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Commit | Line | Data |
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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 | |
9 | PMX_ESP_DIR="EFI/proxmox" | |
10 | ||
11 | MOUNTROOT="${TMPDIR:-/var/tmp}/espmounts" | |
12 | ||
b17a1cf3 SI |
13 | # - cleanup - gently delete all kernels not in kernel-keep-list |
14 | ||
b17a1cf3 SI |
15 | if command -V systemd-detect-virt >/dev/null 2>&1 && |
16 | systemd-detect-virt --quiet --container; then | |
17 | exit 0 | |
18 | fi | |
19 | ||
20 | cleanup() { | |
21 | ||
22 | warn "unmounting ESPs" | |
23 | for mount in "${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="$(cat /proc/cmdline)" | |
43 | fi | |
44 | ||
45 | ||
46 | update_esps() { | |
47 | esps="$(lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
48 | awk -v OFS=';' '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}')" | |
49 | ||
50 | for esp in ${esps}; do | |
51 | path="$(echo "${esp}" | cut -d ';' -f1)" | |
52 | uuid="$(echo "${esp}" | cut -d ';' -f2)" | |
53 | mountpoint="${MOUNTROOT}/${uuid}" | |
54 | ||
55 | mkdir -p "${mountpoint}" | |
56 | mount "${path}" "${mountpoint}" || \ | |
57 | { warn "mount of ${esp} failed - skipping"; continue; } | |
58 | if [ ! -f "${mountpoint}/loader/loader.conf" ]; then | |
59 | warn "${path} contains no loader.conf - skipping" | |
60 | continue | |
61 | fi | |
62 | if [ ! -d "${mountpoint}/EFI/proxmox" ]; then | |
63 | warn "${path} contains no EFI/proxmox - skipping" | |
64 | continue | |
65 | fi | |
66 | ||
67 | warn "Copying and configuring kernels on ${path}" | |
68 | copy_and_config_kernels "${mountpoint}" | |
69 | remove_old_kernels "${mountpoint}" | |
70 | ||
71 | umount "${mountpoint}" || \ | |
72 | { warn "umount of ${esp} failed - failure"; exit 2; } | |
73 | ||
74 | rmdir "${mountpoint}" | |
75 | done | |
76 | ||
77 | } | |
78 | ||
79 | copy_and_config_kernels() { | |
80 | esp="$1" | |
81 | ||
82 | ||
83 | for kver in ${BOOT_KVERS}; do | |
84 | ||
85 | linux_image="/boot/vmlinuz-${kver}" | |
86 | initrd="/boot/initrd.img-${kver}" | |
87 | ||
88 | if [ ! -f "${linux_image}" ]; then | |
89 | warn "No linux-image ${linux_image} found - skipping" | |
90 | continue | |
91 | fi | |
92 | if [ ! -f "${initrd}" ]; then | |
93 | warn "No initrd-image ${initrd} found - skipping" | |
94 | continue | |
95 | fi | |
96 | ||
97 | warn " Copying kernel and creating boot-entry for ${kver}" | |
98 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
99 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
100 | mkdir -p "${KERNEL_LIVE_DIR}" | |
101 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
102 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
103 | ||
104 | # create loader entry | |
105 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
106 | title Proxmox | |
107 | version ${kver} | |
108 | options ${CMDLINE} | |
109 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
110 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
111 | EOF | |
112 | done | |
113 | ||
114 | } | |
115 | ||
116 | remove_old_kernels() { | |
117 | esp="$1" | |
118 | ||
119 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
120 | if [ ! -d "${kerneldir}" ]; then | |
121 | warn " ${kerneldir} is not a directory - skipping" | |
122 | continue | |
123 | fi | |
124 | ||
125 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
126 | ||
127 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
128 | warn " Removing old version ${kver}" | |
129 | rm -rf "${kerneldir}" | |
130 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
131 | done | |
132 | ||
133 | } | |
134 | ||
135 | set -- $DEB_MAINT_PARAMS | |
136 | mode="${1#\'}" | |
137 | mode="${mode%\'}" | |
138 | case $0:$mode in | |
139 | # Only run on postinst configure and postrm remove, to avoid wasting | |
140 | # time by calling update-grub multiple times on upgrade and removal. | |
141 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
142 | # kernel packages. | |
143 | */postinst.d/*:|*/postinst.d/*:configure|*/postrm.d/*:|*/postrm.d/*:remove) | |
144 | update_esps | |
145 | ;; | |
146 | esac | |
147 | ||
148 | exit 0 |