src/nitsi/test.py

   1 #!/usr/bin/python3
   2
   3 import configparser
   4 import libvirt
   5 import logging
   6 import os
   7 import time
   8
   9 from . import recipe
  10 from . import virtual_environ
  11
  12 logger = logging.getLogger("nitsi.test")
  13
  14
  15 class TestException(Exception):
  16     def __init__(self, message):
  17         self.message = message
  18
  19 class Test():
  20     def __init__(self, path, log_path):
  21         try:
  22             self.path = os.path.abspath(path)
  23             self.log = logger.getChild(os.path.basename(self.path))
  24         except BaseException as e:
  25             logger.error("Could not get absolute path")
  26             raise e
  27
  28         self.log.debug("Path of this test is: {}".format(self.path))
  29
  30         self.log_path = log_path
  31
  32         self.settings_file = "{}/settings".format(self.path)
  33         if not os.path.isfile(self.settings_file):
  34             self.log.error("No such file: {}".format(self.settings_file))
  35             raise TestException("No settings file found")
  36
  37         self.recipe_file = "{}/recipe".format(self.path)
  38         if not os.path.isfile(self.recipe_file):
  39             self.log.error("No such file: {}".format(self.recipe_file))
  40             raise TestException("No recipe file found")
  41
  42     def read_settings(self):
  43         self.log.debug("Going to read all settings from the ini file")
  44         try:
  45             self.config = configparser.ConfigParser()
  46             self.config.read(self.settings_file)
  47         except BaseException as e:
  48             self.log.error("Failed to parse the config")
  49             raise e
  50
  51         self.name = self.config.get("GENERAL","name", fallback="")
  52         self.description = self.config.get("GENERAL", "description",  fallback="")
  53         self.copy_to = self.config.get("GENERAL", "copy_to", fallback=None)
  54         self.copy_from = self.config.get("GENERAL", "copy_from", fallback=None)
  55         self.virtual_environ_path = self.config.get("VIRTUAL_ENVIRONMENT", "path", fallback=None)
  56
  57         if not self.virtual_environ_path:
  58             self.log.error("No path for virtual environment found.")
  59             raise TestException("No path for virtual environment found.")
  60
  61         self.virtual_environ_path = os.path.normpath(self.path + "/" + self.virtual_environ_path)
  62
  63         # Parse copy_from setting
  64         if self.copy_from:
  65             self.log.debug("Going to parse the copy_from setting.")
  66             self.copy_from = self.copy_from.split(",")
  67
  68             tmp = []
  69             for file in self.copy_from:
  70                 file = file.strip()
  71                 # If file is empty we do not want to add it to the list
  72                 if not file == "":
  73                     # If we get an absolut path we do nothing
  74                     # If not we add self.path to get an absolut path
  75                     if not os.path.isabs(file):
  76                         file = os.path.normpath(self.path + "/" + file)
  77
  78                     # We need to check if file is a valid file or dir
  79                     if not (os.path.isdir(file) or os.path.isfile(file)):
  80                         raise TestException("'{}' is not a valid file nor a valid directory".format(file))
  81
  82                     self.log.debug("'{}' will be copied into all images".format(file))
  83                     tmp.append(file)
  84
  85             self.copy_from = tmp
  86
  87
  88
  89     def virtual_environ_setup(self):
  90         self.virtual_environ = virtual_environ.Virtual_environ(self.virtual_environ_path)
  91
  92         self.virtual_networks = self.virtual_environ.get_networks()
  93
  94         self.virtual_machines = self.virtual_environ.get_machines()
  95
  96     def virtual_environ_start(self):
  97         for name in self.virtual_environ.network_names:
  98             self.virtual_networks[name].define()
  99             self.virtual_networks[name].start()
 100
 101         for name in self.virtual_environ.machine_names:
 102             self.virtual_machines[name].define()
 103             self.virtual_machines[name].create_snapshot()
 104             # We can only copy files when we know which and to which dir
 105             if self.copy_from and self.copy_to:
 106                 self.virtual_machines[name].copy_in(self.copy_from, self.copy_to)
 107             self.virtual_machines[name].start()
 108
 109         # Time to which all serial output log entries are relativ
 110         log_start_time = time.time()
 111
 112         # Number of chars of the longest machine name
 113         longest_machine_name = self.virtual_environ.longest_machine_name
 114
 115         self.log.info("Try to login on all machines")
 116         for name in self.virtual_environ.machine_names:
 117             self.log.info("Try to login on {}".format(name))
 118             self.virtual_machines[name].login("{}/test.log".format(self.log_path),
 119                                                 log_start_time=log_start_time,
 120                                                 longest_machine_name=longest_machine_name)
 121
 122     def load_recipe(self):
 123         self.log.info("Going to load the recipe")
 124         try:
 125             self.recipe = recipe.Recipe(self.recipe_file, machines=self.virtual_environ.machine_names)
 126             for line in self.recipe.recipe:
 127                 self.log.debug(line)
 128
 129             self.log.debug("This was the recipe")
 130         except BaseException as e:
 131             self.log.error("Failed to load recipe")
 132             raise e
 133
 134     def run_recipe(self):
 135         for line in self.recipe.recipe:
 136             return_value = self.virtual_machines[line[0]].cmd(line[2])
 137             self.log.debug("Return value is: {}".format(return_value))
 138             if return_value != "0" and line[1] == "":
 139                 raise TestException("Failed to execute command '{}' on {}, return code: {}".format(line[2],line[0], return_value))
 140             elif return_value == "0" and line[1] == "!":
 141                 raise TestException("Succeded to execute command '{}' on {}, return code: {}".format(line[2],line[0],return_value))
 142             else:
 143                 self.log.debug("Command '{}' on {} returned with: {}".format(line[2],line[0],return_value))
 144
 145     def virtual_environ_stop(self):
 146         for name in self.virtual_environ.machine_names:
 147             # We just catch exception here to avoid
 148             # that we stop the cleanup process if only  one command fails
 149             try:
 150                 self.virtual_machines[name].shutdown()
 151                 self.virtual_machines[name].revert_snapshot()
 152                 self.virtual_machines[name].undefine()
 153             except BaseException as e:
 154                 self.log.exception(e)
 155
 156         for name in self.virtual_environ.network_names:
 157             try:
 158                 self.virtual_networks[name].undefine()
 159             except BaseException as e:
 160                  self.log.exception(e)
 161