lightweight build structure

Change-Id: I7a04acdd31dd6ce97546fd762c3c5d550387806d
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/lcm/lcm.py b/lcm/lcm.py
deleted file mode 100644
index 9958142..0000000
--- a/lcm/lcm.py
+++ /dev/null
@@ -1,380 +0,0 @@
-#!/usr/bin/python3
-# -*- coding: utf-8 -*-
-
-import asyncio
-import aiohttp
-import yaml
-import ROclient
-import time
-import dbmemory
-import logging
-
-from copy import deepcopy
-from uuid import uuid4
-
-#streamformat = "%(asctime)s %(name)s %(levelname)s: %(message)s"
-streamformat = "%(name)s %(levelname)s: %(message)s"
-logging.basicConfig(format=streamformat, level=logging.DEBUG)
-logger = logging.getLogger('lcm')
-
-ro_account = {
-    "url": "http://localhost:9090/openmano",
-    "tenant": "osm"
-}
-
-vca_account = {
-    # TODO
-}
-
-# conains created tasks/futures to be able to cancel
-lcm_tasks = {}
-
-headers_req = {'Accept': 'application/yaml', 'content-type': 'application/yaml'}
-ns_status = ("CREATION-SCHEDULED", "DEPLOYING", "CONFIGURING", "DELETION-SCHEDULED", "UN-CONFIGURING", "UNDEPLOYING")
-
-# TODO replace with database calls
-db = dbmemory.dbmemory()
-
-
-
-async def CreateNS(loop, nsr_id):
-    logger.debug("CreateNS task nsr_id={} Enter".format(nsr_id))
-    nsr_lcm = {
-        "id": nsr_id,
-        "RO": {"vnfd_id": {}, "nsd_id": None, "nsr_id": None, "nsr_status": "SCHEDULED"},
-        "nsr_ip": {},
-        "VCA": {"TODO"},
-        "status": "BUILD",
-        "status_detailed": "",
-    }
-
-    deloyment_timeout = 120
-    try:
-        ns_request = db.get_one("ns_request", {"id": nsr_id})
-        nsd = db.get_one("nsd", {"id": ns_request["nsd_id"]})
-        RO = ROclient.ROClient(loop, endpoint_url=ro_account["url"], tenant=ro_account["tenant"],
-                               datacenter=ns_request["vim"])
-        nsr_lcm["status_detailed"] = "Creating vnfd at RO"
-        # ns_request["constituent-vnfr-ref"] = []
-
-        db.create("nsr_lcm", nsr_lcm)
-
-        # get vnfds, instantiate at RO
-        logger.debug("CreateNS task nsr_id={} RO VNFD".format(nsr_id))
-        for c_vnf in nsd["constituent-vnfd"]:
-            vnfd_id = c_vnf["vnfd-id-ref"]
-            vnfd = db.get_one("vnfd", {"id": vnfd_id})
-            vnfd.pop("_admin", None)
-            vnfd.pop("_id", None)
-            # vnfr = deepcopy(vnfd)
-            # vnfr["member-vnf-index"] = c_vnf["member-vnf-index"]
-            # vnfr["nsr-id"] = nsr_id
-            # vnfr["id"] = uuid4()
-            # vnfr["vnf-id"] = vnfd["id"]
-            # ns_request["constituent-vnfr-ref"],append(vnfd_id)
-
-            # TODO change id for RO in case it is present
-            try:
-                desc = await RO.create("vnfd", descriptor=vnfd)
-                nsr_lcm["RO"]["vnfd_id"][vnfd_id] = desc["uuid"]
-                db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-            except ROclient.ROClientException as e:
-                if e.http_code == 409:  # conflict, vnfd already present
-                    print("debug", e)
-                else:
-                    raise
-
-            # db_new("vnfr", vnfr)
-            # db_update("ns_request", nsr_id, ns_request)
-
-        # create nsd at RO
-        logger.debug("CreateNS task nsr_id={} RO NSD".format(nsr_id))
-        nsr_lcm["status_detailed"] = "Creating nsd at RO"
-        nsd_id = ns_request["nsd_id"]
-        nsd = db.get_one("nsd", {"id": nsd_id})
-        nsd.pop("_admin", None)
-        nsd.pop("_id", None)
-        try:
-            desc = await RO.create("nsd", descriptor=nsd)
-            nsr_lcm["RO"]["nsd_id"] = desc["uuid"]
-            db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-        except ROclient.ROClientException as e:
-            if e.http_code == 409:  # conflict, nsd already present
-                print("debug", e)
-            else:
-                raise
-
-        # Crate ns at RO
-        logger.debug("CreateNS task nsr_id={} RO NS".format(nsr_id))
-        nsr_lcm["status_detailed"] = "Creating ns at RO"
-        desc = await RO.create("ns", name=ns_request["name"], datacenter=ns_request["vim"], scenario=nsr_lcm["RO"]["nsd_id"])
-        RO_nsr_id = desc["uuid"]
-        nsr_lcm["RO"]["nsr_id"] = RO_nsr_id
-        nsr_lcm["RO"]["nsr_status"] = "BUILD"
-        db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-
-        # wait until NS is ready
-        deloyment_timeout = 600
-        while deloyment_timeout > 0:
-            ns_status_detailed = "Waiting ns ready at RO"
-            nsr_lcm["status_detailed"] = ns_status_detailed
-            desc = await RO.show("ns", RO_nsr_id)
-            ns_status, ns_status_info = RO.check_ns_status(desc)
-            nsr_lcm["RO"]["nsr_status"] = ns_status
-            if ns_status == "ERROR":
-                raise ROclient.ROClientException(ns_status_info)
-            elif ns_status == "BUILD":
-                nsr_lcm["status_detailed"] = ns_status_detailed + "; nsr_id: '{}', {}".format(nsr_id, ns_status_info)
-            elif ns_status == "ACTIVE":
-                nsr_lcm["nsr_ip"] = RO.get_ns_vnf_ip(desc)
-                break
-            else:
-                assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
-
-            await asyncio.sleep(5, loop=loop)
-            deloyment_timeout -= 5
-        if deloyment_timeout <= 0:
-            raise ROclient.ROClientException("Timeot wating ns to be ready")
-        nsr_lcm["status_detailed"] = "Configuring vnfr"
