]>
Commit | Line | Data |
---|---|---|
b17a1cf3 SI |
1 | #! /bin/sh |
2 | set -e | |
3 | ||
4 | # adapted from '/etc/kernel/postinst.d/zz-update-grub and | |
5 | # /usr/lib/kernel/install.d/90-loaderentry.install, see also | |
6 | # https://kernel-team.pages.debian.net/kernel-handbook/ch-update-hooks.html | |
7 | ||
8 | # relative to the ESP mountpoint | |
0b3c3df6 | 9 | ESP_LIST="/etc/kernel/pve-efiboot-uuids" |
b17a1cf3 SI |
10 | PMX_ESP_DIR="EFI/proxmox" |
11 | ||
12 | MOUNTROOT="${TMPDIR:-/var/tmp}/espmounts" | |
13 | ||
b17a1cf3 SI |
14 | # - cleanup - gently delete all kernels not in kernel-keep-list |
15 | ||
b17a1cf3 SI |
16 | if command -V systemd-detect-virt >/dev/null 2>&1 && |
17 | systemd-detect-virt --quiet --container; then | |
18 | exit 0 | |
19 | fi | |
20 | ||
21 | cleanup() { | |
22 | ||
b17a1cf3 SI |
23 | for mount in "${MOUNTROOT}"/* ; do |
24 | if echo "${mount}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}' && \ | |
25 | mountpoint -q "${mount}"; then | |
26 | umount "${mount}" | |
27 | fi | |
28 | done | |
29 | ||
30 | } | |
31 | ||
32 | trap cleanup EXIT INT TERM QUIT | |
33 | ||
fbf55ac2 | 34 | . /usr/share/pve-kernel-helper/scripts/functions |
b17a1cf3 SI |
35 | |
36 | BOOT_KVERS="$(boot_kernel_list "$@")" | |
37 | ||
38 | if [ -f /etc/kernel/cmdline ]; then | |
39 | CMDLINE="$(cat /etc/kernel/cmdline)" | |
40 | else | |
41 | warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline" | |
42 | CMDLINE="$(cat /proc/cmdline)" | |
43 | fi | |
44 | ||
0b3c3df6 SI |
45 | potential_esps(){ |
46 | lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
47 | awk '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}' | |
48 | } | |
b17a1cf3 SI |
49 | |
50 | update_esps() { | |
0b3c3df6 SI |
51 | if [ ! -f "${ESP_LIST}" ]; then |
52 | warn "No ${ESP_LIST} found cannot update installed kernels - exiting" | |
53 | esps="$(potential_esps)" | |
54 | warn "add the UUIDs of one of the following devices to ${ESP_LIST}:" | |
55 | warn "${esps}" | |
56 | exit 1 | |
57 | fi | |
58 | cat "${ESP_LIST}" | while IFS= read -r uuid; do | |
59 | if ! (echo "${uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then | |
60 | warn "WARN: ${uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping" | |
61 | continue | |
62 | fi | |
b17a1cf3 | 63 | |
0b3c3df6 SI |
64 | path="/dev/disk/by-uuid/$uuid" |
65 | if [ ! -e "${path}" ]; then | |
66 | warn "WARN: ${path} does not exist - clean ${ESP_LIST}! - skipping" | |
67 | continue | |
68 | fi | |
b17a1cf3 | 69 | |
0b3c3df6 | 70 | mountpoint="${MOUNTROOT}/${uuid}" |
b17a1cf3 SI |
71 | mkdir -p "${mountpoint}" |
72 | mount "${path}" "${mountpoint}" || \ | |
0b3c3df6 | 73 | { warn "mount of ${path} failed - skipping"; continue; } |
b17a1cf3 SI |
74 | if [ ! -f "${mountpoint}/loader/loader.conf" ]; then |
75 | warn "${path} contains no loader.conf - skipping" | |
76 | continue | |
77 | fi | |
78 | if [ ! -d "${mountpoint}/EFI/proxmox" ]; then | |
79 | warn "${path} contains no EFI/proxmox - skipping" | |
80 | continue | |
81 | fi | |
82 | ||
83 | warn "Copying and configuring kernels on ${path}" | |
84 | copy_and_config_kernels "${mountpoint}" | |
85 | remove_old_kernels "${mountpoint}" | |
86 | ||
87 | umount "${mountpoint}" || \ | |
0b3c3df6 | 88 | { warn "umount of ${path} failed - failure"; exit 2; } |
b17a1cf3 SI |
89 | |
90 | rmdir "${mountpoint}" | |
91 | done | |
92 | ||
93 | } | |
94 | ||
95 | copy_and_config_kernels() { | |
96 | esp="$1" | |
97 | ||
98 | ||
99 | for kver in ${BOOT_KVERS}; do | |
100 | ||
101 | linux_image="/boot/vmlinuz-${kver}" | |
102 | initrd="/boot/initrd.img-${kver}" | |
103 | ||
104 | if [ ! -f "${linux_image}" ]; then | |
105 | warn "No linux-image ${linux_image} found - skipping" | |
106 | continue | |
107 | fi | |
108 | if [ ! -f "${initrd}" ]; then | |
109 | warn "No initrd-image ${initrd} found - skipping" | |
110 | continue | |
111 | fi | |
112 | ||
113 | warn " Copying kernel and creating boot-entry for ${kver}" | |
114 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
115 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
116 | mkdir -p "${KERNEL_LIVE_DIR}" | |
117 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
118 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
119 | ||
120 | # create loader entry | |
121 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
122 | title Proxmox | |
123 | version ${kver} | |
124 | options ${CMDLINE} | |
125 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
126 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
127 | EOF | |
128 | done | |
129 | ||
130 | } | |
131 | ||
132 | remove_old_kernels() { | |
133 | esp="$1" | |
134 | ||
135 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
136 | if [ ! -d "${kerneldir}" ]; then | |
137 | warn " ${kerneldir} is not a directory - skipping" | |
138 | continue | |
139 | fi | |
140 | ||
141 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
142 | ||
143 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
144 | warn " Removing old version ${kver}" | |
145 | rm -rf "${kerneldir}" | |
146 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
147 | done | |
148 | ||
149 | } | |
150 | ||
151 | set -- $DEB_MAINT_PARAMS | |
152 | mode="${1#\'}" | |
153 | mode="${mode%\'}" | |
154 | case $0:$mode in | |
155 | # Only run on postinst configure and postrm remove, to avoid wasting | |
156 | # time by calling update-grub multiple times on upgrade and removal. | |
157 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
158 | # kernel packages. | |
159 | */postinst.d/*:|*/postinst.d/*:configure|*/postrm.d/*:|*/postrm.d/*:remove) | |
160 | update_esps | |
161 | ;; | |
162 | esac | |
163 | ||
164 | exit 0 |