vim-account and sdn support.
[osm/RO.git] / lcm / osm_lcm / lcm.py
index 3b4ab60..aa24caa 100644 (file)
@@ -11,14 +11,20 @@ import msglocal
 import msgkafka
 import logging
 import functools
+import sys
 from dbbase import DbException
 from fsbase import FsException
 from msgbase import MsgException
 from os import environ
-from vca import DeployApplication, RemoveApplication
+# from vca import DeployApplication, RemoveApplication
+from n2vc.vnf import N2VC
+# import os.path
+# import time
+
 from copy import deepcopy
 from http import HTTPStatus
 
+
 class LcmException(Exception):
     pass
 
@@ -31,8 +37,15 @@ class Lcm:
         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
         :return: None
         """
+
+        self.db = None
+        self.msg = None
+        self.fs = None
         # contains created tasks/futures to be able to cancel
-        self.lcm_tasks = {}
+
+        self.lcm_ns_tasks = {}
+        self.lcm_vim_tasks = {}
+        self.lcm_sdn_tasks = {}
         # logging
         self.logger = logging.getLogger('lcm')
         # load configuration
@@ -44,6 +57,7 @@ class Lcm:
             "logger_name": "lcm.ROclient",
             "loglevel": "ERROR",
         }
+
         self.vca = config["VCA"]  # TODO VCA
         self.loop = None
 
@@ -78,6 +92,19 @@ class Lcm:
             if "loglevel" in config[k1]:
                 logger_module.setLevel(config[k1]["loglevel"])
 
+        self.n2vc = N2VC(
+            log=self.logger,
+            server=config['VCA']['host'],
+            port=config['VCA']['port'],
+            user=config['VCA']['user'],
+            secret=config['VCA']['secret'],
+            # TODO: This should point to the base folder where charms are stored,
+            # if there is a common one (like object storage). Otherwise, leave
+            # it unset and pass it via DeployCharms
+            # artifacts=config['VCA'][''],
+            artifacts=None,
+        )
+
         try:
             if config["database"]["driver"] == "mongo":
                 self.db = dbmongo.DbMongo()
@@ -109,35 +136,405 @@ class Lcm:
             self.logger.critical(str(e), exc_info=True)
             raise LcmException(str(e))
 