-        db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-
-        #for nsd in nsr_lcm["descriptors"]["nsd"]:
-
-        logger.debug("CreateNS task nsr_id={} VCA look for".format(nsr_id))
-        for c_vnf in nsd["constituent-vnfd"]:
-            vnfd_id = c_vnf["vnfd-id-ref"]
-            vnfd_index = int(c_vnf["member-vnf-index"])
-            vnfd = db.get_one("vnfd", {"id": vnfd_id})
-            if vnfd.get("vnf-configuration") and vnfd["vnf-configuration"].get("juju"):
-                proxy_charm = vnfd["vnf-configuration"]["juju"]["charm"]
-                config_primitive = vnfd["vnf-configuration"].get("config-primitive")
-                # get parameters for juju charm
-                base_folder = vnfd["_admin"]["storage"]
-                path = base_folder + "/charms/" + proxy_charm
-                mgmt_ip = nsr_lcm['nsr_ip'][vnfd_index]
-                # TODO launch VCA charm
-                # task = asyncio.ensure_future(DeployCharm(loop, path, mgmt_ip, config_primitive))
-        nsr_lcm["status"] = "DONE"
-        db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-
-        return nsr_lcm
-
-    except (ROclient.ROClientException, Exception) as e:
-        logger.debug("CreateNS nsr_id={} Exception {}".format(nsr_id, e), exc_info=True)
-        nsr_lcm["status"] = "ERROR"
-        nsr_lcm["status_detailed"] += ": ERROR {}".format(e)
-    finally:
-        logger.debug("CreateNS task nsr_id={} Exit".format(nsr_id))
-
-
-async def DestroyNS(loop, nsr_id):
-    logger.debug("DestroyNS task nsr_id={} Enter".format(nsr_id))
-    nsr_lcm = db.get_one("nsr_lcm", {"id": nsr_id})
-    ns_request = db.get_one("ns_request", {"id": nsr_id})
-
-    nsr_lcm["status"] = "DELETING"
-    nsr_lcm["status_detailed"] = "Deleting charms"
-    db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-    # TODO destroy VCA charm
-
-    # remove from RO
-    RO = ROclient.ROClient(loop, endpoint_url=ro_account["url"], tenant=ro_account["tenant"],
-                           datacenter=ns_request["vim"])
-    # Delete ns
-    try:
-        RO_nsr_id = nsr_lcm["RO"]["nsr_id"]
-        if RO_nsr_id:
-            nsr_lcm["status_detailed"] = "Deleting ns at RO"
-            desc = await RO.delete("ns", RO_nsr_id)
-            print("debug", "deleted RO ns {}".format(RO_nsr_id))
-            nsr_lcm["RO"]["nsr_id"] = None
-            nsr_lcm["RO"]["nsr_status"] = "DELETED"
-            db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-    except ROclient.ROClientException as e:
-        if e.http_code == 404:
-            nsr_lcm["RO"]["nsr_id"] = None
-            nsr_lcm["RO"]["nsr_status"] = "DELETED"
-            db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-            print("warning", e)
-        else:
-            print("error", e)
-
-    # Delete nsd
-    try:
-        RO_nsd_id = nsr_lcm["RO"]["nsd_id"]
-        if RO_nsd_id:
-            nsr_lcm["status_detailed"] = "Deleting nsd at RO"
-            desc = await RO.delete("nsd", RO_nsd_id)
-            print("debug", "deleted RO nsd {}".format(RO_nsd_id))
-            nsr_lcm["RO"]["nsd_id"] = None
-            db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-    except ROclient.ROClientException as e:
-        if e.http_code == 404:
-            nsr_lcm["RO"]["nsd_id"] = None
-            print("warning", e)
-        else:
-            print("error", e)
-
-    for vnf_id, RO_vnfd_id in nsr_lcm["RO"]["vnfd_id"].items():
-        try:
-            if RO_vnfd_id:
-                nsr_lcm["status_detailed"] = "Deleting vnfd at RO"
-                desc = await RO.delete("vnfd", RO_vnfd_id)
-                print("debug", "deleted RO vnfd {}".format(RO_vnfd_id))
-                nsr_lcm["RO"]["vnfd_id"][vnf_id] = None
-                db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
-        except ROclient.ROClientException as e:
-            if e.http_code == 404:
-                nsr_lcm["RO"]["vnfd_id"][vnf_id] = None
-                print("warning", e)
-            else:
-                print("error", e)
-    logger.debug("DestroyNS task nsr_id={} Exit".format(nsr_id))
-
-
-async def test(loop, param=None):
-    logger.debug("Starting/Ending test task: {}".format(param))
-
-
-def cancel_tasks(loop, nsr_id):
-    """
-    Cancel all active tasks of a concrete nsr identified for nsr_id
-    :param loop: loop
-    :param nsr_id:  nsr identity
-    :return: None, or raises an exception if not possible
-    """
-    global lcm_tasks
-    if not lcm_tasks.get(nsr_id):
-        return
-    for order_id, tasks_set in lcm_tasks[nsr_id].items():
-        for task_name, task in tasks_set.items():
-            result = task.cancel()
-            if result:
-                logger.debug("nsr_id={} order_id={} task={} cancelled".format(nsr_id, order_id, task_name))
-    lcm_tasks[nsr_id] = {}
-
-
-
-async def read_kafka(loop, bus_info):
-    global lcm_tasks
-    logger.debug("kafka task Enter")
-    order_id = 1
-    # future = asyncio.Future()
-    with open(bus_info["file"]) as f:
-
-        # ignore old orders. Read file
-        command = "fake"
-        while command:
-            command = f.read()
-
-        while True:
-            command = f.read()
-            if not command:
-                await asyncio.sleep(2, loop=loop)
-                continue
-            order_id += 1
-            command = command.strip()
-            command, _, params = command.partition(" ")
-            if command == "exit":
-                print("Bye!")
