Support composable Hostmetadata #63
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The flexjoin() macro simplifies support for mergable and composable
structures. All three of these data structures will result in the string
'a s d f'. The third structure, using dicts, also supports pillar merging.
- 'a s d f'
- [ a, s, d, f]
- { a: ~, s: ~, d: ~, f: ~}
Take advantage of Salt's pillar merging to compose host metadata; in
this way, we can apply multiple roles to a node and have the Zabbix
agent report the combination of applied roles to the Zabbix server. In
turn, we can automatically apply role-specific templates through the
Zabbix server's host registration process.
The following pillar data structures are all valid:
- zabbix-agent: # Not mergable
hostmetadata: my-host-metadata # Not mergable
- zabbix-agent: # Not mergable; Zabbix cannot merge lists
hostmetadata:
- metadata component 1
- metadata component 2
- metadata component 3
- zabbix-agent: # Supports pillar merging
hostmetadata:
metadata component 1:
metadata component 2:
metadata component 3:
|
with pillar_merge_lists: true even the second variant should work. |
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Take advantage of Salt's pillar merging to compose host metadata; in
this way, we can apply multiple roles to a node and have the Zabbix
agent report the combination of applied roles to the Zabbix server. In
turn, we can automatically apply role-specific templates through the
Zabbix server's host registration process.
The following pillar data structures are all valid:
zabbix-agent: # Not mergable
hostmetadata: my-host-metadata # Not mergable
zabbix-agent: # Not mergable; Zabbix cannot merge lists
hostmetadata:
- metadata component 1
- metadata component 2
- metadata component 3
zabbix-agent: # Supports pillar merging
hostmetadata:
metadata component 1:
metadata component 2:
metadata component 3: