diff --git a/odoo_openupgrade_wizard/cli.py b/odoo_openupgrade_wizard/cli.py
index f6e0310..9be7cd2 100644
--- a/odoo_openupgrade_wizard/cli.py
+++ b/odoo_openupgrade_wizard/cli.py
@@ -1,12 +1,16 @@
 import datetime
+import logging
+import sys
 from pathlib import Path
 
 import click
 import yaml
+from click_loglevel import LogLevel
 from loguru import logger
 
 import odoo_openupgrade_wizard
 from odoo_openupgrade_wizard.cli_docker_build import docker_build
+from odoo_openupgrade_wizard.cli_execute_script import execute_script
 from odoo_openupgrade_wizard.cli_get_code import get_code
 from odoo_openupgrade_wizard.cli_init import init
 from odoo_openupgrade_wizard.cli_run import run
@@ -18,7 +22,6 @@ from odoo_openupgrade_wizard.tools_system import ensure_folder_exists
 @click.group()
 @click.version_option(version=odoo_openupgrade_wizard.__version__)
 @click.option(
-    "-ef",
     "--env-folder",
     default="./",
     type=click.Path(
@@ -33,19 +36,21 @@ from odoo_openupgrade_wizard.tools_system import ensure_folder_exists
     " use current folder (./).",
 )
 @click.option(
-    "-fs",
     "--filestore-folder",
     type=click.Path(dir_okay=True, file_okay=False, resolve_path=True),
     help="Folder that contains the Odoo filestore of the database(s)"
     " to migrate. Let empty to use the subfolder 'filestore' of the"
     " environment folder.",
 )
+@click.option("-l", "--log-level", type=LogLevel(), default=logging.INFO)
 @click.pass_context
-def main(ctx, env_folder, filestore_folder):
+def main(ctx, env_folder, filestore_folder, log_level):
     """
     Provides a command set to perform odoo Community Edition migrations.
     """
     date_begin = datetime.datetime.now()
+    logger.remove()
+    logger.add(sys.stderr, level=log_level)
     logger.debug("Beginning script '%s' ..." % (ctx.invoked_subcommand))
     if not isinstance(ctx.obj, dict):
         ctx.obj = {}
@@ -97,4 +102,5 @@ main.add_command(get_code)
 main.add_command(docker_build)
 main.add_command(run)
 main.add_command(upgrade)
+main.add_command(execute_script)
 main.add_command(test_dev)
diff --git a/odoo_openupgrade_wizard/cli_execute_script.py b/odoo_openupgrade_wizard/cli_execute_script.py
new file mode 100644
index 0000000..8804086
--- /dev/null
+++ b/odoo_openupgrade_wizard/cli_execute_script.py
@@ -0,0 +1,21 @@
+import click
+
+from odoo_openupgrade_wizard.cli_options import (
+    database_option_required,
+    get_migration_step_from_options,
+    step_option,
+)
+from odoo_openupgrade_wizard.tools_odoo import (
+    execute_python_files_post_migration,
+)
+
+
+@click.command()
+@step_option
+@database_option_required
+@click.pass_context
+def execute_script(ctx, step, database):
+
+    migration_step = get_migration_step_from_options(ctx, step)
+
+    execute_python_files_post_migration(ctx, database, migration_step)
diff --git a/odoo_openupgrade_wizard/cli_run.py b/odoo_openupgrade_wizard/cli_run.py
index 73949b8..ed8fe03 100644
--- a/odoo_openupgrade_wizard/cli_run.py
+++ b/odoo_openupgrade_wizard/cli_run.py
@@ -7,6 +7,7 @@ from odoo_openupgrade_wizard.cli_options import (
     step_option,
 )
 from odoo_openupgrade_wizard.tools_odoo import kill_odoo, run_odoo
+from odoo_openupgrade_wizard.tools_odoo_instance import get_odoo_url
 
