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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 | |
f879b040 TL |
34 | LOADER_TITLE="Proxmox Virtual Environment" |
35 | if [ -d /usr/share/doc/proxmox-mailgateway/ ]; then | |
36 | LOADER_TITLE="Proxmox Mailgateway" | |
37 | fi | |
38 | ||
0b3c3df6 SI |
39 | potential_esps(){ |
40 | lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT | | |
41 | awk '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}' | |
42 | } | |
b17a1cf3 SI |
43 | |
44 | update_esps() { | |
0b3c3df6 | 45 | if [ ! -f "${ESP_LIST}" ]; then |
5b03b1fd FG |
46 | warn "No ${ESP_LIST} found, skipping ESP sync." |
47 | exit 0 | |
0b3c3df6 | 48 | fi |
2d87fee5 FG |
49 | if [ -f /etc/kernel/cmdline ]; then |
50 | CMDLINE="$(cat /etc/kernel/cmdline)" | |
51 | else | |
52 | warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline" | |
86cdbeb5 | 53 | # remove initrd entries |
1a72195a | 54 | CMDLINE="$(awk '{ gsub(/\yinitrd=([0-9a-zA-Z\/\\._-])*\s*/, ""); print $0 }' /proc/cmdline)" |
2d87fee5 FG |
55 | fi |
56 | ||
401a69c9 FG |
57 | loop_esp_list update_esp_func |
58 | } | |
b17a1cf3 | 59 | |
401a69c9 FG |
60 | update_esp_func() { |
61 | if ! (echo "${curr_uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then | |
62 | warn "WARN: ${curr_uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping" | |
63 | return | |
64 | fi | |
b17a1cf3 | 65 | |
401a69c9 FG |
66 | path="/dev/disk/by-uuid/$curr_uuid" |
67 | if [ ! -e "${path}" ]; then | |
f43873b2 | 68 | warn "WARN: ${path} does not exist - clean '${ESP_LIST}'! - skipping" |
401a69c9 FG |
69 | return |
70 | fi | |
b17a1cf3 | 71 | |
401a69c9 FG |
72 | mountpoint="${MOUNTROOT}/${curr_uuid}" |
73 | mkdir -p "${mountpoint}" || \ | |
74 | { warn "creation of mountpoint ${mountpoint} failed - skipping"; return; } | |
75 | mount "${path}" "${mountpoint}" || \ | |
76 | { warn "mount of ${path} failed - skipping"; return; } | |
77 | if [ ! -f "${mountpoint}/$PMX_LOADER_CONF" ]; then | |
78 | warn "${path} contains no loader.conf - skipping" | |
79 | return | |
80 | fi | |
81 | if [ ! -d "${mountpoint}/$PMX_ESP_DIR" ]; then | |
82 | warn "${path}/$PMX_ESP_DIR does not exist- skipping" | |
83 | return | |
84 | fi | |
b17a1cf3 | 85 | |
401a69c9 FG |
86 | warn "Copying and configuring kernels on ${path}" |
87 | copy_and_config_kernels "${mountpoint}" | |
88 | remove_old_kernels "${mountpoint}" | |
b17a1cf3 | 89 | |
401a69c9 FG |
90 | umount "${mountpoint}" || \ |
91 | { warn "umount of ${path} failed - failure"; exit 0; } | |
b17a1cf3 | 92 | |
401a69c9 | 93 | rmdir "${mountpoint}" || true |
b17a1cf3 SI |
94 | } |
95 | ||
96 | copy_and_config_kernels() { | |
97 | esp="$1" | |
98 | ||
99 | ||
100 | for kver in ${BOOT_KVERS}; do | |
101 | ||
102 | linux_image="/boot/vmlinuz-${kver}" | |
103 | initrd="/boot/initrd.img-${kver}" | |
104 | ||
105 | if [ ! -f "${linux_image}" ]; then | |
106 | warn "No linux-image ${linux_image} found - skipping" | |
107 | continue | |
108 | fi | |
109 | if [ ! -f "${initrd}" ]; then | |
110 | warn "No initrd-image ${initrd} found - skipping" | |
111 | continue | |
112 | fi | |
113 | ||
114 | warn " Copying kernel and creating boot-entry for ${kver}" | |
115 | KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}" | |
116 | KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}" | |
117 | mkdir -p "${KERNEL_LIVE_DIR}" | |
118 | cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/" | |
119 | cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/" | |
120 | ||
121 | # create loader entry | |
122 | cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF | |
f879b040 | 123 | title ${LOADER_TITLE} |
b17a1cf3 SI |
124 | version ${kver} |
125 | options ${CMDLINE} | |
126 | linux /${KERNEL_ESP_DIR}/vmlinuz-${kver} | |
127 | initrd /${KERNEL_ESP_DIR}/initrd.img-${kver} | |
128 | EOF | |
129 | done | |
130 | ||
131 | } | |
132 | ||
133 | remove_old_kernels() { | |
134 | esp="$1" | |
135 | ||
136 | for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do | |
137 | if [ ! -d "${kerneldir}" ]; then | |
138 | warn " ${kerneldir} is not a directory - skipping" | |
139 | continue | |
140 | fi | |
141 | ||
142 | kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")" | |
143 | ||
144 | echo "${BOOT_KVERS}" | grep -q "${kver}" && continue; | |
145 | warn " Removing old version ${kver}" | |
146 | rm -rf "${kerneldir}" | |
147 | rm -f "${esp}/loader/entries/proxmox-${kver}.conf" | |
148 | done | |
149 | ||
150 | } | |
151 | ||
152 | set -- $DEB_MAINT_PARAMS | |
153 | mode="${1#\'}" | |
154 | mode="${mode%\'}" | |
155 | case $0:$mode in | |
156 | # Only run on postinst configure and postrm remove, to avoid wasting | |
157 | # time by calling update-grub multiple times on upgrade and removal. | |
158 | # Also run if we have no DEB_MAINT_PARAMS, in order to work with old | |
159 | # kernel packages. | |
c2f02a98 | 160 | */postinst.d/*:|*/postinst.d/*:configure) |
cfb0e459 | 161 | reexec_in_mountns "$@" |
c2f02a98 FG |
162 | BOOT_KVERS="$(boot_kernel_list "$@")" |
163 | update_esps | |
164 | ;; | |
165 | */postrm.d/*:|*/postrm.d/*:remove) | |
cfb0e459 | 166 | reexec_in_mountns "$@" |
c2f02a98 FG |
167 | # no newly installed kernel |
168 | BOOT_KVERS="$(boot_kernel_list)" | |
169 | update_esps | |
b17a1cf3 SI |
170 | ;; |
171 | esac | |
172 | ||
173 | exit 0 |