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ubuntu: iso 安装适配 --minimal
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bin456789
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@ -975,6 +975,7 @@ setos() {
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# ks
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eval ${step}_ks=$confhome/ubuntu.yaml
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eval ${step}_minimal=$minimal
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fi
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}
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112
trans.sh
112
trans.sh
@ -1638,9 +1638,13 @@ EOF
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rm -rf $os_dir/swapfile
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}
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get_http_file_size_to() {
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var_name=$1
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url=$2
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get_http_file_size() {
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url=$1
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# 网址重定向可能得到多个 Content-Length, 选最后一个
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wget --spider -S "$url" 2>&1 | grep 'Content-Length:' |
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tail -1 | awk '{print $2}' | grep .
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}
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pipe_extract() {
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# alpine busybox 自带 gzip，但官方版也许性能更好
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@ -1717,10 +1721,8 @@ create_part() {
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# xda*1 星号用于 nvme0n1p1 的字母 p
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# shellcheck disable=SC2154
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if [ "$distro" = windows ]; then
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get_http_file_size_to size_bytes $iso
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# 默认值，最大的iso 23h2 需要7g
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if [ -z "$size_bytes" ]; then
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if ! size_bytes=$(get_http_file_size "$iso"); then
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# 默认值，最大的iso 23h2 假设 7g
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size_bytes=$((7 * 1024 * 1024 * 1024))
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fi
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@ -1762,7 +1764,7 @@ create_part() {
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mkfs.ntfs -f -F -L installer /dev/$xda*2 #2 installer
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fi
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elif is_use_cloud_image; then
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installer_part_size="$(get_ci_installer_part_size)"
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installer_part_size="$(get_cloud_image_part_size)"
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# 这几个系统不使用dd，而是复制文件
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if [ "$distro" = centos ] || [ "$distro" = alma ] || [ "$distro" = rocky ] ||
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[ "$distro" = oracle ] || [ "$distro" = redhat ] ||
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@ -1844,8 +1846,24 @@ create_part() {
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# 对于红帽系是临时分区表，安装时除了 installer 分区，其他分区会重建为默认的大小
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# 对于ubuntu是最终分区表，因为 ubuntu 的安装器不能调整个别分区，只能重建整个分区表
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# installer 2g分区用fat格式刚好塞得下ubuntu-22.04.3 iso，而ext4塞不下或者需要改参数
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[ "$distro" = ubuntu ] && installer_part_size=3GiB || installer_part_size=2GiB
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if [ "$distro" = ubuntu ]; then
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if ! size_bytes=$(get_http_file_size "$iso"); then
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# 默认值，假设 iso 3g
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size_bytes=$((3 * 1024 * 1024 * 1024))
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fi
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# 假设需要预留 10% 空间
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size_bytes_mb=$((size_bytes * 110 / 100 / 1024 / 1024))
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installer_part_size=${size_bytes_mb}MiB
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else
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# redhat
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installer_part_size=2GiB
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fi
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# centos 7 无法加载alpine格式化的ext4
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# 要关闭这个属性
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ext4_options="-O ^metadata_csum"
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apk add dosfstools
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if is_efi; then
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# efi
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parted /dev/$xda -s -- \
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@ -1858,7 +1876,7 @@ create_part() {
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mkfs.fat -n efi /dev/$xda*1 #1 efi
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mkfs.ext4 -E nodiscard -F -L os /dev/$xda*2 #2 os
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mkfs.fat -n installer /dev/$xda*3 #3 installer
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mkfs.ext4 -E nodiscard -F -L installer $ext4_options /dev/$xda*3 #2 installer
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elif is_xda_gt_2t; then
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# bios > 2t
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parted /dev/$xda -s -- \
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@ -1871,7 +1889,7 @@ create_part() {
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echo #1 bios_boot
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mkfs.ext4 -E nodiscard -F -L os /dev/$xda*2 #2 os
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mkfs.fat -n installer /dev/$xda*3 #3 installer
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mkfs.ext4 -E nodiscard -F -L installer $ext4_options /dev/$xda*3 #3 installer
