Feature 7184 New Generation RO enhancemnt
[osm/LCM.git] / osm_lcm / ns.py
index 2a0e8b4..2478310 100644 (file)
@@ -28,6 +28,7 @@ from osm_lcm import ROclient
 from osm_lcm.ng_ro import NgRoClient, NgRoException
 from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
 from n2vc.k8s_helm_conn import K8sHelmConnector
+from n2vc.k8s_helm3_conn import K8sHelm3Connector
 from n2vc.k8s_juju_conn import K8sJujuConnector
 
 from osm_common.dbbase import DbException
@@ -48,35 +49,6 @@ from random import randint
 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
 
 
-class N2VCJujuConnectorLCM(N2VCJujuConnector):
-
-    async def create_execution_environment(self, namespace: str, db_dict: dict, reuse_ee_id: str = None,
-                                           progress_timeout: float = None, total_timeout: float = None,
-                                           config: dict = None, artifact_path: str = None,
-                                           vca_type: str = None) -> (str, dict):
-        # admit two new parameters, artifact_path and vca_type
-        if vca_type == "k8s_proxy_charm":
-            ee_id = await self.install_k8s_proxy_charm(
-                charm_name=artifact_path[artifact_path.rfind("/") + 1:],
-                namespace=namespace,
-                artifact_path=artifact_path,
-                db_dict=db_dict)
-            return ee_id, None
-        else:
-            return await super().create_execution_environment(
-                namespace=namespace, db_dict=db_dict, reuse_ee_id=reuse_ee_id,
-                progress_timeout=progress_timeout, total_timeout=total_timeout)
-
-    async def install_configuration_sw(self, ee_id: str, artifact_path: str, db_dict: dict,
-                                       progress_timeout: float = None, total_timeout: float = None,
-                                       config: dict = None, num_units: int = 1, vca_type: str = "lxc_proxy_charm"):
-        if vca_type == "k8s_proxy_charm":
-            return
-        return await super().install_configuration_sw(
-            ee_id=ee_id, artifact_path=artifact_path, db_dict=db_dict, progress_timeout=progress_timeout,
-            total_timeout=total_timeout, config=config, num_units=num_units)
-
-
 class NsLcm(LcmBase):
     timeout_vca_on_error = 5 * 60   # Time for charm from first time at blocked,error status to mark as failed
     timeout_ns_deploy = 2 * 3600   # default global timeout for deployment a ns
@@ -111,7 +83,7 @@ class NsLcm(LcmBase):
         self.vca_config = config["VCA"].copy()
 
         # create N2VC connector
-        self.n2vc = N2VCJujuConnectorLCM(
+        self.n2vc = N2VCJujuConnector(
             db=self.db,
             fs=self.fs,
             log=self.logger,
@@ -133,7 +105,7 @@ class NsLcm(LcmBase):
             on_update_db=self._on_update_n2vc_db
         )
 
-        self.k8sclusterhelm = K8sHelmConnector(
+        self.k8sclusterhelm2 = K8sHelmConnector(
             kubectl_command=self.vca_config.get("kubectlpath"),
             helm_command=self.vca_config.get("helmpath"),
             fs=self.fs,
@@ -142,18 +114,30 @@ class NsLcm(LcmBase):
             on_update_db=None,
         )
 
+        self.k8sclusterhelm3 = K8sHelm3Connector(
+            kubectl_command=self.vca_config.get("kubectlpath"),
+            helm_command=self.vca_config.get("helm3path"),
+            fs=self.fs,
+            log=self.logger,
+            db=self.db,
+            on_update_db=None,
+        )
+
         self.k8sclusterjuju = K8sJujuConnector(
             kubectl_command=self.vca_config.get("kubectlpath"),
             juju_command=self.vca_config.get("jujupath"),
             fs=self.fs,
             log=self.logger,
             db=self.db,
+            loop=self.loop,
             on_update_db=None,
+            vca_config=self.vca_config,
         )
 
         self.k8scluster_map = {
-            "helm-chart": self.k8sclusterhelm,
-            "chart": self.k8sclusterhelm,
+            "helm-chart": self.k8sclusterhelm2,
+            "helm-chart-v3": self.k8sclusterhelm3,
+            "chart": self.k8sclusterhelm3,
             "juju-bundle": self.k8sclusterjuju,
             "juju": self.k8sclusterjuju,
         }
@@ -162,7 +146,8 @@ class NsLcm(LcmBase):
             "lxc_proxy_charm": self.n2vc,
             "native_charm": self.n2vc,
             "k8s_proxy_charm": self.n2vc,
-            "helm": self.conn_helm_ee
+            "helm": self.conn_helm_ee,
+            "helm-v3": self.conn_helm_ee
         }
 
         self.prometheus = prometheus
@@ -173,6 +158,26 @@ class NsLcm(LcmBase):
         else:
             self.RO = ROclient.ROClient(self.loop, **self.ro_config)
 
+    @staticmethod
+    def increment_ip_mac(ip_mac, vm_index=1):
+        if not isinstance(ip_mac, str):
+            return ip_mac
+        try:
+            # try with ipv4 look for last dot
+            i = ip_mac.rfind(".")
+            if i > 0:
+                i += 1
+                return "{}{}".format(ip_mac[:i], int(ip_mac[i:]) + vm_index)
+            # try with ipv6 or mac look for last colon. Operate in hex
+            i = ip_mac.rfind(":")
+            if i > 0:
+                i += 1
+                # format in hex, len can be 2 for mac or 4 for ipv6
+                return ("{}{:0" + str(len(ip_mac) - i) + "x}").format(ip_mac[:i], int(ip_mac[i:], 16) + vm_index)
+        except Exception:
+            pass
+        return None
+
     def _on_update_ro_db(self, nsrs_id, ro_descriptor):
 
         # self.logger.debug('_on_update_ro_db(nsrs_id={}'.format(nsrs_id))
@@ -368,6 +373,24 @@ class NsLcm(LcmBase):
             vdu.pop("cloud-init", None)
         return vnfd_RO
 
+    @staticmethod
+    def ip_profile_2_RO(ip_profile):
+        RO_ip_profile = deepcopy(ip_profile)
+        if "dns-server" in RO_ip_profile:
+            if isinstance(RO_ip_profile["dns-server"], list):
+                RO_ip_profile["dns-address"] = []
+                for ds in RO_ip_profile.pop("dns-server"):
+                    RO_ip_profile["dns-address"].append(ds['address'])
+            else:
+                RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
+        if RO_ip_profile.get("ip-version") == "ipv4":
+            RO_ip_profile["ip-version"] = "IPv4"
+        if RO_ip_profile.get("ip-version") == "ipv6":
+            RO_ip_profile["ip-version"] = "IPv6"
+        if "dhcp-params" in RO_ip_profile:
+            RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
+        return RO_ip_profile
+
     def _ns_params_2_RO(self, ns_params, nsd, vnfd_dict, db_vnfrs, n2vc_key_list):
         """
         Creates a RO ns descriptor from OSM ns_instantiate params
@@ -409,23 +432,6 @@ class NsLcm(LcmBase):
             else:
                 return wim_account
 
