From 63d077e1dd50cb0ae9af5c21d951bec1d78c60ad Mon Sep 17 00:00:00 2001
From: Devin Buhl <onedr0p@users.noreply.github.com>
Date: Fri, 13 May 2022 14:03:25 -0400
Subject: [PATCH] feat(cluster): add error-pages (#207)

---
 README.md                                     |  2 +-
 .../networking/error-pages/helm-release.yaml  | 40 +++++++++++++++++++
 .../networking/error-pages/ingress-route.yaml | 19 +++++++++
 .../networking/error-pages/kustomization.yaml |  6 +++
 cluster/apps/networking/kustomization.yaml    |  1 +
 .../traefik/middlewares/error-pages.yaml      | 14 +++++++
 .../traefik/middlewares/kustomization.yaml    |  1 +
 7 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 cluster/apps/networking/error-pages/helm-release.yaml
 create mode 100644 cluster/apps/networking/error-pages/ingress-route.yaml
 create mode 100644 cluster/apps/networking/error-pages/kustomization.yaml
 create mode 100644 cluster/apps/networking/traefik/middlewares/error-pages.yaml

diff --git a/README.md b/README.md
index f3b90cf2..20bb4ebc 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ The following components will be installed in your [k3s](https://k3s.io/) cluste
 - [traefik](https://traefik.io) - Kubernetes ingress controller used for a HTTP reverse proxy of Kubernetes ingresses
 - [local-path-provisioner](https://github.com/rancher/local-path-provisioner) - provision persistent local storage with Kubernetes
 
-_Additional applications include [hajimari](https://github.com/toboshii/hajimari), [echo-server](https://github.com/Ealenn/Echo-Server), [system-upgrade-controller](https://github.com/rancher/system-upgrade-controller), [reflector](https://github.com/emberstack/kubernetes-reflector), and [reloader](https://github.com/stakater/Reloader)_
+_Additional applications include [hajimari](https://github.com/toboshii/hajimari), [error-pages](https://github.com/tarampampam/error-pages), [echo-server](https://github.com/Ealenn/Echo-Server), [system-upgrade-controller](https://github.com/rancher/system-upgrade-controller), [reflector](https://github.com/emberstack/kubernetes-reflector), and [reloader](https://github.com/stakater/Reloader)_
 
 For provisioning the following tools will be used:
 
diff --git a/cluster/apps/networking/error-pages/helm-release.yaml b/cluster/apps/networking/error-pages/helm-release.yaml
new file mode 100644
index 00000000..0964a8d8
--- /dev/null
+++ b/cluster/apps/networking/error-pages/helm-release.yaml
@@ -0,0 +1,40 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  interval: 5m
+  chart:
+    spec:
+      chart: error-pages
+      version: 1.1.2
+      sourceRef:
+        kind: HelmRepository
+        name: k8s-at-home-charts
+        namespace: flux-system
+      interval: 5m
+  dependsOn:
+    - name: traefik
+      namespace: networking
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    image:
+      repository: ghcr.io/tarampampam/error-pages
+      tag: 2.15.0
+    env:
+      TEMPLATE_NAME: lost-in-space
+      SHOW_DETAILS: "false"
+    resources:
+      requests:
+        memory: 100Mi
+        cpu: 100m
+      limits:
+        memory: 250Mi
diff --git a/cluster/apps/networking/error-pages/ingress-route.yaml b/cluster/apps/networking/error-pages/ingress-route.yaml
new file mode 100644
index 00000000..fc38a059
--- /dev/null
+++ b/cluster/apps/networking/error-pages/ingress-route.yaml
@@ -0,0 +1,19 @@
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - kind: Rule
+      match: HostRegexp(`{host:.+}`)
+      priority: 1
+      services:
+        - kind: Service
+          name: error-pages
+          port: 8080
+  tls:
+    secretName: error-pages-tls
diff --git a/cluster/apps/networking/error-pages/kustomization.yaml b/cluster/apps/networking/error-pages/kustomization.yaml
new file mode 100644
index 00000000..c9804eed
--- /dev/null
+++ b/cluster/apps/networking/error-pages/kustomization.yaml
@@ -0,0 +1,6 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - helm-release.yaml
+  - ingress-route.yaml
diff --git a/cluster/apps/networking/kustomization.yaml b/cluster/apps/networking/kustomization.yaml
index e707c83e..2a593b3d 100644
--- a/cluster/apps/networking/kustomization.yaml
+++ b/cluster/apps/networking/kustomization.yaml
@@ -2,6 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - error-pages
   - cloudflare-ddns
   - external-dns
   - k8s-gateway
diff --git a/cluster/apps/networking/traefik/middlewares/error-pages.yaml b/cluster/apps/networking/traefik/middlewares/error-pages.yaml
new file mode 100644
index 00000000..e8c8fe1f
--- /dev/null
+++ b/cluster/apps/networking/traefik/middlewares/error-pages.yaml
@@ -0,0 +1,14 @@
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  errors:
+    status:
+      - "400-599"
+    query: /{status}.html
+    service:
+      name: error-pages
+      port: 8080
diff --git a/cluster/apps/networking/traefik/middlewares/kustomization.yaml b/cluster/apps/networking/traefik/middlewares/kustomization.yaml
index 3fb933ac..6de78198 100644
--- a/cluster/apps/networking/traefik/middlewares/kustomization.yaml
+++ b/cluster/apps/networking/traefik/middlewares/kustomization.yaml
@@ -2,5 +2,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - error-pages.yaml
   - cloudflare-only.yaml
   - internal-only.yaml