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root / src / Ganeti / HTools @ 4fe04580

Name Size
  Backend
  Program
CLI.hs 22.3 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 25.9 kB
PeerMap.hs 2.9 kB
Types.hs 14.7 kB

Latest revisions

# Date Author Comment
8d38fb72 05/10/2013 01:55 pm Klaus Aehlig

Support online-maintenance in hroller

Make hroller take into account the nodes (redundant) instances
will be migrated to. This be behavior can be overridden by the
--offline-maintenance option which will make hroller plan under
the assumption that all instances will be shutdown before starting...

30fded87 05/10/2013 01:55 pm Klaus Aehlig

Support construction of the graph of all reboot constraints

For online rolling reboots, there are two kind of restrictions. First,
we cannot reboot the primary and secondary nodes of an instance
together. Secondly, two nodes cannot be rebooted simultaneously, if...

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 <>...

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