X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FRO.git;a=blobdiff_plain;f=NG-RO%2Fosm_ng_ro%2Fns.py;h=3f14c587538ee0f570e667347efba4765a226173;hp=706454d534f83aa59c32e89473c53c6b30eb7359;hb=78f474e69fde9d64e8716978b5ea38f9f5aace48;hpb=049cbb1b256805f589c24776dcf092c77fefec6a diff --git a/NG-RO/osm_ng_ro/ns.py b/NG-RO/osm_ng_ro/ns.py index 706454d5..3f14c587 100644 --- a/NG-RO/osm_ng_ro/ns.py +++ b/NG-RO/osm_ng_ro/ns.py @@ -22,7 +22,7 @@ from random import choice as random_choice from threading import Lock from time import time from traceback import format_exc as traceback_format_exc -from typing import Any, Dict, Tuple +from typing import Any, Dict, Tuple, Type from uuid import uuid4 from cryptography.hazmat.backends import default_backend as crypto_default_backend @@ -44,11 +44,12 @@ from osm_common import ( msglocal, version as common_version, ) -from osm_common.dbbase import DbException -from osm_common.fsbase import FsException +from osm_common.dbbase import DbBase, DbException +from osm_common.fsbase import FsBase, FsException from osm_common.msgbase import MsgException from osm_ng_ro.ns_thread import deep_get, NsWorker, NsWorkerException from osm_ng_ro.validation import deploy_schema, validate_input +import yaml __author__ = "Alfonso Tierno " min_common_version = "0.1.16" @@ -108,6 +109,20 @@ class Ns(object): self.next_worker = 0 self.plugins = {} self.workers = [] + self.process_params_function_map = { + "net": Ns._process_net_params, + "image": Ns._process_image_params, + "flavor": Ns._process_flavor_params, + "vdu": Ns._process_vdu_params, + "affinity-or-anti-affinity-group": Ns._process_affinity_group_params, + } + self.db_path_map = { + "net": "vld", + "image": "image", + "flavor": "flavor", + "vdu": "vdur", + "affinity-or-anti-affinity-group": "affinity-or-anti-affinity-group", + } def init_db(self, target_version): pass @@ -295,15 +310,31 @@ class Ns(object): for target_id in vims_to_unload: self._unload_vim(target_id) - def _get_cloud_init(self, where): - """ - Not used as cloud init content is provided in the http body. This method reads cloud init from a file - :param where: can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex' - :return: + @staticmethod + def _get_cloud_init( + db: Type[DbBase], + fs: Type[FsBase], + location: str, + ) -> str: + """This method reads cloud init from a file. + + Note: Not used as cloud init content is provided in the http body. + + Args: + db (Type[DbBase]): [description] + fs (Type[FsBase]): [description] + location (str): can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex' + + Raises: + NsException: [description] + NsException: [description] + + Returns: + str: [description] """ - vnfd_id, _, other = where.partition(":") + vnfd_id, _, other = location.partition(":") _type, _, name = other.partition(":") - vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) + vnfd = db.get_one("vnfds", {"_id": vnfd_id}) if _type == "file": base_folder = vnfd["_admin"]["storage"] @@ -311,23 +342,42 @@ class Ns(object): base_folder["folder"], base_folder["pkg-dir"], name ) - if not self.fs: + if not fs: raise NsException( "Cannot read file '{}'. Filesystem not loaded, change configuration at storage.driver".format( cloud_init_file ) ) - with self.fs.file_open(cloud_init_file, "r") as ci_file: + with fs.file_open(cloud_init_file, "r") as ci_file: cloud_init_content = ci_file.read() elif _type == "vdu": cloud_init_content = vnfd["vdu"][int(name)]["cloud-init"] else: - raise NsException("Mismatch descriptor for cloud init: {}".format(where)) + raise NsException("Mismatch descriptor for cloud init: {}".format(location)) return cloud_init_content - def _parse_jinja2(self, cloud_init_content, params, context): + @staticmethod + def _parse_jinja2( + cloud_init_content: str, + params: Dict[str, Any], + context: str, + ) -> str: + """Function that processes the cloud init to replace Jinja2 encoded parameters. + + Args: + cloud_init_content (str): [description] + params (Dict[str, Any]): [description] + context (str): [description] + + Raises: + NsException: [description] + NsException: [description] + + Returns: + str: [description] + """ try: env = Environment(undefined=StrictUndefined) template = env.from_string(cloud_init_content) @@ -458,6 +508,7 @@ class Ns(object): "vim_name": None, "vim_status": None, "vim_details": None, + "vim_message": None, "refresh_at": None, }, "modified_at": now, @@ -474,6 +525,7 @@ class Ns(object): indata: Dict[str, Any], vim_info: Dict[str, Any], target_record_id: str, + **kwargs: Dict[str, Any], ) -> Dict[str, Any]: """Function to process VDU image parameters. @@ -711,6 +763,7 @@ class Ns(object): indata: Dict[str, Any], vim_info: Dict[str, Any], target_record_id: str, + **kwargs: Dict[str, Any], ) -> Dict[str, Any]: """[summary] @@ -799,6 +852,7 @@ class Ns(object): indata: Dict[str, Any], vim_info: Dict[str, Any], target_record_id: str, + **kwargs: Dict[str, Any], ) -> Dict[str, Any]: """Function to process network parameters. @@ -868,355 +922,1249 @@ class Ns(object): return extra_dict - def deploy(self, session, indata, version, nsr_id, *args, **kwargs): - self.logger.debug("ns.deploy nsr_id={} indata={}".format(nsr_id, indata)) - validate_input(indata, deploy_schema) - action_id = indata.get("action_id", str(uuid4())) - task_index = 0 - # get current deployment - db_nsr_update = {} # update operation on nsrs - db_vnfrs_update = {} - db_vnfrs = {} # vnf's info indexed by _id - nb_ro_tasks = 0 # for logging - vdu2cloud_init = indata.get("cloud_init_content") or {} - step = "" - logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id) - self.logger.debug(logging_text + "Enter") + @staticmethod + def _process_vdu_params( + target_vdu: Dict[str, Any], + indata: Dict[str, Any], + vim_info: Dict[str, Any], + target_record_id: str, + **kwargs: Dict[str, Any], + ) -> Dict[str, Any]: + """Function to process VDU parameters. - try: - step = "Getting ns and vnfr record from db" - db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) - db_new_tasks = [] - tasks_by_target_record_id = {} - # read from db: vnf's of this ns - step = "Getting vnfrs from db" - db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) + Args: + target_vdu (Dict[str, Any]): [description] + indata (Dict[str, Any]): [description] + vim_info (Dict[str, Any]): [description] + target_record_id (str): [description] - if not db_vnfrs_list: - raise NsException("Cannot obtain associated VNF for ns") + Returns: + Dict[str, Any]: [description] + """ + vnfr_id = kwargs.get("vnfr_id") + nsr_id = kwargs.get("nsr_id") + vnfr = kwargs.get("vnfr") + vdu2cloud_init = kwargs.get("vdu2cloud_init") + tasks_by_target_record_id = kwargs.get("tasks_by_target_record_id") + logger = kwargs.get("logger") + db = kwargs.get("db") + fs = kwargs.get("fs") + ro_nsr_public_key = kwargs.get("ro_nsr_public_key") + + vnf_preffix = "vnfrs:{}".format(vnfr_id) + ns_preffix = "nsrs:{}".format(nsr_id) + image_text = ns_preffix + ":image." + target_vdu["ns-image-id"] + flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"] + extra_dict = {"depends_on": [image_text, flavor_text]} + net_list = [] + + # If the position info is provided for all the interfaces, it will be sorted + # according to position number ascendingly. + if all(i.get("position") for i in target_vdu["interfaces"]): + sorted_interfaces = sorted( + target_vdu["interfaces"], + key=lambda x: (x.get("position") is None, x.get("position")), + ) + target_vdu["interfaces"] = sorted_interfaces - for vnfr in db_vnfrs_list: - db_vnfrs[vnfr["_id"]] = vnfr - db_vnfrs_update[vnfr["_id"]] = {} + # If the position info is provided for some interfaces but not all of them, the interfaces + # which has specific position numbers will be placed and others' positions will not be taken care. + else: + if any(i.get("position") for i in target_vdu["interfaces"]): + n = len(target_vdu["interfaces"]) + sorted_interfaces = [-1] * n + k, m = 0, 0 + while k < n: + if target_vdu["interfaces"][k].get("position"): + idx = target_vdu["interfaces"][k]["position"] + sorted_interfaces[idx - 1] = target_vdu["interfaces"][k] + k += 1 + while m < n: + if not target_vdu["interfaces"][m].get("position"): + idy = sorted_interfaces.index(-1) + sorted_interfaces[idy] = target_vdu["interfaces"][m] + m += 1 + + target_vdu["interfaces"] = sorted_interfaces + + # If the position info is not provided for the interfaces, interfaces will be attached + # according to the order in the VNFD. + for iface_index, interface in enumerate(target_vdu["interfaces"]): + if interface.get("ns-vld-id"): + net_text = ns_preffix + ":vld." + interface["ns-vld-id"] + elif interface.get("vnf-vld-id"): + net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"] + else: + logger.error( + "Interface {} from vdu {} not connected to any vld".format( + iface_index, target_vdu["vdu-name"] + ) + ) - now = time() - db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False) + continue # interface not connected to any vld - if not db_ro_nsr: - db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now) + extra_dict["depends_on"].append(net_text) - ro_nsr_public_key = db_ro_nsr["public_key"] + if "port-security-enabled" in interface: + interface["port_security"] = interface.pop("port-security-enabled") - # check that action_id is not in the list of actions. Suffixed with :index - if action_id in db_ro_nsr["actions"]: - index = 1 + if "port-security-disable-strategy" in interface: + interface["port_security_disable_strategy"] = interface.pop( + "port-security-disable-strategy" + ) - while True: - new_action_id = "{}:{}".format(action_id, index) + net_item = { + x: v + for x, v in interface.items() + if x + in ( + "name", + "vpci", + "port_security", + "port_security_disable_strategy", + "floating_ip", + ) + } + net_item["net_id"] = "TASK-" + net_text + net_item["type"] = "virtual" + + # TODO mac_address: used for SR-IOV ifaces #TODO for other types + # TODO floating_ip: True/False (or it can be None) + if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"): + # mark the net create task as type data + if deep_get( + tasks_by_target_record_id, + net_text, + "extra_dict", + "params", + "net_type", + ): + tasks_by_target_record_id[net_text]["extra_dict"]["params"][ + "net_type" + ] = "data" + + net_item["use"] = "data" + net_item["model"] = interface["type"] + net_item["type"] = interface["type"] + elif ( + interface.get("type") == "OM-MGMT" + or interface.get("mgmt-interface") + or interface.get("mgmt-vnf") + ): + net_item["use"] = "mgmt" + else: + # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"): + net_item["use"] = "bridge" + net_item["model"] = interface.get("type") - if new_action_id not in db_ro_nsr["actions"]: - action_id = new_action_id - self.logger.debug( - logging_text - + "Changing action_id in use to {}".format(action_id) - ) - break + if interface.get("ip-address"): + net_item["ip_address"] = interface["ip-address"] - index += 1 + if interface.get("mac-address"): + net_item["mac_address"] = interface["mac-address"] - def _process_vdu_params(target_vdu, indata, vim_info, target_record_id): - nonlocal vnfr_id - nonlocal nsr_id - nonlocal vnfr - nonlocal vdu2cloud_init - nonlocal tasks_by_target_record_id - - vnf_preffix = "vnfrs:{}".format(vnfr_id) - ns_preffix = "nsrs:{}".format(nsr_id) - image_text = ns_preffix + ":image." + target_vdu["ns-image-id"] - flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"] - extra_dict = {"depends_on": [image_text, flavor_text]} - net_list = [] - - for iface_index, interface in enumerate(target_vdu["interfaces"]): - if interface.get("ns-vld-id"): - net_text = ns_preffix + ":vld." + interface["ns-vld-id"] - elif interface.get("vnf-vld-id"): - net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"] - else: - self.logger.error( - "Interface {} from vdu {} not connected to any vld".format( - iface_index, target_vdu["vdu-name"] - ) - ) + net_list.append(net_item) - continue # interface not connected to any vld + if interface.get("mgmt-vnf"): + extra_dict["mgmt_vnf_interface"] = iface_index + elif interface.get("mgmt-interface"): + extra_dict["mgmt_vdu_interface"] = iface_index - extra_dict["depends_on"].append(net_text) + # cloud config + cloud_config = {} - if "port-security-enabled" in interface: - interface["port_security"] = interface.pop( - "port-security-enabled" - ) + if target_vdu.get("cloud-init"): + if target_vdu["cloud-init"] not in vdu2cloud_init: + vdu2cloud_init[target_vdu["cloud-init"]] = Ns._get_cloud_init( + db=db, + fs=fs, + location=target_vdu["cloud-init"], + ) - if "port-security-disable-strategy" in interface: - interface["port_security_disable_strategy"] = interface.pop( - "port-security-disable-strategy" - ) + cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]] + cloud_config["user-data"] = Ns._parse_jinja2( + cloud_init_content=cloud_content_, + params=target_vdu.get("additionalParams"), + context=target_vdu["cloud-init"], + ) - net_item = { - x: v - for x, v in interface.items() - if x - in ( - "name", - "vpci", - "port_security", - "port_security_disable_strategy", - "floating_ip", - ) - } - net_item["net_id"] = "TASK-" + net_text - net_item["type"] = "virtual" - - # TODO mac_address: used for SR-IOV ifaces #TODO for other types - # TODO floating_ip: True/False (or it can be None) - if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"): - # mark the net create task as type data - if deep_get( - tasks_by_target_record_id, net_text, "params", "net_type" + if target_vdu.get("boot-data-drive"): + cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive") + + ssh_keys = [] + + if target_vdu.get("ssh-keys"): + ssh_keys += target_vdu.get("ssh-keys") + + if target_vdu.get("ssh-access-required"): + ssh_keys.append(ro_nsr_public_key) + + if ssh_keys: + cloud_config["key-pairs"] = ssh_keys + + persistent_root_disk = {} + disk_list = [] + vnfd_id = vnfr["vnfd-id"] + vnfd = db.get_one("vnfds", {"_id": vnfd_id}) + for vdu in vnfd.get("vdu", ()): + if vdu["name"] == target_vdu["vdu-name"]: + for vsd in vnfd.get("virtual-storage-desc", ()): + if vsd.get("id") == vdu.get("virtual-storage-desc", [[]])[0]: + root_disk = vsd + if root_disk.get( + "type-of-storage" + ) == "persistent-storage:persistent-storage" and root_disk.get( + "size-of-storage" ): - tasks_by_target_record_id[net_text]["params"][ - "net_type" - ] = "data" - - net_item["use"] = "data" - net_item["model"] = interface["type"] - net_item["type"] = interface["type"] - elif ( - interface.get("type") == "OM-MGMT" - or interface.get("mgmt-interface") - or interface.get("mgmt-vnf") + persistent_root_disk[vsd["id"]] = { + "image_id": vdu.get("sw-image-desc"), + "size": root_disk["size-of-storage"], + } + disk_list.append(persistent_root_disk[vsd["id"]]) + + if