docs: POSTGRES_SETUP.md vollständig aktualisiert — alle 13 Tabellen, Auto-Migration Hinweis, nützliche Abfragen
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# PostgreSQL + TimescaleDB Setup
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Anleitung fuer die Einrichtung von PostgreSQL mit TimescaleDB-Extension auf dem RMM-Backend-Server (your-backend, Debian 13 Trixie).
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Einrichtung von PostgreSQL mit TimescaleDB auf dem RMM-Backend-Server (Debian 13 Trixie).
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> **Hinweis:** Das Backend legt alle Tabellen beim ersten Start **automatisch an** (Auto-Migration inkl. ALTER TABLE für neue Spalten). Das Schema muss **nicht** manuell erstellt werden. Diese Datei dient als Referenz und Installationsanleitung.
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---
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## 1. PostgreSQL installieren
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```bash
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# Debian-Pakete
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apt update
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apt install -y postgresql postgresql-contrib postgresql-common
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# Dienst starten und aktivieren
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systemctl enable postgresql
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systemctl start postgresql
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# Version pruefen
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# Version prüfen (Trixie liefert PG17)
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psql --version
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# Erwartet: psql (PostgreSQL) 17.x (Debian 13 Trixie liefert PG17)
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```
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---
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## 2. TimescaleDB installieren
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```bash
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# TimescaleDB APT-Repository hinzufuegen
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# Repository einrichten
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apt install -y curl gnupg
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curl -s https://packagecloud.io/install/repositories/timescale/timescaledb/script.deb.sh | bash
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# Bookworm-Repo verwenden (Trixie-Repo existiert noch nicht)
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echo "deb https://packagecloud.io/timescale/timescaledb/debian/ bookworm main" \
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> /etc/apt/sources.list.d/timescaledb.list
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curl -sL https://packagecloud.io/timescale/timescaledb/gpgkey | gpg --dearmor > /etc/apt/trusted.gpg.d/timescaledb.gpg
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curl -sL https://packagecloud.io/timescale/timescaledb/gpgkey | \
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gpg --dearmor > /etc/apt/trusted.gpg.d/timescaledb.gpg
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apt update
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# WICHTIG: Version muss zur installierten PG-Version passen
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# Pruefen: dpkg -l | grep postgresql-17 → z.B. 17.8
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# Dann passende TimescaleDB-Version installieren:
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# Passende Version zu PG17 installieren
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apt install -y timescaledb-2-loader-postgresql-17=2.25.1~debian12-1708 \
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timescaledb-2-postgresql-17=2.25.1~debian12-1708
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# shared_preload_libraries setzen
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# In postgresql.conf aktivieren
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sed -i "s/#shared_preload_libraries = ''/shared_preload_libraries = 'timescaledb'/" \
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/etc/postgresql/17/main/postgresql.conf
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# PostgreSQL neustarten
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systemctl restart postgresql
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```
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---
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## 3. Datenbank und User anlegen
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```bash
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# Als postgres User
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sudo -u postgres psql
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```
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```sql
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-- Datenbank anlegen
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sudo -u postgres psql << 'EOF'
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CREATE DATABASE rmm;
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-- User anlegen (Passwort anpassen!)
