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