summaryrefslogtreecommitdiffstats
path: root/tools/nfsconvert.in
diff options
context:
space:
mode:
Diffstat (limited to 'tools/nfsconvert.in')
-rw-r--r--tools/nfsconvert.in324
1 files changed, 324 insertions, 0 deletions
diff --git a/tools/nfsconvert.in b/tools/nfsconvert.in
new file mode 100644
index 0000000..c58a16a
--- /dev/null
+++ b/tools/nfsconvert.in
@@ -0,0 +1,324 @@
+#!@PYTHON@ -tt
+"""
+Read in the deprecated /etc/sysconfig/nfs file and
+set the corresponding values in nfs.conf
+"""
+
+from __future__ import print_function
+import os
+import sys
+import getopt
+import subprocess
+import configparser
+
+CONF_NFS = '/etc/nfs.conf'
+CONF_IDMAP = '/etc/idmapd.conf'
+SYSCONF_NFS = '/etc/sysconfig/nfs'
+SYSCONF_BACKUP = ".rpmsave"
+CONF_TOOL = '/usr/sbin/nfsconf'
+
+# options for nfsd found in RPCNFSDARGS
+OPTS_NFSD = 'dH:p:rR:N:V:stTuUG:L:'
+LONG_NFSD = ['debug', 'host=', 'port=', 'rdma=', 'nfs-version=', 'no-nfs-version=',
+ 'tcp', 'no-tcp', 'udp', 'no-udp', 'grace-time=', 'lease-time=']
+CONV_NFSD = {'-d': (CONF_NFS, 'nfsd', 'debug', 'all'),
+ '-H': (CONF_NFS, 'nfsd', 'host', ','),
+ '-p': (CONF_NFS, 'nfsd', 'port', '$1'),
+ '-r': (CONF_NFS, 'nfsd', 'rdma', 'nfsrdma'),
+ '-R': (CONF_NFS, 'nfsd', 'rdma', '$1'),
+ '-N': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
+ '-V': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
+ '-t': (CONF_NFS, 'nfsd', 'tcp', '1'),
+ '-T': (CONF_NFS, 'nfsd', 'tcp', '0'),
+ '-u': (CONF_NFS, 'nfsd', 'udp', '1'),
+ '-U': (CONF_NFS, 'nfsd', 'udp', '0'),
+ '-G': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
+ '-L': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
+ '$1': (CONF_NFS, 'nfsd', 'threads', '$1'),
+ '--debug': (CONF_NFS, 'nfsd', 'debug', 'all'),
+ '--host': (CONF_NFS, 'nfsd', 'host', ','),
+ '--port': (CONF_NFS, 'nfsd', 'port', '$1'),
+ '--rdma': (CONF_NFS, 'nfsd', 'rdma', '$1'),
+ '--no-nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
+ '--nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
+ '--tcp': (CONF_NFS, 'nfsd', 'tcp', '1'),
+ '--no-tcp': (CONF_NFS, 'nfsd', 'tcp', '0'),
+ '--udp': (CONF_NFS, 'nfsd', 'udp', '1'),
+ '--no-udp': (CONF_NFS, 'nfsd', 'udp', '0'),
+ '--grace-time': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
+ '--lease-time': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
+ }
+
+# options for mountd found in RPCMOUNTDOPTS
+OPTS_MOUNTD = 'go:d:H:p:N:nrs:t:V:'
+LONG_MOUNTD = ['descriptors=', 'debug=', 'nfs-version=', 'no-nfs-version=',
+ 'port=', 'no-tcp', 'ha-callout=', 'state-directory-path=',
+ 'num-threads=', 'reverse-lookup', 'manage-gids', 'no-udp']
+
+CONV_MOUNTD = {'-g': (CONF_NFS, 'mountd', 'manage-gids', '1'),
+ '-o': (CONF_NFS, 'mountd', 'descriptors', '$1'),
+ '-d': (CONF_NFS, 'mountd', 'debug', '$1'),
+ '-H': (CONF_NFS, 'mountd', 'ha-callout', '$1'),
+ '-p': (CONF_NFS, 'mountd', 'port', '$1'),
+ '-N': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
