create-config-drive refactoring

* What's new:
  - Added new create_config_drive script
  - Switched config drive from CIData to OpenStack native v2
  - Added ability to specify nework config via config drive

* Old setup:
  - stays untouched

New setup:
  - Deprecated network setup in user_data both for master and mirror
  - Added ability to specify instance user and credentials.
  - Deprecated ssh failsafe function
  - Migrated from state.sls to state.apply in new configurations
  - Fixed syntax for directories management
  - Added ability to use FORMULAS env variable if specified

Related-Prod: PROD-28144 (PROD:28144)
Related-Prod: PROD-23902 (PROD:23902)
Change-Id: Ieddc5dfb2969f9e827a3bfcb970feceeb1ca12e1
4 files changed
tree: 7a97bf409e14b71cff5f11cf234f9d4d8bdb7634
  1. config-drive/
  2. mirror-image/
  3. predefine-vm/
  4. salt-ca/
  5. .gitreview
  6. README.rst