def virtual_mount_spec_impl(virtual_source, repository):
TestPlugin.assert_plugin_args(virtual_source=virtual_source,
repository=repository)
primary_mount = Mount(virtual_source.connection.environment,
TEST_MOUNT_PATH, TEST_SHARED_PATH)
another_mount = Mount(virtual_source.connection.environment,
TEST_MOUNT_PATH, TEST_SHARED_PATH)
ownership_spec = OwnershipSpecification(TEST_UID, TEST_GID)
return MountSpecification([primary_mount, another_mount],
ownership_spec)
def virtual_mount_specification(virtual_source, repository):
mount_path = virtual_source.parameters.mount_path
if check_stale_mountpoint(virtual_source.connection, mount_path):
cleanup_process = CouchbaseOperation(
Resource.ObjectBuilder.set_virtual_source(
virtual_source).set_repository(repository).build())
cleanup_process.stop_couchbase()
clean_stale_mountpoint(virtual_source.connection, mount_path)
check_server_is_used(virtual_source.connection, mount_path)
mounts = [Mount(virtual_source.connection.environment, mount_path)]
logger.debug("Mounting path {}".format(mount_path))
logger.debug("Setting ownership to uid {} and gid {}".format(
repository.uid, repository.gid))
ownership_spec = OwnershipSpecification(repository.uid, repository.gid)
logger.debug("in mounting: {}".format(
str(virtual_source.parameters.node_list)))
if virtual_source.parameters.node_list is not None and len(
virtual_source.parameters.node_list) > 0:
# more nodes
for m in virtual_source.parameters.node_list:
logger.debug("in loop: {}".format(str(m)))
node_host = RemoteHost(name='foo',
reference=m["environment"].replace(
'_ENVIRONMENT', ''),
binary_path="",
scratch_path="")
e = RemoteEnvironment("foo", m["environment"], node_host)
mount = Mount(e, mount_path)
mounts.append(mount)
user = RemoteUser(name="unused", reference=m['environmentUser'])
environment = RemoteEnvironment(name="unused",
reference=m['environment'],
host=node_host)
clean_node_conn = RemoteConnection(environment=environment,
user=user)
if check_stale_mountpoint(clean_node_conn, mount_path):
clean_node = CouchbaseOperation(
Resource.ObjectBuilder.set_virtual_source(
virtual_source).set_repository(repository).build(),
clean_node_conn)
clean_node.stop_couchbase()
clean_stale_mountpoint(clean_node_conn, mount_path)
check_server_is_used(clean_node_conn, mount_path)
return MountSpecification(mounts, ownership_spec)
def test_init_mount_invalid_reference_type(reference):
with pytest.raises(IncorrectTypeError) as err_info:
Mount(reference, 'mount_path', 'shared_path')
assert err_info.value.message == (
"Mount's parameter 'remote_environment' was type '{}' but "
"should be of any one of the following types: '['dlpx.virtualization.common._common_classes.RemoteEnvironment', 'basestring']'.".format(type(reference).__name__)
)
def virtual_mount_specification(virtual_source, repository):
logger.debug("virtual_mount_specification")
mount_path = virtual_source.parameters.m_path
logger.debug("Mount Path:" + mount_path)
environment = virtual_source.connection.environment
mounts = [Mount(environment, mount_path)]
return MountSpecification(mounts)
def test_init_mount_bad_remote_env():
with pytest.raises(IncorrectTypeError) as err_info:
Mount('bad string', 'mount_path', 'shared_path')
assert err_info.value.message == (
"Mount's parameter 'remote_environment' was type 'str' but"
" should be of"
" class 'dlpx.virtualization.common._common_classes.RemoteEnvironment'."
)
def _internal_worker(self, request):
"""Staged Worker Wrapper for staged plugins.
Executed as part of validated sync. This plugin
operation is run to sync staging source as part
of the validated sync operation.
Run worker operation for a staged source.
Args:
request (StagedWorkerRequest): Worker arguments.
Returns:
StagedWorkerResponse: A response containing StagedWorkerResult
if successful or PluginErrorResult in case of an error.
