Class: Yast::NfsClass
- Inherits:
-
Module
- Object
- Module
- Yast::NfsClass
- Defined in:
- ../../src/modules/Nfs.rb
Instance Method Summary (collapse)
-
- (Hash) AutoPackages
Return required packages for auto-installation.
-
- (Object) EscapeSpaces(entries)
Escape spaces “ ” -> “040” in all values of all entries.
-
- (Object) EscapeSpaces1(s)
Escape spaces “ ” -> “040”.
-
- (Object) Export
Dump the NFS settings to a map, for autoinstallation use.
-
- (Object) FillEntriesDefaults(entries)
Fill in the defaults for AY profile entries.
- - (Object) FindPortmapper
-
- (Boolean) GetModified
Functions which returns if the settings were modified.
-
- (Object) GetOptionsAndEntries(any_settings, global_options, entries)
From settings (which is a list in SLE11 but a map in oS: bnc#820989), extract the options and the NFS fstab entries.
- - (Object) GetOptionsAndEntriesMap(settings, global_options, entries)
- - (Object) GetOptionsAndEntriesSLE11(settings, global_options, entries)
-
- (Object) gsub(regex, replacement, s)
(like awk gsub, but return the result, not number of replacements) replaces from back!.
-
- (Object) Import(settings)
Get all NFS configuration from a map.
- - (Object) ImportAny(settings)
- - (Object) main
-
- (String) Mount(server, share, mpoint, options, type)
Mount NFS directory.
-
- (Object) ProbeExports(server, v4)
Probe a server for its exports.
-
- (Object) ProbeServers
Probe the LAN for NFS servers.
-
- (Object) Read
Reads NFS settings from the SCR (.etc.fstab).
- - (Object) ReadIdmapd
- - (Object) ReadNfs4
- - (Object) ReadNfsGss
-
- (Object) SetModified
Function sets internal variable, which indicates, that any settings were modified, to “true”.
-
- (Object) Summary
Summary().
-
- (Object) UnescapeSpaces(entries)
Un-escape spaces “040” -> “ ” in all values of all entries.
-
- (Object) UnescapeSpaces1(s)
Un-escape spaces “040” -> “ ”.
-
- (Boolean) Unmount(mpoint)
Unmount NFS directory from the system.
- - (Object) ValidateAyNfsEntry(entry)
-
- (Object) Write
Writes the NFS client configuration and starts/stops the service.
-
- (Object) WriteOnly
Writes the NFS client configuration without starting/stopping the service.
Instance Method Details
- (Hash) AutoPackages
Return required packages for auto-installation
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# File '../../src/modules/Nfs.rb', line 697 def AutoPackages { "install" => @required_packages, "remove" => [] } end |
- (Object) EscapeSpaces(entries)
Escape spaces “ ” -> “040” in all values of all entries
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# File '../../src/modules/Nfs.rb', line 273 def EscapeSpaces(entries) entries = deep_copy(entries) Builtins.maplist(entries) { |entry| Builtins.mapmap(entry) do |key, value| { key => Ops.is_string?(value) ? EscapeSpaces1(Convert.to_string(value)) : value } end } end |
- (Object) EscapeSpaces1(s)
Escape spaces “ ” -> “040”.
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# File '../../src/modules/Nfs.rb', line 264 def EscapeSpaces1(s) s == nil ? nil : Builtins.mergestring(Builtins.splitstring(s, " "), "\\040") end |
- (Object) Export
Dump the NFS settings to a map, for autoinstallation use.
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# File '../../src/modules/Nfs.rb', line 238 def Export settings = {} Ops.set(settings, "enable_nfs4", @nfs4_enabled) Ops.set(settings, "enable_nfs_gss", @nfs_gss_enabled) Ops.set(settings, "idmapd_domain", @idmapd_domain) entries = Builtins.maplist(@nfs_entries) do |entry| { "server_path" => Ops.get_string(entry, "spec", ""), "mount_point" => Ops.get_string(entry, "file", ""), "vfstype" => Ops.get_string(entry, "vfstype", ""), "nfs_options" => Ops.get_string(entry, "mntops", "") } end Ops.set(settings, "nfs_entries", entries) deep_copy(settings) end |
- (Object) FillEntriesDefaults(entries)
Fill in the defaults for AY profile entries.
