Error pages

Re coop-cloud/organising#115

.drone.yml

@@ -16,8 +16,8 @@ steps:
       STACK_NAME: traefik
       LETS_ENCRYPT_ENV: production
       LETS_ENCRYPT_EMAIL: helo@autonomic.zone
-      TRAEFIK_YML_VERSION: v5
-      FILE_PROVIDER_YML_VERSION: v4
+      TRAEFIK_YML_VERSION: v4
+      FILE_PROVIDER_YML_VERSION: v3
       ENTRYPOINT_VERSION: v1
 trigger:
   branch:

.env.sample

@@ -46,11 +46,6 @@ COMPOSE_FILE="compose.yml"
 #GANDI_ENABLED=1
 #SECRET_GANDIV5_API_KEY_VERSION=v1
 
-## DigitalOcean, https://digitalocean.com
-#COMPOSE_FILE="$COMPOSE_FILE:compose.digitalocean.yml"
-#DIGITALOCEAN_ENABLED=1
-#SECRET_DIGITALOCEAN_AUTH_TOKEN_VERSION=v1
-
 #####################################################################
 # Manual wildcard certificate insertion                             #
 #####################################################################

abra.sh

@@ -1,3 +1,3 @@
 export TRAEFIK_YML_VERSION=v20
 export FILE_PROVIDER_YML_VERSION=v10
-export ENTRYPOINT_VERSION=v3
+export ENTRYPOINT_VERSION=v2

compose.digitalocean.yml

@@ -1,15 +0,0 @@
-version: "3.8"
-
-services:
-  app:
-    environment:
-      - DO_AUTH_TOKEN_FILE=/run/secrets/digitalocean_auth_token
-      - LETS_ENCRYPT_DNS_CHALLENGE_ENABLED
-      - LETS_ENCRYPT_DNS_CHALLENGE_PROVIDER
-    secrets:
-      - digitalocean_auth_token
-
-secrets:
-  digitalocean_auth_token:
-    name: ${STACK_NAME}_digitalocean_auth_token_${SECRET_DIGITALOCEAN_AUTH_TOKEN_VERSION}
-    external: true

compose.errors.yml

@@ -0,0 +1,29 @@
+---
+version: "3.8"
+
+services:
+  app:
+    environment:
+      - "CUSTOM_ERRORS=1"
+    volumes:
+      - "traefik-plugins:/plugins-local/"
+  errors:
+    image: "tarampampam/error-pages:2.27.0"
+    networks:
+      - proxy
+    deploy:
+      labels:
+          - "traefik.enable=true"
+          # use as "fallback" for any non-registered services (with priority below normal)
+          - "traefik.http.routers.${STACK_NAME}-error.rule=HostRegexp(`{host:.+}`)"
+          - "traefik.http.routers.${STACK_NAME}-error.priority=10"
+          - "traefik.http.routers.${STACK_NAME}-error.entrypoints=web-secure"
+          - "traefik.http.routers.${STACK_NAME}-error.tls.certresolver=${LETS_ENCRYPT_ENV}"
+          - "traefik.http.services.${STACK_NAME}-error.loadbalancer.server.port=8080"
+          # "errors" middleware settings
+          - "traefik.http.middlewares.${STACK_NAME}-error.errors.status=400-599"
+          - "traefik.http.middlewares.${STACK_NAME}-error.errors.service=${STACK_NAME}-error"
+          - "traefik.http.middlewares.${STACK_NAME}-error.errors.query=/{status}.html"
+
+volumes:
+  traefik-plugins:

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: "traefik:v2.11.2"
+    image: "traefik:v2.11.0"
     # Note(decentral1se): *please do not* add any additional ports here.
     # Doing so could break new installs with port conflicts. Please use
     # the usual `compose.$app.yml` approach for any additional ports
@@ -47,7 +47,7 @@ services:
         - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
         - "traefik.http.routers.${STACK_NAME}.service=api@internal"
         - "traefik.http.routers.${STACK_NAME}.middlewares=security@file"
-        - "coop-cloud.${STACK_NAME}.version=2.6.3+v2.11.2"
+        - "coop-cloud.${STACK_NAME}.version=2.6.0+v2.11.0"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT:-120}"
 
 networks:

entrypoint.sh.tmpl

@@ -11,8 +11,4 @@ export OVH_APPLICATION_SECRET=$(cat "$OVH_APPLICATION_SECRET_FILE")
 export GANDIV5_API_KEY=$(cat "$GANDIV5_API_KEY_FILE")
 {{ end }}
 
-{{ if eq (env "DIGITALOCEAN_ENABLED") "1" }}
-export DO_AUTH_TOKEN=$(cat "$DO_AUTH_TOKEN_FILE")
-{{ end }}
-
 /entrypoint.sh "$@"

file-provider.yml.tmpl

@@ -1,6 +1,19 @@
 ---
+
 http:
   middlewares:
+    {{ if eq (env "CUSTOM_ERRORS") "1" }}
+    error:
+      plugin:
+        traefik-error-page:
+          debug: "true"
+          contentsOnly: "false"
+          contentsOnlyMatch: "Bad Gateway"
+          query: /{status}.html
+          service: http://{{ env "STACK_NAME" }}_errors:8080
+          status:
+            - 502
+    {{ end }}
     {{ if eq (env "KEYCLOAK_MIDDLEWARE_ENABLED") "1" }}
     keycloak:
       forwardAuth:
@@ -48,4 +61,4 @@ tls:
   certificates:
     - certFile: /run/secrets/ssl_cert
       keyFile: /run/secrets/ssl_key
-  {{ end }}
+  {{ end }}

traefik.yml.tmpl

@@ -24,10 +24,6 @@ api:
 entrypoints:
   web:
     address: ":80"
-    http:
-      redirections:
-        entryPoint:
-          to: web-secure
   web-secure:
     address: ":443"
   {{ if eq (env "GITEA_SSH_ENABLED") "1" }}
@@ -119,3 +115,10 @@ certificatesResolvers:
           - "1.1.1.1:53"
           - "9.9.9.9:53"
       {{ end }}
+
+{{ if eq (env "CUSTOM_ERRORS") "1" }}
+experimental:
+  localplugins:
+    traefik-error-page:
+      moduleName: "github.com/3-w-c/traefik-error-page"
+{{ end }}