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quantum_in_keystone_setup.py
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quantum_in_keystone_setup.py
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#!/usr/bin/python
#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
#
# Setup quantum confguration in keystone server
#
import os
import sys
import argparse
import ConfigParser
from fabric.api import run
from fabric.context_managers import settings
from keystoneclient.v2_0 import client
from keystoneclient import utils as ksutils
from keystoneclient import exceptions
import platform
class QuantumSetup(object):
def __init__(self, args_str = None):
# Parse arguments
self._args = None
if not args_str:
args_str = ' '.join(sys.argv[1:])
self._parse_quant_args(args_str)
self._args_user = self._args.user
self._args_passwd = self._args.password
self._args_quant_tenant_name = self._args.svc_tenant_name
self._args_svc_passwd = self._args.svc_password
self._args_region_name = self._args.region_name
self._args_tenant_id = self._args.tenant
self._args_quant_ip = self._args.quant_server_ip
self._args_root_password = self._args.root_password
self._args_quant_url = "http://%s:9696" % (self._args_quant_ip)
self._args_ks_ip = self._args.ks_server_ip
self._auth_url = "http://%s:35357/v2.0" % (self._args_ks_ip)
# Flag to enable/disable quantum if needed
# self._enable_quantum = True
# some constants
self._quant_svc_type = "network"
if os.path.exists("/etc/neutron"):
self._quant_svc_name = "neutron"
self._quant_user_name = "neutron"
else:
self._quant_svc_name = "quantum"
self._quant_user_name = "quantum"
self._quant_admin_name = "admin"
try:
self.kshandle = client.Client(username=self._args_user,
password=self._args_passwd,
tenant_name=self._args_tenant_id,
auth_url=self._auth_url)
except Exception as e:
print e
raise e
# end __init__
def _parse_quant_args(self, args_str):
'''
Eg. quantum_server_setup -- ks_server_ip <ip-address>
--quant_server_ip <ip-address> --tenant <id> --user <user>
--password <passwd> --svc_password <passwd>
'''
# Source any specified config/ini file
# Turn off help, so we print all options in response to -h
conf_parser = argparse.ArgumentParser(add_help = False)
conf_parser.add_argument("-c", "--conf_file",
help="Specify config file", metavar="FILE")
args, remaining_argv = conf_parser.parse_known_args(args_str.split())
keystone_server_defaults = {
'ks_server_ip': '127.0.0.1',
'quant_server_ip': '127.0.0.1',
'tenant': 'admin',
'user': 'admin',
'password': 'contrail123',
'svc_password': 'contrail123',
'svc_tenant_name': 'service',
'root_password': 'c0ntrail123',
'region_name': 'RegionOne',
}
if args.conf_file:
config = ConfigParser.SafeConfigParser()
config.read([args.conf_file])
keystone_server_defaults.update(dict(config.items("GLOBAL")))
# Override with CLI options
# Don't surpress add_help here so it will handle -h
parser = argparse.ArgumentParser(
# Inherit options from config_parser
parents=[conf_parser],
# print script description with -h/--help
description=__doc__,
# Don't mess with format of description
formatter_class=argparse.RawDescriptionHelpFormatter,
)
all_defaults = { 'keystone': keystone_server_defaults }
parser.set_defaults(**all_defaults)
parser.add_argument("--ks_server_ip", help = "IP Address of quantum server")
parser.add_argument("--quant_server_ip", help = "IP Address of quantum server")
parser.add_argument("--tenant", help = "Tenant ID on keystone server")
parser.add_argument("--user", help = "User ID to access keystone server")
parser.add_argument("--password", help = "Password to access keystone server")
parser.add_argument("--svc_password", help = "Quantum/Neutron service password on keystone server")
parser.add_argument("--svc_tenant_name", help = "Quantum/Neutron service tenant name on keystone server")
parser.add_argument("--root_password", help = "Root password for keystone server")
parser.add_argument("--region_name", help = "Region Name for quantum endpoint")
self._args = parser.parse_args(remaining_argv)
# end _parse_quant_args
def quant_set_tenant_id(self):
# check if quantum tenant exists
try:
quant_tenant = self.kshandle.tenants.find(name=self._args_quant_tenant_name)
if quant_tenant:
# service tenant exists! return
print "tenant %s exists!" % (self._args_quant_tenant_name)
return quant_tenant.id
except exceptions.NotFound as e:
pass
