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root / src / Ganeti / HTools @ 2207220d

Name Size
  Backend
  Program
CLI.hs 21.9 kB
Cluster.hs 67.2 kB
Container.hs 2.4 kB
ExtLoader.hs 4.6 kB
Graph.hs 7.8 kB
Group.hs 2.6 kB
Instance.hs 11.3 kB
Loader.hs 13 kB
Node.hs 24.7 kB
PeerMap.hs 2.9 kB
Types.hs 14.7 kB

Latest revisions

# Date Author Comment
2207220d 05/10/2013 01:55 pm Klaus Aehlig

Add option --one-step-only to hroller

Add a new option to hroller to only output information about the first
reboot group. Together with the option --node-tags this allows for the
following work flow. First tag all nodes; then repeatedly compute the
first node group, handle these nodes and remove the tags. In between...
a39779f6 05/10/2013 01:54 pm Klaus Aehlig

Sort reboot groups by size

Make hroller output the node groups not containing the master node
sorted by size, largest group first. The master node still remains
the last node of the last reboot group. In this way, most progress
is made when switching back to normal cluster operations after the...
004398d0 05/07/2013 07:40 pm Klaus Aehlig

Fix lint errors (redundant bracket)

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
313fdabc 05/07/2013 06:59 pm Klaus Aehlig

Add option to hroller to select nodes based on tags

Add option --node-tags to tell hroller to consider only nodes
with these tags. A use case would be a tag tracking on which
nodes the maintenance has not yet been carried out, e.g., if
rolling reboots are interleaved with other cluster operations....
267bc1f4 05/07/2013 06:59 pm Klaus Aehlig

Make Rapi backed set node tags correctly

Since the htools representation of a node now allows adding
the node tags, populate this field correctly in the Rapi
backend.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
f33c06b8 05/07/2013 06:59 pm Klaus Aehlig

Make LUXI backed set node tags correctly

Since the htools representation of a node now allows adding
the node tags, populate this field correctly in the LUXI
backend.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
4b542ebc 05/07/2013 06:58 pm Klaus Aehlig

Extend the text format to contain node tags

In order to allow htools to make use of node tags, add them to the
text format. This is done by adding a new column at the end of the
node lines. If this column is missing, the default value (which
is the empty list) is left unchanged, thus yielding the current...
07ea9bf5 05/07/2013 06:58 pm Klaus Aehlig

Extend the Node in the htools to allow adding node tags

Since hroller (and probably other tools in the future) will support
node selection based on node tags, extend the node data structure to
allow adding this information.

Signed-off-by: Klaus Aehlig <>...
442d5aae 05/07/2013 06:58 pm Klaus Aehlig

Make hroller filter the nodes before coloring the graph

Hroller used to first compute a coloring of the node graph and then
filter out the nodes that it had to work on. While the only filtering
was according to node groups this did not make a difference, as there...
318c0a6c 05/07/2013 06:58 pm Klaus Aehlig

Make mkNodeGraph ignore edges to non-present nodes

Change the behavior of mkNodeGraph to tacitly ignore all instances
where one of the nodes is not in the list of nodes. In this way, we
can construct sub-graphs by filtering the nodes and ignoring any
possibly added isolated nodes for the missing indexes....

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