From 9dc1444cca10edb9e0fdf7a598dfb3af738d8632 Mon Sep 17 00:00:00 2001
From: Chris Hines <chris.hines@monash.edu>
Date: Thu, 23 Feb 2017 12:44:21 +1100
Subject: [PATCH] better filters to only execute shell commands when necessary
---
roles/etcHosts/tasks/main.yml | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/roles/etcHosts/tasks/main.yml b/roles/etcHosts/tasks/main.yml
index bc86805d..dadad0ef 100644
--- a/roles/etcHosts/tasks/main.yml
+++ b/roles/etcHosts/tasks/main.yml
@@ -2,18 +2,34 @@
copy: src=files/etcHosts dest=/etc/hosts owner=root mode=644
sudo: true
+- name: get hostname by sysctl
+ shell: sysctl kernel.hostname | cut -f 3 -d " "
+ register: sysctl_hostname
+ check_mode: no
+ become: true
+ become_user: root
+
- name: set hostname by sysctl
shell: sysctl kernel.hostname="{{ inventory_hostname }}"
sudo: true
+ when: not "{{ sysctl_hostname.stdout }}" == "{{ inventory_hostname }}"
+
+- name: get domainname by sysctl
+ shell: sysctl kernel.domainname | cut -f 3 -d " "
+ register: sysctl_domainname
+ check_mode: no
+ become: true
+ become_user: root
- name: set domainname by sysctl
shell: sysctl kernel.domainname="{{ domain }}"
sudo: true
+ when: not "{{ sysctl_domainname.stdout }}" == "{{ domain }}"
- name: set /etc/sysconfig/network on CentOS 6
lineinfile: dest=/etc/sysconfig/network line='HOSTNAME={{ inventory_hostname }}' regexp='^HOSTNAME'
sudo: true
- when: ansible_distribution == "CentOS"
+ when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "6"
- name: set /etc/sysctl.conf on Debian 8
lineinfile: dest=/etc/sysctl.conf line='kernel.domainname = {{ domain }}' regexp='^#kernel.domainname'
--
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