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Leigh B. Stoller authored
different then the original widearea code. Simpler, less dynamic. First off, the wanodecreate script creates a new widearea_nodeinfo entry. These are nodes that will later checkin and be created as a real node. The input is a little xml file that you can use to specify the stuff in the table entry (city, state, zip, etc). You can also provide a privkey (no more then 64 chars), or one will be generated for you. For each one of these, create a Dongle Boot and stash the privkey as /etc/emulab/emulab-privkey on the dongle. You do not assign the IP address; the node will tell us that when it checks in. A node checks in like this: https://$bossname/wanodecheckin.php?IP=$IP&privkey=$privkey &hostname=$hostname The web page is simply a stub that makes sure the arguments don't have any illegal characters, and then passes off to the backend. The backend script checks the privkey and finds the widearea_nodeinfo. The first time the node checks in, the node is created (db/Node.pm) (nodes table, interfaces table, etc), and the node is moved to hwdown. Subsequent checkins watch for changes to the IP or hostname, and issue named_setup calls as needed.
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