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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 | ||
b17a1cf3 SI |
8 | |
9 | MOUNTROOT="${TMPDIR:-/var/tmp}/espmounts" | |
10 | ||
b17a1cf3 SI |
11 | # - cleanup - gently delete all kernels not in kernel-keep-list |
12 | ||
b17a1cf3 SI |
13 | if command -V systemd-detect-virt >/dev/null 2>&1 && |
14 | systemd-detect-virt --quiet --container; then | |
15 | exit 0 | |
16 | fi | |
17 | ||
18 | cleanup() { | |
19 | ||
b17a1cf3 SI |
20 | for mount in "${MOUNTROOT}"/* ; do |
21 | if echo "${mount}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}' && \ | |
22 | mountpoint -q "${mount}"; then | |
23 | umount "${mount}" | |
24 | fi | |
25 | done | |
26 | ||
27 | } | |
28 | ||
29 | trap cleanup EXIT INT TERM QUIT | |
30 | ||
fbf55ac2 | 31 | . /usr/share/pve-kernel-helper/scripts/functions |
b17a1cf3 SI |
32 | |
33 | BOOT_KVERS="$(boot_kernel_list "$@")" | |
34 | ||
0b3c3df6 SI |
35 | potential_esps(){ |
36 | lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
37 | awk '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}' | |
38 | } | |
b17a1cf3 SI |
39 | |
40 | update_esps() { | |
0b3c3df6 | 41 | if [ ! -f "${ESP_LIST}" ]; then |
e3928378 | 42 | warn "No ${ESP_LIST} found, cannot update installed kernels - exiting" |
0b3c3df6 SI |
43 | esps="$(potential_esps)" |
44 | warn "add the UUIDs of one of the following devices to ${ESP_LIST}:" | |
45 | warn "${esps}" | |
46 | exit 1 | |
47 | fi | |
2d87fee5 FG |
48 | if [ -f /etc/kernel/cmdline ]; then |
49 | CMDLINE="$(cat /etc/kernel/cmdline)" | |
50 | else | |
51 | warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline" | |
52 | CMDLINE="$(cat /proc/cmdline)" | |
53 | fi | |
54 | ||
0b3c3df6 SI |
55 | cat "${ESP_LIST}" | while IFS= read -r uuid; do |
56 | if ! (echo "${uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then | |
57 | warn "WARN: ${uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping" | |
58 | continue | |
59 | fi | |
b17a1cf3 | 60 | |
0b3c3df6 SI |
61 | path="/dev/disk/by-uuid/$uuid" |
62 | if [ ! -e "${path}" ]; then | |
63 | warn "WARN: ${path} does not exist - clean ${ESP_LIST}! - skipping" | |
64 | continue | |
65 | fi | |
b17a1cf3 | 66 | |
0b3c3df6 | 67 | mountpoint="${MOUNTROOT}/${uuid}" |
b17a1cf3 SI |
68 | mkdir -p "${mountpoint}" |
69 | mount "${path}" "${mountpoint}" || \ | |
0b3c3df6 | 70 | { warn "mount of ${path} failed - skipping"; continue; } |
e3928378 | 71 | if [ ! -f "${mountpoint}/$PMX_LOADER_CONF" ]; then |
b17a1cf3 SI |
72 | warn "${path} contains no loader.conf - skipping" |
73 | continue | |
74 | fi | |
e3928378 FG |
75 | if [ ! -d "${mountpoint}/$PMX_ESP_DIR" ]; then |
76 | warn "${path}/$PMX_ESP_DIR does not exist- skipping" | |
b17a1cf3 SI |
77 | continue |
78 | fi | |
79 | ||
80 | warn "Copying and configuring kernels on ${path}" | |
81 | copy_and_config_kernels "${mountpoint}" | |
82 | remove_old_kernels "${mountpoint}" | |
83 | ||
84 | umount "${mountpoint}" || \ | |
0b3c3df6 | 85 | { warn "umount of ${path} failed - failure"; exit 2; } |
b17a1cf3 SI |
86 | |
87 | rmdir "${mountpoint}" | |
88 | done | |
89 | ||
90 | } | |
91 | ||
92 | copy_and_config_kernels() { | |
93 | esp="$1" | |
94 | ||
95 | ||
96 | for kver in ${BOOT_KVERS}; do | |
97 | ||
98 | linux_image="/boot/vmlinuz-${kver}" | |
99 | initrd="/boot/initrd.img-${kver}" | |
100 | ||
101 | if [ ! -f "${linux_image}" ]; then | |
102 | warn "No linux-image ${linux_image} found - skipping" | |
103 | continue | |
104 | fi | |
105 | if [ ! -f "${initrd}" ]; then | |
106 | warn "No initrd-image ${initrd} found - skipping" | |
107 | continue | |
108 | fi | |
109 | ||
110 | warn " Copying kernel and creating boot-entry for ${kver}" | |
111 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
112 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
113 | mkdir -p "${KERNEL_LIVE_DIR}" | |
114 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
115 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
116 | ||
117 | # create loader entry | |
118 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
119 | title Proxmox | |
120 | version ${kver} | |
121 | options ${CMDLINE} | |
122 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
123 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
124 | EOF | |
125 | done | |
126 | ||
127 | } | |
128 | ||
129 | remove_old_kernels() { | |
130 | esp="$1" | |
131 | ||
132 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
133 | if [ ! -d "${kerneldir}" ]; then | |
134 | warn " ${kerneldir} is not a directory - skipping" | |
135 | continue | |
136 | fi | |
137 | ||
138 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
139 | ||
140 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
141 | warn " Removing old version ${kver}" | |
142 | rm -rf "${kerneldir}" | |
143 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
144 | done | |
145 | ||
146 | } | |
147 | ||
148 | set -- $DEB_MAINT_PARAMS | |
149 | mode="${1#\'}" | |
150 | mode="${mode%\'}" | |
151 | case $0:$mode in | |
152 | # Only run on postinst configure and postrm remove, to avoid wasting | |
153 | # time by calling update-grub multiple times on upgrade and removal. | |
154 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
155 | # kernel packages. | |
156 | */postinst.d/*:|*/postinst.d/*:configure|*/postrm.d/*:|*/postrm.d/*:remove) | |
157 | update_esps | |
158 | ;; | |
159 | esac | |
160 | ||
161 | exit 0 |