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#!/usr/bin/env python |
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#--------------------------------------------------------------------------------------------------- |
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# Script to move a file from one place to another. Restrictions to application of course apply :-) |
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# Script to remove a file. |
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# |
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# Author: C.Paus (May 06, 2010) |
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#--------------------------------------------------------------------------------------------------- |
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import os,sys,getopt,re |
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import os,sys,getopt,re,srm |
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t2user = os.environ['TIER2_USER'] |
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def debugPrint(text): |
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if debug ==1: |
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if debug: |
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print ' DEBUG: ' + text |
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def execute(cmd,debug): |
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if debug: |
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print ' DEBUG: ' + cmd |
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else: |
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os.system(cmd) |
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def clean(file): |
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if re.search('dcap:',file): |
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g = file.split('/') |
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cmd = 'rfdir ' + target |
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elif re.search('/pnfs/cmsaf.mit.edu/',target): |
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debugPrint(' Identified a tier-2 directory: ' + target) |
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cmd = 'ssh paus@cgate.mit.edu ls -1 ' + target + '\>\& /dev/null' |
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cmd = 'ssh ' + t2user + '@cgate.mit.edu ls -1 ' + target + ' \>\& /dev/null' |
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elif re.search('/mnt/hadoop/cms/store',target): |
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debugPrint(' Identified a tier-2 hadoop directory: ' + target) |
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target = srm.convertToUrl(target,debug) |
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cmd = 'srmls ' + target + ' >& /dev/null' |
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else: |
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debugPrint(' Identified a normal directory: ' + target) |
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cmd = 'ls -1 ' + target + '>& /dev/null' |
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status = os.system(cmd) |
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debugPrint(' Status: %d' % status) |
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debugPrint(' Status: %d (on %s)' %(status,cmd)) |
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return (status == 0) |
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cmd = "stager_rm -M " + source + "; nsrm " + source |
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elif re.search('/pnfs/cmsaf.mit.edu/',source): |
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debugPrint(' Identified tier-2 file') |
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cmd = 'ssh paus@cgate.mit.edu rm ' + source |
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cmd = 'ssh ' + t2user + '@cgate.mit.edu rm -rf ' + source |
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elif re.search('/mnt/hadoop/cms/store/user/paus',source): |
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debugPrint(' Identified a tier-2 hadoop directory: ' + source) |
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source = srm.convertToUrl(source,debug) |
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cmd = 'srmrm ' + source + ' >& /dev/null' |
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else: |
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debugPrint(' Identified a normal directory') |
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cmd = 'rm ' + source |
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cmd = 'rm -rf ' + source |
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# ready to perform the requested operation |
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debugPrint(' -> removing with: ' + cmd) |
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## status = 0 |
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status = os.system(cmd) |
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status = 0 |
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if exe == 1: |
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status = os.system(cmd) |
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if status != 0: |
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print ' ERROR: remove returned error %d (on %s)'%(status,cmd) |
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return status |
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def removeCatalog(source,debug): |
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tmp = os.getpid() |
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pid = "%d"%tmp |
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# which catalog is this one in? |
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catalogDir = '/home/cmsprod/catalog/local' |
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if re.search('/castor/cern.ch/',source): |
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catalogDir = '/home/cmsprod/catalog/cern' |
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elif re.search('/pnfs/cmsaf.mit.edu/',source) or \ |
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re.search('/mnt/hadoop/cms/store/user/paus',source): |
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catalogDir = '/home/cmsprod/catalog/t2mit' |
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# now get the dataset and the book |
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f = source.split('/') |
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file = f[-1] |
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dataset = f[-2] |
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book = f[-4] + '/' + f[-3] |
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dir = catalogDir + '/' + book + '/' + dataset |
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# now remove the particular file from the record |
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cmd = 'cat ' + dir + '/RawFiles.?? | sort -u | grep -v ' + file + ' > /tmp/RawFiles.00.' + pid |
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execute(cmd,debug) |
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cmd = 'rm ' + dir + '/RawFiles.??' |
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execute(cmd,debug) |
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cmd = 'mv /tmp/RawFiles.00.' + pid + ' ' + dir + '/RawFiles.00' |
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execute(cmd,debug) |
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cmd = 'cat ' + dir + '/Files | grep -v ' + file + ' > /tmp/Files.' + pid |
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execute(cmd,debug) |
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cmd = 'mv /tmp/Files.' + pid + ' ' + dir + '/Files' |
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execute(cmd,debug) |
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return |
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#=================================================================================================== |
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# Main starts here |
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#=================================================================================================== |
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# Define string to explain usage of the script |
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usage = "Usage: remove <source>" |
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usage += " --exe\n" |
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usage += " --catalog\n" |
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usage += " --debug\n" |
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usage += " --help\n" |
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# Define the valid options which can be specified and check out the command line |
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valid = ['debug','help'] |
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valid = ['exe','catalog','debug','help'] |
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try: |
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opts, args = getopt.getopt(sys.argv[1:], "", valid) |
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except getopt.GetoptError, ex: |
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# Get all parameters for the production |
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# -------------------------------------------------------------------------------------------------- |
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# Set defaults for each option |
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debug = 0 |
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catalog = False |
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debug = False |
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exe = 0 |
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# Read new values from the command line |
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for opt, arg in opts: |
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print usage |
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sys.exit(0) |
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elif opt == '--debug': |
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debug = 1 |
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debug = True |
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elif opt == '--catalog': |
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catalog = True |
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elif opt == '--exe': |
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exe = 1 |
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newArgv = [] |
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for arg in sys.argv[1:]: |
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remove(source) |
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elif not exists(source): |
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print ' ERROR: the source ('+source+') does not exist.' |
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# Remove also the catalog entry |
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if catalog: |
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removeCatalog(source,debug) |