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else
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# bios
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parted /dev/$xda -s -- \
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@ -1882,17 +1900,9 @@ create_part() {
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update_part
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mkfs.ext4 -E nodiscard -F -L os /dev/$xda*1 #1 os
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mkfs.fat -n installer /dev/$xda*2 #2 installer
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mkfs.ext4 -E nodiscard -F -L installer $ext4_options /dev/$xda*2 #2 installer
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fi
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update_part
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# centos 7 无法加载alpine格式化的ext4
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# 要关闭这个属性
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# 目前改用fat格式，不用设置这个
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if false && [ "$distro" = centos ]; then
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apk add e2fsprogs-extra
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tune2fs -O ^metadata_csum_seed /dev/disk/by-label/installer
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fi
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fi
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update_part
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@ -2560,7 +2570,7 @@ get_os_fs() {
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esac
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}
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get_ci_installer_part_size() {
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get_cloud_image_part_size() {
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# 8
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# https://repo.almalinux.org/almalinux/8/cloud/x86_64/images/AlmaLinux-8-GenericCloud-latest.x86_64.qcow2 600m
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# https://download.rockylinux.org/pub/rocky/8/images/x86_64/Rocky-8-GenericCloud-Base.latest.x86_64.qcow2 1.8g
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@ -2592,7 +2602,7 @@ get_ci_installer_part_size() {
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else
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echo 2GiB
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fi
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elif get_http_file_size_to size_bytes $img >&2 && [ -n "$size_bytes" ]; then
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elif size_bytes=$(get_http_file_size "$img"); then
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# 额外 +100M 文件系统保留大小 和 qcow2 写入空间
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size_bytes_mb=$((size_bytes / 1024 / 1024 + 100))
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# 最少 1g ，因为可能要用作临时 swap
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@ -3929,38 +3939,31 @@ get_ubuntu_kernel_flavor() {
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# 24.04 kvm = virtual
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# linux-image-virtual = linux-image-6.x-generic
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# linux-image-generic = linux-image-6.x-generic + amd64-microcode + intel-microcode + linux-firmware + linux-modules-extra-generic
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# TODO: ISO virtual-hwe-24.04 不安装 linux-image-extra-virtual-hwe-24.04 不然会花屏
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# https://github.com/systemd/systemd/blob/main/src/basic/virt.c
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# https://github.com/canonical/cloud-init/blob/main/tools/ds-identify
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# http://git.annexia.org/?p=virt-what.git;a=blob;f=virt-what.in;hb=HEAD
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{
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# busybox blkid 不显示 sr0 的 UUID
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if [ "$releasever" = 16.04 ]; then
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if is_virt; then
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flavor=virtual-hwe-$releasever
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echo virtual-hwe-$releasever
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else
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flavor=generic-hwe-$releasever
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echo generic-hwe-$releasever
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fi
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else
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apk add lsblk
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if is_dmi_contains "amazon" || is_dmi_contains "ec2"; then
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flavor=aws
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elif is_dmi_contains "Google Compute Engine" || is_dmi_contains "GoogleCloud"; then
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flavor=gcp
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elif is_dmi_contains "OracleCloud"; then
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flavor=oracle
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elif is_dmi_contains "7783-7084-3265-9085-8269-3286-77"; then
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flavor=azure
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elif lsblk -o UUID,LABEL | grep -i 9796-932E | grep -i config-2; then
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flavor=ibm
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elif is_virt; then
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flavor=virtual-hwe-$releasever
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vendor="$(get_cloud_vendor)"
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case "$vendor" in
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aws | gcp | oracle | azure | ibm) echo $vendor ;;
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*)
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if is_virt; then
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echo virtual-hwe-$releasever
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else
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flavor=generic-hwe-$releasever
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echo generic-hwe-$releasever
