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add pull/push design document

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Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
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Nico Schottelius 2010-09-28 20:45:39 +02:00
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cdist using the push principle (triggered by server)
% server
cdist-deploy-to <client-hostname>
cdist-preprocess # fills up variables with content
cdist-explore % client # explores client configuration
cdist-compile # parses configuration, creates internal state in cconfig format, verifies
cdist-link # uses cconfig output, creates executable
cdist-transfer # transfer executable to client
cdist-execute % client # execute resulting executable
Operation on the server is run as "cdist" user.
Operation on the client is run as "root" user.
cdist using the pull principle (triggered by client)
% client
cdist-trigger <server-hostname> # connects to server
cdist-deploy-to <client-hostname> % server: see above