How to persist variables/facts in ansible?

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1

checking out the documentation, modules like set_fact and register have scope only for that specific host. There are many purpose of using the variables from one host to another.

Alternatives I can think of:

  1. using Command module and echoing the variables to a file. Later, using the variable file using vars section or include.

  2. Setting the env variables and then accessing it but this will be difficult.

So what is the solution?

2

Hello,

You can use hostvars[hostname] to get facts set by other hosts. play_hosts array is also useful.

The following playbook collects root’s SSH public keys from all hosts, then distributes keys back to all hosts.

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