Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 1 | # The WICVARS variable is used to define list of bitbake variables used in wic code |
| 2 | # variables from this list is written to <image>.env file |
| 3 | WICVARS ?= "\ |
| 4 | BBLAYERS IMGDEPLOYDIR DEPLOY_DIR_IMAGE FAKEROOTCMD IMAGE_BASENAME IMAGE_BOOT_FILES \ |
| 5 | IMAGE_LINK_NAME IMAGE_ROOTFS INITRAMFS_FSTYPES INITRD INITRD_LIVE ISODIR RECIPE_SYSROOT_NATIVE \ |
Brad Bishop | d7bf8c1 | 2018-02-25 22:55:05 -0500 | [diff] [blame] | 6 | ROOTFS_SIZE STAGING_DATADIR STAGING_DIR STAGING_LIBDIR TARGET_SYS" |
Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 7 | |
| 8 | WKS_FILE ??= "${IMAGE_BASENAME}.${MACHINE}.wks" |
| 9 | WKS_FILES ?= "${WKS_FILE} ${IMAGE_BASENAME}.wks" |
| 10 | WKS_SEARCH_PATH ?= "${THISDIR}:${@':'.join('%s/wic' % p for p in '${BBPATH}'.split(':'))}:${@':'.join('%s/scripts/lib/wic/canned-wks' % l for l in '${BBPATH}:${COREBASE}'.split(':'))}" |
| 11 | WKS_FULL_PATH = "${@wks_search(d.getVar('WKS_FILES').split(), d.getVar('WKS_SEARCH_PATH')) or ''}" |
| 12 | |
| 13 | def wks_search(files, search_path): |
| 14 | for f in files: |
| 15 | if os.path.isabs(f): |
| 16 | if os.path.exists(f): |
| 17 | return f |
| 18 | else: |
| 19 | searched = bb.utils.which(search_path, f) |
| 20 | if searched: |
| 21 | return searched |
| 22 | |
| 23 | WIC_CREATE_EXTRA_ARGS ?= "" |
| 24 | |
| 25 | IMAGE_CMD_wic () { |
| 26 | out="${IMGDEPLOYDIR}/${IMAGE_NAME}" |
| 27 | wks="${WKS_FULL_PATH}" |
| 28 | if [ -z "$wks" ]; then |
| 29 | bbfatal "No kickstart files from WKS_FILES were found: ${WKS_FILES}. Please set WKS_FILE or WKS_FILES appropriately." |
| 30 | fi |
| 31 | |
| 32 | BUILDDIR="${TOPDIR}" wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$out/" ${WIC_CREATE_EXTRA_ARGS} |
| 33 | mv "$out/$(basename "${wks%.wks}")"*.direct "$out${IMAGE_NAME_SUFFIX}.wic" |
| 34 | rm -rf "$out/" |
| 35 | } |
| 36 | IMAGE_CMD_wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES TOPDIR" |
| 37 | |
| 38 | # Rebuild when the wks file or vars in WICVARS change |
| 39 | USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s' % c for c in '${CONVERSIONTYPES}'.split()), '1', '', d)}" |
| 40 | WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}" |
| 41 | do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}" |
Brad Bishop | d7bf8c1 | 2018-02-25 22:55:05 -0500 | [diff] [blame] | 42 | do_image_wic[depends] += "${@' '.join('%s-native:do_populate_sysroot' % r for r in ('parted', 'gptfdisk', 'dosfstools', 'mtools'))}" |
| 43 | |
| 44 | # We ensure all artfacts are deployed (e.g virtual/bootloader) |
| 45 | do_image_wic[recrdeptask] += "do_deploy" |
| 46 | |
| 47 | WKS_FILE_DEPENDS_DEFAULT = "syslinux-native bmap-tools-native cdrtools-native btrfs-tools-native squashfs-tools-native e2fsprogs-native" |
| 48 | WKS_FILE_DEPENDS_BOOTLOADERS = "" |
| 49 | WKS_FILE_DEPENDS_BOOTLOADERS_x86 = "syslinux grub-efi systemd-boot" |
| 50 | WKS_FILE_DEPENDS_BOOTLOADERS_x86-64 = "syslinux grub-efi systemd-boot" |
| 51 | WKS_FILE_DEPENDS_BOOTLOADERS_x86-x32 = "syslinux grub-efi" |
| 52 | |
| 53 | WKS_FILE_DEPENDS ??= "${WKS_FILE_DEPENDS_DEFAULT} ${WKS_FILE_DEPENDS_BOOTLOADERS}" |
