Add notes on retaining attached storage when destroying vagrant box

Vagrantfile

@@ -8,7 +8,7 @@ BOX_NAME = "devbox"
 
 Vagrant.configure("2") do |config|
 
-  config.vm.box = "geerlingguy/debian10"
+  config.vm.box = ENV["DEVBOX_BASE_BOX"] || "geerlingguy/debian10"
   config.vm.network "private_network", ip: ENV["DEVBOX_IP"] || "192.168.200.4", adapter: 2
   config.vm.hostname = "devbox.devops.detss.corpintra.net"
 

doc/Customization.md

@@ -35,9 +35,10 @@ Issues with nvidia graphics card (NVIDIA Corporation GK106GLM [Quadro K2100M]).
 
 # base boxes
 * geerlingguy https://app.vagrantup.com/geerlingguy
-  * gerlingguy/debian10 (https://github.com/geerlingguy/packer-debian-10)
+  * gerlingguy/debian10 (https://github.com/geerlingguy/packer-debian-10) `tested`
+  * geerlingguy/ubuntu1804
 * Ubuntu https://app.vagrantup.com/ubuntu/
-  * ubuntu/bionic64 (Ubuntu 18.04)
+  * ubuntu/bionic64 (Ubuntu 18.04) `DID NOT BOOT v20190918.0.0`
 
 * Generic https://app.vagrantup.com/generic/
   * Roboxes (https://roboxes.org/) is a project that encapsulates Packer templates for building base boxes suitable for use with Vagrant, Docker, or as generic open virtualization appliances. A subset of the templates are built and available from the Vagrant Cloud.

doc/Improvements.md

+# List of improvements to this setup
+
+### Vagrant
+Improvements relating to vagrant and its configuration.
+#### Do not destroy attached storage disks
+https://stackoverflow.com/questions/45038248/vagrant-detach-vdi-file-before-destroy-or-just-dont-remove-it
+https://stackoverflow.com/a/51859546
+
+* Does not work yet
+```
+    # detach drives before destroying box to ensure home partition will survive
+    config.trigger.before :destroy do
+      # info "dettaching drives"
+      DISKS.each do |disk|
+        vb.customize ['storageattach', "devbox",  '--storagectl', 'SATA Controller', '--port', disk["port"], '--device', 0, '--type', 'hdd', '--medium', "none"]
+      end
+    end
+```
\ No newline at end of file

playbook.yml

@@ -7,10 +7,6 @@
       - name: "IntelliJ IDEA Ultimate"
       - name: "PyCharm Professional"
   pre_tasks:
-    - name: "Update apt cache"
-      apt:
-        update_cache: yes
-        cache_valid_time: 86400 # one day
     - import_tasks: tasks/partitioning.yml
       tags: partition
   roles:

tasks/partitioning.yml

@@ -6,6 +6,11 @@
   loop_control:
     loop_var: disk
 
+- name: "Update apt cache"
+  apt:
+    update_cache: yes
+    cache_valid_time: 86400 # one day
+
 - name: Install rsync
   package:
     name: ["rsync", "parted"]