openstack/watcher
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70ba13ca6d
watcher/doc/source/strategies/node_resource_consolidation.rst
licanwei 10d8a5fbc2 Add node_resource_consolidation doc 
Partially Implements: blueprint node-resource-consolidation
Depends-on: Ia979781b32202c1821aa1cb91d24253fe6d7bd2d
Depends-on: I104c864d532c2092f5dc6f0c8f756ebeae12f09e

Change-Id: I8fa33a6559c9821e730f8e0babd8438ef45d7338
2019-09-05 00:58:58 -07:00

2.2 KiB
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Node Resource Consolidation Strategy

Synopsis

display name: Node Resource Consolidation Strategy

goal: Server Consolidation

watcher.decision_engine.strategy.strategies.node_resource_consolidation.NodeResourceConsolidation

Requirements

None.

Metrics

None

Cluster data model

Default Watcher's Compute cluster data model:

watcher.decision_engine.model.collector.nova.NovaClusterDataModelCollector

Actions

Default Watcher's actions:

action description
migration

watcher.applier.actions.migration.Migrate
change_nova_service_state

watcher.applier.actions.change_nova_service_state.ChangeNovaServiceState

Planner

Default Watcher's planner:

watcher.decision_engine.planner.weight.WeightPlanner

Configuration

Strategy parameters are:

parameter type default Value description

host_choice

String

The way to select the server migration destination node, The value auto means that Nova schedular selects the destination node, and specify means the strategy specifies the destination.

Efficacy Indicator

None

Algorithm

For more information on the Node Resource Consolidation Strategy please refer to: https://specs.openstack.org/openstack/watcher-specs/specs/train/approved/node-resource-consolidation.html

How to use it ?

$ openstack optimize audittemplate create \
  at1 server_consolidation \
  --strategy node_resource_consolidation

$ openstack optimize audit create \
  -a at1 -p host_choice=auto

External Links

None.