Class: Yast::SpaceCalculationClass
- Inherits:
-
Module
- Object
- Module
- Yast::SpaceCalculationClass
- Defined in:
- ../../src/modules/SpaceCalculation.rb
Instance Method Summary (collapse)
-
- (Object) CheckCurrentSpace(current_partitions)
get current space data for partitions current_partitions = list of maps of $[“format”:bool, “free”:integer, “name” : string, “used” :integer, “used_fs”: symbol] from Storage module returns list of maps of $[“name” : string, “free” : integer, “used” : integer ].
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- (Array) CheckDiskFreeSpace(free_percent, max_unsufficient_free_size)
Check, if there is enough free space after installing the current selection.
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- (Object) CheckDiskSize
Check, if the current selection fits on the disk return true or false.
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- (Object) DefaultExtJournalSize(part)
return default ext3/4 journal size (in B) for target partition size.
- - (Object) DefaultJfsJournalSize(part_size)
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- (Object) EstimateFsOverhead(part)
return estimated fs overhead (the difference between partition size and reported fs blocks).
- - (Object) EstimateTargetUsage(parts)
-
- (Array) EvaluateFreeSpace(spare_percentage)
Evaluate the free space on the file system.
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- (Object) ExtFs(fs)
is the filesystem one of Ext2/3/4?.
- - (Object) ExtJournalSize(part)
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- (Object) get_partition_info
Define a macro that transforms information about all partitions ( from Storage::GetTargetMap() ) into a list(map) with information about partitions which are available for installation, e.g.:.
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- (Object) GetDirMountPoint(target, partition)
Get mountpoint for a directory.
- - (Object) GetFailedMounts
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- (Object) GetPartitionInfo
Get information about available partitions either from “targetMap” in case of a new installation or from 'df' command (continue mode and installation on installed system).
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- (Object) GetPartitionList
Return partition info list.
- - (Object) GetPartitionWarning
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- (Object) GetRequSpace(initialize)
Calculate required disk space.
- - (Object) JfsJournalSize(part)
- - (Object) main
- - (Object) ReiserJournalSize(part)
-
- (Object) ReservedSpace(part)
return reserved space for root user (in bytes).
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- (Object) ShowPartitionWarning
Popup displays warning about exhausted disk space.
- - (Object) XfsJournalSize(part)
Instance Method Details
- (Object) CheckCurrentSpace(current_partitions)
get current space data for partitions current_partitions = list of maps of $["format":bool, "free":integer, "name" : string, "used" :integer, "used_fs": symbol] from Storage module returns list of maps of $["name" : string, "free" : integer, "used" : integer ]
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# File '../../src/modules/SpaceCalculation.rb', line 879 def CheckCurrentSpace(current_partitions) current_partitions = deep_copy(current_partitions) output = [] Builtins.foreach(current_partitions) do |par| outdata = {} Ops.set(outdata, "name", Ops.get_string(par, "name", "")) Ops.set( outdata, "used", Pkg.TargetUsed( Ops.add(Installation.destdir, Ops.get_string(par, "name", "")) ) ) Ops.set( outdata, "free", Ops.subtract( Pkg.TargetCapacity( Ops.add(Installation.destdir, Ops.get_string(par, "name", "")) ), Ops.get_integer(outdata, "used", 0) ) ) output = Builtins.add(output, Builtins.eval(outdata)) end Builtins.y2milestone( "CheckCurrentSpace(%1) = %2", current_partitions, output ) deep_copy(output) end |
