tree c3d7429ccc2932dfbcf28467247b3f566f2cfcd7
parent d6bcbc9cf9962d0c3cf0609c0d997e92759e0d1a
author Dennis Dmitriev <ddmitriev@mirantis.com> 1521821110 +0200
committer Dennis Dmitriev <ddmitriev@mirantis.com> 1522040619 +0300
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Allow to specify underlay and salt roles separatelly

- Manage custom node roles with 'underlay' fixture and use the
  nodes names for 'execute_commands' templates:
    export ROLES='["role1", "role2", ...]'

- Install salt-minion on custom node roles from config.underlay.ssh
    export SALT_ROLES='["salt-role1", "salt-role2", ...]'

The SALT_ROLES allows to specify only the nodes for salt-minion, while
other nodes from ROLES will be available only for UnderlayManager.

Change-Id: Iab2d021ecf8a9f2fce6c322aea6439b8d1d11106