Merged in DCD-937-nfs-v3 (pull request #83)

DCD-937: Move back to NFS v3 as using v4 conflicts with docs and is causing customer confusion.

Approved-by: Geoff Jacobs <gjacobs@atlassian.com>
Approved-by: Adam Brokes <abrokes@atlassian.com>

aws_bitbucket_dc_node.yml

@@ -12,6 +12,7 @@
 
     atl_nfs_mountpoint: "{{ atl_shared_mountpoint }}/bitbucket/shared"
     atl_nfs_target: "{{ atl_shared_mountpoint }}/bitbucket/shared"
+    atl_nfs_version: "3"
 
     atl_startup_systemd_params:
       - "UMask=0027"

roles/nfs_mount/defaults/main.yml

@@ -2,3 +2,4 @@
 
 atl_nfs_mountpoint: "{{ atl_shared_mountpoint }}"
 atl_nfs_target: "{{ atl_shared_mountpoint }}"
+atl_nfs_version: "4.1"

roles/nfs_mount/tasks/main.yml

@@ -13,5 +13,9 @@
     src: "{{ atl_fileserver_host }}:{{ atl_nfs_target }}"
     path: "{{ atl_nfs_mountpoint }}"
     fstype: nfs
-    opts: "rw,nfsvers=4.1,lookupcache=pos,noatime,intr,rsize=32768,wsize=32768,_netdev"
+    opts: "rw,nfsvers={{ atl_nfs_version }},lookupcache=pos,noatime,intr,rsize=32768,wsize=32768,_netdev"
     state: mounted
+  register: mount_result
+  until: not mount_result.failed
+  retries: 60
+  delay: 5