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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 | 33 | |
0b3c3df6 SI |
34 | potential_esps(){ |
35 | lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
36 | awk '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}' | |
37 | } | |
b17a1cf3 SI |
38 | |
39 | update_esps() { | |
0b3c3df6 | 40 | if [ ! -f "${ESP_LIST}" ]; then |
5b03b1fd FG |
41 | warn "No ${ESP_LIST} found, skipping ESP sync." |
42 | exit 0 | |
0b3c3df6 | 43 | fi |
2d87fee5 FG |
44 | if [ -f /etc/kernel/cmdline ]; then |
45 | CMDLINE="$(cat /etc/kernel/cmdline)" | |
46 | else | |
47 | warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline" | |
48 | CMDLINE="$(cat /proc/cmdline)" | |
49 | fi | |
50 | ||
401a69c9 FG |
51 | loop_esp_list update_esp_func |
52 | } | |
b17a1cf3 | 53 | |
401a69c9 FG |
54 | update_esp_func() { |
55 | if ! (echo "${curr_uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then | |
56 | warn "WARN: ${curr_uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping" | |
57 | return | |
58 | fi | |
b17a1cf3 | 59 | |
401a69c9 FG |
60 | path="/dev/disk/by-uuid/$curr_uuid" |
61 | if [ ! -e "${path}" ]; then | |
62 | warn "WARN: ${path} does not exist - clean ${ESP_LIST}! - skipping" | |
63 | return | |
64 | fi | |
b17a1cf3 | 65 | |
401a69c9 FG |
66 | mountpoint="${MOUNTROOT}/${curr_uuid}" |
67 | mkdir -p "${mountpoint}" || \ | |
68 | { warn "creation of mountpoint ${mountpoint} failed - skipping"; return; } | |
69 | mount "${path}" "${mountpoint}" || \ | |
70 | { warn "mount of ${path} failed - skipping"; return; } | |
71 | if [ ! -f "${mountpoint}/$PMX_LOADER_CONF" ]; then | |
72 | warn "${path} contains no loader.conf - skipping" | |
73 | return | |
74 | fi | |
75 | if [ ! -d "${mountpoint}/$PMX_ESP_DIR" ]; then | |
76 | warn "${path}/$PMX_ESP_DIR does not exist- skipping" | |
77 | return | |
78 | fi | |
b17a1cf3 | 79 | |
401a69c9 FG |
80 | warn "Copying and configuring kernels on ${path}" |
81 | copy_and_config_kernels "${mountpoint}" | |
82 | remove_old_kernels "${mountpoint}" | |
b17a1cf3 | 83 | |
401a69c9 FG |
84 | umount "${mountpoint}" || \ |
85 | { warn "umount of ${path} failed - failure"; exit 0; } | |
b17a1cf3 | 86 | |
401a69c9 | 87 | rmdir "${mountpoint}" || true |
b17a1cf3 SI |
88 | } |
89 | ||
90 | copy_and_config_kernels() { | |
91 | esp="$1" | |
92 | ||
93 | ||
94 | for kver in ${BOOT_KVERS}; do | |
95 | ||
96 | linux_image="/boot/vmlinuz-${kver}" | |
97 | initrd="/boot/initrd.img-${kver}" | |
98 | ||
99 | if [ ! -f "${linux_image}" ]; then | |
100 | warn "No linux-image ${linux_image} found - skipping" | |
101 | continue | |
102 | fi | |
103 | if [ ! -f "${initrd}" ]; then | |
104 | warn "No initrd-image ${initrd} found - skipping" | |
105 | continue | |
106 | fi | |
107 | ||
108 | warn " Copying kernel and creating boot-entry for ${kver}" | |
109 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
110 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
111 | mkdir -p "${KERNEL_LIVE_DIR}" | |
112 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
113 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
114 | ||
115 | # create loader entry | |
116 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
117 | title Proxmox | |
118 | version ${kver} | |
119 | options ${CMDLINE} | |
120 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
121 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
122 | EOF | |
123 | done | |
124 | ||
125 | } | |
126 | ||
127 | remove_old_kernels() { | |
128 | esp="$1" | |
129 | ||
130 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
131 | if [ ! -d "${kerneldir}" ]; then | |
132 | warn " ${kerneldir} is not a directory - skipping" | |
133 | continue | |
134 | fi | |
135 | ||
136 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
137 | ||
138 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
139 | warn " Removing old version ${kver}" | |
140 | rm -rf "${kerneldir}" | |
141 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
142 | done | |
143 | ||
144 | } | |
145 | ||
146 | set -- $DEB_MAINT_PARAMS | |
147 | mode="${1#\'}" | |
148 | mode="${mode%\'}" | |
149 | case $0:$mode in | |
150 | # Only run on postinst configure and postrm remove, to avoid wasting | |
151 | # time by calling update-grub multiple times on upgrade and removal. | |
152 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
153 | # kernel packages. | |
c2f02a98 | 154 | */postinst.d/*:|*/postinst.d/*:configure) |
cfb0e459 | 155 | reexec_in_mountns "$@" |
c2f02a98 FG |
156 | BOOT_KVERS="$(boot_kernel_list "$@")" |
157 | update_esps | |
158 | ;; | |
159 | */postrm.d/*:|*/postrm.d/*:remove) | |
cfb0e459 | 160 | reexec_in_mountns "$@" |
c2f02a98 FG |
161 | # no newly installed kernel |
162 | BOOT_KVERS="$(boot_kernel_list)" | |
163 | update_esps | |
b17a1cf3 SI |
164 | ;; |
165 | esac | |
166 | ||
167 | exit 0 |