| 54 | |
Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 55 | DEPENDS += "${@ '${WKS_FILE_DEPENDS}' if d.getVar('USING_WIC') else '' }" |
| 56 | |
| 57 | python do_write_wks_template () { |
| 58 | """Write out expanded template contents to WKS_FULL_PATH.""" |
| 59 | import re |
| 60 | |
| 61 | template_body = d.getVar('_WKS_TEMPLATE') |
| 62 | |
| 63 | # Remove any remnant variable references left behind by the expansion |
| 64 | # due to undefined variables |
| 65 | expand_var_regexp = re.compile(r"\${[^{}@\n\t :]+}") |
| 66 | while True: |
| 67 | new_body = re.sub(expand_var_regexp, '', template_body) |
| 68 | if new_body == template_body: |
| 69 | break |
| 70 | else: |
| 71 | template_body = new_body |
| 72 | |
| 73 | wks_file = d.getVar('WKS_FULL_PATH') |
| 74 | with open(wks_file, 'w') as f: |
| 75 | f.write(template_body) |
| 76 | } |
| 77 | |
| 78 | python () { |
| 79 | if d.getVar('USING_WIC'): |
| 80 | wks_file_u = d.getVar('WKS_FULL_PATH', False) |
| 81 | wks_file = d.expand(wks_file_u) |
| 82 | base, ext = os.path.splitext(wks_file) |
| 83 | if ext == '.in' and os.path.exists(wks_file): |
| 84 | wks_out_file = os.path.join(d.getVar('WORKDIR'), os.path.basename(base)) |
| 85 | d.setVar('WKS_FULL_PATH', wks_out_file) |
| 86 | d.setVar('WKS_TEMPLATE_PATH', wks_file_u) |
| 87 | d.setVar('WKS_FILE_CHECKSUM', '${WKS_TEMPLATE_PATH}:True') |
| 88 | |
| 89 | # We need to re-parse each time the file changes, and bitbake |
| 90 | # needs to be told about that explicitly. |
| 91 | bb.parse.mark_dependency(d, wks_file) |
| 92 | |
| 93 | try: |
| 94 | with open(wks_file, 'r') as f: |
| 95 | body = f.read() |
| 96 | except (IOError, OSError) as exc: |
| 97 | pass |
| 98 | else: |
| 99 | # Previously, I used expandWithRefs to get the dependency list |
| 100 | # and add it to WICVARS, but there's no point re-parsing the |
| 101 | # file in process_wks_template as well, so just put it in |
| 102 | # a variable and let the metadata deal with the deps. |
| 103 | d.setVar('_WKS_TEMPLATE', body) |
| 104 | bb.build.addtask('do_write_wks_template', 'do_image_wic', None, d) |
Brad Bishop | 316dfdd | 2018-06-25 12:45:53 -0400 | [diff] [blame] | 105 | bb.build.addtask('do_image_wic', 'do_image_complete', None, d) |
Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | # |
| 109 | # Write environment variables used by wic |
| 110 | # to tmp/sysroots/<machine>/imgdata/<image>.env |
| 111 | # |
| 112 | python do_rootfs_wicenv () { |
| 113 | wicvars = d.getVar('WICVARS') |
| 114 | if not wicvars: |
| 115 | return |
| 116 | |
| 117 | stdir = d.getVar('STAGING_DIR') |
| 118 | outdir = os.path.join(stdir, d.getVar('MACHINE'), 'imgdata') |
| 119 | bb.utils.mkdirhier(outdir) |
| 120 | basename = d.getVar('IMAGE_BASENAME') |
| 121 | with open(os.path.join(outdir, basename) + '.env', 'w') as envf: |
| 122 | for var in wicvars.split(): |
| 123 | value = d.getVar(var) |
| 124 | if value: |
| 125 | envf.write('%s="%s"\n' % (var, value.strip())) |
| 126 | } |
| 127 | addtask do_rootfs_wicenv after do_image before do_image_wic |
| 128 | do_rootfs_wicenv[vardeps] += "${WICVARS}" |
| 129 | do_rootfs_wicenv[prefuncs] = 'set_image_size' |