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--- services:prometheus [2026/02/07 00:47] – created - external edit 127.0.0.1
+++ services:prometheus [2026/02/08 08:35] (current) – created - external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Prometheus + Grafana ======
-Infrastructure monitoring with Prometheus and Grafana.
+Metrics Collection und Visualisierung.
-===== Access =====
+===== Details =====
-^ Service ^ URL ^ Port ^
+^ Key ^ Value ^
-| Grafana | [[https://monitoring.home.miskam.xyz]] | 3000 |
+| Container | CT 115 |
-| Prometheus | [[https://prometheus.home.miskam.xyz]] | 9090 |
+| IP | 10.100.161.115 |
-| Container | CT 115 | |
+| Prometheus Port | 9090 |
-| IP | 10.100.161.115 | |
+| Grafana Port | 3000 |
+| RAM | 1 GB |
+| URL | https://monitoring.home.miskam.xyz |
-**Default Login:** admin / admin (change on first login!)
+===== Komponenten =====
-===== Installation =====
+==== Prometheus ====
-==== Container ====
+Time-series Database für Metriken.
-<code bash>
+<code>
-pct create 115 local:vztmpl/debian-12-standard_12.12-1_amd64.tar.zst \
+/opt/prometheus/
-  --hostname monitoring \
+├── prometheus           # Binary
-  --memory 1024 --swap 512 \
+├── prometheus.yml       # Config
-  --cores 2 \
+└── data/                # TSDB
-  --net0 name=eth0,bridge=vmbr0,ip=10.100.161.115/23,gw=10.100.161.254 \
-  --features nesting=1 \
-  --unprivileged 1 \
-  --onboot 1
 </code>
-==== Prometheus ====
+==== Grafana ====
-<code bash>
+Dashboards und Visualisierung.
-useradd --no-create-home --shell /bin/false prometheus
-mkdir -p /etc/prometheus /var/lib/prometheus
-cd /tmp
+<code>
-wget https://github.com/prometheus/prometheus/releases/download/v3.2.1/prometheus-3.2.1.linux-amd64.tar.gz
+/var/lib/grafana/        # Data
-tar xzf prometheus-*.tar.gz
+/etc/grafana/            # Config
-cd prometheus-*/
-cp prometheus promtool /usr/local/bin/
-cp prometheus.yml /etc/prometheus/
-chown -R prometheus:prometheus /etc/prometheus /var/lib/prometheus
 </code>
-Systemd service: /etc/systemd/system/prometheus.service
+===== Targets =====
-==== Grafana ====
+Alle Hosts laufen **node_exporter** auf Port 9100:
-<code bash>
+^ Host ^ IP ^
-apt install -y apt-transport-https software-properties-common
+| prometheus | 10.100.161.115 |
-wget -q -O /usr/share/keyrings/grafana.key https://apt.grafana.com/gpg.key
+| openclaw | 10.100.160.249 |
-echo "deb [signed-by=/usr/share/keyrings/grafana.key] https://apt.grafana.com stable main" > /etc/apt/sources.list.d/grafana.list
+| traefik | 10.100.161.102 |
-apt update && apt install -y grafana
+| postgres | 10.100.161.110 |
-systemctl enable --now grafana-server
+| n8n | 10.100.161.111 |
-</code>
+| vaultwarden | 10.100.161.112 |
+| dokuwiki | 10.100.161.113 |
+| uptime-kuma | 10.100.161.114 |
+| forgejo | 10.100.161.116 |
+| hv-04 | 10.100.160.100 |
-===== Prometheus Config =====
+===== Dashboards =====
-/etc/prometheus/prometheus.yml:
+Empfohlene Grafana Dashboards:
-<code yaml>
+^ Name ^ ID ^
-global:
+| Node Exporter Full | 1860 |
-  scrape_interval: 15s
+| Docker | 893 |
+| PostgreSQL | 9628 |
-scrape_configs:
+Import: Grafana → Dashboards → Import → ID eingeben
-  - job_name: "prometheus"
-    static_configs:
-      - targets: ["localhost:9090"]
-  - job_name: "node"
+===== Service =====
-    static_configs:
-      - targets:
-        - "10.100.161.102:9100"  # traefik
-        - "10.100.160.100:9100"  # hv-04
-        - "10.100.160.249:9100"  # openclaw
-        - "10.100.161.110:9100"  # postgres
-        - "10.100.161.111:9100"  # n8n
-        - "10.100.161.112:9100"  # vaultwarden
-        - "10.100.161.113:9100"  # dokuwiki
-        - "10.100.161.114:9100"  # uptime-kuma
-        - "10.100.161.115:9100"  # monitoring
-</code>
-===== Node Exporter =====
-Installiert auf allen 9 Hosts (Port 9100).
 <code bash>
-wget https://github.com/prometheus/node_exporter/releases/download/v1.9.0/node_exporter-1.9.0.linux-amd64.tar.gz
+systemctl status prometheus grafana-server
-tar xzf node_exporter-*.tar.gz
-cp node_exporter-*/node_exporter /usr/local/bin/
-# + systemd service
-systemctl enable --now node_exporter
 </code>
-===== Grafana Setup =====
+===== Ansible =====
-  - Login: https://monitoring.home.miskam.xyz (admin/admin)
-  - Data Source: Configuration → Data Sources → Prometheus → URL: http://localhost:9090
-  - Dashboard: + → Import → ID 1860 (Node Exporter Full)
-===== Management =====
 <code bash>
-# Status
+ansible-playbook site.yml --limit monitoring
-pct exec 115 -- systemctl status prometheus grafana-server
-# Logs
-pct exec 115 -- journalctl -u prometheus -f
-pct exec 115 -- journalctl -u grafana-server -f
-# Prometheus config reload
-pct exec 115 -- kill -HUP $(pgrep prometheus)
 </code>
-===== Related =====
+===== Links =====
-  * [[services:uptime-kuma|Uptime Kuma]] - Status page
+  * [[https://prometheus.io/docs/|Prometheus Docs]]
-  * [[infrastructure:containers|Containers]] - CT 115 details
+  * [[https://grafana.com/docs/|Grafana Docs]]
+  * [[infrastructure:monitoring|Monitoring Setup]]