Role objectΒΆ
You can create, update or delete roles using Nailgun REST API and Fuel Client.
For Fuel CLI command reference, see Role management commands.
This section provides the Controller role example:
id: 9
meta:
conflicts:
- compute
description: The controller initiates orchestration activities and provides an external
API. Other components like Glance (image storage), Keystone (identity management),
Horizon (OpenStack dashboard) and Nova-Scheduler are installed on the controller
as well.
has_primary: true
limits:
min: 1
overrides:
- condition: cluster:mode == 'multinode'
max: 1
message: Multi-node environment can not have more than one controller node.
- condition: cluster:mode == 'ha_compact'
message: At least 3 controller nodes are recommended for HA deployment.
recommended: 3
name: Controller
update_required:
- compute
- cinder
name: controller
volumes_roles_mapping:
- allocate_size: min
id: os
- allocate_size: all
id: image
The following fields are mandatory:
name: controller
meta:
name: Controller
description: Description goes here
# at least one volume is required
volumes_roles_mapping:
- allocate_size: min
id: os
Primary behaviour for node can be enabled with has_primary: true option.
If this option is set to during orchestration, you will be able to assign separate
tasks for primary-controller and controller.
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