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# File '../../src/modules/Nfs.rb', line 169 def FillEntriesDefaults(entries) entries = deep_copy(entries) Builtins.maplist(entries) do |e| #Backwards compatibility: with FaTE#302031, we support nfsv4 mounts #thus we need to keep info on nfs version (v3 vs. v4) #But older AY profiles might not contain this element #so let's assume nfsv3 in that case (#395850) Ops.set(e, "vfstype", "nfs") if !Builtins.haskey(e, "vfstype") deep_copy(e) end end |
- (Object) FindPortmapper
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# File '../../src/modules/Nfs.rb', line 329 def FindPortmapper #testsuite is dumb - it can't distinguish between the existence #of two services - either both exists or both do not return "portmap" if Mode.testsuite Service.Find(["rpcbind", "portmap"]) end |
- (Boolean) GetModified
Functions which returns if the settings were modified
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# File '../../src/modules/Nfs.rb', line 79 def GetModified @modified end |
- (Object) GetOptionsAndEntries(any_settings, global_options, entries)
From settings (which is a list in SLE11 but a map in oS: bnc#820989), extract the options and the NFS fstab entries.
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# File '../../src/modules/Nfs.rb', line 135 def GetOptionsAndEntries(any_settings, , entries) any_settings = deep_copy(any_settings) # map: oS; if Ops.is_map?(any_settings) = arg_ref(.value) entries_ref = arg_ref(entries.value) GetOptionsAndEntriesMap( Convert.to_map(any_settings), , entries_ref ) .value = .value entries.value = entries_ref.value elsif Ops.is(any_settings, "list <map>") = arg_ref(.value) entries_ref = arg_ref(entries.value) GetOptionsAndEntriesSLE11( Convert.convert(any_settings, :from => "any", :to => "list <map>"), , entries_ref ) .value = .value entries.value = entries_ref.value else Builtins.y2internal( "Cannot happen, got neither a map nor a list: %1", any_settings ) end nil end |
- (Object) GetOptionsAndEntriesMap(settings, global_options, entries)
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# File '../../src/modules/Nfs.rb', line 125 def GetOptionsAndEntriesMap(settings, , entries) settings = deep_copy(settings) .value = Builtins.remove(settings, "nfs_entries") entries.value = Ops.get_list(settings, "nfs_entries", []) nil end |
- (Object) GetOptionsAndEntriesSLE11(settings, global_options, entries)
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# File '../../src/modules/Nfs.rb', line 107 def GetOptionsAndEntriesSLE11(settings, , entries) settings = deep_copy(settings) if Builtins.haskey(Ops.get(settings, 0, {}), "enable_nfs4") || Builtins.haskey(Ops.get(settings, 0, {}), "idmapd_domain") .value = Ops.get(settings, 0, {}) settings = Builtins.remove(settings, 0) end entries.value = Convert.convert( settings, :from => "list <map>", :to => "list <map <string, any>>" ) nil end |
- (Object) gsub(regex, replacement, s)
(like awk gsub, but return the result, not number of replacements) replaces from back!
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# File '../../src/modules/Nfs.rb', line 290 def gsub(regex, replacement, s) temp = nil while true # argh, regexpsub logs an error if it cannot sub break if !Builtins.regexpmatch(s, Ops.add(Ops.add(".*", regex), ".*")) temp = Builtins.regexpsub( s, Ops.add(Ops.add("(.*)", regex), "(.*)"), Ops.add(Ops.add("\\1", replacement), "\\2") ) break if temp == nil s = temp end s end |
- (Object) Import(settings)
Get all NFS configuration from a map. When called by nfs_auto (preparing autoinstallation data) the map may be empty.
