def is_mounted(volname, mpoint, mserver, mclient, mtype, user='******'):
"""Check if mount exist.
Args:
volname (str): Name of the volume
mpoint (str): Mountpoint dir
mserver (str): Server to which it is mounted to
mclient (str): Client from which it is mounted.
mtype (str): Mount type (glusterfs|nfs|smb|cifs)
Kwargs:
user (str): Super user of the node mclient
Returns:
bool: True if mounted and False otherwise.
"""
# python will error on missing arg, so just checking for empty args here
if not volname or not mpoint or not mserver or not mclient or not mtype:
g.log.error("Missing arguments for mount.")
return False
if mtype == "smb":
if mpoint == "*":
return False
else:
cmd = powershell("net use %s" % mpoint)
ret, out, err = g.run(mclient, cmd, user)
if ret != 0:
return False
else:
expected_output = ("Remote name \\\%s\gluster-%s" %
(mserver, volname))
if expected_output in out:
return True
else:
return False
else:
ret, _, _ = g.run(
mclient, "mount | grep %s | grep %s | grep \"%s\"" %
(volname, mpoint, mserver), user)
if ret == 0:
g.log.debug("Volume %s is mounted at %s:%s" %
(volname, mclient, mpoint))
return True
else:
g.log.error("Volume %s is not mounted at %s:%s" %
(volname, mclient, mpoint))
return False
def umount_volume(mclient, mpoint, mtype='', user='******'):
"""Unmounts the mountpoint.
Args:
mclient (str): Client from which it has to be mounted.
mpoint (str): Mountpoint dir.
Kwargs:
mtype (str): Mounttype. Defaults to ''.
user (str): Super user of the node mclient. Defaults to 'root'
Returns:
tuple: Tuple containing three elements (ret, out, err) as returned by
umount command execution.
"""
if mtype == "smb":
cmd = "net use %s /d /Y" % mpoint
cmd = powershell(cmd)
else:
cmd = ("umount %s || umount -f %s || umount -l %s" %
(mpoint, mpoint, mpoint))
return g.run(mclient, cmd, user=user)
def mount_volume(volname,
mtype,
mpoint,
mserver,
mclient,
options='',
smbuser=None,
smbpasswd=None,
user='******'):
"""Mount the gluster volume with specified options.
Args:
volname (str): Name of the volume to mount.
mtype (str): Protocol to be used to mount.
mpoint (str): Mountpoint dir.
mserver (str): Server to mount.
mclient (str): Client from which it has to be mounted.
Kwargs:
option (str): Options for the mount command.
smbuser (str): SMB USERNAME. Used with mtype = 'cifs'
smbpasswd (str): SMB PASSWD. Used with mtype = 'cifs'
user (str): Super user of the node mclient
Returns:
tuple: Tuple containing three elements (ret, out, err).
(0, '', '') if already mounted.
(1, '', '') if setup_samba_service fails in case of smb.
(ret, out, err) of mount commnd execution otherwise.
"""
if is_mounted(volname, mpoint, mserver, mclient, mtype, user):
g.log.debug("Volume %s is already mounted at %s" % (volname, mpoint))
return (0, '', '')
if options != '':
options = "-o %s" % options
if mtype == 'smb':
if smbuser is None or smbpasswd is None:
g.log.error("smbuser and smbpasswd to be passed as parameters "
"for cifs mounts")
return (1, '', '')
mcmd = ("net use %s \\\\%s\\gluster-%s " % (mpoint, mserver, volname) +
" /user:%s " % (smbuser) + '"' + smbpasswd + '"')
mcmd = powershell(mcmd)
ret, out, err = g.run(mclient, mcmd, user=user)
if ret != 0:
g.log.error("net use command failed on windows client %s "
"failed: %s" % (mclient, err))
return (ret, out, err)
if out.startswith('Drive'):
drv_ltr = out.split(' ')[1]
g.log.info("Samba share mount success on windows client %s. "
"Share is : %s" % (mclient, drv_ltr))
return (ret, drv_ltr, err)
g.log.error("net use command successful but error in mount of samba "
" share for windows client %s for reason %s" %
(mclient, err))
return (1, out, err)
if mtype == 'nfs':
if not options:
options = "-o vers=4.1"
elif options and 'vers' not in options:
options = options + ",vers=4.1"
if mserver:
mcmd = ("mount -t %s %s %s:/%s %s" %
(mtype, options, mserver, volname, mpoint))
else:
mcmd = ("mount -t %s %s %s %s" % (mtype, options, volname, mpoint))
if mtype == 'cifs':
if smbuser is None or smbpasswd is None:
g.log.error("smbuser and smbpasswd to be passed as parameters "
"for cifs mounts")
return (1, '', '')
# Check if client is running rhel. If so add specific options
cifs_options = ""
cmd = "cat /etc/redhat-release | grep Santiago"
ret, _, _ = g.run(mclient, cmd, user=user)
if not ret:
cifs_options = "sec=ntlmssp"
mcmd = ("mount -t cifs -o username=%s,password=%s,%s "
"\\\\\\\\%s\\\\gluster-%s %s" %
(smbuser, smbpasswd, cifs_options, mserver, volname, mpoint))
# Create mount dir
_, _, _ = g.run(mclient,
"test -d %s || mkdir -p %s" % (mpoint, mpoint),
user=user)
# Create mount
return g.run(mclient, mcmd, user=user)