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