# tenant does not exist, create one
try:
quant_tenant = self.kshandle.tenants.create(tenant_name=self._args_quant_tenant_name,
description=self._args_quant_tenant_name,
enabled=True)
except Exception as e:
print e
raise e
return quant_tenant.id
# end quant_set_tenant_id
def quant_set_svc_id(self):
# check if quantum service exists
try:
quant_svc = self.kshandle.services.find(name=self._quant_svc_name)
if quant_svc:
# service exists! return
print "service %s exists!" % (self._quant_svc_name)
return quant_svc.id
except exceptions.NotFound as e:
pass
# service does not exist, create one
try:
quant_svc = self.kshandle.services.create(name=self._quant_svc_name,
service_type=self._quant_svc_type,
description=self._quant_svc_type)
except Exception as e:
raise e
return quant_svc.id
# end quant_set_svc_id
def quant_set_user_id(self):
# check if quantum service user exists
try:
quant_user = self.kshandle.users.find(name=self._quant_user_name)
if quant_user:
# user exists! return
print "user %s exists! updating its password" % (self._quant_user_name)
quant_user = self.kshandle.users.update_password(quant_user.id, self._args_svc_passwd)
return quant_user.id
except exceptions.NotFound as e:
pass
# users does not exist, create one
try:
quant_user = self.kshandle.users.create(name=self._quant_user_name,
password=self._args_svc_passwd,
email="%s@example.com" % (self._quant_user_name),
tenant_id=self.quant_tenant_id)
except Exception as e:
print e
raise e
return quant_user.id
# end quant_set_user_id
def quant_set_admin_role_id(self):
# check if admin role exists
try:
quant_role = self.kshandle.roles.find(name=self._quant_admin_name)
if quant_role:
# admin role exists! return
print "admin role exists!"
return quant_role.id
except exceptions.NotFound as e:
pass
# admin role does not exist, create one
try:
quant_role = self.kshandle.roles.create(name=self._quant_admin_name)
except Exception as e:
print e
raise e
return quant_role.id
# end quant_set_admin_role_id
def quant_set_user_admin_role(self):
# check if role is already admin
ks_uroles = self.kshandle.users.list_roles(self.quant_user_id, self.quant_tenant_id)
if len(ks_uroles):
quant_urole = [urole for urole in ks_uroles if urole.name == "admin"]
if len(quant_urole):
# role exists! return
print "user role is already admin !"
return
# role admin does not exist, create one
try:
self.kshandle.roles.add_user_role(user=self.quant_user_id,
role=self.admin_role_id,
tenant=self.quant_tenant_id)
except Exception as e:
print e
raise e
return
# end quant_set_user_admin_role
def quant_set_endpoints(self):
# check if endpoint exists
try:
quant_ends = self.kshandle.endpoints.find(service_id=self.quant_svc_id)
if quant_ends:
# service tenant exists! possible that the openstack node is setup independently
# delete and recreate it
print "Delete existing service endpoint and recreate."
self.kshandle.endpoints.delete(quant_ends.id)
except exceptions.NotFound as e:
pass
# service endpoint does not exist, create one
try:
self.kshandle.endpoints.create(region=self._args.region_name,
service_id=self.quant_svc_id,
publicurl=self._args_quant_url,
adminurl=self._args_quant_url,
internalurl=self._args_quant_url)
except Exception as e:
print e
raise e
return
# end quant_set_endpoints
def do_quant_setup(self):
pdist = platform.dist()[0]
# get service tenant ID
self.quant_tenant_id = self.quant_set_tenant_id()
# get quantum service ID
self.quant_svc_id = self.quant_set_svc_id()
# get quantum user ID
self.quant_user_id = self.quant_set_user_id()
# get admin role ID
self.admin_role_id = self.quant_set_admin_role_id()
# set quantum to admin role
self.quant_set_user_admin_role()
# Create quantum endpoints now
self.quant_set_endpoints()
if not os.path.exists("/etc/neutron"):
#Fix the quantum url safely as openstack node may have been setup independently
with settings(host_string='root@%s' %(self._args_ks_ip), password = self._args_root_password):
run('openstack-config --set /etc/nova/nova.conf DEFAULT quantum_url %s' % self._args_quant_url)
if pdist == 'Ubuntu':
run('service keystone restart')
run('service nova-api restart')
else:
run('service openstack-keystone restart')
run('service openstack-nova-api restart')
# end do_quant_setup
# end class QuantumSetup
def main(args_str = None):
quant_obj = QuantumSetup(args_str)
quant_obj.do_quant_setup()
# end main
if __name__ == "__main__":
main()