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# File '../../src/modules/Nfs.rb', line 231 def Import(settings) settings = deep_copy(settings) ImportAny(settings) end |
- (Object) ImportAny(settings)
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# File '../../src/modules/Nfs.rb', line 181 def ImportAny(settings) settings = deep_copy(settings) # ($) since oS-1x.x, settings was changed to be a map, # which is incompatible with the sle profiles; # it owuld be nice to make it compatible again # whjich this code is readyu to, but the Autoyast engine isn't. = {} entries = [] = arg_ref() entries_ref = arg_ref(entries) GetOptionsAndEntries(settings, , entries_ref) = .value entries = entries_ref.value return false if Builtins.find(entries) { |e| !ValidateAyNfsEntry(e) } != nil entries = FillEntriesDefaults(entries) @nfs4_enabled = Ops.get_boolean(, "enable_nfs4") do ReadNfs4() end @nfs_gss_enabled = Ops.get_boolean(, "enable_nfs_gss") do ReadNfsGss() end @idmapd_domain = Ops.get_string(, "idmapd_domain") do ReadIdmapd() end # vfstype can override a missing enable_nfs4 @nfs4_enabled = true if Builtins.find(entries) do |entry| Ops.get_string(entry, "vfstype", "") == "nfs4" end != nil @nfs_entries = Builtins.maplist(entries) do |entry| { "spec" => Ops.get_string(entry, "server_path", ""), "file" => Ops.get_string(entry, "mount_point", ""), "vfstype" => Ops.get_string(entry, "vfstype", ""), "mntops" => Ops.get_string(entry, "nfs_options", "") } end true end |
- (Object) main
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# File '../../src/modules/Nfs.rb', line 22 def main textdomain "nfs" Yast.import "FileUtils" Yast.import "Mode" Yast.import "NfsOptions" Yast.import "Report" Yast.import "Service" Yast.import "Summary" Yast.import "SuSEFirewall" Yast.import "Progress" Yast.import "PackageSystem" Yast.import "PackagesProposal" Yast.import "Wizard" Yast.include self, "nfs/routines.rb" # default value of settings modified @modified = false # Should fstab reading be skipped ? (yes if we're # embedded in partitioner) @skip_fstab = false # Required packages @required_packages = ["nfs-client"] # eg.: [ $["spec": "moon:/cheese", file: "/mooncheese", "mntops": "defaults"], ...] @nfs_entries = [] # Read only, intended for checking mount-point uniqueness. @non_nfs_entries = [] @nfs4_enabled = nil @nfs_gss_enabled = nil @idmapd_domain = "" @portmapper = "" # list of created directories @created_dirs = [] end |
- (String) Mount(server, share, mpoint, options, type)
Mount NFS directory
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# File '../../src/modules/Nfs.rb', line 575 def Mount(server, share, mpoint, , type) return nil if Builtins.size(server) == 0 || Builtins.size(share) == 0 # check if options are valid if Ops.greater_than(Builtins.size(), 0) if NfsOptions.validate() != "" Builtins.y2warning("invalid mount options: %1", ) return nil end end # mount to temporary directory if mpoint is nil if mpoint == nil tmpdir = Convert.to_string(SCR.Read(path(".target.tmpdir"))) if tmpdir == nil || tmpdir == "" Builtins.y2security("Warning: using /tmp directory!") tmpdir = "/tmp" end mpoint = Ops.add( Ops.add(tmpdir, "/nfs"), Builtins.sformat("%1", Builtins.size(@created_dirs)) ) # use num to allow parallel mounts end # check mount point if CheckPath(mpoint) == false # mount point is not valid Builtins.y2warning("invalid mount point: %1", mpoint) return nil end portmapper = FindPortmapper() # check whether portmapper is installed if IsPortmapperInstalled(portmapper) == false Builtins.y2warning("Neither rpcbind nor portmap is installed") return nil end # start portmapper if it isn't running if Service.Status(portmapper) != 0 if Service.Start(portmapper) == false Builtins.y2warning("%1 cannot be started", portmapper) return nil end end # create mount point if it doesn't exist if SCR.Read(path(".target.dir"), mpoint) == nil if !Convert.to_boolean(SCR.Execute(path(".target.mkdir"), mpoint)) Builtins.y2warning("cannot create mount point %1", mpoint) return nil end # remember name of created directory @created_dirs = Builtins.add(@created_dirs, mpoint) end # build mount command command = Builtins.sformat( "/bin/mount %1 %2 %3:%4 %5", Ops.greater_than(Builtins.size(), 0) ? Ops.add("-o ", ) : "", Ops.add("-t ", Ops.greater_than(Builtins.size(type), 0) ? type : "nfs"), server, share, mpoint ) # execute mount command SCR.Execute(path(".target.bash"), command) == 0 ? mpoint : nil end |
- (Object) ProbeExports(server, v4)
Probe a server for its exports.
