openstack-一个脚本搞定openstack部署

╰半夏微凉° 2021-12-22 23:55 891阅读 0赞

本文把openstack部署的所有命令整理成一个完整的脚本，一个脚本解决所有问题。

一般部署分三步：1，安装openstack包；2，修改配置文件；3，运行这个脚本。

mydeploy.py

import os
    import commands
    status, CONTROLLER_HOSTNAME = commands.getstatusoutput('hostname')
    ADMIN_PASS='123456'
    MYSQL_PASS='123456'
    GLANCE_PASS = '123456'
    NOVA_PASS = '123456'
    NEUTRON_PASS = '123456'
    CINDER_PASS = '123456'
    KEYSTONE_DBPASS = '123456'
    GLANCE_DBPASS = '123456'
    NOVAAPI_DBPASS = '123456'
    NOVA_DBPASS = '123456'
    NEUTRON_DBPASS = '123456'
    CINDER_DBPASS = '123456'
    dbopt = {
             "keystone":  [{"sysuser": "keystone",  "dbname": "keystone",  "dbpasswd": KEYSTONE_DBPASS,  "dbsync": "keystone-manage db_sync"}],
             "glance":    [{"sysuser": "glance",    "dbname": "glance",    "dbpasswd": GLANCE_DBPASS,    "dbsync": "glance-manage db_sync"}],
             "nova":      [
                           {"sysuser": "nova",      "dbname": "nova_api",  "dbpasswd": NOVAAPI_DBPASS,   "dbsync": "nova-manage api_db sync"},
                           {"sysuser": "nova",      "dbname": "nova",      "dbpasswd": NOVA_DBPASS,      "dbsync": "nova-manage db sync"}
                          ],
             "neutron":   [{"sysuser": "neutron",   "dbname": "neutron",   "dbpasswd": NEUTRON_DBPASS,   "dbsync": "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head"}],
             "cinder":    [{"sysuser": "cinder",    "dbname": "cinder",    "dbpasswd": CINDER_DBPASS,    "dbsync": "cinder-manage db sync"}]
            }
    serviceopt ={
                  "glance": [{"name":"glance",   "type":"image",    "description":"OpenStack Image",         "http":"http://%s:9292" % CONTROLLER_HOSTNAME}],
                  "nova":   [{"name":"nova",     "type":"compute",  "description":"OpenStack Compute",       "http":"http://%s:8774/v2.1/%%\(tenant_id\)s" % CONTROLLER_HOSTNAME}],
                  "neutron":[{"name":"neutron",  "type":"network",  "description":"OpenStack Networking",    "http":"http://%s:9696" % CONTROLLER_HOSTNAME}],
                  "cinder": [
                             {"name":"cinder",   "type":"volume",   "description":"OpenStack Block Storage", "http":"http://%s:8776/v1/%%\(tenant_id\)s" % CONTROLLER_HOSTNAME},
                             {"name":"cinderv2", "type":"volumev2", "description":"OpenStack Block Storage", "http":"http://%s:8776/v2/%%\(tenant_id\)s" % CONTROLLER_HOSTNAME}
                            ]
                 }
    admin_env ={
                 "OS_USERNAME": "admin",
                 "OS_PASSWORD": ADMIN_PASS,
                 "OS_PROJECT_NAME": "admin",
                 "OS_USER_DOMAIN_NAME": "Default",
                 "OS_PROJECT_DOMAIN_NAME": "Default",
                 "OS_AUTH_URL": "http://%s:35357/v3" % CONTROLLER_HOSTNAME,
                 "OS_IDENTITY_API_VERSION": "3",
                 "OS_IMAGE_API_VERSION": "2"
               }
    def exec_cmd(cmd):
        print "==>: " + cmd
        status, output = commands.getstatusoutput(cmd)
        if status != 0:
            raise Exception("[%s] \nCommand exec error: %s" % (cmd, output))
    def create_db(dbs):
        for db in dbs:
            try:
                sql = "DROP DATABASE %s; " % db['dbname']
                cmd = "mysql -uroot -p%s -e \"%s\"" % (MYSQL_PASS, sql)
                exec_cmd(cmd)
            except Exception as e:
                pass
            sql = "CREATE DATABASE %s; " % db['dbname'] + \
                  "GRANT ALL PRIVILEGES ON %s.* TO '%s'@'localhost' IDENTIFIED BY '%s'; " % (db['dbname'], db['sysuser'], db['dbpasswd']) + \
                  "GRANT ALL PRIVILEGES ON %s.* TO '%s'@'%%' IDENTIFIED BY '%s'" % (db['dbname'], db['sysuser'], db['dbpasswd'])
            cmd = "mysql -uroot -p%s -e \"%s\"" % (MYSQL_PASS, sql)
            exec_cmd(cmd)
            cmd = "su -s /bin/sh -c \"%s\" %s" % (db['dbsync'], db['sysuser'])
            exec_cmd(cmd)
     
    def keystone_init():
        cmd = "keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone; " + \
              "keystone-manage credential_setup --keystone-user keystone --keystone-group keystone; " + \
              "keystone-manage bootstrap --bootstrap-password %s " % ADMIN_PASS + \
              "--bootstrap-admin-url http://%s:35357/v3/ " % CONTROLLER_HOSTNAME + \
              "--bootstrap-internal-url http://%s:35357/v3/ " % CONTROLLER_HOSTNAME + \
              "--bootstrap-public-url http://%s:5000/v3/ " % CONTROLLER_HOSTNAME + \
              "--bootstrap-region-id RegionOne"
        exec_cmd(cmd)
    def create_project_service():
        cmd = "openstack project create --domain default --description \"Service Project\" service"
        exec_cmd(cmd)
    def create_user_and_service(user,passwd):
        def __create_service(services):
            for service in services:
                cmd = "openstack service create --name %s --description \"%s\" %s; " %(service['name'], service['description'],service['type']) + \
                      "openstack endpoint create --region RegionOne %s public %s; " %(service['type'], service['http']) + \
                      "openstack endpoint create --region RegionOne %s internal %s; " %(service['type'], service['http']) + \
                      "openstack endpoint create --region RegionOne %s admin %s " %(service['type'], service['http'])
                exec_cmd(cmd)
            
        cmd = "openstack user create --domain default --password %s %s" % (passwd, user)
        exec_cmd(cmd)
        cmd = "openstack role add --project service --user %s admin" % user
        exec_cmd(cmd)
        __create_service(serviceopt[user])
     
    def print_result():
        os.environ.update(admin_env)
        cmd = "openstack token issue ; " + \
              "openstack project list; " + \
              "openstack service list; " + \
              "openstack endpoint list "
        os.system(cmd)
    def deploy(name):
        if name == 'all':
            create_db(dbopt['keystone'])
            keystone_init()
            os.environ.update(admin_env)
            create_project_service()
            create_user_and_service('glance', GLANCE_PASS)
            create_user_and_service('nova', NOVA_PASS)
            create_user_and_service('neutron', NEUTRON_PASS)
            create_user_and_service('cinder', CINDER_PASS)
        os.environ.update(admin_env)
        if name == 'all' or name == 'glance':
            create_db(dbopt['glance'])
        if name == 'all' or name == 'nova':
            create_db(dbopt['nova'])
        if name == 'all' or name == 'neutron':
            create_db(dbopt['neutron'])
        if name == 'all' or name == 'cinder':
            create_db(dbopt['cinder'])
        print_result()

来，试一下：

在python下

\# import mydeploy  
\# mydeploy.deploy("all")

如果想重置数据库，例如nova的数据库，也可以直接deploy.deploy("nova")，其他的数据库也类似。