- (Array) CheckDiskFreeSpace(free_percent, max_unsufficient_free_size)
Check, if there is enough free space after installing the current selection
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# File '../../src/modules/SpaceCalculation.rb', line 1046 def CheckDiskFreeSpace(free_percent, max_unsufficient_free_size) GetPartitionInfo() if !@info_called Builtins.y2milestone( "min. free space: %1%%, max. unsufficient free space: %2", free_percent, max_unsufficient_free_size ) ret = [] if Ops.greater_than(free_percent, 0) #$[ "dir" : [ total, usednow, usedfuture ], .... ] Builtins.foreach(Pkg.TargetGetDU) do |dir, sizelist| Builtins.y2milestone("Disk usage of directory %1: %2", dir, sizelist) total = Ops.get_integer(sizelist, 0, 0) used_future = Ops.get_integer(sizelist, 2, 0) used_now = Ops.get_integer(sizelist, 1, 0) current_free_size = Ops.subtract(total, used_future) current_free_percent = Ops.divide( Ops.multiply(current_free_size, 100), total ) # ignore the partitions which were already full and no files will be installed there (bnc#259493) if Ops.greater_than(used_future, used_now) && Ops.greater_than(current_free_size, 0) if Ops.less_than(current_free_percent, free_percent) && Ops.less_than(current_free_size, max_unsufficient_free_size) Builtins.y2warning( "Partition %1: less than %2%% free space (%3%%, %4)", dir, free_percent, current_free_percent, current_free_size ) ret = Builtins.add( ret, { "dir" => dir, "free_percent" => current_free_percent, "free_size" => current_free_size } ) end end end end Builtins.y2milestone("Result: %1", ret) deep_copy(ret) end |
- (Object) CheckDiskSize
Check, if the current selection fits on the disk return true or false
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# File '../../src/modules/SpaceCalculation.rb', line 1011 def CheckDiskSize fit = true GetPartitionInfo() if !@info_called used = 0 = "" #$[ "dir" : [ total, usednow, usedfuture ], .... ] Builtins.foreach(Pkg.TargetGetDU) do |dir, sizelist| Builtins.y2milestone("%1: %2", dir, sizelist) needed = Ops.subtract( Ops.get_integer(sizelist, 2, 0), Ops.get_integer(sizelist, 0, 0) ) # usedfuture - total if Ops.greater_than(needed, 0) Builtins.y2warning( "Partition \"%1\" needs %2 more disk space.", # size is in kB dir, String.FormatSize(Ops.multiply(needed, 1024)) ) fit = false end used = Ops.add(used, Ops.get_integer(sizelist, 2, 0)) end Builtins.y2milestone("Total used space (kB): %1, fits ?: %2", used, fit) fit end |
- (Object) DefaultExtJournalSize(part)
return default ext3/4 journal size (in B) for target partition size
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# File '../../src/modules/SpaceCalculation.rb', line 217 def DefaultExtJournalSize(part) part = deep_copy(part) if Ops.get_symbol(part, "used_fs", :unknown) == :ext2 Builtins.y2milestone("No journal on ext2") return 0 end ret = 0 part_size = Ops.multiply(1024, Ops.get_integer(part, "size_k", 0)) # default block size is 4k bs = Builtins.tointeger( Ops.get_string( part, ["fs_options", "opt_blocksize", "option_value"], "4096" ) ) blocks = Ops.divide(part_size, bs) Builtins.y2milestone( "Partition %1: %2 blocks (block size: %3)", Ops.get_string(part, "name", ""), blocks, bs ) # values extracted from ext2fs_default_journal_size() function in e2fsprogs sources if Ops.less_than(blocks, 2048) ret = 0 elsif Ops.less_than(blocks, 32768) ret = 1024 elsif Ops.less_than(blocks, 256 * 1024) ret = 4096 elsif Ops.less_than(blocks, 512 * 1024) ret = 8192 elsif Ops.less_than(blocks, 1024 * 1024) ret = 16384 else # maximum journal size ret = 32768 end # converts blocks to bytes ret = Ops.multiply(ret, bs) Builtins.y2milestone("Default journal size: %1kB", Ops.divide(ret, 1024)) ret end |
- (Object) DefaultJfsJournalSize(part_size)
