Comparison of grains and pillar in Saltstack

1. Storage location

Grains:minion End

Pillar:master End

2. Data type

Grains: Static data

Pillar: Dynamic Data

3. Data collection and Update method

Grains:minion is collected at startup, or it can be refreshed with salt ' * ' saltutil.sync_grains

Pillar: Defined on the master side, assigned to the corresponding minion. You can refresh with salt ' * ' saltutil.refresh_pillar

4. Application

Grains: Storage Minion basic protective gear, such as for matching minion, its own receipts can be used to do asset management, etc.

Pillar: Store master specified data, only specified minion can be seen for sensitive data preservation

This article is from the "architects of the Day" blog, be sure to keep this source http://wanyuetian.blog.51cto.com/3984643/1717224

Comparison of grains and pillar in Saltstack