391 lines
17 KiB
Bash
Executable File
391 lines
17 KiB
Bash
Executable File
#!/usr/bin/env sh
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# ============================================================================
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# NetBird Observability — Telegraf Node Installer (Linux)
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#
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# Installiert Telegraf als systemd-Dienst und verbindet die Node fest mit dem
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# zentralen Collector auf dem imac (Prometheus Remote Write + Loki) im NetBird.
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#
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# Unterstützt: Debian/Ubuntu/Proxmox VE (apt), RHEL/Rocky/Alma/Fedora (dnf/yum),
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# Alpine (apk, OpenRC), sonstige Linux via statischem Binary.
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# Architekturen: amd64 / x86_64, arm64 / aarch64, armv7.
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# Windows: install.ps1 verwenden.
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#
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# Nutzung (als root):
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# curl -fsSL https://gitea.m-m.bio/mm/netbird-telegraf-installer/raw/branch/main/install.sh | sh -s -- --name <node-name>
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# Optionen:
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# --name <n> Node-Name (Default: hostname -s)
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# --token <t> Bearer-Token des Reverse-Proxys (Pflicht)
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# --collector <ip> Direktweg im NetBird statt Reverse Proxy
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# --role <r> Zusatz-Profil: proxmox | apache | docker | none (Default: auto)
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# --pve-token <t> Proxmox API-Token 'user@pve!name=secret' (nur --role proxmox)
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# --pve-node <n> Name des PVE-Knotens im PVE-Baum (Default: per pvesh erkannt)
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# --pve-url <u> PVE-API-URL (Default: https://127.0.0.1:8006/api2/json)
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# --apache-log <p> Apache-Access-Log (Default: /var/log/apache2/access.log)
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# --uninstall Telegraf + Konfiguration entfernen
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# ============================================================================
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set -eu
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# Ausgang ueber den NetBird-Reverse-Proxy: funktioniert auch fuer Hosts, die
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# KEIN NetBird-Peer sind (Büro-LAN, Kundenlaptop, CGNAT). Token erforderlich.
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PROM_URL_DEFAULT="https://imac-prometheus.x05.idx.wf/api/v1/write"
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LOKI_URL_DEFAULT="https://imac-loki.x05.idx.wf"
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COLLECTOR="${COLLECTOR:-}" # nur setzen fuer den Direktweg im NetBird
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TELEGRAF_TOKEN="${TELEGRAF_TOKEN:-}"
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NODE_NAME="${NODE_NAME:-$(hostname -s 2>/dev/null || hostname)}"
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ROLE="auto"
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PVE_TOKEN="${PVE_TOKEN:-}"
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PVE_NODE="${PVE_NODE:-}"
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PVE_URL="${PVE_URL:-}"
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APACHE_LOG="/var/log/apache2/access.log"
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TELEGRAF_VERSION="${TELEGRAF_VERSION:-1.40.0}"
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REPO_RAW="https://gitea.m-m.bio/mm/netbird-telegraf-installer/raw/branch/main"
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UNINSTALL=0
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while [ $# -gt 0 ]; do
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case "$1" in
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--name) NODE_NAME="$2"; shift 2 ;;
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--collector) COLLECTOR="${2:-}"; shift 2 ;;
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--token) TELEGRAF_TOKEN="$2"; shift 2 ;;
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--role) ROLE="$2"; shift 2 ;;
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--pve-token) PVE_TOKEN="$2"; shift 2 ;;
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--pve-node) PVE_NODE="$2"; shift 2 ;;
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--pve-url) PVE_URL="$2"; shift 2 ;;
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--apache-log) APACHE_LOG="$2"; shift 2 ;;
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--uninstall) UNINSTALL=1; shift ;;
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-h|--help) sed -n '2,24p' "$0"; exit 0 ;;
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*) echo "Unbekannte Option: $1" >&2; exit 2 ;;
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esac
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done
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log() { printf '\033[1;34m[netbird-telegraf]\033[0m %s\n' "$*"; }
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die() { printf '\033[1;31m[netbird-telegraf] FEHLER:\033[0m %s\n' "$*" >&2; exit 1; }
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[ "$(id -u)" -eq 0 ] || die "Bitte als root ausführen (sudo)."
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[ -n "$TELEGRAF_TOKEN" ] || die "Kein Token: --token <Bearer-Token> angeben (siehe README)."
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if [ -n "${COLLECTOR:-}" ]; then
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PROM_URL="http://$COLLECTOR:9090/api/v1/write"; LOKI_URL="http://$COLLECTOR:3100"
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log "Direktweg im NetBird: Collector $COLLECTOR"
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else
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PROM_URL="$PROM_URL_DEFAULT"; LOKI_URL="$LOKI_URL_DEFAULT"
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fi
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# --------------------------------------------------------------------------
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# Uninstall
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# --------------------------------------------------------------------------
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if [ "$UNINSTALL" -eq 1 ]; then
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log "Entferne Telegraf …"
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systemctl disable --now telegraf 2>/dev/null || rc-service telegraf stop 2>/dev/null || true
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if command -v apt-get >/dev/null; then apt-get remove -y telegraf >/dev/null 2>&1 || true
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elif command -v dnf >/dev/null; then dnf remove -y telegraf >/dev/null 2>&1 || true
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elif command -v yum >/dev/null; then yum remove -y telegraf >/dev/null 2>&1 || true
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elif command -v apk >/dev/null; then apk del telegraf >/dev/null 2>&1 || true
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fi
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rm -rf /etc/telegraf /usr/local/bin/telegraf /etc/systemd/system/telegraf.service
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systemctl daemon-reload 2>/dev/null || true
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log "Fertig."
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exit 0
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fi
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# --------------------------------------------------------------------------
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# Erkennung: OS, Arch, Rolle
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# --------------------------------------------------------------------------
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OS_ID="unknown"; [ -r /etc/os-release ] && . /etc/os-release && OS_ID="${ID:-unknown}"
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ARCH_RAW="$(uname -m)"
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case "$ARCH_RAW" in
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x86_64|amd64) ARCH="amd64" ;;
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aarch64|arm64) ARCH="arm64" ;;
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armv7l|armhf) ARCH="armhf" ;;
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*) die "Architektur $ARCH_RAW wird nicht unterstützt." ;;
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esac
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IS_PVE=0; command -v pveversion >/dev/null 2>&1 && IS_PVE=1
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HAS_DOCKER=0; [ -S /var/run/docker.sock ] && HAS_DOCKER=1
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GPU="none"
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if command -v nvidia-smi >/dev/null 2>&1 && nvidia-smi -L >/dev/null 2>&1; then
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GPU="nvidia"
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elif command -v rocm-smi >/dev/null 2>&1; then
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GPU="amd"
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elif [ -e /dev/dri/renderD128 ]; then
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GPU="intel"
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fi
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HAS_APACHE=0; { command -v apache2ctl >/dev/null 2>&1 || command -v httpd >/dev/null 2>&1; } && HAS_APACHE=1
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if [ "$ROLE" = "auto" ]; then
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ROLE="none"
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[ "$IS_PVE" -eq 1 ] && ROLE="proxmox"
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fi
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log "Node=$NODE_NAME OS=$OS_ID Arch=$ARCH Rolle=$ROLE Docker=$HAS_DOCKER Apache=$HAS_APACHE GPU=$GPU Collector=$COLLECTOR"
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# --------------------------------------------------------------------------
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# Erreichbarkeit des Collectors (NetBird Lazy Connection: erst anklopfen)
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# --------------------------------------------------------------------------
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if command -v curl >/dev/null; then
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HOST_OF_URL="$(printf '%s' "$PROM_URL" | sed -E 's#^https?://([^/:]+).*#\1#')"
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ping -c1 -W2 "$HOST_OF_URL" >/dev/null 2>&1 || true # NetBird Lazy Connection wecken
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if curl -fsS -m 10 -H "Authorization: Bearer $TELEGRAF_TOKEN" "${PROM_URL%/api/v1/write}/-/ready" >/dev/null 2>&1; then
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log "Collector erreichbar (auth ok): $PROM_URL"
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else
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log "WARNUNG: $PROM_URL nicht erreichbar oder Token falsch — Installation läuft weiter, Telegraf puffert und retried."
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fi
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fi
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# --------------------------------------------------------------------------
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# Installation
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# --------------------------------------------------------------------------
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install_apt() {
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command -v gpg >/dev/null || { apt-get update -qq; apt-get install -y -qq gnupg >/dev/null; }
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command -v curl >/dev/null || apt-get install -y -qq curl >/dev/null
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mkdir -p /etc/apt/keyrings
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curl -fsSL https://repos.influxdata.com/influxdata-archive.key | gpg --dearmor --yes -o /etc/apt/keyrings/influxdata-archive.gpg
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echo "deb [signed-by=/etc/apt/keyrings/influxdata-archive.gpg] https://repos.influxdata.com/debian stable main" > /etc/apt/sources.list.d/influxdata.list
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apt-get update -qq
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq telegraf >/dev/null
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}
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install_rpm() {
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cat > /etc/yum.repos.d/influxdata.repo <<'EOF'
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[influxdata]
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name = InfluxData Repository - Stable
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baseurl = https://repos.influxdata.com/stable/$basearch/main
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enabled = 1
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gpgcheck = 1
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gpgkey = https://repos.influxdata.com/influxdata-archive.key
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EOF
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if command -v dnf >/dev/null; then dnf install -y -q telegraf; else yum install -y -q telegraf; fi
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}
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install_static() {
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command -v curl >/dev/null || die "curl fehlt."
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TB="telegraf-${TELEGRAF_VERSION}_linux_${ARCH}.tar.gz"
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log "Statisches Binary $TB …"
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TMP="$(mktemp -d)"
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curl -fsSL "https://dl.influxdata.com/telegraf/releases/$TB" -o "$TMP/t.tgz"
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tar -xzf "$TMP/t.tgz" -C "$TMP"
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install -m 0755 "$TMP"/telegraf-*/usr/bin/telegraf /usr/local/bin/telegraf
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rm -rf "$TMP"
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id telegraf >/dev/null 2>&1 || useradd -r -s /usr/sbin/nologin -d /etc/telegraf telegraf 2>/dev/null || adduser -S -D -H -s /sbin/nologin telegraf
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if command -v rc-update >/dev/null; then
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cat > /etc/init.d/telegraf <<'EOF'
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#!/sbin/openrc-run
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description="Telegraf"
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command=/usr/local/bin/telegraf
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command_args="--config /etc/telegraf/telegraf.conf --config-directory /etc/telegraf/telegraf.d"
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command_user=telegraf
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command_background=true
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pidfile=/run/telegraf.pid
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start_pre() { set -a; [ -r /etc/default/telegraf ] && . /etc/default/telegraf; set +a; }
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depend() { need net; }
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EOF
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chmod +x /etc/init.d/telegraf
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return
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fi
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mkdir -p /etc/systemd/system
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cat > /etc/systemd/system/telegraf.service <<'EOF'
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[Unit]
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Description=Telegraf
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After=network-online.target
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Wants=network-online.target
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[Service]
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User=telegraf
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EnvironmentFile=-/etc/default/telegraf
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ExecStart=/usr/local/bin/telegraf --config /etc/telegraf/telegraf.conf --config-directory /etc/telegraf/telegraf.d
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Restart=on-failure
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RestartSec=5s
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[Install]
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WantedBy=multi-user.target
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EOF
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}
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if command -v telegraf >/dev/null 2>&1 || [ -x /usr/local/bin/telegraf ]; then
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log "Telegraf bereits installiert ($(telegraf --version 2>/dev/null || /usr/local/bin/telegraf --version))."
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else
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case "$OS_ID" in
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debian|ubuntu|raspbian|linuxmint|pop) install_apt ;;
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rhel|centos|rocky|almalinux|fedora|ol) install_rpm ;;
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alpine) apk add --no-cache -q curl ca-certificates; install_static ;;
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*) if command -v apt-get >/dev/null; then install_apt
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elif command -v dnf >/dev/null || command -v yum >/dev/null; then install_rpm
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else install_static; fi ;;
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esac
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fi
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# --------------------------------------------------------------------------
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# Konfiguration
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# --------------------------------------------------------------------------
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# Proxmox-Parameter VOR dem Schreiben der Konfiguration ermitteln
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if [ "$ROLE" = "proxmox" ]; then
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[ -n "$PVE_NODE" ] || PVE_NODE="$(pvesh get /nodes --output-format json 2>/dev/null | sed -n 's/.*"node":"\([^"]*\)".*/\1/p' | head -1)"
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[ -n "$PVE_NODE" ] || PVE_NODE="$NODE_NAME"
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[ -n "$PVE_URL" ] || PVE_URL="https://127.0.0.1:8006/api2/json"
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log "Proxmox: node_name=$PVE_NODE base_url=$PVE_URL"
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fi
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mkdir -p /etc/telegraf/telegraf.d /etc/default
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umask 077
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cat > /etc/default/telegraf <<EOF
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NODE_NAME=$NODE_NAME
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COLLECTOR=${COLLECTOR:-}
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PROM_URL=$PROM_URL
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LOKI_URL=$LOKI_URL
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TELEGRAF_TOKEN=$TELEGRAF_TOKEN
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PVE_TOKEN=$PVE_TOKEN
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PVE_NODE=$PVE_NODE
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PVE_URL=$PVE_URL
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APACHE_LOG=$APACHE_LOG
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EOF
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umask 022
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fetch() { curl -fsSL "$REPO_RAW/$1" -o "$2" || die "Download $1 fehlgeschlagen."; }
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# Holt eine Conf und ersetzt ${...}-Platzhalter aus /etc/default/telegraf.
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fetch_conf() {
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fetch "$1" "$2.tmp"
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set -a; [ -r /etc/default/telegraf ] && . /etc/default/telegraf; set +a
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envsubst '${NODE_NAME} ${PROM_URL} ${LOKI_URL} ${TELEGRAF_TOKEN} ${PVE_TOKEN} ${PVE_NODE} ${PVE_URL} ${APACHE_LOG}' < "$2.tmp" > "$2"
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if grep -q '\${' "$2"; then
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log "WARNUNG: $2 enthaelt noch unaufgeloeste Platzhalter:"
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grep -o '\${[A-Z_]*}' "$2" | sort -u >&2
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fi
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rm -f "$2.tmp"
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}
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fetch_conf telegraf/base.conf /etc/telegraf/telegraf.conf
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rm -f /etc/telegraf/telegraf.d/*.conf
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[ "$HAS_DOCKER" -eq 1 ] && { fetch telegraf/docker.conf /etc/telegraf/telegraf.d/docker.conf; usermod -aG docker telegraf 2>/dev/null || true; }
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case "$ROLE" in
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proxmox) : # pvesh-Weg braucht keinen Token (siehe unten)
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fetch scripts/proxmox-ve.sh /etc/telegraf/proxmox-ve.sh
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chmod 0755 /etc/telegraf/proxmox-ve.sh
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# pvesh-Weg: braucht keinen Token und keine ACL (laeuft als root)
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cat > /etc/telegraf/telegraf.d/proxmox.conf <<'EOF'
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[[inputs.exec]]
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interval = "30s"
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timeout = "25s"
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data_format = "prometheus"
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commands = ["/etc/telegraf/proxmox-ve.sh"]
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EOF
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log "Proxmox: pvesh-Input aktiv (VM/CT-Metriken, kein API-Token noetig)." ;;
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apache) fetch_conf telegraf/apache.conf /etc/telegraf/telegraf.d/apache.conf; usermod -aG adm telegraf 2>/dev/null || true ;;
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docker|none) ;;
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*) die "Unbekannte Rolle: $ROLE" ;;
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esac
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[ "$HAS_APACHE" -eq 1 ] && [ "$ROLE" != "apache" ] && { fetch_conf telegraf/apache.conf /etc/telegraf/telegraf.d/apache.conf; usermod -aG adm telegraf 2>/dev/null || true; }
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# --- System-Logs (journald) → Loki — nur auf systemd-Systemen ---
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if command -v journalctl >/dev/null 2>&1 && [ -d /run/systemd/system ]; then
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fetch scripts/journal-tail.sh /etc/telegraf/journal-tail.sh
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chmod 0755 /etc/telegraf/journal-tail.sh
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fetch_conf telegraf/journal.conf /etc/telegraf/telegraf.d/journal.conf
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# Zustandsverzeichnis fuer den Journal-Cursor
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mkdir -p /var/lib/telegraf-journal
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if [ "$ROLE" = "proxmox" ]; then
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: # laeuft als root (Drop-in) — voller Journal-Zugriff
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else
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chown telegraf:telegraf /var/lib/telegraf-journal 2>/dev/null || true
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usermod -aG systemd-journal telegraf 2>/dev/null || true
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fi
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log "Journald-Logs aktiv (Warnungen+, inkrementell ueber Cursor)."
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fi
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# --- Node-Info (LAN-IP, NetBird-IP/FQDN, PVE-URL) — auf jeder Node ---
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fetch scripts/node-info.sh /etc/telegraf/node-info.sh
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chmod 0755 /etc/telegraf/node-info.sh
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cat > /etc/telegraf/telegraf.d/nodeinfo.conf <<'EOF'
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[[inputs.exec]]
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interval = "300s"
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timeout = "25s"
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data_format = "prometheus"
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commands = ["/etc/telegraf/node-info.sh"]
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EOF
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log "Node-Info aktiv (LAN-IP, NetBird-IP/FQDN, PVE-URL)."
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# --- GPU (nur wenn erkannt) ---
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# Jeder Block wird NUR geschrieben, wenn das jeweilige Werkzeug wirklich da ist.
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# Ein Input ohne Binary laesst Telegraf beim Start hart scheitern -> alle Metriken aus.
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case "$GPU" in
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nvidia)
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cat > /etc/telegraf/telegraf.d/gpu.conf <<'EOF'
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[[inputs.nvidia_smi]]
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timeout = "10s"
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[inputs.nvidia_smi.tagdrop]
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compute_mode = ["*"]
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EOF
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log "NVIDIA-GPU erkannt: inputs.nvidia_smi aktiv."
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;;
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amd)
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fetch scripts/gpu-rocm.sh /etc/telegraf/gpu-rocm.sh
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chmod 0755 /etc/telegraf/gpu-rocm.sh
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# KEIN name_override: das Script liefert die Metriknamen selbst
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# (gpu_utilization_gpu, gpu_temperature_edge, ...). name_override wuerde
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# alle Werte zu "gpu" kollabieren -> in Prometheus nur noch gpu_value.
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# data_format = prometheus: mit "influx" haengt Telegraf "_value" an den Namen.
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cat > /etc/telegraf/telegraf.d/gpu.conf <<'EOF'
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[[inputs.exec]]
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interval = "30s"
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timeout = "20s"
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data_format = "prometheus"
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commands = ["/etc/telegraf/gpu-rocm.sh"]
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EOF
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log "AMD-GPU erkannt: rocm-smi-exec-Input aktiv."
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;;
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intel)
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# Bewusst KEIN GPU-Input: intel_gpu_top liefert kein Prometheus/Influx-Format
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# und ein nvidia_smi-Block ohne nvidia-smi wuerde Telegraf killen.
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log "Intel-GPU (/dev/dri) erkannt: kein GPU-Input aktiviert (intel_gpu_top wird nicht erfasst)."