-                break
-            elif command.startswith("#"):
-                continue
-            elif command == "echo":
-                print(params)
-            elif command == "test":
-                asyncio.Task(test(loop, params), loop=loop)
-            elif command == "break":
-                print("put a break in this line of code")
-            elif command == "new-ns":
-                nsr_id = params.strip()
-                logger.debug("Deploying NS {}".format(nsr_id))
-                task = asyncio.ensure_future(CreateNS(loop, nsr_id))
-                if nsr_id not in lcm_tasks:
-                    lcm_tasks[nsr_id] = {}
-                lcm_tasks[nsr_id][order_id] = {"CreateNS": task}
-            elif command == "del-ns":
-                nsr_id = params.strip()
-                logger.debug("Deleting NS {}".format(nsr_id))
-                cancel_tasks(loop, nsr_id)
-                task = asyncio.ensure_future(DestroyNS(loop, nsr_id))
-                if nsr_id not in lcm_tasks:
-                    lcm_tasks[nsr_id] = {}
-                lcm_tasks[nsr_id][order_id] = {"DestroyNS": task}
-            elif command == "get-ns":
-                nsr_id = params.strip()
-                nsr_lcm = db.get_one("nsr_lcm", {"id": nsr_id})
-                print("nsr_lcm", nsr_lcm)
-                print("lcm_tasks", lcm_tasks.get(nsr_id))
-            else:
-                logger.debug("unknown command '{}'".format(command))
-                print("Usage:\n  echo <>\n  new-ns <ns1|ns2>\n  del-ns <ns1|ns2>\n  get-ns <ns1|ns2>")
-    logger.debug("kafka task Exit")
-
-
-def lcm():
-    loop = asyncio.get_event_loop()
-    loop.run_until_complete(read_kafka(loop, {"file": "/home/atierno/OSM/osm/NBI/kafka"}))
-    return
-
-
-def lcm2():
-    loop = asyncio.get_event_loop()
-    # asyncio.ensure_future(CreateNS, loop)
-    try:
-        content = loop.run_until_complete(CreateNS(loop, "ns1"))
-        print("Done: {}".format(content))
-    except ROclient.ROClientException as e:
-        print("Error {}".format(e))
-
-    time.sleep(10)
-
-    content = loop.run_until_complete(DestroyNS(loop, "ns1"))
-    print(content)
-
-    loop.close()
-
-
-if __name__ == '__main__':
-
-    # FOR TEST
-    RO_VIM = "OST2_MRT"
-
-    #FILL DATABASE
-    with open("/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/ping_vnf/src/ping_vnfd.yaml") as f:
-        vnfd = yaml.load(f)
-        vnfd_clean, _ = ROclient.remove_envelop("vnfd", vnfd)
-        vnfd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/ping_vnf"}
-        db.create("vnfd", vnfd_clean)
-    with open("/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/pong_vnf/src/pong_vnfd.yaml") as f:
-        vnfd = yaml.load(f)
-        vnfd_clean, _ = ROclient.remove_envelop("vnfd", vnfd)
-        vnfd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/pong_vnf"}
-        db.create("vnfd", vnfd_clean)
-    with open("/home/atierno/OSM/osm/devops/descriptor-packages/nsd/ping_pong_ns/src/ping_pong_nsd.yaml") as f:
-        nsd = yaml.load(f)
-        nsd_clean, _ = ROclient.remove_envelop("nsd", nsd)
-        nsd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/nsd/ping_pong_ns"}
-        db.create("nsd", nsd_clean)
-
-    ns_request = {
-        "id": "ns1",
-        "nsr_id": "ns1",
-        "name": "pingpongOne",
-        "vim": RO_VIM,
-        "nsd_id": nsd_clean["id"],  # nsd_ping_pong
-    }
-    db.create("ns_request", ns_request)
-    ns_request = {
-        "id": "ns2",
-        "nsr_id": "ns2",
-        "name": "pingpongTwo",
-        "vim": RO_VIM,
-        "nsd_id": nsd_clean["id"],  # nsd_ping_pong
-    }
-    db.create("ns_request", ns_request)
-    # lcm2()
-    lcm()
-
-
-
diff --git a/lcm/osm_common/__init__.py b/lcm/osm_common/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lcm/osm_common/__init__.py
diff --git a/lcm/dbbase.py b/lcm/osm_common/dbbase.py
similarity index 88%
rename from lcm/dbbase.py
rename to lcm/osm_common/dbbase.py
index 55041b6..a2768ae 100644
--- a/lcm/dbbase.py
+++ b/lcm/osm_common/dbbase.py
@@ -3,9 +3,11 @@
 class DbException(Exception):
 
     def __init__(self, message, http_code=404):
+        # TODO change to http.HTTPStatus instead of int that allows .value and .name
         self.http_code = http_code
         Exception.__init__(self, message)
 
+
 class dbbase(object):
 
     def __init__(self):
@@ -31,5 +33,3 @@
 
     def del_one(self, table, filter={}, fail_on_empty=True):
         pass
-
-
diff --git a/lcm/dbmemory.py b/lcm/osm_common/dbmemory.py
similarity index 100%
rename from lcm/dbmemory.py
rename to lcm/osm_common/dbmemory.py
diff --git a/lcm/osm_common/dbmongo.py b/lcm/osm_common/dbmongo.py
new file mode 100644
index 0000000..38454b3
--- /dev/null
+++ b/lcm/osm_common/dbmongo.py
@@ -0,0 +1,153 @@
+#import pymongo
+from pymongo import MongoClient
+from dbbase import DbException, dbbase
+from http import HTTPStatus
+
+class dbmongo(dbbase):
+
+    def __init__(self):
+        pass
+
+    def db_connect(self, config):
+        try:
+            self.client = MongoClient(config["host"], config["port"])
+            self.db = self.client[config["name"]]
+            # get data to try a connection
+            self.db.users.find_one({"username": "admin"})
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def db_disconnect(self):
+        pass  # TODO
+
+    @staticmethod
+    def _format_filter(filter):
+        try:
+            db_filter = {}
+            for query_k, query_v in filter.items():
+                dot_index = query_k.rfind(".")
