Update from master part 2

Squashed commit of the following:

commit 364627c364a86a85696781766326dd690a362bc4
Author: vegall <lvega@whitestack.com>
Date:   Fri Mar 17 15:09:50 2023 +0000

    Feature 10972: Support of volume multi-attach

    Change-Id: I6e88ee52e5e882dbb4ec7d66cf648fbe07d40509
    Signed-off-by: vegall <lvega@whitestack.com>

commit 0e51779fd37dc5c12f3bd19d78f7341ed0a67b7a
Author: gifrerenom <lluis.gifre@cttc.es>
Date:   Tue Apr 18 16:38:42 2023 +0000

    Feature 10937: Transport API (TAPI) WIM connector for RO

    Change-Id: If0dac9f8ba2d00945eb86a89fb0b2f174c672794
    Signed-off-by: gifrerenom <lluis.gifre@cttc.es>

commit 370e36bafdcb90f212e289b87290f39be141b3d4
Author: elumalai <deepika.e@tataelxsi.co.in>
Date:   Tue Apr 25 16:22:56 2023 +0530

    Feature 10979: Static IPv6 Dual Stack Assignment

    Added support for static dual stack IP assignment

    Change-Id: Ief10ae955fb870a3417f68e1c5f7bda570cb6470
    Signed-off-by: elumalai <deepika.e@tataelxsi.co.in>

commit b1bc66933aa392b9d7518f7cebc711700335389c
Author: Gabriel Cuba <gcuba@whitestack.com>
Date:   Fri Aug 19 18:23:00 2022 -0500

    Fix Bug 2098: Get VDUs from VNFR when Heal op has no additionalPrameters

    When Heal is requested without vdu or count-index parameters, RO will recreate all VDUs from VNFR

    Change-Id: Idf2cf158bcb33e7b0c307298c14504cc7aa77e2a
    Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>
    (cherry picked from commit 2fbb3a264e4117f4a6569fede6558836d67ac4a4)

commit aba1518f487b4b65861eb30f553c4edb72ad972e
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Mon May 15 11:55:13 2023 +0300

    Fix VimAdminThread run method

    The run_coroutine_threadsafe() function is used to schedule a coroutine object from a different thread and returns a concurrent.futures.Future.
    run_coroutine_threadsafe is unnecessary to run the main task and replaced with asyncio.run().

    Change-Id: I8ea31828a9798140d596165443bdf26659b4eef8
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

commit f17e5bb6b6da4432628dd65ce9ad633e6441f67c
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Wed May 10 22:52:57 2023 +0300

    Minor updates in Dockerfile

    Change-Id: I79b43654d181f6976a4e544d58fb92aa1b67e760
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

commit a264b7a460b28d7454fc95fe659da46f55b0c155
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Tue May 9 14:57:22 2023 +0300

    Ubuntu 22.04 and Python 3.10 preparation

    Change-Id: I87164827a8849c16b5e3a804d9673a578e5a5593
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

commit 1c89c08a0dd1c79b5adff3ac1cc123239762e06a
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Tue Apr 18 15:06:30 2023 +0200

    Clean stage-archive.sh and use allowlist_extenals in tox.ini

    Change-Id: I18f0bc3e263063b5b1d2cf211f028f6bb0e4bceb
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

commit 51e72a0f7479b3064b4b11891eb524d42f4738b0
Author: elumalai <deepika.e@tataelxsi.co.in>
Date:   Fri Apr 28 19:41:49 2023 +0530

    Coverity CWE 330: Use of Insufficiently Random Values

    Added support to fix CWE 330: Use of Insufficiently Random Values
    Coverity issue

    Change-Id: Ib12ebeeb9b0cc10af9980fe8661eb6230c2f6d6d
    Signed-off-by: elumalai <deepika.e@tataelxsi.co.in>

commit e17cd946aed699b5feca83d37591d04f129a8f52
Author: elumalai <deepika.e@tataelxsi.co.in>
Date:   Fri Apr 28 18:04:24 2023 +0530

