deploy/install_fuel_master.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 import time
  11 import os
  12 import glob
  13 from ssh_client import SSHClient
  14 from dha_adapters.libvirt_adapter import LibvirtAdapter
  15
  16 from common import (
  17     log,
  18     err,
  19     clean,
  20     delete,
  21 )
  22
  23 TRANSPLANT_FUEL_SETTINGS = 'transplant_fuel_settings.py'
  24 BOOTSTRAP_ADMIN = '/usr/local/sbin/bootstrap_admin_node'
  25 FUEL_CLIENT_CONFIG = '/etc/fuel/client/config.yaml'
  26 PLUGINS_DIR = '~/plugins'
  27 LOCAL_PLUGIN_FOLDER = '/opt/opnfv'
  28 IGNORABLE_FUEL_ERRORS = ['does not update installed package',
  29                          'Couldn\'t resolve host']
  30
  31
  32 class InstallFuelMaster(object):
  33
  34     def __init__(self, dea_file, dha_file, fuel_ip, fuel_username,
  35                  fuel_password, fuel_node_id, iso_file, work_dir,
  36                  fuel_plugins_dir, no_plugins):
  37         self.dea_file = dea_file
  38         self.dha = LibvirtAdapter(dha_file)
  39         self.fuel_ip = fuel_ip
  40         self.fuel_username = fuel_username
  41         self.fuel_password = fuel_password
  42         self.fuel_node_id = fuel_node_id
  43         self.iso_file = iso_file
  44         self.iso_dir = os.path.dirname(self.iso_file)
  45         self.work_dir = work_dir
  46         self.fuel_plugins_dir = fuel_plugins_dir
  47         self.no_plugins = no_plugins
  48         self.file_dir = os.path.dirname(os.path.realpath(__file__))
  49         self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
  50                              self.fuel_password)
  51
  52     def install(self):
  53         log('Start Fuel Installation')
  54
  55         self.dha.node_power_off(self.fuel_node_id)
  56
  57         log('Zero the MBR')
  58         self.dha.node_zero_mbr(self.fuel_node_id)
  59
  60         self.dha.node_set_boot_order(self.fuel_node_id, ['disk', 'iso'])
  61
  62         try:
  63             self.proceed_with_installation()
  64         except Exception as e:
  65             self.post_install_cleanup()
  66             err(e)
  67
  68     def proceed_with_installation(self):
  69         log('Eject ISO')
  70         self.dha.node_eject_iso(self.fuel_node_id)
  71
  72         log('Insert ISO %s' % self.iso_file)
  73         self.dha.node_insert_iso(self.fuel_node_id, self.iso_file)
  74
  75         self.dha.node_power_on(self.fuel_node_id)
  76
  77         log('Waiting for Fuel master to accept SSH')
  78         self.wait_for_node_up()
  79
  80         log('Wait until Fuel menu is up')
  81         fuel_menu_pid = self.wait_until_fuel_menu_up()
  82
  83         log('Inject our own astute.yaml settings')
  84         self.inject_own_astute_yaml()
  85
  86         log('Let the Fuel deployment continue')
  87         log('Found FUEL menu as PID %s, now killing it' % fuel_menu_pid)
  88         self.ssh_exec_cmd('kill %s' % fuel_menu_pid, False)
  89
  90         log('Wait until installation is complete')
  91         self.wait_until_installation_completed()
  92
  93         log('Waiting for one minute for Fuel to stabilize')
  94         time.sleep(60)
  95
  96         self.delete_deprecated_fuel_client_config()
  97
  98         if not self.no_plugins:
  99
 100             self.collect_plugin_files()
 101
 102             self.install_plugins()
 103
 104         self.post_install_cleanup()
 105
 106         log('Fuel Master installed successfully !')