target_vdu.get("virtual-storages"): + for disk in target_vdu["virtual-storages"]: + if ( + disk.get("type-of-storage") + == "persistent-storage:persistent-storage" + and disk["id"] not in persistent_root_disk.keys() + ): + disk_list.append({"size": disk["size-of-storage"]}) + + affinity_group_list = [] + + if target_vdu.get("affinity-or-anti-affinity-group-id"): + affinity_group = {} + for affinity_group_id in target_vdu["affinity-or-anti-affinity-group-id"]: + affinity_group_text = ( + ns_preffix + ":affinity-or-anti-affinity-group." + affinity_group_id + ) + + extra_dict["depends_on"].append(affinity_group_text) + affinity_group["affinity_group_id"] = "TASK-" + affinity_group_text + affinity_group_list.append(affinity_group) + + extra_dict["params"] = { + "name": "{}-{}-{}-{}".format( + indata["name"][:16], + vnfr["member-vnf-index-ref"][:16], + target_vdu["vdu-name"][:32], + target_vdu.get("count-index") or 0, + ), + "description": target_vdu["vdu-name"], + "start": True, + "image_id": "TASK-" + image_text, + "flavor_id": "TASK-" + flavor_text, + "affinity_group_list": affinity_group_list, + "net_list": net_list, + "cloud_config": cloud_config or None, + "disk_list": disk_list, + "availability_zone_index": None, # TODO + "availability_zone_list": None, # TODO + } + + return extra_dict + + @staticmethod + def _process_affinity_group_params( + target_affinity_group: Dict[str, Any], + indata: Dict[str, Any], + vim_info: Dict[str, Any], + target_record_id: str, + **kwargs: Dict[str, Any], + ) -> Dict[str, Any]: + """Get affinity or anti-affinity group parameters. + + Args: + target_affinity_group (Dict[str, Any]): [description] + indata (Dict[str, Any]): [description] + vim_info (Dict[str, Any]): [description] + target_record_id (str): [description] + + Returns: + Dict[str, Any]: [description] + """ + + extra_dict = {} + affinity_group_data = { + "name": target_affinity_group["name"], + "type": target_affinity_group["type"], + "scope": target_affinity_group["scope"], + } + + if target_affinity_group.get("vim-affinity-group-id"): + affinity_group_data["vim-affinity-group-id"] = target_affinity_group[ + "vim-affinity-group-id" + ] + + extra_dict["params"] = { + "affinity_group_data": affinity_group_data, + } + + return extra_dict + + @staticmethod + def _process_recreate_vdu_params( + existing_vdu: Dict[str, Any], + db_nsr: Dict[str, Any], + vim_info: Dict[str, Any], + target_record_id: str, + target_id: str, + **kwargs: Dict[str, Any], + ) -> Dict[str, Any]: + """Function to process VDU parameters to recreate. + + Args: + existing_vdu (Dict[str, Any]): [description] + db_nsr (Dict[str, Any]): [description] + vim_info (Dict[str, Any]): [description] + target_record_id (str): [description] + target_id (str): [description] + + Returns: + Dict[str, Any]: [description] + """ + vnfr = kwargs.get("vnfr") + vdu2cloud_init = kwargs.get("vdu2cloud_init") + # logger = kwargs.get("logger") + db = kwargs.get("db") + fs = kwargs.get("fs") + ro_nsr_public_key = kwargs.get("ro_nsr_public_key") + + extra_dict = {} + net_list = [] + + vim_details = {} + vim_details_text = existing_vdu["vim_info"][target_id].get("vim_details", None) + if vim_details_text: + vim_details = yaml.safe_load(f"{vim_details_text}") + + for iface_index, interface in enumerate(existing_vdu["interfaces"]): + + if "port-security-enabled" in interface: + interface["port_security"] = interface.pop("port-security-enabled") + + if "port-security-disable-strategy" in interface: + interface["port_security_disable_strategy"] = interface.pop( + "port-security-disable-strategy" + ) + + net_item = { + x: v + for x, v in interface.items() + if x + in ( + "name", + "vpci", + "port_security", + "port_security_disable_strategy", + "floating_ip", + ) + } + existing_ifaces = existing_vdu["vim_info"][target_id].get( + "interfaces_backup", [] + ) + net_id = next( + ( + i["vim_net_id"] + for i in existing_ifaces + if i["ip_address"] == interface["ip-address"] + ), + None, + ) + + net_item["net_id"] = net_id + net_item["type"] = "virtual" + + # TODO mac_address: used for SR-IOV ifaces #TODO for other types + # TODO floating_ip: True/False (or it can be None) + if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"): + net_item["use"] = "data" + net_item["model"] = interface["type"] + net_item["type"] = interface["type"] + elif ( + interface.get("type") == "OM-MGMT" + or interface.get("mgmt-interface") + or interface.get("mgmt-vnf") + ): + net_item["use"] = "mgmt" + else: + # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"): + net_item["use"] = "bridge" + net_item["model"] = interface.get("type") + + if interface.get("ip-address"): + net_item["ip_address"] = interface["ip-address"] + + if interface.get("mac-address"): + net_item["mac_address"] = interface["mac-address"] + + net_list.append(net_item) + + if interface.get("mgmt-vnf"): + extra_dict["mgmt_vnf_interface"] = iface_index + elif interface.get("mgmt-interface"): + extra_dict["mgmt_vdu_interface"] = iface_index + + # cloud config + cloud_config = {} + + if existing_vdu.get("cloud-init"): + if existing_vdu["cloud-init"] not in vdu2cloud_init: + vdu2cloud_init[existing_vdu["cloud-init"]] = Ns._get_cloud_init( + db=db, + fs=fs, + location=existing_vdu["cloud-init"], + ) + + cloud_content_ = vdu2cloud_init[existing_vdu["cloud-init"]] + cloud_config["user-data"] = Ns._parse_jinja2( + cloud_init_content=cloud_content_, + params=existing_vdu.get("additionalParams"), + context=existing_vdu["cloud-init"], + ) + + if existing_vdu.get("boot-data-drive"): + cloud_config["boot-data-drive"] = existing_vdu.get("boot-data-drive") + + ssh_keys = [] + + if existing_vdu.get("ssh-keys"): + ssh_keys += existing_vdu.get("ssh-keys") + + if existing_vdu.get("ssh-access-required"): + ssh_keys.append(ro_nsr_public_key) + + if ssh_keys: + cloud_config["key-pairs"] = ssh_keys + + disk_list = [] + for vol_id in vim_details.get("os-extended-volumes:volumes_attached", []): + disk_list.append({"vim_id": vol_id["id"]}) + + affinity_group_list = [] + + if existing_vdu.get("affinity-or-anti-affinity-group-id"): + affinity_group = {} + for affinity_group_id in existing_vdu["affinity-or-anti-affinity-group-id"]: + for group in db_nsr.get("affinity-or-anti-affinity-group"): + if ( + group["id"] == affinity_group_id + and group["vim_info"][target_id].get("vim_id", None) is not None ): - net_item["use"] = "mgmt" - else: - # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"): - net_item["use"] = "bridge" - net_item["model"] = interface.get("type") + affinity_group["affinity_group_id"] = group["vim_info"][ + target_id + ].get("vim_id", None) + affinity_group_list.append(affinity_group) + + extra_dict["params"] = { + "name": "{}-{}-{}-{}".format( + db_nsr["name"][:16], + vnfr["member-vnf-index-ref"][:16], + existing_vdu["vdu-name"][:32], + existing_vdu.get("count-index") or 0, + ), + "description": existing_vdu["vdu-name"], + "start": True, + "image_id": vim_details["image"]["id"], + "flavor_id": vim_details["flavor"]["id"], + "affinity_group_list": affinity_group_list, + "net_list": net_list, + "cloud_config": cloud_config or None, + "disk_list": disk_list, + "availability_zone_index": None, # TODO + "availability_zone_list": None, # TODO + } - if