 
 @click.command()
@@ -40,8 +41,7 @@ def run(ctx, step, database, stop_after_init, init_modules):
         )
         if not stop_after_init:
             logger.info(
-                "Odoo is available on your host at http://localhost:%d"
-                % (ctx.obj["config"]["host_odoo_xmlrpc_port"])
+                "Odoo is available on your host at %s" % get_odoo_url(ctx)
             )
             input("Press 'Enter' to kill the odoo container and exit ...")
     except (KeyboardInterrupt, SystemExit):
diff --git a/odoo_openupgrade_wizard/cli_upgrade.py b/odoo_openupgrade_wizard/cli_upgrade.py
index 4936fcc..a9a149b 100644
--- a/odoo_openupgrade_wizard/cli_upgrade.py
+++ b/odoo_openupgrade_wizard/cli_upgrade.py
@@ -7,7 +7,11 @@ from odoo_openupgrade_wizard.cli_options import (
     get_migration_steps_from_options,
     last_step_option,
 )
-from odoo_openupgrade_wizard.tools_odoo import kill_odoo, run_odoo
+from odoo_openupgrade_wizard.tools_odoo import (
+    execute_python_files_post_migration,
+    kill_odoo,
+    run_odoo,
+)
 
 
 @click.command()
@@ -20,8 +24,8 @@ def upgrade(ctx, first_step, last_step, database):
     migration_steps = get_migration_steps_from_options(
         ctx, first_step, last_step
     )
-    try:
-        for migration_step in migration_steps:
+    for migration_step in migration_steps:
+        try:
             run_odoo(
                 ctx,
                 migration_step,
@@ -30,7 +34,8 @@ def upgrade(ctx, first_step, last_step, database):
                 update="all",
                 stop_after_init=True,
             )
-    except (KeyboardInterrupt, SystemExit):
-        logger.info("Received Keyboard Interrupt or System Exiting...")
-    finally:
-        kill_odoo(ctx, migration_step)
+        except (KeyboardInterrupt, SystemExit):
+            logger.info("Received Keyboard Interrupt or System Exiting...")
+        finally:
+            kill_odoo(ctx, migration_step)
+        execute_python_files_post_migration(ctx, database, migration_step)
diff --git a/odoo_openupgrade_wizard/templates.py b/odoo_openupgrade_wizard/templates.py
index af16a9c..2e4736c 100644
--- a/odoo_openupgrade_wizard/templates.py
+++ b/odoo_openupgrade_wizard/templates.py
@@ -106,7 +106,7 @@ USER odoo
 PRE_MIGRATION_SQL_TEMPLATE = ""
 
 POST_MIGRATION_PY_TEMPLATE = """
-def main(self, step):
+def main(self):
     pass
 """
 
diff --git a/odoo_openupgrade_wizard/tools_odoo.py b/odoo_openupgrade_wizard/tools_odoo.py
index e13e127..92cbfac 100644
--- a/odoo_openupgrade_wizard/tools_odoo.py
+++ b/odoo_openupgrade_wizard/tools_odoo.py
@@ -1,6 +1,11 @@
+import importlib.util
+import os
+import sys
+import traceback
 from pathlib import Path
 
 import yaml
+from loguru import logger
 
 from odoo_openupgrade_wizard.configuration_version_dependant import (
     get_base_module_folder,
@@ -10,6 +15,7 @@ from odoo_openupgrade_wizard.configuration_version_dependant import (
     skip_addon_path,
 )
 from odoo_openupgrade_wizard.tools_docker import kill_container, run_container
+from odoo_openupgrade_wizard.tools_odoo_instance import OdooInstance
 
 
 def get_odoo_addons_path(ctx, root_path: Path, migration_step: dict) -> str:
@@ -37,6 +43,10 @@ def get_odoo_addons_path(ctx, root_path: Path, migration_step: dict) -> str:
     return ",".join([str(x) for x in addons_path])
 