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fi
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;;
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esac
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fi
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} >&2
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echo $flavor
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}
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install_redhat_ubuntu() {
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@ -3996,9 +3999,30 @@ install_redhat_ubuntu() {
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# shellcheck disable=SC2154
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if [ "$distro" = "ubuntu" ]; then
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download $iso /os/installer/ubuntu.iso
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mkdir -p /iso
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mount -o ro /os/installer/ubuntu.iso /iso
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# 内核风味
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kernel=$(get_ubuntu_kernel_flavor)
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# 要安装的版本
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# https://canonical-subiquity.readthedocs-hosted.com/en/latest/reference/autoinstall-reference.html#id
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# 20.04 不能选择 minimal ，也没有 install-sources.yaml
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source_id=
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if [ -f /iso/casper/install-sources.yaml ]; then
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ids=$(grep id: /iso/casper/install-sources.yaml | awk '{print $2}')
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if [ "$(echo "$ids" | wc -l)" = 1 ]; then
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source_id=$ids
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else
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[ "$minimal" = 1 ] && v= || v=-v
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source_id=$(echo "$ids" | grep $v '\-minimal')
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if [ "$(echo "$source_id" | wc -l)" -gt 1 ]; then
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error_and_exit "find multi source id."
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fi
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fi
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fi
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# 正常写法应该是 ds="nocloud-net;s=https://xxx/" 但是甲骨文云的ds更优先，自己的ds根本无访问记录
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# $seed 是 https://xxx/
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cat <<EOF >$grub_cfg
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@ -4009,7 +4033,7 @@ install_redhat_ubuntu() {
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insmod all_video
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search --no-floppy --label --set=root installer
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loopback loop /ubuntu.iso
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linux (loop)/casper/vmlinuz iso-scan/filename=/ubuntu.iso autoinstall noprompt noeject cloud-config-url=$ks $extra_cmdline extra_kernel=$kernel --- $console_cmdline
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linux (loop)/casper/vmlinuz iso-scan/filename=/ubuntu.iso autoinstall noprompt noeject cloud-config-url=$ks $extra_cmdline extra_kernel=$kernel extra_source_id=$source_id --- $console_cmdline
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initrd (loop)/casper/initrd
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}
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EOF
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19
ubuntu.yaml
19
ubuntu.yaml
@ -5,8 +5,7 @@ autoinstall:
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apt:
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fallback: offline-install
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source:
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id: ubuntu-server-minimal
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search_drivers: false
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id: "@SOURCE_ID@"
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kernel:
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package: linux-generic
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timezone: Asia/Shanghai
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@ -31,11 +30,27 @@ autoinstall:
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export xda
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curl -L "$confhome/ubuntu-storage-early.sh" | sh -s
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# 要安装的版本
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# 有的镜像只有一个版本，没有 install-sources.yaml
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# 因此提取不到 $source_id，此时 $source_id 参数为空
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if [ -n "$source_id" ]; then
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sed -i "s/@SOURCE_ID@/$source_id/" /autoinstall.yaml
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else
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sed -i "/@SOURCE_ID@/d" /autoinstall.yaml
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fi
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# 内核风味
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# https://bugs.launchpad.net/subiquity/+bug/1989353
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sed -i "s/generic/$kernel/" /run/kernel-meta-package
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sed -i "/package:/s/generic/$kernel/" /autoinstall.yaml
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# 跳过最后的更新
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cp /usr/sbin/chroot /usr/sbin/chroot.bin
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cat >/usr/sbin/chroot <<EOF
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#!/bin/sh
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[ "\$2" = "unattended-upgrades" ] || /usr/sbin/chroot.bin "\$@"
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EOF
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# 禁用 DNS 强制离线安装内核和跳过最后的更新
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# 但安装器会配置时区和写入最近的mirror到/etc/apt/sources.list 所以要提前解析
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# dig会显示cname结果，cname会以.结尾，grep -v '\.$' 表示去除 cname 结果
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