[oe-commits] [openembedded-core] 01/04: boot-directdisk.bbclass: merge it into image-vm.bbclass
git at git.openembedded.org
git at git.openembedded.org
Thu Mar 31 12:23:32 UTC 2016
rpurdie pushed a commit to branch master-next
in repository openembedded-core.
commit c314fda9d739560b6a08e627e7aabf105d97c8c4
Author: Robert Yang <liezhi.yang at windriver.com>
AuthorDate: Wed Mar 30 00:23:09 2016 -0700
boot-directdisk.bbclass: merge it into image-vm.bbclass
They are doing the same things: create virtual machine images, merge
them into one bbclass makes it easy to understand.
Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/classes/boot-directdisk.bbclass | 190 ------------------------------
meta/classes/image-vm.bbclass | 216 ++++++++++++++++++++++++++++++++---
2 files changed, 198 insertions(+), 208 deletions(-)
diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass
deleted file mode 100644
index 46f88ac..0000000
--- a/meta/classes/boot-directdisk.bbclass
+++ /dev/null
@@ -1,190 +0,0 @@
-# boot-directdisk.bbclass
-# (loosly based off bootimg.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.)
-#
-# Create an image which can be placed directly onto a harddisk using dd and then
-# booted.
-#
-# This uses syslinux. extlinux would have been nice but required the ext2/3
-# partition to be mounted. grub requires to run itself as part of the install
-# process.
-#
-# The end result is a 512 boot sector populated with an MBR and partition table
-# followed by an msdos fat16 partition containing syslinux and a linux kernel
-# completed by the ext2/3 rootfs.
-#
-# We have to push the msdos parition table size > 16MB so fat 16 is used as parted
-# won't touch fat12 partitions.
-
-# External variables needed
-
-# ${ROOTFS} - the rootfs image to incorporate
-
-do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \
- virtual/kernel:do_deploy \
- syslinux:do_populate_sysroot \
- syslinux-native:do_populate_sysroot \
- parted-native:do_populate_sysroot \
- mtools-native:do_populate_sysroot "
-
-PACKAGES = " "
-EXCLUDE_FROM_WORLD = "1"
-
-BOOTDD_VOLUME_ID ?= "boot"
-BOOTDD_EXTRA_SPACE ?= "16384"
-
-EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
-EFI_PROVIDER ?= "grub-efi"
-EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}"
-
-# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not
-# contain "efi". This way legacy is supported by default if neither is
-# specified, maintaining the original behavior.
-def pcbios(d):
- pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d)
- if pcbios == "0":
- pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d)
- return pcbios
-
-def pcbios_class(d):
- if d.getVar("PCBIOS", True) == "1":
- return "syslinux"
- return ""
-
-PCBIOS = "${@pcbios(d)}"
-PCBIOS_CLASS = "${@pcbios_class(d)}"
-
-# Get the build_syslinux_cfg() function from the syslinux class
-inherit ${PCBIOS_CLASS}
-inherit ${EFI_CLASS}
-
-DISK_SIGNATURE ?= "${DISK_SIGNATURE_GENERATED}"
-ROOT_VM ?= "root=/dev/sda2"
-
-boot_direct_populate() {
- dest=$1
- install -d $dest
-
- # Install bzImage, initrd, and rootfs.img in DEST for all loaders to use.
- if [ -e ${DEPLOY_DIR_IMAGE}/bzImage ]; then
- install -m 0644 ${DEPLOY_DIR_IMAGE}/bzImage $dest/vmlinuz
- fi
-
- # initrd is made of concatenation of multiple filesystem images
- if [ -n "${INITRD}" ]; then
- rm -f $dest/initrd
- for fs in ${INITRD}
- do
- if [ -s "${fs}" ]; then
- cat ${fs} >> $dest/initrd
- else
- bbfatal "${fs} is invalid. initrd image creation failed."
- fi
- done
- chmod 0644 $dest/initrd
- fi
-}
-
-build_boot_dd() {
- HDDDIR="${S}/hdd/boot"
- HDDIMG="${S}/hdd.image"
- IMAGE=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect
-
- boot_direct_populate $HDDDIR
-
- if [ "${PCBIOS}" = "1" ]; then
- syslinux_hddimg_populate $HDDDIR
- fi
- if [ "${EFI}" = "1" ]; then
- efi_hddimg_populate $HDDDIR
- fi
-
- if [ "x${AUTO_SYSLINUXMENU}" = "x1" ] ; then
- install -m 0644 ${STAGING_DIR}/${MACHINE}/usr/share/syslinux/vesamenu.c32 $HDDDIR/${SYSLINUXDIR}/
- if [ "x${SYSLINUX_SPLASH}" != "x" ] ; then
- install -m 0644 ${SYSLINUX_SPLASH} $HDDDIR/${SYSLINUXDIR}/splash.lss
- fi
- fi
-
- BLOCKS=`du -bks $HDDDIR | cut -f 1`
- BLOCKS=`expr $BLOCKS + ${BOOTDD_EXTRA_SPACE}`
-
- # Ensure total sectors is an integral number of sectors per
- # track or mcopy will complain. Sectors are 512 bytes, and we
- # generate images with 32 sectors per track. This calculation is
- # done in blocks, thus the mod by 16 instead of 32.
- BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16)))
-
- # Remove it since mkdosfs would fail when it exists
- rm -f $HDDIMG
- mkdosfs -n ${BOOTDD_VOLUME_ID} -S 512 -C $HDDIMG $BLOCKS
- mcopy -i $HDDIMG -s $HDDDIR/* ::/
-
- if [ "${PCBIOS}" = "1" ]; then
- syslinux_hdddirect_install $HDDIMG
- fi
- chmod 644 $HDDIMG
-
- ROOTFSBLOCKS=`du -Lbks ${ROOTFS} | cut -f 1`
- TOTALSIZE=`expr $BLOCKS + $ROOTFSBLOCKS`
- END1=`expr $BLOCKS \* 1024`
- END2=`expr $END1 + 512`
- END3=`expr \( $ROOTFSBLOCKS \* 1024 \) + $END1`
-
- echo $ROOTFSBLOCKS $TOTALSIZE $END1 $END2 $END3
- rm -rf $IMAGE
- dd if=/dev/zero of=$IMAGE bs=1024 seek=$TOTALSIZE count=1
-
- parted $IMAGE mklabel msdos
- parted $IMAGE mkpart primary fat16 0 ${END1}B
- parted $IMAGE unit B mkpart primary ext2 ${END2}B ${END3}B
- parted $IMAGE set 1 boot on
-
- parted $IMAGE print
-
- awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | fold -w 2 | tac | paste -sd '' | sed 's/\(..\)/\\x&/g')\" }" | \
- dd of=$IMAGE bs=1 seek=440 conv=notrunc
-
- OFFSET=`expr $END2 / 512`
- if [ "${PCBIOS}" = "1" ]; then
- dd if=${STAGING_DATADIR}/syslinux/mbr.bin of=$IMAGE conv=notrunc
- fi
-
- dd if=$HDDIMG of=$IMAGE conv=notrunc seek=1 bs=512
- dd if=${ROOTFS} of=$IMAGE conv=notrunc seek=$OFFSET bs=512
-
- cd ${DEPLOY_DIR_IMAGE}
- rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect
- ln -s ${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect
-}
-
-python do_bootdirectdisk() {
- validate_disk_signature(d)
- set_live_vm_vars(d, 'VM')
- if d.getVar("PCBIOS", True) == "1":
- bb.build.exec_func('build_syslinux_cfg', d)
- if d.getVar("EFI", True) == "1":
- bb.build.exec_func('build_efi_cfg', d)
- bb.build.exec_func('build_boot_dd', d)
-}
-
-def generate_disk_signature():
- import uuid
-
- signature = str(uuid.uuid4())[:8]
-
- if signature != '00000000':
- return signature
- else:
- return 'ffffffff'
-
-def validate_disk_signature(d):
- import re
-
- disk_signature = d.getVar("DISK_SIGNATURE", True)
-
- if not re.match(r'^[0-9a-fA-F]{8}$', disk_signature):
- bb.fatal("DISK_SIGNATURE '%s' must be an 8 digit hex string" % disk_signature)
-
-DISK_SIGNATURE_GENERATED := "${@generate_disk_signature()}"
-
-addtask bootdirectdisk before do_image_complete
diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
index 8608ec0..68cf89b 100644
--- a/meta/classes/image-vm.bbclass
+++ b/meta/classes/image-vm.bbclass
@@ -1,37 +1,217 @@
+# image-vm.bbclass
+# (loosly based off bootimg.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.)
+#
+# Create an image which can be placed directly onto a harddisk using dd and then
+# booted.
+#
+# This uses syslinux. extlinux would have been nice but required the ext2/3
+# partition to be mounted. grub requires to run itself as part of the install
+# process.
+#
+# The end result is a 512 boot sector populated with an MBR and partition table
+# followed by an msdos fat16 partition containing syslinux and a linux kernel
+# completed by the ext2/3 rootfs.
+#
+# We have to push the msdos parition table size > 16MB so fat 16 is used as parted
+# won't touch fat12 partitions.
