def get_item_vectors(config, items, domain):
bs = int(ltoUtil.get_blocksize(config))
ids = string.join(items, ',')
params = urllib.urlencode({'domain':domain, 'ids':ids})
conn = httplib.HTTPConnection(ltoUtil.get_host_port(config))
try:
conn.request('POST', ltoUtil.get_lto_url(config)+'/xquery/get-file-lto-vector.xql?'+params, None, {})
response = conn.getresponse()
data = response.read()
if '<exception>' in data:
print ltoUtil.get_xquery_exception_msg(data)
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
except httplib.HTTPException, e:
print 'Unable to connect to database'
def restore_media_items(config, domain, vectors):
tape = ltoUtil.get_tape_device(config)
restore_dir = ltoUtil.get_restore_dir(config)
bs = int(ltoUtil.get_blocksize(config))
blocking_factor = bs/512
setup_done = False
prev_tape_id = ""
for v in vectors:
tape_id = v[0]
offset = v[1]
filesize = v[2]
record_offset = v[3]
filename = v[4]
md5 = v[5]
blocks = int(filesize/bs)+2
trim = (record_offset*512)%bs
if not prev_tape_id == tape_id:
raw_input('Insert tape: '+tape_id+' [Press Enter to continue]')
if not setup_done:
ltoWriteUtil.setup_tape_drive(config)
setup_done = True
print '\nSeeking to tape block: '+str(offset)
p = subprocess.Popen('mt -f '+tape+' seek '+str(offset), shell=True)
sts = os.waitpid(p.pid, 0)
print 'Restoring file: '+filename
p = subprocess.Popen('dd if='+tape+' bs='+str(bs)+' count='+str(blocks)+' | dd bs='+str(trim)+' skip=1 | tar -x -C '+restore_dir+' '+filename+' --occurrence', shell=True, stderr=subprocess.PIPE)
sts = os.waitpid(p.pid, 0)
#md5 check restored files
if md5 == ltoUtil.get_md5_hash(restore_dir+'/'+filename):
print 'Verified MD5: '+filename
else:
print 'MD5 verification failed for '+filename
#Rename files to include event metadata
extra_metadata_str = get_session_full_name(config, session_id)
filepath = restore_dir+'/'+filename
ltoUtil.move(filepath, filepath[:-4]+'_'+extra_metadata_str+'.'+ltoUtil.get_file_extn(filepath))
prev_tape_id = tape_id
print '\nAll files successfully restored to '+ltoUtil.get_restore_dir(config)
