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import common
import time
import os
from ssh_client import SSHClient
from dha_adapters.libvirt_adapter import LibvirtAdapter
log = common.log
err = common.err
clean = common.clean
TRANSPLANT_FUEL_SETTINGS = 'transplant_fuel_settings.py'
BOOTSTRAP_ADMIN = '/usr/local/sbin/bootstrap_admin_node'
class InstallFuelMaster(object):
def __init__(self, dea_file, dha_file, fuel_ip, fuel_username, fuel_password,
fuel_node_id, iso_file, work_dir):
self.dea_file = dea_file
self.dha = LibvirtAdapter(dha_file)
self.fuel_ip = fuel_ip
self.fuel_username = fuel_username
self.fuel_password = fuel_password
self.fuel_node_id = fuel_node_id
self.iso_file = iso_file
self.work_dir = work_dir
self.file_dir = os.path.dirname(os.path.realpath(__file__))
self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
self.fuel_password)
def install(self):
log('Start Fuel Installation')
self.dha.node_power_off(self.fuel_node_id)
log('Zero the MBR')
self.dha.node_zero_mbr(self.fuel_node_id)
self.dha.node_set_boot_order(self.fuel_node_id, ['disk', 'iso'])
self.proceed_with_installation()
def proceed_with_installation(self):
log('Eject ISO')
self.dha.node_eject_iso(self.fuel_node_id)
log('Insert ISO %s' % self.iso_file)
self.dha.node_insert_iso(self.fuel_node_id, self.iso_file)
self.dha.node_power_on(self.fuel_node_id)
log('Waiting for Fuel master to accept SSH')
self.wait_for_node_up()
log('Wait until Fuel menu is up')
fuel_menu_pid = self.wait_until_fuel_menu_up()
log('Inject our own astute.yaml settings')
self.inject_own_astute_yaml()
log('Let the Fuel deployment continue')
log('Found FUEL menu as PID %s, now killing it' % fuel_menu_pid)
self.ssh_exec_cmd('kill %s' % fuel_menu_pid, False)
log('Wait until installation complete')
self.wait_until_installation_completed()
log('Waiting for one minute for Fuel to stabilize')
time.sleep(60)
log('Eject ISO')
self.dha.node_eject_iso(self.fuel_node_id)
log('Fuel Master installed successfully !')
def wait_for_node_up(self):
WAIT_LOOP = 60
SLEEP_TIME = 10
success = False
for i in range(WAIT_LOOP):
try:
self.ssh.open()
success = True
break
except Exception as e:
log('Trying to SSH into Fuel VM %s ... sleeping %s seconds'
% (self.fuel_ip, SLEEP_TIME))
time.sleep(SLEEP_TIME)
finally:
self.ssh.close()
if not success:
err('Could not SSH into Fuel VM %s' % self.fuel_ip)
def wait_until_fuel_menu_up(self):
WAIT_LOOP = 60
SLEEP_TIME = 10
CMD = 'ps -ef'
SEARCH = 'fuelmenu'
fuel_menu_pid = None
with self.ssh:
for i in range(WAIT_LOOP):
ret = self.ssh.exec_cmd(CMD)
fuel_menu_pid = self.get_fuel_menu_pid(ret, SEARCH)
if not fuel_menu_pid:
time.sleep(SLEEP_TIME)
else:
break
if not fuel_menu_pid:
err('Could not find the Fuel Menu Process ID')
return fuel_menu_pid
def get_fuel_menu_pid(self, printout, search):
fuel_menu_pid = None
for line in printout.splitlines():
if search in line:
fuel_menu_pid = clean(line)[1]
break
return fuel_menu_pid
def ssh_exec_cmd(self, cmd, check=True):
with self.ssh:
ret = self.ssh.exec_cmd(cmd, check=check)
return ret
def inject_own_astute_yaml(self):
dest ='~/%s/' % self.work_dir
with self.ssh as s:
s.exec_cmd('rm -rf %s' % self.work_dir, check=False)
s.exec_cmd('mkdir ~/%s' % self.work_dir)
s.scp_put(self.dea_file, dest)
s.scp_put('%s/common.py' % self.file_dir, dest)
s.scp_put('%s/dea.py' % self.file_dir, dest)
s.scp_put('%s/transplant_fuel_settings.py' % self.file_dir, dest)
log('Modifying Fuel astute')
s.run('python ~/%s/%s ~/%s/%s'
% (self.work_dir, TRANSPLANT_FUEL_SETTINGS,
self.work_dir, os.path.basename(self.dea_file)))
def wait_until_installation_completed(self):
WAIT_LOOP = 360
SLEEP_TIME = 10
CMD = 'ps -ef | grep %s | grep -v grep' % BOOTSTRAP_ADMIN
install_completed = False
with self.ssh:
for i in range(WAIT_LOOP):
ret = self.ssh.exec_cmd(CMD)
if not ret:
install_completed = True
break
else:
time.sleep(SLEEP_TIME)
if not install_completed:
err('Fuel installation did not complete')
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