feat(k8s/archmirror): add Arch Linux mirror stack

kubernetes/app/archmirror/configmap-nginx.yaml

@@ -0,0 +1,38 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: archmirror-nginx-config
+  namespace: archmirror
+data:
+  nginx.conf: |
+    events {
+        worker_connections 1024;
+    }
+
+    http {
+        include /etc/nginx/mime.types;
+        default_type application/octet-stream;
+
+        sendfile on;
+        gzip on;
+
+        server {
+            listen 80;
+            root /usr/share/nginx/html;
+
+            location /archlinux/ {
+                alias /usr/share/nginx/html/archlinux/;
+                autoindex on;
+            }
+
+            location = / {
+                return 301 /archlinux/;
+            }
+
+            location /health {
+                return 200 "OK\n";
+                add_header Content-Type text/plain;
+            }
+        }
+    }

kubernetes/app/archmirror/configmap-sync.yaml

@@ -0,0 +1,42 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: archmirror-sync-script
+  namespace: archmirror
+data:
+  sync.sh: |
+    #!/bin/sh
+    set -e
+
+    TARGET_DIR="/archlinux"
+    MAX_RETRIES=3
+
+    log() {
+        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" >&2
+    }
+
+    if [ -z "$MIRROR_URL" ]; then
+        log "ERROR: MIRROR_URL not set"
+        exit 1
+    fi
+
+    mkdir -p "$TARGET_DIR"
+    for i in $(seq 1 $MAX_RETRIES); do
+        log "Sync attempt $i/$MAX_RETRIES from $MIRROR_URL"
+
+        if rsync --timeout=7200 \
+                 -rlptH --safe-links --delete-delay --delay-updates \
+                 -v --info=progress2 \
+                 "$MIRROR_URL/" "$TARGET_DIR/"; then
+            log "Sync completed successfully"
+            exit 0
+        fi
+
+        if [ "$i" -lt "$MAX_RETRIES" ]; then
+            sleep $((i * 300))
+        fi
+    done
+
+    log "All sync attempts failed"
+    exit 1

kubernetes/app/archmirror/cronjob-sync.yaml

@@ -0,0 +1,54 @@
+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: archmirror-sync
+  namespace: archmirror
+  labels:
+    app: archmirror-sync
+spec:
+  schedule: "0 */6 * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 3
+  jobTemplate:
+    spec:
+      backoffLimit: 1
+      activeDeadlineSeconds: 14400
+      template:
+        metadata:
+          labels:
+            app: archmirror-sync
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: rsync
+              image: alpine:3.21
+              command:
+                - sh
+                - -c
+                - apk add --no-cache rsync && sh /scripts/sync.sh
+              env:
+                - name: MIRROR_URL
+                  value: ${ARCHMIRROR_MIRROR_URL}
+              volumeMounts:
+                - name: data
+                  mountPath: /archlinux
+                - name: sync-script
+                  mountPath: /scripts
+                  readOnly: true
+              resources:
+                requests:
+                  cpu: 100m
+                  memory: 128Mi
+                limits:
+                  cpu: "1"
+                  memory: 512Mi
+          volumes:
+            - name: data
+              persistentVolumeClaim:
+                claimName: archmirror-data
+            - name: sync-script
+              configMap:
+                name: archmirror-sync-script
+                defaultMode: 0755

kubernetes/app/archmirror/deployment.yaml

@@ -0,0 +1,64 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: archmirror
+  namespace: archmirror
+  labels:
+    app: archmirror
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: archmirror
+  template:
+    metadata:
+      labels:
+        app: archmirror
+    spec:
+      containers:
+        - name: nginx
+          image: nginx:1.27-alpine
+          ports:
+            - containerPort: 80
+              name: http
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              port: 80
+              path: /health
+            initialDelaySeconds: 5
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            httpGet:
+              port: 80
+              path: /health
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 5
+          resources:
+            requests:
+              cpu: 50m
+              memory: 64Mi
+            limits:
+              cpu: 500m
+              memory: 128Mi
+          volumeMounts:
+            - name: data
+              mountPath: /usr/share/nginx/html/archlinux
+              readOnly: true
+            - name: nginx-config
+              mountPath: /etc/nginx/nginx.conf
+              subPath: nginx.conf
+              readOnly: true
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: archmirror-data
+        - name: nginx-config
+          configMap:
+            name: archmirror-nginx-config

kubernetes/app/archmirror/ingress.yaml

@@ -0,0 +1,20 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: archmirror
+  namespace: archmirror
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+    - host: ${ARCHMIRROR_HOST}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: archmirror
+                port:
+                  number: 80

kubernetes/app/archmirror/namespace.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: archmirror

kubernetes/app/archmirror/networkpolicy.yaml

@@ -0,0 +1,29 @@
+---
+# Default deny all ingress in the archmirror namespace
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: default-deny-ingress
+  namespace: archmirror
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress
+---
+# Allow Traefik ingress controller to reach nginx
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-ingress-controller
+  namespace: archmirror
+spec:
+  podSelector:
+    matchLabels:
+      app: archmirror
+  policyTypes:
+    - Ingress
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik

kubernetes/app/archmirror/pv.yaml

@@ -0,0 +1,18 @@
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: archmirror-data-nfs
+spec:
+  capacity:
+    storage: 200Gi
+  accessModes:
+    - ReadWriteMany
+  storageClassName: ""
+  persistentVolumeReclaimPolicy: Retain
+  mountOptions:
+    - hard
+    - nointr
+  nfs:
+    server: synology.storage.lviv
+    path: ${ARCHMIRROR_NFS_PATH}

kubernetes/app/archmirror/pvc.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: archmirror-data
+  namespace: archmirror
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: ""
+  volumeName: archmirror-data-nfs
+  resources:
+    requests:
+      storage: 200Gi

kubernetes/app/archmirror/service.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: archmirror
+  namespace: archmirror
+spec:
+  selector:
+    app: archmirror
+  ports:
+    - name: http
+      port: 80
+      targetPort: 80
+      protocol: TCP