+ '-V': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
+ '-n': (CONF_NFS, 'nfsd', 'tcp', '0'),
+ '-s': (CONF_NFS, 'mountd', 'stat-directory-path', '$1'),
+ '-t': (CONF_NFS, 'mountd', 'threads', '$1'),
+ '-r': (CONF_NFS, 'mountd', 'reverse-lookup', '1'),
+ '-u': (CONF_NFS, 'nfsd', 'udp', '0'),
+ '--manage-gids': (CONF_NFS, 'mountd', 'manage-gids', '1'),
+ '--descriptors': (CONF_NFS, 'mountd', 'descriptors', '$1'),
+ '--debug': (CONF_NFS, 'mountd', 'debug', '$1'),
+ '--ha-callout': (CONF_NFS, 'mountd', 'ha-callout', '$1'),
+ '--port': (CONF_NFS, 'mountd', 'port', '$1'),
+ '--nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
+ '--no-nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
+ '--no-tcp': (CONF_NFS, 'nfsd', 'tcp', '0'),
+ '--state-directory-path': (CONF_NFS, 'mountd', 'state-directory-path', '$1'),
+ '--num-threads': (CONF_NFS, 'mountd', 'threads', '$1'),
+ '--reverse-lookup': (CONF_NFS, 'mountd', 'reverse-lookup', '1'),
+ '--no-udp': (CONF_NFS, 'nfsd', 'udp', '0'),
+ }
+
+# options for statd found in STATDARG
+OPTS_STATD = 'o:p:T:U:n:P:H:L'
+LONG_STATD = ['outgoing-port=', 'port=', 'name=', 'state-directory-path=',
+ 'ha-callout=', 'nlm-port=', 'nlm-udp-port=', 'no-notify']
+CONV_STATD = {'-o': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
+ '-p': (CONF_NFS, 'statd', 'port', '$1'),
+ '-T': (CONF_NFS, 'lockd', 'port', '$1'),
+ '-U': (CONF_NFS, 'lockd', 'udp-port', '$1'),
+ '-n': (CONF_NFS, 'statd', 'name', '$1'),
+ '-P': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
+ '-H': (CONF_NFS, 'statd', 'ha-callout', '$1'),
+ '-L': (CONF_NFS, 'statd', 'no-notify', '1'),
+ '--outgoing-port': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
+ '--port': (CONF_NFS, 'statd', 'port', '$1'),
+ '--name': (CONF_NFS, 'statd', 'name', '$1'),
+ '--state-directory-path': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
+ '--ha-callout': (CONF_NFS, 'statd', 'ha-callout', '$1'),
+ '--nlm-port': (CONF_NFS, 'lockd', 'port', '$1'),
+ '--nlm-udp-port': (CONF_NFS, 'lockd', 'udp-port', '$1'),
+ '--no-notify': (CONF_NFS, 'statd', 'no-notify', '1'),
+ }
+
+# options for sm-notify found in SMNOTIFYARGS
+OPTS_SMNOTIFY = 'dm:np:v:P:f'
+CONV_SMNOTIFY = {'-d': (CONF_NFS, 'sm-notify', 'debug', 'all'),
+ '-m': (CONF_NFS, 'sm-notify', 'retry-time', '$1'),
+ '-n': (CONF_NFS, 'sm-notify', 'update-state', '1'),
+ '-p': (CONF_NFS, 'sm-notify', 'outgoing-port', '$1'),
+ '-v': (CONF_NFS, 'sm-notify', 'outgoing-addr', '$1'),
+ '-f': (CONF_NFS, 'sm-notify', 'force', '1'),
+ '-P': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
+ }
+
+# options for idmapd found in RPCIDMAPDARGS
+OPTS_IDMAPD = 'vp:CS'
+CONV_IDMAPD = {'-v': (CONF_IDMAP, 'general', 'verbosity', '+'),
+ '-p': (CONF_NFS, 'general', 'pipefs-directory', '$1'),
+ '-C': (CONF_IDMAP, 'general', 'client-only', '1'),
+ '-S': (CONF_IDMAP, 'general', 'server-only', '1'),
+ }
+
+# options for gssd found in RPCGSSDARGS
