fuel/deploy/install_fuel_master.py

   1 import common
   2 import time
   3 import os
   4 from ssh_client import SSHClient
   5 from dha_adapters.libvirt_adapter import LibvirtAdapter
   6
   7 log = common.log
   8 err = common.err
   9 clean = common.clean
  10
  11 TRANSPLANT_FUEL_SETTINGS = 'transplant_fuel_settings.py'
  12 BOOTSTRAP_ADMIN = '/usr/local/sbin/bootstrap_admin_node'
  13
  14 class InstallFuelMaster(object):
  15
  16     def __init__(self, dea_file, dha_file, fuel_ip, fuel_username, fuel_password,
  17                  fuel_node_id, iso_file, work_dir):
  18         self.dea_file = dea_file
  19         self.dha = LibvirtAdapter(dha_file)
  20         self.fuel_ip = fuel_ip
  21         self.fuel_username = fuel_username
  22         self.fuel_password = fuel_password
  23         self.fuel_node_id = fuel_node_id
  24         self.iso_file = iso_file
  25         self.work_dir = work_dir
  26         self.file_dir = os.path.dirname(os.path.realpath(__file__))
  27         self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
  28                              self.fuel_password)
  29
  30     def install(self):
  31         log('Start Fuel Installation')
  32
  33         self.dha.node_power_off(self.fuel_node_id)
  34
  35         log('Zero the MBR')
  36         self.dha.node_zero_mbr(self.fuel_node_id)
  37
  38         self.dha.node_set_boot_order(self.fuel_node_id, ['disk', 'iso'])
  39
  40         self.proceed_with_installation()
  41
  42     def proceed_with_installation(self):
  43         log('Eject ISO')
  44         self.dha.node_eject_iso(self.fuel_node_id)
  45
  46         log('Insert ISO %s' % self.iso_file)
  47         self.dha.node_insert_iso(self.fuel_node_id, self.iso_file)
  48
  49         self.dha.node_power_on(self.fuel_node_id)
  50
  51         log('Waiting for Fuel master to accept SSH')
  52         self.wait_for_node_up()
  53
  54         log('Wait until Fuel menu is up')
  55         fuel_menu_pid = self.wait_until_fuel_menu_up()
  56
  57         log('Inject our own astute.yaml settings')
  58         self.inject_own_astute_yaml()
  59
  60         log('Let the Fuel deployment continue')
  61         log('Found FUEL menu as PID %s, now killing it' % fuel_menu_pid)
  62         self.ssh_exec_cmd('kill %s' % fuel_menu_pid, False)
  63
  64         log('Wait until installation complete')
  65         self.wait_until_installation_completed()
  66
  67         log('Waiting for one minute for Fuel to stabilize')
  68         time.sleep(60)
  69
  70         log('Eject ISO')
  71         self.dha.node_eject_iso(self.fuel_node_id)
  72
  73         log('Fuel Master installed successfully !')
  74
  75     def wait_for_node_up(self):
  76         WAIT_LOOP = 60
  77         SLEEP_TIME = 10
  78         success = False
  79         for i in range(WAIT_LOOP):
  80             try:
  81                 self.ssh.open()
  82                 success = True
  83                 break
  84             except Exception as e:
  85                 log('Trying to SSH into Fuel VM %s ... sleeping %s seconds'
  86                     % (self.fuel_ip, SLEEP_TIME))
  87                 time.sleep(SLEEP_TIME)
  88             finally:
  89                 self.ssh.close()
  90
  91         if not success:
  92            err('Could not SSH into Fuel VM %s' % self.fuel_ip)
  93
  94     def wait_until_fuel_menu_up(self):
  95         WAIT_LOOP = 60
  96         SLEEP_TIME = 10
  97         CMD = 'ps -ef'
  98         SEARCH = 'fuelmenu'
  99         fuel_menu_pid = None
 100         with self.ssh:
 101             for i in range(WAIT_LOOP):
 102                 ret = self.ssh.exec_cmd(CMD)
 103                 fuel_menu_pid = self.get_fuel_menu_pid(ret, SEARCH)
 104                 if not fuel_menu_pid:
 105                     time.sleep(SLEEP_TIME)
 106                 else:
 107                     break
 108         if not fuel_menu_pid:
 109             err('Could not find the Fuel Menu Process ID')
 110         return fuel_menu_pid
 111
 112     def get_fuel_menu_pid(self, printout, search):
 113         fuel_menu_pid = None
 114         for line in printout.splitlines():
 115             if search in line:
 116                 fuel_menu_pid = clean(line)[1]
 117                 break
 118         return fuel_menu_pid
 119
 120     def ssh_exec_cmd(self, cmd, check=True):
 121         with self.ssh:
 122             ret = self.ssh.exec_cmd(cmd, check=check)
 123         return ret
 124
 125     def inject_own_astute_yaml(self):
 126         dest ='~/%s/' % self.work_dir
 127
 128         with self.ssh as s:
 129             s.exec_cmd('rm -rf %s' % self.work_dir, check=False)
 130             s.exec_cmd('mkdir ~/%s' % self.work_dir)
 131             s.scp_put(self.dea_file, dest)
 132             s.scp_put('%s/common.py' % self.file_dir, dest)
 133             s.scp_put('%s/dea.py' % self.file_dir, dest)
 134             s.scp_put('%s/transplant_fuel_settings.py' % self.file_dir, dest)
 135             log('Modifying Fuel astute')
 136             s.run('python ~/%s/%s ~/%s/%s'
 137                   % (self.work_dir, TRANSPLANT_FUEL_SETTINGS,
 138                      self.work_dir, os.path.basename(self.dea_file)))
 139
 140     def wait_until_installation_completed(self):
 141         WAIT_LOOP = 320
 142         SLEEP_TIME = 10
 143         CMD = 'ps -ef | grep %s | grep -v grep' % BOOTSTRAP_ADMIN
 144
 145         install_completed = False
 146         with self.ssh:
 147             for i in range(WAIT_LOOP):
 148                 ret = self.ssh.exec_cmd(CMD)
 149                 if not ret:
 150                     install_completed = True
 151                     break
 152                 else:
 153                     time.sleep(SLEEP_TIME)
 154
 155         if not install_completed:
 156             err('Fuel installation did not complete')