Nova

class playback.nova.Nova(user='ubuntu', hosts=None, key_filename=None, password=None, parallel=True, *args, **kwargs)

Bases: playback.common.Common

Deploy Nova

Parameters:
  • user(str) – the user for remote server to login
  • hosts(list) – this is a second param
  • key_filename(str) – the ssh private key to used, default None
  • password(str) – the password for remote server
  • parallel(bool) – paralleler execute on remote server, default True
Returns:

None
Examples:
# create two instances
nova1 = Nova(
    user='ubuntu',
    hosts=['controller1']
)
nova2 = Nova(
    user='ubuntu',
    hosts=['controller2']
)

# create nova database
nova1.create_nova_db(
    root_db_pass='changeme',
    nova_db_pass='changeme'
)

# create service credentials
nova1.create_service_credentials(
    os_password='changeme',
    os_auth_url='http://192.168.1.1:35357/v3',
    nova_pass='changeme'
    public_endpoint='http://192.168.1.1:8774/v2.1/%\(tenant_id\)s'
    internal_endpoint='http://192.168.1.1:8774/v2.1/%\(tenant_id\)s'
    admin_endpoint='http://192.168.1.1:8774/v2.1/%\(tenant_id\)s'
)

# install nova
nova1.install_nova(
    connection='mysql+pymysql://nova:changeme@192.168.1.1/nova',
    api_connection='mysql+pymysql://nova:changeme@192.168.1.1/nova_api',
    auth_uri='http://192.168.1.1:5000',
    auth_url='http://192.168.1.1:35357',
    nova_pass='changeme',
    my_ip='192.168.1.2',
    memcached_servers='controller1:11211,controller2:11211',
    rabbit_hosts='controller1,controller2',
    rabbit_user='openstack',
    rabbit_pass='changeme',
    glance_api_servers='http://192.168.1.1:9292',
    neutron_endpoint='http://192.168.1.1:9696',
    neutron_pass='changeme',
    metadata_proxy_shared_secret='changeme',
    populate=True
)
nova2.install_nova(
    connection='mysql+pymysql://nova:changeme@192.168.1.1/nova',
    api_connection='mysql+pymysql://nova:changeme@192.168.1.1/nova_api',
    auth_uri='http://192.168.1.1:5000',
    auth_url='http://192.168.1.1:35357',
    nova_pass='changeme',
    my_ip='192.168.1.3',
    memcached_servers='controller1:11211,controller2:11211',
    rabbit_hosts='controller1,controller2',
    rabbit_user='openstack',
    rabbit_pass='changeme',
    glance_api_servers='http://192.168.1.1:9292',
    neutron_endpoint='http://192.168.1.1:9696',
    neutron_pass='changeme',
    metadata_proxy_shared_secret='changeme'
)
create_nova_db(*args, **kwargs)

Create the nova and nova_api database and the user named nova

Parameters:
  • root_db_pass – the password of mysql database root user
  • nova_db_pass – the password of nova database user
Returns:

None
create_service_credentials(*args, **kwargs)

Create the nova service credentials

Parameters:
  • os_password – the password of openstack admin user
  • os_auth_url – keystone endpoint url e.g. http://CONTROLLER_VIP:35357/v3
  • nova_pass – passowrd of nova user
  • public_endpoint – public endpoint for nova service e.g. http://CONTROLLER_VIP:8774/v2.1/%\(tenant_id\)s
  • internal_endpoint – internal endpoint for nova service e.g. http://CONTROLLER_VIP:8774/v2.1/%\(tenant_id\)s
  • admin_endpoint – admin endpoint for nova service e.g. http://CONTROLLER_VIP:8774/v2.1/%\(tenant_id\)s
Returns:

None
install_nova(*args, **kwargs)

Install nova

Parameters:
  • connection – (String) The SQLAlchemy connection string to use to connect to the Nova API database. e.g. mysql+pymysql://nova:NOVA_PASS@CONTROLLER_VIP/nova
  • api_connection – mysql nova_api database SQLAlchemy connection string e.g. mysql+pymysql://nova:NOVA_PASS@CONTROLLER_VIP/nova_api
  • auth_uri – (String) Complete public Identity API endpoint. e.g. http://CONTROLLER_VIP:5000
  • auth_url – (String) Authentication endpoint e.g. http://CONTROLLER_VIP:35357
  • nova_pass – passowrd of nova user
  • my_ip – (String) IP address of this host
  • memcached_servers – A list of memcached server(s) to use for caching. (list value) e.g. CONTROLLER1:11211,CONTROLLER2:11211
  • rabbit_hosts – RabbitMQ HA cluster host:port pairs. (list value) e.g. CONTROLLER1,CONTROLLER2
  • rabbit_user – The RabbitMQ userid. (string value) e.g. openstack
  • rabbit_pass – The RabbitMQ password. (string value)
  • glance_api_servers – (List) A list of the glance api servers endpoints available to nova. These should be fully qualified urls of the form scheme://hostname:port[/path] e.g. http://CONTROLLER_VIP:9292
  • neutron_endpoint – neutron endpoint e.g. http://CONTROLLER_VIP:9696
  • neutron_pass – the password of neutron user
  • metadata_proxy_shared_secret – (String) Shared secret to validate proxies Neutron metadata requests
  • populate – populate the nova database
Returns:

None