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Implement checking for the master role in rapi
This patch moves the CheckMaster function from ganeti-masterd to ssconf(most logical place, it cannot go in utils since we would have recursiveimports between ssconf and utils) and changes ganeti-rapi to also call...
Use constants for the pid file stems
Reviewed-by: imsnah
Fix RPC parameters for {Cancel,Archive}Job
They aren't be tuples on the client side.
Reviewed-by: iustinp
ganeti-masterd: write and remove pidfile
Distribute the queue serial file after each update
This patch adds distribution of the queue serial file after each writeto it (but before a new job is created and written with that ID, andbefore a response is returned, so we should be safe from crashes in...
Use new signal handler class in master daemon
Reviewed-by: ultrotter
Fix previous patch using workerpool in masterd
The function to stop a worker pool is TerminateWorkers(), not Shutdown().
Use workerpool in master daemon
Reusing threads instead of starting one for each request is more efficient.
Remove more old job queue code
Apparently I forgot to this code when removing the rest.
Fix double-logging in daemons
Currently, in debug mode, both the logfile handler and the stderrhandler will log debug messages. Since the stderr is redirected to thesame logfile (to catch non-logged errors), it means log entries aredoubled.
The patch adds an extra parameter to the logger.SetupDaemon() function...
Remove the old locking functions
This removes (hopefully) all traces of the old locking functions anduses.
Remove old job queue code
Change masterd/client RPC protocol
- Introduce abstraction class on client side- Use constants for method names- Adopt legacy function SubmitOpCode to use it
Make luxi RPC more flexible
- Use constants for dict entries- Handle exceptions on server side- Rename client function to CallMethod to match server side naming
Instantiate new job queue in master daemon
Add custom logging setup for daemons
It's better for daemons if: - they log only to one log file - the log level is included - for debug runs, the filename/line number is included
This patch moves the custom formatter from the watcher to the logging...
ganeti-masterd: Remove unused locking code
Reviewed-by: iustinp, ultrotter
ganeti-masterd: Use logging module
Reviewed-by: ultrotter, iustinp
Context: s/GLM/glm/
Make the GanetiLockManager instance of GanetiContext lowercase
Increase the thread size to 5
Now that we use the locking library to make sure running opcodes cannotstep on each other toes we can have a bigger thread size, andpotentially process many opcodes in a parallel manner.
Processor: pass context in and use it.
The processor used to create a new ConfigWriter when it was initialized.We now have one in the context, so we'll just recycle it. First of allwe'll pass the context in when creating a new Processor object, thenwe'll just use context.cfg, which is granted to be initialized, wherever...
ganeti-masterd: init and distribute common context
This patch creates a new GanetiContext class, which is used to holdcontext common to all ganeti worker threads. As for theGanetiLockingManager class it is paramount that there is only one suchclass throughout the execution of Ganeti, so the class checks for that,...
Handle any exception in ganeti-masterd
If an uncaught exception is thrown currently it destroys the callingthread. This patch changes the behaviour to failing the current job,logging a message, but trying to keep the daemon up.
Fail job on ganeti exceptions
When a Job raises a ganeti exception a message is printed but nothing isreported in the job itself. It's better to update the job status, thusnotifying the client, possibly polling for the job result, of what wentwrong.
ganeti-masterd: Some docstrings work
- Add a docstring to IOServer's constructor- Add argument description to PoolWorker's and JobRunner's ones
Disable forking in the master daemon
This patch adds a mechanism to disable utils.RunCmd in selectedprograms. This is needed in the master daemon unless we confirmthreading doesn't pose any problems.
This makes cluster init fail, but creating new trunk clusters is anyway...
Move the 'cmd' lock from cli.py to ganeti-masterd
This patch removes the lock and the lock options from cli.py and movesthem to the master.
Later during development we can remove it completely, but for now it'sgood to protect any other tool that uses the lock directly....
Convert cli.SubmitOpCode to use the master
This patch converts the cli.py SubmitOpCode method to use the unixprotocol and thus execute the opcodes via the master.
The patch allows a partial burnin to work with the master. Currently thequery opcodes, since they are executed via the SubmitOpCode, are...
Add per-opcode results to job processing
This patch changes the definition of a job and introduces per-opcoderesults.
First, the result and status fields of a job are condensed into a single'status' attribute. Then, we introduce an opcode status and one result...
Implement forking/master role checking in masterd
This patch adds checks for the master role and daemonize support toganeti-masterd.
The patch modifies the startup/shutdown of the server because: - we want bind()/listen() to the master socket to occur before forking...
Add a simple gnt-job script
This patch adds a very basic gnt-job script that allows job querying.This goes on top of the previous master daemon patches.
Currently, because of the not-changed cmd lock, you can't query the jobsas long as a job is running - you have to rm the cmd lock and then you...
Initial tests with ganeti-masterd
This patch adds a very in-progress master daemon. This needs to belaunched manually, does not background itself, but can be used foropcode execution.
Also parts of this code should be moved to luxi.py.