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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 | |
a8dad4e8 FG |
23 | umount "${mount}" || \ |
24 | { warn "umount of ${mount} failed - failure"; exit 0; } | |
b17a1cf3 SI |
25 | fi |
26 | done | |
27 | ||
28 | } | |
29 | ||
30 | trap cleanup EXIT INT TERM QUIT | |
31 | ||
fbf55ac2 | 32 | . /usr/share/pve-kernel-helper/scripts/functions |
b17a1cf3 SI |
33 | |
34 | BOOT_KVERS="$(boot_kernel_list "$@")" | |
35 | ||
0b3c3df6 SI |
36 | potential_esps(){ |
37 | lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
38 | awk '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}' | |
39 | } | |
b17a1cf3 SI |
40 | |
41 | update_esps() { | |
0b3c3df6 | 42 | if [ ! -f "${ESP_LIST}" ]; then |
5b03b1fd FG |
43 | warn "No ${ESP_LIST} found, skipping ESP sync." |
44 | exit 0 | |
0b3c3df6 | 45 | fi |
2d87fee5 FG |
46 | if [ -f /etc/kernel/cmdline ]; then |
47 | CMDLINE="$(cat /etc/kernel/cmdline)" | |
48 | else | |
49 | warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline" | |
50 | CMDLINE="$(cat /proc/cmdline)" | |
51 | fi | |
52 | ||
0b3c3df6 SI |
53 | cat "${ESP_LIST}" | while IFS= read -r uuid; do |
54 | if ! (echo "${uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then | |
55 | warn "WARN: ${uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping" | |
56 | continue | |
57 | fi | |
b17a1cf3 | 58 | |
0b3c3df6 SI |
59 | path="/dev/disk/by-uuid/$uuid" |
60 | if [ ! -e "${path}" ]; then | |
61 | warn "WARN: ${path} does not exist - clean ${ESP_LIST}! - skipping" | |
62 | continue | |
63 | fi | |
b17a1cf3 | 64 | |
0b3c3df6 | 65 | mountpoint="${MOUNTROOT}/${uuid}" |
a8dad4e8 FG |
66 | mkdir -p "${mountpoint}" || \ |
67 | { warn "creation of mountpoint ${mountpoint} failed - skipping"; continue; } | |
b17a1cf3 | 68 | mount "${path}" "${mountpoint}" || \ |
0b3c3df6 | 69 | { warn "mount of ${path} failed - skipping"; continue; } |
e3928378 | 70 | if [ ! -f "${mountpoint}/$PMX_LOADER_CONF" ]; then |
b17a1cf3 SI |
71 | warn "${path} contains no loader.conf - skipping" |
72 | continue | |
73 | fi | |
e3928378 FG |
74 | if [ ! -d "${mountpoint}/$PMX_ESP_DIR" ]; then |
75 | warn "${path}/$PMX_ESP_DIR does not exist- skipping" | |
b17a1cf3 SI |
76 | continue |
77 | fi | |
78 | ||
79 | warn "Copying and configuring kernels on ${path}" | |
80 | copy_and_config_kernels "${mountpoint}" | |
81 | remove_old_kernels "${mountpoint}" | |
82 | ||
83 | umount "${mountpoint}" || \ | |
a8dad4e8 | 84 | { warn "umount of ${path} failed - failure"; exit 0; } |
b17a1cf3 | 85 | |
a8dad4e8 | 86 | rmdir "${mountpoint}" || true |
b17a1cf3 SI |
87 | done |
88 | ||
89 | } | |
90 | ||
91 | copy_and_config_kernels() { | |
92 | esp="$1" | |
93 | ||
94 | ||
95 | for kver in ${BOOT_KVERS}; do | |
96 | ||
97 | linux_image="/boot/vmlinuz-${kver}" | |
98 | initrd="/boot/initrd.img-${kver}" | |
99 | ||
100 | if [ ! -f "${linux_image}" ]; then | |
101 | warn "No linux-image ${linux_image} found - skipping" | |
102 | continue | |
103 | fi | |
104 | if [ ! -f "${initrd}" ]; then | |
105 | warn "No initrd-image ${initrd} found - skipping" | |
106 | continue | |
107 | fi | |
108 | ||
109 | warn " Copying kernel and creating boot-entry for ${kver}" | |
110 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
111 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
112 | mkdir -p "${KERNEL_LIVE_DIR}" | |
113 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
114 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
115 | ||
116 | # create loader entry | |
117 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
118 | title Proxmox | |
119 | version ${kver} | |
120 | options ${CMDLINE} | |
121 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
122 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
123 | EOF | |
124 | done | |
125 | ||
126 | } | |
127 | ||
128 | remove_old_kernels() { | |
129 | esp="$1" | |
130 | ||
131 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
132 | if [ ! -d "${kerneldir}" ]; then | |
133 | warn " ${kerneldir} is not a directory - skipping" | |
134 | continue | |
135 | fi | |
136 | ||
137 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
138 | ||
139 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
140 | warn " Removing old version ${kver}" | |
141 | rm -rf "${kerneldir}" | |
142 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
143 | done | |
144 | ||
145 | } | |
146 | ||
147 | set -- $DEB_MAINT_PARAMS | |
148 | mode="${1#\'}" | |
149 | mode="${mode%\'}" | |
150 | case $0:$mode in | |
151 | # Only run on postinst configure and postrm remove, to avoid wasting | |
152 | # time by calling update-grub multiple times on upgrade and removal. | |
153 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
154 | # kernel packages. | |
155 | */postinst.d/*:|*/postinst.d/*:configure|*/postrm.d/*:|*/postrm.d/*:remove) | |
156 | update_esps | |
157 | ;; | |
158 | esac | |
159 | ||
160 | exit 0 |