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# File '../../src/modules/SpaceCalculation.rb', line 344 def DefaultJfsJournalSize(part_size) # the default is 0.4% rounded to megabytes, 128MB max. ret = Ops.shift_right(part_size, 8) # 0.4% ~= 1/256 max = 128 * (1 << 20) # 128 MB ret = Ops.shift_left( Ops.shift_right(Ops.subtract(Ops.add(ret, 1 << 20), 1), 20), 20 ) ret = max if Ops.greater_than(ret, max) Builtins.y2milestone( "Default JFS journal size: %1MB", Ops.shift_right(ret, 20) ) ret end |
- (Object) EstimateFsOverhead(part)
return estimated fs overhead (the difference between partition size and reported fs blocks)
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# File '../../src/modules/SpaceCalculation.rb', line 473 def EstimateFsOverhead(part) part = deep_copy(part) fs_size = Ops.multiply(1024, Ops.get_integer(part, "size_k", 0)) fs = Ops.get_symbol(part, "used_fs", :unknown) ret = 0 if ExtFs(fs) # ext2/3/4 overhead is about 1.6% according to my test (8GB partition) ret = Ops.divide(Ops.multiply(fs_size, 16), 1000) Builtins.y2milestone("Estimated Ext2/3/4 overhead: %1kB", ret) elsif fs == :xfs # xfs overhead is about 0.1% ret = Ops.divide(fs_size, 1000) Builtins.y2milestone("Estimated XFS overhead: %1kB", ret) elsif fs == :jfs # jfs overhead is about 0.3% ret = Ops.divide(Ops.multiply(fs_size, 3), 1000) Builtins.y2milestone("Estimated JFS overhead: %1kB", ret) end # reiser and btrfs have negligible overhead, just ignore it ret end |
- (Object) EstimateTargetUsage(parts)
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# File '../../src/modules/SpaceCalculation.rb', line 392 def EstimateTargetUsage(parts) parts = deep_copy(parts) Builtins.y2milestone("EstimateTargetUsage(%1)", parts) mb = 1 << 10 # sizes are in kB, 1MB is 1024 kB # invalid or empty input if parts == nil || Builtins.size(parts) == 0 Builtins.y2error("Invalid input: %1", parts) return [] end # the numbers are from openSUSE-11.4 default KDE installation used_mapping = { "/var/lib/rpm" => Ops.multiply(42, mb), # RPM database "/var/log" => Ops.multiply(14, mb), # system logs (YaST logs have ~12MB) "/var/adm/backup" => Ops.multiply(10, mb), # backups "/var/cache/zypp" => Ops.multiply(38, mb), # zypp metadata cache after refresh (with OSS + update repos) "/etc" => Ops.multiply(2, mb), # various /etc config files not belonging to any package "/usr/share" => Ops.multiply(1, mb), # some files created by postinstall scripts "/boot/initrd" => Ops.multiply(11, mb) } # depends on HW but better than nothing Builtins.y2milestone("Adding target size mapping: %1", used_mapping) mount_points = [] # convert list to map indexed by mount point mounts = Builtins.listmap(parts) do |part| mount_points = Builtins.add( mount_points, Ops.get_string(part, "name", "") ) { Ops.get_string(part, "name", "") => part } end Builtins.foreach(used_mapping) do |dir, used| mounted = String.FindMountPoint(dir, mount_points) Builtins.y2milestone("Dir %1 is mounted on %2", dir, mounted) part = Ops.get(mounts, mounted, {}) if part != {} curr_used = Ops.get_integer(part, "used", 0) Builtins.y2milestone( "Adding %1kB to %2kB currently used", used, curr_used ) curr_used = Ops.add(curr_used, used) Ops.set(part, "used", curr_used) Ops.set( part, "free", Ops.subtract(Ops.get_integer(part, "free", 0), used) ) Ops.set(mounts, mounted, part) else Builtins.y2warning( "Cannot find partition for mount point %1, ignoring it", mounted ) end end # convert back to list ret = Builtins.maplist(mounts) { |dir, part| part } Builtins.y2milestone("EstimateTargetUsage() result: %1", ret) deep_copy(ret) end |
- (Array) EvaluateFreeSpace(spare_percentage)
Evaluate the free space on the file system. Runs the command “df” and creates a map containig information about used and free space on every partition. Free space is calculated respecting the spare_percentage given in second argument.
* This is needed during update !
