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import subprocess
import sys
import time
import os
from dha import DeploymentHardwareAdapter
from dea import DeploymentEnvironmentAdapter
SUPPORTED_RELEASE = 'Juno on CentOS 6.5'
N = {'id': 0, 'status': 1, 'name': 2, 'cluster': 3, 'ip': 4, 'mac': 5,
'roles': 6, 'pending_roles': 7, 'online': 8}
E = {'id': 0, 'status': 1, 'name': 2, 'mode': 3, 'release_id': 4,
'changes': 5, 'pending_release_id': 6}
R = {'id': 0, 'name': 1, 'state': 2, 'operating_system': 3, 'version': 4}
RO = {'name': 0, 'conflicts': 1}
def exec_cmd(cmd):
process = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
shell=True)
return process.communicate()[0]
def parse(printout):
parsed_list = []
lines = printout.splitlines()
for l in lines[2:]:
parsed = [e.strip() for e in l.split('|')]
parsed_list.append(parsed)
return parsed_list
def err(error_message):
sys.stderr.write(error_message)
sys.exit(1)
class Deploy(object):
def __init__(self):
self.supported_release = None
def get_id_list(self, list):
return [l[0] for l in list]
def cleanup_fuel_environments(self, env_list):
WAIT_LOOP = 10
SLEEP_TIME = 2
id_list = self.get_id_list(env_list)
for id in id_list:
exec_cmd('fuel env --env %s --delete' % id)
for i in range(WAIT_LOOP):
if id in self.get_id_list(parse(exec_cmd('fuel env list'))):
time.sleep(SLEEP_TIME)
else:
continue
def cleanup_fuel_nodes(self, node_list):
for node in node_list:
if node[N['status']] == 'discover':
exec_cmd('fuel node --node-id %s --delete-from-db'
% node[N['id']])
exec_cmd('dockerctl shell cobbler cobbler system remove '
'--name node-%s' % node[N['id']])
def check_previous_installation(self):
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):
release_list= parse(exec_cmd('fuel release -l'))
for release in release_list:
if release[R['name']] == SUPPORTED_RELEASE:
self.supported_release = release
break
if not self.supported_release:
err("This Fuel doesn't contain the following "
"release: %s\n" % SUPPORTED_RELEASE)
def check_role_definitions(self):
role_list= parse(exec_cmd('fuel role --release %s'
% self.supported_release[R['id']]))
roles = [role[RO['name']] for role in role_list]
if 'compute' not in roles:
err("Role compute does not exist in release %"
% self.supported_release[R['name']])
if 'controller' not in roles:
err("Role controller does not exist in release %"
% self.supported_release[R['name']])
def check_prerequisites(self):
self.check_supported_release()
self.check_role_definitions()
self.check_previous_installation()
def count_discovered_nodes(self, node_list):
discovered_nodes = 0
for node in node_list:
if node[N['status']] == 'discover':
discovered_nodes += 1
return discovered_nodes
def wait_for_discovered_blades(self, no_of_blades):
WAIT_LOOP = 10
SLEEP_TIME = 2
all_discovered = False
node_list = parse(exec_cmd('fuel node list'))
for i in range(WAIT_LOOP):
if (self.count_discovered_nodes(node_list) < no_of_blades):
time.sleep(SLEEP_TIME)
node_list = parse(exec_cmd('fuel node list'))
else:
all_discovered = True
break
if not all_discovered:
err("There are %s blades defined, but not all of "
"them have been discovered\n" % no_of_blades)
def assign_cluster_node_ids(self, dha, dea, controllers, compute_hosts):
node_list= parse(exec_cmd('fuel node list'))
for shelf_id in dea.get_shelf_ids():
for blade_id in dea.get_blade_ids(shelf_id):
blade_mac_list = dha.get_blade_mac_addresses(
shelf_id, blade_id)
found = False
for node in node_list:
if (node[N['mac']] in blade_mac_list and
node[N['status']] == 'discover'):
found = True
break
if found:
if dea.is_controller(shelf_id, blade_id):
controllers.append(node[N['id']])
if dea.is_compute_host(shelf_id, blade_id):
compute_hosts.append(node[N['id']])
else:
err("Could not find the Node ID for blade "
"with MACs %s or blade is not in "
"discover status\n" % blade_mac_list)
def env_exists(self, env_name):
env_list = parse(exec_cmd('fuel env --list'))
for env in env_list:
if env[E['name']] == env_name and env[E['status']] == 'new':
return True
return False
def configure_environment(self, dea):
env_name = dea.get_environment_name()
exec_cmd('fuel env -c --name %s --release %s --mode ha --net neutron '
'--nst vlan' % (env_name, self.supported_release[R['id']]))
if not self.env_exists(env_name):
err("Failed to create environment %s" % env_name)
def main():
yaml_path = exec_cmd('pwd').strip() + '/dea.yaml'
deploy = Deploy()
dea = DeploymentEnvironmentAdapter()
if not os.path.isfile(yaml_path):
sys.stderr.write("ERROR: File %s not found\n" % yaml_path)
sys.exit(1)
dea.parse_yaml(yaml_path)
dha = DeploymentHardwareAdapter(dea.get_server_type())
deploy.check_prerequisites()
dha.power_off_blades()
dha.configure_networking()
dha.reset_to_factory_defaults()
dha.set_boot_order()
dha.power_on_blades()
dha.get_blade_mac_addresses()
deploy.wait_for_discovered_blades(dea.get_no_of_blades())
controllers = []
compute_hosts = []
deploy.assign_cluster_node_ids(dha, dea, controllers, compute_hosts)
deploy.configure_environment(dea)
if __name__ == '__main__':
main()
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