64 lines
1.6 KiB
Plaintext
64 lines
1.6 KiB
Plaintext
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#!/bin/sh
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set -e
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update_initramfs() {
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# regenerate initramfs for single file restore VM
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INST_PATH="/usr/lib/x86_64-linux-gnu/proxmox-backup/file-restore"
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CACHE_PATH="/var/cache/proxmox-backup/file-restore-initramfs.img"
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# cleanup first, in case proxmox-file-restore was uninstalled since we do
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# not want an unuseable image lying around
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rm -f "$CACHE_PATH"
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[ -f "$INST_PATH/initramfs.img" ] || \
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echo "proxmox-backup-restore-image is not installed correctly" >2 || \
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exit 1
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echo "Updating file-restore initramfs..."
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# avoid leftover temp file
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cleanup() {
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rm -f "$CACHE_PATH.tmp"
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}
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trap cleanup EXIT
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mkdir -p "/var/cache/proxmox-backup"
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cp "$INST_PATH/initramfs.img" "$CACHE_PATH.tmp"
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# cpio uses passed in path as offset inside the archive as well, so we need
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# to be in the same dir as the daemon binary to ensure it's placed in /
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( cd "$INST_PATH"; \
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printf "./proxmox-restore-daemon" \
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| cpio -o --format=newc -A -F "$CACHE_PATH.tmp" )
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mv -f "$CACHE_PATH.tmp" "$CACHE_PATH"
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trap - EXIT
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}
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case "$1" in
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configure)
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# in case restore daemon was updated
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update_initramfs
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;;
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triggered)
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if [ "$2" = "proxmox-backup-restore-image-update" ]; then
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# in case base-image was updated
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update_initramfs
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else
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echo "postinst called with unknown trigger name: \`$2'" >&2
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fi
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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*)
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echo "postinst called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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exit 0
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