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# File '../../src/modules/SpaceCalculation.rb', line 85 def EvaluateFreeSpace(spare_percentage) partition = [] # the sizes are in kB min_spare = 10 * 1024 # 10 MB max_spare = 1024 * 1024 # 1 GB target = Installation.destdir # get information about diskspace ( used/free space on every partition ) partition = Convert.convert( SCR.Read(path(".run.df")), :from => "any", :to => "list <map <string, string>>" ) # filter out headline and other invalid entries partition = Builtins.filter(partition) do |part| Builtins.substring(Ops.get(part, "name", ""), 0, 1) == "/" end if Installation.dirinstall_installing_into_dir target = GetDirMountPoint(Installation.dirinstall_target, partition) Builtins.y2milestone( "Installing into a directory, target directory: %1, target mount point: %2", Installation.dirinstall_target, target ) end part_input = [] Builtins.foreach(partition) do |part| part_info = {} free_size = 0 spare_size = 0 partName = "" add_part = true mountName = Ops.get_string(part, "name", "") spec = Ops.get_string(part, "spec", "") if Installation.dirinstall_installing_into_dir if Builtins.substring(mountName, 0, 1) != "/" mountName = Ops.add("/", mountName) end dir_target = Installation.dirinstall_target Builtins.y2debug( "mountName: %1, dir_target: %2", mountName, dir_target ) if Ops.greater_than( Builtins.size(mountName), Builtins.size(dir_target) ) && Builtins.substring(mountName, 0, Builtins.size(dir_target)) == dir_target part_info = Builtins.add(part_info, "name", mountName) elsif mountName == target part_info = Builtins.add(part_info, "name", "/") else add_part = false end elsif target != "/" if Ops.greater_or_equal( Builtins.size(mountName), Builtins.size(target) ) && Builtins.substring(mountName, 0, Builtins.size(target)) == target partName = Builtins.substring(mountName, Builtins.size(target)) # nothing left, it was target root itself if Builtins.size(partName) == 0 part_info = Builtins.add(part_info, "name", "/") else part_info = Builtins.add(part_info, "name", partName) end else add_part = false end # target is "/" else if mountName == "/" part_info = Builtins.add(part_info, "name", mountName) # ignore some mount points elsif mountName != Installation.sourcedir && mountName != "/cdrom" && mountName != "/dev/shm" && spec != "udev" && !Builtins.regexpmatch(mountName, "^/media/") && !Builtins.regexpmatch(mountName, "^var/adm/mount/") part_info = Builtins.add(part_info, "name", mountName) else add_part = false end end if add_part part_info = Builtins.add( part_info, "used", Builtins.tointeger(Ops.get_string(part, "used", "0")) ) free_size = Builtins.tointeger(Ops.get_string(part, "free", "0")) spare_size = Ops.divide( Ops.multiply(free_size, spare_percentage), 100 ) if Ops.less_than(spare_size, min_spare) spare_size = min_spare elsif Ops.greater_than(spare_size, max_spare) spare_size = max_spare end free_size = Ops.subtract(free_size, spare_size) free_size = 0 if Ops.less_than(free_size, 0) # don't add a negative size part_info = Builtins.add(part_info, "free", free_size) part_input = Builtins.add(part_input, part_info) end end Builtins.y2milestone( "UTILS *** EvaluateFreeSpace returns: %1", part_input ) Pkg.TargetInitDU(part_input) deep_copy(part_input) end |
- (Object) ExtFs(fs)
is the filesystem one of Ext2/3/4?
