EventHub/EventHubBack
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Failover Service

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This commit is contained in:
Алексей Сабилин
2026-04-25 12:22:20 +03:00
parent 1adf39749d
commit 23ccc9aacc
5 changed files with 150 additions and 102 deletions
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111
docker/docker-compose.yml
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@@ -8,7 +8,7 @@ services:
- "--api.insecure=true" # дашборд (можно удалить в production)
- "--providers.docker=true"
- "--providers.docker.exposedbydefault=false"
- "--providers.file.filename=/etc/traefik/dynamic_conf.yml" # самоподписанный сертификат и редирект
- "--providers.file.filename=/etc/traefik/dynamic_conf.yml" # самоподписанный сертификат, редирект и failover
- "--entrypoints.web.address=:80" # HTTP (для редиректа)
- "--entrypoints.websecure.address=:443" # HTTPS/WSS
# Метрики Prometheus
@@ -29,6 +29,15 @@ services:
- eventhub-net
restart: unless-stopped
# ================== Сервис-заглушка для Failover ==================
fallback:
build:
context: ./fallback
dockerfile: Dockerfile
networks:
- eventhub-net
restart: unless-stopped
# ================== Кластер EventHub (3 ноды) ==================
eventhub-node1:
build:
@@ -46,42 +55,6 @@ services:
- eventhub-node1-data:/app/data
labels:
- "traefik.enable=true"
# --- REST API пользователей ---
- "traefik.http.routers.api.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api.entrypoints=web"
- "traefik.http.routers.api.middlewares=redirect-to-https@file"
- "traefik.http.routers.api-secure.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api-secure.entrypoints=websecure"
- "traefik.http.routers.api-secure.tls=true"
- "traefik.http.routers.api-secure.service=api"
- "traefik.http.services.api.loadbalancer.server.port=8080"
# --- WebSocket пользователей (WSS через websecure) ---
- "traefik.http.routers.ws.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws.entrypoints=web"
- "traefik.http.routers.ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.ws-secure.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws-secure.entrypoints=websecure"
- "traefik.http.routers.ws-secure.tls=true"
- "traefik.http.routers.ws-secure.service=ws"
- "traefik.http.services.ws.loadbalancer.server.port=8081"
# --- Админский REST ---
- "traefik.http.routers.admin-api.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api.entrypoints=web"
- "traefik.http.routers.admin-api.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-api-secure.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api-secure.entrypoints=websecure"
- "traefik.http.routers.admin-api-secure.tls=true"
- "traefik.http.routers.admin-api-secure.service=admin-api"
- "traefik.http.services.admin-api.loadbalancer.server.port=8445"
# --- Админский WebSocket (WSS) ---
- "traefik.http.routers.admin-ws.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws.entrypoints=web"
- "traefik.http.routers.admin-ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-ws-secure.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws-secure.entrypoints=websecure"
- "traefik.http.routers.admin-ws-secure.tls=true"
- "traefik.http.routers.admin-ws-secure.service=admin-ws"
- "traefik.http.services.admin-ws.loadbalancer.server.port=8446"
restart: unless-stopped
eventhub-node2:
@@ -100,38 +73,6 @@ services:
- eventhub-node2-data:/app/data
labels:
- "traefik.enable=true"
- "traefik.http.routers.api.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api.entrypoints=web"
- "traefik.http.routers.api.middlewares=redirect-to-https@file"
- "traefik.http.routers.api-secure.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api-secure.entrypoints=websecure"
- "traefik.http.routers.api-secure.tls=true"
- "traefik.http.routers.api-secure.service=api"
- "traefik.http.services.api.loadbalancer.server.port=8080"
- "traefik.http.routers.ws.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws.entrypoints=web"
- "traefik.http.routers.ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.ws-secure.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws-secure.entrypoints=websecure"
- "traefik.http.routers.ws-secure.tls=true"
- "traefik.http.routers.ws-secure.service=ws"
- "traefik.http.services.ws.loadbalancer.server.port=8081"
- "traefik.http.routers.admin-api.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api.entrypoints=web"
- "traefik.http.routers.admin-api.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-api-secure.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api-secure.entrypoints=websecure"
- "traefik.http.routers.admin-api-secure.tls=true"
- "traefik.http.routers.admin-api-secure.service=admin-api"
- "traefik.http.services.admin-api.loadbalancer.server.port=8445"
- "traefik.http.routers.admin-ws.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws.entrypoints=web"
- "traefik.http.routers.admin-ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-ws-secure.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws-secure.entrypoints=websecure"
- "traefik.http.routers.admin-ws-secure.tls=true"
- "traefik.http.routers.admin-ws-secure.service=admin-ws"
- "traefik.http.services.admin-ws.loadbalancer.server.port=8446"
restart: unless-stopped
eventhub-node3:
@@ -150,38 +91,6 @@ services:
- eventhub-node3-data:/app/data
labels:
- "traefik.enable=true"
- "traefik.http.routers.api.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api.entrypoints=web"
- "traefik.http.routers.api.middlewares=redirect-to-https@file"
- "traefik.http.routers.api-secure.rule=Host(`api.eventhub.local`)"
- "traefik.http.routers.api-secure.entrypoints=websecure"
- "traefik.http.routers.api-secure.tls=true"
- "traefik.http.routers.api-secure.service=api"
- "traefik.http.services.api.loadbalancer.server.port=8080"
- "traefik.http.routers.ws.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws.entrypoints=web"
- "traefik.http.routers.ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.ws-secure.rule=Host(`ws.eventhub.local`)"
- "traefik.http.routers.ws-secure.entrypoints=websecure"
- "traefik.http.routers.ws-secure.tls=true"
- "traefik.http.routers.ws-secure.service=ws"
- "traefik.http.services.ws.loadbalancer.server.port=8081"
- "traefik.http.routers.admin-api.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api.entrypoints=web"
- "traefik.http.routers.admin-api.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-api-secure.rule=Host(`admin.eventhub.local`)"
- "traefik.http.routers.admin-api-secure.entrypoints=websecure"
- "traefik.http.routers.admin-api-secure.tls=true"
- "traefik.http.routers.admin-api-secure.service=admin-api"
- "traefik.http.services.admin-api.loadbalancer.server.port=8445"
- "traefik.http.routers.admin-ws.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws.entrypoints=web"
- "traefik.http.routers.admin-ws.middlewares=redirect-to-https@file"
- "traefik.http.routers.admin-ws-secure.rule=Host(`admin-ws.eventhub.local`)"
- "traefik.http.routers.admin-ws-secure.entrypoints=websecure"
- "traefik.http.routers.admin-ws-secure.tls=true"
- "traefik.http.routers.admin-ws-secure.service=admin-ws"
- "traefik.http.services.admin-ws.loadbalancer.server.port=8446"
restart: unless-stopped
# ================== Мониторинг ==================