+                if dot_index > 1 and query_k[dot_index+1:] in ("eq", "ne", "gt", "gte", "lt", "lte", "cont",
+                                                               "ncont", "neq"):
+                    operator = "$" + query_k[dot_index+1:]
+                    if operator == "$neq":
+                        operator = "$nq"
+                    k = query_k[:dot_index]
+                else:
+                    operator = "$eq"
+                    k = query_k
+
+                v = query_v
+                if isinstance(v, list):
+                    if operator in ("$eq", "$cont"):
+                        operator = "$in"
+                        v = query_v
+                    elif operator in ("$ne", "$ncont"):
+                        operator = "$nin"
+                        v = query_v
+                    else:
+                        v = query_v.join(",")
+
+                if operator in ("$eq", "$cont"):
+                    # v cannot be a comma separated list, because operator would have been changed to $in
+                    db_filter[k] = v
+                elif operator == "$ncount":
+                    # v cannot be a comma separated list, because operator would have been changed to $nin
+                    db_filter[k] = {"$ne": v}
+                else:
+                    # maybe db_filter[k] exist. e.g. in the query string for values between 5 and 8: "a.gt=5&a.lt=8"
+                    if k not in db_filter:
+                        db_filter[k] = {}
+                    db_filter[k][operator] = v
+
+            return db_filter
+        except Exception as e:
+            raise DbException("Invalid query string filter at {}:{}. Error: {}".format(query_k, v, e),
+                              http_code=HTTPStatus.BAD_REQUEST.value)
+
+
+    def get_list(self, table, filter={}):
+        try:
+            l = []
+            collection = self.db[table]
+            rows = collection.find(self._format_filter(filter))
+            for row in rows:
+                l.append(row)
+            return l
+        except DbException:
+            raise
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def get_one(self, table, filter={}, fail_on_empty=True, fail_on_more=True):
+        try:
+            if filter:
+                filter = self._format_filter(filter)
+            collection = self.db[table]
+            if not (fail_on_empty and fail_on_more):
+                return collection.find_one(filter)
+            rows = collection.find(filter)
+            if rows.count() == 0:
+                if fail_on_empty:
+                    raise DbException("Not found entry with filter='{}'".format(filter), HTTPStatus.NOT_FOUND.value)
+                return None
+            elif rows.count() > 1:
+                if fail_on_more:
+                    raise DbException("Found more than one entry with filter='{}'".format(filter),
+                                      HTTPStatus.CONFLICT.value)
+            return rows[0]
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def del_list(self, table, filter={}):
+        try:
+            collection = self.db[table]
+            rows = collection.delete_many(self._format_filter(filter))
+            return {"deleted": rows.deleted_count}
+        except DbException:
+            raise
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def del_one(self, table, filter={}, fail_on_empty=True):
+        try:
+            collection = self.db[table]
+            rows = collection.delete_one(self._format_filter(filter))
+            if rows.deleted_count == 0:
+                if fail_on_empty:
+                    raise DbException("Not found entry with filter='{}'".format(filter), HTTPStatus.NOT_FOUND.value)
+                return None
+            return {"deleted": rows.deleted_count}
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def create(self, table, indata):
+        try:
+            collection = self.db[table]
+            data = collection.insert_one(indata)
+            return data.inserted_id
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def set_one(self, table, filter, update_dict, fail_on_empty=True):
+        try:
+            collection = self.db[table]
+            rows = collection.update_one(self._format_filter(filter), {"$set": update_dict})
+            if rows.updated_count == 0:
+                if fail_on_empty:
+                    raise DbException("Not found entry with filter='{}'".format(filter), HTTPStatus.NOT_FOUND.value)
+                return None
+            return {"deleted": rows.deleted_count}
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
+
+    def replace(self, table, id, indata, fail_on_empty=True):
+        try:
+            collection = self.db[table]
+            rows = collection.replace_one({"_id": id}, indata)
+            if rows.modified_count == 0:
+                if fail_on_empty:
+                    raise DbException("Not found entry with filter='{}'".format(filter), HTTPStatus.NOT_FOUND.value)
+                return None
+            return {"replace": rows.modified_count}
+        except Exception as e:  # TODO refine
+            raise DbException(str(e))
diff --git a/lcm/osm_common/fsbase.py b/lcm/osm_common/fsbase.py
new file mode 100644
index 0000000..85562bd
--- /dev/null
+++ b/lcm/osm_common/fsbase.py
@@ -0,0 +1,40 @@
+
+class FsException(Exception):
+
+    def __init__(self, message, http_code=404):
+        self.http_code = http_code
+        Exception.__init__(self, message)
+
+
+class FsBase(object):
+
+    def __init__(self):
+        pass
+
+    def get_params(self):
+        return {}
+
+    def fs_connect(self, config):
+        pass
+
+    def fs_disconnect(self):
+        pass
+
+    def mkdir(self, folder):
+        pass
+
+    def file_exists(self, storage):
+        pass
+
+    def file_size(self, storage):
+        pass
+
+    def file_extract(self, tar_object, path):
+        pass
+
+    def file_open(self, storage, mode):
+        pass
+
+    def file_delete(self, storage, ignore_non_exist=False):
+        pass
+