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# File '../../src/modules/SpaceCalculation.rb', line 467 def ExtFs(fs) fs == :ext2 || fs == :ext3 || fs == :ext4 end |
- (Object) ExtJournalSize(part)
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# File '../../src/modules/SpaceCalculation.rb', line 269 def ExtJournalSize(part) part = deep_copy(part) if Ops.get_symbol(part, "used_fs", :unknown) == :ext2 Builtins.y2milestone("No journal on ext2") return 0 end ret = 0 # no journal if Builtins.haskey(Ops.get_map(part, "fs_options", {}), "no_journal") Builtins.y2milestone( "Partition %1 has disabled journal", Ops.get_string(part, "name", "") ) else Builtins.y2milestone( "Using default journal size for %1", Ops.get_string(part, "name", "") ) ret = DefaultExtJournalSize(part) end # Note: custom journal size cannot be entered in the partitioner Builtins.y2milestone( "Journal size for %1: %2kB", Ops.get_string(part, "name", ""), Ops.divide(ret, 1024) ) ret end |
- (Object) get_partition_info
Define a macro that transforms information about all partitions ( from Storage::GetTargetMap() ) into a list(map) with information about partitions which are available for installation, e.g.:
[$[“free”:1625676, “name”:“/boot”, “used”:0], $[“free”:2210406, “name”:“/”, “used”:0]]
Please note: there isn't any information about used space, so “used” at begin of installation is initialized with zero; size "free", "used" in KBytes
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# File '../../src/modules/SpaceCalculation.rb', line 551 def get_partition_info # remove leading slash so it matches the packages.DU path remove_slash = true if !Stage.initial # read /proc/mounts as a list of maps # $["file":"/boot", "freq":0, "mntops":"rw", "passno":0, "spec":"/dev/sda1", "vfstype":"ext2"] mounts = Convert.convert( SCR.Read(path(".proc.mounts")), :from => "any", :to => "list <map <string, any>>" ) Builtins.y2milestone("mounts %1", mounts) partitions = [] Builtins.foreach(mounts) do |mpoint| name = Ops.get_string(mpoint, "file", "") if Builtins.substring(name, 0, 1) == "/" && Builtins.substring(name, 0, 5) != "/dev/" && # filter out /dev/pts etc. Ops.get_string(mpoint, "vfstype", "") != "rootfs" # filter out duplicate "/" entry capacity = Pkg.TargetCapacity(name) if capacity != 0 # dont look at pseudo-devices (proc, shmfs, ...) used = Pkg.TargetUsed(name) partitions = Builtins.add( partitions, { "name" => name, "free" => Ops.subtract(capacity, used), "used" => used } ) end end end Pkg.TargetInitDU(partitions) Builtins.y2milestone("get_partition_info: %1", partitions) return deep_copy(partitions) end # !Stage::initial () # remove the previous failures @failed_mounts = [] # installation stage - Storage:: is definitely present # call Storage::GetTargetMap() targets = Convert.convert( WFM.call("wrapper_storage", ["GetTargetMap"]), :from => "any", :to => "map <string, map>" ) if targets == nil Builtins.y2error("Target map is nil, Storage:: is probably missing") end if Mode.test targets = Convert.convert( SCR.Read(path(".target.yast2"), "test_target_map.ycp"), :from => "any", :to => "map <string, map>" ) end target_partitions = [] min_spare = 20 * 1024 * 1024 # minimum free space ( 20 MB ) Builtins.foreach(targets) do |disk, diskinfo| part_info = Ops.get_list(diskinfo, "partitions", []) Builtins.foreach(part_info) do |part| Builtins.y2milestone("Adding partition: %1", part) used_fs = Ops.get_symbol(part, "used_fs", :unknown) # ignore VFAT and NTFS partitions (bnc#) if used_fs == :vfat || used_fs == :ntfs Builtins.y2warning( "Ignoring partition %1 with %2 filesystem", Ops.get_string(part, "device", ""), used_fs ) else free_size = 0 if Ops.get(part, "mount") != nil && Builtins.substring(Ops.get_string(part, "mount", ""), 0, 1) == "/" if Ops.get(part, "create") == true || Ops.get(part, "delete") == false || Ops.get(part, "create") == nil && Ops.get(part, "delete") == nil Builtins.y2debug( "get_partition_info: adding partition: %1", part ) # get free_size on partition in kBytes free_size = Ops.multiply( Ops.get_integer(part, "size_k", 0), 1024 ) free_size = Ops.subtract(free_size, min_spare) # free_size smaller than min_spare, fix negative value if Ops.less_than(free_size, 0) Builtins.y2milestone("Fixing free size: %1 to 0", free_size) free_size = 0 end used = 0 if !