I have a scenario where I need to be able to specify to use the group_vars
for a NTP timeserver, unless the host_vars are defined. All of the
variables are going to be coming out of an intermediary document that the
customer is going to be filling out, like this:
vars/customer_vars.yml
timeserver1_default: 1.1.1.1
timeserver2_default: 1.1.1.2
timeserver1_server1: 1.1.1.3
timeserver2_server1: 1.1.1.4
timeserver2_server2: ~
timeserver2_server2: ~
The above referenced variable file will be called in the playbook itself
using the vars_files module. And I know that host_vars take precedence
over group_vars, so i would like to be able to do this:
group_vars/all.yml
timeserver1: "{{ timeserver1_default }}"
timeserver2: "{{ timeserver2_default }}"
host_vars/server1.yml
timeserver1: "{{ timeserver1_server1 }}"
timeserver2: "{{ timeserver2_server2 }}"
host_vars/server2.yml
timeserver1: "{{ timeserver1_server2 }}"
timeserver2: "{{ timeserver2_server2 }}"
But I need to find a way around the fact, that if the host_var is defined
in any way, even if its empty, that's the one that gets used. Does anyone
know a way to default to a group_var if a host_var is empty? I could rename
the group_var ones and then write 2 different version of the conf file,
pulling one if the host_var is empty for a particular server and another if
its not, but I would really not have to have multiple versions of the same
form. It would seem like there is a better way of doing this that I just
don't know, but maybe not.......
Thanks!
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