import yaml
import json
import copy
+import os
+import shutil
# import logging
from hashlib import md5
class DescriptorTopic(BaseTopic):
def __init__(self, db, fs, msg, auth):
+
BaseTopic.__init__(self, db, fs, msg, auth)
def check_conflict_on_edit(self, session, final_content, edit_content, _id):
"""
self.fs.file_delete(_id, ignore_non_exist=True)
self.fs.file_delete(_id + "_", ignore_non_exist=True) # remove temp folder
+ # Remove file revisions
+ if "revision" in db_content["_admin"]:
+ revision = db_content["_admin"]["revision"]
+ while revision > 0:
+ self.fs.file_delete(_id + ":" + str(revision), ignore_non_exist=True)
+ revision = revision - 1
+
@staticmethod
def get_one_by_id(db, session, topic, id):
# Avoid override in this case as the target is userDefinedData, but not vnfd,nsd descriptors
# indata = DescriptorTopic._validate_input_new(self, indata, project_id=session["force"])
- content = {"_admin": {"userDefinedData": indata}}
+ content = {"_admin": {
+ "userDefinedData": indata,
+ "revision": 0
+ }}
+
self.format_on_new(
content, session["project_id"], make_public=session["public"]
)
elif not filename:
filename = "package"
+ revision = 1
+ if "revision" in current_desc["_admin"]:
+ revision = current_desc["_admin"]["revision"] + 1
+
# TODO change to Content-Disposition filename https://tools.ietf.org/html/rfc6266
file_pkg = None
error_text = ""
total = int(content_range[3])
else:
start = 0
- temp_folder = (
- _id + "_"
+ # Rather than using a temp folder, we will store the package in a folder based on
+ # the current revision.
+ proposed_revision_path = (
+ _id + ":" + str(revision)
) # all the content is upload here and if ok, it is rename from id_ to is folder
if start:
- if not self.fs.file_exists(temp_folder, "dir"):
+ if not self.fs.file_exists(proposed_revision_path, "dir"):
raise EngineException(
"invalid Transaction-Id header", HTTPStatus.NOT_FOUND
)
else:
- self.fs.file_delete(temp_folder, ignore_non_exist=True)
- self.fs.mkdir(temp_folder)
+ self.fs.file_delete(proposed_revision_path, ignore_non_exist=True)
+ self.fs.mkdir(proposed_revision_path)
storage = self.fs.get_params()
storage["folder"] = _id
- file_path = (temp_folder, filename)
+ file_path = (proposed_revision_path, filename)
if self.fs.file_exists(file_path, "file"):
file_size = self.fs.file_size(file_path)
else:
)
storage["descriptor"] = descriptor_file_name
storage["zipfile"] = filename
- self.fs.file_extract(tar, temp_folder)
+ self.fs.file_extract(tar, proposed_revision_path)
with self.fs.file_open(
- (temp_folder, descriptor_file_name), "r"
+ (proposed_revision_path, descriptor_file_name), "r"
) as descriptor_file:
content = descriptor_file.read()
elif compressed == "zip":
)
storage["descriptor"] = descriptor_file_name
storage["zipfile"] = filename
- self.fs.file_extract(zipfile, temp_folder)
+ self.fs.file_extract(zipfile, proposed_revision_path)
with self.fs.file_open(
- (temp_folder, descriptor_file_name), "r"
+ (proposed_revision_path, descriptor_file_name), "r"
) as descriptor_file:
content = descriptor_file.read()
else:
error_text = "Invalid yaml format "
indata = yaml.load(content, Loader=yaml.SafeLoader)
+ # Need to close the file package here so it can be copied from the
+ # revision to the current, unrevisioned record
+ if file_pkg:
+ file_pkg.close()
+ file_pkg = None
+
+ # Fetch both the incoming, proposed revision and the original revision so we
+ # can call a validate method to compare them
+ current_revision_path = _id + "/"
+ self.fs.sync(from_path=current_revision_path)
+ self.fs.sync(from_path=proposed_revision_path)
+
+ if revision > 1:
+ try:
+ self._validate_descriptor_changes(
+ descriptor_file_name,
+ current_revision_path,
+ proposed_revision_path)
+ except Exception as e:
+ shutil.rmtree(self.fs.path + current_revision_path, ignore_errors=True)
+ shutil.rmtree(self.fs.path + proposed_revision_path, ignore_errors=True)
+ # Only delete the new revision. We need to keep the original version in place
+ # as it has not been changed.
+ self.fs.file_delete(proposed_revision_path, ignore_non_exist=True)
+ raise e
+
+ # Copy the revision to the active package name by its original id
+ shutil.rmtree(self.fs.path + current_revision_path, ignore_errors=True)
+ os.rename(self.fs.path + proposed_revision_path, self.fs.path + current_revision_path)
+ self.fs.file_delete(current_revision_path, ignore_non_exist=True)
+ self.fs.mkdir(current_revision_path)
+ self.fs.reverse_sync(from_path=current_revision_path)
+ shutil.rmtree(self.fs.path + _id)
+
current_desc["_admin"]["storage"] = storage
current_desc["_admin"]["onboardingState"] = "ONBOARDED"
current_desc["_admin"]["operationalState"] = "ENABLED"
session, current_desc, indata, _id=_id
)
current_desc["_admin"]["modified"] = time()
+ current_desc["_admin"]["revision"] = revision
self.db.replace(self.topic, _id, current_desc)
- self.fs.dir_rename(temp_folder, _id)
+
+ # Store a copy of the package as a point in time revision
+ revision_desc = dict(current_desc)
+ revision_desc["_id"] = _id + ":" + str(revision_desc["_admin"]["revision"])
+ self.db.create(self.topic + "_revisions", revision_desc)
indata["_id"] = _id
self._send_msg("edited", indata)
return indata
+ def _validate_descriptor_changes(self,
+ descriptor_file_name,
+ old_descriptor_directory,
+ new_descriptor_directory):
+ # Todo: compare changes and throw a meaningful exception for the user to understand
+ # Example:
+ # raise EngineException(
+ # "Error in validating new descriptor: <NODE> cannot be modified",
+ # http_code=HTTPStatus.UNPROCESSABLE_ENTITY,
+ # )
+ pass
class VnfdTopic(DescriptorTopic):
topic = "vnfds"
"""
super().delete_extra(session, _id, db_content, not_send_msg)
self.db.del_list("vnfpkgops", {"vnfPkgId": _id})
+ self.db.del_list(self.topic+"_revisions", {"_id": {"$regex": _id}})
def sol005_projection(self, data):
data["onboardingState"] = data["_admin"]["onboardingState"]
http_code=HTTPStatus.CONFLICT,
)
+ def delete_extra(self, session, _id, db_content, not_send_msg=None):
+ """
+ Deletes associate file system storage (via super)
+ Deletes associated vnfpkgops from database.
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param db_content: The database content of the descriptor
+ :return: None
+ :raises: FsException in case of error while deleting associated storage
+ """
+ super().delete_extra(session, _id, db_content, not_send_msg)
+ self.db.del_list(self.topic+"_revisions", { "_id": { "$regex": _id}})
+
def sol005_projection(self, data):
data["nsdOnboardingState"] = data["_admin"]["onboardingState"]
data["nsdOperationalState"] = data["_admin"]["operationalState"]
projects / osm / NBI.git / blobdiff