-        def ip_profile_2_RO(ip_profile):
-            RO_ip_profile = deepcopy((ip_profile))
-            if "dns-server" in RO_ip_profile:
-                if isinstance(RO_ip_profile["dns-server"], list):
-                    RO_ip_profile["dns-address"] = []
-                    for ds in RO_ip_profile.pop("dns-server"):
-                        RO_ip_profile["dns-address"].append(ds['address'])
-                else:
-                    RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
-            if RO_ip_profile.get("ip-version") == "ipv4":
-                RO_ip_profile["ip-version"] = "IPv4"
-            if RO_ip_profile.get("ip-version") == "ipv6":
-                RO_ip_profile["ip-version"] = "IPv6"
-            if "dhcp-params" in RO_ip_profile:
-                RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
-            return RO_ip_profile
-
         if not ns_params:
             return None
         RO_ns_params = {
@@ -548,7 +554,7 @@ class NsLcm(LcmBase):
                 if internal_vld_params.get("ip-profile"):
                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
                                                  internal_vld_params["name"], "ip-profile"),
-                                  ip_profile_2_RO(internal_vld_params["ip-profile"]))
+                                  self.ip_profile_2_RO(internal_vld_params["ip-profile"]))
                 if internal_vld_params.get("provider-network"):
 
                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
@@ -585,7 +591,7 @@ class NsLcm(LcmBase):
         for vld_params in get_iterable(ns_params, "vld"):
             if "ip-profile" in vld_params:
                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"),
-                              ip_profile_2_RO(vld_params["ip-profile"]))
+                              self.ip_profile_2_RO(vld_params["ip-profile"]))
 
             if vld_params.get("provider-network"):
 
@@ -664,54 +670,53 @@ class NsLcm(LcmBase):
                                       cp_params["mac-address"])
         return RO_ns_params
 
-    def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None):
-        # make a copy to do not change
-        vdu_create = copy(vdu_create)
-        vdu_delete = copy(vdu_delete)
-
-        vdurs = db_vnfr.get("vdur")
-        if vdurs is None:
-            vdurs = []
-        vdu_index = len(vdurs)
-        while vdu_index:
-            vdu_index -= 1
-            vdur = vdurs[vdu_index]
-            if vdur.get("pdu-type"):
-                continue
-            vdu_id_ref = vdur["vdu-id-ref"]
-            if vdu_create and vdu_create.get(vdu_id_ref):
-                vdur_copy = deepcopy(vdur)
-                vdur_copy["status"] = "BUILD"
-                vdur_copy["status-detailed"] = None
-                vdur_copy["ip_address"]: None
-                for iface in vdur_copy["interfaces"]:
-                    iface["ip-address"] = None
-                    iface["mac-address"] = None
-                    iface.pop("mgmt_vnf", None)  # only first vdu can be managment of vnf   # TODO ALF
-                for index in range(0, vdu_create[vdu_id_ref]):
+    def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None, mark_delete=False):
+
+        db_vdu_push_list = []
+        db_update = {"_admin.modified": time()}
+        if vdu_create:
+            for vdu_id, vdu_count in vdu_create.items():
+                vdur = next((vdur for vdur in reversed(db_vnfr["vdur"]) if vdur["vdu-id-ref"] == vdu_id), None)
+                if not vdur:
+                    raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".
+                                       format(vdu_id))
+
+                for count in range(vdu_count):
+                    vdur_copy = deepcopy(vdur)
+                    vdur_copy["status"] = "BUILD"
+                    vdur_copy["status-detailed"] = None
+                    vdur_copy["ip-address"]: None
                     vdur_copy["_id"] = str(uuid4())
-                    vdur_copy["count-index"] += 1
-                    vdurs.insert(vdu_index+1+index, vdur_copy)
-                    self.logger.debug("scale out, adding vdu={}".format(vdur_copy))
-                    vdur_copy = deepcopy(vdur_copy)
-
-                del vdu_create[vdu_id_ref]
-            if vdu_delete and vdu_delete.get(vdu_id_ref):
-                del vdurs[vdu_index]
-                vdu_delete[vdu_id_ref] -= 1
-                if not vdu_delete[vdu_id_ref]:
-                    del vdu_delete[vdu_id_ref]
-        # check all operations are done
-        if vdu_create or vdu_delete:
-            raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
-                vdu_create))
+                    vdur_copy["count-index"] += count + 1
+                    vdur_copy["id"] = "{}-{}".format(vdur_copy["vdu-id-ref"], vdur_copy["count-index"])
+                    vdur_copy.pop("vim_info", None)
+                    for iface in vdur_copy["interfaces"]:
+                        if iface.get("fixed-ip"):
+                            iface["ip-address"] = self.increment_ip_mac(iface["ip-address"], count+1)
+                        else:
+                            iface.pop("ip-address", None)
+                        if iface.get("fixed-mac"):
+                            iface["mac-address"] = self.increment_ip_mac(iface["mac-address"], count+1)
+                        else:
+                            iface.pop("mac-address", None)
+                        iface.pop("mgmt_vnf", None)  # only first vdu can be managment of vnf
+                    db_vdu_push_list.append(vdur_copy)
+                    # self.logger.debug("scale out, adding vdu={}".format(vdur_copy))
         if vdu_delete:
-            raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
-                vdu_delete))
-
-        vnfr_update = {"vdur": vdurs}
-        db_vnfr["vdur"] = vdurs
-        self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
+            for vdu_id, vdu_count in vdu_delete.items():
+                if mark_delete:
+                    indexes_to_delete = [iv[0] for iv in enumerate(db_vnfr["vdur"]) if iv[1]["vdu-id-ref"] == vdu_id]
+                    db_update.update({"vdur.{}.status".format(i): "DELETING" for i in indexes_to_delete[-vdu_count:]})
+                else:
+                    # it must be deleted one by one because common.db does not allow otherwise
+                    vdus_to_delete = [v for v in reversed(db_vnfr["vdur"]) if v["vdu-id-ref"] == vdu_id]
+                    for vdu in vdus_to_delete[:vdu_count]:
+                        self.db.set_one("vnfrs", {"_id": db_vnfr["_id"]}, None, pull={"vdur": {"_id": vdu["_id"]}})
+        db_push = {"vdur": db_vdu_push_list} if db_vdu_push_list else None
+        self.db.set_one("vnfrs", {"_id": db_vnfr["_id"]}, db_update, push_list=db_push)
+        # modify passed dictionary db_vnfr
+        db_vnfr_ = self.db.get_one("vnfrs", {"_id": db_vnfr["_id"]})
+        db_vnfr["vdur"] = db_vnfr_["vdur"]
 
     def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
         """
@@ -885,6 +890,38 @@ class NsLcm(LcmBase):
 
