deploy/deploy_env.py

   1 ###############################################################################
   2 # Copyright (c) 2015 Ericsson AB and others.
   3 # szilard.cserey@ericsson.com
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ###############################################################################
   9
  10
  11 import os
  12 import io
  13 import yaml
  14 import glob
  15 import time
  16 import shutil
  17
  18 from ssh_client import SSHClient
  19
  20 from common import (
  21     err,
  22     log,
  23     parse,
  24     N,
  25     E,
  26     R,
  27     delete,
  28 )
  29
  30 CLOUD_DEPLOY_FILE = 'deploy.py'
  31 BLADE_RESTART_TIMES = 3
  32
  33
  34 class CloudDeploy(object):
  35
  36     def __init__(self, dea, dha, fuel_ip, fuel_username, fuel_password,
  37                  dea_file, fuel_plugins_conf_dir, work_dir, no_health_check,
  38                  deploy_timeout, no_deploy_environment):
  39         self.dea = dea
  40         self.dha = dha
  41         self.fuel_ip = fuel_ip
  42         self.fuel_username = fuel_username
  43         self.fuel_password = fuel_password
  44         self.dea_file = dea_file
  45         self.updated_dea_file = (
  46             '%s/.%s' % (os.path.dirname(self.dea_file),
  47             os.path.basename(self.dea_file)))
  48         shutil.copy2(self.dea_file, self.updated_dea_file)
  49         self.fuel_plugins_conf_dir = fuel_plugins_conf_dir
  50         self.work_dir = work_dir
  51         self.no_health_check = no_health_check
  52         self.deploy_timeout = deploy_timeout
  53         self.no_deploy_environment = no_deploy_environment
  54         self.file_dir = os.path.dirname(os.path.realpath(__file__))
  55         self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
  56                              self.fuel_password)
  57         self.node_ids = self.dha.get_node_ids()
  58         self.wanted_release = self.dea.get_property('wanted_release')
  59         self.blade_node_dict = {}
  60         self.macs_per_blade = {}
  61
  62     def merge_plugin_config_files_to_dea_file(self):
  63         plugins_conf_dir = (
  64             self.fuel_plugins_conf_dir if self.fuel_plugins_conf_dir
  65             else '%s/plugins_conf' % os.path.dirname(self.dea_file))
  66         if os.path.isdir(plugins_conf_dir):
  67             with io.open(self.updated_dea_file) as stream:
  68                 updated_dea = yaml.load(stream)
  69             for plugin_file in glob.glob('%s/*.yaml' % plugins_conf_dir):
  70                 with io.open(plugin_file) as stream:
  71                     plugin_conf = yaml.load(stream)
  72                 updated_dea['settings']['editable'].update(plugin_conf)
  73             with io.open(self.updated_dea_file, 'w') as stream:
  74                 yaml.dump(updated_dea, stream, default_flow_style=False)
  75
  76     def upload_cloud_deployment_files(self):
  77         with self.ssh as s:
  78             s.exec_cmd('rm -rf %s' % self.work_dir, False)
  79             s.exec_cmd('mkdir %s' % self.work_dir)
  80             s.scp_put(self.updated_dea_file, '%s/%s' % (
  81                 self.work_dir, os.path.basename(self.dea_file)))
  82             s.scp_put('%s/common.py' % self.file_dir, self.work_dir)
  83             s.scp_put('%s/dea.py' % self.file_dir, self.work_dir)
  84             for f in glob.glob('%s/cloud/*' % self.file_dir):
  85                 s.scp_put(f, self.work_dir)
  86
  87     def power_off_nodes(self):
  88         for node_id in self.node_ids:
  89             self.dha.node_power_off(node_id)
  90
  91     def power_on_nodes(self):
  92         for node_id in self.node_ids:
  93             self.dha.node_power_on(node_id)
  94
  95     def set_boot_order(self, boot_order_list):
  96         for node_id in self.node_ids:
  97             self.dha.node_set_boot_order(node_id, boot_order_list[:])
  98
  99     def get_mac_addresses(self):
 100         self.macs_per_blade = {}
 101         for node_id in self.node_ids:
 102             self.macs_per_blade[node_id] = self.dha.get_node_pxe_mac(node_id)
 103
 104     def run_cloud_deploy(self, deploy_app):
 105         log('START CLOUD DEPLOYMENT')
 106         deploy_app = '%s/%s' % (self.work_dir, deploy_app)
 107         dea_file = '%s/%s' % (self.work_dir, os.path.basename(self.dea_file))
 108         with self.ssh as s:
 109             status = s.run('python %s %s %s %s %s' % (
 110                 deploy_app,
 111                 ('-nh' if self.no_health_check else ''),
 112                 ('-dt %s' %
 113                  self.deploy_timeout if self.deploy_timeout else ''),
 114                 ('-nde' if self.no_deploy_environment else ''),
 115                 dea_file))
 116         return status
 117
 118     def check_supported_release(self):
 119         log('Check supported release: %s' % self.wanted_release)
 120         found = False
 121         release_list = parse(self.ssh.exec_cmd('fuel release -l'))
 122         for release in release_list:
 123             if release[R['name']] == self.wanted_release:
 124                 found = True
 125                 break
 126         if not found:
 127             err('This Fuel does not contain the following release: %s'
 128                 % self.wanted_release)
 129
 130     def check_previous_installation(self):
 131         log('Check previous installation')
 132         env_list = parse(self.ssh.exec_cmd('fuel env list'))
 133         if env_list:
 134             self.cleanup_fuel_environments(env_list)
 135             node_list = parse(self.ssh.exec_cmd('fuel node list'))
 136             if node_list:
 137                 self.cleanup_fuel_nodes(node_list)
 138
 139     def cleanup_fuel_environments(self, env_list):
 140         WAIT_LOOP = 60
 141         SLEEP_TIME = 10
 142         for env in env_list:
 143             log('Deleting environment %s' % env[E['id']])
 144             self.ssh.exec_cmd('fuel env --env %s --delete --force'
 145                               % env[E['id']])
 146         all_env_erased = False
 147         for i in range(WAIT_LOOP):
 148             env_list = parse(self.ssh.exec_cmd('fuel env list'))
 149             if env_list:
 150                 time.sleep(SLEEP_TIME)
 151             else:
 152                 all_env_erased = True
 153                 break
 154         if not all_env_erased:
 155             err('Could not erase these environments %s'
 156                 % [(env[E['id']], env[E['status']]) for env in env_list])
 157
 158     def cleanup_fuel_nodes(self, node_list):
 159         for node in node_list:
 160             if node[N['status']] == 'discover':
 161                 log('Deleting node %s' % node[N['id']])
 162                 self.ssh.exec_cmd('fuel node --node-id %s --delete-from-db '
 163                                   '--force' % node[N['id']])
 164                 self.ssh.exec_cmd('cobbler system remove --name node-%s'
 165                                   % node[N['id']], False)
 166
 167     def check_prerequisites(self):
 168         log('Check prerequisites')
 169         with self.ssh:
 170             self.check_supported_release()
 171             self.check_previous_installation()
 172
 173     def wait_for_discovered_blades(self):
 174         log('Wait for discovered blades')
 175         discovered_macs = []
 176         restart_times = BLADE_RESTART_TIMES
 177
 178         for blade in self.node_ids:
 179             self.blade_node_dict[blade] = None
 180
 181         with self.ssh:
 182             all_discovered = self.discovery_waiting_loop(discovered_macs)
 183
 184         while not all_discovered and restart_times != 0:
 185             restart_times -= 1
 186             for blade in self.get_not_discovered_blades():
 187                 self.dha.node_reset(blade)
 188             with self.ssh:
 189                 all_discovered = self.discovery_waiting_loop(discovered_macs)
 190
 191         if not all_discovered:
 192             err('Not all blades have been discovered: %s'
 193                 % self.not_discovered_blades_summary())
 194
 195         with io.open(self.updated_dea_file) as stream:
 196             updated_dea = yaml.load(stream)
 197         updated_dea.update({'blade_node_map': self.blade_node_dict})
 198         with io.open(self.updated_dea_file, 'w') as stream:
 199             yaml.dump(updated_dea, stream, default_flow_style=False)
 200
 201     def discovery_waiting_loop(self, discovered_macs):
 202         WAIT_LOOP = 360
 203         SLEEP_TIME = 10
 204         all_discovered = False
 205         for i in range(WAIT_LOOP):
 206             node_list = parse(self.ssh.exec_cmd('fuel node list'))
 207             if node_list:
 208                 self.node_discovery(node_list, discovered_macs)
 209             if self.all_blades_discovered():
 210                 all_discovered = True
 211                 break
 212             else:
 213                 time.sleep(SLEEP_TIME)
 214         return all_discovered
 215
 216     def node_discovery(self, node_list, discovered_macs):
 217         for node in node_list:
 218             if (node[N['status']] == 'discover' and
 219                 (node[N['online']] == 'True' or
 220                 node[N['online']] == '1') and
 221                 node[N['mac']] not in discovered_macs):
 222                 discovered_macs.append(node[N['mac']])
 223                 blade = self.find_mac_in_dict(node[N['mac']])
 224                 if blade:
 225                     log('Blade %s discovered as Node %s with MAC %s'
 226                         % (blade, node[N['id']], node[N['mac']]))
 227                     self.blade_node_dict[blade] = int(node[N['id']])
 228
 229     def find_mac_in_dict(self, mac):
 230         for blade, mac_list in self.macs_per_blade.iteritems():
 231             if mac in mac_list:
 232                 return blade
 233
 234     def all_blades_discovered(self):
 235         for blade, node_id in self.blade_node_dict.iteritems():
 236             if not node_id:
 237                 return False
 238         return True
 239
 240     def not_discovered_blades_summary(self):
 241         summary = ''
 242         for blade, node_id in self.blade_node_dict.iteritems():
 243             if not node_id:
 244                 summary += '\n[blade %s]' % blade
 245         return summary
 246
 247     def get_not_discovered_blades(self):
 248         not_discovered_blades = []
 249         for blade, node_id in self.blade_node_dict.iteritems():
 250             if not node_id:
 251                 not_discovered_blades.append(blade)
 252         return not_discovered_blades
 253
 254     def set_boot_order_nodes(self):
 255         self.power_off_nodes()
 256         self.set_boot_order(['pxe', 'disk'])
 257         self.power_on_nodes()
 258
 259     def deploy(self):
 260
 261         self.set_boot_order_nodes()
 262
 263         self.check_prerequisites()
 264
 265         self.get_mac_addresses()
 266
 267         self.wait_for_discovered_blades()
 268
 269         self.merge_plugin_config_files_to_dea_file()
 270
 271         self.upload_cloud_deployment_files()
 272
 273         delete(self.updated_dea_file)
 274
 275         return self.run_cloud_deploy(CLOUD_DEPLOY_FILE)