Revision: f7422bc94d67
Author: helgav <[email protected]>
Date: Tue Feb 17 13:18:12 2015 UTC
Log: Edited wiki page SummerOfCode2015Ideas through web user interface.
https://code.google.com/p/ganeti/source/detail?r=f7422bc94d67&repo=wiki
Modified:
/SummerOfCode2015Ideas.wiki
=======================================
--- /SummerOfCode2015Ideas.wiki Mon Feb 16 12:48:52 2015 UTC
+++ /SummerOfCode2015Ideas.wiki Tue Feb 17 13:18:12 2015 UTC
@@ -37,3 +37,16 @@
* Implement data collectors for CPU (and maybe memory) usage for
Xen-based clusters;
* possibly use this information for load-based cluster balancing.
* Add an interface for generic plugins that collect arbitrary
user-defined data.
+
+== SSH support for xl migration and other SSH tasks ==
+
+With the new xen toolstack 'xl', it is necessary to choose a transport
layer for migrations. The default is 'ssh', which with the current design
of Ganeti only allows migration from master candidates to other nodes (and
not vice versa).
+
+*Tasks:*
+
+ * Create infrastructure for a second, cluster-wide shared SSH key, which
is only to be used for xl migration. By infrastructure this means to
support the operations of adding/removing/updating nodes in the cluster.
+ * Implement checks of the SSH setup for gnt-cluster verify.
+ * Test and Quality assurance that the xl migration works with this setup.
+ * Make it configurable whether or not to use SSH for the xl migration.
Research and offer alternative transport layers, implement them.
+
+We do have a couple of other SSH-related tasks, in case this turns out to
be too trivial.
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