-    def update_nsr_db(self, nsr_id, nsr_desc):
+    def update_db(self, item, _id, _desc):
         try:
-            self.db.replace("nsrs", nsr_id, nsr_desc)
+            self.db.replace(item, _id, _desc)
         except DbException as e:
-            self.logger.error("Updating nsr_id={}: {}".format(nsr_id, e))
+            self.logger.error("Updating {} _id={}: {}".format(item, _id, e))
+
+    async def create_vim(self, vim_content, order_id):
+        vim_id = vim_content["_id"]
+        logging_text = "Task create_vim={} ".format(vim_id)
+        self.logger.debug(logging_text + "Enter")
+        db_vim = None
+        exc = None
+        try:
+            step = "Getting vim from db"
+            db_vim = self.db.get_one("vims", {"_id": vim_id})
+            if "_admin" not in db_vim:
+                db_vim["_admin"] = {}
+            if "deploy" not in db_vim["_admin"]:
+                db_vim["_admin"]["deploy"] = {}
+            db_vim["_admin"]["deploy"]["RO"] =  None
+
+            step = "Creating vim at RO"
+            RO = ROclient.ROClient(self.loop, **self.ro_config)
+            vim_RO = deepcopy(vim_content)
+            vim_RO.pop("_id", None)
+            vim_RO.pop("_admin", None)
+            vim_RO.pop("schema_version", None)
+            vim_RO.pop("schema_type", None)
+            vim_RO.pop("vim_tenant_name", None)
+            vim_RO["type"] = vim_RO.pop("vim_type")
+            vim_RO.pop("vim_user", None)
+            vim_RO.pop("vim_password", None)
+            desc = await RO.create("vim", descriptor=vim_RO)
+            RO_vim_id = desc["uuid"]
+            db_vim["_admin"]["deploy"]["RO"] = RO_vim_id
+            self.update_db("vims", vim_id, db_vim)
+
+            step = "Attach vim to RO tenant"
+            vim_RO = {"vim_tenant_name": vim_content["vim_tenant_name"],
+                "vim_username": vim_content["vim_user"],
+                "vim_password": vim_content["vim_password"],
+                "config": vim_content["config"]
+            }
+            desc = await RO.attach_datacenter(RO_vim_id , descriptor=vim_RO)
+            db_vim["_admin"]["operationalState"] = "ENABLED"
+            self.update_db("vims", vim_id, db_vim)
+
+            self.logger.debug(logging_text + "Exit Ok RO_vim_id".format(RO_vim_id))
+            return RO_vim_id
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_vim:
+                db_vim["_admin"]["operationalState"] = "ERROR"
+                db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("vims", vim_id, db_vim)
+
+    async def edit_vim(self, vim_content, order_id):
+        vim_id = vim_content["_id"]
+        logging_text = "Task edit_vim={} ".format(vim_id)
+        self.logger.debug(logging_text + "Enter")
+        db_vim = None
+        exc = None
+        step = "Getting vim from db"
+        try:
+            db_vim = self.db.get_one("vims", {"_id": vim_id})
+            if db_vim.get("_admin") and db_vim["_admin"].get("deploy") and db_vim["_admin"]["deploy"].get("RO"):
+                RO_vim_id = db_vim["_admin"]["deploy"]["RO"]
+                step = "Editing vim at RO"
+                RO = ROclient.ROClient(self.loop, **self.ro_config)
+                vim_RO = deepcopy(vim_content)
+                vim_RO.pop("_id", None)
+                vim_RO.pop("_admin", None)
+                vim_RO.pop("schema_version", None)
+                vim_RO.pop("schema_type", None)
+                vim_RO.pop("vim_tenant_name", None)
+                vim_RO["type"] = vim_RO.pop("vim_type")
+                vim_RO.pop("vim_user", None)
+                vim_RO.pop("vim_password", None)
+                if vim_RO:
+                    desc = await RO.edit("vim", RO_vim_id, descriptor=vim_RO)
+
+                step = "Editing vim-account at RO tenant"
+                vim_RO = {}
+                for k in ("vim_tenant_name", "vim_password", "config"):
+                    if k in vim_content:
+                        vim_RO[k] = vim_content[k]
+                if "vim_user" in vim_content:
+                    vim_content["vim_username"] = vim_content["vim_user"]
+                if vim_RO:
+                    desc = await RO.edit("vim_account", RO_vim_id, descriptor=vim_RO)
+                db_vim["_admin"]["operationalState"] = "ENABLED"
+                self.update_db("vims", vim_id, db_vim)
+
+            self.logger.debug(logging_text + "Exit Ok RO_vim_id".format(RO_vim_id))
+            return RO_vim_id
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_vim:
+                db_vim["_admin"]["operationalState"] = "ERROR"
+                db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("vims", vim_id, db_vim)
+
+    async def delete_vim(self, vim_id, order_id):
+        logging_text = "Task delete_vim={} ".format(vim_id)
+        self.logger.debug(logging_text + "Enter")
+        db_vim = None
+        exc = None
+        step = "Getting vim from db"
+        try:
+            db_vim = self.db.get_one("vims", {"_id": vim_id})
+            if db_vim.get("_admin") and db_vim["_admin"].get("deploy") and db_vim["_admin"]["deploy"].get("RO"):
+                RO_vim_id = db_vim["_admin"]["deploy"]["RO"]
+                RO = ROclient.ROClient(self.loop, **self.ro_config)
+                step = "Detaching vim from RO tenant"
+                try:
+                    await RO.detach_datacenter(RO_vim_id)
+                except ROclient.ROClientException as e:
+                    if e.http_code == 404:  # not found
+                        self.logger.debug(logging_text + "RO_vim_id={} already detached".format(RO_vim_id))
+                    else:
+                        raise
 
