class OCS(object):
"""
Base OCSClass
"""
def __init__(self, **kwargs):
"""
Initializer function
Args:
kwargs (dict):
1) For existing resource, use OCP.reload() to get the
resource's dictionary and use it to pass as **kwargs
2) For new resource, use yaml files templates under
/templates/CSI like:
obj_dict = load_yaml(
os.path.join(
TEMPLATE_DIR, "some_resource.yaml"
)
)
"""
self.data = kwargs
self._api_version = self.data.get('api_version')
self._kind = self.data.get('kind')
self._namespace = None
if 'metadata' in self.data:
self._namespace = self.data.get('metadata').get('namespace')
self._name = self.data.get('metadata').get('name')
self.ocp = OCP(api_version=self._api_version,
kind=self.kind,
namespace=self._namespace)
self.temp_yaml = tempfile.NamedTemporaryFile(mode='w+',
prefix=self._kind,
delete=False)
# This _is_delete flag is set to True if the delete method was called
# on object of this class and was successfull.
self._is_deleted = False
@property
def api_version(self):
return self._api_version
@property
def kind(self):
return self._kind
@property
def namespace(self):
return self._namespace
@property
def name(self):
return self._name
@property
def is_deleted(self):
return self._is_deleted
def reload(self):
"""
Reloading the OCS instance with the new information from its actual
data.
After creating a resource from a yaml file, the actual yaml file is
being changed and more information about the resource is added.
"""
self.data = self.get()
self.__init__(**self.data)
def get(self, out_yaml_format=True):
return self.ocp.get(resource_name=self.name,
out_yaml_format=out_yaml_format)
def describe(self):
return self.ocp.describe(resource_name=self.name)
def create(self, do_reload=True):
log.info(f"Adding {self.kind} with name {self.name}")
templating.dump_data_to_temp_yaml(self.data, self.temp_yaml.name)
status = self.ocp.create(yaml_file=self.temp_yaml.name)
if do_reload:
self.reload()
return status
def delete(self, wait=True, force=False):
"""
Delete the OCS object if its not already deleted
(using the internal is_deleted flag)
Args:
wait (bool): Wait for object to be deleted
force (bool): Force delete object
Returns:
bool: True if deleted, False otherwise
"""
# Avoid accidental delete of default storageclass and secret
if (self.name == constants.DEFAULT_STORAGECLASS_CEPHFS
or self.name == constants.DEFAULT_STORAGECLASS_RBD):
log.info(f"Attempt to delete default Secret or StorageClass")
return
if self._is_deleted:
log.info(f"Attempt to remove resource: {self.name} which is"
f"already deleted! Skipping delete of this resource!")
result = True
else:
result = self.ocp.delete(resource_name=self.name,
wait=wait,
force=force)
self._is_deleted = True
return result
def apply(self, **data):
with open(self.temp_yaml.name, 'w') as yaml_file:
yaml.dump(data, yaml_file)
assert self.ocp.apply(
yaml_file=self.temp_yaml.name), (f"Failed to apply changes {data}")
self.reload()
def add_label(self, label):
"""
Addss a new label
Args:
label (str): New label to be assigned for this pod
E.g: "label=app='rook-ceph-mds'"
"""
status = self.ocp.add_label(resource_name=self.name, label=label)
self.reload()
return status
def delete_temp_yaml_file(self):
utils.delete_file(self.temp_yaml.name)
class OCS(object):
"""
Base OCSClass
"""
def __init__(self, **kwargs):
"""
Initializer function
Args:
kwargs (dict):
1) For existing resource, use OCP.reload() to get the
resource's dictionary and use it to pass as **kwargs
2) For new resource, use yaml files templates under
/templates/CSI like:
obj_dict = load_yaml_to_dict(
os.path.join(
TEMPLATE_DIR, "some_resource.yaml"
)
)
"""
self.data = kwargs
self._api_version = self.data.get('api_version')
self._kind = self.data.get('kind')
self._namespace = None
if 'metadata' in self.data:
self._namespace = self.data.get('metadata').get('namespace')
self._name = self.data.get('metadata').get('name')
self.ocp = OCP(api_version=self._api_version,
kind=self.kind,
namespace=self._namespace)
self.temp_yaml = tempfile.NamedTemporaryFile(mode='w+',
prefix=self._kind,
delete=False)
@property
def api_version(self):
return self._api_version
@property
def kind(self):
return self._kind
@property
def namespace(self):
return self._namespace
@property
def name(self):
return self._name
def reload(self):
"""
Reloading the OCS instance with the new information from its actual
data.
After creating a resource from a yaml file, the actual yaml file is
being changed and more information about the resource is added.
"""
self.data = self.get()
self.__init__(**self.data)
def get(self, out_yaml_format=True):
return self.ocp.get(resource_name=self.name,
out_yaml_format=out_yaml_format)
def create(self):
log.info(f"Adding {self.kind} with name {self.name}")
templating.dump_dict_to_temp_yaml(self.data, self.temp_yaml.name)
status = self.ocp.create(yaml_file=self.temp_yaml.name)
self.reload()
return status
def delete(self, wait=True):
return self.ocp.delete(resource_name=self.name, wait=wait)
def apply(self, **data):
with open(self.temp_yaml.name, 'w') as yaml_file:
yaml.dump(data, yaml_file)
assert self.ocp.apply(
yaml_file=self.temp_yaml.name), (f"Failed to apply changes {data}")
self.reload()
def add_label(self, label):
"""
Addss a new label
Args:
label (str): New label to be assigned for this pod
E.g: "label=app='rook-ceph-mds'"
"""
status = self.ocp.add_label(resource_name=self.name, label=label)
self.reload()
return status
def delete_temp_yaml_file(self):
utils.delete_file(self.temp_yaml.name)