    Coverity CWE 688: Function Call With Incorrect Variable or Reference as Argument

    Added fix for CWE 688 Typo in Identifier

    Change-Id: I53b5142451b809be638d73626265531057722169
    Signed-off-by: elumalai <deepika.e@tataelxsi.co.in>

commit 730cfaff466fb3c9b1446ecef5213916195ff861
Author: Gabriel Cuba <gcuba@whitestack.com>
Date:   Mon Mar 13 22:26:38 2023 -0500

    Feature 10975: get flavor-id from additionalParams if specified

    Change-Id: I1c9b1ec43c80f3793b475187681f4c2005d77375
    Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>

commit 2d3f63b055e6a38e95bcff56a8ddef32767b11ef
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Tue Apr 11 10:08:26 2023 +0200

    Update stage-build to run tox sequentially

    Change-Id: I967f19a8c35700290e93c9d8bd863b63b7c2d239
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
    (cherry picked from commit ea063c7a6ae6a5d7e11e8c22f9707d5c8f674ac7)

commit b3dbfcad6f4b2bebc9ebc20fd7129a18879cb20c
Author: Gabriel Cuba <gcuba@whitestack.com>
Date:   Tue Mar 14 10:58:39 2023 -0500

    Feature 10978: Add support of ipv6_address_mode and ipv6_ra_mode to openstack connector

    Change-Id: I8ca741a215bd2c52999dee1ea301d4e02aafcb24
    Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>

commit 01619d5b596e01ac8cd6d27bf01a1174e6b3f97b
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Wed Mar 22 22:57:26 2023 +0300

    Keep vim_details while reporting VM deletion

    Change-Id: I27577b2fc93a585affc947abcec8352562f23f49
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

commit 98740c03567ff8c5a22f06fd3f049248a9e5f98d
Author: Pedro Escaleira <escaleira@av.it.pt>
Date:   Wed Feb 22 10:48:52 2023 +0000

    Bug 2217 fixed: modified the cloud-init merge configs and defined the default SSH keys within the system_info instead of users

    Change-Id: I12e26a88fb9b50c4a78b9fa8ee2cb5d4b4bf6d00
    Signed-off-by: Pedro Escaleira <escaleira@av.it.pt>

commit d586d89bde00acaf22debd7f657d605c9d095571
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Mon Feb 13 18:40:03 2023 +0300

    Feature 10960 Performance optimizations for the polling of VM status in RO

    Change-Id: If785bbeaab66e0839541bf94184ce37114e67bd4
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

commit 4c1dd54ae02e82f11a60058a1b7c7b0137ac572e
Author: Gabriel Cuba <gcuba@whitestack.com>
Date:   Tue Feb 14 12:43:32 2023 -0500

    Refactor ns.py so that RO uses the IP profile as it comes from LCM

    Change-Id: I36983c86d7c76ad8a9b93eb6eae254f844717e0e
    Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>

commit 3822010a26b2e21290b6acdf288db277c7f36605
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Mon Feb 13 17:48:32 2023 +0100

    Fix bug 2216 to remove hardcoded numa affinity in VIO

    Change-Id: I0912c2841e7c5c1febe056ba092afedaea77f6a1
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

commit 778f3cc8c052bd17d0da32f07b880616d25f935a
Author: Lovejeet Singh <lovejeet.singh@hsc.com>
Date:   Mon Feb 13 16:15:40 2023 +0530

    Bug 2202: Adding support for cinder V3 API with V2 API for persistent volumes.

    Change-Id: I7034564b91b94e6be242cb2ce0f4a5b147b87d64
    Signed-off-by: Lovejeet Singh <lovejeet.singh@hsc.com>

