Add comprehensive plugin usage examples for Docker, Kubernetes, and Swarm
- Introduced multiple detailed plugin examples for Cloudflare IP restoration, IP whitelisting, JWT validation, and combined usage. - Added configurations for `docker-compose`, `Kubernetes`, and `Swarm` showcasing individual and multi-plugin use cases. - Included clear prerequisites, setup steps, and testing procedures for each example. - Documented advanced scenarios like path blocking, custom IP lists, and JWT validation for production environments.
This commit is contained in:
Joao Gilberto Magalhaes
parent
06d1d447f8
commit
f75cb8aab2
15 changed files with 1977 additions and 0 deletions
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@ -288,6 +288,275 @@ See [Using Plugins with Kubernetes](../../docs/kubernetes.md#using-plugins-with-
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---
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## Plugin Examples
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### JWT Validator Plugin
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Complete example with JWT validation for API protection:
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```yaml
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---
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# Create ConfigMap with public key
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: jwt-keys
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namespace: default
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data:
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api_pubkey.pem: |
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-----BEGIN PUBLIC KEY-----
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MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA...
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-----END PUBLIC KEY-----
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---
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# Mount public key into EasyHAProxy pod
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# Add this to your EasyHAProxy deployment:
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# volumeMounts:
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# - name: jwt-keys
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# mountPath: /etc/haproxy/jwt_keys
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# volumes:
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# - name: jwt-keys
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# configMap:
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# name: jwt-keys
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: api-service
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namespace: default
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spec:
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ports:
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- port: 8080
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selector:
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app: api
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type: ClusterIP
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: api
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namespace: default
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: api
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template:
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metadata:
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labels:
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app: api
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spec:
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containers:
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- name: api
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image: my-api:latest
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ports:
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- containerPort: 8080
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable JWT validator
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easyhaproxy.plugins: "jwt_validator"
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easyhaproxy.plugin.jwt_validator.algorithm: "RS256"
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easyhaproxy.plugin.jwt_validator.issuer: "https://auth.example.com/"
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easyhaproxy.plugin.jwt_validator.audience: "https://api.example.com"
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easyhaproxy.plugin.jwt_validator.pubkey_path: "/etc/haproxy/jwt_keys/api_pubkey.pem"
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name: api-ingress
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namespace: default
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spec:
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rules:
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- host: api.example.com
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http:
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paths:
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- backend:
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service:
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name: api-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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```
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**Test:**
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```bash
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# Without JWT token - should fail
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curl http://api.example.com/users
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# Response: Missing Authorization HTTP header
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# With valid JWT token
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TOKEN="eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9..."
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curl -H "Authorization: Bearer $TOKEN" http://api.example.com/users
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# Response: Success
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```
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---
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### Cloudflare IP Restoration Plugin
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Restore original visitor IPs when behind Cloudflare:
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```yaml
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---
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# Create ConfigMap with Cloudflare IP ranges
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cloudflare-ips
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namespace: easyhaproxy
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data:
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cloudflare_ips.lst: |
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173.245.48.0/20
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103.21.244.0/22
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103.22.200.0/22
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103.31.4.0/22
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141.101.64.0/18
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108.162.192.0/18
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190.93.240.0/20
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188.114.96.0/20
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197.234.240.0/22
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198.41.128.0/17
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162.158.0.0/15
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104.16.0.0/13
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104.24.0.0/14
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172.64.0.0/13
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131.0.72.0/22
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---
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# Mount ConfigMap into EasyHAProxy pod
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# Add this to your EasyHAProxy deployment:
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# volumeMounts:
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# - name: cloudflare-ips
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# mountPath: /etc/haproxy/cloudflare_ips.lst
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# subPath: cloudflare_ips.lst
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# volumes:
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# - name: cloudflare-ips
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# configMap:
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# name: cloudflare-ips
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable Cloudflare plugin
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easyhaproxy.plugins: "cloudflare"
