def getSEVersion(cp, admin=None):
"""
Get the version info from the dCache system.
@param cp: A config parser object which holds the dCache login information
@type cp: ConfigParser
@keyword admin: An instance of the L{dCacheAdmin} interface. If it is None,
then `cp` will be used to log in to the admin interface.
@return: The dCache version number; UNKNOWN if it can't be determined.
"""
if admin == None:
admin = connect_admin(cp)
pools = admin.execute("PoolManager", "cm ls")
pool = None
for line in pools.split('\n'):
pool = line.split('=')[0]
break
if pool == None:
log.warning("No pools found attached to dCache.")
return "UNKNOWN"
pool_info = admin.execute(pool, "info")
version = None
for line in pool_info.split('\n'):
line_info = line.split()
if line_info[0].strip() == 'Version':
version = line_info[2].strip()
break
if version == None:
log.warning("Unable to parse version info from pool %s." % str(pool))
return "UNKNOWN"
version_re = re.compile("(.*)-(.*)-(.*)-(.*)-(.*)\((.*)\)")
m = version_re.match(version)
if m:
kind, major, minor, bugfix, patch, revision = m.groups()
if kind != "production":
return "%s.%s.%s-%s (r%s), %s" % (major, minor, bugfix, patch,
revision, kind)
else:
return "%s.%s.%s-%s" % (major, minor, bugfix, patch)
else:
return version
def getdCacheSESpace(cp, admin=None, gb=False, total=False):
"""
Get the total amount of space available in a dCache instance. By default,
return the information in Kilobytes.
@param cp: Site configuration
@type cp: ConfigParser
@keyword admin: If set, reuse this admin interface instead of making a new
connection.
@keyword gb: If True, then return the results in GB, not KB.
@keyword total: If True, also return the total amount of space in the SE.
@returns: Returns the used space, free space. If C{total=true}, also
return the total space. If C{gb=True}, return the numbers in GB;
otherwise the numbers are in kilobytes.
"""
global dCacheSpace_cache # pylint: disable-msg=W0603
if admin == None:
admin = connect_admin(cp)
if not dCacheSpace_cache:
pools = lookupPoolStorageInfo(admin, log)
used = 0L # In KB
free = 0L # In KB
tot = 0L # In KB
for pool in pools:
used += pool.usedSpaceKB
free += pool.freeSpaceKB
tot += pool.totalSpaceKB
dCacheSpace_cache = used, free, tot
else:
used, free, tot = dCacheSpace_cache
if gb:
used /= 1000000L
free /= 1000000L
tot /= 1000000L
if total:
return used, free, tot
return used, free
