Rename lxd-init to setup, add general setup

Make it so that allowed_auths only returns "password"

lxd-init.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-yes '' | lxd init

setup.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -e
+
+export DEBIAN_FRONTEND=noninteractive
+
+sudo apt-get update -y
+sudo apt-get upgrade -y
+sudo apt-get install snapd
+sudo snap install lxd
+
+yes '' | lxd init
+
+sudo apt-get install python3-pip
+python3 -m pip install paramiko pylxd sshim

sshim_patch.py

@@ -25,4 +25,5 @@ Handler.check_auth_none = check_auth_none
 Handler.check_auth_password = check_auth_password
 Handler.check_auth_publickey = check_auth_publickey
 Handler.enable_auth_gssapi = enable_auth_gssapi
+Handler.get_allowed_auths = paramiko.server.ServerInterface.get_allowed_auths