chore: initial commit 🚀

kubernetes/apps/network/envoy-gateway/app/certificate.yaml

@@ -0,0 +1,18 @@
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: "${SECRET_DOMAIN/./-}-production"
+spec:
+  dnsNames:
+    - "${SECRET_DOMAIN}"
+    - "*.${SECRET_DOMAIN}"
+  duration: 160h
+  issuerRef:
+    name: internal-ca
+    kind: ClusterIssuer
+  privateKey:
+    algorithm: ECDSA
+  secretName: "${SECRET_DOMAIN/./-}-production-tls"
+  usages:
+    - digital signature

kubernetes/apps/network/envoy-gateway/app/envoy.yaml

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+---
+apiVersion: gateway.envoyproxy.io/v1alpha1
+kind: EnvoyProxy
+metadata:
+  name: envoy
+spec:
+  logging:
+    level:
+      default: info
+  provider:
+    type: Kubernetes
+    kubernetes:
+      envoyDeployment:
+        replicas: 2
+        container:
+          imageRepository: mirror.gcr.io/envoyproxy/envoy
+          resources:
+            requests:
+              cpu: 100m
+            limits:
+              memory: 1Gi
+      envoyService:
+        externalTrafficPolicy: Cluster
+  shutdown:
+    drainTimeout: 180s
+  telemetry:
+    metrics:
+      prometheus:
+        compression:
+          type: Zstd
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: GatewayClass
+metadata:
+  name: envoy
+spec:
+  controllerName: gateway.envoyproxy.io/gatewayclass-controller
+  parametersRef:
+    group: gateway.envoyproxy.io
+    kind: EnvoyProxy
+    name: envoy
+    namespace: network
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: envoy-internal
+  annotations:
+    external-dns.kubernetes.io/target: internal.${SECRET_DOMAIN}
+spec:
+  gatewayClassName: envoy
+  infrastructure:
+    annotations:
+      external-dns.kubernetes.io/hostname: internal.${SECRET_DOMAIN}
+      lbipam.cilium.io/ips: "192.168.40.11"
+  listeners:
+    - name: http
+      protocol: HTTP
+      port: 80
+      allowedRoutes:
+        namespaces:
+          from: Same
+    - name: https
+      protocol: HTTPS
+      port: 443
+      allowedRoutes:
+        namespaces:
+          from: All
+      tls:
+        certificateRefs:
+          - kind: Secret
+            name: ${SECRET_DOMAIN/./-}-production-tls
+---
+apiVersion: gateway.envoyproxy.io/v1alpha1
+kind: BackendTrafficPolicy
+metadata:
+  name: envoy
+spec:
+  compressor:
+    - type: Zstd
+      zstd: {}
+    - type: Brotli
+      brotli: {}
+    - type: Gzip
+      gzip: {}
+  retry:
+    numRetries: 2
+    retryOn:
+      triggers:
+        - reset
+  targetSelectors:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+  tcpKeepalive: {}
+  timeout:
+    http:
+      requestTimeout: 0s
+---
+apiVersion: gateway.envoyproxy.io/v1alpha1
+kind: ClientTrafficPolicy
+metadata:
+  name: envoy
+spec:
+  clientIPDetection:
+    xForwardedFor:
+      trustedCIDRs:
+        - "10.42.0.0/16"
+  http2:
+    onInvalidMessage: TerminateStream
+  http3: {}
+  targetSelectors:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+  tcpKeepalive: {}
+  tls:
+    minVersion: "1.2"
+    alpnProtocols:
+      - h2
+      - http/1.1
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: https-redirect
+  annotations:
+    external-dns.kubernetes.io/controller: none
+spec:
+  parentRefs:
+    - name: envoy-internal
+      namespace: network
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301

kubernetes/apps/network/envoy-gateway/app/helmrelease.yaml

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+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: envoy-gateway
+spec:
+  chartRef:
+    kind: OCIRepository
+    name: envoy-gateway
+  interval: 1h
+  values:
+    global:
+      imageRegistry: mirror.gcr.io
+    config:
+      envoyGateway:
+        provider:
+          type: Kubernetes
+          kubernetes:
+            deploy:
+              type: GatewayNamespace

kubernetes/apps/network/envoy-gateway/app/kustomization.yaml

@@ -0,0 +1,9 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./certificate.yaml
+  - ./envoy.yaml
+  - ./helmrelease.yaml
+  - ./ocirepository.yaml
+  - ./podmonitor.yaml

kubernetes/apps/network/envoy-gateway/app/ocirepository.yaml

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+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: OCIRepository
+metadata:
+  name: envoy-gateway
+spec:
+  interval: 15m
+  layerSelector:
+    mediaType: application/vnd.cncf.helm.chart.content.v1.tar+gzip
+    operation: copy
+  ref:
+    tag: 1.9.1
+  url: oci://mirror.gcr.io/envoyproxy/gateway-helm

kubernetes/apps/network/envoy-gateway/app/podmonitor.yaml

@@ -0,0 +1,18 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: envoy-proxy
+spec:
+  jobLabel: envoy-proxy
+  namespaceSelector:
+    matchNames:
+      - network
+  podMetricsEndpoints:
+    - port: metrics
+      path: /stats/prometheus
+      honorLabels: true
+  selector:
+    matchLabels:
+      app.kubernetes.io/component: proxy
+      app.kubernetes.io/name: envoy

kubernetes/apps/network/envoy-gateway/ks.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: envoy-gateway
+spec:
+  interval: 1h
+  path: ./kubernetes/apps/network/envoy-gateway/app
+  postBuild:
+    substituteFrom:
+      - name: cluster-secrets
+        kind: Secret
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+    namespace: flux-system
+  targetNamespace: network
+  wait: false