 
+def get_script_folder(ctx, migration_step: dict) -> Path:
+    return ctx.obj["script_folder_path"] / migration_step["complete_name"]
+
+
 def get_odoo_env_path(ctx, odoo_version: dict) -> Path:
     folder_name = "env_%s" % str(odoo_version["release"]).rjust(4, "0")
     return ctx.obj["src_folder_path"] / folder_name
@@ -85,7 +95,6 @@ def generate_odoo_command(
     shell: bool,
     demo: bool,
 ) -> str:
-    # TODO, make it dynamic
     addons_path = get_odoo_addons_path(ctx, Path("/odoo_env"), migration_step)
     server_wide_modules = get_server_wide_modules(ctx, migration_step)
     server_wide_modules_cmd = (
@@ -176,3 +185,51 @@ def run_odoo(
 
 def kill_odoo(ctx, migration_step: dict):
     kill_container(get_docker_container_name(ctx, migration_step))
+
+
+def execute_python_files_post_migration(
+    ctx, database: str, migration_step: dict
+):
+    script_folder = get_script_folder(ctx, migration_step)
+
+    python_files = [
+        f
+        for f in os.listdir(script_folder)
+        if os.path.isfile(os.path.join(script_folder, f)) and f[-3:] == ".py"
+    ]
+    python_files = sorted(python_files)
+
+    try:
+        # Launch Odoo
+        run_odoo(
+            ctx,
+            migration_step,
+            detached_container=True,
+            database=database,
+        )
+
+        # Create Odoo instance via Odoo RPC
+        odoo_instance = OdooInstance(ctx, database)
+
+        for python_file in python_files:
+            # Generate Python Script
+            logger.info("Running Script Post (Python) %s" % python_file)
+            package_name = "script.%s.%s" % (
+                migration_step["complete_name"],
+                python_file[:-3],
+            )
+            module_spec = importlib.util.spec_from_file_location(
+                package_name, Path(script_folder, python_file)
+            )
+            module = importlib.util.module_from_spec(module_spec)
+            module_spec.loader.exec_module(module)
+
+            module.main(odoo_instance)
+    except Exception as e:
+        logger.error(
+            "An error occured. Exiting. %s\n%s"
+            % (e, traceback.print_exception(*sys.exc_info()))
+        )
+        raise e
+    finally:
+        kill_odoo(ctx, migration_step)
diff --git a/odoo_openupgrade_wizard/tools_odoo_instance.py b/odoo_openupgrade_wizard/tools_odoo_instance.py
new file mode 100644
index 0000000..5e73426
--- /dev/null
+++ b/odoo_openupgrade_wizard/tools_odoo_instance.py
@@ -0,0 +1,190 @@
+import socket
+import time
+
+import odoorpc
+from loguru import logger
+
+
+def get_odoo_url(ctx) -> str:
+    return "http://localhost:%d" % (ctx.obj["config"]["host_odoo_xmlrpc_port"])
+
+
+class OdooInstance:
+
+    env = False
+    version = False
+
+    # constructeur de la classe
+    def __init__(self, ctx, database):
+        # TODO, improve me waith for response on http://localhost:port
+        # with a time out
+        # the docker container take a little time to be up.
+        time.sleep(2)
+
+        # Connection
+        try:
+            rpc_connexion = odoorpc.ODOO(
+                "localhost",
+                "jsonrpc",
+                port=ctx.obj["config"]["host_odoo_xmlrpc_port"],
+                timeout=60,
+            )
+        except (socket.gaierror, socket.error) as e:
+            logger.critical("Unable to connect to the server.")
+            raise e
+
+        # Login
+        try:
+            rpc_connexion.login(
+                database,
+                "admin",
+                "admin",
+            )
+        except Exception as e:
+            logger.error(
+                "Unable to connect to %s with login %s and password %s"
+                % (
+                    get_odoo_url(ctx),
+                    "admin",
+                    "admin",
+                )
+            )
+            raise e
+
+        self.env = rpc_connexion.env
+        self.version = rpc_connexion.version
+
+    def browse_by_search(
+        self, model_name, domain=False, order=False, limit=False
+    ):
+        domain = domain or []
+        model = self.env[model_name]
+        return model.browse(model.search(domain, order=order, limit=limit))
+
+    def browse_by_create(self, model_name, vals):
+        model = self.env[model_name]
+        return model.browse(model.create(vals))
+
+    def check_modules_installed(self, module_names) -> bool:
+        if type(module_names) == str:
+            module_names = [module_names]
+        installed_module_ids = self.env["ir.module.module"].search(
+            [
+                ("name", "in", module_names),
