Add insecure Vagrant default key, set a default root password, update Ansible submodule, prepare Vagrant tests

.gitignore

@@ -1,2 +1,3 @@
 /builds
 /packer_cache
+/.vagrant

Vagrantfile

@@ -0,0 +1,5 @@
+Vagrant.configure('2') do |config|
+  config.vm.box = 'builds/virtualbox-mastodon-ubuntu1604.box'
+  config.vm.box_check_update = true
+  config.vm.network 'private_network', type: 'dhcp'
+end

ansible

@@ -1 +1 @@
-Subproject commit 92e4cdddbc402922b99f7b6cadab858f2bdbed0b
+Subproject commit cc8b0b3d51baf2e9eabf7fd0d8e31caa6eb596b7

packer.json

@@ -1,8 +1,14 @@
 {
+  "variables": {
+    "user": "vagrant",
+    "password": "vagrant"
+  },
   "provisioners": [
-    {
-      "type": "ansible",
-      "playbook_file": "ansible/playbook.yml"
+    { "type": "shell",
+      "inline": [
+        "install -m0700 -o {{user `user`}} -g {{user `user`}} -d /home/{{user `user`}}/.ssh",
+        "curl -SsL https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/vagrant.pub -o /home/{{user `user`}}/.ssh/authorized_keys"
+      ]
     }
   ],
   "builders": [
@@ -42,8 +48,8 @@
       "iso_urls": "http://releases.ubuntu.com/16.04/ubuntu-16.04.2-server-amd64.iso",
       "iso_checksum_type": "sha256",
       "iso_checksum": "737ae7041212c628de5751d15c3016058b0e833fdc32e7420209b76ca3d0a535",
-      "ssh_username": "vagrant",
-      "ssh_password": "vagrant",
+      "ssh_username": "{{user `user`}}",
+      "ssh_password": "{{user `user`}}",
       "ssh_wait_timeout": "20m",
       "shutdown_command": "echo 'vagrant'|sudo -S shutdown -P now",
       "vm_name": "packer-ubuntu-16.04-amd64",

preseeds/preseed.cfg

@@ -16,7 +16,7 @@ d-i partman/choose_partition select finish
 d-i partman/confirm boolean true
 d-i partman/confirm_nooverwrite boolean true
 d-i partman/confirm_write_new_label boolean true
-d-i pkgsel/include string openssh-server linux-source dkms nfs-common
+d-i pkgsel/include string openssh-server linux-source dkms nfs-common curl
 d-i pkgsel/install-language-support boolean false
 d-i pkgsel/update-policy select none
 d-i pkgsel/upgrade select full-upgrade
@@ -28,7 +28,12 @@ d-i keyboard-configuration/layoutcode string us
 d-i keyboard-configuration/modelcode string pc105
 d-i debian-installer/locale string en_US
 
-# Create vagrant user account.
+# Set the root password
+d-i passwd/root-login boolean true
+d-i passwd/root-password password vagrant
+d-i passwd/root-password-again password vagrant
+
+# Setup the user account
 d-i passwd/user-fullname string vagrant
 d-i passwd/username string vagrant
 d-i passwd/user-password password vagrant