"""
# Reasoning for method imports are in this file's docstring.
from generated.definitions import RepositoryDefinition
from generated.definitions import LinkedSourceDefinition
from generated.definitions import SourceConfigDefinition
#
# While linked.worker() is not a required operation, this should
# not be called if it wasn't implemented.
#
if not self.worker_impl:
raise OperationNotDefinedError(Op.LINKED_WORKER)
staged_source_definition = LinkedSourceDefinition.from_dict(
json.loads(request.staged_source.linked_source.parameters.json))
mount = Mount(
remote_environment=(RemoteEnvironment.from_proto(
request.staged_source.staged_mount.remote_environment)),
mount_path=request.staged_source.staged_mount.mount_path,
shared_path=request.staged_source.staged_mount.shared_path)
staged_source = StagedSource(
guid=request.staged_source.linked_source.guid,
source_connection=RemoteConnection.from_proto(
request.staged_source.source_connection),
parameters=staged_source_definition,
mount=mount,
staged_connection=RemoteConnection.from_proto(
request.staged_source.staged_connection))
repository = RepositoryDefinition.from_dict(
json.loads(request.repository.parameters.json))
source_config = SourceConfigDefinition.from_dict(
json.loads(request.source_config.parameters.json))
self.worker_impl(staged_source=staged_source,
repository=repository,
source_config=source_config)
staged_worker_response = platform_pb2.StagedWorkerResponse()
staged_worker_response.return_value.CopyFrom(
platform_pb2.StagedWorkerResult())
return staged_worker_response
def staged_mount_spec_impl(staged_source, repository):
TestPlugin.assert_plugin_args(staged_source=staged_source,
repository=repository)
mount = Mount(
staged_source.source_connection.environment, TEST_MOUNT_PATH)
ownership_spec = OwnershipSpecification(TEST_UID, TEST_GID)
return MountSpecification([mount], ownership_spec)
def staged_mount_specification(staged_source, repository):
common.add_debug_heading_block("Start Staged Mount Specification")
helpers._record_hook("staging mount specification",
staged_source.staged_connection)
logger.debug("mount_path={}".format(staged_source.parameters.mount_path))
mount = Mount(staged_source.staged_connection.environment,
staged_source.parameters.mount_path)
common.add_debug_heading_block("End Staged Mount Specification")
return MountSpecification([mount])
def staged_mount_spec_impl(staged_source, repository):
TestPlugin.assert_plugin_args(staged_source=staged_source,
repository=repository)
# setting the shared_path should fail in the wrapper
mount = Mount(staged_source.source_connection.environment,
TEST_MOUNT_PATH, TEST_SHARED_PATH)
ownership_spec = OwnershipSpecification(TEST_UID, TEST_GID)
return MountSpecification([mount], ownership_spec)
def test_init_mount_spec_bad_owner_spec(remote_environment):
mount = Mount(remote_environment, 'mount_path', 'shared_path')
with pytest.raises(IncorrectTypeError) as err_info:
MountSpecification([mount], 'string')
assert err_info.value.message == (
"MountSpecification's parameter 'ownership_specification' was"
" type 'str' but should be of class 'dlpx.virtualization"
".platform._plugin_classes.OwnershipSpecification'"
" if defined.")
def linked_mount_specification(staged_source, repository):
logger.debug("linked_mount_specification")
try:
mount_path = staged_source.parameters.mount_path
logger.debug("Mount Path:" + mount_path)
environment = staged_source.staged_connection.environment
mounts = [Mount(environment, mount_path)]
except Exception as err:
logger.debug("ERROR: Error creating NFS Mount" + err.message)
raise
return MountSpecification(mounts)
def mount_specification(repository, virtual_source):
helpers._record_hook("virtual mount spec", virtual_source.connection)
virtual_source.mongo_install_path = repository.mongo_install_path
virtual_source.mongo_shell_path = repository.mongo_shell_path
nodes = []
nodes.append(virtual_source.connection.environment.reference)
for node in virtual_source.parameters.additional_nodes:
nodes.append(node['environment'])
totalnodes = len(nodes)
logger.info("Total Nodes : {}".format(totalnodes))
logger.info("Nodes = {}".format(nodes))
logger.info("Mount Path = {}".format(virtual_source.parameters.mount_path))
nodemount_list = []
for node in nodes:
nodemount = Mount(node, virtual_source.parameters.mount_path)
nodemount_list.append(nodemount)
return MountSpecification(nodemount_list)
def linked_mount_specification(staged_source, repository):
mount_path = staged_source.parameters.mount_path
if check_stale_mountpoint(staged_source.staged_connection, mount_path):
cleanup_process = CouchbaseOperation(
Resource.ObjectBuilder.set_staged_source(
staged_source).set_repository(repository).build())
cleanup_process.stop_couchbase()
clean_stale_mountpoint(staged_source.staged_connection, mount_path)
check_server_is_used(staged_source.staged_connection, mount_path)
environment = staged_source.staged_connection.environment
linked.check_mount_path(staged_source, repository)
logger.debug("Mounting path {}".format(mount_path))
mounts = [Mount(environment, mount_path)]
logger.debug("Setting ownership to uid {} and gid {}".format(
repository.uid, repository.gid))
ownership_spec = OwnershipSpecification(repository.uid, repository.gid)
return MountSpecification(mounts, ownership_spec)
def _internal_staged_pre_snapshot(self, request):
"""Pre Snapshot Wrapper for staged plugins.