diff --git a/lcm/osm_common/fslocal.py b/lcm/osm_common/fslocal.py
new file mode 100644
index 0000000..b88475f
--- /dev/null
+++ b/lcm/osm_common/fslocal.py
@@ -0,0 +1,108 @@
+import os
+import tarfile
+from http import HTTPStatus
+from shutil import rmtree
+from fsbase import FsBase, FsException
+
+
+class FsLocal(FsBase):
+
+    def __init__(self):
+        self.path = None
+
+    def get_params(self):
+        return {"fs": "local", "path": self.path}
+
+    def fs_connect(self, config):
+        try:
+            self.path = config["path"]
+            if not self.path.endswith("/"):
+                self.path += "/"
+            if not os.path.exists(self.path):
+                raise FsException("Invalid configuration param at '[storage]': path '{}' does not exist".format(
+                    config["path"]))
+        except FsException:
+            raise
+        except Exception as e:  # TODO refine
+            raise FsException(str(e))
+
+    def fs_disconnect(self):
+        pass  # TODO
+
+    def mkdir(self, folder):
+        """
+        Creates a folder or parent object location
+        :param folder:
+        :return: None or raises and exception
+        """
+        try:
+            os.mkdir(self.path + folder)
+        except Exception as e:
+            raise FsException(str(e), http_code=HTTPStatus.INTERNAL_SERVER_ERROR.value)
+
+    def file_exists(self, storage):
+        """
+        Indicates if "storage" file exist
+        :param storage: can be a str or a str list
+        :return: True, False
+        """
+        if isinstance(storage, str):
+            f = storage
+        else:
+            f = "/".join(storage)
+        return os.path.exists(self.path + f)
+
+    def file_size(self, storage):
+        """
+        return file size
+        :param storage: can be a str or a str list
+        :return: file size
+        """
+        if isinstance(storage, str):
+            f = storage
+        else:
+            f = "/".join(storage)
+        return os.path.getsize(self.path + f)
+
+    def file_extract(self, tar_object, path):
+        """
+        extract a tar file
+        :param tar_object: object of type tar
+        :param path: can be a str or a str list, or a tar object where to extract the tar_object
+        :return: None
+        """
+        if isinstance(path, str):
+            f = self.path + path
+        else:
+            f = self.path + "/".join(path)
+        tar_object.extractall(path=f)
+
+    def file_open(self, storage, mode):
+        """
+        Open a file
+        :param storage: can be a str or list of str
+        :param mode: file mode
+        :return: file object
+        """
+        if isinstance(storage, str):
+            f = storage
+        else:
+            f = "/".join(storage)
+        return open(self.path + f, mode)
+
+    def file_delete(self, storage, ignore_non_exist=False):
+        """
+        Delete storage content recursivelly
+        :param storage: can be a str or list of str
+        :param ignore_non_exist: not raise exception if storage does not exist
+        :return: None
+        """
+
+        if isinstance(storage, str):
+            f = self.path + storage
+        else:
+            f = self.path + "/".join(storage)
+        if os.path.exists(f):
+            rmtree(f)
+        elif not ignore_non_exist:
+            raise FsException("File {} does not exist".format(storage), http_code=HTTPStatus.BAD_REQUEST.value)
diff --git a/lcm/osm_common/msgbase.py b/lcm/osm_common/msgbase.py
new file mode 100644
index 0000000..745df7f
--- /dev/null
+++ b/lcm/osm_common/msgbase.py
@@ -0,0 +1,39 @@
+
+from http import HTTPStatus
+
+
+class MsgException(Exception):
+    """
+    Base Exception class for all msgXXXX exceptions
+    """
+
+    def __init__(self, message, http_code=HTTPStatus.INTERNAL_SERVER_ERROR):
+        """
+        General exception
+        :param message:  descriptive text
+        :param http_code: <http.HTTPStatus> type. It contains ".value" (http error code) and ".name" (http error name
+        """
+        self.http_code = http_code
+        Exception.__init__(self, message)
+
+
+class MsgBase(object):
+    """
+    Base class for all msgXXXX classes
+    """
+
+    def __init__(self):
+        pass
+
+    def connect(self, config):
+        pass
+
+    def write(self, msg):
+        pass
+
+    def read(self):
+        pass
+
+    def disconnect(self):
+        pass
+
diff --git a/lcm/osm_common/msglocal.py b/lcm/osm_common/msglocal.py
new file mode 100644
index 0000000..5045181
--- /dev/null
+++ b/lcm/osm_common/msglocal.py
@@ -0,0 +1,78 @@
+import os
+import yaml
+import asyncio
+from msgbase import MsgBase, MsgException
+
+
+class msgLocal(MsgBase):
+
+    def __init__(self):
+        self.path = None
+        # create a different file for each topic
+        self.files = {}
+
+    def connect(self, config):
+        try:
+            self.path = config["path"]
+            if not self.path.endswith("/"):
+                self.path += "/"
+            if not os.path.exists(self.path):
+                os.mkdir(self.path)
+        except MsgException:
+            raise
+        except Exception as e:  # TODO refine
+            raise MsgException(str(e))
+
+    def disconnect(self):
+        for f in self.files.values():
+            try:
+                f.close()
+            except Exception as e:  # TODO refine
+                pass
+
+    def write(self, topic, key, msg):
+        """
+        Insert a message into topic
+        :param topic: topic
+        :param key: key text to be inserted
+        :param msg: value object to be inserted
+        :return: None or raises and exception
+        """
+        try:
+            if topic not in self.files:
+                self.files[topic] = open(self.path + topic, "w+")
+            yaml.safe_dump({key: msg}, self.files[topic], default_flow_style=True)
+            self.files[topic].flush()
+        except Exception as e:  # TODO refine
+            raise MsgException(str(e))
+
+    def read(self, topic):
+        try:
+            if topic not in self.files:
+                self.files[topic] = open(self.path + topic, "r+")
+            msg = self.files[topic].read()
+            msg_dict = yaml.load(msg)
+            assert len(msg_dict) == 1
+            for k, v in msg_dict.items():
+                return k, v
+        except Exception as e:  # TODO refine
+            raise MsgException(str(e))
+
+    async def aioread(self, loop, topic):
+        try:
+            if topic not in self.files:
+                self.files[topic] = open(self.path + topic, "r+")
+                # ignore previous content
+                while self.files[topic].read():
+                    pass
+            while True:
+                msg = self.files[topic].read()
+                if msg:
+                    break
+                await asyncio.sleep(2, loop=loop)
+            msg_dict = yaml.load(msg)
+            assert len(msg_dict) == 1
+            for k, v in msg_dict.items():
+                return k, v
+        except Exception as e:  # TODO refine
+            raise MsgException(str(e))
diff --git a/lcm/ROclient.py b/lcm/osm_lcm/ROclient.py
similarity index 100%
rename from lcm/ROclient.py
rename to lcm/osm_lcm/ROclient.py
diff --git a/lcm/osm_lcm/lcm.cfg b/lcm/osm_lcm/lcm.cfg
new file mode 100644
index 0000000..c93323f
--- /dev/null
+++ b/lcm/osm_lcm/lcm.cfg
@@ -0,0 +1,45 @@
+
+# TODO currently is a pure yaml format. Transform it to [ini] style with yaml inside to be coherent with other modules
+
+#[global]
+global:
+    log_file:   ""
+    log_level:  DEBUG
+
+#[RO]
+RO:
+    #host:   ro          # hostname or IP
+    host:   localhost
+    port:   9090
+    tenant: osm
+
+#[VCA]
+VCA:
+    host:   vca
+    port:   17070
+    user:   admin
+    secret:   secret
+
+#[database]
+database:
+    #driver: mongo       # mongo or memory
+    driver: memory
+    host:   mongo       # hostname or IP
+    port:   27017
+    name:   osm
+    user:   user
+    password:   password
+
+#[storage]
+storage:
+    driver: local       # local filesystem
+    # for local provide file path
+    #path:   /app/storage
+    path:   /home/atierno/OSM/osm/RO/lcm/local/storage
+
+#[message]
+message:
+    driver: local       # local or kafka
+    # for local provide file path
+    #path:   /app/storage/kafka
+    path:   /home/atierno/OSM/osm/RO/lcm/local/kafka
diff --git a/lcm/osm_lcm/lcm.py b/lcm/osm_lcm/lcm.py
new file mode 100644
index 0000000..f35ec60
--- /dev/null
+++ b/lcm/osm_lcm/lcm.py
@@ -0,0 +1,403 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+import asyncio
+import yaml
+import ROclient
+import dbmemory
+import dbmongo
+import fslocal
+import msglocal
+from dbbase import DbException
+from fsbase import FsException
+from msgbase import MsgException
+import logging
+
+#streamformat = "%(asctime)s %(name)s %(levelname)s: %(message)s"
+streamformat = "%(name)s %(levelname)s: %(message)s"
+logging.basicConfig(format=streamformat, level=logging.DEBUG)
+
+
+class LcmException(Exception):
+    pass
+
+
+class Lcm:
+
+    def __init__(self, config):
+        """
+        Init, Connect to database, filesystem storage, and messaging
+        :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
+        :return: None
+        """
+        # contains created tasks/futures to be able to cancel
+        self.lcm_tasks = {}
+
+        self.config = config
+        # logging
+        self.logger = logging.getLogger('lcm')
+        self.config = config
+        self.ro_url = "http://{}:{}/openmano".format(config["RO"]["host"], config["RO"]["port"])
+        self.ro_tenant = config["RO"]["tenant"]
+        self.vca = config["VCA"]  # TODO VCA
+        self.loop = None
+        try:
+            if config["database"]["driver"] == "mongo":
+                self.db = dbmongo.dbmongo()
+                self.db.db_connect(config["database"])
+            elif config["database"]["driver"] == "memory":
+                self.db = dbmemory.dbmemory()
+                self.db.db_connect(config["database"])
+            else:
+                raise LcmException("Invalid configuration param '{}' at '[database]':'driver'".format(
+                    config["database"]["driver"]))
+
+            if config["storage"]["driver"] == "local":
+                self.fs = fslocal.FsLocal()
+                self.fs.fs_connect(config["storage"])
+            else:
+                raise LcmException("Invalid configuration param '{}' at '[storage]':'driver'".format(
+                    config["storage"]["driver"]))
+
+            if config["message"]["driver"] == "local":
+                self.msg = msglocal.msgLocal()
+                self.msg.connect(config["message"])
+            else:
+                raise LcmException("Invalid configuration param '{}' at '[message]':'driver'".format(
+                    config["storage"]["driver"]))
+        except (DbException, FsException, MsgException) as e:
+            self.self.logger.critical(str(e), exc_info=True)
+            raise LcmException(str(e))
+
+    async def create_ns(self, nsr_id):
+        self.logger.debug("create_ns task nsr_id={} Enter".format(nsr_id))
+        nsr_lcm = {
+            "id": nsr_id,
+            "RO": {"vnfd_id": {}, "nsd_id": None, "nsr_id": None, "nsr_status": "SCHEDULED"},
+            "nsr_ip": {},
+            "VCA": {"TODO"},
+            "status": "BUILD",
+            "status_detailed": "",
+        }
+
+        deloyment_timeout = 120
+        try:
+            ns_request = self.db.get_one("ns_request", {"id": nsr_id})
+            nsd = self.db.get_one("nsd", {"id": ns_request["nsd_id"]})
+            RO = ROclient.ROClient(self.loop, endpoint_url=self.ro_url, tenant=self.ro_tenant,
+                                   datacenter=ns_request["vim"])
+            nsr_lcm["status_detailed"] = "Creating vnfd at RO"
+            # ns_request["constituent-vnfr-ref"] = []
+
+            self.db.create("nsr_lcm", nsr_lcm)
+
+            # get vnfds, instantiate at RO
+            self.logger.debug("create_ns task nsr_id={} RO VNFD".format(nsr_id))
+            for c_vnf in nsd["constituent-vnfd"]:
+                vnfd_id = c_vnf["vnfd-id-ref"]
