diff options
Diffstat (limited to 'tools/nfsconvert.in')
| -rw-r--r-- | tools/nfsconvert.in | 324 |
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) |