From af3930a58a2f993669e1c459a530324b0ed4a5e0 Mon Sep 17 00:00:00 2001
From: Emilien Mantel <emilien.mantel@debianiste.org>
Date: Wed, 11 May 2016 17:21:52 +0200
Subject: [PATCH] New feature: upstream state (remove upstream if needed)

---
 doc/upstream.md    | 2 ++
 tasks/upstream.yml | 9 +++++++++
 tests/test.yml     | 7 +++++++
 3 files changed, 18 insertions(+)

diff --git a/doc/upstream.md b/doc/upstream.md
index 94d04df..7d3147d 100644
--- a/doc/upstream.md
+++ b/doc/upstream.md
@@ -11,6 +11,7 @@ Upstream params
 - `name`: upstream name. Can be use in vhost with *proxy_pass http://upstream_name*
 - `params`: list of param (hash, zone...)
 - `servers`: each upstream MUST have at least 1 server
+- `state`: Optional. Can be 'absent' or 'present'
 
 Server params
 -------------
@@ -38,4 +39,5 @@ nginx_upstreams:
         max_conns: 150
         weight: 10
         down: false
+    state: 'present'
 ```
diff --git a/tasks/upstream.yml b/tasks/upstream.yml
index 4092630..8a9ec8f 100644
--- a/tasks/upstream.yml
+++ b/tasks/upstream.yml
@@ -12,4 +12,13 @@
     src=etc/nginx/upstream/upstream.conf.j2
     dest={{ nginx_etc_dir }}/conf.d/upstream-{{ item.name }}.conf
   with_items: "{{ nginx_upstreams }}"
+  when: item.state is not defined or item.state == 'present'
+  notify: reload nginx
+
+- name: FILE | Delete other upstreams
+  file: >
+    path={{ nginx_etc_dir }}/conf.d/upstream-{{ item.name }}.conf
+    state=absent
+  with_items: "{{ nginx_upstreams }}"
+  when: item.state is defined and item.state == 'absent'
   notify: reload nginx
diff --git a/tests/test.yml b/tests/test.yml
index 3292e29..ec36356 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -24,6 +24,13 @@
             max_conns: 150
             weight: 10
             down: false
+      - name: 'test-absent'
+        servers:
+          - path: '127.0.0.1:80'
+            max_conns: 150
+            weight: 10
+            down: false
+        state: 'absent'
     nginx_htpasswd:
       - name: 'hello'
         description: 'Please login!'