interface.get("ip-address"): - net_item["ip_address"] = interface["ip-address"] + return extra_dict - if interface.get("mac-address"): - net_item["mac_address"] = interface["mac-address"] + def calculate_diff_items( + self, + indata, + db_nsr, + db_ro_nsr, + db_nsr_update, + item, + tasks_by_target_record_id, + action_id, + nsr_id, + task_index, + vnfr_id=None, + vnfr=None, + ): + """Function that returns the incremental changes (creation, deletion) + related to a specific item `item` to be done. This function should be + called for NS instantiation, NS termination, NS update to add a new VNF + or a new VLD, remove a VNF or VLD, etc. + Item can be `net`, `flavor`, `image` or `vdu`. + It takes a list of target items from indata (which came from the REST API) + and compares with the existing items from db_ro_nsr, identifying the + incremental changes to be done. During the comparison, it calls the method + `process_params` (which was passed as parameter, and is particular for each + `item`) - net_list.append(net_item) + Args: + indata (Dict[str, Any]): deployment info + db_nsr: NSR record from DB + db_ro_nsr (Dict[str, Any]): record from "ro_nsrs" + db_nsr_update (Dict[str, Any]): NSR info to update in DB + item (str): element to process (net, vdu...) + tasks_by_target_record_id (Dict[str, Any]): + [, ] + action_id (str): action id + nsr_id (str): NSR id + task_index (number): task index to add to task name + vnfr_id (str): VNFR id + vnfr (Dict[str, Any]): VNFR info - if interface.get("mgmt-vnf"): - extra_dict["mgmt_vnf_interface"] = iface_index - elif interface.get("mgmt-interface"): - extra_dict["mgmt_vdu_interface"] = iface_index + Returns: + List: list with the incremental changes (deletes, creates) for each item + number: current task index + """ - # cloud config - cloud_config = {} + diff_items = [] + db_path = "" + db_record = "" + target_list = [] + existing_list = [] + process_params = None + vdu2cloud_init = indata.get("cloud_init_content") or {} + ro_nsr_public_key = db_ro_nsr["public_key"] + + # According to the type of item, the path, the target_list, + # the existing_list and the method to process params are set + db_path = self.db_path_map[item] + process_params = self.process_params_function_map[item] + if item in ("net", "vdu"): + # This case is specific for the NS VLD (not applied to VDU) + if vnfr is None: + db_record = "nsrs:{}:{}".format(nsr_id, db_path) + target_list = indata.get("ns", []).get(db_path, []) + existing_list = db_nsr.get(db_path, []) + # This case is common for VNF VLDs and VNF VDUs + else: + db_record = "vnfrs:{}:{}".format(vnfr_id, db_path) + target_vnf = next( + (vnf for vnf in indata.get("vnf", ()) if vnf["_id"] == vnfr_id), + None, + ) + target_list = target_vnf.get(db_path, []) if target_vnf else [] + existing_list = vnfr.get(db_path, []) + elif item in ("image", "flavor", "affinity-or-anti-affinity-group"): + db_record = "nsrs:{}:{}".format(nsr_id, db_path) + target_list = indata.get(item, []) + existing_list = db_nsr.get(item, []) + else: + raise NsException("Item not supported: {}", item) + + # ensure all the target_list elements has an "id". If not assign the index as id + if target_list is None: + target_list = [] + for target_index, tl in enumerate(target_list): + if tl and not tl.get("id"): + tl["id"] = str(target_index) + + # step 1 items (networks,vdus,...) to be deleted/updated + for item_index, existing_item in enumerate(existing_list): + target_item = next( + (t for t in target_list if t["id"] == existing_item["id"]), + None, + ) - if target_vdu.get("cloud-init"): - if target_vdu["cloud-init"] not in vdu2cloud_init: - vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init( - target_vdu["cloud-init"] - ) + for target_vim, existing_viminfo in existing_item.get( + "vim_info", {} + ).items(): + if existing_viminfo is None: + continue - cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]] - cloud_config["user-data"] = self._parse_jinja2( - cloud_content_, - target_vdu.get("additionalParams"), - target_vdu["cloud-init"], + if target_item: + target_viminfo = target_item.get("vim_info", {}).get(target_vim) + else: + target_viminfo = None + + if target_viminfo is None: + # must be deleted + self._assign_vim(target_vim) + target_record_id = "{}.{}".format(db_record, existing_item["id"]) + item_ = item + + if target_vim.startswith("sdn"): + # item must be sdn-net instead of net if target_vim is a sdn + item_ = "sdn_net" + target_record_id += ".sdn" + + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, + } + + diff_items.append( + { + "deployment_info": deployment_info, + "target_id": target_vim, + "item": item_, + "action": "DELETE", + "target_record": f"{db_record}.{item_index}.vim_info.{target_vim}", + "target_record_id": target_record_id, + } ) + task_index += 1 - if target_vdu.get("boot-data-drive"): - cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive") + # step 2 items (networks,vdus,...) to be created + for target_item in target_list: + item_index = -1 - ssh_keys = [] + for item_index, existing_item in enumerate(existing_list): + if existing_item["id"] == target_item["id"]: + break + else: + item_index += 1 + db_nsr_update[db_path + ".{}".format(item_index)] = target_item + existing_list.append(target_item) + existing_item = None - if target_vdu.get("ssh-keys"): - ssh_keys += target_vdu.get("ssh-keys") + for target_vim, target_viminfo in target_item.get("vim_info", {}).items(): + existing_viminfo = None - if target_vdu.get("ssh-access-required"): - ssh_keys.append(ro_nsr_public_key) + if existing_item: + existing_viminfo = existing_item.get("vim_info", {}).get(target_vim) - if ssh_keys: - cloud_config["key-pairs"] = ssh_keys + if existing_viminfo is not None: + continue - disk_list = None - if target_vdu.get("virtual-storages"): - disk_list = [ - {"size": disk["size-of-storage"]} - for disk in target_vdu["virtual-storages"] - if disk.get("type-of-storage") - == "persistent-storage:persistent-storage" - ] + target_record_id = "{}.{}".format(db_record, target_item["id"]) + item_ = item - extra_dict["params"] = { - "name": "{}-{}-{}-{}".format( - indata["name"][:16], - vnfr["member-vnf-index-ref"][:16], - target_vdu["vdu-name"][:32], - target_vdu.get("count-index") or 0, - ), - "description": target_vdu["vdu-name"], - "start": True, - "image_id": "TASK-" + image_text, - "flavor_id": "TASK-" + flavor_text, - "net_list": net_list, - "cloud_config": cloud_config or None, - "disk_list": disk_list, - "availability_zone_index": None, # TODO - "availability_zone_list": None, # TODO + if target_vim.startswith("sdn"): + # item must be sdn-net instead of net if target_vim is a sdn + item_ = "sdn_net" + target_record_id += ".sdn" + + kwargs = {} + self.logger.warning( + "ns.calculate_diff_items target_item={}".format(target_item) + ) + if process_params == Ns._process_vdu_params: + self.logger.warning( + "calculate_diff_items self.fs={}".format(self.fs) + ) + kwargs.update( + { + "vnfr_id": vnfr_id, + "nsr_id": nsr_id, + "vnfr": vnfr, + "vdu2cloud_init": vdu2cloud_init, + "tasks_by_target_record_id": tasks_by_target_record_id, + "logger": self.logger, + "db": self.db, + "fs": self.fs, + "ro_nsr_public_key": ro_nsr_public_key, + } + ) + self.logger.warning("calculate_diff_items kwargs={}".format(kwargs)) + + extra_dict = process_params( + target_item, + indata, + target_viminfo, + target_record_id, + **kwargs, + ) + self._assign_vim(target_vim) + + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, } - return extra_dict + new_item = { + "deployment_info": deployment_info, + "target_id": target_vim, + "item": item_, + "action": "CREATE", + "target_record": f"{db_record}.