     async def _instantiate_ng_ro(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref,
                                  n2vc_key_list, stage, start_deploy, timeout_ns_deploy):
+
+        db_vims = {}
+
+        def get_vim_account(vim_account_id):
+            nonlocal db_vims
+            if vim_account_id in db_vims:
+                return db_vims[vim_account_id]
+            db_vim = self.db.get_one("vim_accounts", {"_id": vim_account_id})
+            db_vims[vim_account_id] = db_vim
+            return db_vim
+
+        # modify target_vld info with instantiation parameters
+        def parse_vld_instantiation_params(target_vim, target_vld, vld_params, target_sdn):
+            if vld_params.get("ip-profile"):
+                target_vld["vim_info"][target_vim]["ip_profile"] = vld_params["ip-profile"]
+            if vld_params.get("provider-network"):
+                target_vld["vim_info"][target_vim]["provider_network"] = vld_params["provider-network"]
+                if "sdn-ports" in vld_params["provider-network"] and target_sdn:
+                    target_vld["vim_info"][target_sdn]["sdn-ports"] = vld_params["provider-network"]["sdn-ports"]
+            if vld_params.get("wimAccountId"):
+                target_wim = "wim:{}".format(vld_params["wimAccountId"])
+                target_vld["vim_info"][target_wim] = {}
+            for param in ("vim-network-name", "vim-network-id"):
+                if vld_params.get(param):
+                    if isinstance(vld_params[param], dict):
+                        pass
+                        # for vim_account, vim_net in vld_params[param].items():
+                        # TODO populate vim_info   RO_vld_sites.append({
+                    else:  # isinstance str
+                        target_vld["vim_info"][target_vim][param.replace("-", "_")] = vld_params[param]
+            # TODO  if vld_params.get("ns-net"):
+
         nslcmop_id = db_nslcmop["_id"]
         target = {
             "name": db_nsr["name"],
@@ -893,13 +930,20 @@ class NsLcm(LcmBase):
             "image": deepcopy(db_nsr["image"]),
             "flavor": deepcopy(db_nsr["flavor"]),
             "action_id": nslcmop_id,
+            "cloud_init_content": {},
         }
         for image in target["image"]:
-            image["vim_info"] = []
+            image["vim_info"] = {}
         for flavor in target["flavor"]:
-            flavor["vim_info"] = []
+            flavor["vim_info"] = {}
 
-        ns_params = db_nslcmop.get("operationParams")
+        if db_nslcmop.get("lcmOperationType") != "instantiate":
+            # get parameters of instantiation:
+            db_nslcmop_instantiate = self.db.get_list("nslcmops", {"nsInstanceId": db_nslcmop["nsInstanceId"],
+                                                                   "lcmOperationType": "instantiate"})[-1]
+            ns_params = db_nslcmop_instantiate.get("operationParams")
+        else:
+            ns_params = db_nslcmop.get("operationParams")
         ssh_keys = []
         if ns_params.get("ssh_keys"):
             ssh_keys += ns_params.get("ssh_keys")
@@ -907,36 +951,91 @@ class NsLcm(LcmBase):
             ssh_keys += n2vc_key_list
 
         cp2target = {}
-        for vld_index, vld in enumerate(nsd.get("vld")):
-            target_vld = {"id": vld["id"],
-                          "name": vld["name"],
-                          "mgmt-network": vld.get("mgmt-network", False),
-                          "type": vld.get("type"),
-                          "vim_info": [{"vim-network-name": vld.get("vim-network-name"),
-                                        "vim_account_id": ns_params["vimAccountId"]}],
-                          }
-            for cp in vld["vnfd-connection-point-ref"]:
+        for vld_index, vld in enumerate(db_nsr.get("vld")):
+            target_vim = "vim:{}".format(ns_params["vimAccountId"])
+            target_vld = {
+                "id": vld["id"],
+                "name": vld["name"],
+                "mgmt-network": vld.get("mgmt-network", False),
+                "type": vld.get("type"),
+                "vim_info": {
+                    target_vim: {"vim-network-name": vld.get("vim-network-name")}
+                }
+            }
+            # check if this network needs SDN assist
+            target_sdn = None
+            if vld.get("pci-interfaces"):
+                db_vim = get_vim_account(ns_params["vimAccountId"])
+                sdnc_id = db_vim["config"].get("sdn-controller")
+                if sdnc_id:
+                    sdn_vld = "nsrs:{}:vld.{}".format(nsr_id, vld["id"])
+                    target_sdn = "sdn:{}".format(sdnc_id)
+                    target_vld["vim_info"][target_sdn] = {
+                        "sdn": True, "target_vim": target_vim, "vlds": [sdn_vld], "type": vld.get("type")}
+
+            nsd_vld = next(v for v in nsd["vld"] if v["id"] == vld["id"])
+            for cp in nsd_vld["vnfd-connection-point-ref"]:
                 cp2target["member_vnf:{}.{}".format(cp["member-vnf-index-ref"], cp["vnfd-connection-point-ref"])] = \
                     "nsrs:{}:vld.{}".format(nsr_id, vld_index)
+
+            # check at nsd descriptor, if there is an ip-profile
+            vld_params = {}
+            if nsd_vld.get("ip-profile-ref"):
+                ip_profile = next(ipp for ipp in nsd["ip-profiles"] if ipp["name"] == nsd_vld["ip-profile-ref"])
+                vld_params["ip-profile"] = ip_profile["ip-profile-params"]
+            # update vld_params with instantiation params
+            vld_instantiation_params = next((v for v in get_iterable(ns_params, "vld")
+                                             if v["name"] in (vld["name"], vld["id"])), None)
+            if vld_instantiation_params:
+                vld_params.update(vld_instantiation_params)
+            parse_vld_instantiation_params(target_vim, target_vld, vld_params, target_sdn)
             target["ns"]["vld"].append(target_vld)
         for vnfr in db_vnfrs.values():
             vnfd = db_vnfds_ref[vnfr["vnfd-ref"]]
+            vnf_params = next((v for v in get_iterable(ns_params, "vnf")
+                               if v["member-vnf-index"] == vnfr["member-vnf-index-ref"]), None)
             target_vnf = deepcopy(vnfr)
+            target_vim = "vim:{}".format(vnfr["vim-account-id"])
             for vld in target_vnf.get("vld", ()):
-                # check if connected to a ns.vld
+                # check if connected to a ns.vld, to fill target'
                 vnf_cp = next((cp for cp in vnfd.get("connection-point", ()) if
                                cp.get("internal-vld-ref") == vld["id"]), None)
                 if vnf_cp:
                     ns_cp = "member_vnf:{}.{}".format(vnfr["member-vnf-index-ref"], vnf_cp["id"])
                     if cp2target.get(ns_cp):
                         vld["target"] = cp2target[ns_cp]
-                vld["vim_info"] = [{"vim-network-name": vld.get("vim-network-name"),
-                                    "vim_account_id": vnfr["vim-account-id"]}]
-
+                vld["vim_info"] = {target_vim: {"vim-network-name": vld.get("vim-network-name")}}
+                # check if this network needs SDN assist
+                target_sdn = None
+                if vld.get("pci-interfaces"):
+                    db_vim = get_vim_account(vnfr["vim-account-id"])
+                    sdnc_id = db_vim["config"].get("sdn-controller")
+                    if sdnc_id:
+                        sdn_vld = "vnfrs:{}:vld.{}".format(target_vnf["_id"], vld["id"])
+                        target_sdn = "sdn:{}".format(sdnc_id)
+                        vld["vim_info"][target_sdn] = {
+                            "sdn": True, "target_vim": target_vim, "vlds": [sdn_vld], "type": vld.get("type")}
+
+                # check at vnfd descriptor, if there is an ip-profile
+                vld_params = {}
+                vnfd_vld = next(v for v in vnfd["internal-vld"] if v["id"] == vld["id"])
+                if vnfd_vld.get("ip-profile-ref"):
+                    ip_profile = next(ipp for ipp in vnfd["ip-profiles"] if ipp["name"] == vnfd_vld["ip-profile-ref"])
+                    vld_params["ip-profile"] = ip_profile["ip-profile-params"]
+                # update vld_params with instantiation params
+                if vnf_params:
+                    vld_instantiation_params = next((v for v in get_iterable(vnf_params, "internal-vld")
+                                                     if v["name"] == vld["id"]), None)
+                    if vld_instantiation_params:
+                        vld_params.update(vld_instantiation_params)
+                parse_vld_instantiation_params(target_vim, vld, vld_params, target_sdn)
+
+            vdur_list = []
             for vdur in target_vnf.get("vdur", ()):
-                vdur["vim_info"] = [{"vim_account_id": vnfr["vim-account-id"]}]
+                if vdur.get("status") == "DELETING" or vdur.get("pdu-type"):
+                    continue  # This vdu must not be created
+                vdur["vim_info"] = {target_vim: {}}
                 vdud_index, vdud = next(k for k in enumerate(vnfd["vdu"]) if k[1]["id"] == vdur["vdu-id-ref"])
-                # vdur["additionalParams"] = vnfr.get("additionalParamsForVnf")  # TODO additional params for VDU
 
