Add ubuntu18

  * Info about Ubiquity https://wiki.ubuntu.com/UbiquityAutomation
    - we do exactly partitioning=> no possibility for now, to use
    new installer type.
  * Move growlvm.py to commons

Change-Id: Iabda3770b368a48919fef89d3a78cae388f60168
Prod-related: PROD-28155 (PROD:28155)
diff --git a/ubuntu-18.04/run.example.sh b/ubuntu-18.04/run.example.sh
new file mode 100755
index 0000000..4694f39
--- /dev/null
+++ b/ubuntu-18.04/run.example.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# pre-requirments:
+# apt-get install cloud-localds
+# Cloudimg: wget https://cloud-images.ubuntu.com/xenial/XXXX/xenial-server-cloudimg-amd64-disk1.img
+# Packer: https://releases.hashicorp.com/packer/1.1.3/packer_1.1.3_linux_amd64.zip
+
+# Those script - only example for variables, which should be passed to packer and
+# overwrite variables under /scripts/ directory
+
+# External script sources:
+# http/bootstrap.saltstack.com.sh https://github.com/saltstack/salt-bootstrap
+#
+export IMAGE_NAME="ubuntu-18-04-x64"
+export MIRROR_HOSTNAME="mirror.mirantis.com"
+export MIRROR_DIRECTORY="/testing/ubuntu/"
+
+#export SALTSTACK_REPO="deb [arch=amd64] http://mirror.mirantis.com/proposed/saltstack-2017.7/xenial xenial main"
+#export SALTSTACK_GPG="https://mirror.mirantis.com/proposed/saltstack-2017.7/trusty/SALTSTACK-GPG-KEY.pub"
+export SALTSTACK_REPO="deb [arch=amd64] http://repo.saltstack.com/apt/ubuntu/18.04/amd64/2017.7/ bionic main"
+export SALTSTACK_GPG="http://repo.saltstack.com/apt/ubuntu/18.04/amd64/2017.7/SALTSTACK-GPG-KEY.pub"
+###
+# Hard-coded folder in template
+export PACKER_IMAGES_CACHE="${HOME}/packer_images_cache/"
+mkdir -p "${PACKER_IMAGES_CACHE}"
+
+export PACKER_KEY_INTERVAL='10ms'
+export PACKER_LOG=1
+# For qemu test-build:
+[ -f config-drive/cloudata.iso ] && rm -v config-drive/cloudata.iso
+mkisofs -o config-drive/cloudata.iso -V cidata -r -J --quiet config-drive
+# For qemu test-build:
+/home/alexz/bin/packer build -machine-readable -only=qemu -parallel=false -on-error=ask template.json
+#rm -rf ~/.packer.d/
+