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CREATE USER rmm WITH PASSWORD 'YOUR_DB_PASSWORD';
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-- Rechte vergeben
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CREATE USER rmm WITH PASSWORD 'SICHERES_PASSWORT';
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GRANT ALL PRIVILEGES ON DATABASE rmm TO rmm;
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-- In die rmm-Datenbank wechseln
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\c rmm
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-- Schema-Rechte
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GRANT ALL ON SCHEMA public TO rmm;
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-- TimescaleDB Extension aktivieren
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CREATE EXTENSION IF NOT EXISTS timescaledb;
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-- Pruefen
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\dx
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-- Sollte timescaledb in der Liste zeigen
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\q
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EOF
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```
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## 4. pg_hba.conf anpassen (lokaler Zugriff)
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---
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## 4. pg_hba.conf anpassen
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```bash
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# Zeile hinzufuegen (lokaler TCP-Zugriff fuer rmm User)
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echo "host rmm rmm 127.0.0.1/32 scram-sha-256" >> /etc/postgresql/17/main/pg_hba.conf
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# PostgreSQL neu laden
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systemctl reload postgresql
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```
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---
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## 5. Verbindung testen
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```bash
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psql -h 127.0.0.1 -U rmm -d rmm -c "SELECT version();"
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# Passwort: YOUR_DB_PASSWORD
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psql -h 127.0.0.1 -U rmm -d rmm -c "SELECT extname, extversion FROM pg_extension WHERE extname = 'timescaledb';"
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# Sollte timescaledb mit Version zeigen
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```
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## 6. Schema anlegen
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---
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Das Backend legt die Tabellen automatisch beim Start an (Auto-Migration). Die Struktur:
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## 6. Schema (Referenz — wird automatisch angelegt)
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### Relationale Tabellen
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### `agents` — Agent-Registry
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```sql
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-- Agent-Registry
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CREATE TABLE IF NOT EXISTS agents (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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hostname TEXT NOT NULL,
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ip TEXT NOT NULL,
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opnsense_version TEXT NOT NULL DEFAULT '',
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registered_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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last_heartbeat TIMESTAMPTZ
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CREATE TABLE agents (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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hostname TEXT NOT NULL,
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ip TEXT NOT NULL,
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opnsense_version TEXT NOT NULL DEFAULT '',
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agent_version TEXT NOT NULL DEFAULT '',
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platform TEXT NOT NULL DEFAULT 'freebsd',
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registered_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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last_heartbeat TIMESTAMPTZ,
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customer_id INTEGER REFERENCES customers(id),
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update_requested BOOLEAN NOT NULL DEFAULT FALSE
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);
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CREATE INDEX idx_agents_customer ON agents(customer_id);
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```
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-- Config-Backups (versioniert, dedupliziert nach Hash)
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CREATE TABLE IF NOT EXISTS config_backups (
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id SERIAL PRIMARY KEY,
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agent_id TEXT NOT NULL REFERENCES agents(id) ON DELETE CASCADE,
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hash TEXT NOT NULL,
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size INTEGER NOT NULL,
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config_xml TEXT NOT NULL,
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### `customers` — Kundenstammdaten
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```sql
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CREATE TABLE customers (
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id SERIAL PRIMARY KEY,
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number TEXT NOT NULL UNIQUE, -- z.B. "K05068"
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name TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_config_backups_agent ON config_backups(agent_id, created_at DESC);
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CREATE INDEX IF NOT EXISTS idx_config_backups_hash ON config_backups(agent_id, hash);
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```
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### TimescaleDB Hypertable (Metriken)
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### `users` — Frontend-Benutzer
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```sql
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-- Metriken-Tabelle
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CREATE TABLE IF NOT EXISTS metrics (
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time TIMESTAMPTZ NOT NULL,
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agent_id TEXT NOT NULL,
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metric TEXT NOT NULL, -- z.B. 'cpu_usage', 'memory_used_percent', 'disk_used_percent'
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value DOUBLE PRECISION NOT NULL,
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tags JSONB -- z.B. {"interface":"igb0"}, {"disk":"/dev/ada0"}