                 if ssh_keys:
                     if deep_get(vdud, ("vdu-configuration", "config-access", "ssh-access", "required")):
@@ -950,26 +1049,43 @@ class NsLcm(LcmBase):
                 # cloud-init
                 if vdud.get("cloud-init-file"):
                     vdur["cloud-init"] = "{}:file:{}".format(vnfd["_id"], vdud.get("cloud-init-file"))
+                    # read file and put content at target.cloul_init_content. Avoid ng_ro to use shared package system
+                    if vdur["cloud-init"] not in target["cloud_init_content"]:
+                        base_folder = vnfd["_admin"]["storage"]
+                        cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
+                                                                       vdud.get("cloud-init-file"))
+                        with self.fs.file_open(cloud_init_file, "r") as ci_file:
+                            target["cloud_init_content"][vdur["cloud-init"]] = ci_file.read()
                 elif vdud.get("cloud-init"):
                     vdur["cloud-init"] = "{}:vdu:{}".format(vnfd["_id"], vdud_index)
+                    # put content at target.cloul_init_content. Avoid ng_ro read vnfd descriptor
+                    target["cloud_init_content"][vdur["cloud-init"]] = vdud["cloud-init"]
+                vdur["additionalParams"] = vdur.get("additionalParams") or {}
+                deploy_params_vdu = self._format_additional_params(vdur.get("additionalParams") or {})
+                deploy_params_vdu["OSM"] = self._get_osm_params(vnfr, vdur["vdu-id-ref"], vdur["count-index"])
+                vdur["additionalParams"] = deploy_params_vdu
 
                 # flavor
                 ns_flavor = target["flavor"][int(vdur["ns-flavor-id"])]
-                if not next((vi for vi in ns_flavor["vim_info"] if
-                             vi and vi.get("vim_account_id") == vnfr["vim-account-id"]), None):
-                    ns_flavor["vim_info"].append({"vim_account_id": vnfr["vim-account-id"]})
+                if target_vim not in ns_flavor["vim_info"]:
+                    ns_flavor["vim_info"][target_vim] = {}
                 # image
                 ns_image = target["image"][int(vdur["ns-image-id"])]
-                if not next((vi for vi in ns_image["vim_info"] if
-                             vi and vi.get("vim_account_id") == vnfr["vim-account-id"]), None):
-                    ns_image["vim_info"].append({"vim_account_id": vnfr["vim-account-id"]})
-
-                vdur["vim_info"] = [{"vim_account_id": vnfr["vim-account-id"]}]
+                if target_vim not in ns_image["vim_info"]:
+                    ns_image["vim_info"][target_vim] = {}
+
+                vdur["vim_info"] = {target_vim: {}}
+                # instantiation parameters
+                # if vnf_params:
+                #     vdu_instantiation_params = next((v for v in get_iterable(vnf_params, "vdu") if v["id"] ==
+                #     vdud["id"]), None)
+                vdur_list.append(vdur)
+            target_vnf["vdur"] = vdur_list
             target["vnf"].append(target_vnf)
 
         desc = await self.RO.deploy(nsr_id, target)
         action_id = desc["action_id"]
-        await self._wait_ng_ro(self, nsr_id, action_id, nslcmop_id, start_deploy, timeout_ns_deploy, stage)
+        await self._wait_ng_ro(nsr_id, action_id, nslcmop_id, start_deploy, timeout_ns_deploy, stage)
 
         # Updating NSR
         db_nsr_update = {
@@ -982,21 +1098,24 @@ class NsLcm(LcmBase):
         self.logger.debug(logging_text + "ns deployed at RO. RO_id={}".format(action_id))
         return
 
-    async def _wait_ng_ro(self, nsr_id, action_id, nslcmop_id, start_time, timeout, stage):
+    async def _wait_ng_ro(self, nsr_id, action_id, nslcmop_id=None, start_time=None, timeout=600, stage=None):
         detailed_status_old = None
         db_nsr_update = {}
+        start_time = start_time or time()
         while time() <= start_time + timeout:
             desc_status = await self.RO.status(nsr_id, action_id)
             if desc_status["status"] == "FAILED":
                 raise NgRoException(desc_status["details"])
             elif desc_status["status"] == "BUILD":
-                stage[2] = "VIM: ({})".format(desc_status["details"])
+                if stage:
+                    stage[2] = "VIM: ({})".format(desc_status["details"])
             elif desc_status["status"] == "DONE":
-                stage[2] = "Deployed at VIM"
+                if stage:
+                    stage[2] = "Deployed at VIM"
                 break
             else:
                 assert False, "ROclient.check_ns_status returns unknown {}".format(desc_status["status"])
-            if stage[2] != detailed_status_old:
+            if stage and nslcmop_id and stage[2] != detailed_status_old:
                 detailed_status_old = stage[2]
                 db_nsr_update["detailed-status"] = " ".join(stage)
                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
@@ -1016,6 +1135,7 @@ class NsLcm(LcmBase):
                 "vnf": [],
                 "image": [],
                 "flavor": [],
+                "action_id": nslcmop_id
             }
             desc = await self.RO.deploy(nsr_id, target)
             action_id = desc["action_id"]
@@ -1025,7 +1145,7 @@ class NsLcm(LcmBase):
 
             # wait until done
             delete_timeout = 20 * 60  # 20 minutes
-            await self._wait_ng_ro(self, nsr_id, action_id, nslcmop_id, start_deploy, delete_timeout, stage)
+            await self._wait_ng_ro(nsr_id, action_id, nslcmop_id, start_deploy, delete_timeout, stage)
 
             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
@@ -1292,9 +1412,12 @@ class NsLcm(LcmBase):
             self._write_op_status(nslcmop_id, stage)
             # await self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
             # self.logger.debug(logging_text + "Deployed at VIM")
-        except (ROclient.ROClientException, LcmException, DbException, NgRoException) as e:
+        except Exception as e:
             stage[2] = "ERROR deploying at VIM"
             self.set_vnfr_at_error(db_vnfrs, str(e))
+            self.logger.error("Error deploying at VIM {}".format(e),
+                              exc_info=not isinstance(e, (ROclient.ROClientException, LcmException, DbException,
+                                                          NgRoException)))
             raise
 
     async def wait_kdu_up(self, logging_text, nsr_id, vnfr_id, kdu_name):
@@ -1338,7 +1461,7 @@ class NsLcm(LcmBase):
         :return: IP address
         """
 