17
docker/fallback/503.html Normal file
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@@ -0,0 +1,17 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>EventHub - Maintenance</title>
<style>
body { font-family: 'Segoe UI', sans-serif; text-align: center; padding: 100px; background: #f4f4f9; color: #333; }
h1 { font-size: 3rem; color: #d32f2f; }
p { font-size: 1.4rem; }
</style>
</head>
<body>
<h1>503</h1>
<p>EventHub временно недоступен. Мы уже чиним.</p>
<p>Попробуйте обновить страницу через минуту.</p>
</body>
</html>

3
docker/fallback/Dockerfile Normal file
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@@ -0,0 +1,3 @@
FROM nginx:alpine
COPY default.conf /etc/nginx/conf.d/default.conf
COPY 503.html /usr/share/nginx/html/503.html

13
docker/fallback/default.conf Normal file
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@@ -0,0 +1,13 @@
server {
listen 80 default_server;
root /usr/share/nginx/html;
location / {
return 503;
}
error_page 503 /503.html;
location = /503.html {
internal;
}
}

106
docker/traefik/dynamic_conf.yml
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@@ -14,3 +14,109 @@ http:
redirectScheme:
scheme: https
permanent: true
routers:
# === REST API пользователей ===
api:
rule: "Host(`api.eventhub.local`)"
entryPoints: ["web"]
middlewares: ["redirect-to-https"]
service: "api"
api-secure:
rule: "Host(`api.eventhub.local`)"
entryPoints: ["websecure"]
tls: true
service: "api"
# === WebSocket пользователей ===
ws:
rule: "Host(`ws.eventhub.local`)"
entryPoints: ["web"]
middlewares: ["redirect-to-https"]
service: "ws"
ws-secure:
rule: "Host(`ws.eventhub.local`)"
entryPoints: ["websecure"]
tls: true
service: "ws"
# === Админский REST ===
admin-api:
rule: "Host(`admin.eventhub.local`)"
entryPoints: ["web"]
middlewares: ["redirect-to-https"]
service: "admin-api"
admin-api-secure:
rule: "Host(`admin.eventhub.local`)"
entryPoints: ["websecure"]
tls: true
service: "admin-api"
# === Админский WebSocket ===
admin-ws:
rule: "Host(`admin-ws.eventhub.local`)"
entryPoints: ["web"]
middlewares: ["redirect-to-https"]
service: "admin-ws"
admin-ws-secure:
rule: "Host(`admin-ws.eventhub.local`)"
entryPoints: ["websecure"]
tls: true
service: "admin-ws"
services:
# === Пользовательский REST API (failover) ===
api:
failover:
service: api-live
fallback: api-fallback
api-live:
loadbalancer:
servers:
- url: "http://eventhub-node1:8080"
- url: "http://eventhub-node2:8080"
- url: "http://eventhub-node3:8080"
healthCheck:
path: "/health"
interval: "10s"
timeout: "3s"
api-fallback:
loadbalancer:
servers:
- url: "http://fallback:80"
# === WebSocket пользователей (простой балансировщик) ===
ws:
loadbalancer:
servers:
- url: "http://eventhub-node1:8081"
- url: "http://eventhub-node2:8081"
- url: "http://eventhub-node3:8081"
# === Админский REST (failover) ===
admin-api:
failover:
service: admin-api-live
fallback: admin-api-fallback
admin-api-live:
loadbalancer:
servers:
- url: "http://eventhub-node1:8445"
- url: "http://eventhub-node2:8445"
- url: "http://eventhub-node3:8445"
healthCheck:
path: "/health"
interval: "10s"
timeout: "3s"
admin-api-fallback:
loadbalancer:
servers:
- url: "http://fallback:80"
# === Админский WebSocket (простой балансировщик) ===
admin-ws:
loadbalancer:
servers:
- url: "http://eventhub-node1:8446"
- url: "http://eventhub-node2:8446"
- url: "http://eventhub-node3:8446"