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authorTom Rini <trini@konsulko.com>2017-07-28 20:14:32 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-07-30 08:46:20 +0100
commit9d07c736e39a9aa922630b4241eda185a19a11ea (patch)
treeed423305c18dc7bac77ca01e8621ffd40f976b79 /meta/classes/image-vm.bbclass
parentd2ebee7c3a0c8ab9a09ebad12a2fda51f8d10954 (diff)
downloadpoky-9d07c736e39a9aa922630b4241eda185a19a11ea.tar.gz
image: Convert vmdk/vdi/qcow2 to strict CONVERSION_CMD types
The vmdk/vdi/qcow2 IMAGE_FSTYPEs predate wic. As such, they provide some similar underlying functionality in order to produce a "disk" image that in turn can be converted into different formats that various hypervisor types work with. They do not however provide the ability for other disk image types to be converted into these same output types. Furthermore, they are less flexible than what wic does provide. This drops the old style vmdk/vdi/qcow2 types and re-introduces them under the CONVERSION_CMD framework. The equivalent of vmdk is now wic.vmdk and so forth for the other types. (From OE-Core rev: 929ba563f1bc7195c4981b8e139c432b2cc388ea) Signed-off-by: Tom Rini <trini@konsulko.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/image-vm.bbclass')
-rw-r--r--meta/classes/image-vm.bbclass171
1 files changed, 0 insertions, 171 deletions
diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
deleted file mode 100644
index b52df9fbf5..0000000000
--- a/meta/classes/image-vm.bbclass
+++ /dev/null
@@ -1,171 +0,0 @@
1# image-vm.bbclass
2# (loosly based off image-live.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.)
3#
4# Create an image which can be placed directly onto a harddisk using dd and then
5# booted.
6#
7# This uses syslinux. extlinux would have been nice but required the ext2/3
8# partition to be mounted. grub requires to run itself as part of the install
9# process.
10#
11# The end result is a 512 boot sector populated with an MBR and partition table
12# followed by an msdos fat16 partition containing syslinux and a linux kernel
13# completed by the ext2/3 rootfs.
14#
15# We have to push the msdos parition table size > 16MB so fat 16 is used as parted
16# won't touch fat12 partitions.
17
18inherit live-vm-common
19
20do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \
21 virtual/kernel:do_deploy \
22 syslinux:do_populate_sysroot \
23 syslinux-native:do_populate_sysroot \
24 parted-native:do_populate_sysroot \
25 mtools-native:do_populate_sysroot \
26 ${PN}:do_image_${VM_ROOTFS_TYPE} \
27 "
28
29IMAGE_TYPEDEP_vmdk = "${VM_ROOTFS_TYPE}"
30IMAGE_TYPEDEP_vdi = "${VM_ROOTFS_TYPE}"
31IMAGE_TYPEDEP_qcow2 = "${VM_ROOTFS_TYPE}"
32IMAGE_TYPEDEP_hdddirect = "${VM_ROOTFS_TYPE}"
33IMAGE_TYPES_MASKED += "vmdk vdi qcow2 hdddirect"
34
35VM_ROOTFS_TYPE ?= "ext4"
36ROOTFS ?= "${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${VM_ROOTFS_TYPE}"
37
38# Used by bootloader
39LABELS_VM ?= "boot"
40ROOT_VM ?= "root=/dev/sda2"
41# Using an initramfs is optional. Enable it by setting INITRD_IMAGE_VM.