-        self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
+        self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
         ro_nsr_id = None
         ip_address = None
         nb_tries = 0
@@ -1373,13 +1496,17 @@ class NsLcm(LcmBase):
                 if not vdur:
                     raise LcmException("Not found vnfr_id={}, vdu_id={}, vdu_index={}".format(vnfr_id, vdu_id,
                                                                                               vdu_index))
-
-                if vdur.get("pdu-type") or vdur.get("status") == "ACTIVE":
+                # New generation RO stores information at "vim_info"
+                ng_ro_status = None
+                if vdur.get("vim_info"):
+                    target_vim = next(t for t in vdur["vim_info"])  # there should be only one key
+                    ng_ro_status = vdur["vim_info"][target_vim].get("vim_status")
+                if vdur.get("pdu-type") or vdur.get("status") == "ACTIVE" or ng_ro_status == "ACTIVE":
                     ip_address = vdur.get("ip-address")
                     if not ip_address:
                         continue
                     target_vdu_id = vdur["vdu-id-ref"]
-                elif vdur.get("status") == "ERROR":
+                elif vdur.get("status") == "ERROR" or vdur["vim_info"][target_vim].get("vim_status") == "ERROR":
                     raise LcmException("Cannot inject ssh-key because target VM is in error state")
 
             if not target_vdu_id:
@@ -1387,25 +1514,28 @@ class NsLcm(LcmBase):
 
             # inject public key into machine
             if pub_key and user:
-                # wait until NS is deployed at RO
-                if not ro_nsr_id:
-                    db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
-                    ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
-                if not ro_nsr_id:
-                    continue
-
-                # self.logger.debug(logging_text + "Inserting RO key")
+                self.logger.debug(logging_text + "Inserting RO key")
                 if vdur.get("pdu-type"):
                     self.logger.error(logging_text + "Cannot inject ssh-ky to a PDU")
                     return ip_address
                 try:
                     ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id)  # TODO add vdu_index
                     if self.ng_ro:
+                        self.logger.debug(logging_text + "ALF lanzando orden")
                         target = {"action": "inject_ssh_key", "key": pub_key, "user": user,
-                                  "vnf": [{"_id": vnfr_id, "vdur": [{"id": vdu_id}]}],
+                                  "vnf": [{"_id": vnfr_id, "vdur": [{"id": vdur["id"]}]}],
                                   }
-                        await self.RO.deploy(nsr_id, target)
+                        desc = await self.RO.deploy(nsr_id, target)
+                        action_id = desc["action_id"]
+                        await self._wait_ng_ro(nsr_id, action_id, timeout=600)
+                        break
                     else:
+                        # wait until NS is deployed at RO
+                        if not ro_nsr_id:
+                            db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
+                            ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
+                        if not ro_nsr_id:
+                            continue
                         result_dict = await self.RO.create_action(
                             item="ns",
                             item_id_name=ro_nsr_id,
@@ -1531,8 +1661,14 @@ class NsLcm(LcmBase):
             # find old ee_id if exists
             ee_id = vca_deployed.get("ee_id")
 
+            vim_account_id = (
+                deep_get(db_vnfr, ("vim-account-id",)) or
+                deep_get(deploy_params, ("OSM", "vim_account_id"))
+            )
+            vca_cloud, vca_cloud_credential = self.get_vca_cloud_and_credentials(vim_account_id)
+            vca_k8s_cloud, vca_k8s_cloud_credential = self.get_vca_k8s_cloud_and_credentials(vim_account_id)
             # create or register execution environment in VCA
-            if vca_type in ("lxc_proxy_charm", "k8s_proxy_charm", "helm"):
+            if vca_type in ("lxc_proxy_charm", "k8s_proxy_charm", "helm", "helm-v3"):
 
                 self._write_configuration_status(
                     nsr_id=nsr_id,
@@ -1544,13 +1680,27 @@ class NsLcm(LcmBase):
 
                 step = "create execution environment"
                 self.logger.debug(logging_text + step)
-                ee_id, credentials = await self.vca_map[vca_type].create_execution_environment(
-                    namespace=namespace,
-                    reuse_ee_id=ee_id,
-                    db_dict=db_dict,
-                    config=osm_config,
-                    artifact_path=artifact_path,
-                    vca_type=vca_type)
+
+                ee_id = None
+                credentials = None
+                if vca_type == "k8s_proxy_charm":
+                    ee_id = await self.vca_map[vca_type].install_k8s_proxy_charm(
+                        charm_name=artifact_path[artifact_path.rfind("/") + 1:],
+                        namespace=namespace,
+                        artifact_path=artifact_path,
+                        db_dict=db_dict,
+                        cloud_name=vca_k8s_cloud,
+                        credential_name=vca_k8s_cloud_credential,
+                    )
+                else:
+                    ee_id, credentials = await self.vca_map[vca_type].create_execution_environment(
+                        namespace=namespace,
+                        reuse_ee_id=ee_id,
+                        db_dict=db_dict,
+                        config=osm_config,
+                        cloud_name=vca_cloud,
+                        credential_name=vca_cloud_credential,
+                    )
 
             elif vca_type == "native_charm":
                 step = "Waiting to VM being up and getting IP address"
@@ -1585,7 +1735,12 @@ class NsLcm(LcmBase):
                 step = "register execution environment {}".format(credentials)
                 self.logger.debug(logging_text + step)
                 ee_id = await self.vca_map[vca_type].register_execution_environment(
-                    credentials=credentials, namespace=namespace, db_dict=db_dict)
+                    credentials=credentials,
+                    namespace=namespace,
+                    db_dict=db_dict,
+                    cloud_name=vca_cloud,
+                    credential_name=vca_cloud_credential,
+                )
 
             # for compatibility with MON/POL modules, the need model and application name at database
             # TODO ask MON/POL if needed to not assuming anymore the format "model_name.application_name"
@@ -1631,15 +1786,14 @@ class NsLcm(LcmBase):
                         if vdu_id == v["vdu-id-ref"]:
                             num_units = v.get("config-units") or 1
                             break
-
-            await self.vca_map[vca_type].install_configuration_sw(
-                ee_id=ee_id,
-                artifact_path=artifact_path,
-                db_dict=db_dict,
-                config=config,
-                num_units=num_units,
-                vca_type=vca_type
-            )
+            if vca_type != "k8s_proxy_charm":
+                await self.vca_map[vca_type].install_configuration_sw(
+                    ee_id=ee_id,
+                    artifact_path=artifact_path,
+                    db_dict=db_dict,
+                    config=config,
+                    num_units=num_units,
+                )
 
             # write in db flag of configuration_sw already installed
             self.update_db_2("nsrs", nsr_id, {db_update_entry + "config_sw_installed": True})
@@ -1650,7 +1804,7 @@ class NsLcm(LcmBase):
 
