Hi all
Could someone lend me a hand to figure looping over variables?
I've got a number of hosts which are grouped in the inventory quite
strictly in a rather traditional way:
dev-group1
hostA
hostB
tst-group1
hostC
hostD
pre-group1
hostE
hostF
pro-group1
hostG
hostH
dev-group2
hostI
hostJ
tst-group2
hostK
hostL
and so on...
I'm about to replace/template a great number of files in them and I'd like
to have local backups first ;)
The only requirement is that the files have to be fetched to an already
established structure that mimics the inventory:
/backup/dev-group1/
/backup/tst-group1/
etc...
So I made an attempt to loop over each group:
$ ansible-playbook fetch_from_server.yml -sK --extra-vars
"@fetch_loop_vars.yml" -v
fetch_loop_vars.yml looks like this:
---
file: '/root/.bash_profile'
my_groups: ['0dm-sap', 'dev-sap', 'tst-sap', 'pre-sap', 'pro-sap']
And my fetch_from_server.yml is this:
---
- hosts: '{{my_groups}}'
sudo: True
gather_facts: no
tasks:
- name: fetch the file from the server
fetch: src={{file}} dest=/backup/{{my_groups}}/{{inventory_hostname}}
I get this result when running:
ok: [hostA] => {"changed": false, "dest": "/backup/*[dev-group1,/hostA/*
root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostB] => {"changed": false, "dest": "/backup/*[dev-group1,/hostB/*
root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostD] => {"changed": false, "dest": "/backup/*[dev-group1,/hostC/*
root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostC] => {"changed": false, "dest": "/backup/*[dev-group1,/hostD/*
root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
And I'd like to get:
ok: [hostA] => {"changed": false, "dest": "/backup/*dev-group1/hostA*
/root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostB] => {"changed": false, "dest": "/backup/*dev-group1/hostB*
/root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostD] => {"changed": false, "dest": "/backup/*tst-group1/hostC*
/root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
ok: [hostC] => {"changed": false, "dest": "/backup/*tst-group1/hostD*
/root/.bash_profile", "file": "/root/.bash_profile", "md5sum":
"bab9333347e752b87add49020919a078"}
So the problems are:
- It's not iterating over {{my_groups}}. Every host is placed under the
first defined group: dev-group1
- It's actually writing the dir of the group as "[dev-group1," which of
course is not what I need.
I'm sure this is a trivial issue for those fluent in python, which
obviously is not my case.
Any help appreciated
Thanks!
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