##
import asynctest
-from osm_lcm.prometheus import Prometheus, initial_prometheus_data
-from asynctest.mock import Mock
-from osm_common.dbmemory import DbMemory
+from osm_lcm.prometheus import parse_job
-__author__ = 'Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>'
+__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
class TestPrometheus(asynctest.TestCase):
-
- async def setUp(self):
- config = {'uri': 'http:prometheus:9090',
- 'path': '/etc/prometheus'}
- self.db = Mock(DbMemory())
- self.p = Prometheus(config, worker_id='1', db=self.db, loop=self.loop)
-
- @asynctest.fail_on(active_handles=True)
- async def test_start(self):
- # test with database empty
- self.db.get_one.return_value = False
- self.p.update = asynctest.CoroutineMock()
- await self.p.start()
- self.db.create.assert_called_once_with('admin', initial_prometheus_data)
- self.p.update.assert_called_once_with()
-
- # test with database not empty
- self.db.create.reset_mock()
- self.db.get_one.return_value = initial_prometheus_data
- self.p.update.reset_mock()
- await self.p.start()
- self.db.create.assert_not_called()
- self.p.update.assert_called_once_with()
-
- @asynctest.fail_on(active_handles=True)
- async def test_update(self):
- self.p.PROMETHEUS_LOCKED_TIME = 1
- number_call_set_one = 0
-
- def _db_set_one(*args, **kwargs):
- # simulated that database is not locked at first call
- nonlocal number_call_set_one
-
- number_call_set_one += 1
- if number_call_set_one == 1:
- return
- else:
- return {'update': 1}
-
- def _check_set_one_calls(set_one_calls):
- # check the three calls to database set_one
- self.assertEqual(len(set_one_calls), 3, 'Not called three times to db.set_one, two blocks, one unblock')
- self.assertIn('admin', set_one_calls[0][0], 'db.set_one collection should be admin')
- first_used_time = set_one_calls[0][1]['update_dict']['_admin.locked_at']
- second_used_time = set_one_calls[1][1]['update_dict']['_admin.locked_at']
- third_used_time = set_one_calls[2][1]['update_dict']['_admin.locked_at']
- self.assertTrue(first_used_time != 0 and second_used_time != 0, 'blocking locked_at time must not be 0')
- self.assertGreater(second_used_time, first_used_time,
- 'Every blocking try must contain a new locked_at time')
- self.assertEqual(third_used_time, 0, 'For unblocking must be set locked_at=0')
-
- # check add_jobs
- number_call_set_one = 0
- self.db.get_one.return_value = initial_prometheus_data
- self.db.set_one.side_effect = _db_set_one
- self.p.send_data = asynctest.CoroutineMock(return_value=True)
- add_jobs = {'job1': {'job_name': 'job1', 'nsr_id': 'nsr_id'}}
- await self.p.update(add_jobs=add_jobs)
- set_one_calls = self.db.set_one.call_args_list
- _check_set_one_calls(set_one_calls)
- update_dict = set_one_calls[2][1]['update_dict']
- unset_dict = set_one_calls[2][1]['unset']
- expected_final_set = {
- '_admin.locked_at': 0,
- '_admin.locked_by': None,
- '_admin.modified_at': set_one_calls[1][1]['update_dict']['_admin.locked_at'],
- 'scrape_configs.job1': add_jobs['job1']}
- self.assertEqual(update_dict, expected_final_set, 'invalid set and unlock values')
- self.assertEqual(unset_dict, None, 'invalid unset and unlock values')
-
- # check remove_jobs
- number_call_set_one = 0
- remove_jobs = ['job1']
- self.db.set_one.reset_mock()
- await self.p.update(remove_jobs=remove_jobs)
- set_one_calls = self.db.set_one.call_args_list
- _check_set_one_calls(set_one_calls)
- update_dict = set_one_calls[2][1]['update_dict']
- unset_dict = set_one_calls[2][1]['unset']
- expected_final_set = {
- '_admin.locked_at': 0,
- '_admin.locked_by': None,
- '_admin.modified_at': set_one_calls[1][1]['update_dict']['_admin.locked_at']
- }
- self.assertEqual(update_dict, expected_final_set, 'invalid set and unlock values')
- self.assertEqual(unset_dict, {'scrape_configs.job1': None}, 'invalid unset and unlock values')
-
def test_parse_job(self):
text_to_parse = """
# yaml format with jinja2
key1: "parsing var1='{{ var1 }}'"
key2: "parsing var2='{{ var2 }}'"
"""
- vars = {'var1': 'VAR1', 'var2': 'VAR2', 'var3': 'VAR3'}
- expected = {
- 'key1': "parsing var1='VAR1'",
- 'key2': "parsing var2='VAR2'"
- }
- result = self.p.parse_job(text_to_parse, vars)
- self.assertEqual(result, expected, 'Error at jinja2 parse')
+ vars = {"var1": "VAR1", "var2": "VAR2", "var3": "VAR3"}
+ expected = {"key1": "parsing var1='VAR1'", "key2": "parsing var2='VAR2'"}
+ result = parse_job(text_to_parse, vars)
+ self.assertEqual(result, expected, "Error at jinja2 parse")
-if __name__ == '__main__':
+if __name__ == "__main__":
asynctest.main()