             # if SSH access is required, then get execution environment SSH public
             # if native charm we have waited already to VM be UP
-            if vca_type in ("k8s_proxy_charm", "lxc_proxy_charm", "helm"):
+            if vca_type in ("k8s_proxy_charm", "lxc_proxy_charm", "helm", "helm-v3"):
                 pub_key = None
                 user = None
                 # self.logger.debug("get ssh key block")
@@ -1738,7 +1892,7 @@ class NsLcm(LcmBase):
                 # TODO register in database that primitive is done
 
             # STEP 7 Configure metrics
-            if vca_type == "helm":
+            if vca_type == "helm" or vca_type == "helm-v3":
                 prometheus_jobs = await self.add_prometheus_metrics(
                     ee_id=ee_id,
                     artifact_path=artifact_path,
@@ -2567,7 +2721,7 @@ class NsLcm(LcmBase):
     async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
         # Launch kdus if present in the descriptor
 
-        k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
+        k8scluster_id_2_uuic = {"helm-chart-v3": {}, "helm-chart": {}, "juju-bundle": {}}
 
         async def _get_cluster_id(cluster_id, cluster_type):
             nonlocal k8scluster_id_2_uuic
@@ -2587,8 +2741,25 @@ class NsLcm(LcmBase):
 
             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
             if not k8s_id:
-                raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
-                                                                                               cluster_type))
+                if cluster_type == "helm-chart-v3":
+                    try:
+                        # backward compatibility for existing clusters that have not been initialized for helm v3
+                        k8s_credentials = yaml.safe_dump(db_k8scluster.get("credentials"))
+                        k8s_id, uninstall_sw = await self.k8sclusterhelm3.init_env(k8s_credentials,
+                                                                                   reuse_cluster_uuid=cluster_id)
+                        db_k8scluster_update = {}
+                        db_k8scluster_update["_admin.helm-chart-v3.error_msg"] = None
+                        db_k8scluster_update["_admin.helm-chart-v3.id"] = k8s_id
+                        db_k8scluster_update["_admin.helm-chart-v3.created"] = uninstall_sw
+                        db_k8scluster_update["_admin.helm-chart-v3.operationalState"] = "ENABLED"
+                        self.update_db_2("k8sclusters", cluster_id, db_k8scluster_update)
+                    except Exception as e:
+                        self.logger.error(logging_text + "error initializing helm-v3 cluster: {}".format(str(e)))
+                        raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
+                                                                                                       cluster_type))
+                else:
+                    raise LcmException("K8s cluster '{}' has not been initialized for '{}'".
+                                       format(cluster_id, cluster_type))
             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
             return k8s_id
 
@@ -2600,6 +2771,7 @@ class NsLcm(LcmBase):
 
             index = 0
             updated_cluster_list = []
+            updated_v3_cluster_list = []
 
             for vnfr_data in db_vnfrs.values():
                 for kdu_index, kdur in enumerate(get_iterable(vnfr_data, "kdur")):
@@ -2610,7 +2782,11 @@ class NsLcm(LcmBase):
                     namespace = kdur.get("k8s-namespace")
                     if kdur.get("helm-chart"):
                         kdumodel = kdur["helm-chart"]
-                        k8sclustertype = "helm-chart"
+                        # Default version: helm3, if helm-version is v2 assign v2
+                        k8sclustertype = "helm-chart-v3"
+                        self.logger.debug("kdur: {}".format(kdur))
+                        if kdur.get("helm-version") and kdur.get("helm-version") == "v2":
+                            k8sclustertype = "helm-chart"
                     elif kdur.get("juju-bundle"):
                         kdumodel = kdur["juju-bundle"]
                         k8sclustertype = "juju-bundle"
@@ -2637,18 +2813,25 @@ class NsLcm(LcmBase):
                     cluster_uuid = await _get_cluster_id(k8s_cluster_id, k8sclustertype)
 
                     # Synchronize  repos
-                    if k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list:
+                    if (k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list)\
+                            or (k8sclustertype == "helm-chart-v3" and cluster_uuid not in updated_v3_cluster_list):
                         del_repo_list, added_repo_dict = await asyncio.ensure_future(
-                            self.k8sclusterhelm.synchronize_repos(cluster_uuid=cluster_uuid))
+                            self.k8scluster_map[k8sclustertype].synchronize_repos(cluster_uuid=cluster_uuid))
                         if del_repo_list or added_repo_dict:
-                            unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
-                            updated = {'_admin.helm_charts_added.' +
-                                       item: name for item, name in added_repo_dict.items()}
-                            self.logger.debug(logging_text + "repos synchronized on k8s cluster '{}' to_delete: {}, "
-                                                             "to_add: {}".format(k8s_cluster_id, del_repo_list,
-                                                                                 added_repo_dict))
+                            if k8sclustertype == "helm-chart":
+                                unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
+                                updated = {'_admin.helm_charts_added.' +
+                                           item: name for item, name in added_repo_dict.items()}
+                                updated_cluster_list.append(cluster_uuid)
+                            elif k8sclustertype == "helm-chart-v3":
+                                unset = {'_admin.helm_charts_v3_added.' + item: None for item in del_repo_list}
+                                updated = {'_admin.helm_charts_v3_added.' +
+                                           item: name for item, name in added_repo_dict.items()}
+                                updated_v3_cluster_list.append(cluster_uuid)
+                            self.logger.debug(logging_text + "repos synchronized on k8s cluster "
+                                                             "'{}' to_delete: {}, to_add: {}".
+                                              format(k8s_cluster_id, del_repo_list, added_repo_dict))
                             self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
-                        updated_cluster_list.append(cluster_uuid)
 
                     # Instantiate kdu
                     step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
@@ -2714,7 +2897,10 @@ class NsLcm(LcmBase):
                     vca_type = "native_charm"
             elif ee_item.get("helm-chart"):
                 vca_name = ee_item['helm-chart']
-                vca_type = "helm"
+                if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
+                    vca_type = "helm"
+                else:
+                    vca_type = "helm-v3"
             else:
                 self.logger.debug(logging_text + "skipping non juju neither charm configuration")
                 continue
@@ -2903,7 +3089,7 @@ class NsLcm(LcmBase):
     # 'detailed-status' : status message
     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
-    def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive, 
+    def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
                           RO_nsr_id=None, RO_scaling_info=None):
         if not db_nslcmop:
@@ -3328,7 +3514,7 @@ class NsLcm(LcmBase):
                                              vca.get("needed_terminate"))
                 # For helm we must destroy_ee. Also for native_charm, as juju_model cannot be deleted if there are
                 # pending native charms
-                destroy_ee = True if vca_type in ("helm", "native_charm") else False
+                destroy_ee = True if vca_type in ("helm", "helm-v3", "native_charm") else False
                 # self.logger.debug(logging_text + "vca_index: {}, ee_id: {}, vca_type: {} destroy_ee: {}".format(
                 #     vca_index, vca.get("ee_id"), vca_type, destroy_ee))
                 task = asyncio.ensure_future(
@@ -3505,11 +3691,11 @@ class NsLcm(LcmBase):
                     error_list.append(created_tasks_info[task])
                     error_detail_list.append(new_error)
                     if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException,
-                                        K8sException)):
+                                        K8sException, NgRoException)):
                         self.logger.error(logging_text + new_error)
                     else:
                         exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
-                        self.logger.error(logging_text + created_tasks_info[task] + exc_traceback)
+                        self.logger.error(logging_text + created_tasks_info[task] + " " + exc_traceback)
                 else:
                     self.logger.debug(logging_text + created_tasks_info[task] + ": Done")
             stage[1] = "{}/{}.".format(num_done, num_tasks)
@@ -3898,6 +4084,8 @@ class NsLcm(LcmBase):
             return
 