-    def vca_deploy_callback(self, db_nsr, vnf_index, status, task):
-        # TODO study using this callback when VCA.DeployApplication success from VCAMonitor
-        # By the moment this callback is used only to capture exception conditions from VCA DeployApplication
-        nsr_id = db_nsr["_id"]
-        self.logger.debug("Task create_ns={} vca_deploy_callback Enter".format(nsr_id))
+                step = "Deleting vim from RO"
+                try:
+                    await RO.delete("vim", RO_vim_id)
+                except ROclient.ROClientException as e:
+                    if e.http_code == 404:  # not found
+                        self.logger.debug(logging_text + "RO_vim_id={} already deleted".format(RO_vim_id))
+                    else:
+                        raise
+            else:
+                # nothing to delete
+                self.logger.error(logging_text + "Skipping. There is not RO information at database")
+            self.db.del_one("vims", {"_id": vim_id})
+            self.logger.debug("delete_vim task vim_id={} Exit Ok".format(vim_id))
+            return None
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_vim:
+                db_vim["_admin"]["operationalState"] = "ERROR"
+                db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("vims", vim_id, db_vim)
+
+    async def create_sdn(self, sdn_content, order_id):
+        sdn_id = sdn_content["_id"]
+        logging_text = "Task create_sdn={} ".format(sdn_id)
+        self.logger.debug(logging_text + "Enter")
+        db_sdn = None
+        exc = None
         try:
-            if task.cancelled():
+            step = "Getting sdn from db"
+            db_sdn = self.db.get_one("sdns", {"_id": sdn_id})
+            if "_admin" not in db_sdn:
+                db_sdn["_admin"] = {}
+            if "deploy" not in db_sdn["_admin"]:
+                db_sdn["_admin"]["deploy"] = {}
+            db_sdn["_admin"]["deploy"]["RO"] =  None
+
+            step = "Creating sdn at RO"
+            RO = ROclient.ROClient(self.loop, **self.ro_config)
+            sdn_RO = deepcopy(sdn_content)
+            sdn_RO.pop("_id", None)
+            sdn_RO.pop("_admin", None)
+            sdn_RO.pop("schema_version", None)
+            sdn_RO.pop("schema_type", None)
+            desc = await RO.create("sdn", descriptor=sdn_RO)
+            RO_sdn_id = desc["uuid"]
+            db_sdn["_admin"]["deploy"]["RO"] = RO_sdn_id
+            db_sdn["_admin"]["operationalState"] = "ENABLED"
+            self.update_db("sdns", sdn_id, db_sdn)
+            self.logger.debug(logging_text + "Exit Ok RO_sdn_id".format(RO_sdn_id))
+            return RO_sdn_id
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_sdn:
+                db_sdn["_admin"]["operationalState"] = "ERROR"
+                db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("sdns", sdn_id, db_sdn)
+
+    async def edit_sdn(self, sdn_content, order_id):
+        sdn_id = sdn_content["_id"]
+        logging_text = "Task edit_sdn={} ".format(sdn_id)
+        self.logger.debug(logging_text + "Enter")
+        db_sdn = None
+        exc = None
+        step = "Getting sdn from db"
+        try:
+            db_sdn = self.db.get_one("sdns", {"_id": sdn_id})
+            if db_sdn.get("_admin") and db_sdn["_admin"].get("deploy") and db_sdn["_admin"]["deploy"].get("RO"):
+                RO_sdn_id = db_sdn["_admin"]["deploy"]["RO"]
+                RO = ROclient.ROClient(self.loop, **self.ro_config)
+                step = "Editing sdn at RO"
+                sdn_RO = deepcopy(sdn_content)
+                sdn_RO.pop("_id", None)
+                sdn_RO.pop("_admin", None)
+                sdn_RO.pop("schema_version", None)
+                sdn_RO.pop("schema_type", None)
+                if sdn_RO:
+                    desc = await RO.edit("sdn", RO_sdn_id, descriptor=sdn_RO)
+                db_sdn["_admin"]["operationalState"] = "ENABLED"
+                self.update_db("sdns", sdn_id, db_sdn)
+
+            self.logger.debug(logging_text + "Exit Ok RO_sdn_id".format(RO_sdn_id))
+            return RO_sdn_id
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_sdn:
+                db_sdn["_admin"]["operationalState"] = "ERROR"
+                db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("sdns", sdn_id, db_sdn)
+
+    async def delete_sdn(self, sdn_id, order_id):
+        logging_text = "Task delete_sdn={} ".format(sdn_id)
+        self.logger.debug(logging_text + "Enter")
+        db_sdn = None
+        exc = None
+        step = "Getting sdn from db"
+        try:
+            db_sdn = self.db.get_one("sdns", {"_id": sdn_id})
+            if db_sdn.get("_admin") and db_sdn["_admin"].get("deploy") and db_sdn["_admin"]["deploy"].get("RO"):
+                RO_sdn_id = db_sdn["_admin"]["deploy"]["RO"]
+                RO = ROclient.ROClient(self.loop, **self.ro_config)
+                step = "Deleting sdn from RO"
+                try:
+                    await RO.delete("sdn", RO_sdn_id)
+                except ROclient.ROClientException as e:
+                    if e.http_code == 404:  # not found
+                        self.logger.debug(logging_text + "RO_sdn_id={} already deleted".format(RO_sdn_id))
+                    else:
+                        raise
+            else:
+                # nothing to delete
+                self.logger.error(logging_text + "Skipping. There is not RO information at database")
+            self.db.del_one("sdns", {"_id": sdn_id})
+            self.logger.debug("delete_sdn task sdn_id={} Exit Ok".format(sdn_id))
+            return None
+
+        except (ROclient.ROClientException, DbException) as e:
+            self.logger.error(logging_text + "Exit Exception {}".format(e))
+            exc = e
+        except Exception as e:
+            self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+            exc = e
+        finally:
+            if exc and db_sdn:
+                db_sdn["_admin"]["operationalState"] = "ERROR"
+                db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc)
+                self.update_db("sdns", sdn_id, db_sdn)
+
+    def vnfd2RO(self, vnfd, new_id=None):
+        """
+        Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
+        :param vnfd: input vnfd
+        :param new_id: overrides vnf id if provided
+        :return: copy of vnfd
+        """
+        ci_file = None
+        try:
+            vnfd_RO = deepcopy(vnfd)
+            vnfd_RO.pop("_id", None)
+            vnfd_RO.pop("_admin", None)
+            if new_id:
+                vnfd_RO["id"] = new_id
+            for vdu in vnfd_RO["vdu"]:
+                if "cloud-init-file" in vdu:
+                    base_folder = vnfd["_admin"]["storage"]
+                    clout_init_file = "{}/{}/cloud_init/{}".format(
+                        base_folder["folder"],
+                        base_folder["pkg-dir"],
+                        vdu["cloud-init-file"]
+                    )
+                    ci_file = self.fs.file_open(clout_init_file, "r")
+                    # TODO: detect if binary or text. Propose to read as binary and try to decode to utf8. If fails convert to base 64 or similar
+                    clout_init_content = ci_file.read()
+                    ci_file.close()
+                    ci_file = None
+                    vdu.pop("cloud-init-file", None)
+                    vdu["cloud-init"] = clout_init_content
+            return vnfd_RO
+        except FsException as e:
+            raise LcmException("Error reading file at vnfd {}: {} ".format(vnfd["_id"], e))
+        finally:
+            if ci_file:
+                ci_file.close()
+
+    def n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None):
+        """Update the lcm database with the status of the charm.
+
+        Updates the VNF's operational status with the state of the charm:
+        - blocked: The unit needs manual intervention
+        - maintenance: The unit is actively deploying/configuring
+        - waiting: The unit is waiting for another charm to be ready
+        - active: The unit is deployed, configured, and ready
+        - error: The charm has failed and needs attention.
+        - terminated: The charm has been destroyed
+        - removing,
+        - removed
+
+        Updates the network service's config-status to reflect the state of all
+        charms.
+        """
+        nsr_id = None
+        try:
+            nsr_id = db_nsr["_id"]
+            nsr_lcm = db_nsr["_admin"]["deploy"]
+            if task:
+                if task.cancelled():
+                    self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} task Cancelled".format(nsr_id, vnf_member_index))
+                    return
+
+                if task.done():
+                    exc = task.exception()
+                    if exc:
+                        self.logger.error(
+                            "[n2vc_callback] create_ns={} vnf_index={} task Exception={}".format(nsr_id, vnf_member_index, exc))
+                        nsr_lcm["VCA"][vnf_member_index]['operational-status'] = "error"
+                        nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = str(exc)
+                    else:
+                        self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} task Done".format(nsr_id, vnf_member_index))
+                        # TODO it seams that task Done, but callback is still ongoing. For the moment comment this two lines
+                        # nsr_lcm["VCA"][vnf_member_index]['operational-status'] = "active"
+                        # nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = ""
+            elif workload_status:
+                self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} Enter workload_status={}".format(nsr_id, vnf_member_index, workload_status))
+                if nsr_lcm["VCA"][vnf_member_index]['operational-status'] == workload_status:
+                    return  # same status, ignore
+                nsr_lcm["VCA"][vnf_member_index]['operational-status'] = workload_status
+                # TODO N2VC some error message in case of error should be obtained from N2VC
+                nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = ""
+            else:
+                self.logger.critical("[n2vc_callback] create_ns={} vnf_index={} Enter with bad parameters".format(nsr_id, vnf_member_index), exc_info=True)
                 return
-            if task.done():
-                exc = task.exception()
-                if exc:
-                    nsr_lcm = db_nsr["_admin"]["deploy"]
-                    nsr_lcm["VCA"][vnf_index]['operational-status'] = "failed"
-                    db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_index, exc)
+
+            some_failed = False
+            all_active = True
+            status_map = {}
+            for vnf_index, vca_info in nsr_lcm["VCA"].items():
+                vca_status = vca_info["operational-status"]
+                if vca_status not in status_map:
+                    # Initialize it
+                    status_map[vca_status] = 0
+                status_map[vca_status] += 1
+
+                if vca_status != "active":
+                    all_active = False
+                if vca_status == "error":
+                    some_failed = True
                     db_nsr["config-status"] = "failed"
-                    self.update_nsr_db(nsr_id, db_nsr)
-            else:
-                # TODO may be used to be called when VCA monitor status changes
+                    db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_member_index,
+                                                                                          vca_info["detailed-status"])
+                    break
+
+            if all_active:
+                self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} All active".format(nsr_id, vnf_member_index))
+                db_nsr["config-status"] = "configured"
+                db_nsr["detailed-status"] = "done"
+            elif some_failed:
                 pass
-        # except DbException as e:
-        #     self.logger.error("Task create_ns={} vca_deploy_callback Exception {}".format(nsr_id, e))
+            else:
+                cs = "configuring: "
+                separator = ""
+                for status, num in status_map.items():
+                    cs += separator + "{}: {}".format(status, num)
+                    separator = ", "
+                db_nsr["config-status"] = cs
+            self.update_db("nsrs", nsr_id, db_nsr)
+
         except Exception as e:
-            self.logger.critical("Task create_ns={} vca_deploy_callback Exception {}".format(nsr_id, e), exc_info=True)
+            self.logger.critical("[n2vc_callback] create_ns={} vnf_index={} Exception {}".format(nsr_id, vnf_member_index, e), exc_info=True)
 
