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b91b93 |
#!/usr/bin/env python3
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b91b93 |
"""
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b91b93 |
Read in the deprecated /etc/sysconfig/nfs file and
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b91b93 |
set the corresponding values in nfs.conf
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b91b93 |
"""
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b91b93 |
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b91b93 |
from __future__ import print_function
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b91b93 |
import os
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b91b93 |
import sys
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b91b93 |
import getopt
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b91b93 |
import subprocess
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b91b93 |
import configparser
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b91b93 |
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b91b93 |
CONF_NFS = '/etc/nfs.conf'
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b91b93 |
CONF_IDMAP = '/etc/idmapd.conf'
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b91b93 |
SYSCONF_NFS = '/etc/sysconfig/nfs'
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b91b93 |
SYSCONF_BACKUP = ".rpmsave"
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b91b93 |
CONF_TOOL = '/usr/sbin/nfsconf'
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b91b93 |
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b91b93 |
# options for nfsd found in RPCNFSDARGS
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b91b93 |
OPTS_NFSD = 'dH:p:rR:N:V:stTuUG:L:'
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b91b93 |
LONG_NFSD = ['debug', 'host=', 'port=', 'rdma=', 'nfs-version=', 'no-nfs-version=',
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'tcp', 'no-tcp', 'udp', 'no-udp', 'grace-time=', 'lease-time=']
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b91b93 |
CONV_NFSD = {'-d': (CONF_NFS, 'nfsd', 'debug', 'all'),
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b91b93 |
'-H': (CONF_NFS, 'nfsd', 'host', ','),
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b91b93 |
'-p': (CONF_NFS, 'nfsd', 'port', '$1'),
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b91b93 |
'-r': (CONF_NFS, 'nfsd', 'rdma', 'nfsrdma'),
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b91b93 |
'-R': (CONF_NFS, 'nfsd', 'rdma', '$1'),
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b91b93 |
'-N': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
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b91b93 |
'-V': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
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b91b93 |
'-t': (CONF_NFS, 'nfsd', 'tcp', '1'),
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b91b93 |
'-T': (CONF_NFS, 'nfsd', 'tcp', '0'),
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b91b93 |
'-u': (CONF_NFS, 'nfsd', 'udp', '1'),
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b91b93 |
'-U': (CONF_NFS, 'nfsd', 'udp', '0'),
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b91b93 |
'-G': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
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b91b93 |
'-L': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
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b91b93 |
'$1': (CONF_NFS, 'nfsd', 'threads', '$1'),
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'--debug': (CONF_NFS, 'nfsd', 'debug', 'all'),
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'--host': (CONF_NFS, 'nfsd', 'host', ','),
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'--port': (CONF_NFS, 'nfsd', 'port', '$1'),
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'--rdma': (CONF_NFS, 'nfsd', 'rdma', '$1'),
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'--no-nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
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'--nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
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'--tcp': (CONF_NFS, 'nfsd', 'tcp', '1'),
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'--no-tcp': (CONF_NFS, 'nfsd', 'tcp', '0'),
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'--udp': (CONF_NFS, 'nfsd', 'udp', '1'),
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'--no-udp': (CONF_NFS, 'nfsd', 'udp', '0'),
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b91b93 |
'--grace-time': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
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b91b93 |
'--lease-time': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for mountd found in RPCMOUNTDOPTS
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b91b93 |
OPTS_MOUNTD = 'go:d:H:p:N:nrs:t:V:'
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b91b93 |
LONG_MOUNTD = ['descriptors=', 'debug=', 'nfs-version=', 'no-nfs-version=',
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'port=', 'no-tcp', 'ha-callout=', 'state-directory-path=',