         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
+        stage = ['', '', '']
+        # ^ stage, step, VIM progress
         self.logger.debug(logging_text + "Enter")
         # get all needed from database
         db_nsr = None
@@ -3944,7 +4132,7 @@ class NsLcm(LcmBase):
             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
             #######
 
-            RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
+            RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
@@ -4042,14 +4230,13 @@ class NsLcm(LcmBase):
                     vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
 
             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
-            vdu_create = vdu_scaling_info.get("vdu-create")
             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
             if vdu_scaling_info["scaling_direction"] == "IN":
                 for vdur in reversed(db_vnfr["vdur"]):
                     if vdu_delete.get(vdur["vdu-id-ref"]):
                         vdu_delete[vdur["vdu-id-ref"]] -= 1
                         vdu_scaling_info["vdu"].append({
-                            "name": vdur["name"],
+                            "name": vdur.get("name") or vdur.get("vdu-name"),
                             "vdu_id": vdur["vdu-id-ref"],
                             "interface": []
                         })
@@ -4059,7 +4246,7 @@ class NsLcm(LcmBase):
                                 "ip_address": interface["ip-address"],
                                 "mac_address": interface.get("mac-address"),
                             })
-                vdu_delete = vdu_scaling_info.pop("vdu-delete")
+                vdu_delete = vdu_scaling_info.pop("vdu-delete")
 
             # PRE-SCALE BEGIN
             step = "Executing pre-scale vnf-config-primitive"
@@ -4136,120 +4323,19 @@ class NsLcm(LcmBase):
                         scale_process = None
             # PRE-SCALE END
 
+            db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
+            db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
+
             # SCALE RO - BEGIN
-            # Should this block be skipped if 'RO_nsr_id' == None ?
-            # if (RO_nsr_id and RO_scaling_info):
             if RO_scaling_info:
                 scale_process = "RO"
-                # Scale RO retry check: Check if this sub-operation has been executed before
-                op_index = self._check_or_add_scale_suboperation(
-                    db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
-                if op_index == self.SUBOPERATION_STATUS_SKIP:
-                    # Skip sub-operation
-                    result = 'COMPLETED'
-                    result_detail = 'Done'
-                    self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
-                        result, result_detail))
+                if self.ro_config.get("ng"):
+                    await self._scale_ng_ro(logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage)
                 else:
-                    if op_index == self.SUBOPERATION_STATUS_NEW:
-                        # New sub-operation: Get index of this sub-operation
-                        op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
-                        self.logger.debug(logging_text + "New sub-operation RO")
-                    else:
-                        # retry:  Get registered params for this existing sub-operation
-                        op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
-                        RO_nsr_id = op.get('RO_nsr_id')
-                        RO_scaling_info = op.get('RO_scaling_info')
-                        self.logger.debug(logging_text + "Sub-operation RO retry for primitive {}".format(
-                            vnf_config_primitive))
-
-                    RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
-                    db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
-                    db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
-                    # wait until ready
-                    RO_nslcmop_id = RO_desc["instance_action_id"]
-                    db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
-
-                    RO_task_done = False
-                    step = detailed_status = "Waiting for VIM to scale. RO_task_id={}.".format(RO_nslcmop_id)
-                    detailed_status_old = None
-                    self.logger.debug(logging_text + step)
-
-                    deployment_timeout = 1 * 3600   # One hour
-                    while deployment_timeout > 0:
-                        if not RO_task_done:
-                            desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
-                                                      extra_item_id=RO_nslcmop_id)
-
-                            # deploymentStatus
-                            self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
-
-                            ns_status, ns_status_info = self.RO.check_action_status(desc)
-                            if ns_status == "ERROR":
-                                raise ROclient.ROClientException(ns_status_info)
-                            elif ns_status == "BUILD":
-                                detailed_status = step + "; {}".format(ns_status_info)
-                            elif ns_status == "ACTIVE":
-                                RO_task_done = True
-                                self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
-                                step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
-                                self.logger.debug(logging_text + step)
-                            else:
-                                assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
-                        else:
-                            desc = await self.RO.show("ns", RO_nsr_id)
-                            ns_status, ns_status_info = self.RO.check_ns_status(desc)
-                            # deploymentStatus
-                            self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
-
-                            if ns_status == "ERROR":
-                                raise ROclient.ROClientException(ns_status_info)
-                            elif ns_status == "BUILD":
-                                detailed_status = step + "; {}".format(ns_status_info)
-                            elif ns_status == "ACTIVE":
-                                step = detailed_status = \
-                                    "Waiting for management IP address reported by the VIM. Updating VNFRs"
-                                try:
-                                    # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
-                                    self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
-                                    break
-                                except LcmExceptionNoMgmtIP:
-                                    pass
-                            else:
-                                assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
-                        if detailed_status != detailed_status_old:
-                            self._update_suboperation_status(
-                                db_nslcmop, op_index, 'COMPLETED', detailed_status)
-                            detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
-                            self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
-
-                        await asyncio.sleep(5, loop=self.loop)
-                        deployment_timeout -= 5
-                    if deployment_timeout <= 0:
-                        self._update_suboperation_status(
-                            db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
-                        raise ROclient.ROClientException("Timeout waiting ns to be ready")
-
-                    # update VDU_SCALING_INFO with the obtained ip_addresses
-                    if vdu_scaling_info["scaling_direction"] == "OUT":
-                        for vdur in reversed(db_vnfr["vdur"]):
-                            if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
-                                vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
-                                vdu_scaling_info["vdu"].append({
-                                    "name": vdur["name"],
-                                    "vdu_id": vdur["vdu-id-ref"],
-                                    "interface": []
-                                })
-                                for interface in vdur["interfaces"]:
-                                    vdu_scaling_info["vdu"][-1]["interface"].append({
-                                        "name": interface["name"],
-                                        "ip_address": interface["ip-address"],
-                                        "mac_address": interface.get("mac-address"),
-                                    })
-                        del vdu_scaling_info["vdu-create"]
-
-                    self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
-            # SCALE RO - END
+                    await self._RO_scale(logging_text, RO_nsr_id, RO_scaling_info, db_nslcmop, db_vnfr,
+                                         db_nslcmop_update, vdu_scaling_info)
+            vdu_scaling_info.pop("vdu-create", None)
+            vdu_scaling_info.pop("vdu-delete", None)
 
             scale_process = None
             if db_nsr_update:
@@ -4335,7 +4421,7 @@ class NsLcm(LcmBase):
                 else old_operational_status
             db_nsr_update["config-status"] = old_config_status
             return
-        except (ROclient.ROClientException, DbException, LcmException) as e:
+        except (ROclient.ROClientException, DbException, LcmException, NgRoException) as e:
             self.logger.error(logging_text + "Exit Exception {}".format(e))
             exc = e
         except asyncio.CancelledError:
@@ -4399,6 +4485,148 @@ class NsLcm(LcmBase):
             self.logger.debug(logging_text + "Exit")
             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")
 