+                ("state", "=", "installed"),
+            ]
+        )
+        return len(module_names) == len(installed_module_ids)
+
+    def check_models_present(
+        self, model_name, warning_if_not_found=True
+    ) -> bool:
+        if self.env["ir.model"].search([("model", "=", model_name)]):
+            return True
+        else:
+            if warning_if_not_found:
+                logger.warning(
+                    "Model '%s' not found."
+                    " Part of the script will be skipped." % (model_name)
+                )
+            return False
+
+    def install_modules(self, module_names):
+        if type(module_names) == str:
+            module_names = [module_names]
+        installed_modules = []
+        i = 0
+        for module_name in module_names:
+            i += 1
+            prefix = str(i) + "/" + str(len(module_names))
+            modules = self.browse_by_search(
+                "ir.module.module", [("name", "=", module_name)]
+            )
+            if not len(modules):
+                logger.error(
+                    "%s - Module '%s': Not found." % (prefix, module_name)
+                )
+                continue
+
+            module = modules[0]
+            if module.state == "installed":
+                logger.info(
+                    "%s - Module %s still installed."
+                    " skipped." % (prefix, module_name)
+                )
+            elif module.state == "uninstalled":
+                try_qty = 0
+                installed = False
+                while installed is False:
+                    try_qty += 1
+                    logger.info(
+                        "%s - Module '%s': Installing ... %s"
+                        % (
+                            prefix,
+                            module_name,
+                            "(try #%d)" % try_qty if try_qty != 1 else "",
+                        )
+                    )
+                    try:
+                        module.button_immediate_install()
+                        installed = True
+                        installed_modules.append(module_name)
+                        time.sleep(5)
+                    except Exception as e:
+                        if try_qty <= 5:
+                            sleeping_time = 2 * try_qty * 60
+                            logger.warning(
+                                "Error. Retrying in %d seconds.\n %s"
+                                % (sleeping_time, e)
+                            )
+                            time.sleep(sleeping_time)
+                        else:
+                            logger.critical(
+                                "Error after %d try. Exiting.\n %s"
+                                % (try_qty, e)
+                            )
+                            raise e
+            else:
+                logger.error(
+                    "%s - Module '%s': In the %s state."
+                    " (Unable to install)"
+                    % (prefix, module_name, module.state)
+                )
+        return installed_modules
+
+    def uninstall_modules(self, module_names):
+        if type(module_names) == str:
+            module_names = [module_names]
+        i = 0
+        for module_name in module_names:
+            i += 1
+            prefix = str(i) + "/" + str(len(module_names))
+            modules = self.browse_by_search(
+                "ir.module.module", [("name", "=", module_name)]
+            )
+            if not len(modules):
+                logger.error(
+                    "%s - Module '%s': Not found." % (prefix, module_name)
+                )
+                continue
+            module = modules[0]
+            if module.state in (
+                "installed",
+                "to upgrade",
+                "to update",
+                "to remove",
+            ):
+                logger.info(
+                    "%s - Module '%s': Uninstalling .." % (prefix, module_name)
+                )
+                module.button_upgrade_cancel()
+                module.button_uninstall()
+                wizard = self.browse_by_create("base.module.upgrade", {})
+                wizard.upgrade_module()
+
+            else:
+                logger.error(
+                    "%s - Module '%s': In the %s state."
+                    " (Unable to uninstall)"
+                    % (prefix, module_name, module.state)
+                )
diff --git a/poetry.lock b/poetry.lock
index 97b830d..01ac4a7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -97,6 +97,17 @@ python-versions = "*"
 [package.dependencies]
 click = "*"
 
