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---
- hosts: Controller
vars:
metadata:
name: Check controller ulimits
description: >
This will check the ulimits of each controller.
groups:
- post-deployment
nofiles_min: 1024
nproc_min: 2048
tasks:
- name: Get nofiles limit
become: true
# NOTE: `ulimit` is a shell builtin so we have to invoke it like this:
command: sh -c "ulimit -n"
register: nofilesval
changed_when: False
- name: Check nofiles limit
fail:
msg: >
nofiles is set to {{ nofilesval.stdout }}. It should be at least
{{ nofiles_min }} or higher, depending on available resources.
failed_when: "nofilesval.stdout|int < nofiles_min"
- name: Get nproc limit
become: true
# NOTE: `ulimit` is a shell builtin so we have to invoke it like this:
command: sh -c "ulimit -u"
register: nprocval
changed_when: False
- name: Check nproc limit
fail:
msg: >
nproc is set to {{ nprocval.stdout }}. It should be at least
{{ nproc_min }} or higher, depending on available resources.
failed_when: "nprocval.stdout|int < nproc_min"