{item_index}.vim_info.{target_vim}", + "target_record_id": target_record_id, + "extra_dict": extra_dict, + "common_id": target_item.get("common_id", None), + } + diff_items.append(new_item) + tasks_by_target_record_id[target_record_id] = new_item + task_index += 1 + + db_nsr_update[db_path + ".{}".format(item_index)] = target_item + + return diff_items, task_index + + def calculate_all_differences_to_deploy( + self, + indata, + nsr_id, + db_nsr, + db_vnfrs, + db_ro_nsr, + db_nsr_update, + db_vnfrs_update, + action_id, + tasks_by_target_record_id, + ): + """This method calculates the ordered list of items (`changes_list`) + to be created and deleted. + + Args: + indata (Dict[str, Any]): deployment info + nsr_id (str): NSR id + db_nsr: NSR record from DB + db_vnfrs: VNFRS record from DB + db_ro_nsr (Dict[str, Any]): record from "ro_nsrs" + db_nsr_update (Dict[str, Any]): NSR info to update in DB + db_vnfrs_update (Dict[str, Any]): VNFRS info to update in DB + action_id (str): action id + tasks_by_target_record_id (Dict[str, Any]): + [, ] + + Returns: + List: ordered list of items to be created and deleted. + """ + + task_index = 0 + # set list with diffs: + changes_list = [] + + # NS vld, image and flavor + for item in ["net", "image", "flavor", "affinity-or-anti-affinity-group"]: + self.logger.debug("process NS={} {}".format(nsr_id, item)) + diff_items, task_index = self.calculate_diff_items( + indata=indata, + db_nsr=db_nsr, + db_ro_nsr=db_ro_nsr, + db_nsr_update=db_nsr_update, + item=item, + tasks_by_target_record_id=tasks_by_target_record_id, + action_id=action_id, + nsr_id=nsr_id, + task_index=task_index, + vnfr_id=None, + ) + changes_list += diff_items + + # VNF vlds and vdus + for vnfr_id, vnfr in db_vnfrs.items(): + # vnfr_id need to be set as global variable for among others nested method _process_vdu_params + for item in ["net", "vdu"]: + self.logger.debug("process VNF={} {}".format(vnfr_id, item)) + diff_items, task_index = self.calculate_diff_items( + indata=indata, + db_nsr=db_nsr, + db_ro_nsr=db_ro_nsr, + db_nsr_update=db_vnfrs_update[vnfr["_id"]], + item=item, + tasks_by_target_record_id=tasks_by_target_record_id, + action_id=action_id, + nsr_id=nsr_id, + task_index=task_index, + vnfr_id=vnfr_id, + vnfr=vnfr, + ) + changes_list += diff_items + + return changes_list + + def define_all_tasks( + self, + changes_list, + db_new_tasks, + tasks_by_target_record_id, + ): + """Function to create all the task structures obtanied from + the method calculate_all_differences_to_deploy + + Args: + changes_list (List): ordered list of items to be created or deleted + db_new_tasks (List): tasks list to be created + action_id (str): action id + tasks_by_target_record_id (Dict[str, Any]): + [, ] + + """ + + for change in changes_list: + task = Ns._create_task( + deployment_info=change["deployment_info"], + target_id=change["target_id"], + item=change["item"], + action=change["action"], + target_record=change["target_record"], + target_record_id=change["target_record_id"], + extra_dict=change.get("extra_dict", None), + ) + + self.logger.warning("ns.define_all_tasks task={}".format(task)) + tasks_by_target_record_id[change["target_record_id"]] = task + db_new_tasks.append(task) + + if change.get("common_id"): + task["common_id"] = change["common_id"] - def _process_items( - target_list, - existing_list, - db_record, - db_update, - db_path, - item, - process_params, + def upload_all_tasks( + self, + db_new_tasks, + now, + ): + """Function to save all tasks in the common DB + + Args: + db_new_tasks (List): tasks list to be created + now (time): current time + + """ + + nb_ro_tasks = 0 # for logging + + for db_task in db_new_tasks: + target_id = db_task.pop("target_id") + common_id = db_task.get("common_id") + + # Do not chek tasks with vim_status DELETED + # because in manual heealing there are two tasks for the same vdur: + # one with vim_status deleted and the other one with the actual VM status. + + if common_id: + if self.db.set_one( + "ro_tasks", + q_filter={ + "target_id": target_id, + "tasks.common_id": common_id, + "vim_info.vim_status.ne": "DELETED", + }, + update_dict={"to_check_at": now, "modified_at": now}, + push={"tasks": db_task}, + fail_on_empty=False, + ): + continue + + if not self.db.set_one( + "ro_tasks", + q_filter={ + "target_id": target_id, + "tasks.target_record": db_task["target_record"], + "vim_info.vim_status.ne": "DELETED", + }, + update_dict={"to_check_at": now, "modified_at": now}, + push={"tasks": db_task}, + fail_on_empty=False, ): - nonlocal db_new_tasks - nonlocal tasks_by_target_record_id - nonlocal action_id - nonlocal nsr_id - nonlocal task_index - nonlocal indata + # Create a ro_task + self.logger.debug("Updating database, Creating ro_tasks") + db_ro_task = Ns._create_ro_task(target_id, db_task) + nb_ro_tasks += 1 + self.db.create("ro_tasks", db_ro_task) + + self.logger.debug( + "Created {} ro_tasks; {} tasks - db_new_tasks={}".format( + nb_ro_tasks, len(db_new_tasks), db_new_tasks + ) + ) - # ensure all the target_list elements has an "id". If not assign the index as id - for target_index, tl in enumerate(target_list): - if tl and not tl.get("id"): - tl["id"] = str(target_index) + def upload_recreate_tasks( + self, + db_new_tasks, + now, + ): + """Function to save recreate tasks in the common DB - # step 1 items (networks,vdus,...) to be deleted/updated - for item_index, existing_item in enumerate(existing_list): - target_item = next( - (t for t in target_list if t["id"] == existing_item["id"]), None - ) + Args: + db_new_tasks (List): tasks list to be created + now (time): current time - for target_vim, existing_viminfo in existing_item.get( - "vim_info", {} - ).items(): - if existing_viminfo is None: - continue + """ - if target_item: - target_viminfo = target_item.get("vim_info", {}).get( - target_vim - ) - else: - target_viminfo = None + nb_ro_tasks = 0 # for logging - if target_viminfo is None: - # must be deleted - self._assign_vim(target_vim) - target_record_id = "{}.{}".format( - db_record, existing_item["id"] - ) - item_ = item + for db_task in db_new_tasks: + target_id = db_task.pop("target_id") + self.logger.warning("target_id={} db_task={}".format(target_id, db_task)) - if target_vim.startswith("sdn"): - # item must be sdn-net instead of net if target_vim is a sdn - item_ = "sdn_net" - target_record_id += ".sdn" + action = db_task.get("action", None) - deployment_info = { - "action_id": action_id, - "nsr_id": nsr_id, - "task_index": task_index, - } + # Create a ro_task + self.logger.debug("Updating database, Creating ro_tasks") + db_ro_task = Ns._create_ro_task(target_id, db_task) - task = Ns._create_task( - deployment_info=deployment_info, - target_id=target_vim, - item=item_, - action="DELETE", - target_record=f"{db_record}.{item_index}.vim_info.