ReloadUnit test

Reload Integration Test

This test will test the functionality of ReloadUnit.
Two services will be added to the node container.
One of them will be activated by bluechictl and then
reloaded with bluechi reload and that suppose to make
the other service active.

Signed-off-by: Artiom Divak <adivak@redhat.com>

tests/bluechi_test/bluechictl.py

@@ -92,6 +92,15 @@ def start_unit(self, node_name: str, unit_name: str, check_result: bool = True,
             expected_result
         )
 
+    def reload_unit(self, node_name: str, unit_name: str, check_result: bool = True, expected_result: int = 0) \
+            -> Tuple[Optional[int], Union[Iterator[bytes], Any, Tuple[bytes, bytes]]]:
+        return self._run(
+            f"Reloading unit {unit_name} on node {node_name}",
+            f"reload {node_name} {unit_name}",
+            check_result,
+            expected_result
+        )
+
     def stop_unit(self, node_name: str, unit_name: str, check_result: bool = True, expected_result: int = 0) \
             -> Tuple[Optional[int], Union[Iterator[bytes], Any, Tuple[bytes, bytes]]]:
         return self._run(

tests/tests/tier0/bluechi-reload-unit/main.fmf

@@ -0,0 +1,2 @@
+summary: Test reload service
+id: 44b0d11e-fcad-4523-acf7-ff0c0421501e

tests/tests/tier0/bluechi-reload-unit/systemd/service-for-reload.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=A very simple service
+[Service]
+Type=simple
+ExecStart=/bin/true
+RemainAfterExit=yes
+ExecReload=systemctl start simple.service

tests/tests/tier0/bluechi-reload-unit/systemd/simple.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Service For Integration Test
+
+[Service]
+Type=simple
+ExecStart=/bin/true
+RemainAfterExit=yes

tests/tests/tier0/bluechi-reload-unit/test_bluechi_reload_unit_service.py

@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+import logging
+import os
+
+from typing import Dict
+from bluechi_test.test import BluechiTest
+from bluechi_test.machine import BluechiControllerMachine, BluechiAgentMachine
+from bluechi_test.config import BluechiControllerConfig, BluechiAgentConfig
+
+LOGGER = logging.getLogger(__name__)
+
+NODE_FOO = "node-foo"
+
+
+def exec(ctrl: BluechiControllerMachine, nodes: Dict[str, BluechiAgentMachine]):
+
+    foo = nodes[NODE_FOO]
+    target_dir = os.path.join("/", "etc", "systemd", "system")
+    foo.copy_systemd_service("service-for-reload.service", "systemd", target_dir)
+    foo.copy_systemd_service("simple.service", "systemd", target_dir)
+    assert foo.wait_for_unit_state_to_be("simple.service", "inactive")
+    assert foo.wait_for_unit_state_to_be("service-for-reload.service", "inactive")
+
+    ctrl.bluechictl.start_unit(NODE_FOO, "service-for-reload.service")
+    assert foo.wait_for_unit_state_to_be("simple.service", "inactive")
+    assert foo.wait_for_unit_state_to_be("service-for-reload.service", "active")
+
+    ctrl.bluechictl.reload_unit(NODE_FOO, "service-for-reload.service")
+    assert foo.wait_for_unit_state_to_be("simple.service", "active")
+    assert foo.wait_for_unit_state_to_be("service-for-reload.service", "active")
+
+
+def test_bluechi_reload_unit_service(
+        bluechi_test: BluechiTest,
+        bluechi_node_default_config: BluechiAgentConfig, bluechi_ctrl_default_config: BluechiControllerConfig):
+    node_foo_cfg = bluechi_node_default_config.deep_copy()
+    node_foo_cfg.node_name = NODE_FOO
+
+    bluechi_test.add_bluechi_agent_config(node_foo_cfg)
+
+    bluechi_ctrl_default_config.allowed_node_names = [NODE_FOO]
+    bluechi_test.set_bluechi_controller_config(bluechi_ctrl_default_config)
+
+    bluechi_test.run(exec)