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'num-threads=', 'reverse-lookup', 'manage-gids', 'no-udp']
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b91b93 |
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CONV_MOUNTD = {'-g': (CONF_NFS, 'mountd', 'manage-gids', '1'),
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'-o': (CONF_NFS, 'mountd', 'descriptors', '$1'),
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'-d': (CONF_NFS, 'mountd', 'debug', '$1'),
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'-H': (CONF_NFS, 'mountd', 'ha-callout', '$1'),
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'-p': (CONF_NFS, 'mountd', 'port', '$1'),
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b91b93 |
'-N': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
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'-V': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
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'-n': (CONF_NFS, 'nfsd', 'tcp', '0'),
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'-s': (CONF_NFS, 'mountd', 'stat-directory-path', '$1'),
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'-t': (CONF_NFS, 'mountd', 'threads', '$1'),
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b91b93 |
'-r': (CONF_NFS, 'mountd', 'reverse-lookup', '1'),
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'-u': (CONF_NFS, 'nfsd', 'udp', '0'),
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b91b93 |
'--manage-gids': (CONF_NFS, 'mountd', 'manage-gids', '1'),
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'--descriptors': (CONF_NFS, 'mountd', 'descriptors', '$1'),
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'--debug': (CONF_NFS, 'mountd', 'debug', '$1'),
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'--ha-callout': (CONF_NFS, 'mountd', 'ha-callout', '$1'),
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b91b93 |
'--port': (CONF_NFS, 'mountd', 'port', '$1'),
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b91b93 |
'--nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'y'),
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b91b93 |
'--no-nfs-version': (CONF_NFS, 'nfsd', 'vers$1', 'n'),
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b91b93 |
'--no-tcp': (CONF_NFS, 'nfsd', 'tcp', '0'),
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b91b93 |
'--state-directory-path': (CONF_NFS, 'mountd', 'state-directory-path', '$1'),
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b91b93 |
'--num-threads': (CONF_NFS, 'mountd', 'threads', '$1'),
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'--reverse-lookup': (CONF_NFS, 'mountd', 'reverse-lookup', '1'),
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b91b93 |
'--no-udp': (CONF_NFS, 'nfsd', 'udp', '0'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for statd found in STATDARG
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b91b93 |
OPTS_STATD = 'o:p:T:U:n:P:H:'
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b91b93 |
LONG_STATD = ['outgoing-port=', 'port=', 'name=', 'state-directory-path=',
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b91b93 |
'ha-callout=', 'nlm-port=', 'nlm-udp-port=']
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b91b93 |
CONV_STATD = {'-o': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
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b91b93 |
'-p': (CONF_NFS, 'statd', 'port', '$1'),
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b91b93 |
'-T': (CONF_NFS, 'lockd', 'port', '$1'),
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b91b93 |
'-U': (CONF_NFS, 'lockd', 'udp-port', '$1'),
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b91b93 |
'-n': (CONF_NFS, 'statd', 'name', '$1'),
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b91b93 |
'-P': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
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b91b93 |
'-H': (CONF_NFS, 'statd', 'ha-callout', '$1'),
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b91b93 |
'--outgoing-port': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
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b91b93 |
'--port': (CONF_NFS, 'statd', 'port', '$1'),
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b91b93 |
'--name': (CONF_NFS, 'statd', 'name', '$1'),
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b91b93 |
'--state-directory-path': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
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b91b93 |
'--ha-callout': (CONF_NFS, 'statd', 'ha-callout', '$1'),
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b91b93 |
'--nlm-port': (CONF_NFS, 'lockd', 'port', '$1'),
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b91b93 |
'--nlm-udp-port': (CONF_NFS, 'lockd', 'udp-port', '$1'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for sm-notify found in SMNOTIFYARGS
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b91b93 |
OPTS_SMNOTIFY = 'dm:np:v:P:'
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b91b93 |
CONV_SMNOTIFY = {'-d': (CONF_NFS, 'sm-notify', 'debug', 'all'),
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b91b93 |
