tests/charms/layers/proxy-ci/reactive/proxy_ci.py

   1 # Copyright 2019 Canonical Ltd.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 #     Unless required by applicable law or agreed to in writing, software
  10 #     distributed under the License is distributed on an "AS IS" BASIS,
  11 #     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #     See the License for the specific language governing permissions and
  13 #     limitations under the License.
  14
  15 from charmhelpers.core.hookenv import (
  16     action_fail,
  17     action_set,
  18     status_set,
  19 )
  20 from charms.reactive import (
  21     set_flag,
  22     clear_flag,
  23     when_not,
  24     when,
  25 )
  26 import charms.sshproxy
  27
  28
  29 @when_not('proxy-ci.installed')
  30 def install_proxy_ci():
  31     status_set('blocked', "Waiting for SSH credentials.")
  32     set_flag('proxy-ci.installed')
  33
  34
  35 @when('actions.test', 'proxy-ci.installed')
  36 def test():
  37     err = ''
  38     try:
  39         cmd = ['hostname']
  40         result, err = charms.sshproxy._run(cmd)
  41         if len(result) == 0:
  42             raise Exception("Proxy failed")
  43     except Exception as e:
  44         action_fail('command failed: {}'.format(e))
  45     else:
  46         action_set({'output': result})
  47     finally:
  48         clear_flag('actions.test')
  49
  50
  51 @when('db.joined')
  52 def provides_db(db):
  53     """Simulate providing database credentials."""
  54     db.configure(
  55         database="mydb",
  56         user="myuser",
  57         password="mypassword",
  58         host="myhost",
  59         slave="myslave",
  60     )
  61
  62
  63 @when('db.available')
  64 def requires_db(db):
  65     """Simulate receiving database credentials."""
  66     pass