     async def create_ns(self, nsr_id, order_id):
         logging_text = "Task create_ns={} ".format(nsr_id)
@@ -149,6 +546,7 @@ class Lcm:
         try:
             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
             nsd = db_nsr["nsd"]
+            nsr_name = db_nsr["name"]   # TODO short-name??
             needed_vnfd = {}
             for c_vnf in nsd["constituent-vnfd"]:
                 vnfd_id = c_vnf["vnfd-id-ref"]
@@ -183,13 +581,10 @@ class Lcm:
                     self.logger.debug(logging_text + "RO vnfd={} exist. Using RO_id={}".format(
                         vnfd_id, vnfd_list[0]["uuid"]))
                 else:
-                    vnfd_RO = deepcopy(vnfd)
-                    vnfd_RO.pop("_id", None)
-                    vnfd_RO.pop("_admin", None)
-                    vnfd_RO["id"] = vnfd_id_RO
+                    vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO)
                     desc = await RO.create("vnfd", descriptor=vnfd_RO)
                     nsr_lcm["RO"]["vnfd_id"][vnfd_id] = desc["uuid"]
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
             # create nsd at RO
             nsd_id = nsd["id"]
@@ -212,7 +607,7 @@ class Lcm:
                     c_vnf["vnfd-id-ref"] = nsr_id + "." + vnfd_id[:200]
                 desc = await RO.create("nsd", descriptor=nsd_RO)
                 nsr_lcm["RO"]["nsd_id"] = desc["uuid"]
-            self.update_nsr_db(nsr_id, db_nsr)
+            self.update_db("nsrs", nsr_id, db_nsr)
 
