vm

#!/usr/bin/env bash

# pretty print things witch color!
pretty() {
  # first arg is one of [info, warn, error]
  case $1 in
    "info")  COLOR="\e[1;34m"  ;; # blue
    "warn")  COLOR="\e[1;33m"  ;; # yellow
    "error") COLOR="\e[1;31m"  ;; # red
    *)       COLOR="\e[1;34m"  ;; # blue
  esac
  # print second arg
  printf "$COLOR[VM SCRIPT]:: $2 ::"
  printf "\e[0m"
  echo
}

# Switch over actions
case $1 in
  "up")
    pretty "info" "Checking existing snapshots"
    if [[ $(vagrant snapshot list) == *vanilla* ]]; then
      pretty "info" "Vanilla snapshot found. Running [vagrant up]"
      vagrant up
    else
      pretty "info" "Vanilla snapshot not found. Creating new VM"
      vagrant up --no-provision
      pretty "info" "Creating [vanilla] snapshot of the VM"
      vagrant snapshot save vanilla
      pretty "info" "Provisioning VM"
      ANSIBLE_STDOUT_CALLBACK=debug
      vagrant provision
    fi
    ;;
  "destroy")
    pretty "info" "Destroying VM"
    vagrant destroy
    ;;
  "provision")
    pretty "info" "Provisioning VM"
    vagrant provision
    ;;
  "vanilla")
    pretty "info" "Restoring vanilla snapshot [no provisioning]"
    pretty "info" "After restore, run [vagrant provision] to provision VM"
    vagrant snapshot restore vanilla --no-provision
    eval $INSTALL_PACKGE
    ;;
  "recreate")
    pretty "info" "Attempting to restore vanilla snapshot"
    if [[ $(vagrant snapshot list) == *vanilla* ]]; then
      pretty "info" "Vanilla snapshot exists, restoring and provisioning"
      vagrant snapshot restore vanilla
    else
      pretty "info" "Vanilla snapshot not found. Creating new VM [./vm up]"
      ./vm up
    fi
    ;;
  "help")
    echo "
    A helper script to run usefull vagrant commands
    
    Usage: ./vm [action]

    actions:
      help........You're looking at it.
      up..........Create VM, take vanilla snapshot* then provison.
      destroy.....Runs: [vagrant destroy].
      provision...Runs [vagrant provision]
      vanilla.....Restores vanilla snapshot but does not provision it.
      recreate....Restore vanilla snapshot and provision it
                  If snapshot does not exist, run [./vm provision].
                  
      *Vanilla snapshot: This is a VM snapshot taken when [./vm up] is 
                         first run and before provisioning. This means 
                         that vanilla snapshot has no AEM or anything
                         else installed. Hence, vanilla.

      "
    ;;
  *)
    pretty "error" "oops only allowed arguments are: [help, up, destroy, provision, vanilla, recreate]"
    exit 1
    ;;
esac