--- /dev/null
+#!/usr/bin/env python2.7
+#
+# vlmc tool for filed
+
+import os, sys, subprocess, shutil, re, argparse
+
+XSEG_HOME="/root/archip/xseg/"
+IMAGES="/srv/pithos/archip-data/images/"
+XSEGBD_SYSFS="/sys/bus/xsegbd/"
+DEVICE_PREFIX="/dev/xsegbd"
+BLOCKD_LOGS="/srv/pithos/archip-data/logs/"
+FILED_PORT=0
+
+def vlmc_list(args):
+ print "name\t\t\t\tsize"
+ try:
+ for f in os.listdir(IMAGES):
+ print "%s\t\t\t\t%dM" % (f, os.stat(IMAGES + f).st_size / 1024 / 1024)
+
+ sys.exit(0)
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+def vlmc_create(args):
+ name = args.name[0]
+ size = args.size
+ snap = args.snap
+
+ try:
+ old_dir = os.getcwd()
+ os.chdir(IMAGES)
+
+ try:
+ os.stat(name)
+ print "file exists"
+ os.chdir(old_dir)
+ sys.exit(-1)
+ except:
+ pass
+
+ if snap:
+ shutil.copyfile(snap, name)
+ else:
+ f = os.open(name, os.O_CREAT | os.O_WRONLY, 0755)
+ size *= 1024*1024
+ os.lseek(f, size - 1, os.SEEK_SET)
+ os.write(f, "1")
+ os.close(f)
+
+ os.chdir(old_dir)
+ sys.exit(0)
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+def vlmc_remove(args):
+ name = args.name[0]
+
+ try:
+ old_dir = os.getcwd()
+ os.chdir(IMAGES)
+
+ try:
+ os.stat(name)
+ except:
+ print "file doesn't exist"
+ os.chdir(old_dir)
+ sys.exit(-1)
+
+ os.unlink(IMAGES + '/' + name)
+
+ os.chdir(old_dir)
+ sys.exit(0)
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+def vlmc_map(args):
+ name = args.name[0]
+ prev = 0
+ try:
+ for f in os.listdir(XSEGBD_SYSFS + "devices/"):
+ p = open(XSEGBD_SYSFS + "devices/" + f + "/port").read().strip()
+ if p - prev > 1:
+ break
+ else:
+ prev = p
+
+ port = prev + 1
+ fd = os.open(XSEGBD_SYSFS + "add", os.O_WRONLY)
+ os.write(fd, "%s %d:%d:128" % (name, port, FILED_PORT))
+ os.close(fd)
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+def vlmc_unmap(args):
+ device = args.name[0]
+ try:
+ for f in os.listdir(XSEGBD_SYSFS + "devices/"):
+ d_id = open(XSEGBD_SYSFS + "devices/" + f + "/id").read().strip()
+ name = open(XSEGBD_SYSFS + "devices/"+ f + "/name").read().strip()
+ if device == DEVICE_PREFIX + d_id:
+ fd = os.open(XSEGBD_SYSFS + "remove", os.O_WRONLY)
+ os.write(fd, d_id)
+ os.close(fd)
+
+ break
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+def vlmc_showmapped(args):
+ print "id\tpool\timage\tsnap\tdevice"
+ try:
+ for f in os.listdir(XSEGBD_SYSFS + "devices/"):
+ d_id = open(XSEGBD_SYSFS + "devices/" + f + "/id").read().strip()
+ name = open(XSEGBD_SYSFS + "devices/"+ f + "/name").read().strip()
+
+ print "%s\t%s\t%s\t%s\t%s" % (d_id, '-', name, '-', DEVICE_PREFIX +
+ d_id)
+ except Exception, reason:
+ print >> sys.stderr, reason
+ sys.exit(-1)
+
+if __name__ == "__main__":
+ # parse arguments and discpatch to the correct func
+ parser = argparse.ArgumentParser(description='vlmc tool')
+ parser.add_argument('-c', '--config', type=str, nargs='?', help='config file')
+ subparsers = parser.add_subparsers()
+
+ create_parser = subparsers.add_parser('create', help='Create volume')
+ group = create_parser.add_mutually_exclusive_group(required=True)
+ group.add_argument('-s', '--size', type=int, nargs='?', help='requested size in MB for create')
+ group.add_argument('--snap', type=str, nargs='?', help='create from snapshot')
+ create_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+ create_parser.add_argument('name', type=str, nargs=1, help='volume/device name')
+ create_parser.set_defaults(func=vlmc_create)
+
+ remove_parser = subparsers.add_parser('remove', help='Delete volume')
+ remove_parser.add_argument('name', type=str, nargs=1, help='volume/device name')
+ remove_parser.set_defaults(func=vlmc_remove)
+ remove_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ rm_parser = subparsers.add_parser('rm', help='Delete volume')
+ rm_parser.add_argument('name', type=str, nargs=1, help='volume/device name')
+ rm_parser.set_defaults(func=vlmc_remove)
+ rm_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ map_parser = subparsers.add_parser('map', help='Map volume')
+ map_parser.add_argument('name', type=str, nargs=1, help='volume/device name')
+ map_parser.set_defaults(func=vlmc_map)
+ map_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ unmap_parser = subparsers.add_parser('unmap', help='Unmap volume')
+ unmap_parser.add_argument('name', type=str, nargs=1, help='volume/device name')
+ unmap_parser.set_defaults(func=vlmc_unmap)
+ unmap_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ showmapped_parser = subparsers.add_parser('showmapped', help='Show mapped volumes')
+ showmapped_parser.set_defaults(func=vlmc_showmapped)
+ showmapped_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ list_parser = subparsers.add_parser('list', help='List volumes')
+ list_parser.set_defaults(func=vlmc_list)
+ list_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ ls_parser = subparsers.add_parser('ls', help='List volumes')
+ ls_parser.set_defaults(func=vlmc_list)
+ ls_parser.add_argument('-p', '--pool', type=str, nargs='?', help='for backwards compatiblity with rbd')
+
+ args = parser.parse_args()
+
+ #FIXME
+ try:
+ if args.config == None:
+ execfile(os.path.expanduser("~/.xsegrc"))
+ else:
+ execfile(args.config)
+ except:
+ pass
+
+ args.func(args)
projects / archipelago / commitdiff