Executed before creating a snapshot. This plugin
operation is run prior to creating a snapshot for a staged source.
Run pre-snapshot operation for a staged source.
Args:
request (StagedPreSnapshotRequest): Pre Snapshot arguments.
Returns:
StagedPreSnapshotResponse: A response containing
StagedPreSnapshotResult if successful or PluginErrorResult
in case of an error.
"""
# Reasoning for method imports are in this file's docstring.
from generated.definitions import RepositoryDefinition
from generated.definitions import LinkedSourceDefinition
from generated.definitions import SourceConfigDefinition
from generated.definitions import SnapshotParametersDefinition
#
# While linked.pre_snapshot() is not a required operation, this should
# not be called if it wasn't implemented.
#
if not self.pre_snapshot_impl:
raise OperationNotDefinedError(Op.LINKED_PRE_SNAPSHOT)
linked_source = request.staged_source.linked_source
staged_source_definition = (LinkedSourceDefinition.from_dict(
json.loads(linked_source.parameters.json)))
staged_mount = request.staged_source.staged_mount
mount = Mount(remote_environment=RemoteEnvironment.from_proto(
staged_mount.remote_environment),
mount_path=staged_mount.mount_path,
shared_path=staged_mount.shared_path)
staged_source = StagedSource(
guid=linked_source.guid,
source_connection=RemoteConnection.from_proto(
request.staged_source.source_connection),
parameters=staged_source_definition,
mount=mount,
staged_connection=RemoteConnection.from_proto(
request.staged_source.staged_connection))
repository = RepositoryDefinition.from_dict(
json.loads(request.repository.parameters.json))
source_config = SourceConfigDefinition.from_dict(
json.loads(request.source_config.parameters.json))
snapshot_parameters = SnapshotParametersDefinition.from_dict(
json.loads(request.snapshot_parameters.parameters.json))
self.pre_snapshot_impl(staged_source=staged_source,
repository=repository,
source_config=source_config,
snapshot_parameters=snapshot_parameters)
response = platform_pb2.StagedPreSnapshotResponse()
response.return_value.CopyFrom(platform_pb2.StagedPreSnapshotResult())
return response
def linked_mount_specification(staged_source, repository):
mount_path = staged_source.parameters.mount_path
environment = staged_source.staged_connection.environment
linked.check_mount_path(staged_source, repository)
mounts = [Mount(environment, mount_path)]
return MountSpecification(mounts)
def virtual_mount_specification(virtual_source, repository):
mount_path = virtual_source.parameters.mount_path
mounts = [Mount(virtual_source.connection.environment, mount_path)]
return MountSpecification(mounts)
def _from_protobuf_single_subset_mount(single_subset_mount):
return Mount(remote_environment=RemoteEnvironment.from_proto(
single_subset_mount.remote_environment),
mount_path=single_subset_mount.mount_path,
shared_path=single_subset_mount.shared_path)
def test_init_mount_incorrect_format_reference_string(reference_string):
with pytest.raises(IncorrectReferenceFormatError) as err_info:
Mount(reference_string, 'mount_path', 'shared_path')
assert err_info.value.message == (
"Reference '{}' is not a correctly formatted host"
" environment reference.".format(reference_string))
def test_init_mount_reference_string_success(reference_string):
mount = Mount(reference_string, 'mount_path', 'shared_path')
assert (mount.remote_environment.reference == reference_string and
mount.remote_environment.host.reference == 'dummy reference')
def test_init_mount_spec(remote_environment):
mount = Mount(remote_environment, 'mount_path', 'shared_path')
MountSpecification([mount], OwnershipSpecification(10, 10))
def test_init_mount_bad_shared_path(remote_environment):
with pytest.raises(IncorrectTypeError) as err_info:
Mount(remote_environment, 'mount_path', 10000)
assert err_info.value.message == (
"Mount's parameter 'shared_path' was type 'int' but should"
" be of type 'basestring' if defined.")
def _internal_staged_post_snapshot(self, request):
"""Post Snapshot Wrapper for staged plugins.