             # Crate ns at RO
             # if present use it unless in error status
@@ -243,7 +638,7 @@ class Lcm:
                                        scenario=nsr_lcm["RO"]["nsd_id"])
                 RO_nsr_id = nsr_lcm["RO"]["nsr_id"] = desc["uuid"]
                 nsr_lcm["RO"]["nsr_status"] = "BUILD"
-            self.update_nsr_db(nsr_id, db_nsr)
+            self.update_db("nsrs", nsr_id, db_nsr)
 
             # wait until NS is ready
             step = ns_status_detailed = "Waiting ns ready at RO"
@@ -258,7 +653,7 @@ class Lcm:
                     raise ROclient.ROClientException(ns_status_info)
                 elif ns_status == "BUILD":
                     db_nsr["detailed-status"] = ns_status_detailed + "; {}".format(ns_status_info)
-                    self.update_nsr_db(nsr_id, db_nsr)
+                    self.update_db("nsrs", nsr_id, db_nsr)
                 elif ns_status == "ACTIVE":
                     nsr_lcm["nsr_ip"] = RO.get_ns_vnf_ip(desc)
                     break
@@ -270,7 +665,7 @@ class Lcm:
             if deloyment_timeout <= 0:
                 raise ROclient.ROClientException("Timeout waiting ns to be ready")
             db_nsr["detailed-status"] = "Configuring vnfr"
-            self.update_nsr_db(nsr_id, db_nsr)
+            self.update_db("nsrs", nsr_id, db_nsr)
 
             vnfd_to_config = 0
             step = "Looking for needed vnfd to configure"
@@ -280,40 +675,72 @@ class Lcm:
                 vnf_index = str(c_vnf["member-vnf-index"])
                 vnfd = needed_vnfd[vnfd_id]
                 if vnfd.get("vnf-configuration") and vnfd["vnf-configuration"].get("juju"):
-                    nsr_lcm["VCA"][vnf_index] = {}
                     vnfd_to_config += 1
                     proxy_charm = vnfd["vnf-configuration"]["juju"]["charm"]
 
                     # Note: The charm needs to exist on disk at the location
                     # specified by charm_path.
                     base_folder = vnfd["_admin"]["storage"]
+                    storage_params = self.fs.get_params()
                     charm_path = "{}{}/{}/charms/{}".format(
-                        base_folder["path"],
+                        storage_params["path"],
                         base_folder["folder"],
-                        base_folder["file"],
+                        base_folder["pkg-dir"],
                         proxy_charm
                     )
+
+                    # Setup the runtime parameters for this VNF
+                    params = {
+                        'rw_mgmt_ip': nsr_lcm['nsr_ip'][vnf_index],
+                    }
+
+                    # model_name will be ignored in the current version of N2VC
+                    # but will be implemented for the next point release.
+                    model_name = 'default'
+                    application_name = self.n2vc.FormatApplicationName(
+                        nsr_name,  # 'default',
+                        vnf_index,
+                        vnfd['name'],
+                    )
+                    # TODO N2VC implement this inside n2vc.FormatApplicationName
+                    application_name = application_name[:50]
+
+                    nsr_lcm["VCA"][vnf_index] = {
+                        "model": model_name,
+                        "application": application_name,
+                        "operational-status": "init",
+                        "detailed-status": "",
+                        "vnfd_id": vnfd_id,
+                    }
+
+                    self.logger.debug("Task create_ns={} Passing artifacts path '{}' for {}".format(nsr_id, charm_path, proxy_charm))
                     task = asyncio.ensure_future(
-                        DeployApplication(
-                            self.config['VCA'],
-                            self.db,
-                            db_nsr,
-                            vnfd,
-                            vnf_index,
-                            charm_path,
+                        self.n2vc.DeployCharms(
+                            model_name,             # The network service name
+                            application_name,    # The application name
+                            vnfd,                # The vnf descriptor
+                            charm_path,          # Path to charm
+                            params,              # Runtime params, like mgmt ip
+                            {},                  # for native charms only
+                            self.n2vc_callback,  # Callback for status changes
+                            db_nsr,              # Callback parameter
+                            vnf_index,           # Callback parameter
+                            None,                # Callback parameter (task)
                         )
                     )
-                    task.add_done_callback(functools.partial(self.vca_deploy_callback, db_nsr, vnf_index, None))
-                    self.lcm_tasks[nsr_id][order_id]["create_charm:" + vnf_index] = task
+                    task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name,
+                                                             None, db_nsr, vnf_index))
+
+                    self.lcm_ns_tasks[nsr_id][order_id]["create_charm:" + vnf_index] = task
             db_nsr["config-status"] = "configuring" if vnfd_to_config else "configured"
-            db_nsr["detailed-status"] = "Configuring 1/{}".format(vnfd_to_config) if vnfd_to_config else "done"
+            db_nsr["detailed-status"] = "configuring: init: {}".format(vnfd_to_config) if vnfd_to_config else "done"
             db_nsr["operational-status"] = "running"
-            self.update_nsr_db(nsr_id, db_nsr)
+            self.update_db("nsrs", nsr_id, db_nsr)
 
