Set controller channel to 3.4 in CI

The functional tests requiered some changes, they were done strangely
and I'm not sure why they worked before. I think it's maybe due [1],
but I did not have time to investigate more.

---
[1]: pytest-dev/pytest-asyncio#706

.github/workflows/check.yaml

@@ -32,7 +32,7 @@ jobs:
           - command: "FUNC_ARGS='--series jammy' make functional"
     with:
       command: ${{ matrix.command }}
-      juju-channel: "3.1/stable"
+      juju-channel: "3.4/stable"
       nested-containers: false
       provider: "lxd"
       python-version: "3.10"

Makefile

@@ -1,7 +1,3 @@
-# This is a template `Makefile` file for ops charms
-# This file is managed by bootstack-charms-spec and should not be modified
-# within individual charm repos. https://launchpad.net/bootstack-charms-spec
-
 PYTHON := /usr/bin/python3
 
 PROJECTPATH=$(dir $(realpath $(MAKEFILE_LIST)))
@@ -47,8 +43,6 @@ submodules-update:
 	@git submodule update --init --recursive --remote --merge
 
 clean:
-	@echo "Cleaning files"
-	@git clean -ffXd -e '!.idea' -e '!.vscode'
 	@echo "Cleaning existing build"
 	@rm -rf ${PROJECTPATH}/${CHARM_NAME}*.charm
 	@echo "Cleaning charmcraft"
@@ -77,8 +71,8 @@ unittests:
 	@tox -e unit -- ${UNIT_ARGS}
 
 functional:
-	@echo "Executing functional tests using built charm at ${PROJECTPATH}"
-	@CHARM_LOCATION=${PROJECTPATH} tox -e func -- ${FUNC_ARGS}
+	@echo "Executing functional tests with args: ${FUNC_ARGS}"
+	@tox -e func -- ${FUNC_ARGS}
 
 test: lint unittests functional
 	@echo "Tests completed for charm ${CHARM_NAME}."

tests/functional/conftest.py

@@ -36,17 +36,17 @@ def series(request):
     return request.config.getoption("--series")
 
 
-@pytest.fixture(scope="class")
+@pytest.fixture
 def apt_mirror_app(ops_test):
     return ops_test.model.applications["apt-mirror"]
 
 
-@pytest.fixture(scope="class")
+@pytest.fixture
 def apt_mirror_unit(apt_mirror_app):
     return apt_mirror_app.units[0]
 
 
-@pytest.fixture(scope="class")
+@pytest.fixture
 def configs(apt_mirror_app):
     async def get_config_synced():
         return await apt_mirror_app.get_config()
@@ -59,3 +59,8 @@ async def get_config_synced():
 @pytest.fixture(scope="class")
 def helper():
     return Helper
+
+
+@pytest.fixture
+def base_path(configs):
+    return configs.get("base-path").get("value")