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 <mtartara@google.com>Reviewed-by: Klaus Aehlig <aehlig@google.com>
Factor out the mergeStatuses function
It will be used by multiple data collectors, not only the DRBD collector.
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, asprescribed by the design document.
Signed-off-by: Michele Tartara <mtartara@google.com>...
Export the Instance Status collector report
It will need to be accessed by the monitoring daemon.
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-collectortool....
Export the actual instance state
Compute the actual state of the instance and export it.
Determine status of one instance
Added function for determining whether the status of an instance is ok, and torepresent this information in the corresponding field in the report.
Include the reason trail in the instance collector output
Fetch the reason trail from file, failing gracefully if it is not found, andinclude it in the output of the instance status data collector.
Export Instance Status collector information
Name, version, format version, category and kind of the Instance Status datacollector are now exported.
Factor out function for building report
Instead of building the report as part of the "Main" function, have itbuilt by its own dedicated function, so that it will be able to export itdirectly to the monitoring daemon when needed.
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