Change-Id: I7ac1bd1d9896788812f456c678b1f5222a1f1ad6
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>
diff --git a/RO-SDN-tapi/osm_rosdn_tapi/tapi_client.py b/RO-SDN-tapi/osm_rosdn_tapi/tapi_client.py
new file mode 100644
index 0000000..ad5f9f3
--- /dev/null
+++ b/RO-SDN-tapi/osm_rosdn_tapi/tapi_client.py
@@ -0,0 +1,240 @@
+# -*- coding: utf-8 -*-
+
+#######################################################################################
+# This file is part of OSM RO module
+#
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#######################################################################################
+# This work has been performed in the context of the TeraFlow Project -
+# funded by the European Commission under Grant number 101015857 through the
+# Horizon 2020 program.
+# Contributors:
+# - Lluis Gifre <lluis.gifre@cttc.es>
+# - Ricard Vilalta <ricard.vilalta@cttc.es>
+#######################################################################################
+
+"""This file contains the TransportApiClient class used by the Transport API
+(TAPI) WIM connector to interact with the underlying WIM."""
+
+import requests
+
+from .exceptions import (
+    WimTapiConnectivityServiceCreateFailed,
+    WimTapiConnectivityServiceDeleteFailed,
+    WimTapiConnectivityServiceGetStatusFailed,
+    WimTapiServerNotAvailable,
+    WimTapiServerRequestFailed,
+)
+from .log_messages import (
+    LOG_MSG_CREATE_REPLY,
+    LOG_MSG_CREATE_REQUEST,
+    LOG_MSG_DELETE_REPLY,
+    LOG_MSG_DELETE_REQUEST,
+    LOG_MSG_GET_STATUS_REPLY,
+    LOG_MSG_GET_STATUS_REQUEST,
+)
+from .message_composers import (
+    compose_create_request,
+    compose_delete_request,
+)
+
+DEFAULT_TIMEOUT = 30
+
+SUCCESS_HTTP_CODES = {
+    requests.codes.ok,  # pylint: disable=no-member
+    requests.codes.created,  # pylint: disable=no-member
+    requests.codes.accepted,  # pylint: disable=no-member
+    requests.codes.no_content,  # pylint: disable=no-member
+}
+
+RESTCONF_DATA_URL = "{:s}/restconf/data"
+RESTCONF_OPER_URL = "{:s}/restconf/operations"
+
+CONTEXT_URL = RESTCONF_DATA_URL + "/tapi-common:context"
+CTX_SIPS_URL = CONTEXT_URL + "/service-interface-point"
+CONN_CTX_URL = CONTEXT_URL + "/tapi-connectivity:connectivity-context"
+CONN_SVC_URL = CONN_CTX_URL + "/connectivity-service"
+DELETE_URL = RESTCONF_OPER_URL + "/tapi-connectivity:delete-connectivity-service"
+
+
+class TransportApiClient:
+    def __init__(self, logger, wim, wim_account, config) -> None:
+        self.logger = logger
+        self.wim_url = wim["wim_url"]
+
+        user = wim_account.get("user")
+        password = wim_account.get("password")
+        self.auth = (
+            None
+            if user is None or user == "" or password is None or password == ""
+            else (user, password)
+        )
+
+        self.headers = {"Content-Type": "application/json"}
+        self.timeout = int(config.get("timeout", DEFAULT_TIMEOUT))
+
+    def get_root_context(self):
+        context_url = CONTEXT_URL.format(self.wim_url)
+
+        try:
+            response = requests.get(
+                context_url, auth=self.auth, headers=self.headers, timeout=self.timeout
+            )
+            http_code = response.status_code
+        except requests.exceptions.RequestException as e:
+            raise WimTapiServerNotAvailable(str(e))
+
+        if http_code != 200:
+            raise WimTapiServerRequestFailed(
+                "Unexpected status code", http_code=http_code
+            )
+
+        return response.json()
+
+    def get_service_interface_points(self):
+        get_sips_url = CTX_SIPS_URL.format(self.wim_url)
+
+        try:
+            response = requests.get(
+                get_sips_url, auth=self.auth, headers=self.headers, timeout=self.timeout
+            )
+            http_code = response.status_code
+        except requests.exceptions.RequestException as e:
+            raise WimTapiServerNotAvailable(str(e))
+
+        if http_code != 200:
+            raise WimTapiServerRequestFailed(
+                "Unexpected status code", http_code=http_code
+            )
+
+        response = response.json()
+        response = response.get("tapi-common:service-interface-point", [])
+        return {sip["uuid"]: sip for sip in response}
+
+    def get_service_status(self, name, service_uuid):
+        self.logger.debug(LOG_MSG_GET_STATUS_REQUEST.format(name, service_uuid))