42INITRD_IMAGE_VM ?= ""
43INITRD_VM ?= "${@'${IMGDEPLOYDIR}/${INITRD_IMAGE_VM}-${MACHINE}.cpio.gz' if '${INITRD_IMAGE_VM}' else ''}"
44do_bootdirectdisk[depends] += "${@'${INITRD_IMAGE_VM}:do_image_complete' if '${INITRD_IMAGE_VM}' else ''}"
45
46BOOTDD_VOLUME_ID ?= "boot"
47BOOTDD_EXTRA_SPACE ?= "16384"
48
49DISK_SIGNATURE ?= "${DISK_SIGNATURE_GENERATED}"
50DISK_SIGNATURE[vardepsexclude] = "DISK_SIGNATURE_GENERATED"
51
52build_boot_dd() {
53 HDDDIR="${S}/hdd/boot"
54 HDDIMG="${S}/hdd.image"
55 IMAGE=${IMGDEPLOYDIR}/${IMAGE_NAME}.hdddirect
56
57 populate_kernel $HDDDIR
58
59 if [ "${PCBIOS}" = "1" ]; then
60 syslinux_hddimg_populate $HDDDIR
61 fi
62 if [ "${EFI}" = "1" ]; then
63 efi_hddimg_populate $HDDDIR
64 fi
65
66 BLOCKS=`du -bks $HDDDIR | cut -f 1`
67 BLOCKS=`expr $BLOCKS + ${BOOTDD_EXTRA_SPACE}`
68
69 # Remove it since mkdosfs would fail when it exists
70 rm -f $HDDIMG
71 mkdosfs -n ${BOOTDD_VOLUME_ID} ${MKDOSFS_EXTRAOPTS} -C $HDDIMG $BLOCKS
72 mcopy -i $HDDIMG -s $HDDDIR/* ::/
73
74 if [ "${PCBIOS}" = "1" ]; then
75 syslinux_hdddirect_install $HDDIMG
76 fi
77 chmod 644 $HDDIMG
78
79 ROOTFSBLOCKS=`du -Lbks ${ROOTFS} | cut -f 1`
80 TOTALSIZE=`expr $BLOCKS + $ROOTFSBLOCKS`
81 END1=`expr $BLOCKS \* 1024`
82 END2=`expr $END1 + 512`
83 END3=`expr \( $ROOTFSBLOCKS \* 1024 \) + $END1`
84
85 echo $ROOTFSBLOCKS $TOTALSIZE $END1 $END2 $END3
86 rm -rf $IMAGE
87 dd if=/dev/zero of=$IMAGE bs=1024 seek=$TOTALSIZE count=1
88
89 parted $IMAGE mklabel msdos
90 parted $IMAGE mkpart primary fat16 0 ${END1}B
91 parted $IMAGE unit B mkpart primary ext2 ${END2}B ${END3}B
92 parted $IMAGE set 1 boot on
93
94 parted $IMAGE print
95
96 awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | sed 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/')\" }" | \
97 dd of=$IMAGE bs=1 seek=440 conv=notrunc
98
99 OFFSET=`expr $END2 / 512`
100 if [ "${PCBIOS}" = "1" ]; then
101 dd if=${STAGING_DATADIR}/syslinux/mbr.bin of=$IMAGE conv=notrunc
102 fi
103
104 dd if=$HDDIMG of=$IMAGE conv=notrunc seek=1 bs=512
105 dd if=${ROOTFS} of=$IMAGE conv=notrunc seek=$OFFSET bs=512
106
107 cd ${IMGDEPLOYDIR}
108
109 ln -sf ${IMAGE_NAME}.hdddirect ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.hdddirect
110}
111
112python do_bootdirectdisk() {
113 validate_disk_signature(d)
114 set_live_vm_vars(d, 'VM')
115 if d.getVar("PCBIOS") == "1":
116 bb.build.exec_func('build_syslinux_cfg', d)
117 if d.getVar("EFI") == "1":
118 bb.build.exec_func('build_efi_cfg', d)
119 bb.build.exec_func('build_boot_dd', d)
120}
121
122def generate_disk_signature():
123 import uuid
124
125 signature = str(uuid.uuid4())[:8]
126
127 if signature != '00000000':
128 return signature
129 else:
130 return 'ffffffff'
131
132def validate_disk_signature(d):
133 import re
134
135 disk_signature = d.getVar("DISK_SIGNATURE")
136
137 if not re.match(r'^[0-9a-fA-F]{8}$', disk_signature):
138 bb.fatal("DISK_SIGNATURE '%s' must be an 8 digit hex string" % disk_signature)
139
140DISK_SIGNATURE_GENERATED := "${@generate_disk_signature()}"
141
142run_qemu_img (){
143 type="$1"
144 qemu-img convert -O $type ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.hdddirect ${IMGDEPLOYDIR}/${IMAGE_NAME}.$type
145
146 ln -sf ${IMAGE_NAME}.$type ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.$type
147}
148create_vmdk_image () {
149 run_qemu_img vmdk
150}
151
152create_vdi_image () {
153 run_qemu_img vdi
154}
155
156create_qcow2_image () {
157 run_qemu_img qcow2
158}
159
160python do_vmimg() {
161 if 'vmdk' in d.getVar('IMAGE_FSTYPES'):
162 bb.build.exec_func('create_vmdk_image', d)
163 if 'vdi' in d.getVar('IMAGE_FSTYPES'):
164 bb.build.exec_func('create_vdi_image', d)
165 if 'qcow2' in d.getVar('IMAGE_FSTYPES'):
166 bb.build.exec_func('create_qcow2_image', d)
167}
168
169addtask bootdirectdisk before do_vmimg
170addtask vmimg after do_bootdirectdisk before do_image_complete
171do_vmimg[depends] += "qemu-native:do_populate_sysroot"