From 0c5cc59bc651d87f133658189ec95969007eca59 Mon Sep 17 00:00:00 2001
From: Victor LABORIE <vlaborie@evolix.fr>
Date: Fri, 19 May 2017 12:06:29 +0200
Subject: [PATCH] Add nameserver role

---
 nameserver/README.md      | 13 +++++++++++++
 nameserver/tasks/main.yml | 27 +++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 nameserver/README.md
 create mode 100644 nameserver/tasks/main.yml

diff --git a/nameserver/README.md b/nameserver/README.md
new file mode 100644
index 00000000..dc5ead9a
--- /dev/null
+++ b/nameserver/README.md
@@ -0,0 +1,13 @@
+# nameserver
+
+Set nameserver in /etc/resolv.conf.
+
+## Tasks
+
+Everything is in the `tasks/main.yml` file.
+
+## Available variables
+
+Main variables are :
+
+* `nameservers` : list of IP addresses of DNS servers ;
diff --git a/nameserver/tasks/main.yml b/nameserver/tasks/main.yml
new file mode 100644
index 00000000..4623fffc
--- /dev/null
+++ b/nameserver/tasks/main.yml
@@ -0,0 +1,27 @@
+---
+- name: Get actual nameserver
+  shell: grep nameserver /etc/resolv.conf | awk '{ print $2 }'
+  register: grep_nameserver
+  check_mode: no
+  changed_when: false
+  tags:
+  - nameserver
+
+- name: Set nameserver
+  lineinfile:
+    dest: /etc/resolv.conf
+    line: "nameserver {{ item }}"
+    state: present
+  with_items: "{{ nameservers }}"
+  tags:
+  - nameserver
+
+- name: Unset others nameserver
+  lineinfile:
+    dest: /etc/resolv.conf
+    line: "nameserver {{ item }}"
+    state: absent
+  with_items: "{{ grep_nameserver.stdout_lines }}"
+  when: item not in nameservers
+  tags:
+  - nameserver