+OPTS_GSSD = 'Mnvrp:k:d:t:T:R:lD'
+CONV_GSSD = {'-M': (CONF_NFS, 'gssd', 'use-memcache', '1'),
+ '-n': (CONF_NFS, 'gssd', 'root_uses_machine_creds', '0'),
+ '-v': (CONF_NFS, 'gssd', 'verbosity', '+'),
+ '-r': (CONF_NFS, 'gssd', 'rpc-verbosity', '+'),
+ '-p': (CONF_NFS, 'general', 'pipefs-directory', '$1'),
+ '-k': (CONF_NFS, 'gssd', 'keytab-file', '$1'),
+ '-d': (CONF_NFS, 'gssd', 'cred-cache-directory', '$1'),
+ '-t': (CONF_NFS, 'gssd', 'context-timeout', '$1'),
+ '-T': (CONF_NFS, 'gssd', 'rpc-timeout', '$1'),
+ '-R': (CONF_NFS, 'gssd', 'preferred-realm', '$1'),
+ '-l': (CONF_NFS, 'gssd', 'limit-to-legacy-enctypes', '0'),
+ '-D': (CONF_NFS, 'gssd', 'avoid-dns', '0'),
+ }
+
+# options for blkmapd found in BLKMAPDARGS
+OPTS_BLKMAPD = ''
+CONV_BLKMAPD = {}
+
+# meta list of all the getopt lists
+GETOPT_MAPS = [('RPCNFSDARGS', OPTS_NFSD, LONG_NFSD, CONV_NFSD),
+ ('RPCMOUNTDOPTS', OPTS_MOUNTD, LONG_MOUNTD, CONV_MOUNTD),
+ ('STATDARG', OPTS_STATD, LONG_STATD, CONV_STATD),
+ ('STATDARGS', OPTS_STATD, LONG_STATD, CONV_STATD),
+ ('SMNOTIFYARGS', OPTS_SMNOTIFY, [], CONV_SMNOTIFY),
+ ('RPCIDMAPDARGS', OPTS_IDMAPD, [], CONV_IDMAPD),
+ ('RPCGSSDARGS', OPTS_GSSD, [], CONV_GSSD),
+ ('BLKMAPDARGS', OPTS_BLKMAPD, [], CONV_BLKMAPD),
+ ]
+
+# any fixups we need to apply first
+GETOPT_FIXUP = {'RPCNFSDARGS': ('--rdma', '--rdma=nfsrdma'),
+ }
+
+# map for all of the single option values
+VALUE_MAPS = {'LOCKD_TCPPORT': (CONF_NFS, 'lockd', 'port', '$1'),
+ 'LOCKD_UDPPORT': (CONF_NFS, 'lockd', 'udp-port', '$1'),
+ 'RPCNFSDCOUNT': (CONF_NFS, 'nfsd', 'threads', '$1'),
+ 'NFSD_V4_GRACE': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
+ 'NFSD_V4_LEASE': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
+ 'MOUNTD_PORT': (CONF_NFS, 'mountd', 'port', '$1'),
+ 'STATD_PORT': (CONF_NFS, 'statd', 'port', '$1'),
+ 'STATD_OUTGOING_PORT': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
+ 'STATD_HA_CALLOUT': (CONF_NFS, 'statd', 'ha-callout', '$1'),
+ 'GSS_USE_PROXY': (CONF_NFS, 'gssd', 'use-gss-proxy', '$1')
+ }
+
+def eprint(*args, **kwargs):
+ """ Print error to stderr """
+ print(*args, file=sys.stderr, **kwargs)
+
+def makesub(param, value):
+ """ Variable substitution """
+ return param.replace('$1', value)
+
+def set_value(value, entry):
+ """ Set a configuration value by running nfsconf tool"""
+ cfile, section, tag, param = entry
+
+ tag = makesub(tag, value)
+ param = makesub(param, value)
+ if param == '+':
+ param = value
+ if param == ',':
+ param = value
+ args = [CONF_TOOL, "--file", cfile, "--set", section, tag, param]
+
+ try:
+ subprocess.check_output(args, stderr=subprocess.STDOUT)
+ except subprocess.CalledProcessError as e:
+ print("Error running nfs-conf tool:\n %s" % (e.output.decode()))
+ print("Args: %s\n" % args)
+ raise Exception
+
+def convert_getopt(optname, options, optstring, longopts, conversions):
+ """ Parse option string into seperate config items
+
