The nova.api.openstack.compute.hosts Module

The hosts admin extension.

class HostController

Bases: nova.api.openstack.wsgi.Controller

The Hosts API controller for the OpenStack API.

index(*args, **kwargs)

Returns a dict in the format

{‘hosts’: [{‘host_name’: ‘some.host.name’,

‘service’: ‘cells’,

‘zone’: ‘internal’},

{‘host_name’: ‘some.other.host.name’,

‘service’: ‘cells’,

‘zone’: ‘internal’},

{‘host_name’: ‘some.celly.host.name’,

‘service’: ‘cells’,

‘zone’: ‘internal’},

{‘host_name’: ‘console1.host.com’,

‘service’: ‘consoleauth’,

‘zone’: ‘internal’},

{‘host_name’: ‘network1.host.com’,

‘service’: ‘network’,

‘zone’: ‘internal’},

{‘host_name’: ‘netwwork2.host.com’,

‘service’: ‘network’,

‘zone’: ‘internal’},

{‘host_name’: ‘compute1.host.com’,

‘service’: ‘compute’,

‘zone’: ‘nova’},

{‘host_name’: ‘compute2.host.com’,

‘service’: ‘compute’,

‘zone’: ‘nova’},

{‘host_name’: ‘sched1.host.com’,

‘service’: ‘scheduler’,

‘zone’: ‘internal’},

{‘host_name’: ‘sched2.host.com’,

‘service’: ‘scheduler’,

‘zone’: ‘internal’},

{‘host_name’: ‘vol1.host.com’,

‘service’: ‘volume’,

‘zone’: ‘internal’}]}

reboot(*args, **kwargs)

show(*args, **kwargs)

Shows the physical/usage resource given by hosts.

Parameters:id – hostname Returns:expected to use HostShowTemplate. ex.:

{'host': {'resource':D},..}
D: {'host': 'hostname','project': 'admin',
    'cpu': 1, 'memory_mb': 2048, 'disk_gb': 30}

shutdown(*args, **kwargs)

startup(*args, **kwargs)

update(*args, **kwargs)

Return booleanized version of body dict.

Parameters:

• req (Request) – The request object (containing ‘nova-context’ env var).
• id (str) – The host name.
• body (dict) – example format {‘host’: {‘status’: ‘enable’, ‘maintenance_mode’: ‘enable’}}

Returns:

Same dict as body but ‘enable’ strings for ‘status’ and ‘maintenance_mode’ are converted into True, else False.

Return type:

dict

wsgi_actions = {}

wsgi_extensions = []

class Hosts(extension_info)

Bases: nova.api.openstack.extensions.V21APIExtensionBase

Admin-only host administration.

alias = 'os-hosts'

get_controller_extensions()

get_resources()

name = 'Hosts'

version = 1