utils/env_prepare/stack_prepare.py

   1 #!/usr/bin/env python
   2 ##############################################################################
   3 # Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
   4 #
   5 # All rights reserved. This program and the accompanying materials
   6 # are made available under the terms of the Apache License, Version 2.0
   7 # which accompanies this distribution, and is available at
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 ##############################################################################
  10 import os
  11 import subprocess
  12 import errno
  13 from utils.logger import Logger
  14 from utils.parser import Parser as config
  15 import utils.infra_setup.heat.manager as utils
  16 import utils.infra_setup.runner.docker_env as docker_env
  17 import utils.infra_setup.heat.manager as client_manager
  18
  19 LOG = Logger(__name__).getLogger()
  20
  21
  22 def _prepare_env_daemon(test_yardstick):
  23
  24     rc_file = config.bottlenecks_config["rc_dir"]
  25
  26     if not os.path.exists(rc_file):
  27         installer_ip = os.environ.get('INSTALLER_IP', 'undefined')
  28         installer_type = os.environ.get('INSTALLER_TYPE', 'undefined')
  29         _get_remote_rc_file(rc_file, installer_ip, installer_type)
  30
  31     _source_file(rc_file)
  32
  33     if not os.environ.get("EXTERNAL_NETWORK"):
  34         _append_external_network(rc_file)
  35     if test_yardstick:
  36         yardstick_contain = docker_env.yardstick_info["container"]
  37         cmd = "cp %s %s" % (rc_file,
  38                             config.bottlenecks_config["yardstick_rc_dir"])
  39         docker_env.docker_exec_cmd(yardstick_contain,
  40                                    cmd)
  41
  42     # update the external_network
  43     _source_file(rc_file)
  44
  45
  46 def file_copy(src_file, dest_file):
  47     src = file(src_file, "r+")
  48     des = file(dest_file, "w+")
  49     des.writelines(src.read())
  50     src.close()
  51     des.close()
  52
  53
  54 def _get_remote_rc_file(rc_file, installer_ip, installer_type):
  55
  56     RELENG_DIR = config.bottlenecks_config["releng_dir"]
  57     OS_FETCH_SCRIPT = config.bottlenecks_config["fetch_os"]
  58     os_fetch_script = os.path.join(RELENG_DIR, OS_FETCH_SCRIPT)
  59
  60     try:
  61         cmd = [os_fetch_script, '-d', rc_file, '-i', installer_type,
  62                '-a', installer_ip]
  63         p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
  64         p.communicate()[0]
  65
  66         if p.returncode != 0:
  67             LOG.debug('Failed to fetch credentials from installer')
  68     except OSError as e:
  69         if e.errno != errno.EEXIST:
  70             raise
  71
  72
  73 def _source_file(rc_file):
  74     p = subprocess.Popen(". %s; env" % rc_file, stdout=subprocess.PIPE,
  75                          shell=True)
  76     output = p.communicate()[0]
  77     output_lines = output.splitlines()
  78     env = dict((line.split('=', 1) for line in output_lines))
  79     os.environ.update(env)
  80     return env
  81
  82
  83 def _append_external_network(rc_file):
  84     neutron_client = utils._get_neutron_client()
  85     networks = neutron_client.list_networks()['networks']
  86     try:
  87         ext_network = next(n['name'] for n in networks if n['router:external'])
  88     except StopIteration:
  89         LOG.warning("Can't find external network")
  90     else:
  91         cmd = 'export EXTERNAL_NETWORK=%s' % ext_network
  92         try:
  93             with open(rc_file, 'a') as f:
  94                 f.write(cmd + '\n')
  95         except OSError as e:
  96             if e.errno != errno.EEXIST:
  97                 raise
  98
  99
 100 def prepare_image(image_name, image_dir):
 101     glance_client = client_manager._get_glance_client()
 102     if not os.path.isfile(image_dir):
 103         LOG.error("Error: file %s does not exist.", image_dir)
 104         return None
 105     try:
 106         images = glance_client.images.list()
 107         image_id = next((i.id for i in images if i.name == image_name), None)
 108         if image_id is not None:
 109             LOG.info("Image %s already exists.", image_name)
 110         else:
 111             LOG.info("Creating image '%s' from '%s'...", image_name, image_dir)
 112
 113             image = glance_client.images.create(
 114                 name=image_name, visibility="public", disk_format="qcow2",
 115                 container_format="bare")
 116             image_id = image.id
 117             with open(image_dir) as image_data:
 118                 glance_client.images.upload(image_id, image_data)
 119         return image_id
 120     except Exception:  # pylint: disable=broad-except
 121         LOG.error(
 122             "Error [create_glance_image(glance_client, '%s', '%s')]",
 123             image_name, image_dir)
 124         return None