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# File '../../src/modules/Nfs.rb', line 732 def ProbeExports(server, v4) dirs = [] # showmounts does not work for nfsv4 (#466454) if v4 tmpdir = Mount(server, "/", nil, "ro", "nfs4") # This is completely stupid way how to explore what can be mounted # and I even don't know if it is correct. Maybe 'find tmpdir -xdev -type d' # should be used instead. No clue :( dirs = Builtins.maplist( Convert.convert( SCR.Read(path(".target.dir"), tmpdir), :from => "any", :to => "list <string>" ) ) { |dirent| Ops.add("/", dirent) } dirs = Builtins.prepend(dirs, "/") Unmount(tmpdir) else dirs = Convert.convert( SCR.Read(path(".net.showexports"), server), :from => "any", :to => "list <string>" ) end dirs = ["internal error"] if dirs == nil deep_copy(dirs) end |
- (Object) ProbeServers
Probe the LAN for NFS servers. Uses RPC broadcast to mountd.
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# File '../../src/modules/Nfs.rb', line 704 def ProbeServers #newer, shinier, better rpcinfo from rpcbind (#450056) prog_name = "/sbin/rpcinfo" delim = "" #fallback from glibc (uses different field separators, grr :( ) if !FileUtils.Exists(prog_name) prog_name = "/usr/sbin/rpcinfo" delim = "-d ' ' " end # #71064 # this works also if ICMP broadcasts are ignored cmd = Ops.add( Ops.add(Ops.add(prog_name, " -b mountd 1 | cut "), delim), "-f 2 | sort -u" ) out = Convert.to_map(SCR.Execute(path(".target.bash_output"), cmd)) hosts = Builtins.filter( Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n") ) { |s| s != "" } deep_copy(hosts) end |
- (Object) Read
Reads NFS settings from the SCR (.etc.fstab)
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# File '../../src/modules/Nfs.rb', line 340 def Read #Read /etc/fstab if we're running standalone (otherwise, libstorage does the job) if !@skip_fstab fstab = Convert.convert( SCR.Read(path(".etc.fstab")), :from => "any", :to => "list <map <string, any>>" ) fstab = UnescapeSpaces(fstab) Builtins.y2milestone("fstab: %1", fstab) # For simplicity, this leaves also the unused fileds in the maps. @nfs_entries = Builtins.filter(fstab) do |entry| Ops.get_string(entry, "vfstype", "") == "nfs" || Ops.get_string(entry, "vfstype", "") == "nfs4" end @non_nfs_entries = Builtins.filter(fstab) do |entry| Ops.get_string(entry, "vfstype", "") != "nfs" && Ops.get_string(entry, "vfstype", "") != "nfs4" end end @nfs4_enabled = ReadNfs4() @nfs_gss_enabled = ReadNfsGss() @idmapd_domain = ReadIdmapd() progress_orig = Progress.set(false) SuSEFirewall.Read Progress.set(progress_orig) @portmapper = FindPortmapper() #There is neither rpcbind nor portmap if @portmapper == "" #so let's install rpcbind (default since #423026) @required_packages = Builtins.add(@required_packages, "rpcbind") @portmapper = "rpcbind" end if @nfs4_enabled @required_packages = Builtins.add(@required_packages, "nfsidmap") end if Mode.installation Builtins.foreach(@required_packages) do |p| PackagesProposal.AddResolvables("yast2-nfs-client", :package, [p]) end else if !PackageSystem.CheckAndInstallPackagesInteractive(@required_packages) return false end end true end |
- (Object) ReadIdmapd
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# File '../../src/modules/Nfs.rb', line 91 def ReadIdmapd Convert.to_string(SCR.Read(path(".etc.idmapd_conf.value.General.Domain"))) end |
- (Object) ReadNfs4