+    async def _scale_ng_ro(self, logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage):
+        nsr_id = db_nslcmop["nsInstanceId"]
+        db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
+        db_vnfrs = {}
+
+        # read from db: vnfd's for every vnf
+        db_vnfds = {}  # every vnfd data indexed by vnf id
+        db_vnfds_ref = {}  # every vnfd data indexed by vnfd id
+        db_vnfds = {}
+
+        # for each vnf in ns, read vnfd
+        for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
+            db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
+            vnfd_id = vnfr["vnfd-id"]  # vnfd uuid for this vnf
+            vnfd_ref = vnfr["vnfd-ref"]  # vnfd name for this vnf
+            # if we haven't this vnfd, read it from db
+            if vnfd_id not in db_vnfds:
+                # read from db
+                vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+                db_vnfds_ref[vnfd_ref] = vnfd  # vnfd's indexed by name
+                db_vnfds[vnfd_id] = vnfd  # vnfd's indexed by id
+        n2vc_key = self.n2vc.get_public_key()
+        n2vc_key_list = [n2vc_key]
+        self.scale_vnfr(db_vnfr, vdu_scaling_info.get("vdu-create"), vdu_scaling_info.get("vdu-delete"),
+                        mark_delete=True)
+        # db_vnfr has been updated, update db_vnfrs to use it
+        db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
+        await self._instantiate_ng_ro(logging_text, nsr_id, db_nsd, db_nsr, db_nslcmop, db_vnfrs,
+                                      db_vnfds_ref, n2vc_key_list, stage=stage, start_deploy=time(),
+                                      timeout_ns_deploy=self.timeout_ns_deploy)
+        if vdu_scaling_info.get("vdu-delete"):
+            self.scale_vnfr(db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False)
+
+    async def _RO_scale(self, logging_text, RO_nsr_id, RO_scaling_info, db_nslcmop, db_vnfr, db_nslcmop_update,
+                        vdu_scaling_info):
+        nslcmop_id = db_nslcmop["_id"]
+        nsr_id = db_nslcmop["nsInstanceId"]
+        vdu_create = vdu_scaling_info.get("vdu-create")
+        vdu_delete = vdu_scaling_info.get("vdu-delete")
+        # Scale RO retry check: Check if this sub-operation has been executed before
+        op_index = self._check_or_add_scale_suboperation(
+            db_nslcmop, db_vnfr["member-vnf-index-ref"], None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
+        if op_index == self.SUBOPERATION_STATUS_SKIP:
+            # Skip sub-operation
+            result = 'COMPLETED'
+            result_detail = 'Done'
+            self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(result, result_detail))
+        else:
+            if op_index == self.SUBOPERATION_STATUS_NEW:
+                # New sub-operation: Get index of this sub-operation
+                op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
+                self.logger.debug(logging_text + "New sub-operation RO")
+            else:
+                # retry:  Get registered params for this existing sub-operation
+                op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
+                RO_nsr_id = op.get('RO_nsr_id')
+                RO_scaling_info = op.get('RO_scaling_info')
+                self.logger.debug(logging_text + "Sub-operation RO retry")
+
+            RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
+            # wait until ready
+            RO_nslcmop_id = RO_desc["instance_action_id"]
+            db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
+
+            RO_task_done = False
+            step = detailed_status = "Waiting for VIM to scale. RO_task_id={}.".format(RO_nslcmop_id)
+            detailed_status_old = None
+            self.logger.debug(logging_text + step)
+
+            deployment_timeout = 1 * 3600  # One hour
+            while deployment_timeout > 0:
+                if not RO_task_done:
+                    desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
+                                              extra_item_id=RO_nslcmop_id)
+
+                    # deploymentStatus
+                    self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
+
+                    ns_status, ns_status_info = self.RO.check_action_status(desc)
+                    if ns_status == "ERROR":
+                        raise ROclient.ROClientException(ns_status_info)
+                    elif ns_status == "BUILD":
+                        detailed_status = step + "; {}".format(ns_status_info)
+                    elif ns_status == "ACTIVE":
+                        RO_task_done = True
+                        self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
+                        step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
+                        self.logger.debug(logging_text + step)
+                    else:
+                        assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
+                else:
+                    desc = await self.RO.show("ns", RO_nsr_id)
+                    ns_status, ns_status_info = self.RO.check_ns_status(desc)
+                    # deploymentStatus
+                    self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
+
+                    if ns_status == "ERROR":
+                        raise ROclient.ROClientException(ns_status_info)
+                    elif ns_status == "BUILD":
+                        detailed_status = step + "; {}".format(ns_status_info)
+                    elif ns_status == "ACTIVE":
+                        step = detailed_status = \
+                            "Waiting for management IP address reported by the VIM. Updating VNFRs"
+                        try:
+                            # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
+                            self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
+                            break
+                        except LcmExceptionNoMgmtIP:
+                            pass
+                    else:
+                        assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
+                if detailed_status != detailed_status_old:
+                    self._update_suboperation_status(
+                        db_nslcmop, op_index, 'COMPLETED', detailed_status)
+                    detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
+                    self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+
+                await asyncio.sleep(5, loop=self.loop)
+                deployment_timeout -= 5
+            if deployment_timeout <= 0:
+                self._update_suboperation_status(
+                    db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
+                raise ROclient.ROClientException("Timeout waiting ns to be ready")
+
+            # update VDU_SCALING_INFO with the obtained ip_addresses
+            if vdu_scaling_info["scaling_direction"] == "OUT":
+                for vdur in reversed(db_vnfr["vdur"]):
+                    if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
+                        vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
+                        vdu_scaling_info["vdu"].append({
+                            "name": vdur["name"] or vdur.get("vdu-name"),
+                            "vdu_id": vdur["vdu-id-ref"],
+                            "interface": []
+                        })
+                        for interface in vdur["interfaces"]:
+                            vdu_scaling_info["vdu"][-1]["interface"].append({
+                                "name": interface["name"],
+                                "ip_address": interface["ip-address"],
+                                "mac_address": interface.get("mac-address"),
+                            })
+            self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
+
     async def add_prometheus_metrics(self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip):
         if not self.prometheus:
             return
@@ -4430,3 +4658,36 @@ class NsLcm(LcmBase):
         job_dict = {jl["job_name"]: jl for jl in job_list}
         if await self.prometheus.update(job_dict):
             return list(job_dict.keys())
+
+    def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
+        """
+        Get VCA Cloud and VCA Cloud Credentials for the VIM account
+
+        :param: vim_account_id:     VIM Account ID
+
+        :return: (cloud_name, cloud_credential)
+        """
+        config = self.get_vim_account_config(vim_account_id)
+        return config.get("vca_cloud"), config.get("vca_cloud_credential")
+
+    def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
+        """
+        Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
+
+        :param: vim_account_id:     VIM Account ID
+
+        :return: (cloud_name, cloud_credential)
+        """
+        config = self.get_vim_account_config(vim_account_id)
+        return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")
+
+    def get_vim_account_config(self, vim_account_id: str) -> dict:
+        """
+        Get VIM Account config from the OSM Database
+
+        :param: vim_account_id:     VIM Account ID
+
+        :return: Dictionary with the config of the vim account
+        """
+        vim_account = self.db.get_one(table="vim_accounts", q_filter={"_id": vim_account_id}, fail_on_empty=False)
+        return vim_account.get("config", {}) if vim_account else {}