'-m': (CONF_NFS, 'sm-notify', 'retry-time', '$1'),
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b91b93 |
'-n': (CONF_NFS, 'sm-notify', 'update-state', '1'),
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b91b93 |
'-p': (CONF_NFS, 'sm-notify', 'outgoing-port', '$1'),
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b91b93 |
'-v': (CONF_NFS, 'sm-notify', 'outgoing-addr', '$1'),
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b91b93 |
'-P': (CONF_NFS, 'statd', 'state-directory-path', '$1'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for idmapd found in RPCIDMAPDARGS
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b91b93 |
OPTS_IDMAPD = 'vp:CS'
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b91b93 |
CONV_IDMAPD = {'-v': (CONF_IDMAP, 'general', 'verbosity', '+'),
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b91b93 |
'-p': (CONF_NFS, 'general', 'pipefs-directory', '$1'),
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b91b93 |
'-C': (CONF_IDMAP, 'general', 'client-only', '1'),
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b91b93 |
'-S': (CONF_IDMAP, 'general', 'server-only', '1'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for gssd found in RPCGSSDARGS
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b91b93 |
OPTS_GSSD = 'Mnvrp:k:d:t:T:R:lD'
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b91b93 |
CONV_GSSD = {'-M': (CONF_NFS, 'gssd', 'use-memcache', '1'),
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b91b93 |
'-n': (CONF_NFS, 'gssd', 'root_uses_machine_creds', '0'),
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b91b93 |
'-v': (CONF_NFS, 'gssd', 'verbosity', '+'),
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b91b93 |
'-r': (CONF_NFS, 'gssd', 'rpc-verbosity', '+'),
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b91b93 |
'-p': (CONF_NFS, 'general', 'pipefs-directory', '$1'),
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b91b93 |
'-k': (CONF_NFS, 'gssd', 'keytab-file', '$1'),
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b91b93 |
'-d': (CONF_NFS, 'gssd', 'cred-cache-directory', '$1'),
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b91b93 |
'-t': (CONF_NFS, 'gssd', 'context-timeout', '$1'),
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b91b93 |
'-T': (CONF_NFS, 'gssd', 'rpc-timeout', '$1'),
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b91b93 |
'-R': (CONF_NFS, 'gssd', 'preferred-realm', '$1'),
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b91b93 |
'-l': (CONF_NFS, 'gssd', 'limit-to-legacy-enctypes', '0'),
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b91b93 |
'-D': (CONF_NFS, 'gssd', 'avoid-dns', '0'),
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b91b93 |
}
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b91b93 |
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b91b93 |
# options for blkmapd found in BLKMAPDARGS
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b91b93 |
OPTS_BLKMAPD = ''
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b91b93 |
CONV_BLKMAPD = {}
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b91b93 |
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b91b93 |
# meta list of all the getopt lists
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b91b93 |
GETOPT_MAPS = [('RPCNFSDARGS', OPTS_NFSD, LONG_NFSD, CONV_NFSD),
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b91b93 |
('RPCMOUNTDOPTS', OPTS_MOUNTD, LONG_MOUNTD, CONV_MOUNTD),
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b91b93 |
('STATDARG', OPTS_STATD, LONG_STATD, CONV_STATD),
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b91b93 |
('STATDARGS', OPTS_STATD, LONG_STATD, CONV_STATD),
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b91b93 |
('SMNOTIFYARGS', OPTS_SMNOTIFY, [], CONV_SMNOTIFY),
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b91b93 |
('RPCIDMAPDARGS', OPTS_IDMAPD, [], CONV_IDMAPD),
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b91b93 |
('RPCGSSDARGS', OPTS_GSSD, [], CONV_GSSD),
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b91b93 |
('BLKMAPDARGS', OPTS_BLKMAPD, [], CONV_BLKMAPD),
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b91b93 |
]
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b91b93 |
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b91b93 |
# map for all of the single option values
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b91b93 |
VALUE_MAPS = {'LOCKD_TCPPORT': (CONF_NFS, 'lockd', 'port', '$1'),
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b91b93 |
'LOCKD_UDPPORT': (CONF_NFS, 'lockd', 'udp-port', '$1'),
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b91b93 |
'RPCNFSDCOUNT': (CONF_NFS, 'nfsd', 'threads', '$1'),
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b91b93 |
'NFSD_V4_GRACE': (CONF_NFS, 'nfsd', 'grace-time', '$1'),
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b91b93 |
'NFSD_V4_LEASE': (CONF_NFS, 'nfsd', 'lease-time', '$1'),
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b91b93 |
'MOUNTD_PORT': (CONF_NFS, 'mountd', 'port', '$1'),
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b91b93 |
