Class: Yast::NfsClass
- Inherits:
-
Module
- Object
- Module
- Yast::NfsClass
- Includes:
- Logger
- Defined in:
- ../../src/modules/Nfs.rb
Overview
NFS client configuration data, I/O functions.
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) 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 649 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 260 def EscapeSpaces(entries) entries = deep_copy(entries) Builtins.maplist(entries) do |entry| Builtins.mapmap(entry) do |key, value| { key => if Ops.is_string?(value) EscapeSpaces1(Convert.to_string(value)) else value end } end end end |
- (Object) EscapeSpaces1(s)
Escape spaces “ ” -> “040”.
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# File '../../src/modules/Nfs.rb', line 252 def EscapeSpaces1(s) return nil if s.nil? s.gsub(/ /) { "\\040" } # block prevents interpreting \ as backreference end |
- (Object) Export
Dump the NFS settings to a map, for autoinstallation use.
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# File '../../src/modules/Nfs.rb', line 226 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 157 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 302 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 68 def GetModified # rubocop:disable Style/TrivialAccessors @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 123 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 113 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 96 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) 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 219 def Import(settings) settings = deep_copy(settings) ImportAny(settings) end |
- (Object) ImportAny(settings)
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# File '../../src/modules/Nfs.rb', line 169 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) } 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 @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 12 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.import "Message" 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 531 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 unless Service.active?(portmapper) unless Service.Start(portmapper) 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", .to_s == "" ? "" : "-o #{}", "-t #{type.to_s == "" ? "nfs" : type}", 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 684 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 656 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 313 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 80 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 72 def ReadNfs4 SCR.Read(path(".sysconfig.nfs.NFS4_SUPPORT")) == "yes" end |
- (Object) ReadNfsGss
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# File '../../src/modules/Nfs.rb', line 76 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 60 def SetModified @modified = true nil end |
- (Object) Summary
Summary()
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# File '../../src/modules/Nfs.rb', line 506 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 287 def UnescapeSpaces(entries) entries = deep_copy(entries) Builtins.maplist(entries) do |entry| Builtins.mapmap(entry) do |key, value| { key => if Ops.is_string?(value) UnescapeSpaces1(Convert.to_string(value)) else value end } end end end |
- (Object) UnescapeSpaces1(s)
Un-escape spaces “040” -> “ ”
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# File '../../src/modules/Nfs.rb', line 278 def UnescapeSpaces1(s) return nil if s.nil? # escaped space, \040, is /\\040/ s.gsub(/\\040/, " ") end |
- (Boolean) Unmount(mpoint)
Unmount NFS directory from the system
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# File '../../src/modules/Nfs.rb', line 607 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 84 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 443 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) # portmap must not be started if it is running already (see bug # 9999) Service.Start(@portmapper) unless Service.active?(@portmapper) unless Service.active?(@portmapper) Report.Error(Message.CannotStartService(@portmapper)) return false end Service.Start("nfs") unless Service.active?("nfs") # 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 373 def WriteOnly # Merge with non-nfs entries from fstab: fstab = SCR.Read(path(".etc.fstab")) # unescape deferred for optimization fstab.delete_if { |entry| ["nfs", "nfs4"].include?(entry["vfstype"]) } fstab = UnescapeSpaces(fstab) @nfs_entries.each do |entry| fstab << entry.merge("freq" => 0, "passno" => 0) # create mount points file = entry["file"] || "" next if SCR.Execute(path(".target.mkdir"), file) # error popup message Report.Warning( Builtins.sformat(_("Unable to create directory '%1'."), file) ) end log.debug("fstab before ordering: #{fstab}") fstab = Fstab::TSort.sort(fstab) log.info("fstab: #{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 !@nfs_entries.empty? Service.Enable(@portmapper) Service.Enable("nfs") 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 |