-LABELS_VM ?= "boot"
+do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \
+ virtual/kernel:do_deploy \
+ syslinux:do_populate_sysroot \
+ syslinux-native:do_populate_sysroot \
+ parted-native:do_populate_sysroot \
+ mtools-native:do_populate_sysroot \
+ ${PN}:do_image_ext4 \
+ "
+
+IMAGE_TYPEDEP_vmdk = "ext4"
+IMAGE_TYPEDEP_vdi = "ext4"
+IMAGE_TYPEDEP_qcow2 = "ext4"
+IMAGE_TYPEDEP_hdddirect = "ext4"
+IMAGE_TYPES_MASKED += "vmdk vdi qcow2 hdddirect"
+ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.ext4"
+
+# Used by bootloader
+LABELS_VM ?= "boot"
+ROOT_VM ?= "root=/dev/sda2"
# Using an initramfs is optional. Enable it by setting INITRD_IMAGE_VM.
INITRD_IMAGE_VM ?= ""
INITRD_VM ?= "${@'${DEPLOY_DIR_IMAGE}/${INITRD_IMAGE_VM}-${MACHINE}.cpio.gz' if '${INITRD_IMAGE_VM}' else ''}"
do_bootdirectdisk[depends] += "${@'${INITRD_IMAGE_VM}:do_image_complete' if '${INITRD_IMAGE_VM}' else ''}"
-# need to define the dependency and the ROOTFS for directdisk
-do_bootdirectdisk[depends] += "${PN}:do_image_ext4"
-ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.ext4"
+BOOTDD_VOLUME_ID ?= "boot"
+BOOTDD_EXTRA_SPACE ?= "16384"
-# creating VM images relies on having a hdddirect so ensure we inherit it here.
-inherit boot-directdisk
+EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
+EFI_PROVIDER ?= "grub-efi"
+EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}"
-IMAGE_TYPEDEP_vmdk = "ext4"
-IMAGE_TYPEDEP_vdi = "ext4"
-IMAGE_TYPEDEP_qcow2 = "ext4"
-IMAGE_TYPEDEP_hdddirect = "ext4"
-IMAGE_TYPES_MASKED += "vmdk vdi qcow2 hdddirect"
+# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not
+# contain "efi". This way legacy is supported by default if neither is
+# specified, maintaining the original behavior.
+def pcbios(d):
+ pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d)
+ if pcbios == "0":
+ pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d)
+ return pcbios
+
+def pcbios_class(d):
+ if d.getVar("PCBIOS", True) == "1":
+ return "syslinux"
+ return ""
+
+PCBIOS = "${@pcbios(d)}"
+PCBIOS_CLASS = "${@pcbios_class(d)}"
+
+# Get the build_syslinux_cfg() function from the syslinux class
+inherit ${PCBIOS_CLASS}
+inherit ${EFI_CLASS}
+
+DISK_SIGNATURE ?= "${DISK_SIGNATURE_GENERATED}"
+
+boot_direct_populate() {
+ dest=$1
+ install -d $dest
+
+ # Install bzImage, initrd, and rootfs.img in DEST for all loaders to use.
+ if [ -e ${DEPLOY_DIR_IMAGE}/bzImage ]; then
+ install -m 0644 ${DEPLOY_DIR_IMAGE}/bzImage $dest/vmlinuz
+ fi
+
+ # initrd is made of concatenation of multiple filesystem images
+ if [ -n "${INITRD}" ]; then
+ rm -f $dest/initrd
+ for fs in ${INITRD}
+ do
+ if [ -s "${fs}" ]; then
+ cat ${fs} >> $dest/initrd
+ else
+ bbfatal "${fs} is invalid. initrd image creation failed."
+ fi
+ done
+ chmod 0644 $dest/initrd
+ fi
+}
+
+build_boot_dd() {
+ HDDDIR="${S}/hdd/boot"
+ HDDIMG="${S}/hdd.image"
+ IMAGE=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect
+
+ boot_direct_populate $HDDDIR
+ if [ "${PCBIOS}" = "1" ]; then
+ syslinux_hddimg_populate $HDDDIR
+ fi
+ if [ "${EFI}" = "1" ]; then
+ efi_hddimg_populate $HDDDIR
+ fi
+
+ if [ "x${AUTO_SYSLINUXMENU}" = "x1" ] ; then
+ install -m 0644 ${STAGING_DIR}/${MACHINE}/usr/share/syslinux/vesamenu.c32 $HDDDIR/${SYSLINUXDIR}/
+ if [ "x${SYSLINUX_SPLASH}" != "x" ] ; then
+ install -m 0644 ${SYSLINUX_SPLASH} $HDDDIR/${SYSLINUXDIR}/splash.lss
+ fi
+ fi
+
+ BLOCKS=`du -bks $HDDDIR | cut -f 1`
+ BLOCKS=`expr $BLOCKS + ${BOOTDD_EXTRA_SPACE}`
+
+ # Ensure total sectors is an integral number of sectors per
+ # track or mcopy will complain. Sectors are 512 bytes, and we
+ # generate images with 32 sectors per track. This calculation is
+ # done in blocks, thus the mod by 16 instead of 32.
+ BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16)))
+
+ # Remove it since mkdosfs would fail when it exists
+ rm -f $HDDIMG
+ mkdosfs -n ${BOOTDD_VOLUME_ID} -S 512 -C $HDDIMG $BLOCKS
+ mcopy -i $HDDIMG -s $HDDDIR/* ::/
+
+ if [ "${PCBIOS}" = "1" ]; then
+ syslinux_hdddirect_install $HDDIMG
+ fi
+ chmod 644 $HDDIMG
+
+ ROOTFSBLOCKS=`du -Lbks ${ROOTFS} | cut -f 1`
+ TOTALSIZE=`expr $BLOCKS + $ROOTFSBLOCKS`
+ END1=`expr $BLOCKS \* 1024`
+ END2=`expr $END1 + 512`
+ END3=`expr \( $ROOTFSBLOCKS \* 1024 \) + $END1`
+
+ echo $ROOTFSBLOCKS $TOTALSIZE $END1 $END2 $END3
+ rm -rf $IMAGE
+ dd if=/dev/zero of=$IMAGE bs=1024 seek=$TOTALSIZE count=1
+
+ parted $IMAGE mklabel msdos
+ parted $IMAGE mkpart primary fat16 0 ${END1}B
+ parted $IMAGE unit B mkpart primary ext2 ${END2}B ${END3}B
+ parted $IMAGE set 1 boot on
+
+ parted $IMAGE print
+
+ awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | fold -w 2 | tac | paste -sd '' | sed 's/\(..\)/\\x&/g')\" }" | \
+ dd of=$IMAGE bs=1 seek=440 conv=notrunc
+
+ OFFSET=`expr $END2 / 512`
+ if [ "${PCBIOS}" = "1" ]; then
+ dd if=${STAGING_DATADIR}/syslinux/mbr.bin of=$IMAGE conv=notrunc
+ fi
+
+ dd if=$HDDIMG of=$IMAGE conv=notrunc seek=1 bs=512
+ dd if=${ROOTFS} of=$IMAGE conv=notrunc seek=$OFFSET bs=512
+
+ cd ${DEPLOY_DIR_IMAGE}
+ rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect
+ ln -s ${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect
+}
+
+python do_bootdirectdisk() {
+ validate_disk_signature(d)
+ set_live_vm_vars(d, 'VM')
+ if d.getVar("PCBIOS", True) == "1":
+ bb.build.exec_func('build_syslinux_cfg', d)
+ if d.getVar("EFI", True) == "1":
+ bb.build.exec_func('build_efi_cfg', d)
+ bb.build.exec_func('build_boot_dd', d)
+}
+
+def generate_disk_signature():
+ import uuid
+
+ signature = str(uuid.uuid4())[:8]
+
+ if signature != '00000000':
+ return signature
+ else:
+ return 'ffffffff'
+
+def validate_disk_signature(d):
+ import re
+
+ disk_signature = d.getVar("DISK_SIGNATURE", True)
+
+ if not re.match(r'^[0-9a-fA-F]{8}$', disk_signature):
+ bb.fatal("DISK_SIGNATURE '%s' must be an 8 digit hex string" % disk_signature)
+
+DISK_SIGNATURE_GENERATED := "${@generate_disk_signature()}"
+
+run_qemu_img (){
+ type="$1"
+ qemu-img convert -O $type ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.$type
+ ln -sf ${IMAGE_NAME}.$type ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.$type
+}
create_vmdk_image () {
- qemu-img convert -O vmdk ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.vmdk
- ln -sf ${IMAGE_NAME}.vmdk ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.vmdk
+ run_qemu_img vmdk
}
create_vdi_image () {
- qemu-img convert -O vdi ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.vdi
- ln -sf ${IMAGE_NAME}.vdi ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.vdi
+ run_qemu_img vdi
}
create_qcow2_image () {
- qemu-img convert -O qcow2 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.qcow2
- ln -sf ${IMAGE_NAME}.qcow2 ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.qcow2
+ run_qemu_img qcow2
}
python do_vmimg() {
@@ -43,6 +223,6 @@ python do_vmimg() {
bb.build.exec_func('create_qcow2_image', d)
}
+addtask bootdirectdisk before do_vmimg
addtask vmimg after do_bootdirectdisk before do_image_complete
do_vmimg[depends] += "qemu-native:do_populate_sysroot"
-
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