'STATD_PORT': (CONF_NFS, 'statd', 'port', '$1'),
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b91b93 |
'STATD_OUTGOING_PORT': (CONF_NFS, 'statd', 'outgoing-port', '$1'),
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b91b93 |
'STATD_HA_CALLOUT': (CONF_NFS, 'statd', 'ha-callout', '$1'),
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b91b93 |
'GSS_USE_PROXY': (CONF_NFS, 'gssd', 'use-gss-proxy', '$1')
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b91b93 |
}
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b91b93 |
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b91b93 |
def eprint(*args, **kwargs):
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b91b93 |
""" Print error to stderr """
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b91b93 |
print(*args, file=sys.stderr, **kwargs)
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b91b93 |
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b91b93 |
def makesub(param, value):
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b91b93 |
""" Variable substitution """
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b91b93 |
return param.replace('$1', value)
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b91b93 |
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b91b93 |
def set_value(value, entry):
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b91b93 |
""" Set a configuration value by running nfsconf tool"""
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b91b93 |
cfile, section, tag, param = entry
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b91b93 |
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b91b93 |
tag = makesub(tag, value)
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b91b93 |
param = makesub(param, value)
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b91b93 |
if param == '+':
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b91b93 |
param = value
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b91b93 |
if param == ',':
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b91b93 |
param = value
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b91b93 |
args = [CONF_TOOL, "--file", cfile, "--set", section, tag, param]
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b91b93 |
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b91b93 |
try:
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b91b93 |
subprocess.check_output(args, stderr=subprocess.STDOUT)
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b91b93 |
except subprocess.CalledProcessError as e:
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b91b93 |
print("Error running nfs-conf tool:\n %s" % (e.output.decode()))
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b91b93 |
print("Args: %s\n" % args)
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b91b93 |
raise Exception
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b91b93 |
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b91b93 |
def convert_getopt(optname, options, optstring, longopts, conversions):
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b91b93 |
""" Parse option string into seperate config items
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b91b93 |
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b91b93 |
Take a getopt string and a table of conversions
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b91b93 |
parse it all and spit out the converted config
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b91b93 |
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b91b93 |
Keyword arguments:
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b91b93 |
options -- the argv string to convert
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b91b93 |
optstring -- getopt format option list
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b91b93 |
conversions -- table of translations
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b91b93 |
"""
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b91b93 |
optcount = 0
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b91b93 |
try:
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b91b93 |
args = options.strip('\"').split()
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b91b93 |
optlist, optargs = getopt.gnu_getopt(args, optstring, longopts=longopts)
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b91b93 |
except getopt.GetoptError as err:
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b91b93 |
eprint(err)
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b91b93 |
raise Exception
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b91b93 |
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b91b93 |
setlist = {}
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b91b93 |
for (k, v) in optlist:
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b91b93 |
if k in conversions:
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b91b93 |
# it's already been set once
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b91b93 |
param = conversions[k][3]
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b91b93 |
tag = k + makesub(conversions[k][2], v)