Executed after creating a snapshot. This plugin
operation is run after creating a snapshot for a staged source.
Run post-snapshot operation for a staged source.
Args:
request (StagedPostSnapshotRequest): Post Snapshot arguments.
Returns:
StagedPostSnapshotResponse: A response containing the return value
StagedPostSnapshotResult which has the snapshot metadata on
success. In case of errors, response object will contain
PluginErrorResult.
"""
# Reasoning for method imports are in this file's docstring.
from generated.definitions import RepositoryDefinition
from generated.definitions import LinkedSourceDefinition
from generated.definitions import SourceConfigDefinition
from generated.definitions import SnapshotDefinition
from generated.definitions import SnapshotParametersDefinition
def to_protobuf(snapshot):
parameters = common_pb2.PluginDefinedObject()
parameters.json = json.dumps(snapshot.to_dict())
snapshot_protobuf = common_pb2.Snapshot()
snapshot_protobuf.parameters.CopyFrom(parameters)
return snapshot_protobuf
if not self.post_snapshot_impl:
raise OperationNotDefinedError(Op.LINKED_POST_SNAPSHOT)
staged_source_definition = LinkedSourceDefinition.from_dict(
json.loads(request.staged_source.linked_source.parameters.json))
mount = Mount(
remote_environment=RemoteEnvironment.from_proto(
request.staged_source.staged_mount.remote_environment),
mount_path=request.staged_source.staged_mount.mount_path,
shared_path=request.staged_source.staged_mount.shared_path)
staged_source = StagedSource(
guid=request.staged_source.linked_source.guid,
source_connection=RemoteConnection.from_proto(
request.staged_source.source_connection),
parameters=staged_source_definition,
mount=mount,
staged_connection=RemoteConnection.from_proto(
request.staged_source.staged_connection))
repository = RepositoryDefinition.from_dict(
json.loads(request.repository.parameters.json))
source_config = SourceConfigDefinition.from_dict(
json.loads(request.source_config.parameters.json))
snapshot_parameters = SnapshotParametersDefinition.from_dict(
json.loads(request.snapshot_parameters.parameters.json))
snapshot = self.post_snapshot_impl(
staged_source=staged_source,
repository=repository,
source_config=source_config,
snapshot_parameters=snapshot_parameters)
# Validate that this is a SnapshotDefinition object
if not isinstance(snapshot, SnapshotDefinition):
raise IncorrectReturnTypeError(Op.LINKED_POST_SNAPSHOT,
type(snapshot), SnapshotDefinition)
response = platform_pb2.StagedPostSnapshotResponse()
response.return_value.snapshot.CopyFrom(to_protobuf(snapshot))
return response
def mount(environment):
return Mount(environment, constants.mount_path, None)
def _internal_status(self, request):
"""Staged Status Wrapper for staged plugins.
Executed as part of several operations to get the status
of a staged source - active or inactive.
Run status operation for a staged source.
Args:
request (StagedStatusRequest): Post Snapshot arguments.
Returns:
StagedStatusResponse: A response containing the return value -
StagedStatusResult which has active or inactive status. In
case of errors, response object will contain PluginErrorResult.
"""
# Reasoning for method imports are in this file's docstring.
from generated.definitions import RepositoryDefinition
from generated.definitions import LinkedSourceDefinition
from generated.definitions import SourceConfigDefinition
#
# While linked.status() is not a required operation, this should
# not be called if it wasn't implemented.
#
if not self.status_impl:
raise OperationNotDefinedError(Op.LINKED_STATUS)
staged_source_definition = LinkedSourceDefinition.from_dict(
json.loads(request.staged_source.linked_source.parameters.json))
mount = Mount(
remote_environment=(RemoteEnvironment.from_proto(
request.staged_source.staged_mount.remote_environment)),
mount_path=request.staged_source.staged_mount.mount_path,
shared_path=request.staged_source.staged_mount.shared_path)
staged_source = StagedSource(
guid=request.staged_source.linked_source.guid,
source_connection=RemoteConnection.from_proto(
request.staged_source.source_connection),
parameters=staged_source_definition,
mount=mount,
staged_connection=RemoteConnection.from_proto(
request.staged_source.staged_connection))
repository = RepositoryDefinition.from_dict(
json.loads(request.repository.parameters.json))
source_config = SourceConfigDefinition.from_dict(
json.loads(request.source_config.parameters.json))
status = self.status_impl(staged_source=staged_source,
repository=repository,
source_config=source_config)
