From 947dd43c618e208f091948eb6a85f3806b77de5c Mon Sep 17 00:00:00 2001
From: patrick <patrick@perlbach24.de>
Date: Fri, 30 May 2025 00:13:42 +0200
Subject: [PATCH] =?UTF-8?q?miyagi-backup.sh=20hinzugef=C3=BCgt?=
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---
 miyagi-backup.sh | 164 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 miyagi-backup.sh

diff --git a/miyagi-backup.sh b/miyagi-backup.sh
new file mode 100644
index 0000000..870f308
--- /dev/null
+++ b/miyagi-backup.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
+SCRIPT_NAME=$(basename "$0")
+LOGFILE="/var/log/${SCRIPT_NAME%.sh}.log"
+
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" | tee -a "$LOGFILE"
+}
+
+usage() {
+    echo "Usage:"
+    echo "  $0 -c /path/to/config                 # Full backup run"
+    echo "  $0 [function]                         # Run individual function"
+    echo "  $0 help                               # Show available functions"
+    exit 1
+}
+
+# Konfigurationsdatei initialisieren (nur wenn -c übergeben)
+CONFIG_FILE=""
+while getopts "c:" opt; do
+    case "$opt" in
+        c) CONFIG_FILE="$OPTARG" ;;
+        *) usage ;;
+    esac
+done
+
+# Bei Einzelaufruf muss Konfiguration geladen sein
+if [[ -n "${CONFIG_FILE:-}" ]]; then
+    if [[ ! -f "$CONFIG_FILE" ]]; then
+        log "ERROR: Configuration file not found: $CONFIG_FILE"
+        exit 1
+    fi
+    source "$CONFIG_FILE"
+fi
+
+# Funktionen
+
+write_zsync_config() {
+    local conf_file="/etc/bashclub/$SOURCEHOST.conf"
+    log "Writing zsync config to $conf_file"
+    {
+        echo "target=$ZFSTRGT"
+        echo "source=root@$SOURCEHOST"
+        echo "sshport=$SSHPORT"
+        echo "tag=$ZPUSHTAG"
+        echo "snapshot_filter=$ZPUSHFILTER"
+        echo "min_keep=$ZPUSHMINKEEP"
+        echo "zfs_auto_snapshot_keep=$ZPUSHKEEP"
+        echo "zfs_auto_snapshot_label=$ZPUSHLABEL"
+        echo "zfs_auto_snapshot_engine=internal"
+        echo "checkzfs_disabled=0"
+        echo "checkzfs_local=0"
+        echo "checkzfs_prefix=miyagi-$SOURCEHOSTNAME-$(hostname)-$ZPUSHTAG"
+        echo "checkzfs_max_age=1500,2000"
+        echo "checkzfs_max_snapshot_count=180,200"
+        echo "checkzfs_spool=1"
+        echo "checkzfs_spool_maxage=90000"
+    } > "$conf_file"
+}
+
+run_zsync() {
+    if [[ "$ZSYNC" != "no" ]]; then
+        /usr/bin/bashclub-zsync -c "/etc/bashclub/$SOURCEHOST.conf"
+    else
+        log "Zsync is disabled"
+    fi
+}
+
+run_updates() {
+    log "Running updates..."
+    apt update && apt dist-upgrade -y
+    apt autopurge -y
+}
+
+run_remote_updates() {
+    if [[ "$UPDATES" == "yes" ]]; then
+        ssh "$PBSHOST" apt update && apt dist-upgrade -y
+    else
+        log "Remote updates disabled"
+    fi
+}
+
+send_piggyback_data() {
+    local fname="90000_miyagi-$SOURCEHOSTNAME-$(hostname)"
+    log "Sending piggyback data to $SOURCEHOST..."
+    echo "<<<<miyagi-$SOURCEHOSTNAME-$(hostname)>>>" > "$fname"
+    /usr/bin/check_mk_agent >> "$fname"
+    echo "<<<<>>>>" >> "$fname"
+    scp "$fname" "$SOURCEHOST:/var/lib/check_mk_agent/spool/"
+}
+
+run_pbs_backup() {
+    log "Running PBS vzdump job..."
+    ssh root@"$SOURCEHOST" vzdump --pbs-change-detection-mode metadata \
+        --node "$SOURCEHOSTNAME" --storage "$BACKUPSTORE" \
+        --exclude "$BACKUPEXCLUDE" --mode snapshot --all 1 \
+        --notes-template '{{guestname}}'
+
+    if [[ $? -eq 0 ]]; then
+        echo "0 DailyPBS - Daily Backup" > /tmp/cmk_tmp.out
+    else
+        echo "2 DailyPBS - Daily Backup FAILED" > /tmp/cmk_tmp.out
+    fi
+
+    ( echo "<<<local>>>" ; cat /tmp/cmk_tmp.out ) > /tmp/90000_checkpbs
+    scp /tmp/90000_checkpbs root@"$SOURCEHOST":/var/lib/check_mk_agent/spool
+}
+
+run_maintenance() {
+    if [[ "$(date +%u)" == "$MAINTDAY" ]]; then
+        log "Running maintenance..."
+        PRUNEJOB=$(ssh "$PBSHOST" proxmox-backup-manager prune-job list --output-format json-pretty | grep -m 1 "id" | cut -d'"' -f4)
+        ssh root@"$PBSHOST" proxmox-backup-manager prune-job run "$PRUNEJOB"
+        ssh root@"$PBSHOST" proxmox-backup-manager garbage-collection start "$BACKUPSTOREPBS"
+        ssh root@"$PBSHOST" proxmox-backup-manager verify backup
+    else
+        log "No maintenance scheduled for today."
+    fi
+}
+
+run_scrub() {
+    ssh root@"$SOURCEHOST" zpool scrub -s "$ZPOOLSRC"
+    zpool scrub -s "$ZPOOLDST"
+}
+
+shutdown_if_requested() {
+    if [[ "$SHUTDOWN" == "yes" ]]; then
+        send_piggyback_data
+        log "Shutting down now..."
+        shutdown now
+    else
+        log "No shutdown requested."
+    fi
+}
+
+main() {
+    log "Starting full backup routine..."
+
+    SOURCEHOSTNAME=$(ssh "$SOURCEHOST" hostname)
+
+    write_zsync_config
+    run_zsync
+    run_updates
+    run_maintenance
+    run_scrub
+    run_pbs_backup
+    run_remote_updates
+    shutdown_if_requested
+}
+
+# Funktionsbasierter Aufruf
+if [[ "${1:-}" == "help" ]]; then
+    echo "Verfügbare Funktionen:"
+    declare -F | awk '{print " - " $3}' | grep -v "^ - _"
+    exit 0
+elif [[ "${1:-}" =~ ^[a-zA-Z0-9_]+$ && "$(type -t "$1")" == "function" ]]; then
+    shift
+    "$@"
+else
+    main
+fi