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CREATE TABLE users (
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id SERIAL PRIMARY KEY,
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username TEXT NOT NULL UNIQUE,
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password_hash TEXT NOT NULL, -- bcrypt
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display_name TEXT NOT NULL DEFAULT '',
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role TEXT NOT NULL DEFAULT 'admin',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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last_login TIMESTAMPTZ
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);
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-- In Hypertable umwandeln (automatische Partitionierung nach Zeit)
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SELECT create_hypertable('metrics', 'time', if_not_exists => TRUE);
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-- Index fuer schnelle Agent+Metrik-Abfragen
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CREATE INDEX IF NOT EXISTS idx_metrics_agent_metric ON metrics(agent_id, metric, time DESC);
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-- Standard-Admin: admin / Start!123 (beim ersten Backend-Start angelegt)
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```
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### Systemdaten-Snapshots (aktueller Zustand)
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### `system_data` — Aktueller Systemzustand pro Agent
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```sql
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-- Aktueller Snapshot der vollstaendigen Systemdaten (JSON)
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CREATE TABLE IF NOT EXISTS system_data (
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agent_id TEXT PRIMARY KEY REFERENCES agents(id) ON DELETE CASCADE,
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data_json JSONB NOT NULL,
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CREATE TABLE system_data (
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agent_id TEXT PRIMARY KEY REFERENCES agents(id) ON DELETE CASCADE,
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data_json JSONB NOT NULL,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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```
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## 7. Retention Policies einrichten
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### `config_backups` — Versionierte OPNsense-Configs
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```sql
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-- Metriken aelter als 90 Tage automatisch loeschen
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SELECT add_retention_policy('metrics', INTERVAL '90 days');
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-- Optional: Continuous Aggregate fuer stuendliche Durchschnitte
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CREATE MATERIALIZED VIEW metrics_hourly
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WITH (timescaledb.continuous) AS
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SELECT
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time_bucket('1 hour', time) AS bucket,
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agent_id,
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metric,
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AVG(value) AS avg_value,
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MIN(value) AS min_value,
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MAX(value) AS max_value,
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COUNT(*) AS sample_count
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FROM metrics
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GROUP BY bucket, agent_id, metric
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WITH NO DATA;
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-- Automatisch aktualisieren
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SELECT add_continuous_aggregate_policy('metrics_hourly',
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start_offset => INTERVAL '3 hours',
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end_offset => INTERVAL '1 hour',
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schedule_interval => INTERVAL '1 hour'
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CREATE TABLE config_backups (
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id SERIAL PRIMARY KEY,
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agent_id TEXT NOT NULL REFERENCES agents(id) ON DELETE CASCADE,
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hash TEXT NOT NULL, -- SHA256 (Deduplizierung)
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size INTEGER NOT NULL,
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config_xml TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Stuendliche Aggregate 1 Jahr behalten
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SELECT add_retention_policy('metrics_hourly', INTERVAL '365 days');
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CREATE INDEX idx_config_backups_agent ON config_backups(agent_id, created_at DESC);
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CREATE INDEX idx_config_backups_hash ON config_backups(agent_id, hash);
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```
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## 8. Compression aktivieren (optional, spart Speicher)
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### `agent_events` — Online/Offline-Ereignisse
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```sql
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-- Compression fuer Metriken aelter als 7 Tage
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CREATE TABLE agent_events (
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id SERIAL PRIMARY KEY,
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agent_id TEXT NOT NULL REFERENCES agents(id) ON DELETE CASCADE,
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event_type TEXT NOT NULL, -- "online","offline","stale","connected","disconnected"
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message TEXT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_agent_events_agent ON agent_events(agent_id, created_at DESC);
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```
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### `agent_firmware` — Agent-Binaries
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```sql
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CREATE TABLE agent_firmware (
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version TEXT NOT NULL,
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platform TEXT NOT NULL DEFAULT 'freebsd', -- "freebsd","linux","windows"
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hash TEXT NOT NULL, -- SHA256
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binary_data BYTEA NOT NULL,
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uploaded_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE (version, platform)
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);
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```
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### `tasks` — Task-Scheduler
