[BROOKLYN-433] YAML-based config constraint to support regex

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.10.0
• Fix Version/s: 0.11.0
• Assignee: Aled Sage
• Reporter: Aled Sage
• Created: 03/Feb/17 12:50
• Updated: 11/Apr/17 11:01
• Resolved: 11/Apr/17 11:01

Description

One can specify constraints on a config key's value, to give a validation error if an invalid value is supplied.

In the Java code, this can be any predicate.

However, in YAML we don't support many options. It would be good to support a regex constraint. For example:

brooklyn.parameters:
- name: address
  type: string
  constraints:
  - required
  - regex: ^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$

See docs at https://raw.githubusercontent.com/apache/brooklyn-docs/master/guide/yaml/yaml-reference.md, and code at https://github.com/apache/brooklyn-server/blob/master/core/src/main/java/org/apache/brooklyn/core/objs/BasicSpecParameter.java#L204-L205

Issue Links

• links to: GitHub Pull Request #151
• links to: GitHub Pull Request #558