+                vnfd = self.db.get_one("vnfd", {"id": vnfd_id})
+                vnfd.pop("_admin", None)
+                vnfd.pop("_id", None)
+                # vnfr = deepcopy(vnfd)
+                # vnfr["member-vnf-index"] = c_vnf["member-vnf-index"]
+                # vnfr["nsr-id"] = nsr_id
+                # vnfr["id"] = uuid4()
+                # vnfr["vnf-id"] = vnfd["id"]
+                # ns_request["constituent-vnfr-ref"],append(vnfd_id)
+
+                # TODO change id for RO in case it is present
+                try:
+                    desc = await RO.create("vnfd", descriptor=vnfd)
+                    nsr_lcm["RO"]["vnfd_id"][vnfd_id] = desc["uuid"]
+                    self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+                except ROclient.ROClientException as e:
+                    if e.http_code == 409:  # conflict, vnfd already present
+                        print("debug", e)
+                    else:
+                        raise
+
+                # db_new("vnfr", vnfr)
+                # db_update("ns_request", nsr_id, ns_request)
+
+            # create nsd at RO
+            self.logger.debug("create_ns task nsr_id={} RO NSD".format(nsr_id))
+            nsr_lcm["status_detailed"] = "Creating nsd at RO"
+            nsd_id = ns_request["nsd_id"]
+            nsd = self.db.get_one("nsd", {"id": nsd_id})
+            nsd.pop("_admin", None)
+            nsd.pop("_id", None)
+            try:
+                desc = await RO.create("nsd", descriptor=nsd)
+                nsr_lcm["RO"]["nsd_id"] = desc["uuid"]
+                self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+            except ROclient.ROClientException as e:
+                if e.http_code == 409:  # conflict, nsd already present
+                    print("debug", e)
+                else:
+                    raise
+
+            # Crate ns at RO
+            self.logger.debug("create_ns task nsr_id={} RO NS".format(nsr_id))
+            nsr_lcm["status_detailed"] = "Creating ns at RO"
+            desc = await RO.create("ns", name=ns_request["name"], datacenter=ns_request["vim"], scenario=nsr_lcm["RO"]["nsd_id"])
+            RO_nsr_id = desc["uuid"]
+            nsr_lcm["RO"]["nsr_id"] = RO_nsr_id
+            nsr_lcm["RO"]["nsr_status"] = "BUILD"
+            self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+
+            # wait until NS is ready
+            deloyment_timeout = 600
+            while deloyment_timeout > 0:
+                ns_status_detailed = "Waiting ns ready at RO"
+                nsr_lcm["status_detailed"] = ns_status_detailed
+                desc = await RO.show("ns", RO_nsr_id)
+                ns_status, ns_status_info = RO.check_ns_status(desc)
+                nsr_lcm["RO"]["nsr_status"] = ns_status
+                if ns_status == "ERROR":
+                    raise ROclient.ROClientException(ns_status_info)
+                elif ns_status == "BUILD":
+                    nsr_lcm["status_detailed"] = ns_status_detailed + "; nsr_id: '{}', {}".format(nsr_id, ns_status_info)
+                elif ns_status == "ACTIVE":
+                    nsr_lcm["nsr_ip"] = RO.get_ns_vnf_ip(desc)
+                    break
+                else:
+                    assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
+
+                await asyncio.sleep(5, loop=self.loop)
+                deloyment_timeout -= 5
+            if deloyment_timeout <= 0:
+                raise ROclient.ROClientException("Timeot wating ns to be ready")
+            nsr_lcm["status_detailed"] = "Configuring vnfr"
+            self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+
+            #for nsd in nsr_lcm["descriptors"]["nsd"]:
+
+            self.logger.debug("create_ns task nsr_id={} VCA look for".format(nsr_id))
+            for c_vnf in nsd["constituent-vnfd"]:
+                vnfd_id = c_vnf["vnfd-id-ref"]
+                vnfd_index = int(c_vnf["member-vnf-index"])
+                vnfd = self.db.get_one("vnfd", {"id": vnfd_id})
+                if vnfd.get("vnf-configuration") and vnfd["vnf-configuration"].get("juju"):
+                    proxy_charm = vnfd["vnf-configuration"]["juju"]["charm"]
+                    config_primitive = vnfd["vnf-configuration"].get("config-primitive")
+                    # get parameters for juju charm
+                    base_folder = vnfd["_admin"]["storage"]
+                    path = base_folder + "/charms/" + proxy_charm
+                    mgmt_ip = nsr_lcm['nsr_ip'][vnfd_index]
+                    # TODO launch VCA charm
+                    # task = asyncio.ensure_future(DeployCharm(self.loop, path, mgmt_ip, config_primitive))
+            nsr_lcm["status"] = "DONE"
+            self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+
+            return nsr_lcm
+
+        except (ROclient.ROClientException, Exception) as e:
+            self.logger.debug("create_ns nsr_id={} Exception {}".format(nsr_id, e), exc_info=True)
+            nsr_lcm["status"] = "ERROR"
+            nsr_lcm["status_detailed"] += ": ERROR {}".format(e)
+        finally:
+            self.logger.debug("create_ns task nsr_id={} Exit".format(nsr_id))
+
+
+    async def delete_ns(self, nsr_id):
+        self.logger.debug("delete_ns task nsr_id={} Enter".format(nsr_id))
+        nsr_lcm = self.db.get_one("nsr_lcm", {"id": nsr_id})
+        ns_request = self.db.get_one("ns_request", {"id": nsr_id})
+
+        nsr_lcm["status"] = "DELETING"
+        nsr_lcm["status_detailed"] = "Deleting charms"
+        self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+        # TODO destroy VCA charm
+
+        # remove from RO
+        RO = ROclient.ROClient(self.loop, endpoint_url=self.ro_url, tenant=self.ro_tenant,
+                               datacenter=ns_request["vim"])
+        # Delete ns
+        try:
+            RO_nsr_id = nsr_lcm["RO"]["nsr_id"]
+            if RO_nsr_id:
+                nsr_lcm["status_detailed"] = "Deleting ns at RO"
+                desc = await RO.delete("ns", RO_nsr_id)
+                print("debug", "deleted RO ns {}".format(RO_nsr_id))