(Ops.get_boolean(part, "create", false) || Ops.get_boolean(part, "format", false)) tmpdir = Convert.to_string(SCR.Read(path(".target.tmpdir"))) tmpdir = Ops.add(tmpdir, "/diskspace_mount") SCR.Execute( path(".target.bash"), Builtins.sformat("test -d %1 || mkdir -p %1", tmpdir) ) # mount in read-only mode (safer) = ["ro"] # add "nolock" if it's a NFS share (bnc#433893) if used_fs == :nfs Builtins.y2milestone("Mounting NFS with 'nolock' option") = Builtins.add(, "nolock") end # join the options = Builtins.mergestring(, ",") mount_command = Builtins.sformat( "/bin/mount -o %1 %2 %3", , Ops.get_string(part, "device", ""), tmpdir ) Builtins.y2milestone( "Executing mount command: %1", mount_command ) result = Convert.to_integer( SCR.Execute(path(".target.bash"), mount_command) ) Builtins.y2milestone("Mount result: %1", result) if result == 0 partition = Convert.convert( SCR.Read(path(".run.df")), :from => "any", :to => "list <map <string, string>>" ) Builtins.foreach(partition) do |p| if Ops.get_string(p, "name", "") == tmpdir Builtins.y2internal("P: %1", p) free_size = Ops.multiply( Builtins.tointeger(Ops.get_string(p, "free", "0")), 1024 ) used = Ops.multiply( Builtins.tointeger(Ops.get_string(p, "used", "0")), 1024 ) end end SCR.Execute( path(".target.bash"), Builtins.sformat("/bin/umount %1", tmpdir) ) else Builtins.y2error( "Mount failed, ignoring partition %1", Ops.get_string(part, "device", "") ) @failed_mounts = Builtins.add(@failed_mounts, part) next end else # for formatted partitions estimate free system size # compute fs overhead used = EstimateFsOverhead(part) if Ops.greater_than(used, 0) Builtins.y2milestone( "Partition %1: assuming fs overhead: %2kB", Ops.get_string(part, "device", ""), Ops.divide(used, 1024) ) end # journal size js = 0 if ExtFs(used_fs) js = ExtJournalSize(part) reserved = ReservedSpace(part) if Ops.greater_than(reserved, 0) used = Ops.add(used, reserved) end elsif used_fs == :xfs js = XfsJournalSize(part) elsif used_fs == :reiser js = ReiserJournalSize(part) elsif used_fs == :jfs js = JfsJournalSize(part) else Builtins.y2warning( "Unknown journal size for filesystem: %1", used_fs ) end if Ops.greater_than(js, 0) Builtins.y2milestone( "Partition %1: assuming journal size: %2kB", Ops.get_string(part, "device", ""), Ops.divide(js, 1024) ) used = Ops.add(used, js) end # decrease free size free_size = Ops.subtract(free_size, used) # check for underflow if Ops.less_than(free_size, 0) Builtins.y2milestone("Fixing free size: %1 to 0", free_size) free_size = 0 end end # convert into kB for TargetInitDU free_size = Ops.divide(free_size, 1024) used = Ops.divide(used, 1024) Builtins.y2milestone( "available partition: mount: %1, free: %2 KB, used: %3 KB", Ops.get_string(part, "mount", ""), free_size, used ) if !remove_slash target_partitions = Builtins.add( target_partitions, { "name" => Ops.get_string(part, "mount", ""), "used" => used, "free" => free_size } ) else part_name = "" mount_name = Ops.get_string(part, "mount", "") if mount_name != "/" part_name = Builtins.substring( mount_name, 1, Builtins.size(mount_name) ) else part_name = mount_name end target_partitions = Builtins.add( target_partitions, { "name" => part_name, "used" => used, "free" => free_size } ) end end end end end # foreach (`part) end # foreach (`disk) # add estimated size occupied by non-package files target_partitions = EstimateTargetUsage(target_partitions) Builtins.y2milestone("get_partition_info: part %1", target_partitions) Pkg.TargetInitDU(target_partitions) deep_copy(target_partitions) end |
