mirror of
https://github.com/bashclub/lxc-apt-upgrade.git
synced 2024-11-07 22:31:58 +01:00
44 lines
1.5 KiB
Bash
44 lines
1.5 KiB
Bash
#!/bin/bash
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#
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# Updates all running lxc containers on a proxmox host
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PATH="/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin"
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prog="$(basename "$0")"
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usage() {
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cat >&2 <<-EOF
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usage: $prog [-h] [-e EXCLUDELIST]
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installs a preconfigured lxc container on your proxmox server
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-e EXCLUDELIST list of container ids to exclude from backup (separator: |)
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-h displays this help text
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---------------------------------------------------------------------------
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(C) 2021 lxc-update by bashclub (https://github.com/bashclub)
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---------------------------------------------------------------------------
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EOF
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exit $1
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}
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condition="grep running"
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while getopts "hi:s:c:" opt; do
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case $opt in
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h) usage 0 ;;
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e) condition="$condition | grep -vE '$OPTARG'" ;;
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*) usage 1 ;;
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esac
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done
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shift $((OPTIND-1))
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ctlist=$(pct list | $condition | cut -d' ' -f1)
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for ct in $ctlist; do
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for vol in $(pct config $ct | grep -E "^rootfs|^mp[0-9]+" | cut -d ' ' -f2 | cut -d',' -f1); do
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snapvols="$snapvols $(pvesm path $vol | cut -d'/' -f2-)";
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done
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zfs-auto-snapshot --quiet --syslog --label=lxc-auto-update --keep=2 --pre-snapshot=$(pct shutdown $ct && while [[ "$(pct status $ct)" == "status: running" ]];do sleep .1; echo "waiting for shutdown of ct $ct"; done) --post-snapshot=$(pct start $ct) $snapvols
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pct exec $ct /usr/bin/apt update
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pct exec $ct -- bash -c "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical /usr/bin/apt -y -qq dist-upgrade"
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snapvols=
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done
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