T973: add basic node_exporter implementation

1 files changed, 64 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_service_monitoring_node-exporter.py b/smoketest/scripts/cli/test_service_monitoring_node-exporter.py
new file mode 100755
index 000000000..6b96e3130
--- /dev/null
+++ b/smoketest/scripts/cli/test_service_monitoring_node-exporter.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020-2024 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import unittest
+
+from base_vyostest_shim import VyOSUnitTestSHIM
+from vyos.utils.process import process_named_running
+from vyos.utils.file import read_file
+
+PROCESS_NAME = 'node_exporter'
+base_path = ['service', 'monitoring', 'node-exporter']
+service_file = '/etc/systemd/system/node_exporter.service'
+listen_if = 'dum3421'
+listen_ip = '192.0.2.1'
+
+
+class TestMonitoringNodeExporter(VyOSUnitTestSHIM.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        # call base-classes classmethod
+        super(TestMonitoringNodeExporter, cls).setUpClass()
+        # create a test interfaces
+        cls.cli_set(
+            cls, ['interfaces', 'dummy', listen_if, 'address', listen_ip + '/32']
+        )
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.cli_delete(cls, ['interfaces', 'dummy', listen_if])
+        super(TestMonitoringNodeExporter, cls).tearDownClass()
+
+    def tearDown(self):
+        self.cli_delete(base_path)
+        self.cli_commit()
+        self.assertFalse(process_named_running(PROCESS_NAME))
+
+    def test_01_basic_config(self):
+        self.cli_set(base_path + ['listen-address', listen_ip])
+
+        # commit changes
+        self.cli_commit()
+
+        file_content = read_file(service_file)
+        self.assertIn(f'{listen_ip}:9100', file_content)
+
+        # Check for running process
+        self.assertTrue(process_named_running(PROCESS_NAME))
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)