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b91b93 |
if tag in setlist:
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b91b93 |
value = setlist[tag][0]
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b91b93 |
# is it a cummulative entry
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b91b93 |
if param == '+':
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b91b93 |
value = str(int(value) + 1)
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b91b93 |
if param == ',':
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b91b93 |
value += "," + v
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b91b93 |
else:
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b91b93 |
if param == '+':
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b91b93 |
value = "1"
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b91b93 |
elif param == ',':
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b91b93 |
value = v
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b91b93 |
else:
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b91b93 |
value = v
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b91b93 |
setlist[tag] = (value, conversions[k])
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b91b93 |
else:
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b91b93 |
if v:
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b91b93 |
eprint("Ignoring unrecognised option %s=%s in %s" % (k, v, optname))
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b91b93 |
else:
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b91b93 |
eprint("Ignoring unrecognised option %s in %s" % (k, optname))
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b91b93 |
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b91b93 |
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b91b93 |
for v, c in setlist.values():
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b91b93 |
try:
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b91b93 |
set_value(v, c)
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b91b93 |
optcount += 1
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b91b93 |
except Exception:
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b91b93 |
raise
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b91b93 |
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b91b93 |
i = 1
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b91b93 |
for o in optargs:
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b91b93 |
opname = '$' + str(i)
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b91b93 |
if opname in conversions:
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b91b93 |
try:
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b91b93 |
set_value(o, conversions[opname])
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b91b93 |
optcount += 1
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b91b93 |
except Exception:
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b91b93 |
raise
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b91b93 |
else:
|
|
|
b91b93 |
eprint("Unrecognised trailing arguments")
|
|
|
b91b93 |
raise Exception
|
|
|
b91b93 |
i += 1
|
|
|
b91b93 |
|
|
|
b91b93 |
return optcount
|
|
|
b91b93 |
|
|
|
b91b93 |
def map_values():
|
|
|
b91b93 |
""" Main function """
|
|
|
b91b93 |
mapcount = 0
|
|
|
b91b93 |
|
|
|
b91b93 |
# Lets load the old config
|
|
|
b91b93 |
with open(SYSCONF_NFS) as cfile:
|
|
|
b91b93 |
file_content = '[sysconf]\n' + cfile.read()
|
|
|
b91b93 |
sysconfig = configparser.RawConfigParser()
|
|
|
b91b93 |
sysconfig.read_string(file_content)
|
|
|
b91b93 |
|
|
|
b91b93 |
# Map all the getopt option lists
|
|
|
b91b93 |
for (name, opts, lopts, conv) in GETOPT_MAPS:
|
|
|
b91b93 |
if name in sysconfig['sysconf']:
|
|
|
b91b93 |
try:
|
|
|
b91b93 |
mapcount += convert_getopt(name, sysconfig['sysconf'][name], opts,
|
|
|
b91b93 |
lopts, conv)
|
|
|
b91b93 |
except Exception:
|
|
|
b91b93 |
eprint("Error whilst converting %s to nfsconf options." % (name))
|
|
|
b91b93 |
raise
|
|
|
b91b93 |
|
|
|
b91b93 |
# Map the single value options
|
|
|
b91b93 |
for name, opts in VALUE_MAPS.items():
|
|
|
b91b93 |
if name in sysconfig['sysconf']:
|
|
|
b91b93 |
try:
|
|
|
b91b93 |
value = sysconfig['sysconf'][name]
|
|
|
b91b93 |
set_value(value.strip('\"'), opts)
|
|
|
b91b93 |
mapcount += 1
|
|
|
b91b93 |
except Exception:
|
|
|
b91b93 |
raise
|
|
|
b91b93 |
|
|
|
b91b93 |
# All went well, move aside the old file
|
|
|
b91b93 |
# but dont bother if there were no changes and
|
|
|
b91b93 |
# an old config file already exists
|
|
|
b91b93 |
backupfile = SYSCONF_NFS + SYSCONF_BACKUP
|
|
|
b91b93 |
if mapcount > 0 or not os.path.exists(backupfile):
|
|
|
b91b93 |
try:
|
|
|
b91b93 |
os.replace(SYSCONF_NFS, backupfile)
|
|
|
b91b93 |
except OSError as err:
|
|
|
b91b93 |
eprint("Error moving old config %s: %s" % (SYSCONF_NFS, err))
|
|
|
b91b93 |
raise
|
|
|
b91b93 |
|
|
|
b91b93 |
# Main routine
|
|
|
b91b93 |
try:
|
|
|
b91b93 |
map_values()
|
|
|
b91b93 |
except Exception as e:
|
|
|
b91b93 |
eprint(e)
|
|
|
b91b93 |
eprint("Conversion failed. Please correct the error and try again.")
|
|
|
b91b93 |
exit(1)
|