feat: deploy internal/external traefik routers (#119)

deploy traefik for internal and external applications. port forwarding
from the external routers will only occur to the IP of the
traefik-external service.

- traefik-internal and traefik-external added
- each is a different deployment

Reviewed-on: #119

apps/base/traefik-system/gatewayclass-external.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: GatewayClass
+metadata:
+  name: traefik-external
+spec:
+  controllerName: traefik.io/gateway-controller-external

apps/base/traefik-system/gatewayclass-internal.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: GatewayClass
+metadata:
+  name: traefik-internal
+spec:
+  controllerName: traefik.io/gateway-controller-internal

apps/base/traefik-system/kustomization.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - namespace.yaml
+  - gatewayclass-internal.yaml
+  - gatewayclass-external.yaml

apps/base/traefik-system/namespace.yaml

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

apps/overlays/au-syd1/traefik-system/kustomization.yaml

@@ -0,0 +1,24 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../../base/traefik-system
+
+helmCharts:
+  - name: traefik
+    repo: https://artifactapi.k8s.syd1.au.unkin.net/api/v1/virtual/helm
+    version: "40.0.0"
+    releaseName: traefik-internal
+    namespace: traefik-system
+    valuesFile: values-internal.yaml
+    apiVersions:
+      - policy/v1/PodDisruptionBudget
+  - name: traefik
+    repo: https://artifactapi.k8s.syd1.au.unkin.net/api/v1/virtual/helm
+    version: "40.0.0"
+    releaseName: traefik-external
+    namespace: traefik-system
+    valuesFile: values-external.yaml
+    apiVersions:
+      - policy/v1/PodDisruptionBudget

apps/overlays/au-syd1/traefik-system/values-external.yaml

@@ -0,0 +1,86 @@
+image:
+  tag: v3.7.0
+
+additionalArguments:
+  - "--providers.kubernetesgateway.controllername=traefik.io/gateway-controller-external"
+
+podDisruptionBudget:
+  enabled: true
+  maxUnavailable: 1
+
+gateway:
+  enabled: false
+
+gatewayClass:
+  enabled: false
+
+updateStrategy:
+  type: RollingUpdate
+  rollingUpdate:
+    maxUnavailable: 1
+
+providers:
+  kubernetesCRD:
+    enabled: false
+  kubernetesIngress:
+    enabled: false
+  kubernetesGateway:
+    enabled: true
+    experimentalChannel: false
+    namespaces: []
+    nativeLBByDefault: false
+
+logs:
+  access:
+    enabled: true
+
+global:
+  checkNewVersion: true
+  sendAnonymousUsage: false
+  notAppendXForwardedFor: false
+
+service:
+  enabled: true
+  single: true
+  annotations:
+    purelb.io/service-group: "dmz"
+    purelb.io/addresses: 198.18.199.0
+  annotationsTCP: {}
+  annotationsUDP: {}
+  labels: {}
+  spec:
+    type: LoadBalancer
+    loadBalancerIP: "198.18.199.0"
+  additionalServices: {}
+
+autoscaling:
+  enabled: true
+  minReplicas: 2
+  maxReplicas: 5
+  metrics: []
+  behavior: {}
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: "{{ template \"traefik.fullname\" . }}"
+
+persistence:
+  enabled: false
+
+affinity:
+  podAntiAffinity:
+    requiredDuringSchedulingIgnoredDuringExecution:
+      - labelSelector:
+          matchLabels:
+            app.kubernetes.io/name: '{{ template "traefik.name" . }}'
+            app.kubernetes.io/instance: '{{ .Release.Name }}-{{ include "traefik.namespace" . }}'
+        topologyKey: kubernetes.io/hostname
+
+podSecurityContext:
+  runAsGroup: 65532
+  runAsNonRoot: true
+  runAsUser: 65532
+  seccompProfile:
+    type: RuntimeDefault
+
+enabled: true

apps/overlays/au-syd1/traefik-system/values-internal.yaml

@@ -0,0 +1,86 @@
+image:
+  tag: v3.7.0
+
+additionalArguments:
+  - "--providers.kubernetesgateway.controllername=traefik.io/gateway-controller-internal"
+
+podDisruptionBudget:
+  enabled: true
+  maxUnavailable: 1
+
+gateway:
+  enabled: false
+
+gatewayClass:
+  enabled: false
+
+updateStrategy:
+  type: RollingUpdate
+  rollingUpdate:
+    maxUnavailable: 1
+
+providers:
+  kubernetesCRD:
+    enabled: false
+  kubernetesIngress:
+    enabled: false
+  kubernetesGateway:
+    enabled: true
+    experimentalChannel: false
+    namespaces: []
+    nativeLBByDefault: false
+
+logs:
+  access:
+    enabled: true
+
+global:
+  checkNewVersion: true
+  sendAnonymousUsage: false
+  notAppendXForwardedFor: false
+
+service:
+  enabled: true
+  single: true
+  annotations:
+    purelb.io/service-group: "common"
+    purelb.io/addresses: 198.18.200.4
+  annotationsTCP: {}
+  annotationsUDP: {}
+  labels: {}
+  spec:
+    type: LoadBalancer
+    loadBalancerIP: "198.18.200.4"
+  additionalServices: {}
+
+autoscaling:
+  enabled: true
+  minReplicas: 2
+  maxReplicas: 5
+  metrics: []
+  behavior: {}
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: "{{ template \"traefik.fullname\" . }}"
+
+persistence:
+  enabled: false
+
+affinity:
+  podAntiAffinity:
+    requiredDuringSchedulingIgnoredDuringExecution:
+      - labelSelector:
+          matchLabels:
+            app.kubernetes.io/name: '{{ template "traefik.name" . }}'
+            app.kubernetes.io/instance: '{{ .Release.Name }}-{{ include "traefik.namespace" . }}'
+        topologyKey: kubernetes.io/hostname
+
+podSecurityContext:
+  runAsGroup: 65532
+  runAsNonRoot: true
+  runAsUser: 65532
+  seccompProfile:
+    type: RuntimeDefault
+
+enabled: true