-            self.logger.debug("create_ns task nsr_id={} Exit Ok".format(nsr_id))
+            self.logger.debug("Task create_ns={} Exit Ok".format(nsr_id))
             return nsr_lcm
 
-        except (ROclient.ROClientException, DbException) as e:
+        except (ROclient.ROClientException, DbException, LcmException) as e:
             self.logger.error(logging_text + "Exit Exception {}".format(e))
             exc = e
         except Exception as e:
@@ -323,7 +750,7 @@ class Lcm:
             if exc and db_nsr:
                 db_nsr["detailed-status"] = "ERROR {}: {}".format(step , exc)
                 db_nsr["operational-status"] = "failed"
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
     async def delete_ns(self, nsr_id, order_id):
         logging_text = "Task delete_ns={} ".format(nsr_id)
@@ -336,25 +763,30 @@ class Lcm:
             nsd = db_nsr["nsd"]
             nsr_lcm = db_nsr["_admin"]["deploy"]
 
-            db_nsr["operational-status"] = "terminate"
-            db_nsr["config-status"] = "terminate"
+            db_nsr["operational-status"] = "terminating"
+            db_nsr["config-status"] = "terminating"
             db_nsr["detailed-status"] = "Deleting charms"
-            self.update_nsr_db(nsr_id, db_nsr)
+            self.update_db("nsrs", nsr_id, db_nsr)
 
             try:
-                step = db_nsr["detailed-status"] = "Deleting charms"
                 self.logger.debug(logging_text + step)
                 for vnf_index, deploy_info in nsr_lcm["VCA"].items():
-                    if deploy_info and deploy_info.get("appliation"):
+                    if deploy_info and deploy_info.get("application"):
+                        # n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None):
+
+                        # self.n2vc.RemoveCharms(model_name, application_name, self.n2vc_callback, model_name, application_name)
                         task = asyncio.ensure_future(
-                            RemoveApplication(
-                                self.config['VCA'],
-                                self.db,
+                            self.n2vc.RemoveCharms(
+                                deploy_info['model'],
+                                deploy_info['application'],
+                                self.n2vc_callback,
                                 db_nsr,
                                 vnf_index,
                             )
                         )
-                        self.lcm_tasks[nsr_id][order_id]["delete_charm:" + vnf_index] = task
+                        # task.add_done_callback(functools.partial(self.n2vc_callback, deploy_info['model'],
+                        #                                          deploy_info['application'],None, db_nsr, vnf_index))
+                        self.lcm_ns_tasks[nsr_id][order_id]["delete_charm:" + vnf_index] = task
             except Exception as e:
                 self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))
             # remove from RO
@@ -378,7 +810,7 @@ class Lcm:
                         self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
                     else:
                         self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
             # Delete nsd
             RO_nsd_id = nsr_lcm["RO"]["nsd_id"]
@@ -396,7 +828,7 @@ class Lcm:
                         self.logger.debug(logging_text + "RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
                     else:
                         self.logger.error(logging_text + "RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
             for vnf_id, RO_vnfd_id in nsr_lcm["RO"]["vnfd_id"].items():
                 if not RO_vnfd_id:
@@ -414,7 +846,7 @@ class Lcm:
                         self.logger.debug(logging_text + "RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
                     else:
                         self.logger.error(logging_text + "RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
             # TODO delete from database or mark as deleted???
             db_nsr["operational-status"] = "terminated"
@@ -431,83 +863,167 @@ class Lcm:
             if exc and db_nsr:
                 db_nsr["detailed-status"] = "ERROR {}: {}".format(step , exc)
                 db_nsr["operational-status"] = "failed"
-                self.update_nsr_db(nsr_id, db_nsr)
+                self.update_db("nsrs", nsr_id, db_nsr)
 
     async def test(self, param=None):
         self.logger.debug("Starting/Ending test task: {}".format(param))
 