- (Object) GetDirMountPoint(target, partition)
Get mountpoint for a directory
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# File '../../src/modules/SpaceCalculation.rb', line 51 def GetDirMountPoint(target, partition) partition = deep_copy(partition) d = Builtins.splitstring(target, "/") d = Builtins.filter(d) { |fd| fd != "" } mountpoint = "" Builtins.foreach(partition) do |part| # dirinstall: /test/xen dir: /test # dirinstall:/var/tmp/xen dir: / dir = Ops.get_string(part, "name", "") tmpdir = "" Builtins.foreach(d) do |dd| tmpdir = Builtins.sformat("%1/%2", tmpdir, dd) Builtins.y2debug("tmpdir: %1 dir: %2", tmpdir, dir) mountpoint = dir if dir == tmpdir end end mountpoint = "/" if mountpoint == "" mountpoint end |
- (Object) GetFailedMounts
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# File '../../src/modules/SpaceCalculation.rb', line 43 def GetFailedMounts deep_copy(@failed_mounts) end |
- (Object) GetPartitionInfo
Get information about available partitions either from “targetMap” in case of a new installation or from 'df' command (continue mode and installation on installed system). Returns a list containing available partitions and stores the list in "partition_info".
Will be called from Packages when re-doing proposal !!
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# File '../../src/modules/SpaceCalculation.rb', line 847 def GetPartitionInfo partition = [] if Stage.cont partition = EvaluateFreeSpace(0) # free spare already checked during first part of installation elsif Mode.update partition = EvaluateFreeSpace(15) # 15% free spare for update/upgrade elsif Mode.normal partition = EvaluateFreeSpace(5) # 5% free spare for post installation # Stage::initial () else partition = get_partition_info end Builtins.y2milestone( "INIT done, SpaceCalculation - partitions: %1", partition ) @info_called = true @partition_info = deep_copy(partition) # store partition_info deep_copy(partition) end |
- (Object) GetPartitionList
Return partition info list
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# File '../../src/modules/SpaceCalculation.rb', line 39 def GetPartitionList deep_copy(@partition_info) end |
- (Object) GetPartitionWarning
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# File '../../src/modules/SpaceCalculation.rb', line 914 def GetPartitionWarning GetPartitionInfo() if !@info_called used = 0 = [] #$[ "dir" : [ total, usednow, usedfuture ], .... ] Builtins.foreach(Pkg.TargetGetDU) do |dir, sizelist| Builtins.y2milestone( "dir %1, sizelist (total, current, future) %2", dir, sizelist ) needed = Ops.subtract( Ops.get_integer(sizelist, 2, 0), Ops.get_integer(sizelist, 0, 0) ) # usedfuture - total if Ops.greater_than(needed, 0) # Warning message, e.g.: Partition /usr needs 35 MB more disk space = Builtins.add( , Builtins.sformat( _("Partition \"%1\" needs %2 more disk space."), # needed is in kB dir, String.FormatSize(Ops.multiply(needed, 1024)) ) ) end used = Ops.add(used, Ops.get_integer(sizelist, 2, 0)) end Builtins.y2debug("Total used space (kB): %1", used) if Ops.greater_than(Builtins.size(), 0) # dont ask user to deselect packages for imap server, product if ProductFeatures.GetFeature("software", "selection_type") == :auto if Mode.update = Builtins.add( , "\n" + # popup message _( "Deselect packages or delete data or temporary files\nbefore updating the system.\n" ) ) else = Builtins.add( , "\n" + # popup message _("Deselect some packages.") ) end end end deep_copy() end |
- (Object) GetRequSpace(initialize)
Calculate required disk space
