Initial commit: Aquarium Logbuch React/Vite App

- React 18 + Vite Frontend - Node.js/Express Backend - Vollstaendige Logbuch-Funktionalitaet fuer Aquarien - Deploy-Script fuer aqualog CT 211 (192.168.0.246)
2026-04-15 09:24:31 +02:00
commit a1f6a21828
11 changed files with 4614 additions and 0 deletions
--- a/postgres-ha-install.sh
+++ b/postgres-ha-install.sh
@@ -0,0 +1,589 @@
+#!/bin/bash
+# =============================================================================
+# PostgreSQL 16 HA Cluster Install Script
+# Proxmox Host: pve-braetter.braetter.local
+#
+# Architektur:
+#   CT 300  sql1     192.168.0.220  PostgreSQL 16 + Patroni + etcd (Leader)
+#   CT 301  sql2     192.168.0.221  PostgreSQL 16 + Patroni + etcd (Replica)
+#   CT 302  sql3     192.168.0.222  PostgreSQL 16 + Patroni + etcd (Replica)
+#   CT 303  pgadmin  192.168.0.223  pgAdmin4 Web (standalone, redundant)
+#
+# Ausführen auf: pve-braetter als root
+#   bash postgres-ha-install.sh
+# =============================================================================
+
+set -e
+
+# --- Farben ---
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
+BLUE='\033[0;34m'; CYAN='\033[0;36m'; BOLD='\033[1m'; NC='\033[0m'
+
+log()  { echo -e "${GREEN}[+]${NC} $1"; }
+info() { echo -e "${BLUE}[i]${NC} $1"; }
+warn() { echo -e "${YELLOW}[!]${NC} $1"; }
+step() { echo -e "\n${BOLD}${CYAN}==> $1${NC}"; }
+fail() { echo -e "${RED}[FEHLER]${NC} $1"; exit 1; }
+
+# =============================================================================
+# KONFIGURATION — hier anpassen falls nötig
+# =============================================================================
+TEMPLATE="Isos:vztmpl/ubuntu-24.04-standard_24.04-2_amd64.tar.zst"
+STORAGE="osdisk"
+BRIDGE="vmbr0"
+GATEWAY="192.168.0.1"
+NAMESERVER="192.168.0.202"
+SEARCHDOMAIN="braetter.local"
+
+# LXC Container
+declare -A CT_ID=([sql1]=300 [sql2]=301 [sql3]=302 [pgadmin]=303)
+declare -A CT_IP=([sql1]=192.168.0.220 [sql2]=192.168.0.221 [sql3]=192.168.0.222 [pgadmin]=192.168.0.223)
+
+# Benutzer
+USER_NICOLAY="nicolay"
+PASS_NICOLAY="N17b011975"
+USER_CLAUDE="claude"
+PASS_CLAUDE="agent"
+
+# PostgreSQL
+PG_VERSION="16"
+PG_SUPERUSER_PASS="postgres_pass"
+PG_REPLICATOR_PASS="replicator_pass"
+PG_REWIND_PASS="rewind_pass"
+
+# Patroni
+PATRONI_SCOPE="pg-cluster"
+PATRONI_NAMESPACE="/db/"
+
+# pgAdmin
+PGADMIN_EMAIL="nicolay.braetter@googlemail.com"
+PGADMIN_PASS="${PASS_NICOLAY}"
+
+# =============================================================================
+
+# Sicherstellen dass wir auf Proxmox laufen
+[[ -f /usr/bin/pct ]] || fail "Dieses Script muss auf dem Proxmox-Host ausgeführt werden!"
+
+# =============================================================================
+step "PHASE 1: LXC Container erstellen"
+# =============================================================================
+
+create_ct() {
+    local name=$1
+    local id=${CT_ID[$name]}
+    local ip=${CT_IP[$name]}
+    local mem=2048
+    [[ "$name" == "pgadmin" ]] && mem=1024
+
+    if pct status $id &>/dev/null; then
+        warn "CT $id ($name) existiert bereits — überspringe Erstellung"
+        pct start $id 2>/dev/null || true
+        return
+    fi
+
+    log "Erstelle CT $id ($name) mit IP $ip..."
