Migrate enki from osbuilder
Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>
This commit is contained in:
Dimitris Karakasilis
124
pkg/constants/constants.go
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124
pkg/constants/constants.go
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package constants
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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const (
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GrubDefEntry = "Kairos"
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EfiLabel = "COS_GRUB"
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ISOLabel = "COS_LIVE"
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MountBinary = "/usr/bin/mount"
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EfiFs = "vfat"
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IsoRootFile = "rootfs.squashfs"
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IsoEFIPath = "/boot/uefi.img"
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BuildImgName = "elemental"
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EfiBootPath = "/EFI/BOOT"
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GrubEfiImagex86 = "/usr/share/grub2/x86_64-efi/grub.efi"
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GrubEfiImageArm64 = "/usr/share/grub2/arm64-efi/grub.efi"
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GrubEfiImagex86Dest = EfiBootPath + "/bootx64.efi"
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GrubEfiImageArm64Dest = EfiBootPath + "/bootaa64.efi"
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GrubCfg = "grub.cfg"
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GrubPrefixDir = "/boot/grub2"
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GrubEfiCfg = "search --no-floppy --file --set=root " + IsoKernelPath +
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"\nset prefix=($root)" + GrubPrefixDir +
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"\nconfigfile $prefix/" + GrubCfg
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GrubFont = "/usr/share/grub2/unicode.pf2"
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GrubBootHybridImg = "/usr/share/grub2/i386-pc/boot_hybrid.img"
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SyslinuxFiles = "/usr/share/syslinux/isolinux.bin " +
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"/usr/share/syslinux/menu.c32 " +
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"/usr/share/syslinux/chain.c32 " +
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"/usr/share/syslinux/mboot.c32"
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IsoLoaderPath = "/boot/x86_64/loader"
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GrubCfgTemplate = `search --no-floppy --file --set=root /boot/kernel
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set default=0
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set timeout=10
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set timeout_style=menu
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set linux=linux
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set initrd=initrd
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if [ "${grub_cpu}" = "x86_64" -o "${grub_cpu}" = "i386" -o "${grub_cpu}" = "arm64" ];then
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if [ "${grub_platform}" = "efi" ]; then
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if [ "${grub_cpu}" != "arm64" ]; then
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set linux=linuxefi
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set initrd=initrdefi
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fi
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fi
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fi
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if [ "${grub_platform}" = "efi" ]; then
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echo "Please press 't' to show the boot menu on this console"
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fi
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set font=($root)/boot/${grub_cpu}/loader/grub2/fonts/unicode.pf2
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if [ -f ${font} ];then
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loadfont ${font}
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fi
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menuentry "%s" --class os --unrestricted {
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echo Loading kernel...
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$linux ($root)/boot/kernel cdroot root=live:CDLABEL=%s rd.live.dir=/ rd.live.squashimg=rootfs.squashfs rd.live.overlay.overlayfs console=tty1 console=ttyS0 rd.cos.disable
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echo Loading initrd...
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$initrd ($root)/boot/initrd
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}
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if [ "${grub_platform}" = "efi" ]; then
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hiddenentry "Text mode" --hotkey "t" {
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set textmode=true
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terminal_output console
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}
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fi`
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GrubBiosTarget = "i386-pc"
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GrubI386BinDir = "/usr/share/grub2/i386-pc"
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GrubBiosImg = GrubI386BinDir + "/core.img"
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GrubBiosCDBoot = GrubI386BinDir + "/cdboot.img"
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GrubEltoritoImg = GrubI386BinDir + "/eltorito.img"
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//TODO this list could be optimized
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GrubModules = "ext2 iso9660 linux echo configfile search_label search_fs_file search search_fs_uuid " +
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"ls normal gzio png fat gettext font minicmd gfxterm gfxmenu all_video xfs btrfs lvm luks " +
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"gcry_rijndael gcry_sha256 gcry_sha512 crypto cryptodisk test true loadenv part_gpt " +
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"part_msdos biosdisk vga vbe chain boot"
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IsoHybridMBR = "/boot/x86_64/loader/boot_hybrid.img"
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IsoBootCatalog = "/boot/x86_64/boot.catalog"
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IsoBootFile = "/boot/x86_64/loader/eltorito.img"
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// These paths are arbitrary but coupled to grub.cfg
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IsoKernelPath = "/boot/kernel"
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IsoInitrdPath = "/boot/initrd"
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// Default directory and file fileModes
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DirPerm = os.ModeDir | os.ModePerm
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FilePerm = 0666
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NoWriteDirPerm = 0555 | os.ModeDir
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TempDirPerm = os.ModePerm | os.ModeSticky | os.ModeDir
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ArchAmd64 = "amd64"
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Archx86 = "x86_64"
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ArchArm64 = "arm64"
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)
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// GetDefaultSquashfsOptions returns the default options to use when creating a squashfs
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func GetDefaultSquashfsOptions() []string {
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return []string{"-b", "1024k"}
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}
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func GetXorrisoBooloaderArgs(root string) []string {
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args := []string{
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"-boot_image", "grub", fmt.Sprintf("bin_path=%s", IsoBootFile),
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"-boot_image", "grub", fmt.Sprintf("grub2_mbr=%s/%s", root, IsoHybridMBR),
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"-boot_image", "grub", "grub2_boot_info=on",
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"-boot_image", "any", "partition_offset=16",
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"-boot_image", "any", fmt.Sprintf("cat_path=%s", IsoBootCatalog),
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"-boot_image", "any", "cat_hidden=on",
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"-boot_image", "any", "boot_info_table=on",
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"-boot_image", "any", "platform_id=0x00",
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"-boot_image", "any", "emul_type=no_emulation",
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"-boot_image", "any", "load_size=2048",
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"-append_partition", "2", "0xef", filepath.Join(root, IsoEFIPath),
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"-boot_image", "any", "next",
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"-boot_image", "any", "efi_path=--interval:appended_partition_2:all::",
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"-boot_image", "any", "platform_id=0xef",
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"-boot_image", "any", "emul_type=no_emulation",
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}
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return args
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}
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