def prepare(self, conn):
mnt_point = tempfile.mkdtemp(dir='/tmp')
export_path = "%s:%s" % (self.poolArgs['source']['host'],
self.poolArgs['source']['path'])
mount_cmd = [
"mount", "-o", 'soft,timeo=100,retrans=3,retry=0', export_path,
mnt_point
]
umount_cmd = ["umount", "-f", export_path]
mounted = False
# Due to an NFS bug (See Red Hat BZ 1023059), NFSv4 exports may take
# 10-15 seconds to mount the first time.
cmd_timeout = 15
with RollbackContext() as rollback:
rollback.prependDefer(os.rmdir, mnt_point)
try:
run_command(mount_cmd, cmd_timeout)
rollback.prependDefer(run_command, umount_cmd, cmd_timeout)
except TimeoutExpired:
raise InvalidParameter("KCHPOOL0012E", {'path': export_path})
with open("/proc/mounts", "rb") as f:
rawMounts = f.read()
output_items = ['dev_path', 'mnt_point', 'type']
mounts = parse_cmd_output(rawMounts, output_items)
for item in mounts:
if 'dev_path' in item and item['dev_path'] == export_path:
mounted = True
if not mounted:
raise InvalidParameter("KCHPOOL0013E", {'path': export_path})
def prepare(self, conn):
mnt_point = tempfile.mkdtemp(dir='/tmp')
export_path = "%s:%s" % (
self.poolArgs['source']['host'], self.poolArgs['source']['path'])
mount_cmd = ["mount", "-o", 'soft,timeo=100,retrans=3,retry=0',
export_path, mnt_point]
umount_cmd = ["umount", "-f", export_path]
mounted = False
# Due to an NFS bug (See Red Hat BZ 1023059), NFSv4 exports may take
# 10-15 seconds to mount the first time.
cmd_timeout = 15
with RollbackContext() as rollback:
rollback.prependDefer(os.rmdir, mnt_point)
try:
run_command(mount_cmd, cmd_timeout)
rollback.prependDefer(run_command, umount_cmd, cmd_timeout)
except TimeoutExpired:
raise InvalidParameter("KCHPOOL0012E", {'path': export_path})
with open("/proc/mounts", "rb") as f:
rawMounts = f.read()
output_items = ['dev_path', 'mnt_point', 'type']
mounts = parse_cmd_output(rawMounts, output_items)
for item in mounts:
if 'dev_path' in item and item['dev_path'] == export_path:
mounted = True
if not mounted:
raise InvalidParameter("KCHPOOL0013E", {'path': export_path})