+    pct create $id "$TEMPLATE" \
+        --hostname "$name" \
+        --cores 2 \
+        --memory $mem \
+        --swap 512 \
+        --rootfs "${STORAGE}:10" \
+        --net0 "name=eth0,bridge=${BRIDGE},ip=${ip}/24,gw=${GATEWAY}" \
+        --nameserver "$NAMESERVER" \
+        --searchdomain "$SEARCHDOMAIN" \
+        --unprivileged 1 \
+        --features "nesting=1" \
+        --onboot 1
+
+    pct start $id
+    log "CT $id gestartet"
+}
+
+for name in sql1 sql2 sql3 pgadmin; do
+    create_ct "$name"
+done
+
+log "Warte 15 Sekunden auf Boot..."
+sleep 15
+
+# =============================================================================
+step "PHASE 2: Basis-Setup auf allen DB-Nodes (sql1/sql2/sql3)"
+# =============================================================================
+
+wait_for_apt() {
+    local id=$1
+    pct exec $id -- bash -c "
+        while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1 || \
+              fuser /var/lib/apt/lists/lock >/dev/null 2>&1; do
+            echo 'Warte auf apt-Lock...'
+            sleep 3
+        done
+    "
+}
+
+base_setup() {
+    local id=$1
+    local name=$2
+    local ip=$3
+
+    log "Basis-Setup CT $id ($name)..."
+
+    wait_for_apt $id
+
+    pct exec $id -- bash -c "
+        export DEBIAN_FRONTEND=noninteractive
+        apt-get update -qq
+
+        # Benutzer anlegen
+        id ${USER_NICOLAY} &>/dev/null || useradd -m -s /bin/bash -G sudo ${USER_NICOLAY}
+        echo '${USER_NICOLAY}:${PASS_NICOLAY}' | chpasswd
+        id ${USER_CLAUDE} &>/dev/null || useradd -m -s /bin/bash -G sudo ${USER_CLAUDE}
+        echo '${USER_CLAUDE}:${PASS_CLAUDE}' | chpasswd
+
+        # sudo ohne Passwort für beide
+        echo '${USER_NICOLAY} ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/${USER_NICOLAY}
+        echo '${USER_CLAUDE} ALL=(ALL) NOPASSWD:ALL'  > /etc/sudoers.d/${USER_CLAUDE}
+
+        # SSH aktivieren
+        apt-get install -y -qq openssh-server curl wget gnupg lsb-release ca-certificates python3 python3-pip
+        systemctl enable ssh && systemctl start ssh
+
+        # PasswordAuthentication
+        sed -i 's/^#*PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config
+        systemctl restart ssh
+    "
+    log "Basis-Setup $name abgeschlossen"
+}
+
+for name in sql1 sql2 sql3; do
+    base_setup "${CT_ID[$name]}" "$name" "${CT_IP[$name]}" &
+done
+wait
+log "Basis-Setup aller DB-Nodes abgeschlossen"
+
+# =============================================================================
+step "PHASE 3: PostgreSQL 16 installieren (sql1/sql2/sql3)"
+# =============================================================================
+
+install_postgres() {
+    local id=$1
+    local name=$2
+
+    log "Installiere PostgreSQL 16 auf CT $id ($name)..."
+    wait_for_apt $id
+
+    pct exec $id -- bash -c "
+        export DEBIAN_FRONTEND=noninteractive
+
+        # PostgreSQL Repository
+        curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc \
+            | gpg --dearmor -o /usr/share/keyrings/postgresql.gpg
+        echo 'deb [signed-by=/usr/share/keyrings/postgresql.gpg] https://apt.postgresql.org/pub/repos/apt \$(lsb_release -cs)-pgdg main' \
+            > /etc/apt/sources.list.d/pgdg.list
+        apt-get update -qq
+        apt-get install -y -qq postgresql-${PG_VERSION} postgresql-client-${PG_VERSION}
+
+        # PostgreSQL NICHT autostart — Patroni übernimmt die Kontrolle
+        systemctl stop postgresql || true
+        systemctl disable postgresql || true
+
+        # Datenverzeichnis für Patroni vorbereiten
+        rm -rf /var/lib/postgresql/${PG_VERSION}/patroni
+        mkdir -p /var/lib/postgresql/${PG_VERSION}/patroni
+        chown postgres:postgres /var/lib/postgresql/${PG_VERSION}/patroni
+        chmod 700 /var/lib/postgresql/${PG_VERSION}/patroni
+    "
+    log "PostgreSQL 16 auf $name installiert"
+}
+
+for name in sql1 sql2 sql3; do
+    install_postgres "${CT_ID[$name]}" "$name" &
+done
+wait
+log "PostgreSQL 16 auf allen DB-Nodes installiert"
+
+# =============================================================================
+step "PHASE 4: etcd installieren und konfigurieren"
+# =============================================================================
+
+install_etcd() {
+    local id=$1
+    local name=$2
+
+    log "Installiere etcd auf CT $id ($name)..."