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# File '../../src/modules/Nfs.rb', line 83 def ReadNfs4 SCR.Read(path(".sysconfig.nfs.NFS4_SUPPORT")) == "yes" end |
- (Object) ReadNfsGss
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# File '../../src/modules/Nfs.rb', line 87 def ReadNfsGss SCR.Read(path(".sysconfig.nfs.NFS_SECURITY_GSS")) == "yes" end |
- (Object) SetModified
Function sets internal variable, which indicates, that any settings were modified, to "true"
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# File '../../src/modules/Nfs.rb', line 71 def SetModified @modified = true nil end |
- (Object) Summary
Summary()
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# File '../../src/modules/Nfs.rb', line 550 def Summary summary = "" nc = Summary.NotConfigured # summary header summary = Summary.AddHeader(summary, _("NFS Entries")) entries = Builtins.size(@nfs_entries) Builtins.y2milestone("Entries: %1", @nfs_entries) # summary item, %1 is a number configured = Builtins.sformat(_("%1 entries configured"), entries) summary = Summary.AddLine( summary, Ops.greater_than(entries, 0) ? configured : nc ) summary end |
- (Object) UnescapeSpaces(entries)
Un-escape spaces “040” -> “ ” in all values of all entries
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# File '../../src/modules/Nfs.rb', line 318 def UnescapeSpaces(entries) entries = deep_copy(entries) Builtins.maplist(entries) { |entry| Builtins.mapmap(entry) do |key, value| { key => Ops.is_string?(value) ? UnescapeSpaces1(Convert.to_string(value)) : value } end } end |
- (Object) UnescapeSpaces1(s)
Un-escape spaces “040” -> “ ”
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# File '../../src/modules/Nfs.rb', line 309 def UnescapeSpaces1(s) # escaped space, \040, is /\\040/ # which is "\\\\040" s == nil ? nil : gsub("\\\\040", " ", s) end |
- (Boolean) Unmount(mpoint)
Unmount NFS directory from the system
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# File '../../src/modules/Nfs.rb', line 654 def Unmount(mpoint) return false if Builtins.size(mpoint) == 0 # unmount directory if it's NFS mountpoint mounts = Convert.convert( SCR.Read(path(".proc.mounts")), :from => "any", :to => "list <map <string, any>>" ) found = false Builtins.foreach(mounts) do |m| type = Ops.get_string(m, "vfstype") file = Ops.get_string(m, "file") found = true if (type == "nfs" || type == "nfs4") && file == mpoint end if found command = Builtins.sformat("/bin/umount %1", mpoint) return false if SCR.Execute(path(".target.bash"), command) != 0 else Builtins.y2warning("%1 is not NFS mount point", mpoint) return false end # if the directory was created by Mount call and it is empty then remove it if Builtins.contains(@created_dirs, mpoint) && SCR.Read(path(".target.dir"), mpoint) == [] command = Builtins.sformat("/bin/rmdir %1", mpoint) return false if SCR.Execute(path(".target.bash"), command) != 0 # remove directory from list @created_dirs = Builtins.filter(@created_dirs) { |d| d != mpoint } end true end |
- (Object) ValidateAyNfsEntry(entry)
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# File '../../src/modules/Nfs.rb', line 95 def ValidateAyNfsEntry(entry) entry = deep_copy(entry) valid = true Builtins.foreach(["server_path", "mount_point", "nfs_options"]) do |k| if !Builtins.haskey(entry, k) Builtins.y2error("Missing at Import: '%1'.", k) valid = false end end valid end |
- (Object) Write
Writes the NFS client configuration and starts/stops the service. (No parameters because it is too short to abort)