 107
 108     def collect_plugin_files(self):
 109         with self.ssh as s:
 110             s.exec_cmd('mkdir %s' % PLUGINS_DIR)
 111             if self.fuel_plugins_dir:
 112                 for f in glob.glob('%s/*.rpm' % self.fuel_plugins_dir):
 113                     s.scp_put(f, PLUGINS_DIR)
 114
 115     def install_plugins(self):
 116         log('Installing Fuel Plugins')
 117         plugin_files = []
 118         with self.ssh as s:
 119             for plugin_location in [PLUGINS_DIR, LOCAL_PLUGIN_FOLDER]:
 120                 s.exec_cmd('mkdir -p %s' % plugin_location)
 121                 r = s.exec_cmd('find %s -type f -name \'*.rpm\''
 122                                % plugin_location)
 123                 plugin_files.extend(r.splitlines())
 124             for f in plugin_files:
 125                 log('Found plugin %s, installing ...' % f)
 126                 r, e = s.exec_cmd('fuel plugins --install %s' % f, False)
 127                 printout = r + e if e else r
 128                 if e and all([err not in printout
 129                               for err in IGNORABLE_FUEL_ERRORS]):
 130                     raise Exception('Installation of Fuel Plugin %s '
 131                                     'failed: %s' % (f, e))
 132
 133     def wait_for_node_up(self):
 134         WAIT_LOOP = 240
 135         SLEEP_TIME = 10
 136         success = False
 137         for i in range(WAIT_LOOP):
 138             try:
 139                 self.ssh.open()
 140                 success = True
 141                 break
 142             except Exception:
 143                 log('Trying to SSH into Fuel VM %s ... sleeping %s seconds'
 144                     % (self.fuel_ip, SLEEP_TIME))
 145                 time.sleep(SLEEP_TIME)
 146             finally:
 147                 self.ssh.close()
 148
 149         if not success:
 150             raise Exception('Could not SSH into Fuel VM %s' % self.fuel_ip)
 151
 152     def wait_until_fuel_menu_up(self):
 153         WAIT_LOOP = 60
 154         SLEEP_TIME = 10
 155         CMD = 'ps -ef'
 156         SEARCH = 'fuelmenu'
 157         fuel_menu_pid = None
 158         with self.ssh:
 159             for i in range(WAIT_LOOP):
 160                 ret = self.ssh.exec_cmd(CMD)
 161                 fuel_menu_pid = self.get_fuel_menu_pid(ret, SEARCH)
 162                 if not fuel_menu_pid:
 163                     time.sleep(SLEEP_TIME)
 164                 else:
 165                     break
 166         if not fuel_menu_pid:
 167             raise Exception('Could not find the Fuel Menu Process ID')
 168         return fuel_menu_pid
 169
 170     def get_fuel_menu_pid(self, printout, search):
 171         for line in printout.splitlines():
 172             if line.endswith(search):
 173                 return clean(line)[1]
 174
 175     def ssh_exec_cmd(self, cmd, check=True):
 176         with self.ssh:
 177             ret = self.ssh.exec_cmd(cmd, check=check)
 178         return ret
 179
 180     def inject_own_astute_yaml(self):
 181         with self.ssh as s:
 182             s.exec_cmd('rm -rf %s' % self.work_dir, False)
 183             s.exec_cmd('mkdir %s' % self.work_dir)
 184             s.scp_put(self.dea_file, self.work_dir)
 185             s.scp_put('%s/common.py' % self.file_dir, self.work_dir)
 186             s.scp_put('%s/dea.py' % self.file_dir, self.work_dir)
 187             s.scp_put('%s/transplant_fuel_settings.py'
 188                       % self.file_dir, self.work_dir)
 189             log('Modifying Fuel astute')
 190             s.run('python %s/%s %s/%s'
 191                   % (self.work_dir, TRANSPLANT_FUEL_SETTINGS,
 192                      self.work_dir, os.path.basename(self.dea_file)))
 193
 194     def wait_until_installation_completed(self):
 195         WAIT_LOOP = 360
 196         SLEEP_TIME = 10
 197         CMD = 'ps -ef | grep %s | grep -v grep' % BOOTSTRAP_ADMIN
 198
 199         install_completed = False
 200         with self.ssh:
 201             for i in range(WAIT_LOOP):
 202                 ret = self.ssh.exec_cmd(CMD)
 203                 if not ret:
 204                     install_completed = True
 205                     break
 206                 else:
 207                     time.sleep(SLEEP_TIME)
 208
 209         if not install_completed:
 210             raise Exception('Fuel installation did not complete')
 211
 212     def post_install_cleanup(self):
 213         log('Eject ISO file %s' % self.iso_file)
 214         self.dha.node_eject_iso(self.fuel_node_id)
 215         delete(self.iso_dir)
 216
 217     def delete_deprecated_fuel_client_config(self):
 218         with self.ssh as s:
 219             response, error = s.exec_cmd('fuel -v', False)
 220         if (error and
 221             'DEPRECATION WARNING' in error and FUEL_CLIENT_CONFIG in error):
 222             log('Delete deprecated fuel client config %s' % FUEL_CLIENT_CONFIG)
 223             with self.ssh as s:
 224                 s.exec_cmd('rm %s' % FUEL_CLIENT_CONFIG, False)