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import time
import yaml
import io
import sys
import common
from dea import DeploymentEnvironmentAdapter
from configure_environment import ConfigureEnvironment
from deployment import Deployment
YAML_CONF_DIR = '/var/lib/opnfv'
N = common.N
E = common.E
R = common.R
RO = common.RO
exec_cmd = common.exec_cmd
parse = common.parse
err = common.err
check_file_exists = common.check_file_exists
log = common.log
commafy = common.commafy
ArgParser = common.ArgParser
class Deploy(object):
def __init__(self, dea_file, macs_file):
self.dea = DeploymentEnvironmentAdapter(dea_file)
self.macs_file = macs_file
self.macs_per_blade = {}
self.blades = self.dea.get_node_ids()
self.node_ids_dict = {}
self.node_id_roles_dict = {}
self.supported_release = None
self.env_id = None
self.wanted_release = self.dea.get_wanted_release()
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']])
exec_cmd('fuel env --env %s --delete' % env[E['id']])
all_env_erased = False
for i in range(WAIT_LOOP):
env_list = parse(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']])
exec_cmd('fuel node --node-id %s --delete-from-db'
% node[N['id']])
exec_cmd('cobbler system remove --name node-%s'
% node[N['id']], False)
def check_previous_installation(self):
log('Check previous installation')
env_list = parse(exec_cmd('fuel env list'))
if env_list:
self.cleanup_fuel_environments(env_list)
node_list = parse(exec_cmd('fuel node list'))
if node_list:
self.cleanup_fuel_nodes(node_list)
def check_supported_release(self):
log('Check supported release: %s' % self.wanted_release)
release_list = parse(exec_cmd('fuel release -l'))
for release in release_list:
if release[R['name']] == self.wanted_release:
self.supported_release = release
break
if not self.supported_release:
err('This Fuel does not contain the following release: %s'
% self.wanted_release)
def check_prerequisites(self):
log('Check prerequisites')
self.check_supported_release()
self.check_previous_installation()
def get_mac_addresses(self):
with io.open(self.macs_file, 'r') as stream:
self.macs_per_blade = yaml.load(stream)
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.node_ids_dict.iteritems():
if not node_id:
return False
return True
def not_discovered_blades_summary(self):
summary = ''
for blade, node_id in self.node_ids_dict.iteritems():
if not node_id:
summary += '\n[blade %s]' % blade
return summary
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.node_ids_dict[blade] = node[N['id']]
def discovery_waiting_loop(self, discovered_macs):
WAIT_LOOP = 320
SLEEP_TIME = 10
all_discovered = False
for i in range(WAIT_LOOP):
node_list = parse(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 wait_for_discovered_blades(self):
log('Wait for discovered blades')
discovered_macs = []
for blade in self.blades:
self.node_ids_dict[blade] = None
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())
def assign_roles_to_cluster_node_ids(self):
self.node_id_roles_dict = {}
for blade, node_id in self.node_ids_dict.iteritems():
roles = commafy(self.dea.get_node_role(blade))
self.node_id_roles_dict[node_id] = (roles, blade)
def configure_environment(self):
config_env = ConfigureEnvironment(self.dea, YAML_CONF_DIR,
self.supported_release[R['id']],
self.node_id_roles_dict)
config_env.configure_environment()
self.env_id = config_env.env_id
def deploy_cloud(self):
dep = Deployment(self.dea, YAML_CONF_DIR, self.env_id,
self.node_id_roles_dict)
dep.deploy()
def deploy(self):
self.get_mac_addresses()
self.check_prerequisites()
self.wait_for_discovered_blades()
self.assign_roles_to_cluster_node_ids()
self.configure_environment()
self.deploy_cloud()
def parse_arguments():
parser = ArgParser(prog='python %s' % __file__)
parser.add_argument('dea_file', action='store',
help='Deployment Environment Adapter: dea.yaml')
parser.add_argument('macs_file', action='store',
help='Blade MAC addresses: macs.yaml')
args = parser.parse_args()
check_file_exists(args.dea_file)
check_file_exists(args.macs_file)
return (args.dea_file, args.macs_file)
def main():
dea_file, macs_file = parse_arguments()
deploy = Deploy(dea_file, macs_file)
deploy.deploy()
if __name__ == '__main__':
main()
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