+[[package]]
+name = "click-loglevel"
+version = "0.4.0.post1"
+description = "Log level parameter type for Click"
+category = "main"
+optional = false
+python-versions = "~=3.6"
+
+[package.dependencies]
+click = ">=6.0"
+
 [[package]]
 name = "colorama"
 version = "0.4.4"
@@ -477,7 +488,7 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xm
 
 [[package]]
 name = "pytest"
-version = "7.1.1"
+version = "7.1.2"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
@@ -614,7 +625,7 @@ dev = ["packaging"]
 
 [[package]]
 name = "tox"
-version = "3.24.5"
+version = "3.25.0"
 description = "tox is a generic virtualenv management and test command line tool"
 category = "dev"
 optional = false
@@ -637,7 +648,7 @@ testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "pytest (>=4.0.0)", "pytes
 
 [[package]]
 name = "typed-ast"
-version = "1.5.2"
+version = "1.5.3"
 description = "a fork of Python 2 and 3 ast modules with type comment support"
 category = "dev"
 optional = false
@@ -666,7 +677,7 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
 name = "virtualenv"
-version = "20.14.0"
+version = "20.14.1"
 description = "Virtual Python Environment builder"
 category = "dev"
 optional = false
@@ -731,7 +742,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "d1032300d832c58b3e154412055bb689da8f90750b412c5bf52d70a47ff0a586"
+content-hash = "5337fb24cba5bdf35d6307ba0b418a0e2ee2415fac89df2563249157df1b256a"
 
