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root / src / Ganeti @ 5e26a86e

Name Size
  Confd
  Cpu
  Curl
  DataCollectors
  HTools
  Hs2Py
  Hypervisor
  Locking
  Logging
  Monitoring
  Query
  Storage
  THH
  Utils
  WConfd
BasicTypes.hs 14.3 kB
Common.hs 14.4 kB
Compat.hs 1.4 kB
Config.hs 15.1 kB
ConfigReader.hs 10.8 kB
ConstantUtils.hs 5.3 kB
Constants.hs 122 kB
Daemon.hs 15.8 kB
Errors.hs 6.5 kB
Hash.hs 1.8 kB
JQScheduler.hs 13.5 kB
JQueue.hs 21.4 kB
JSON.hs 12.3 kB
Jobs.hs 3.3 kB
Kvmd.hs 11.5 kB
Logging.hs 6.1 kB
Luxi.hs 11.8 kB
Metad.hs 3.2 kB
Network.hs 3.5 kB
Objects.hs 26.2 kB
OpCodes.hs 27.2 kB
OpParams.hs 48.2 kB
Parsers.hs 1.7 kB
Path.hs 4.2 kB
PyValue.hs 2.9 kB
Rpc.hs 22.6 kB
Runtime.hs 7.9 kB
Ssconf.hs 5.2 kB
THH.hs 51.2 kB
Types.hs 29.3 kB
UDSServer.hs 12.9 kB
Utils.hs 24.8 kB
VCluster.hs 1.6 kB
Version.hs.in 246 Bytes

Latest revisions

# Date Author Comment
5e26a86e 02/26/2014 06:23 pm Klaus Aehlig

At startup, make WConfD read the lock allocation from disk

On startup, make wconfd read a the state of the lock allocation from disk,
instead of starting from an empty allocation.

Note that, as opposed to the configuration, no finding a saved
log configuration is not an error; e.g., the node might be master...

f3eb4bfd 02/26/2014 06:23 pm Klaus Aehlig

Provide path to persist locks

As we aim to handle jobs as separate processes with locks
handled by WConfD, we need to persist the locks to ensure
they survive a restart of that deamon. Saving only on master
daemon is enough, however.

Signed-off-by: Klaus Aehlig <>...

c8751a72 02/26/2014 06:23 pm Klaus Aehlig

Add a function to load lock allocation from disk

Lock allocation are stored on disk as their JSON representation.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>

15a53b1e 02/26/2014 06:23 pm Klaus Aehlig

Make Locks a JSON instance

As requests to acquire or release locks come via
inter-process communication, we need a serialization
of the locks data type.

All locks are serialised as JSON objects, where the
key "type" describes the type of lock, and the remaining...

71dc39a1 02/26/2014 06:23 pm Klaus Aehlig

Make LockAllocation an instance of JSON

In this way, we can serialize a lock state to disk, so that
locks can survive a restart of WConfD.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>

59651d52 02/26/2014 02:07 pm Petr Pudlak

Export reading and writing the configuration using RPC

Note that currently these functions lack any kind of locking and
concurrent calls to 'writeConfig' will result in lost changes in the
configuration.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>

833c32b3 02/26/2014 02:07 pm Petr Pudlak

Add a module for functions specific to config. management

.. and include ConfigData in WConfd's ConfigState.

Currently it includes functions for asynchronous saving the
configuration and reading and (over)writing it in the daemon state.

Load the configuration from the file at daemon startup and configure an...

13d26b66 02/26/2014 02:06 pm Petr Pudlak

Add more general conf. handling functions to WConfd's Monad

Add functions for reading and writing the configuration. Writing
triggers the asynchronous worker which saves the configuration into the
master file. The actual action that saves the configuration is passed as...

a6a6a1b5 02/26/2014 02:06 pm Petr Pudlak

Add functions for saving the configuration to Ganeti.Config

.. so that it can be not only read, but also written to the master
configuration file.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>

c5f6dcdf 02/26/2014 02:06 pm Petr Pudlak

Add a module for creating and using asynchronous workers

Each such worker has its own background thread and performs a given
task when triggered. Triggers arriving when the worker is processing are
accumulated and processed together in a subsequent worker action....

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