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