Build motd from node metadata

config.pan

unique template features/core/motd/config;

include 'components/filecopy/config';

variable MOTD_NODE_INFO ?= "";

variable motd_branch = format('%s (%s)', value('/metadata/template/branch/name'), value('/metadata/template/branch/type'));

variable motd_branch = if (path_exists('/metadata/template/branch/author')) {
    format('%s/%s', value('/metadata/template/branch/author'), SELF);
} else {
    SELF;
};

variable motd = format(
    file_contents('features/core/motd/template.txt'),
    value('/hardware/location'),
    value('/hardware/rack/room'),
    value('/hardware/rack/name'),
    motd_branch,
    value('/system/archetype/name'),
    PERSONALITY,
    NODE_OS_VERSION,
    SNAPSHOT,
    MOTD_NODE_INFO
);

'/software/components/filecopy/services/{/etc/motd}' = dict(
    'config', motd,
    'owner', 'root:root',
    'perms', '0644',
);

template.txt

   _. _.   o| _ ._
  (_|(_||_|||(_)| |
       |

          Location: %s %s %s
            Branch: %s
         Archetype: %s
       Personality: %s
  Operating System: %s
     Snapshot Date: %s
%s