd arg is task OR tmp_status
core_instance.esh.extra.get('task') or
core_instance.esh.extra.get('metadata', {}).get('tmp_status'),
first_update=True)
return core_instance
def get(self, request, provider_uuid, identity_uuid):
"""
Returns a list of all instances
"""
user = request.user
try:
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(status.HTTP_409_CONFLICT, e.message)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
identity = Identity.objects.get(uuid=identity_uuid)
# Probably redundant
if not user.can_use_identity(identity.id):
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance_list = get_cached_instances(identity=identity)
except LibcloudBadResponseError:
return malformed_response(provider_uuid, identity_uuid)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
core_instance_list = [
convert_esh_instance(esh_driver, inst, provider_uuid,
identity_uuid, user)
for inst in esh_instance_list
]
# TODO: Core/Auth checks for shared instances
serialized_data = InstanceSerializer(core_instance_list,
context={
"request": request
},
many=True).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def update_status(esh_driver, instance_id, provider_uuid, identity_uuid, user):
"""
All that this method really does is:
* Query for the instance
* call 'convert_esh_instance'
Converting the instance internally updates the status history..
But it makes more sense to call this function in the code..
"""
#Grab a new copy of the instance
if AccountProvider.objects.filter(identity__uuid=identity_uuid):
esh_instance = admin_get_instance(esh_driver, instance_id)
else:
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return None
#Convert & Update based on new status change
core_instance = convert_esh_instance(esh_driver,
esh_instance,
provider_uuid,
identity_uuid,
user)
def get(self, request, provider_uuid, identity_uuid, instance_id):
"""
Authentication Required, get instance details.
"""
user = request.user
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except InvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
if not esh_instance:
try:
core_inst = CoreInstance.objects.get(
provider_alias=instance_id,
source__provider__uuid=provider_uuid,
created_by_identity__uuid=identity_uuid)
core_inst.end_date_all()
except CoreInstance.DoesNotExist:
pass
return instance_not_found(instance_id)
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
serialized_data = InstanceSerializer(
core_instance,
context={"request": request}).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def get(self, request, provider_id, identity_id):
"""
Returns a list of all instances
"""
user = request.user
esh_driver = prepare_driver(request, provider_id, identity_id)
if not esh_driver:
return invalid_creds(provider_id, identity_id)
identity = Identity.objects.get(id=identity_id)
esh_instance_list = get_cached_instances(identity=identity)
core_instance_list = [
convert_esh_instance(esh_driver, inst, provider_id, identity_id,
user) for inst in esh_instance_list
]
#TODO: Core/Auth checks for shared instances
serialized_data = InstanceSerializer(core_instance_list,
context={
"request": request
},
many=True).data
response = Response(serialized_data)
response['Cache-Control'] = 'no-cache'
return response
def suspend_all_instances_for(identity, user):
driver = get_cached_driver(identity=identity)
esh_instances = driver.list_instances()
for instance in esh_instances:
try:
if driver._is_active_instance(instance):
#Suspend active instances, update the task in the DB
driver.suspend_instance(instance)
#NOTE: Intentionally added to allow time for
# the Cloud to begin 'suspend' operation
# before querying for the instance again.
time = random.uniform(2,6)
time.sleep(time)
updated_esh = driver.get_instance(instance.id)
updated_core = convert_esh_instance(
driver, updated_esh,
identity.provider.uuid,
identity.uuid,
user)
except Exception, e:
#Raise ANY exception that doesn't say
#'This instance is already suspended'
if 'in vm_state suspended' not in e.message:
raise
def put(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, update metadata about the instance"""
user = request.user
data = request.DATA
#Ensure item exists on the server first
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
esh_instance = esh_driver.get_instance(instance_id)
if not esh_instance:
return instance_not_found(instance_id)
#Gather the DB related item and update
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid, user)
serializer = InstanceSerializer(core_instance, data=data,
context={"request":request})
if serializer.is_valid():
logger.info('metadata = %s' % data)
update_instance_metadata(esh_driver, esh_instance, data)
serializer.save()
new_instance = serializer.object
boot_scripts = data.pop('boot_scripts', [])
if boot_scripts:
new_instance = _save_scripts_to_instance(new_instance, boot_scripts)
serializer = InstanceSerializer(new_instance,
context={"request":request})
invalidate_cached_instances(
identity=Identity.objects.get(
uuid=identity_uuid))
response = Response(serializer.data)
logger.info('data = %s' % serializer.data)
response['Cache-Control'] = 'no-cache'
return response
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def delete(self, request, provider_uuid, identity_uuid, instance_id):
"""Authentication Required, TERMINATE the instance.
Be careful, there is no going back once you've deleted an instance.
"""
user = request.user
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_instance = esh_driver.get_instance(instance_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT, str(exc.message))
try:
# Test that there is not an attached volume BEFORE we destroy
task.destroy_instance_task(user, esh_instance, identity_uuid)
invalidate_cached_instances(identity=Identity.objects.get(
uuid=identity_uuid))
existing_instance = esh_driver.get_instance(instance_id)
if existing_instance:
# Instance will be deleted soon...
esh_instance = existing_instance
if esh_instance.extra\
and 'task' not in esh_instance.extra:
esh_instance.extra['task'] = 'queueing delete'
except VolumeAttachConflict as exc:
message = exc.message
return failure_response(status.HTTP_409_CONFLICT, message)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except InstanceDoesNotExist as dne:
return failure_response(
status.HTTP_404_NOT_FOUND,
'Instance %s no longer exists' % (dne.message, ))
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT, str(exc.message))
try:
core_instance = convert_esh_instance(esh_driver, esh_instance,
provider_uuid, identity_uuid,
user)
if core_instance:
core_instance.end_date_all()
else:
logger.warn("Unable to find core instance %s." % (instance_id))
serialized_data = InstanceSerializer(core_instance,
context={
"request": request
}).data
response = Response(serialized_data, status=status.HTTP_200_OK)
response['Cache-Control'] = 'no-cache'
return response
except (Identity.DoesNotExist) as exc:
return failure_response(status.HTTP_400_BAD_REQUEST,
"Invalid provider_uuid or identity_uuid.")
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)