ARC6ComputingElement

ARC6 Computing Element Using the ARC API now

Temporary ARC Computing Element able to submit to gridftp and arex services via the REST and EMI-ES interfaces. Use it only if gridftp services are not supported anymore. Arc6CE should be dropped once the AREXCE will be fully operational.

class DIRAC.Resources.Computing.ARC6ComputingElement.ARC6ComputingElement(ceUniqueID)

Bases: DIRAC.Resources.Computing.ARCComputingElement.ARCComputingElement

__init__(ceUniqueID)

Standard constructor.

available(jobIDList=None)

This method returns the number of available slots in the target CE. The CE instance polls for waiting and running jobs and compares to the limits in the CE parameters.

Parameters

jobIDList (list) – list of already existing job IDs to be checked against

getCEStatus()

Method to return information on running and pending jobs. We hope to satisfy both instances that use robot proxies and those which use proper configurations.

getDescription()

Get CE description as a dictionary.

This is called by the JobAgent for the case of “inner” CEs.

getJobOutput(jobID, workingDirectory=None)

Get the specified job standard output and error files. Standard output and error are returned as strings. If further outputs are retrieved, they are stored in workingDirectory.

getJobStatus(jobIDList)

Get the status information for the given list of jobs

initializeParameters()

Initialize the CE parameters after they are collected from various sources

isProxyValid(valid=1000)

Check if the stored proxy is valid

isValid()

Check the sanity of the Computing Element definition

killJob(jobIDList)

Kill the specified jobs

loadBatchSystem(batchSystemName)

Instantiate object representing the backend batch system

Parameters

batchSystemName (str) – name of the batch system

sendOutput(stdid, line)

Callback function such that the results from the CE may be returned.

setCPUTimeLeft(cpuTimeLeft=None)

Update the CPUTime parameter of the CE classAd, necessary for running in filling mode

setParameters(ceOptions)

Add parameters from the given dictionary overriding the previous values

Parameters

ceOptions (dict) – CE parameters dictionary to update already defined ones

setProxy(proxy, valid=0)

Set proxy for this instance

shutdown()

Optional method to shutdown the (Inner) Computing Element

submitJob(executableFile, proxy, numberOfJobs=1)

Method to submit job

writeProxyToFile(proxy)

CE helper function to write a CE proxy string to a file.