services/nodemanager/tests/test_config.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import absolute_import, print_function
   4
   5 import io
   6 import logging
   7 import unittest
   8
   9 import arvnodeman.computenode.dispatch as dispatch
  10 import arvnodeman.computenode.dispatch.slurm as slurm_dispatch
  11 import arvnodeman.config as nmconfig
  12
  13 class NodeManagerConfigTestCase(unittest.TestCase):
  14     TEST_CONFIG = u"""
  15 [Cloud]
  16 provider = dummy
  17 shutdown_windows = 52, 6, 2
  18
  19 [Cloud Credentials]
  20 creds = dummy_creds
  21
  22 [Cloud List]
  23 [Cloud Create]
  24
  25 [Size 1]
  26 cores = 1
  27 price = 0.8
  28
  29 [Logging]
  30 file = /dev/null
  31 level = DEBUG
  32 testlogger = INFO
  33 """
  34
  35     def load_config(self, config=None, config_str=None):
  36         if config is None:
  37             config = nmconfig.NodeManagerConfig()
  38         if config_str is None:
  39             config_str = self.TEST_CONFIG
  40         with io.StringIO(config_str) as config_fp:
  41             config.readfp(config_fp)
  42         return config
  43
  44     def test_seeded_defaults(self):
  45         config = nmconfig.NodeManagerConfig()
  46         sec_names = set(config.sections())
  47         self.assertIn('Arvados', sec_names)
  48         self.assertIn('Daemon', sec_names)
  49         self.assertFalse(any(name.startswith('Size ') for name in sec_names))
  50
  51     def test_list_sizes(self):
  52         config = self.load_config()
  53         client = config.new_cloud_client()
  54         sizes = config.node_sizes(client.list_sizes())
  55         self.assertEqual(1, len(sizes))
  56         size, kwargs = sizes[0]
  57         self.assertEqual('Small', size.name)
  58         self.assertEqual(1, kwargs['cores'])
  59         self.assertEqual(0.8, kwargs['price'])
  60
  61     def test_default_node_mem_scaling(self):
  62         config = self.load_config()
  63         self.assertEqual(0.95, config.getfloat('Daemon', 'node_mem_scaling'))
  64
  65     def test_shutdown_windows(self):
  66         config = self.load_config()
  67         self.assertEqual([52, 6, 2], config.shutdown_windows())
  68
  69     def test_log_levels(self):
  70         config = self.load_config()
  71         self.assertEqual({'level': logging.DEBUG,
  72                           'testlogger': logging.INFO},
  73                          config.log_levels())
  74
  75     def check_dispatch_classes(self, config, module):
  76         setup, shutdown, update, monitor = config.dispatch_classes()
  77         self.assertIs(setup, module.ComputeNodeSetupActor)
  78         self.assertIs(shutdown, module.ComputeNodeShutdownActor)
  79         self.assertIs(update, module.ComputeNodeUpdateActor)
  80         self.assertIs(monitor, module.ComputeNodeMonitorActor)
  81
  82     def test_default_dispatch(self):
  83         config = self.load_config()
  84         self.check_dispatch_classes(config, dispatch)
  85
  86     def test_custom_dispatch(self):
  87         config = self.load_config(
  88             config_str=self.TEST_CONFIG + "[Daemon]\ndispatcher=slurm\n")
  89         self.check_dispatch_classes(config, slurm_dispatch)