Hi all I've some variables scattered in my roles dirs:
fstype: [ 'xfs', 'ext4', 'ext3', 'btrfs', 'ufs' ] #enable check on all
partition of the listed types
default_limit: { limit: 90, unit: '%' }
mountpoints:
- { mount: "/", limit: 80, unit: "%" }
- { mount: "/usr/local" } #use default limit
#mntpoints: "{{ mountpoint|default(ansible_mounts|selectattr('fstype',
'in', fstype))|map('combine', default_limit)|list }}"
mntpoints: "{{ mountpoints|selectattr('limit','defined')|list +
mountpoints|selectattr('limit','undefined')|map('combine',default_limit)|list
if mountpoints|default([])|length > 0 else
ansible_mounts|selectattr('fstype', 'in',
fstype)|map('combine',default_limit)|list }}"
my aim is to get a list of mount points with a space limit defined or
otherwise set to a default value, if specific mounts aren't chosen the
filesystems of the specified types are yielded out..
And I got it the snippet works.. but it's really nasty, ahah I make python
gigs nasty... the revenge of the dirty perl guy.. anyway-
I've a lot of questions...
in the commented assignment the issue was that combine overwrote existent
limits...
so I had to opt for the long and repetitive filter chain..
Is possible to split the long jinja2 assignment on more lines to improve
readability? how?
Is there a more brilliant way to write my filter without creating a new
combine filter?
In order to improve the readability I'd like to shorten the ansible_mounts
hash
Is there a way to make projection (a sort of map over more fields)? Yes, I
know it's not useful, anyway I like to know if it's possible..
Would it be better placing the logic in the template file?
thanks
Luca
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