def main():
config = ConfigParser.ConfigParser()
ltoUtil.load_config(config)
ltoUtil.config_checks(config)
ltoUtil.path_check(ltoUtil.get_tape_build_dir(config))
ltoUtil.path_check(ltoUtil.get_tape_pending_dir(config))
ltoBuildUtil.check_tape_build_dir_contents(ltoUtil.get_tape_build_dir(config))
ltoBuildUtil.check_tape_build_size(config)
tape_xml_doc = ltoBuildUtil.create_tape_xml_doc(ltoUtil.get_curr_datetime(), config)
ltoBuildUtil.create_tape_index(tape_xml_doc, config)
tape_id = ltoBuildUtil.db_import_tape_xml(config, tape_xml_doc)
ltoBuildUtil.update_tape_xml(tape_xml_doc, tape_id)
ltoBuildUtil.write_tape_xml_file(config, tape_xml_doc, tape_id)
ltoBuildUtil.move_build_virtual_tape_files(config, tape_id)
ltoUtil.delete_dir_content(ltoUtil.get_tape_build_dir(config))
def create_tape_index(tape_xml_doc, config):
tars = []
for t in os.listdir(ltoUtil.get_tape_build_dir(config)):
if t.endswith('.tar'):
tars.append(t)
tars.sort()
block_size_bytes = int(config.get('Tape', 'block_size_bytes'))
index_size_mb = int(config.get('Tape', 'index_size_mb'))
index_size_bytes = index_size_mb * 1024*1024
current_block = index_size_bytes/block_size_bytes +1
for index, tar in enumerate(tars):
tar_name = tar[0:-4]
position = index+2
size = ltoUtil.get_filesize(os.path.join(ltoUtil.get_tape_build_dir(config), tar))
blocks = int(size/block_size_bytes)
tar_xml_path = os.path.join(ltoUtil.get_tape_build_dir(config), tar_name+'.xml')
append_tar_element_to_tape_xml_doc(tape_xml_doc, tar_xml_path, position, current_block)
current_block += blocks + 1
def check_tape_build_size(config):
dir = ltoUtil.get_tape_build_dir(config)
min_gbs = config.getint('Tape', 'min_gb')
max_gbs = config.getint('Tape', 'max_gb')
min_size = int(min_gbs)*1024*1024*1024
max_size = int(max_gbs)*1024*1024*1024
index_size_mb = config.getint('Tape', 'index_size_mb')
index_size = index_size_mb*1024*1024
size = ltoUtil.get_dir_total_size(dir) + index_size
size_gb = float(size)/(1024*1024*1024)
if size > max_size:
print 'The total size of the files in the tape build directory: '+dir+' is over the maximum limit of '+str(max_gbs)+'GB.'
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
elif size < min_size:
print 'The total size of the files in the tape build directory: '+dir+' is under the minimum limit of '+str(min_gbs)+'GB.'
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
else:
print 'Virtual tape size: '+'%3.2f'%size_gb+'GB'
def write_tape_xml_file(config, tape_xml_doc, tape_id):
tape_xml_filepath = ltoUtil.get_tape_build_dir(config)+'/'+tape_id+'.xml'
print 'Creating tape index file '+tape_xml_filepath
ltoUtil.write_xml(tape_xml_doc, tape_xml_filepath)
def write_tape_xml_file(config, tape_xml_doc, tape_id):
tape_xml_filepath = ltoUtil.get_tape_build_dir(config)+'/'+tape_id+'.xml'
print 'Creating tape index file '+tape_xml_filepath
ltoUtil.write_xml(tape_xml_doc, tape_xml_filepath)
def move_build_virtual_tape_files(config, tape_id):
dest = config.get('Dirs', 'virtual_tape_dir')+'/pending/'+tape_id
try:
if not os.path.exists(dest):
os.mkdir(dest)
else:
ltoUtil.delete_dir_content(dest)
except OSError, e:
print 'Unable to create virtual tape directory: '+dest
print 'OSError '+str(e.errno)+': '+e.strerror
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
print 'Created virtual tape directory: '+dest
tb = ltoUtil.get_tape_build_dir(config)
for f in os.listdir(tb):
if f.endswith('.tar') or f == tape_id+'.xml':
try:
print 'Moving '+tb+'/'+f+' to '+dest
ltoUtil.move(tb+'/'+f, dest)
except Exception, e:
print '\nUnable to move file '+f+' to '+dest
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)