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Handle ConnectionException, add change_user_password

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This commit is contained in:
Modulos 2017-05-13 05:50:56 +02:00
commit cfaf201064
2 changed files with 51 additions and 45 deletions
hosting
views.py
opennebula_api
models.py

18
hosting/views.py
View file

@ -427,8 +427,7 @@ class PaymentVMView(LoginRequiredMixin, FormView):
# Create OpenNebulaManager
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
template = manager.get_template(vm_template_id)
# Get user ssh key
@ -509,8 +508,7 @@ class OrdersHostingDetailView(PermissionRequiredMixin, LoginRequiredMixin, Detai
obj = self.get_object()
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
vm = manager.get_vm(obj.vm_id)
context['vm'] = VirtualMachineSerializer(vm).data
return context
@ -546,8 +544,7 @@ class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
def get_queryset(self):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
queryset = manager.get_vms()
serializer = VirtualMachineSerializer(queryset, many=True)
return serializer.data
@ -597,8 +594,7 @@ class VirtualMachineView(LoginRequiredMixin, View):
vm = None
manager = OpenNebulaManager(
email=owner.email,
password=owner.password,
create_user=True
password=owner.password
)
vm_id = self.kwargs.get('pk')
try:
@ -628,8 +624,7 @@ class VirtualMachineView(LoginRequiredMixin, View):
manager = OpenNebulaManager(
email=owner.email,
password=owner.password,
create_user=True
password=owner.password
)
terminated = manager.delete_vm(
@ -695,8 +690,7 @@ class HostingBillDetailView(PermissionRequiredMixin, LoginRequiredMixin, DetailV
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
# Get vms
queryset = manager.get_vms()
vms = VirtualMachineSerializer(queryset, many=True).data

78
opennebula_api/models.py
View file

@ -13,7 +13,7 @@ logger = logging.getLogger(__name__)
class OpenNebulaManager():
"""This class represents an opennebula manager."""
def __init__(self, email=None, password=None, create_user=True):
def __init__(self, email=None, password=None):
# Get oneadmin client
self.oneadmin_client = self._get_opennebula_client(
@ -21,21 +21,19 @@ class OpenNebulaManager():
settings.OPENNEBULA_PASSWORD
)
if not create_user or email is None:
return
# Get or create oppenebula user using given credentials
self.opennebula_user = self._get_or_create_user(
email,
password
)
# If opennebula user was created/obtained, get his client
if self.opennebula_user:
try:
self.opennebula_user = self._get_or_create_user(
email,
password
)
# If opennebula user was created/obtained, get his client
self.client = self._get_opennebula_client(
email,
password
)
except:
pass
def _get_opennebula_client(self, username, password):
return oca.Client("{0}:{1}".format(
@ -56,10 +54,14 @@ class OpenNebulaManager():
except WrongNameError as wrong_name_err:
opennebula_user = self.oneadmin_client.call(oca.User.METHODS['allocate'], email,
password, 'core')
logger.debug(
"User {0} does not exist. Created the user. User id = {1}",
email,
opennebula_user
)
return opennebula_user
#TODO: Replace with logger
except ConnectionRefusedError:
print('Could not connect to host: {host} via protocol {protocol}'.format(
logger.info('Could not connect to host: {host} via protocol {protocol}'.format(
host=settings.OPENNEBULA_DOMAIN,
protocol=settings.OPENNEBULA_PROTOCOL)
)
@ -68,9 +70,8 @@ class OpenNebulaManager():
try:
user_pool = oca.UserPool(self.oneadmin_client)
user_pool.info()
#TODO: Replace with logger
except ConnectionRefusedError:
print('Could not connect to host: {host} via protocol {protocol}'.format(
logger.info('Could not connect to host: {host} via protocol {protocol}'.format(
host=settings.OPENNEBULA_DOMAIN,
protocol=settings.OPENNEBULA_PROTOCOL)
)
@ -82,13 +83,12 @@ class OpenNebulaManager():
vm_pool = oca.VirtualMachinePool(self.client)
vm_pool.info()
except AttributeError:
print('Could not connect via client, using oneadmin instead')
logger.info('Could not connect via client, using oneadmin instead')
vm_pool = oca.VirtualMachinePool(self.oneadmin_client)
vm_pool.info(filter=-2)
#TODO: Replace with logger
except ConnectionRefusedError:
print('Could not connect to host: {host} via protocol {protocol}'.format(
logger.info('Could not connect to host: {host} via protocol {protocol}'.format(
host=settings.OPENNEBULA_DOMAIN,
protocol=settings.OPENNEBULA_PROTOCOL)
)
@ -96,11 +96,17 @@ class OpenNebulaManager():
return vm_pool
def get_vms(self):
return self._get_vm_pool()
try:
return self._get_vm_pool()
except ConnectionRefusedError:
return []
def get_vm(self, vm_id):
vm_pool = self._get_vm_pool()
return vm_pool.get_by_id(int(vm_id))
try:
vm_pool = self._get_vm_pool()
return vm_pool.get_by_id(int(vm_id))
except:
return None
#TODO: get app with id
def create_vm(self, template_id, app_id=None, ssh_key=None):
@ -122,7 +128,7 @@ class OpenNebulaManager():
self.opennebula_user.group_ids[0]
)
except AttributeError:
print('Could not change owner, opennebula_user is not set.')
logger.info('Could not change owner for vm with id: {}.'.format(vm_id))
return vm_id
def delete_vm(self, vm_id):
@ -137,16 +143,12 @@ class OpenNebulaManager():
vm_terminated = True
except socket.timeout as socket_err:
logger.info("Socket timeout error: {0}".format(socket_err))
print("Socket timeout error: {0}".format(socket_err))
except OpenNebulaException as opennebula_err:
logger.info("OpenNebulaException error: {0}".format(opennebula_err))
print("OpenNebulaException error: {0}".format(opennebula_err))
except OSError as os_err:
logger.info("OSError : {0}".format(os_err))
print("OSError : {0}".format(os_err))
except ValueError as value_err:
logger.info("ValueError : {0}".format(value_err))
print("ValueError : {0}".format(value_err))
return vm_terminated
@ -156,7 +158,7 @@ class OpenNebulaManager():
template_pool.info()
#TODO: Replace with logger
except ConnectionRefusedError:
print('Could not connect to host: {host} via protocol {protocol}'.format(
logger.info('Could not connect to host: {host} via protocol {protocol}'.format(
host=settings.OPENNEBULA_DOMAIN,
protocol=settings.OPENNEBULA_PROTOCOL)
)
@ -164,12 +166,16 @@ class OpenNebulaManager():
return template_pool
def get_templates(self):
public_templates = [
template
for template in self._get_template_pool()
if 'public-' in template.name
]
return public_templates
try:
public_templates = [
template
for template in self._get_template_pool()
if 'public-' in template.name
]
return public_templates
except ConnectionRefusedError:
return []
def get_template(self, template_id):
template_pool = self._get_template_pool()
return template_pool.get_by_id(template_id)
@ -226,3 +232,9 @@ class OpenNebulaManager():
def delete_template(self, template_id):
self.oneadmin_client.call(oca.VmTemplate.METHODS['delete'], template_id, False)
def change_user_password(self, new_password):
self.oneadmin_client.call(
oca.User.METHODS['passwd'],
self.opennebula_user.id,
new_password
)