 [metadata.files]
 aiocontextvars = [
@@ -769,6 +780,10 @@ click = [
 click-default-group = [
     {file = "click-default-group-1.2.2.tar.gz", hash = "sha256:d9560e8e8dfa44b3562fbc9425042a0fd6d21956fcc2db0077f63f34253ab904"},
 ]
+click-loglevel = [
+    {file = "click-loglevel-0.4.0.post1.tar.gz", hash = "sha256:470bf1e208fe650cedacb23061e4e18d36df601ca9d8b79e6d8e8cdf1792ece1"},
+    {file = "click_loglevel-0.4.0.post1-py3-none-any.whl", hash = "sha256:f3449b5d28d6cba5bfbeed371ad59950aba035730d5cc28a32b4e7632e17ed6c"},
+]
 colorama = [
     {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
     {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
@@ -1078,8 +1093,8 @@ pyparsing = [
 pytest = [
     {file = "pytest-6.1.2-py3-none-any.whl", hash = "sha256:4288fed0d9153d9646bfcdf0c0428197dba1ecb27a33bb6e031d002fa88653fe"},
     {file = "pytest-6.1.2.tar.gz", hash = "sha256:c0a7e94a8cdbc5422a51ccdad8e6f1024795939cc89159a0ae7f0b316ad3823e"},
-    {file = "pytest-7.1.1-py3-none-any.whl", hash = "sha256:92f723789a8fdd7180b6b06483874feca4c48a5c76968e03bb3e7f806a1869ea"},
-    {file = "pytest-7.1.1.tar.gz", hash = "sha256:841132caef6b1ad17a9afde46dc4f6cfa59a05f9555aae5151f73bdf2820ca63"},
+    {file = "pytest-7.1.2-py3-none-any.whl", hash = "sha256:13d0e3ccfc2b6e26be000cb6568c832ba67ba32e719443bfe725814d3c42433c"},
+    {file = "pytest-7.1.2.tar.gz", hash = "sha256:a06a0425453864a270bc45e71f783330a7428defb4230fb5e6a731fde06ecd45"},
 ]
 pytest-cov = [
     {file = "pytest-cov-3.0.0.tar.gz", hash = "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"},
@@ -1159,34 +1174,34 @@ towncrier = [
     {file = "towncrier-21.9.0.tar.gz", hash = "sha256:9cb6f45c16e1a1eec9d0e7651165e7be60cd0ab81d13a5c96ca97a498ae87f48"},
 ]
 tox = [
-    {file = "tox-3.24.5-py2.py3-none-any.whl", hash = "sha256:be3362472a33094bce26727f5f771ca0facf6dafa217f65875314e9a6600c95c"},
-    {file = "tox-3.24.5.tar.gz", hash = "sha256:67e0e32c90e278251fea45b696d0fef3879089ccbe979b0c556d35d5a70e2993"},
+    {file = "tox-3.25.0-py2.py3-none-any.whl", hash = "sha256:0805727eb4d6b049de304977dfc9ce315a1938e6619c3ab9f38682bb04662a5a"},
+    {file = "tox-3.25.0.tar.gz", hash = "sha256:37888f3092aa4e9f835fc8cc6dadbaaa0782651c41ef359e3a5743fcb0308160"},
 ]
 typed-ast = [
-    {file = "typed_ast-1.5.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:183b183b7771a508395d2cbffd6db67d6ad52958a5fdc99f450d954003900266"},
-    {file = "typed_ast-1.5.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:676d051b1da67a852c0447621fdd11c4e104827417bf216092ec3e286f7da596"},
-    {file = "typed_ast-1.5.2-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:bc2542e83ac8399752bc16e0b35e038bdb659ba237f4222616b4e83fb9654985"},
-    {file = "typed_ast-1.5.2-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:74cac86cc586db8dfda0ce65d8bcd2bf17b58668dfcc3652762f3ef0e6677e76"},
-    {file = "typed_ast-1.5.2-cp310-cp310-win_amd64.whl", hash = "sha256:18fe320f354d6f9ad3147859b6e16649a0781425268c4dde596093177660e71a"},
-    {file = "typed_ast-1.5.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:31d8c6b2df19a777bc8826770b872a45a1f30cfefcfd729491baa5237faae837"},
-    {file = "typed_ast-1.5.2-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:963a0ccc9a4188524e6e6d39b12c9ca24cc2d45a71cfdd04a26d883c922b4b78"},
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+    {file = "typed_ast-1.5.3.tar.gz", hash = "sha256:27f25232e2dd0edfe1f019d6bfaaf11e86e657d9bdb7b0956db95f560cceb2b3"},
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@@ -1197,8 +1212,8 @@ urllib3 = [
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+    {file = "virtualenv-20.14.1.tar.gz", hash = "sha256:ef589a79795589aada0c1c5b319486797c03b67ac3984c48c669c0e4f50df3a5"},
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 websocket-client = [
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diff --git a/pyproject.toml b/pyproject.toml
index f46bafb..1d4d5ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,8 @@ odoo-openupgrade-wizard = "odoo_openupgrade_wizard.cli:main"
 [tool.poetry.dependencies]
 python = "^3.6"
 click = "^7.0"
+click-loglevel = "^0.4"
+odoorpc = "^0.8"
 loguru = "^0.6"
 plumbum = "^1.7"
 single-source = "^0.3"
diff --git a/tests/cli_B_04_execute_script_test.py b/tests/cli_B_04_execute_script_test.py
new file mode 100644
index 0000000..e8ec649
--- /dev/null
+++ b/tests/cli_B_04_execute_script_test.py
@@ -0,0 +1,20 @@
+from pathlib import Path
+
+from . import cli_runner_invoke
+
+
+def test_cli_execute_script():
+    output_folder_path = Path("./tests/output_B")
+
+    db_name = "database_test_cli_execute_script"
+    cli_runner_invoke(
+        [
+            "--env-folder=%s" % output_folder_path,
+            "run",
+            "--step=1",
+            "--database=%s" % db_name,
+            "--init-modules=base,product",
+            "--stop-after-init",
+        ]
+    )
+    # TODO, add manually script
diff --git a/tests/cli_B_03_upgrade_test.py b/tests/cli_B_05_upgrade_test.py
similarity index 100%
rename from tests/cli_B_03_upgrade_test.py
rename to tests/cli_B_05_upgrade_test.py