-    def cancel_tasks(self, nsr_id):
+    def cancel_tasks(self, topic, _id):
         """
-        Cancel all active tasks of a concrete nsr identified for nsr_id
-        :param nsr_id:  nsr identity
+        Cancel all active tasks of a concrete nsr or vim identified for _id
+        :param topic: can be ns or vim_account
+        :param _id:  nsr or vim identity
         :return: None, or raises an exception if not possible
         """
-        if not self.lcm_tasks.get(nsr_id):
+        if topic == "ns":
+            lcm_tasks = self.lcm_ns_tasks
+        elif topic== "vim_account":
+            lcm_tasks = self.lcm_vim_tasks
+        elif topic== "sdn":
+            lcm_tasks = self.lcm_sdn_tasks
+
+        if not lcm_tasks.get(_id):
             return
-        for order_id, tasks_set in self.lcm_tasks[nsr_id].items():
+        for order_id, tasks_set in lcm_tasks[_id].items():
             for task_name, task in tasks_set.items():
                 result = task.cancel()
                 if result:
-                    self.logger.debug("nsr_id={} order_id={} task={} cancelled".format(nsr_id, order_id, task_name))
-        self.lcm_tasks[nsr_id] = {}
+                    self.logger.debug("{} _id={} order_id={} task={} cancelled".format(topic, _id, order_id, task_name))
+        lcm_tasks[_id] = {}
 
     async def read_kafka(self):
-        self.logger.debug("kafka task Enter")
+        self.logger.debug("Task Kafka Enter")
         order_id = 1
         # future = asyncio.Future()
+        consecutive_errors = 0
+        while consecutive_errors < 10:
+            try:
+                topic, command, params = await self.msg.aioread(("ns", "vim_account", "sdn"), self.loop)
+                self.logger.debug("Task Kafka receives {} {}: {}".format(topic, command, params))
+                consecutive_errors = 0
+                order_id += 1
+                if command == "exit":
+                    print("Bye!")
+                    break
+                elif command.startswith("#"):
+                    continue
+                elif command == "echo":
+                    # just for test
+                    print(params)
+                    sys.stdout.flush()
+                    continue
+                elif command == "test":
+                    asyncio.Task(self.test(params), loop=self.loop)
+                    continue
 