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# File '../../src/modules/Nfs.rb', line 489 def Write if WriteOnly() # dialog label Progress.New( _("Writing NFS Configuration"), " ", 2, [ # progress stage label _("Stop services"), # progress stage label _("Start services") ], [ # progress step label _("Stopping services..."), # progress step label _("Starting services..."), # final progress step label _("Finished") ], "" ) # help text Wizard.RestoreHelp(_("Writing NFS client settings. Please wait...")) Progress.NextStage Service.Stop("nfs") Progress.NextStage if Ops.greater_than(Builtins.size(@nfs_entries), 0) if Service.Status(@portmapper) != 0 # portmap must not be started if it is running already (see bug # 9999) Service.Start(@portmapper) end Service.Start("nfs") # #74597: if all mounts are noauto, $? is 6 (unconfigured) status = Service.Status("nfs") if status != 0 && status != 6 # error popup message Report.Error(_("Unable to mount the NFS entries from /etc/fstab.")) return false end end progress_orig = Progress.set(false) SuSEFirewall.ActivateConfiguration Progress.set(progress_orig) Progress.NextStage return true else return false end end |
- (Object) WriteOnly
Writes the NFS client configuration without starting/stopping the service. Autoinstallation uses this and then calls SuSEconfig only once and starts the services together. (No parameters because it is too short to abort)
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# File '../../src/modules/Nfs.rb', line 400 def WriteOnly # Merge with non-nfs entries from fstab: fstab = Convert.convert( SCR.Read(path(".etc.fstab")), :from => "any", :to => "list <map <string, any>>" ) # unescape deferred for optimization fstab = Builtins.filter(fstab) do |entry| Ops.get_string(entry, "vfstype", "") != "nfs" && Ops.get_string(entry, "vfstype", "") != "nfs4" end fstab = UnescapeSpaces(fstab) Builtins.foreach(@nfs_entries) do |entry| fstab = Builtins.add( fstab, Convert.convert( Builtins.union( entry, { "freq" => 0, "passno" => 0 } #"vfstype": "nfs", ), :from => "map", :to => "map <string, any>" ) ) # create mount points file = Ops.get_string(entry, "file", "") if !Convert.to_boolean(SCR.Execute(path(".target.mkdir"), file)) # error popup message Report.Warning( Builtins.sformat(_("Unable to create directory '%1'."), file) ) end end Builtins.y2milestone("fstab: %1", fstab) SCR.Execute( path(".target.bash"), "/bin/cp $ORIG $BACKUP", { "ORIG" => "/etc/fstab", "BACKUP" => "/etc/fstab.YaST2.save" } ) fstab = EscapeSpaces(fstab) if !SCR.Write(path(".etc.fstab"), fstab) # error popup message Report.Error( _( "Unable to write to /etc/fstab.\n" + "No changes will be made to the\n" + "the NFS client configuration.\n" ) ) return false end @portmapper = FindPortmapper() if Builtins.size(@nfs_entries) != 0 Service.Enable(@portmapper) Service.Enable("nfs") # #36737: it just runs sm_notify at boot time # replaces rpc.statd Service.Enable("nfsboot") end if @nfs4_enabled == true SCR.Write(path(".sysconfig.nfs.NFS4_SUPPORT"), "yes") SCR.Write(path(".etc.idmapd_conf.value.General.Domain"), @idmapd_domain) # flush the changes SCR.Write(path(".etc.idmapd_conf"), nil) elsif @nfs4_enabled == false SCR.Write(path(".sysconfig.nfs.NFS4_SUPPORT"), "no") end SCR.Write( path(".sysconfig.nfs.NFS_SECURITY_GSS"), @nfs_gss_enabled ? "yes" : "no" ) progress_orig = Progress.set(false) SuSEFirewall.WriteOnly Progress.set(progress_orig) true end |