# Validate that this is a Status object.
if not isinstance(status, Status):
raise IncorrectReturnTypeError(Op.LINKED_STATUS, type(status),
Status)
staged_status_response = platform_pb2.StagedStatusResponse()
staged_status_response.return_value.status = status.value
return staged_status_response
def test_init_mount_success(remote_environment):
Mount(remote_environment, 'mount_path', 'shared_path')
def _internal_mount_specification(self, request):
"""Staged Mount/Ownership Spec Wrapper for staged plugins.
Executed before creating a snapshot during sync or before
enable/disable. This plugin operation is run before mounting datasets
on staging to set the mount path and/or ownership.
Run mount/ownership spec operation for a staged source.
Args:
request (StagedMountSpecRequest): Mount Spec arguments.
Returns:
StagedMountSpecResponse: A response containing the return value -
StagedMountSpecResult which has the mount/ownership metadata on
success. In case of errors, response object will contain
PluginErrorResult.
"""
# Reasoning for method imports are in this file's docstring.
from generated.definitions import RepositoryDefinition
from generated.definitions import LinkedSourceDefinition
def to_protobuf_single_mount(single_mount):
if single_mount.shared_path:
raise PluginRuntimeError(
'Shared path is not supported for linked sources.')
single_mount_protobuf = common_pb2.SingleEntireMount()
single_mount_protobuf.mount_path = single_mount.mount_path
single_mount_protobuf.remote_environment.CopyFrom(
single_mount.remote_environment.to_proto())
return single_mount_protobuf
def to_protobuf_ownership_spec(ownership_spec):
ownership_spec_protobuf = common_pb2.OwnershipSpec()
ownership_spec_protobuf.uid = ownership_spec.uid
ownership_spec_protobuf.gid = ownership_spec.gid
return ownership_spec_protobuf
if not self.mount_specification_impl:
raise OperationNotDefinedError(Op.LINKED_MOUNT_SPEC)
staged_source_definition = LinkedSourceDefinition.from_dict(
json.loads(request.staged_source.linked_source.parameters.json))
mount = Mount(
remote_environment=(RemoteEnvironment.from_proto(
request.staged_source.staged_mount.remote_environment)),
mount_path=request.staged_source.staged_mount.mount_path,
shared_path=request.staged_source.staged_mount.shared_path)
staged_source = StagedSource(
guid=request.staged_source.linked_source.guid,
source_connection=RemoteConnection.from_proto(
request.staged_source.source_connection),
parameters=staged_source_definition,
mount=mount,
staged_connection=RemoteConnection.from_proto(
request.staged_source.staged_connection))
repository = RepositoryDefinition.from_dict(
json.loads(request.repository.parameters.json))
mount_spec = self.mount_specification_impl(staged_source=staged_source,
repository=repository)
# Validate that this is a MountSpecification object.
if not isinstance(mount_spec, MountSpecification):
raise IncorrectReturnTypeError(Op.LINKED_MOUNT_SPEC,
type(mount_spec),
MountSpecification)
# Only one mount is supported for linked sources.
mount_len = len(mount_spec.mounts)
if mount_len != 1:
raise PluginRuntimeError(
'Exactly one mount must be provided for staging sources.'
' Found {}'.format(mount_len))
staged_mount = to_protobuf_single_mount(mount_spec.mounts[0])
staged_mount_spec_response = platform_pb2.StagedMountSpecResponse()
staged_mount_spec_response.return_value.staged_mount.CopyFrom(
staged_mount)
# Ownership spec is optional for linked sources.
if mount_spec.ownership_specification:
ownership_spec = to_protobuf_ownership_spec(
mount_spec.ownership_specification)
staged_mount_spec_response.return_value.ownership_spec.CopyFrom(
ownership_spec)
return staged_mount_spec_response
def test_init_mount_bad_remote_env():
with pytest.raises(IncorrectReferenceFormatError) as err_info:
Mount('bad string', 'mount_path', 'shared_path')
assert err_info.value.message == (
"Reference 'bad string' is not a correctly formatted host "
"environment reference.")