+
+        try:
+            services_url = CONN_SVC_URL.format(self.wim_url)
+            response = requests.get(
+                services_url, auth=self.auth, headers=self.headers, timeout=self.timeout
+            )
+            self.logger.debug(
+                LOG_MSG_GET_STATUS_REPLY.format(
+                    name, service_uuid, response.status_code, response.text
+                )
+            )
+        except requests.exceptions.ConnectionError as e:
+            status_code = e.response.status_code if e.response is not None else 500
+            content = e.response.text if e.response is not None else ""
+            raise WimTapiConnectivityServiceGetStatusFailed(
+                name, service_uuid, status_code, content
+            )
+
+        if response.status_code not in SUCCESS_HTTP_CODES:
+            raise WimTapiConnectivityServiceGetStatusFailed(
+                name, service_uuid, response.status_code, response.text
+            )
+
+        json_response = response.json()
+        connectivity_services = json_response.get(
+            "tapi-connectivity:connectivity-service", []
+        )
+        connectivity_service = next(
+            iter(
+                [
+                    connectivity_service
+                    for connectivity_service in connectivity_services
+                    if connectivity_service.get("uuid") == service_uuid
+                ]
+            ),
+            None,
+        )
+
+        if connectivity_service is None:
+            service_status = {"sdn_status": "ERROR"}
+        else:
+            service_status = {"sdn_status": "ACTIVE"}
+        return service_status
+
+    def create_service(
+        self,
+        name,
+        service_uuid,
+        service_endpoints,
+        bidirectional=False,
+        requested_capacity=None,
+        vlan_constraint=None,
+    ):
+        request_create = compose_create_request(
+            service_uuid,
+            service_endpoints,
+            bidirectional=bidirectional,
+            requested_capacity=requested_capacity,
+            vlan_constraint=vlan_constraint,
+        )
+        self.logger.debug(
+            LOG_MSG_CREATE_REQUEST.format(name, service_uuid, str(request_create))
+        )
+
+        try:
+            create_url = CONN_CTX_URL.format(self.wim_url)
+            response = requests.post(
+                create_url, headers=self.headers, json=request_create, auth=self.auth
+            )
+            self.logger.debug(
+                LOG_MSG_CREATE_REPLY.format(
+                    name, service_uuid, response.status_code, response.text
+                )
+            )
+        except requests.exceptions.ConnectionError as e:
+            status_code = e.response.status_code if e.response is not None else 500
+            content = e.response.text if e.response is not None else ""
+            raise WimTapiConnectivityServiceCreateFailed(
+                name, service_uuid, status_code, content
+            )
+
+        if response.status_code not in SUCCESS_HTTP_CODES:
+            raise WimTapiConnectivityServiceCreateFailed(
+                name, service_uuid, response.status_code, response.text
+            )
+
+    def delete_service(self, name, service_uuid):
+        request_delete = compose_delete_request(service_uuid)
+        self.logger.debug(
+            LOG_MSG_DELETE_REQUEST.format(name, service_uuid, str(request_delete))
+        )
+
+        try:
+            delete_url = DELETE_URL.format(self.wim_url)
+            response = requests.post(
+                delete_url, headers=self.headers, json=request_delete, auth=self.auth
+            )
+            self.logger.debug(
+                LOG_MSG_DELETE_REPLY.format(
+                    name, service_uuid, response.status_code, response.text
+                )
+            )
+        except requests.exceptions.ConnectionError as e:
+            status_code = e.response.status_code if e.response is not None else 500
+            content = e.response.text if e.response is not None else ""
+            raise WimTapiConnectivityServiceDeleteFailed(
+                name, service_uuid, status_code, content
+            )
+
+        if response.status_code not in SUCCESS_HTTP_CODES:
+            raise WimTapiConnectivityServiceDeleteFailed(
+                name, service_uuid, response.status_code, response.text
+            )