+ Take a getopt string and a table of conversions
+ parse it all and spit out the converted config
+
+ Keyword arguments:
+ options -- the argv string to convert
+ optstring -- getopt format option list
+ conversions -- table of translations
+ """
+ optcount = 0
+ try:
+ args = options.strip('\"').split()
+ if optname in GETOPT_FIXUP:
+ (k, v) = GETOPT_FIXUP[optname]
+ for i, opt in enumerate(args):
+ if opt == k:
+ args[i] = v
+ elif opt == '--':
+ break
+ optlist, optargs = getopt.gnu_getopt(args, optstring, longopts=longopts)
+ except getopt.GetoptError as err:
+ eprint(err)
+ raise Exception
+
+ setlist = {}
+ for (k, v) in optlist:
+ if k in conversions:
+ # it's already been set once
+ param = conversions[k][3]
+ tag = k + makesub(conversions[k][2], v)
+ if tag in setlist:
+ value = setlist[tag][0]
+ # is it a cummulative entry
+ if param == '+':
+ value = str(int(value) + 1)
+ if param == ',':
+ value += "," + v
+ else:
+ if param == '+':
+ value = "1"
+ elif param == ',':
+ value = v
+ else:
+ value = v
+ setlist[tag] = (value, conversions[k])
+ else:
+ if v:
+ eprint("Ignoring unrecognised option %s=%s in %s" % (k, v, optname))
+ else:
+ eprint("Ignoring unrecognised option %s in %s" % (k, optname))
+
+
+ for v, c in setlist.values():
+ try:
+ set_value(v, c)
+ optcount += 1
+ except Exception:
+ raise
+
+ i = 1
+ for o in optargs:
+ opname = '$' + str(i)
+ if opname in conversions:
+ try:
+ set_value(o, conversions[opname])
+ optcount += 1
+ except Exception:
+ raise
+ else:
+ eprint("Unrecognised trailing arguments")
+ raise Exception
+ i += 1
+
+ return optcount
+
+def map_values():
+ """ Main function """
+ mapcount = 0
+
+ # Lets load the old config
+ with open(SYSCONF_NFS) as cfile:
+ file_content = '[sysconf]\n' + cfile.read()
+ sysconfig = configparser.RawConfigParser()
+ sysconfig.read_string(file_content)
+
+ # Map all the getopt option lists
+ for (name, opts, lopts, conv) in GETOPT_MAPS:
+ if name in sysconfig['sysconf']:
+ try:
+ mapcount += convert_getopt(name, sysconfig['sysconf'][name], opts,
+ lopts, conv)
+ except Exception:
+ eprint("Error whilst converting %s to nfsconf options." % (name))
+ raise
+
+ # Map the single value options
+ for name, opts in VALUE_MAPS.items():
+ if name in sysconfig['sysconf']:
+ try:
+ value = sysconfig['sysconf'][name]
+ set_value(value.strip('\"'), opts)
+ mapcount += 1
+ except Exception:
+ raise
+
+ # All went well, move aside the old file
+ # but dont bother if there were no changes and
+ # an old config file already exists
+ backupfile = SYSCONF_NFS + SYSCONF_BACKUP
+ if mapcount > 0 or not os.path.exists(backupfile):
+ try:
+ os.replace(SYSCONF_NFS, backupfile)
+ except OSError as err:
+ eprint("Error moving old config %s: %s" % (SYSCONF_NFS, err))
+ raise
+
+# Main routine
+try:
+ map_values()
+except Exception as e:
+ eprint(e)
+ eprint("Conversion failed. Please correct the error and try again.")
+ exit(1)