Hi,
I'm looking for a solution to limit size of required setup for set of
environments.
Below it is small chunk of bigger setup where I'm defining variables having
default values.
app_datasources:
- Target: BackendDS
Host: "{{ backed_db.host }}"
Port: "{{ backend_db.port }}"
Connection: "{{ backend_ds_connection }}"
- Target: WebDS
Host: "{{ web_db.host }}"
Port: "{{ web_db.port }}"
Connection: "{{ web_ds_connection }}"
backend_ds_connection: "{{ default_ds_connection }}"
web_ds_connection: "{{ default_ds_connection }}"
default_ds_connection:
- { Name: TxQueryTimeout, Value: "true" }
- { Name: BlockingTimeout, Value: 30000 }
I define variable backed_db and web_db variable for each inventory and I
can re-define backend_ds_connection / web_ds_connection placeholders if I
need.
Unfortunately this pattern doesn't scale well. I need to create hundreds of
"placeholders" where there is possibility to change that bit for
environment.
I'm looking at vars_plugins or action plugins to generate default values if
they are not defined per hosts.
For example if host define variable backend_ds.Connection.TxQueryTimeout =
100 then I would override what is defined with default_ds_connection,
otherwise it would use default values.
app_datasources:
- "{{ backend_ds }}"
- "{{ web_ds }}"
backend_ds:
Target: BackendDS
Host: "{{ backed_db.host }}"
Port: "{{ backend_db.port }}"
Connection: "{{ backend_ds_connection }}"
web_ds:
Target: WebDS
Host: "{{ web_db.host }}"
Port: "{{ web_db.port }}"
Connection: "{{ default_ds_connection }}"
default_ds_connection:
- { Name: TxQueryTimeout, Value: "true" }
- { Name: BlockingTimeout, Value: 30000 }
What do you think is the best way to achieve that? Are vars_plugins or
action plugins right way to go?
Regards
Kamil Demecki
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