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;;
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*) : ;;
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esac
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chown -R telegraf:telegraf /etc/telegraf 2>/dev/null || true
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# Konfig testen
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TG="$(command -v telegraf || echo /usr/local/bin/telegraf)"
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set -a; . /etc/default/telegraf; set +a
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"$TG" --config /etc/telegraf/telegraf.conf --config-directory /etc/telegraf/telegraf.d --test --input-filter cpu:mem >/dev/null 2>&1 || die "Konfiguration ungültig — telegraf --test prüfen."
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# --------------------------------------------------------------------------
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# Dienst
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# --------------------------------------------------------------------------
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# Proxmox-Rolle: pvesh verlangt root. Der InfluxData-Dienst laeuft als User
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# "telegraf" -> das Script liefert dann still nichts. Drop-in auf root.
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if [ "$ROLE" = "proxmox" ] && [ -d /etc/systemd/system ]; then
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mkdir -p /etc/systemd/system/telegraf.service.d
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cat > /etc/systemd/system/telegraf.service.d/10-proxmox-root.conf <<'EOF'
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# pvesh (VM/CT-Metriken) erfordert root-Rechte.
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[Service]
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User=root
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Group=root
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EOF
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log "Proxmox: systemd-Drop-in gesetzt — Dienst laeuft als root (pvesh braucht root)."
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fi
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if command -v systemctl >/dev/null && [ -d /run/systemd/system ]; then
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|
systemctl daemon-reload
|
|
systemctl enable --now telegraf >/dev/null
|
|
systemctl restart telegraf
|
|
sleep 3
|
|
if ! systemctl is-active --quiet telegraf; then
|
|
journalctl -u telegraf -n 20 --no-pager
|
|
# Haeufigste Ursache: ein aktivierter Input, dessen Binary fehlt
|
|
# (z.B. nvidia_smi ohne nvidia-smi). GPU-Conf verwerfen und erneut versuchen.
|
|
if [ -f /etc/telegraf/telegraf.d/gpu.conf ]; then
|
|
log "Start fehlgeschlagen — entferne GPU-Conf und versuche erneut."
|
|
rm -f /etc/telegraf/telegraf.d/gpu.conf
|
|
systemctl reset-failed telegraf 2>/dev/null || true
|
|
systemctl restart telegraf
|
|
sleep 3
|
|
fi
|
|
systemctl is-active --quiet telegraf || die "telegraf läuft nicht. journalctl -u telegraf -n 30 prüfen."
|
|
log "WARNUNG: Telegraf läuft, aber ohne GPU-Metriken (Input-Binary fehlte)."
|
|
fi
|
|
elif command -v systemctl >/dev/null; then
|
|
log "HINWEIS: systemd nicht aktiv (Container/Chroot) — Dienst wird beim nächsten Boot gestartet (enabled)."
|
|
systemctl enable telegraf >/dev/null 2>&1 || true
|
|
elif command -v rc-update >/dev/null; then
|
|
rc-update add telegraf default >/dev/null 2>&1 || true
|
|
rc-service telegraf restart >/dev/null 2>&1 || log "HINWEIS: OpenRC nicht aktiv (Container?) — Dienst beim nächsten Boot."
|
|
fi
|
|
|
|
PROM_BASE="$(printf '%s' "$PROM_URL" | sed -E 's#/api/v1/write/?$##')"
|
|
[ "$GPU" != "none" ] && log "GPU=$GPU erfasst. Hinweis: im Docker-Betrieb muss der GPU-Treiber im Container verfuegbar sein (nvidia-container-toolkit bzw. /dev/dri-Mount); im systemd-Betrieb ist das automatisch der Fall."
|
|
|
|
log "OK — Node '$NODE_NAME' liefert an $PROM_URL (Metriken) und $LOKI_URL (Logs)."
|
|
log "Prüfen: curl -s -H 'Authorization: Bearer <TOKEN>' '$PROM_BASE/api/v1/query?query=system_uptime{node=\"$NODE_NAME\"}'"
|
|
log "Grafana: http://100.83.134.46:3000 (nur im NetBird)"
|