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root / src / Ganeti / DataCollectors @ b54ecf12

# Date Author Comment
6ab6b19a 05/13/2013 04:20 pm Michele Tartara

Use dcName in mon-collector

Instead of manually specify the name of the data collectors in mon-collector,
just use the dcName field each of them exports.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

dd69cd3c 05/13/2013 04:20 pm Michele Tartara

Factor out the mergeStatuses function

It will be used by multiple data collectors, not only the DRBD collector.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

79731e21 05/13/2013 04:20 pm Michele Tartara

Add global status field to the instance status collector

The global status is computed from the statuses of the single instances.

The output json format is adapted to include this piece of information, as
prescribed by the design document.

Signed-off-by: Michele Tartara <>...

e8b46463 05/13/2013 04:20 pm Michele Tartara

Export the Instance Status collector report

It will need to be accessed by the monitoring daemon.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

d7e9323b 05/13/2013 04:20 pm Michele Tartara

Add the core of the instance status collector

Add the Xen instance status data collector with only its core features.
The next commits will add more reporting functionalities.

The access to the collector is made possible through the mon-collector
tool.
...

d4de2ea8 05/13/2013 04:20 pm Michele Tartara

Export the actual instance state

Compute the actual state of the instance and export it.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

fc4be2bf 05/13/2013 04:20 pm Michele Tartara

Determine status of one instance

Added function for determining whether the status of an instance is ok, and to
represent this information in the corresponding field in the report.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

17ae9cdb 05/13/2013 04:20 pm Michele Tartara

Include the reason trail in the instance collector output

Fetch the reason trail from file, failing gracefully if it is not found, and
include it in the output of the instance status data collector.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

7660aaf3 05/13/2013 04:20 pm Michele Tartara

Export Instance Status collector information

Name, version, format version, category and kind of the Instance Status data
collector are now exported.

Signed-off-by: Michele Tartara <>
Reviewed-by: Klaus Aehlig <>

4fe04580 05/13/2013 04:20 pm Michele Tartara

Factor out function for building report

Instead of building the report as part of the "Main" function, have it
built by its own dedicated function, so that it will be able to export it
directly to the monitoring daemon when needed.

Signed-off-by: Michele Tartara <>...

75706f3a 04/30/2013 10:56 am Michele Tartara

Export the full report from DRBD data collector

Export the full report instead of just the data from the DRBD data collector.

Signed-off-by: Michele Tartara <>
Reviewed-by: Helga Velroyen <>

a5ec6d88 04/30/2013 10:55 am Michele Tartara

Update JSON serialization for "category"

Change the JSON serialization for the "category" field of data collectors,
in accordance to the latest version of the design document.

Signed-off-by: Michele Tartara <>
Reviewed-by: Helga Velroyen <>

2d1c753d 03/28/2013 03:13 pm Michele Tartara

Add status information to the DRBD data collector report

Add status information as required by the design document.

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

8c5419ee 03/28/2013 03:13 pm Michele Tartara

Export the data collected by DRBD in JSON format

Write an intermediate function computing the JSON data before adding them
to the DCReport.

Directly export the data computed by that function (with default parameters)
allowing them to be used (in the future) by the monitoring agent....

82437b28 03/28/2013 03:13 pm Michele Tartara

Add DCStatus data type for the data collectors

Also adds the DCStatusCode, part of DCStatus, and the addStatus
utility function for adding the "status" field to an already existing
JSValue.

The design document is updated to have the status codes sorted by increasing...

54c7dff7 03/28/2013 03:13 pm Michele Tartara

Add Kind data type for data collectors

Also, add it to the DRBD data collector, and export it from there.

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

f0e4b2a4 03/28/2013 03:13 pm Michele Tartara

Add data type for data collector category

Also, update the DRBD data collector to use and export it.

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

834dc290 03/28/2013 03:13 pm Michele Tartara

Export the dcVersionInformation for the Drbd collector

Also, update the JSON output (and the design document) so that it is not
in camelcase anymore. This is part of a bigger effort to remove camelcase
from the exposed JSON.

Signed-off-by: Michele Tartara <>...

a895fa19 03/28/2013 03:12 pm Michele Tartara

Add data collector version data type

Define the new data type and update the DRBD data collector to use it.

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

7a171e3f 03/28/2013 03:12 pm Michele Tartara

Fix comment line position in DRBD data collector

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

ddceb4c5 03/28/2013 03:12 pm Michele Tartara

Export dcName information of Drbd data collector

Signed-off-by: Michele Tartara <>
Reviewed-by: Bernardo Dal Seno <>

7dc27988 02/18/2013 05:35 pm Michele Tartara

Make Confd client usable for testing

Allow the Confd client to be able to connect to an arbitrary server
instead of just the real one running on a cluster.

This is meant to be used for testing.

If a data collector using the Confd client is tested with shelltest, it will...

e71c47d3 01/16/2013 03:56 pm Michele Tartara

Integrate DRBD with the report generation infrastructure

With this commit, the DRBD data collector does not only print the data
it extracts, but includes them in the proper JSON structure common to
all the data collectors, as prescribed by the design document....

13d3acab 01/16/2013 03:56 pm Michele Tartara

Add reporting infrastructure for data collectors

This commit adds the part of the JSON report generation code that will be
common to all the data collectors, according to the format specified in the
design document.

Signed-off-by: Michele Tartara <>...

d78970ba 01/08/2013 06:16 pm Michele Tartara

Support instance-minor pairing in the DRBD collector

This commits enables the DRBD data collector to use the Confd client to
gather information about the pairing between DRBD minors and instances.

For testing purposes, the DRBD data collector now requires either zero...

eb62691c 01/08/2013 06:16 pm Michele Tartara

Support integrating instance information in the DRBD parser

This commit modifies the DRBD parser and its data structures to include
information about the instance a DRBD minor belongs to.

Test files have been updated as well, to support the new field in the data...

3add7574 12/24/2012 11:38 pm Iustin Pop

Rename htools/ to src/

Per offline discussions, this is the first patch of the
renames. Tested with "make distcheck", seems to work fine.

The only change outside of the renaming is a bit of simplification in
the .gitignore rules; otherwise, simply s/htools/src/....