Le 2016-06-08 16:27, [email protected] a écrit :
New to Ansible. Looking for help with orchestrating actions which
depend on the state of applications on other servers. Can this be done
in Ansible?
Scenario:
server 1 running app 1
server 2 running app 2
server 3 running app 3
Need to stop app2 on server 2 but app 2 must not be stopped if either
app 1 or app 3 is up - app1 and app 3 are client apps which would
crash if app2 was brought down
i.e. need to know the state of app 1 and app 3 at the time a stop of
app 2 is attempted to make a decision whether to proceed or not
In other words can the state of multiple components on various servers
be maintained and tested before an action is performed. Essentialy a
state machine paradigm.
Any help appreciated.
Hi,
Perhaps you should have a look at this page :
http://docs.ansible.com/ansible/playbooks_delegation.html
I think you should use serial & max_fail_percentage...
But that does'nt change your organisation : you should test all changes
on qualification servers before production ones...
Regards,
JYL
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