Update from master

Squashed commit of the following:

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: Ie85ab8100feb93ba059def8cceafbe646e32b1a6
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>
diff --git a/RO-plugin/osm_ro_plugin/vim_dummy.py b/RO-plugin/osm_ro_plugin/vim_dummy.py
index fbc6bfe..dc0e00e 100644
--- a/RO-plugin/osm_ro_plugin/vim_dummy.py
+++ b/RO-plugin/osm_ro_plugin/vim_dummy.py
@@ -22,7 +22,7 @@
 
 from copy import deepcopy
 import logging
-from random import randrange
+from random import SystemRandom
 from uuid import uuid4
 
 from osm_ro_plugin import vimconn
@@ -379,8 +379,10 @@
             if iface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH") and self.config.get(
                 "sdn-port-mapping"
             ):
-                compute_index = randrange(len(self.config["sdn-port-mapping"]))
-                port_index = randrange(
+                compute_index = SystemRandom().randrange(
+                    len(self.config["sdn-port-mapping"])
+                )
+                port_index = SystemRandom().randrange(
                     len(self.config["sdn-port-mapping"][compute_index]["ports"])
                 )
                 interface["compute_node"] = self.config["sdn-port-mapping"][
diff --git a/RO-plugin/osm_ro_plugin/vimconn.py b/RO-plugin/osm_ro_plugin/vimconn.py
index f526aef..b251d59 100644
--- a/RO-plugin/osm_ro_plugin/vimconn.py
+++ b/RO-plugin/osm_ro_plugin/vimconn.py
@@ -293,13 +293,32 @@
         userdata = None
         userdata_list = []
 
+        # For more information, check https://cloudinit.readthedocs.io/en/latest/reference/merging.html
+        # Basically, with this, we don't override the provider's cloud config
+        merge_how = yaml.safe_dump(
+            {
+                "merge_how": [
+                    {
+                        "name": "list",
+                        "settings": ["append", "recurse_dict", "recurse_list"],
+                    },
+                    {
+                        "name": "dict",
+                        "settings": ["no_replace", "recurse_list", "recurse_dict"],
+                    },
+                ]
+            },
+            indent=4,
+            default_flow_style=False,
+        )
+
         if isinstance(cloud_config, dict):
             if cloud_config.get("user-data"):
                 if isinstance(cloud_config["user-data"], str):
-                    userdata_list.append(cloud_config["user-data"])
+                    userdata_list.append(cloud_config["user-data"] + f"\n{merge_how}")
                 else:
                     for u in cloud_config["user-data"]:
-                        userdata_list.append(u)
+                        userdata_list.append(u + f"\n{merge_how}")
 
             if cloud_config.get("boot-data-drive") is not None:
                 config_drive = cloud_config["boot-data-drive"]
@@ -314,12 +333,12 @@
                 # default user
                 if cloud_config.get("key-pairs"):
                     userdata_dict["ssh-authorized-keys"] = cloud_config["key-pairs"]
-                    userdata_dict["users"] = [
-                        {
-                            "default": None,
-                            "ssh-authorized-keys": cloud_config["key-pairs"],
+                    userdata_dict["system_info"] = {
+                        "default_user": {
+                            "ssh_authorized_keys": cloud_config["key-pairs"],
                         }
-                    ]
+                    }
+                    userdata_dict["users"] = ["default"]
 
                 if cloud_config.get("users"):
                     if "users" not in userdata_dict:
@@ -358,6 +377,7 @@
                 userdata_list.append(
                     "#cloud-config\n"
                     + yaml.safe_dump(userdata_dict, indent=4, default_flow_style=False)
+                    + f"\n{merge_how}"
                 )
             userdata = self._create_mimemultipart(userdata_list)
             self.logger.debug("userdata: %s", userdata)