-        while True:
-            command, params = await self.msg.aioread("ns", self.loop)
-            order_id += 1
-            if command == "exit":
-                print("Bye!")
-                break
-            elif command.startswith("#"):
-                continue
-            elif command == "echo":
-                # just for test
-                print(params)
-            elif command == "test":
-                asyncio.Task(self.test(params), loop=self.loop)
-            elif command == "break":
-                print("put a break in this line of code")
-            elif command == "create":
-                nsr_id = params.strip()
-                self.logger.debug("Deploying NS {}".format(nsr_id))
-                task = asyncio.ensure_future(self.create_ns(nsr_id, order_id))
-                if nsr_id not in self.lcm_tasks:
-                    self.lcm_tasks[nsr_id] = {}
-                self.lcm_tasks[nsr_id][order_id] = {"create_ns": task}
-            elif command == "delete":
-                nsr_id = params.strip()
-                self.logger.debug("Deleting NS {}".format(nsr_id))
-                self.cancel_tasks(nsr_id)
-                task = asyncio.ensure_future(self.delete_ns(nsr_id, order_id))
-                if nsr_id not in self.lcm_tasks:
-                    self.lcm_tasks[nsr_id] = {}
-                self.lcm_tasks[nsr_id][order_id] = {"delete_ns": task}
-            elif command == "show":
-                # just for test
-                nsr_id = params.strip()
-                try:
-                    db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
-                    print("nsr:\n    _id={}\n    operational-status: {}\n    config-status: {}\n    detailed-status: "
-                          "{}\n    deploy: {}\n    tasks: {}".format(
+                if topic == "ns":
+                    nsr_id = params.strip()
+                    if command == "create":
+                        # self.logger.debug("Deploying NS {}".format(nsr_id))
+                        task = asyncio.ensure_future(self.create_ns(nsr_id, order_id))
+                        if nsr_id not in self.lcm_ns_tasks:
+                            self.lcm_ns_tasks[nsr_id] = {}
+                        self.lcm_ns_tasks[nsr_id][order_id] = {"create_ns": task}
+                        continue
+                    elif command == "delete":
+                        # self.logger.debug("Deleting NS {}".format(nsr_id))
+                        self.cancel_tasks(topic, nsr_id)
+                        task = asyncio.ensure_future(self.delete_ns(nsr_id, order_id))
+                        if nsr_id not in self.lcm_ns_tasks:
+                            self.lcm_ns_tasks[nsr_id] = {}
+                        self.lcm_ns_tasks[nsr_id][order_id] = {"delete_ns": task}
+                        continue
+                    elif command == "show":
+                        try:
+                            db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+                            print(
+                            "nsr:\n    _id={}\n    operational-status: {}\n    config-status: {}\n    detailed-status: "
+                            "{}\n    deploy: {}\n    tasks: {}".format(
                                 nsr_id, db_nsr["operational-status"],
                                 db_nsr["config-status"], db_nsr["detailed-status"],
-                                db_nsr["_admin"]["deploy"], self.lcm_tasks.get(nsr_id)))
-                except Exception as e:
-                    print("nsr {} not found: {}".format(nsr_id, e))
-            else:
-                self.logger.critical("unknown command '{}'".format(command))
-        self.logger.debug("kafka task Exit")
-
+                                db_nsr["_admin"]["deploy"], self.lcm_ns_tasks.get(nsr_id)))
+                        except Exception as e:
+                            print("nsr {} not found: {}".format(nsr_id, e))
+                        sys.stdout.flush()
+                        continue
+                elif topic == "vim_account":
+                    vim_id = params["_id"]
+                    if command == "create":
+                        task = asyncio.ensure_future(self.create_vim(params, order_id))
+                        if vim_id not in self.lcm_vim_tasks:
+                            self.lcm_vim_tasks[vim_id] = {}
+                        self.lcm_vim_tasks[vim_id][order_id] = {"create_vim": task}
+                        continue
+                    elif command == "delete":
+                        self.cancel_tasks(topic, vim_id)
+                        task = asyncio.ensure_future(self.delete_vim(vim_id, order_id))
+                        if vim_id not in self.lcm_vim_tasks:
+                            self.lcm_vim_tasks[vim_id] = {}
+                        self.lcm_vim_tasks[vim_id][order_id] = {"delete_vim": task}
+                        continue
+                    elif command == "show":
+                        print("not implemented show with vim_account")
+                        sys.stdout.flush()
+                        continue
+                    elif command == "edit":
+                        task = asyncio.ensure_future(self.edit_vim(vim_id, order_id))
+                        if vim_id not in self.lcm_vim_tasks:
+                            self.lcm_vim_tasks[vim_id] = {}
+                        self.lcm_vim_tasks[vim_id][order_id] = {"edit_vim": task}
+                        continue
+                elif topic == "sdn":
+                    _sdn_id = params["_id"]
+                    if command == "create":
+                        task = asyncio.ensure_future(self.create_sdn(params, order_id))
+                        if _sdn_id not in self.lcm_sdn_tasks:
+                            self.lcm_sdn_tasks[_sdn_id] = {}
+                        self.lcm_sdn_tasks[_sdn_id][order_id] = {"create_sdn": task}
+                        continue
+                    elif command == "delete":
+                        self.cancel_tasks(topic, _sdn_id)
+                        task = asyncio.ensure_future(self.delete_sdn(_sdn_id, order_id))
+                        if _sdn_id not in self.lcm_sdn_tasks:
+                            self.lcm_sdn_tasks[_sdn_id] = {}
+                        self.lcm_sdn_tasks[_sdn_id][order_id] = {"delete_sdn": task}
+                        continue
+                    elif command == "edit":
+                        task = asyncio.ensure_future(self.edit_sdn(_sdn_id, order_id))
+                        if _sdn_id not in self.lcm_sdn_tasks:
+                            self.lcm_sdn_tasks[_sdn_id] = {}
+                        self.lcm_sdn_tasks[_sdn_id][order_id] = {"edit_sdn": task}
+                        continue
+                self.logger.critical("unknown topic {} and command '{}'".format(topic, command))
+            except Exception as e:
+                if consecutive_errors == 5:
+                    self.logger.error("Task Kafka task exit error too many errors. Exception: {}".format(e))
+                    break
+                else:
+                    consecutive_errors += 1
+                    self.logger.error("Task Kafka Exception {}".format(e))
+                    await asyncio.sleep(1, loop=self.loop)
+        self.logger.debug("Task Kafka terminating")
+        # TODO
+        # self.cancel_tasks("ALL", "create")
+        # timeout = 200
+        # while self.is_pending_tasks():
+        #     self.logger.debug("Task Kafka terminating. Waiting for tasks termination")
+        #     await asyncio.sleep(2, loop=self.loop)
+        #     timeout -= 2
+        #     if not timeout:
+        #         self.cancel_tasks("ALL", "ALL")
+        self.logger.debug("Task Kafka exit")
 
     def start(self):
         self.loop = asyncio.get_event_loop()
         self.loop.run_until_complete(self.read_kafka())
         self.loop.close()
         self.loop = None
+        if self.db:
+            self.db.db_disconnect()
+        if self.msg:
+            self.msg.disconnect()
+        if self.fs:
+            self.fs.fs_disconnect()
 
 
     def read_config_file(self, config_file):
@@ -538,6 +1054,7 @@ class Lcm:
             return conf
         except Exception as e:
             self.logger.critical("At config file '{}': {}".format(config_file, e))
+            exit(1)
 
 
 if __name__ == '__main__':