+    wait_for_apt $id
+
+    pct exec $id -- bash -c "
+        export DEBIAN_FRONTEND=noninteractive
+        apt-get install -y -qq etcd
+        systemctl stop etcd || true
+        systemctl disable etcd || true
+    "
+    log "etcd auf $name installiert"
+}
+
+for name in sql1 sql2 sql3; do
+    install_etcd "${CT_ID[$name]}" "$name" &
+done
+wait
+
+# etcd konfigurieren — jeder Node bekommt seine eigene Config
+configure_etcd() {
+    local id=$1
+    local name=$2
+    local ip=${CT_IP[$name]}
+
+    log "Konfiguriere etcd auf $name ($ip)..."
+
+    pct exec $id -- bash -c "
+        cat > /etc/default/etcd << 'ETCDEOF'
+ETCD_NAME=\"${name}\"
+ETCD_DATA_DIR=\"/var/lib/etcd/default\"
+ETCD_LISTEN_PEER_URLS=\"http://${ip}:2380\"
+ETCD_LISTEN_CLIENT_URLS=\"http://${ip}:2379,http://127.0.0.1:2379\"
+ETCD_INITIAL_ADVERTISE_PEER_URLS=\"http://${ip}:2380\"
+ETCD_ADVERTISE_CLIENT_URLS=\"http://${ip}:2379\"
+ETCD_INITIAL_CLUSTER=\"sql1=http://${CT_IP[sql1]}:2380,sql2=http://${CT_IP[sql2]}:2380,sql3=http://${CT_IP[sql3]}:2380\"
+ETCD_INITIAL_CLUSTER_TOKEN=\"pg-etcd-cluster\"
+ETCD_INITIAL_CLUSTER_STATE=\"new\"
+ETCD_ENABLE_V2=\"true\"
+ETCDEOF
+
+        # Altes Datenverzeichnis entfernen (Neustart sauber)
+        rm -rf /var/lib/etcd/default
+        mkdir -p /var/lib/etcd/default
+        chown -R etcd:etcd /var/lib/etcd 2>/dev/null || chown -R root:root /var/lib/etcd
+
+        systemctl enable etcd
+    "
+}
+
+for name in sql1 sql2 sql3; do
+    configure_etcd "${CT_ID[$name]}" "$name"
+done
+
+# etcd auf ALLEN Nodes gleichzeitig starten (Quorum-Anforderung!)
+log "Starte etcd Cluster auf allen 3 Nodes gleichzeitig..."
+for name in sql1 sql2 sql3; do
+    pct exec "${CT_ID[$name]}" -- systemctl start etcd &
+done
+wait
+sleep 5
+
+# Gesundheitscheck
+log "Prüfe etcd Cluster-Gesundheit..."
+pct exec 300 -- bash -c "
+    ETCDCTL_API=3 etcdctl \
+        --endpoints=http://${CT_IP[sql1]}:2379,http://${CT_IP[sql2]}:2379,http://${CT_IP[sql3]}:2379 \
+        endpoint health 2>/dev/null || \
+    etcdctl --endpoints=http://127.0.0.1:2379 cluster-health 2>/dev/null || \
+    echo 'etcd läuft (Health-Check-Befehl variiert je nach Version)'
+"
+
+# =============================================================================
+step "PHASE 5: Patroni installieren und konfigurieren"
+# =============================================================================
+
+install_patroni() {
+    local id=$1
+    local name=$2
+
+    log "Installiere Patroni auf CT $id ($name)..."
+    wait_for_apt $id
+
+    pct exec $id -- bash -c "
+        export DEBIAN_FRONTEND=noninteractive
+        apt-get install -y -qq python3-pip python3-dev libpq-dev gcc
+        pip3 install --quiet 'patroni[etcd3]' psycopg2-binary
+    "
+    log "Patroni auf $name installiert"
+}
+
+for name in sql1 sql2 sql3; do
+    install_patroni "${CT_ID[$name]}" "$name" &
+done
+wait
+
+# Patroni konfigurieren
+configure_patroni() {
+    local id=$1
+    local name=$2
+    local ip=${CT_IP[$name]}
+
+    log "Konfiguriere Patroni auf $name ($ip)..."
+
+    pct exec $id -- bash -c "
+        mkdir -p /etc/patroni
+        chown postgres:postgres /etc/patroni
+        chmod 750 /etc/patroni
+
+        cat > /etc/patroni/patroni.yml << 'PATRONIEOF'
+scope: ${PATRONI_SCOPE}
+namespace: ${PATRONI_NAMESPACE}
+name: ${name}
+
+restapi:
+  listen: ${ip}:8008
+  connect_address: ${ip}:8008
+
+etcd3:
+  hosts:
+    - ${CT_IP[sql1]}:2379
+    - ${CT_IP[sql2]}:2379
+    - ${CT_IP[sql3]}:2379
+
+bootstrap:
+  dcs:
+    ttl: 30
+    loop_wait: 10
+    retry_timeout: 10
+    maximum_lag_on_failover: 1048576
+    postgresql:
+      use_pg_rewind: true
+      use_slots: true
+      parameters:
+        wal_level: replica
+        hot_standby: 'on'
+        max_connections: 200
+        max_wal_senders: 10
+        max_replication_slots: 10
+        wal_log_hints: 'on'
+  initdb:
+    - encoding: UTF8
+    - data-checksums
+  pg_hba:
+    - host replication replicator 192.168.0.0/24 md5
+    - host all all 0.0.0.0/0 md5
+  users:
+    admin:
+      password: admin
+      options:
+        - createrole
+        - createdb
+
+postgresql:
+  listen: ${ip}:5432
+  connect_address: ${ip}:5432
+  data_dir: /var/lib/postgresql/${PG_VERSION}/patroni
+  bin_dir: /usr/lib/postgresql/${PG_VERSION}/bin
+  pgpass: /tmp/pgpass0
+  authentication:
+    replication:
+      username: replicator
+      password: ${PG_REPLICATOR_PASS}
+    superuser:
+      username: postgres
+      password: ${PG_SUPERUSER_PASS}
+    rewind:
+      username: rewind_user
+      password: ${PG_REWIND_PASS}
+
+tags:
+  nofailover: false
+  noloadbalance: false
+  clonefrom: false
+  nosync: false
+PATRONIEOF
+
+        chown postgres:postgres /etc/patroni/patroni.yml
+        chmod 640 /etc/patroni/patroni.yml
+
+        # Patroni Systemd Service
+        cat > /etc/systemd/system/patroni.service << 'SVCEOF'
+[Unit]
+Description=Patroni PostgreSQL HA
+After=syslog.target network.target etcd.service
+Wants=etcd.service
+
+[Service]
+Type=simple
+User=postgres
+Group=postgres
+ExecStart=/usr/local/bin/patroni /etc/patroni/patroni.yml
+KillMode=process
+TimeoutSec=30
+Restart=on-failure
+RestartSec=5s
+
+[Install]
+WantedBy=multi-user.target
+SVCEOF
+
+        systemctl daemon-reload
+        systemctl enable patroni
+    "
+}
+
+for name in sql1 sql2 sql3; do
+    configure_patroni "${CT_ID[$name]}" "$name"
+done
+
+# Patroni starten — sql1 zuerst (wird Leader), dann Replicas
+log "Starte Patroni auf sql1 (Leader-Initialisierung)..."
+pct exec "${CT_ID[sql1]}" -- systemctl start patroni
+sleep 20
+
+log "Starte Patroni auf sql2 und sql3 (Replicas)..."
+pct exec "${CT_ID[sql2]}" -- systemctl start patroni &
+pct exec "${CT_ID[sql3]}" -- systemctl start patroni &
+wait
+sleep 15
+
+# Cluster-Status prüfen
+log "Prüfe Patroni Cluster-Status..."
+pct exec "${CT_ID[sql1]}" -- /usr/local/bin/patronictl -c /etc/patroni/patroni.yml list || true
+
+# =============================================================================
+step "PHASE 6: Datenbank-Benutzer und Datenbanken anlegen"
+# =============================================================================
+
+log "Lege Benutzer und Datenbanken an..."
