Cleanup HAProxy before re-deploying haproxy

HAProxy should not have an init that loads conf.d files, like it
was done on K, and removed in N, during the haproxy installation.
Else the installation of the package will fail, because it will
load the conf.d files.

Change-Id: I345089cc3493b90c1c4fbd2d47c51f83c65c94f4

leap-upgrades/re-deploy.sh

@@ -57,6 +57,7 @@ RUN_TASKS+=("lxc-containers-create.yml")
 # Setup Infrastructure
 RUN_TASKS+=("unbound-install.yml")
 RUN_TASKS+=("repo-install.yml")
+RUN_TASKS+=("${UPGRADE_UTILS}/haproxy-cleanup.yml")
 RUN_TASKS+=("haproxy-install.yml")
 RUN_TASKS+=("memcached-install.yml")
 RUN_TASKS+=("galera-install.yml")

leap-upgrades/upgrade-utilities/haproxy-cleanup.yml

@@ -0,0 +1,26 @@
+---
+- hosts: haproxy
+  gather_facts: no
+  tasks:
+    - name: Backup haproxy init file
+      fetch:
+        src: /etc/init.d/haproxy
+        dest: "/opt/leap42/haproxy-kilo-{{ ansible_date_time.epoch }}.init"
+    - name: Removing haproxy init
+      file:
+        path: /etc/init.d/haproxy
+        state: absent
+    - name: Override haproxy init with known one
+      unarchive:
+        src: haproxy-cleanup.init
+        dest: /etc/init.d/
+    - name: Ensure permissions for new haproxy init
+      file:
+        path: /etc/init.d/haproxy
+        mode: 0755
+        owner: root
+        group: root
+    - name: Cleanup haproxy configuration folder
+      file:
+        path: /etc/haproxy/conf.d/
+        state: absent