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# File '../../src/modules/SpaceCalculation.rb', line 991 def GetRequSpace(initialize) GetPartitionInfo() if !@info_called # used space in kB used = 0 #$[ "dir" : [ total, usednow, usedfuture ], .... ] Builtins.foreach(Pkg.TargetGetDU) do |dir, sizelist| used = Ops.add(used, Ops.get_integer(sizelist, 2, 0)) end Builtins.y2milestone("GetReqSpace Pkg::TargetGetDU() %1", Pkg.TargetGetDU) # used is in kB String.FormatSize(Ops.multiply(used, 1024)) end |
- (Object) JfsJournalSize(part)
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# File '../../src/modules/SpaceCalculation.rb', line 364 def JfsJournalSize(part) part = deep_copy(part) # log size (in MB) log_size = Builtins.tointeger( Ops.get_string( part, ["fs_options", "opt_log_size", "option_value"], "0" ) ) if Ops.greater_than(log_size, 0) # convert to bytes log_size = Ops.multiply(log_size, 1 << 20) else log_size = DefaultJfsJournalSize( Ops.multiply(1024, Ops.get_integer(part, "size_k", 0)) ) end Builtins.y2milestone( "Jfs journal size: %1MB", Ops.shift_right(log_size, 20) ) log_size end |
- (Object) main
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# File '../../src/modules/SpaceCalculation.rb', line 19 def main Yast.import "Pkg" textdomain "packager" Yast.import "Installation" Yast.import "Mode" Yast.import "ProductFeatures" Yast.import "Report" Yast.import "String" Yast.import "Stage" @info_called = false # list partition_info already initialized? @partition_info = [] # information about available partitions @failed_mounts = [] end |
- (Object) ReiserJournalSize(part)
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# File '../../src/modules/SpaceCalculation.rb', line 331 def ReiserJournalSize(part) part = deep_copy(part) # the default is 8193 of 4k blocks (max = 32749, min = 513 blocks) ret = 8193 * 4096 Builtins.y2milestone( "Default Reiser journal size: %1kB", Ops.divide(ret, 1024) ) ret end |
- (Object) ReservedSpace(part)
return reserved space for root user (in bytes)
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# File '../../src/modules/SpaceCalculation.rb', line 499 def ReservedSpace(part) part = deep_copy(part) # read the percentage option = Ops.get_string( part, ["fs_options", "opt_reserved_blocks", "option_value"], "" ) ret = 0 if option != nil && option != "" percent = Builtins.tofloat(option) if Ops.greater_than(percent, 0.0) # convert to absolute value fs_size = Ops.get_integer(part, "size_k", 0) ret = Builtins.tointeger( Ops.multiply( Convert.convert( Ops.divide(fs_size, 100), :from => "integer", :to => "float" ), percent ) ) end end if Ops.greater_than(ret, 0) Builtins.y2milestone( "Partition %1: reserved space: %2%% (%3kB)", Ops.get_string(part, "name", ""), option, ret ) end Ops.multiply(ret, 1024) end |
- (Object) ShowPartitionWarning
Popup displays warning about exhausted disk space
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# File '../../src/modules/SpaceCalculation.rb', line 976 def ShowPartitionWarning = GetPartitionWarning() if Ops.greater_than(Builtins.size(), 0) Builtins.y2warning("Warning: %1", ) Report.Message(Builtins.mergestring(, "\n")) return true else return false end end |
- (Object) XfsJournalSize(part)
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# File '../../src/modules/SpaceCalculation.rb', line 301 def XfsJournalSize(part) part = deep_copy(part) part_size = Ops.multiply(1024, Ops.get_integer(part, "size_k", 0)) mb = 1 << 20 gb = 1 << 30 # the default log size to fs size ratio is 1:2048 # (the value is then adjusted according to many other fs parameters, # we take just the simple approach here, it should be sufficient) ret = Ops.divide(part_size, 2048) # check min and max limits min_log_size = Ops.multiply(10, mb) max_log_size = Ops.multiply(2, gb) if Ops.less_than(ret, min_log_size) ret = min_log_size elsif Ops.greater_than(ret, max_log_size) ret = max_log_size end Builtins.y2milestone( "Estimated journal size for XFS partition %1kB: %2kB", Ops.divide(part_size, 1024), Ops.divide(ret, 1024) ) ret end |