feat: add homelab deployment configs, documentation, and automation scripts

scripts/deploy_node_exporter.py

@@ -0,0 +1,72 @@
+import paramiko
+
+c = paramiko.SSHClient()
+c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+c.connect('140.44.4.11', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
+
+def run(cmd):
+    _, o, e = c.exec_command(cmd)
+    return o.read().decode().strip()
+
+test_script = """
+cat << 'EOF' | kubectl apply -f -
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: node-exporter
+  namespace: kube-system
+  labels:
+    app.kubernetes.io/name: node-exporter
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: node-exporter
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: node-exporter
+    spec:
+      hostNetwork: true
+      hostPID: true
+      tolerations:
+        - operator: "Exists"
+      containers:
+        - name: node-exporter
+          image: prom/node-exporter:v1.8.2
+          args:
+            - "--path.procfs=/host/proc"
+            - "--path.sysfs=/host/sys"
+            - "--path.rootfs=/host/root"
+            - "--web.listen-address=0.0.0.0:9100"
+          ports:
+            - name: metrics
+              containerPort: 9100
+              hostPort: 9100
+          volumeMounts:
+            - name: proc
+              mountPath: /host/proc
+              readOnly: true
+            - name: sys
+              mountPath: /host/sys
+              readOnly: true
+            - name: root
+              mountPath: /host/root
+              readOnly: true
+      volumes:
+        - name: proc
+          hostPath:
+            path: /proc
+        - name: sys
+          hostPath:
+            path: /sys
+        - name: root
+          hostPath:
+            path: /
+EOF
+
+kubectl rollout status daemonset/node-exporter -n kube-system --timeout=60s
+"""
+
+print(run(test_script))
+c.close()
+