+pct exec "${CT_ID[sql1]}" -- bash -c "
+    # Warte bis PostgreSQL bereit ist
+    for i in \$(seq 1 30); do
+        sudo -u postgres /usr/lib/postgresql/${PG_VERSION}/bin/pg_isready -h ${CT_IP[sql1]} && break
+        sleep 2
+    done
+
+    # Benutzer nicolay
+    sudo -u postgres /usr/lib/postgresql/${PG_VERSION}/bin/psql -h ${CT_IP[sql1]} \
+        -c \"CREATE USER ${USER_NICOLAY} WITH LOGIN PASSWORD '${PASS_NICOLAY}';\" 2>/dev/null || \
+    sudo -u postgres /usr/lib/postgresql/${PG_VERSION}/bin/psql -h ${CT_IP[sql1]} \
+        -c \"ALTER USER ${USER_NICOLAY} WITH PASSWORD '${PASS_NICOLAY}';\"
+
+    # Datenbanken
+    sudo -u postgres /usr/lib/postgresql/${PG_VERSION}/bin/psql -h ${CT_IP[sql1]} \
+        -c \"CREATE DATABASE ${USER_NICOLAY} OWNER ${USER_NICOLAY};\" 2>/dev/null || true
+    sudo -u postgres /usr/lib/postgresql/${PG_VERSION}/bin/psql -h ${CT_IP[sql1]} \
+        -c \"CREATE DATABASE testdb OWNER ${USER_NICOLAY};\" 2>/dev/null || true
+
+    echo 'Benutzer und Datenbanken angelegt'
+"
+
+# =============================================================================
+step "PHASE 7: pgAdmin4 auf separatem LXC (CT 303) installieren"
+# =============================================================================
+
+# Basis-Setup pgAdmin-CT
+log "Basis-Setup CT 303 (pgadmin)..."
+wait_for_apt "${CT_ID[pgadmin]}"
+
+pct exec "${CT_ID[pgadmin]}" -- bash -c "
+    export DEBIAN_FRONTEND=noninteractive
+    apt-get update -qq
+
+    # Benutzer
+    id ${USER_NICOLAY} &>/dev/null || useradd -m -s /bin/bash -G sudo ${USER_NICOLAY}
+    echo '${USER_NICOLAY}:${PASS_NICOLAY}' | chpasswd
+    echo '${USER_NICOLAY} ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/${USER_NICOLAY}
+
+    # SSH
+    apt-get install -y -qq openssh-server curl wget gnupg lsb-release ca-certificates
+    systemctl enable ssh && systemctl start ssh
+    sed -i 's/^#*PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config
+    systemctl restart ssh
+
+    # pgAdmin Repository
+    curl -fsSL https://www.pgadmin.org/static/packages_pgadmin_org.pub \
+        | gpg --dearmor -o /usr/share/keyrings/pgadmin.gpg
+    echo 'deb [signed-by=/usr/share/keyrings/pgadmin.gpg] https://ftp.postgresql.org/pub/pgadmin/pgadmin4/apt/\$(lsb_release -cs) pgadmin4 main' \
+        > /etc/apt/sources.list.d/pgadmin4.list
+    apt-get update -qq
+    apt-get install -y -qq pgadmin4-web apache2
+
+    # pgAdmin Datenbank initialisieren
+    sudo -u www-data /usr/pgadmin4/venv/bin/python3 /usr/pgadmin4/web/setup.py setup-db
+
+    # Admin-Benutzer anlegen
+    sudo -u www-data /usr/pgadmin4/venv/bin/python3 /usr/pgadmin4/web/setup.py add-user \
+        ${PGADMIN_EMAIL} ${PGADMIN_PASS} --admin 2>/dev/null || \
+    echo 'Benutzer bereits vorhanden'
+
+    # Apache konfigurieren
+    a2enconf pgadmin4
+    a2enmod wsgi 2>/dev/null || true
+    systemctl enable apache2
+    systemctl restart apache2
+"
+
+log "pgAdmin4 installiert auf ${CT_IP[pgadmin]}"
+
+# Cluster-Servers in pgAdmin laden
+log "Lade PostgreSQL-Server in pgAdmin..."
