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###############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# szilard.cserey@ericsson.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
###############################################################################
import os
import io
import yaml
import glob
import time
from ssh_client import SSHClient
import common
exec_cmd = common.exec_cmd
err = common.err
check_file_exists = common.check_file_exists
log = common.log
parse = common.parse
commafy = common.commafy
N = common.N
E = common.E
R = common.R
RO = common.RO
CLOUD_DEPLOY_FILE = 'deploy.py'
BLADE_RESTART_TIMES = 3
class CloudDeploy(object):
def __init__(self, dea, dha, fuel_ip, fuel_username, fuel_password,
dea_file, work_dir, no_health_check):
self.dea = dea
self.dha = dha
self.fuel_ip = fuel_ip
self.fuel_username = fuel_username
self.fuel_password = fuel_password
self.dea_file = dea_file
self.work_dir = work_dir
self.no_health_check = no_health_check
self.file_dir = os.path.dirname(os.path.realpath(__file__))
self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
self.fuel_password)
self.blade_node_file = '%s/blade_node.yaml' % self.file_dir
self.node_ids = self.dha.get_node_ids()
self.wanted_release = self.dea.get_property('wanted_release')
self.blade_node_dict = {}
self.macs_per_blade = {}
def upload_cloud_deployment_files(self):
with self.ssh as s:
s.exec_cmd('rm -rf %s' % self.work_dir, False)
s.exec_cmd('mkdir %s' % self.work_dir)
s.scp_put(self.dea_file, self.work_dir)
s.scp_put(self.blade_node_file, self.work_dir)
s.scp_put('%s/common.py' % self.file_dir, self.work_dir)
s.scp_put('%s/dea.py' % self.file_dir, self.work_dir)
for f in glob.glob('%s/cloud/*' % self.file_dir):
s.scp_put(f, self.work_dir)
def power_off_nodes(self):
for node_id in self.node_ids:
self.dha.node_power_off(node_id)
def power_on_nodes(self):
for node_id in self.node_ids:
self.dha.node_power_on(node_id)
def set_boot_order(self, boot_order_list):
for node_id in self.node_ids:
self.dha.node_set_boot_order(node_id, boot_order_list[:])
def get_mac_addresses(self):
self.macs_per_blade = {}
for node_id in self.node_ids:
self.macs_per_blade[node_id] = self.dha.get_node_pxe_mac(node_id)
def run_cloud_deploy(self, deploy_app):
log('START CLOUD DEPLOYMENT')
deploy_app = '%s/%s' % (self.work_dir, deploy_app)
dea_file = '%s/%s' % (self.work_dir, os.path.basename(self.dea_file))
blade_node_file = '%s/%s' % (
self.work_dir, os.path.basename(self.blade_node_file))
with self.ssh as s:
status = s.run(
'python %s %s %s %s' % (
deploy_app, ('-nh' if self.no_health_check else ''),
dea_file, blade_node_file))
return status
def check_supported_release(self):
log('Check supported release: %s' % self.wanted_release)
found = False
release_list = parse(self.ssh.exec_cmd('fuel release -l'))
for release in release_list:
if release[R['name']] == self.wanted_release:
found = True
break
if not found:
err('This Fuel does not contain the following release: %s'
% self.wanted_release)
def check_previous_installation(self):
log('Check previous installation')
env_list = parse(self.ssh.exec_cmd('fuel env list'))
if env_list:
self.cleanup_fuel_environments(env_list)
node_list = parse(self.ssh.exec_cmd('fuel node list'))
if node_list:
self.cleanup_fuel_nodes(node_list)
def cleanup_fuel_environments(self, env_list):
WAIT_LOOP = 60
SLEEP_TIME = 10
for env in env_list:
log('Deleting environment %s' % env[E['id']])
self.ssh.exec_cmd('fuel env --env %s --delete --force'
% env[E['id']])
all_env_erased = False
for i in range(WAIT_LOOP):
env_list = parse(self.ssh.exec_cmd('fuel env list'))
if env_list:
time.sleep(SLEEP_TIME)
else:
all_env_erased = True
break
if not all_env_erased:
err('Could not erase these environments %s'
% [(env[E['id']], env[E['status']]) for env in env_list])
def cleanup_fuel_nodes(self, node_list):
for node in node_list:
if node[N['status']] == 'discover':
log('Deleting node %s' % node[N['id']])
self.ssh.exec_cmd('fuel node --node-id %s --delete-from-db '
'--force' % node[N['id']])
self.ssh.exec_cmd('cobbler system remove --name node-%s'
% node[N['id']], False)
def check_prerequisites(self):
log('Check prerequisites')
with self.ssh:
self.check_supported_release()
self.check_previous_installation()
def wait_for_discovered_blades(self):
log('Wait for discovered blades')
discovered_macs = []
restart_times = BLADE_RESTART_TIMES
for blade in self.node_ids:
self.blade_node_dict[blade] = None
with self.ssh:
all_discovered = self.discovery_waiting_loop(discovered_macs)
while not all_discovered and restart_times != 0:
restart_times -= 1
for blade in self.get_not_discovered_blades():
self.dha.node_reset(blade)
with self.ssh:
all_discovered = self.discovery_waiting_loop(discovered_macs)
if not all_discovered:
err('Not all blades have been discovered: %s'
% self.not_discovered_blades_summary())
with io.open(self.blade_node_file, 'w') as stream:
yaml.dump(self.blade_node_dict, stream, default_flow_style=False)
def discovery_waiting_loop(self, discovered_macs):
WAIT_LOOP = 360
SLEEP_TIME = 10
all_discovered = False
for i in range(WAIT_LOOP):
node_list = parse(self.ssh.exec_cmd('fuel node list'))
if node_list:
self.node_discovery(node_list, discovered_macs)
if self.all_blades_discovered():
all_discovered = True
break
else:
time.sleep(SLEEP_TIME)
return all_discovered
def node_discovery(self, node_list, discovered_macs):
for node in node_list:
if (node[N['status']] == 'discover' and
node[N['online']] == 'True' and
node[N['mac']] not in discovered_macs):
discovered_macs.append(node[N['mac']])
blade = self.find_mac_in_dict(node[N['mac']])
if blade:
log('Blade %s discovered as Node %s with MAC %s'
% (blade, node[N['id']], node[N['mac']]))
self.blade_node_dict[blade] = node[N['id']]
def find_mac_in_dict(self, mac):
for blade, mac_list in self.macs_per_blade.iteritems():
if mac in mac_list:
return blade
def all_blades_discovered(self):
for blade, node_id in self.blade_node_dict.iteritems():
if not node_id:
return False
return True
def not_discovered_blades_summary(self):
summary = ''
for blade, node_id in self.blade_node_dict.iteritems():
if not node_id:
summary += '\n[blade %s]' % blade
return summary
def get_not_discovered_blades(self):
not_discovered_blades = []
for blade, node_id in self.blade_node_dict.iteritems():
if not node_id:
not_discovered_blades.append(blade)
return not_discovered_blades
def set_boot_order_nodes(self):
self.power_off_nodes()
self.set_boot_order(['pxe', 'disk'])
self.power_on_nodes()
def deploy(self):
self.set_boot_order_nodes()
self.check_prerequisites()
self.get_mac_addresses()
self.wait_for_discovered_blades()
self.upload_cloud_deployment_files()
return self.run_cloud_deploy(CLOUD_DEPLOY_FILE)
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