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```sql
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CREATE TABLE tasks (
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id SERIAL PRIMARY KEY,
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agent_id TEXT NOT NULL REFERENCES agents(id) ON DELETE CASCADE,
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name TEXT DEFAULT '',
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action TEXT NOT NULL, -- "update","backup","reboot",...
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status TEXT NOT NULL DEFAULT 'scheduled',
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schedule_type TEXT DEFAULT 'once', -- "once","daily","weekly","monthly"
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schedule_time TEXT DEFAULT '02:00',
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schedule_weekday INT, -- 0=So..6=Sa
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schedule_monthday INT, -- 1-31
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reboot BOOLEAN DEFAULT FALSE,
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health_check BOOLEAN DEFAULT FALSE,
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health_check_timeout INT DEFAULT 600,
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active BOOLEAN DEFAULT TRUE,
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scheduled_at TIMESTAMPTZ NOT NULL,
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started_at TIMESTAMPTZ,
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finished_at TIMESTAMPTZ,
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last_run TIMESTAMPTZ,
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next_run TIMESTAMPTZ,
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run_count INT DEFAULT 0,
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result JSONB,
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webhook_url TEXT,
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webhook_sent BOOLEAN DEFAULT FALSE,
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webhook_response TEXT,
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created_by TEXT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_tasks_status_scheduled ON tasks(status, scheduled_at);
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CREATE INDEX idx_tasks_active_next_run ON tasks(active, next_run) WHERE active = TRUE;
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```
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### `api_keys` — API-Keys
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```sql
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CREATE TABLE api_keys (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL,
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key TEXT NOT NULL UNIQUE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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last_used TIMESTAMPTZ
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);
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```
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### `installers` — OPNsense Plugin-Pakete
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```sql
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CREATE TABLE installers (
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id SERIAL PRIMARY KEY,
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platform TEXT NOT NULL UNIQUE,
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filename TEXT NOT NULL,
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data BYTEA NOT NULL,
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sha256 TEXT NOT NULL,
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size INTEGER NOT NULL,
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uploaded_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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```
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### `audit_log` — Audit-Protokoll
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```sql
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CREATE TABLE audit_log (
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id SERIAL PRIMARY KEY,
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timestamp TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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user_name TEXT NOT NULL,
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action TEXT NOT NULL,
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target_type TEXT,
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target_id TEXT,
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target_name TEXT,
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details TEXT,
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source_ip TEXT
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);
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CREATE INDEX idx_audit_log_timestamp ON audit_log(timestamp DESC);
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```
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### `system_settings` — Backend-Einstellungen
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```sql
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CREATE TABLE system_settings (
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key TEXT PRIMARY KEY, -- "backend_url_internal","backend_url_external","api_key"
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value TEXT NOT NULL,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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```
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### `metrics` — TimescaleDB Hypertable
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```sql
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CREATE TABLE metrics (
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time TIMESTAMPTZ NOT NULL,
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agent_id TEXT NOT NULL,
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metric TEXT NOT NULL,
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value DOUBLE PRECISION NOT NULL,
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tags JSONB
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);
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SELECT create_hypertable('metrics', 'time', if_not_exists => TRUE);
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CREATE INDEX idx_metrics_agent_metric ON metrics(agent_id, metric, time DESC);
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-- Retention: Rohdaten nach 90 Tagen löschen
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SELECT add_retention_policy('metrics', INTERVAL '90 days');
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-- Compression: Daten älter als 7 Tage komprimieren
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ALTER TABLE metrics SET (
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timescaledb.compress,
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timescaledb.compress_segmentby = 'agent_id, metric',
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timescaledb.compress_orderby = 'time DESC'
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);
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SELECT add_compression_policy('metrics', INTERVAL '7 days');
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```