+pct exec "${CT_ID[pgadmin]}" -- bash -c "
+    cat > /tmp/pgadmin_servers.json << 'JSONEOF'
+{
+  \"Servers\": {
+    \"1\": {
+      \"Name\": \"sql1 (Leader)\",
+      \"Group\": \"pg-cluster\",
+      \"Host\": \"${CT_IP[sql1]}\",
+      \"Port\": 5432,
+      \"MaintenanceDB\": \"postgres\",
+      \"Username\": \"${USER_NICOLAY}\",
+      \"SSLMode\": \"prefer\",
+      \"Comment\": \"Patroni Leader Node\"
+    },
+    \"2\": {
+      \"Name\": \"sql2 (Replica)\",
+      \"Group\": \"pg-cluster\",
+      \"Host\": \"${CT_IP[sql2]}\",
+      \"Port\": 5432,
+      \"MaintenanceDB\": \"postgres\",
+      \"Username\": \"${USER_NICOLAY}\",
+      \"SSLMode\": \"prefer\",
+      \"Comment\": \"Patroni Replica Node\"
+    },
+    \"3\": {
+      \"Name\": \"sql3 (Replica)\",
+      \"Group\": \"pg-cluster\",
+      \"Host\": \"${CT_IP[sql3]}\",
+      \"Port\": 5432,
+      \"MaintenanceDB\": \"postgres\",
+      \"Username\": \"${USER_NICOLAY}\",
+      \"SSLMode\": \"prefer\",
+      \"Comment\": \"Patroni Replica Node\"
+    }
+  }
+}
+JSONEOF
+
+    sudo -u www-data /usr/pgadmin4/venv/bin/python3 /usr/pgadmin4/web/setup.py \
+        load-servers /tmp/pgadmin_servers.json --user ${PGADMIN_EMAIL}
+"
+
+# =============================================================================
+step "PHASE 8: Abschluss-Prüfung und Report"
+# =============================================================================
+
+echo ""
+echo -e "${BOLD}${GREEN}╔══════════════════════════════════════════════════════════╗${NC}"
+echo -e "${BOLD}${GREEN}║        PostgreSQL HA Cluster — Installation fertig       ║${NC}"
+echo -e "${BOLD}${GREEN}╚══════════════════════════════════════════════════════════╝${NC}"
+echo ""
+
+echo -e "${BOLD}Cluster-Status:${NC}"
+pct exec "${CT_ID[sql1]}" -- /usr/local/bin/patronictl -c /etc/patroni/patroni.yml list 2>/dev/null || \
+    echo "  (patronictl nicht im PATH — manuell prüfen: pct exec 300 -- /usr/local/bin/patronictl -c /etc/patroni/patroni.yml list)"
+
+echo ""
+echo -e "${BOLD}Zugriff:${NC}"
+echo -e "  PostgreSQL (Primary):  ${CT_IP[sql1]}:5432"
+echo -e "  PostgreSQL (Replica):  ${CT_IP[sql2]}:5432 / ${CT_IP[sql3]}:5432"
+echo -e "  pgAdmin4 Web:          http://${CT_IP[pgadmin]}/pgadmin4/"
+echo -e "  Patroni REST sql1:     http://${CT_IP[sql1]}:8008/"
+echo -e "  Patroni REST sql2:     http://${CT_IP[sql2]}:8008/"
+echo -e "  Patroni REST sql3:     http://${CT_IP[sql3]}:8008/"
+echo ""
+echo -e "${BOLD}Anmeldedaten:${NC}"
+echo -e "  pgAdmin:    ${PGADMIN_EMAIL} / ${PGADMIN_PASS}"
+echo -e "  DB-User:    ${USER_NICOLAY} / ${PASS_NICOLAY}"
+echo -e "  DB-Super:   postgres / ${PG_SUPERUSER_PASS}"
+echo -e "  SSH (alle): ${USER_NICOLAY} / ${PASS_NICOLAY}"
+echo ""
+echo -e "${BOLD}Datenbanken:${NC}"
+echo -e "  nicolay, testdb"
+echo ""
+echo -e "${BOLD}Failover-Befehl (manuell):${NC}"
+echo -e "  pct exec 300 -- /usr/local/bin/patronictl -c /etc/patroni/patroni.yml failover ${PATRONI_SCOPE}"
+echo ""