+                nsr_lcm["RO"]["nsr_id"] = None
+                nsr_lcm["RO"]["nsr_status"] = "DELETED"
+                self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+        except ROclient.ROClientException as e:
+            if e.http_code == 404:
+                nsr_lcm["RO"]["nsr_id"] = None
+                nsr_lcm["RO"]["nsr_status"] = "DELETED"
+                self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+                print("warning", e)
+            else:
+                print("error", e)
+
+        # Delete nsd
+        try:
+            RO_nsd_id = nsr_lcm["RO"]["nsd_id"]
+            if RO_nsd_id:
+                nsr_lcm["status_detailed"] = "Deleting nsd at RO"
+                desc = await RO.delete("nsd", RO_nsd_id)
+                print("debug", "deleted RO nsd {}".format(RO_nsd_id))
+                nsr_lcm["RO"]["nsd_id"] = None
+                self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+        except ROclient.ROClientException as e:
+            if e.http_code == 404:
+                nsr_lcm["RO"]["nsd_id"] = None
+                print("warning", e)
+            else:
+                print("error", e)
+
+        for vnf_id, RO_vnfd_id in nsr_lcm["RO"]["vnfd_id"].items():
+            try:
+                if RO_vnfd_id:
+                    nsr_lcm["status_detailed"] = "Deleting vnfd at RO"
+                    desc = await RO.delete("vnfd", RO_vnfd_id)
+                    print("debug", "deleted RO vnfd {}".format(RO_vnfd_id))
+                    nsr_lcm["RO"]["vnfd_id"][vnf_id] = None
+                    self.db.replace("nsr_lcm", {"id": nsr_id}, nsr_lcm)
+            except ROclient.ROClientException as e:
+                if e.http_code == 404:
+                    nsr_lcm["RO"]["vnfd_id"][vnf_id] = None
+                    print("warning", e)
+                else:
+                    print("error", e)
+        self.logger.debug("delete_ns task nsr_id={} Exit".format(nsr_id))
+
+
+    async def test(self, param=None):
+        self.logger.debug("Starting/Ending test task: {}".format(param))
+
+
+    def cancel_tasks(self, nsr_id):
+        """
+        Cancel all active tasks of a concrete nsr identified for nsr_id
+        :param nsr_id:  nsr identity
+        :return: None, or raises an exception if not possible
+        """
+        if not self.lcm_tasks.get(nsr_id):
+            return
+        for order_id, tasks_set in self.lcm_tasks[nsr_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] = {}
+
+
+
+    async def read_kafka(self):
+        self.logger.debug("kafka task Enter")
+        order_id = 1
+        # future = asyncio.Future()
+
+        while True:
+            command, params = await self.msg.aioread(self.loop, "ns")
+            order_id += 1
+            if command == "exit":
+                print("Bye!")
+                break
+            elif command.startswith("#"):
+                continue
+            elif command == "echo":
+                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))
+                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))
+                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":
+                nsr_id = params.strip()
+                nsr_lcm = self.db.get_one("nsr_lcm", {"id": nsr_id})
+                print("nsr_lcm", nsr_lcm)
+                print("self.lcm_tasks", self.lcm_tasks.get(nsr_id))
+            else:
+                self.logger.debug("unknown command '{}'".format(command))
+                print("Usage:\n  echo: <>\n  create: <ns1|ns2>\n  delete: <ns1|ns2>\n  show: <ns1|ns2>")
+        self.logger.debug("kafka task Exit")
+
+
+    def start(self):
+        self.loop = asyncio.get_event_loop()
+        self.loop.run_until_complete(self.read_kafka())
+        self.loop.close()
+        self.loop = None
+
+
+def read_config_file(config_file):
+    # TODO make a [ini] + yaml inside parser
+    # the configparser library is not suitable, because it does not admit comments at the end of line,
+    # and not parse integer or boolean
+    try:
+        with open(config_file) as f:
+            conf = yaml.load(f)
+        # TODO insert envioronment
+        # for k, v in environ.items():
+        #    if k.startswith("OSMLCM_"):
+        # split _ lower add to config
+        return conf
+    except Exception as e:
+        self.logger.critical("At config file '{}': {}".format(config_file, e))
+
+
+
+if __name__ == '__main__':
+
+    config_file = "lcm.cfg"
+    conf = read_config_file(config_file)
+    lcm = Lcm(conf)
+
+    # FOR TEST
+    RO_VIM = "OST2_MRT"
+
+    #FILL DATABASE
+    with open("/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/ping_vnf/src/ping_vnfd.yaml") as f:
+        vnfd = yaml.load(f)
+        vnfd_clean, _ = ROclient.remove_envelop("vnfd", vnfd)
+        vnfd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/ping_vnf"}
+        lcm.db.create("vnfd", vnfd_clean)
+    with open("/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/pong_vnf/src/pong_vnfd.yaml") as f:
+        vnfd = yaml.load(f)
+        vnfd_clean, _ = ROclient.remove_envelop("vnfd", vnfd)
+        vnfd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/vnfd/pong_vnf"}
+        lcm.db.create("vnfd", vnfd_clean)
+    with open("/home/atierno/OSM/osm/devops/descriptor-packages/nsd/ping_pong_ns/src/ping_pong_nsd.yaml") as f:
+        nsd = yaml.load(f)
+        nsd_clean, _ = ROclient.remove_envelop("nsd", nsd)
+        nsd_clean["_admin"] = {"storage": "/home/atierno/OSM/osm/devops/descriptor-packages/nsd/ping_pong_ns"}
+        lcm.db.create("nsd", nsd_clean)
+
+    ns_request = {
+        "id": "ns1",
+        "nsr_id": "ns1",
+        "name": "pingpongOne",
+        "vim": RO_VIM,
+        "nsd_id": nsd_clean["id"],  # nsd_ping_pong
+    }
+    lcm.db.create("ns_request", ns_request)
+    ns_request = {
+        "id": "ns2",
+        "nsr_id": "ns2",
+        "name": "pingpongTwo",
+        "vim": RO_VIM,
+        "nsd_id": nsd_clean["id"],  # nsd_ping_pong
+    }
+    lcm.db.create("ns_request", ns_request)
+
+    lcm.start()
+
+
+