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## 9. Backend-Konfiguration
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---
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In der `config.yaml` des Backends:
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```yaml
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# Alte SQLite-Config entfernen:
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# db_path: "rmm.db"
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# Neue PostgreSQL-Config:
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database:
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host: "127.0.0.1"
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port: 5432
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user: "rmm"
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password: "YOUR_DB_PASSWORD"
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dbname: "rmm"
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sslmode: "disable"
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```
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## 10. Metriken die der Agent sendet
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Bei jedem Heartbeat (alle 60s) werden folgende Metriken geschrieben:
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| Metrik | Beschreibung | Tags |
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|--------|-------------|------|
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| `cpu_usage` | CPU-Auslastung in Prozent | — |
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| `memory_used_percent` | RAM-Nutzung in Prozent | — |
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| `memory_used_bytes` | RAM genutzt in Bytes | — |
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| `memory_total_bytes` | RAM gesamt in Bytes | — |
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| `disk_used_percent` | Disk-Belegung pro Mountpoint | `{"mountpoint":"/", "dataset":"zroot/ROOT"}` |
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| `uptime_seconds` | Uptime in Sekunden | — |
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| `interface_rx_bytes` | Empfangene Bytes pro Interface | `{"interface":"igb0"}` |
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| `interface_tx_bytes` | Gesendete Bytes pro Interface | `{"interface":"igb0"}` |
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| `gateway_rtt_ms` | Gateway RTT in ms | `{"gateway":"WAN_GW"}` |
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| `gateway_loss_percent` | Gateway Paketverlust | `{"gateway":"WAN_GW"}` |
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## Nuetzliche Abfragen
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## 7. Nützliche Abfragen
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```sql
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-- CPU-Auslastung der letzten 24h (5-Minuten-Durchschnitt)
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SELECT time_bucket('5 minutes', time) AS t,
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agent_id,
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AVG(value) AS cpu_avg
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FROM metrics
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WHERE metric = 'cpu_usage'
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AND time > NOW() - INTERVAL '24 hours'
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GROUP BY t, agent_id
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ORDER BY t;
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-- Alle Agents mit Status
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SELECT id, name, hostname, ip, opnsense_version, agent_version,
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last_heartbeat,
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CASE
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WHEN last_heartbeat > NOW() - INTERVAL '2 min' THEN 'online'
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WHEN last_heartbeat > NOW() - INTERVAL '5 min' THEN 'stale'
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ELSE 'offline'
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END AS status
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FROM agents ORDER BY name;
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-- Aktuelle Werte aller Agents
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SELECT DISTINCT ON (agent_id, metric)
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agent_id, metric, value, time
|
||||
-- CPU-Auslastung letzte 24h (5-Minuten-Durchschnitt)
|
||||
SELECT time_bucket('5 minutes', time) AS t, agent_id, AVG(value) AS cpu_avg
|
||||
FROM metrics
|
||||
ORDER BY agent_id, metric, time DESC;
|
||||
WHERE metric = 'cpu_usage' AND time > NOW() - INTERVAL '24 hours'
|
||||
GROUP BY t, agent_id ORDER BY t;
|
||||
|
||||
-- Disk-Warnung: > 80% belegt
|
||||
SELECT agent_id, tags->>'mountpoint' AS mount,
|
||||
value AS used_percent, time
|
||||
SELECT agent_id, tags->>'mountpoint' AS mount, value AS used_pct, time
|
||||
FROM metrics
|
||||
WHERE metric = 'disk_used_percent'
|
||||
AND value > 80
|
||||
WHERE metric = 'disk_used_percent' AND value > 80
|
||||
AND time > NOW() - INTERVAL '1 hour'
|
||||
ORDER BY value DESC;
|
||||
|
||||
-- Offene Tasks
|
||||
SELECT t.id, a.name AS agent, t.action, t.status, t.scheduled_at, t.webhook_url
|
||||
FROM tasks t JOIN agents a ON t.agent_id = a.id
|
||||
WHERE t.status IN ('scheduled','running')
|
||||
ORDER BY t.scheduled_at;
|
||||
|
||||
-- Datenbankgrösse
|
||||
SELECT pg_size_pretty(pg_database_size('rmm')) AS db_size;
|
||||
SELECT relname AS tabelle, pg_size_pretty(pg_total_relation_size(relid)) AS groesse
|
||||
FROM pg_catalog.pg_statio_user_tables ORDER BY pg_total_relation_size(relid) DESC;
|
||||
```
|
||||
|
||||
## Zusammenfassung
|
||||
---
|
||||
|
||||
| Komponente | Zweck |
|
||||
|-----------|-------|
|
||||
| PostgreSQL 17 | Relationale Daten (Agents, Backups) |
|
||||
| TimescaleDB 2.x | Time-Series Metriken (CPU, RAM, Disk, ...) |
|
||||
| `agents` | Agent-Registry |
|
||||
| `config_backups` | Versionierte Firewall-Configs |
|
||||
| `system_data` | Aktueller JSON-Snapshot |
|
||||
| `metrics` | Hypertable mit 60s-Aufloesung |
|
||||
| `metrics_hourly` | Continuous Aggregate (1h) |
|
||||
| Retention | Raw: 90 Tage, Hourly: 365 Tage |
|
||||
| Compression | Nach 7 Tagen automatisch |
|
||||
## Übersicht
|
||||
|
||||
| Tabelle | Typ | Beschreibung |
|
||||
|---------|-----|-------------|
|
||||
| `agents` | Relational | Agent-Registry |
|
||||
| `customers` | Relational | Kundenstammdaten |
|
||||
| `users` | Relational | Frontend-Benutzer |
|
||||
| `system_data` | Relational | Aktueller Systemzustand (JSONB) |
|
||||
| `config_backups` | Relational | Versionierte OPNsense-Configs |
|
||||
| `agent_events` | Relational | Online/Offline-Ereignisse |
|
||||
| `agent_firmware` | Relational | Agent-Binaries pro Plattform |
|
||||
| `tasks` | Relational | Task-Scheduler mit Webhook |
|
||||
| `api_keys` | Relational | API-Keys |
|
||||
| `installers` | Relational | OPNsense Plugin-Pakete |
|
||||
| `audit_log` | Relational | Audit-Protokoll |
|
||||
| `system_settings` | Relational | Backend-Einstellungen (Key/Value) |
|
||||
| `metrics` | TimescaleDB | Zeitreihen (CPU, RAM, Disk, Network, Gateway) |
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user