change default vmx version and update doc

doc/image.md

@@ -74,3 +74,17 @@ Build the OVA:
 ```sh
 make image build=packer/mymediaserver.json
 ```
+
+## Troubleshoot
+
+### Hypervisor version incompatibility
+
+If the produced OVA is not compatible with the hypervisor, try to change the "VM compatibility mode" by changing the value of `version` option.
+
+More infromation:
+
+- <https://packer.io/docs/builders/vmware-iso.html#version>
+
+### Build failed
+
+If a build fail at one of the Ansible steps, you can set to `true` the `keep_registred` and `skip_export` options, then connect to the VM on the hypervisor and do some diagnostics.

packer/example.json

@@ -15,6 +15,7 @@
   "builders": [
     {
       "type": "vmware-iso",
+      "version": 11,
       "vm_name": "ubicast-{{ user `name` }}",
       "display_name": "ubicast-{{ user `name` }}",
       "output_directory": "output",
@@ -54,7 +55,9 @@
       "ssh_password": "ubicast",
       "ssh_timeout": "15m",
       "headless": false,
-      "shutdown_command": "shutdown -P now"
+      "shutdown_command": "shutdown -P now",
+      "keep_registered": false,
+      "skip_export": false
     }
   ],
   "provisioners": [

roles/rocketchat/defaults/main.yml

@@ -34,7 +34,7 @@ rc_npm_packages:
 rc_node_version: 12.14.0
 
 # version & archive url
-rc_version: 3.0.12
+rc_version: 3.1.0
 rc_url: https://releases.rocket.chat/{{ rc_version }}/download
 
 # where to install