{target_vim}", - target_record_id=target_record_id, - ) + # If DELETE task: the associated created items should be removed + # (except persistent volumes): + if action == "DELETE": + db_ro_task["vim_info"]["created"] = True + db_ro_task["vim_info"]["created_items"] = db_task.get( + "created_items", {} + ) + db_ro_task["vim_info"]["volumes_to_hold"] = db_task.get( + "volumes_to_hold", [] + ) + db_ro_task["vim_info"]["vim_id"] = db_task.get("vim_id", None) - task_index = deployment_info.get("task_index") + nb_ro_tasks += 1 + self.logger.warning("upload_all_tasks db_ro_task={}".format(db_ro_task)) + self.db.create("ro_tasks", db_ro_task) - tasks_by_target_record_id[target_record_id] = task - db_new_tasks.append(task) - # TODO delete - # TODO check one by one the vims to be created/deleted + self.logger.debug( + "Created {} ro_tasks; {} tasks - db_new_tasks={}".format( + nb_ro_tasks, len(db_new_tasks), db_new_tasks + ) + ) + + def _prepare_created_items_for_healing( + self, + nsr_id, + target_record, + ): + created_items = {} + # Get created_items from ro_task + ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id}) + for ro_task in ro_tasks: + for task in ro_task["tasks"]: + if ( + task["target_record"] == target_record + and task["action"] == "CREATE" + and ro_task["vim_info"]["created_items"] + ): + created_items = ro_task["vim_info"]["created_items"] + break + + return created_items + + def _prepare_persistent_volumes_for_healing( + self, + target_id, + existing_vdu, + ): + # The associated volumes of the VM shouldn't be removed + volumes_list = [] + vim_details = {} + vim_details_text = existing_vdu["vim_info"][target_id].get("vim_details", None) + if vim_details_text: + vim_details = yaml.safe_load(f"{vim_details_text}") + + for vol_id in vim_details.get("os-extended-volumes:volumes_attached", []): + volumes_list.append(vol_id["id"]) + + return volumes_list + + def prepare_changes_to_recreate( + self, + indata, + nsr_id, + db_nsr, + db_vnfrs, + db_ro_nsr, + action_id, + tasks_by_target_record_id, + ): + """This method will obtain an ordered list of items (`changes_list`) + to be created and deleted to meet the recreate request. + """ - # step 2 items (networks,vdus,...) to be created - for target_item in target_list: - item_index = -1 + self.logger.debug( + "ns.prepare_changes_to_recreate nsr_id={} indata={}".format(nsr_id, indata) + ) - for item_index, existing_item in enumerate(existing_list): - if existing_item["id"] == target_item["id"]: - break + task_index = 0 + # set list with diffs: + changes_list = [] + db_path = self.db_path_map["vdu"] + target_list = indata.get("healVnfData", {}) + vdu2cloud_init = indata.get("cloud_init_content") or {} + ro_nsr_public_key = db_ro_nsr["public_key"] + + # Check each VNF of the target + for target_vnf in target_list: + # Find this VNF in the list from DB + vnfr_id = target_vnf.get("vnfInstanceId", None) + if vnfr_id: + existing_vnf = db_vnfrs.get(vnfr_id) + db_record = "vnfrs:{}:{}".format(vnfr_id, db_path) + # vim_account_id = existing_vnf.get("vim-account-id", "") + + # Check each VDU of this VNF + for target_vdu in target_vnf["additionalParams"].get("vdu", None): + vdu_name = target_vdu.get("vdu-id", None) + # For multi instance VDU count-index is mandatory + # For single session VDU count-indes is 0 + count_index = target_vdu.get("count-index", 0) + item_index = 0 + existing_instance = None + for instance in existing_vnf.get("vdur", None): + if ( + instance["vdu-name"] == vdu_name + and instance["count-index"] == count_index + ): + existing_instance = instance + break else: item_index += 1 - db_update[db_path + ".{}".format(item_index)] = target_item - existing_list.append(target_item) - existing_item = None - - for target_vim, target_viminfo in target_item.get( - "vim_info", {} - ).items(): - existing_viminfo = None - - if existing_item: - existing_viminfo = existing_item.get("vim_info", {}).get( - target_vim - ) - # TODO check if different. Delete and create??? - # TODO delete if not exist - if existing_viminfo is not None: - continue + target_record_id = "{}.{}".format(db_record, existing_instance["id"]) + + # The target VIM is the one already existing in DB to recreate + for target_vim, target_viminfo in existing_instance.get( + "vim_info", {} + ).items(): + # step 1 vdu to be deleted + self._assign_vim(target_vim) + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, + } - target_record_id = "{}.{}".format(db_record, target_item["id"]) - item_ = item + target_record = f"{db_record}.{item_index}.vim_info.{target_vim}" + created_items = self._prepare_created_items_for_healing( + nsr_id, target_record + ) - if target_vim.startswith("sdn"): - # item must be sdn-net instead of net if target_vim is a sdn - item_ = "sdn_net" - target_record_id += ".sdn" + volumes_to_hold = self._prepare_persistent_volumes_for_healing( + target_vim, existing_instance + ) - extra_dict = process_params( - target_item, indata, target_viminfo, target_record_id - ) - self._assign_vim(target_vim) + # Specific extra params for recreate tasks: + extra_dict = { + "created_items": created_items, + "vim_id": existing_instance["vim-id"], + "volumes_to_hold": volumes_to_hold, + } - deployment_info = { - "action_id": action_id, + changes_list.append( + { + "deployment_info": deployment_info, + "target_id": target_vim, + "item": "vdu", + "action": "DELETE", + "target_record": target_record, + "target_record_id": target_record_id, + "extra_dict": extra_dict, + } + ) + delete_task_id = f"{action_id}:{task_index}" + task_index += 1 + + # step 2 vdu to be created + kwargs = {} + kwargs.update( + { + "vnfr_id": vnfr_id, "nsr_id": nsr_id, - "task_index": task_index, + "vnfr": existing_vnf, + "vdu2cloud_init": vdu2cloud_init, + "tasks_by_target_record_id": tasks_by_target_record_id, + "logger": self.logger, + "db": self.db, + "fs": self.fs, + "ro_nsr_public_key": ro_nsr_public_key, } + ) - task = Ns._create_task( - deployment_info=deployment_info, - target_id=target_vim, - item=item_, - action="CREATE", - target_record=f"{db_record}.{item_index}.vim_info.{target_vim}", - target_record_id=target_record_id, - extra_dict=extra_dict, - ) + extra_dict = self._process_recreate_vdu_params( + existing_instance, + db_nsr, + target_viminfo, + target_record_id, + target_vim, + **kwargs, + ) - task_index = deployment_info.get("task_index") + # The CREATE task depens on the DELETE task + extra_dict["depends_on"] = [delete_task_id] + + # Add volumes created from created_items if any + # Ports should be deleted with delete task and automatically created with create task + volumes = {} + for k, v in created_items.items(): + try: + k_item, _, k_id = k.partition(":") + if k_item == "volume": + volumes[k] = v + except Exception as e: + self.logger.error( + "Error evaluating created item {}: {}".format(k, e) + ) + extra_dict["previous_created_volumes"] = volumes - tasks_by_target_record_id[target_record_id] = task - db_new_tasks.append(task) + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, + } + self._assign_vim(target_vim) + + new_item = { + "deployment_info": deployment_info, + "target_id": target_vim, + "item": "vdu", + "action": "CREATE", + "target_record": target_record, + "target_record_id": target_record_id, + "extra_dict": extra_dict, + } + changes_list.append(new_item) + tasks_by_target_record_id[target_record_id] = new_item + task_index += 1 + + return changes_list + + def recreate(self, session, indata, version, nsr_id, *args, **kwargs): + self.logger.debug("ns.recreate nsr_id={} indata={}".format(nsr_id, indata)) + # TODO: validate_input(indata, recreate_schema) + action_id = indata.get("action_id", str(uuid4())) + # get current deployment + db_vnfrs = {} # vnf's info indexed by _id + step = "" + logging_text = "Recreate nsr_id={} action_id={} indata={}".format( + nsr_id, action_id, indata + ) + self.logger.debug(logging_text + "Enter") + + try: + step = "Getting ns and vnfr record from db" + db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) + db_new_tasks = [] + tasks_by_target_record_id = {} + # read from db: vnf's of this ns + step = "Getting vnfrs from db" + db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) + self.logger.debug("ns.recreate: db_vnfrs_list={}".format(db_vnfrs_list)) + + if not db_vnfrs_list: + raise NsException("Cannot obtain associated VNF for ns") + + for vnfr in db_vnfrs_list: + db_vnfrs[vnfr["_id"]] = vnfr + + now = time() + db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False) + self.logger.debug("ns.recreate: db_ro_nsr={}".format(db_ro_nsr)) + + if not db_ro_nsr: + db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now) + + with self.write_lock: + # NS + step = "process NS elements" + changes_list = self.prepare_changes_to_recreate( + indata=indata, + nsr_id=nsr_id, + db_nsr=db_nsr, + db_vnfrs=db_vnfrs, + db_ro_nsr=db_ro_nsr, + action_id=action_id, + tasks_by_target_record_id=tasks_by_target_record_id, + ) + + self.define_all_tasks( + changes_list=changes_list, + db_new_tasks=db_new_tasks, + tasks_by_target_record_id=tasks_by_target_record_id, + ) + + # Delete all ro_tasks registered for the targets vdurs (target_record) + # If task of type CREATE exist then vim will try to get info form deleted VMs. + # So remove all task related to target record. + ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id}) + for change in changes_list: + for ro_task in ro_tasks: + for task in ro_task["tasks"]: + if task["target_record"] == change["target_record"]: + self.db.del_one( + "ro_tasks", + q_filter={ + "_id": ro_task["_id"], + "modified_at": ro_task["modified_at"], + }, + fail_on_empty=False, + ) + + step = "Updating database, Appending tasks to ro_tasks" + self.upload_recreate_tasks( + db_new_tasks=db_new_tasks, + now=now, + ) + + self.logger.debug( + logging_text + "Exit. Created {} tasks".format(len(db_new_tasks)) + ) + + return ( + {"status": "ok", "nsr_id": nsr_id, "action_id": action_id}, + action_id, + True, + ) + except Exception as e: + if isinstance(e, (DbException, NsException)): + self.logger.error( + logging_text + "Exit Exception while '{}': {}".format(step, e) + ) + else: + e = traceback_format_exc() + self.logger.critical( + logging_text + "Exit Exception while '{}': {}".format(step, e), + exc_info=True, + ) + + raise NsException(e) + + def deploy(self, session, indata, version, nsr_id, *args, **kwargs): + self.logger.debug("ns.deploy nsr_id={} indata={}".format(nsr_id, indata)) + validate_input(indata, deploy_schema) + action_id = indata.get("action_id", str(uuid4())) + task_index = 0 + # get current deployment + db_nsr_update = {} # update operation on nsrs + db_vnfrs_update = {} + db_vnfrs = {} # vnf's info indexed by _id + step = "" + logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id) + self.logger.debug(logging_text + "Enter") + + try: + step = "Getting ns and vnfr record from db" + db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) + self.logger.debug("ns.deploy: db_nsr={}".format(db_nsr)) + db_new_tasks = [] + tasks_by_target_record_id = {} + # read from db: vnf's of this ns + step = "Getting vnfrs from db" + db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) - if target_item.get("common_id"): - task["common_id"] = target_item["common_id"] + if not db_vnfrs_list: + raise NsException("Cannot obtain associated VNF for ns") - db_update[db_path + ".{}".format(item_index)] = target_item + for vnfr in db_vnfrs_list: + db_vnfrs[vnfr["_id"]] = vnfr + db_vnfrs_update[vnfr["_id"]] = {} + self.logger.debug("ns.deploy db_vnfrs={}".format(db_vnfrs)) + + now = time() + db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False) + + if not db_ro_nsr: + db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now) + + # check that action_id is not in the list of actions. Suffixed with :index + if action_id in db_ro_nsr["actions"]: + index = 1 + + while True: + new_action_id = "{}:{}".format(action_id, index) + + if new_action_id not in db_ro_nsr["actions"]: + action_id = new_action_id + self.logger.debug( + logging_text + + "Changing action_id in use to {}".format(action_id) + ) + break + + index += 1 def _process_action(indata): nonlocal db_new_tasks @@ -1303,108 +2251,30 @@ class Ns(object): _process_action(indata) else: # compute network differences - # NS.vld - step = "process NS VLDs" - _process_items( - target_list=indata["ns"]["vld"] or [], - existing_list=db_nsr.get("vld") or [], - db_record="nsrs:{}:vld".format(nsr_id), - db_update=db_nsr_update, - db_path="vld", - item="net", - process_params=Ns._process_net_params, - ) - - step = "process NS images" - _process_items( - target_list=indata.get("image") or [], - existing_list=db_nsr.get("image") or [], - db_record="nsrs:{}:image".format(nsr_id), - db_update=db_nsr_update, - db_path="image", - item="image", - process_params=Ns._process_image_params, + # NS + step = "process NS elements" + changes_list = self.calculate_all_differences_to_deploy( + indata=indata, + nsr_id=nsr_id, + db_nsr=db_nsr, + db_vnfrs=db_vnfrs, + db_ro_nsr=db_ro_nsr, + db_nsr_update=db_nsr_update, + db_vnfrs_update=db_vnfrs_update, + action_id=action_id, + tasks_by_target_record_id=tasks_by_target_record_id, ) - - step = "process NS flavors" - _process_items( - target_list=indata.get("flavor") or [], - existing_list=db_nsr.get("flavor") or [], - db_record="nsrs:{}:flavor".format(nsr_id), - db_update=db_nsr_update, - db_path="flavor", - item="flavor", - process_params=Ns._process_flavor_params, + self.define_all_tasks( + changes_list=changes_list, + db_new_tasks=db_new_tasks, + tasks_by_target_record_id=tasks_by_target_record_id, ) - # VNF.vld - for vnfr_id, vnfr in db_vnfrs.items(): - # vnfr_id need to be set as global variable for among others nested method _process_vdu_params - step = "process VNF={} VLDs".format(vnfr_id) - target_vnf = next( - ( - vnf - for vnf in indata.get("vnf", ()) - if vnf["_id"] == vnfr_id - ), - None, - ) - target_list = target_vnf.get("vld") if target_vnf else None - _process_items( - target_list=target_list or [], - existing_list=vnfr.get("vld") or [], - db_record="vnfrs:{}:vld".format(vnfr_id), - db_update=db_vnfrs_update[vnfr["_id"]], - db_path="vld", - item="net", - process_params=Ns._process_net_params, - ) - - target_list = target_vnf.get("vdur") if target_vnf else None - step = "process VNF={} VDUs".format(vnfr_id) - _process_items( - target_list=target_list or [], - existing_list=vnfr.get("vdur") or [], - db_record="vnfrs:{}:vdur".format(vnfr_id), - db_update=db_vnfrs_update[vnfr["_id"]], - db_path="vdur", - item="vdu", - process_params=_process_vdu_params, - ) - - for db_task in db_new_tasks: - step = "Updating database, Appending tasks to ro_tasks" - target_id = db_task.pop("target_id") - common_id = db_task.get("common_id") - - if common_id: - if self.db.set_one( - "ro_tasks", - q_filter={ - "target_id": target_id, - "tasks.common_id": common_id, - }, - update_dict={"to_check_at": now, "modified_at": now}, - push={"tasks": db_task}, - fail_on_empty=False, - ): - continue - - if not self.db.set_one( - "ro_tasks", - q_filter={ - "target_id": target_id, - "tasks.target_record": db_task["target_record"], - }, - update_dict={"to_check_at": now, "modified_at": now}, - push={"tasks": db_task}, - fail_on_empty=False, - ): - # Create a ro_task - step = "Updating database, Creating ro_tasks" - db_ro_task = Ns._create_ro_task(target_id, db_task) - nb_ro_tasks += 1 - self.db.create("ro_tasks", db_ro_task) + step = "Updating database, Appending tasks to ro_tasks" + self.upload_all_tasks( + db_new_tasks=db_new_tasks, + now=now, + ) step = "Updating database, nsrs" if db_nsr_update: @@ -1416,10 +2286,7 @@ class Ns(object): self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update) self.logger.debug( - logging_text - + "Exit. Created {} ro_tasks; {} tasks".format( - nb_ro_tasks, len(db_new_tasks) - ) + logging_text + "Exit. Created {} tasks".format(len(db_new_tasks)) ) return ( @@ -1454,8 +2321,11 @@ class Ns(object): return None, None, True def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs): - # self.logger.debug("ns.status version={} nsr_id={}, action_id={} indata={}" - # .format(version, nsr_id, action_id, indata)) + self.logger.debug( + "ns.status version={} nsr_id={}, action_id={} indata={}".format( + version, nsr_id, action_id, indata + ) + ) task_list = [] done = 0 total = 0 @@ -1474,7 +2344,7 @@ class Ns(object): error_text = "Error at {} {}: {}".format( task["action"].lower(), task["item"], - ro_task["vim_info"].get("vim_details") or "unknown", + ro_task["vim_info"].get("vim_message") or "unknown", ) details.append(error_text) elif task["status"] in ("SCHEDULED", "BUILD"): @@ -1495,6 +2365,11 @@ class Ns(object): return return_data, None, True + def recreate_status( + self, session, indata, version, nsr_id, action_id, *args, **kwargs + ): + return self.status(session, indata, version, nsr_id, action_id, *args, **kwargs) + def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs): print( "ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format( @@ -1504,6 +2379,99 @@ class Ns(object): return None, None, True + def rebuild_start_stop_task( + self, + vdu_id, + vnf_id, + vdu_index, + action_id, + nsr_id, + task_index, + target_vim, + extra_dict, + ): + self._assign_vim(target_vim) + target_record = "vnfrs:{}:vdur.{}".format(vnf_id, vdu_index) + target_record_id = "vnfrs:{}:vdur.{}".format(vnf_id, vdu_id) + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, + } + + task = Ns._create_task( + deployment_info=deployment_info, + target_id=target_vim, + item="update", + action="EXEC", + target_record=target_record, + target_record_id=target_record_id, + extra_dict=extra_dict, + ) + return task + + def rebuild_start_stop( + self, session, action_dict, version, nsr_id, *args, **kwargs + ): + task_index = 0 + extra_dict = {} + now = time() + action_id = action_dict.get("action_id", str(uuid4())) + step = "" + logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id) + self.logger.debug(logging_text + "Enter") + + action = list(action_dict.keys())[0] + task_dict = action_dict.get(action) + vim_vm_id = action_dict.get(action).get("vim_vm_id") + + if action_dict.get("stop"): + action = "shutoff" + db_new_tasks = [] + try: + step = "lock the operation & do task creation" + with self.write_lock: + extra_dict["params"] = { + "vim_vm_id": vim_vm_id, + "action": action, + } + task = self.rebuild_start_stop_task( + task_dict["vdu_id"], + task_dict["vnf_id"], + task_dict["vdu_index"], + action_id, + nsr_id, + task_index, + task_dict["target_vim"], + extra_dict, + ) + db_new_tasks.append(task) + step = "upload Task to db" + self.upload_all_tasks( + db_new_tasks=db_new_tasks, + now=now, + ) + self.logger.debug( + logging_text + "Exit. Created {} tasks".format(len(db_new_tasks)) + ) + return ( + {"status": "ok", "nsr_id": nsr_id, "action_id": action_id}, + action_id, + True, + ) + except Exception as e: + if isinstance(e, (DbException, NsException)): + self.logger.error( + logging_text + "Exit Exception while '{}': {}".format(step, e) + ) + else: + e = traceback_format_exc() + self.logger.critical( + logging_text + "Exit Exception while '{}': {}".format(step, e), + exc_info=True, + ) + raise NsException(e) + def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs): nsrs = self.db.get_list("nsrs", {}) return_data = [] @@ -1523,3 +2491,118 @@ class Ns(object): return_data.append(task["action_id"]) return return_data, None, True + + def migrate_task( + self, vdu, vnf, vdu_index, action_id, nsr_id, task_index, extra_dict + ): + target_vim, vim_info = next(k_v for k_v in vdu["vim_info"].items()) + self._assign_vim(target_vim) + target_record = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu_index) + target_record_id = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu["id"]) + deployment_info = { + "action_id": action_id, + "nsr_id": nsr_id, + "task_index": task_index, + } + + task = Ns._create_task( + deployment_info=deployment_info, + target_id=target_vim, + item="migrate", + action="EXEC", + target_record=target_record, + target_record_id=target_record_id, + extra_dict=extra_dict, + ) + + return task + + def migrate(self, session, indata, version, nsr_id, *args, **kwargs): + task_index = 0 + extra_dict = {} + now = time() + action_id = indata.get("action_id", str(uuid4())) + step = "" + logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id) + self.logger.debug(logging_text + "Enter") + try: + vnf_instance_id = indata["vnfInstanceId"] + step = "Getting vnfrs from db" + db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_instance_id}) + vdu = indata.get("vdu") + migrateToHost = indata.get("migrateToHost") + db_new_tasks = [] + + with self.write_lock: + if vdu is not None: + vdu_id = indata["vdu"]["vduId"] + vdu_count_index = indata["vdu"].get("vduCountIndex", 0) + for vdu_index, vdu in enumerate(db_vnfr["vdur"]): + if ( + vdu["vdu-id-ref"] == vdu_id + and vdu["count-index"] == vdu_count_index + ): + extra_dict["params"] = { + "vim_vm_id": vdu["vim-id"], + "migrate_host": migrateToHost, + "vdu_vim_info": vdu["vim_info"], + } + step = "Creating migration task for vdu:{}".format(vdu) + task = self.migrate_task( + vdu, + db_vnfr, + vdu_index, + action_id, + nsr_id, + task_index, + extra_dict, + ) + db_new_tasks.append(task) + task_index += 1 + break + else: + + for vdu_index, vdu in enumerate(db_vnfr["vdur"]): + extra_dict["params"] = { + "vim_vm_id": vdu["vim-id"], + "migrate_host": migrateToHost, + "vdu_vim_info": vdu["vim_info"], + } + step = "Creating migration task for vdu:{}".format(vdu) + task = self.migrate_task( + vdu, + db_vnfr, + vdu_index, + action_id, + nsr_id, + task_index, + extra_dict, + ) + db_new_tasks.append(task) + task_index += 1 + + self.upload_all_tasks( + db_new_tasks=db_new_tasks, + now=now, + ) + + self.logger.debug( + logging_text + "Exit. Created {} tasks".format(len(db_new_tasks)) + ) + return ( + {"status": "ok", "nsr_id": nsr_id, "action_id": action_id}, + action_id, + True, + ) + except Exception as e: + if isinstance(e, (DbException, NsException)): + self.logger.error( + logging_text + "Exit Exception while '{}': {}".format(step, e) + ) + else: + e = traceback_format_exc() + self.logger.critical( + logging_text + "Exit Exception while '{}': {}".format(step, e), + exc_info=True, + ) + raise NsException(e)