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name: webapp-ingress
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namespace: default
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spec:
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rules:
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- host: myapp.example.com
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http:
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paths:
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- backend:
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service:
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name: webapp-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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```
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**Download latest Cloudflare IPs:**
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```bash
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curl https://www.cloudflare.com/ips-v4
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curl https://www.cloudflare.com/ips-v6
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```
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---
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### IP Whitelist Plugin
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Restrict admin panel to office IPs only:
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```yaml
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable IP whitelist
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easyhaproxy.plugins: "ip_whitelist"
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easyhaproxy.plugin.ip_whitelist.allowed_ips: "203.0.113.0/24,198.51.100.42"
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easyhaproxy.plugin.ip_whitelist.status_code: "403"
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name: admin-ingress
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namespace: default
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spec:
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rules:
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- host: admin.example.com
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http:
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paths:
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- backend:
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service:
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name: admin-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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```
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**Test:**
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```bash
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# From allowed IP (203.0.113.50)
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curl http://admin.example.com
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# Response: Success
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# From blocked IP
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curl http://admin.example.com
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# Response: HTTP 403 Forbidden
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```
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---
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### Multiple Plugins Combined
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Combine Cloudflare + JWT + Path Blocking for maximum security:
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```yaml
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable multiple plugins
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easyhaproxy.plugins: "cloudflare,jwt_validator,deny_pages"
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# Cloudflare - restore real IPs
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# (no config needed if using default path)
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# JWT Validator - validate tokens
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easyhaproxy.plugin.jwt_validator.algorithm: "RS256"
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easyhaproxy.plugin.jwt_validator.issuer: "https://auth.example.com/"
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easyhaproxy.plugin.jwt_validator.audience: "https://api.example.com"
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easyhaproxy.plugin.jwt_validator.pubkey_path: "/etc/haproxy/jwt_keys/api_pubkey.pem"
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# Deny Pages - block sensitive paths
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easyhaproxy.plugin.deny_pages.paths: "/internal,/debug,/admin"
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easyhaproxy.plugin.deny_pages.status_code: "404"
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name: secure-api-ingress
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namespace: production
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spec:
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rules:
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- host: api.example.com
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http:
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paths:
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- backend:
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service:
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name: api-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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```
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**Plugin execution order:**
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1. Cloudflare IP restoration (sets correct visitor IP)
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2. Deny Pages (blocks blacklisted paths)
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3. JWT Validator (validates authentication)
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---
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## Creating SSL Secrets
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### From Certificate Files
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103
examples/kubernetes/cloudflare.yml
Normal file
103
examples/kubernetes/cloudflare.yml
Normal file
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# Cloudflare IP Restoration Plugin Example for Kubernetes
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#
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# This example demonstrates restoring original visitor IPs when using Cloudflare CDN
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#
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# Prerequisites:
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# 1. EasyHAProxy installed in your cluster
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#
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# 2. Download Cloudflare IP ranges and create ConfigMap:
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# curl https://www.cloudflare.com/ips-v4 > cloudflare_ips.lst
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# curl https://www.cloudflare.com/ips-v6 >> cloudflare_ips.lst
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# kubectl create configmap cloudflare-ips \
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# --from-file=cloudflare_ips.lst=cloudflare_ips.lst \
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# -n easyhaproxy
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#
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# 3. Mount the ConfigMap in EasyHAProxy deployment (add to volumeMounts and volumes):
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# volumeMounts:
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# - name: cloudflare-ips
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# mountPath: /etc/haproxy/cloudflare_ips.lst
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# subPath: cloudflare_ips.lst
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# volumes:
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# - name: cloudflare-ips
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# configMap:
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# name: cloudflare-ips
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#
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# 4. Apply this manifest:
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# kubectl apply -f cloudflare.yml
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#
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# 5. Test:
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# curl http://myapp.example.local/
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#
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# Note: This plugin is most useful when your site is actually behind Cloudflare.
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: webapp-service
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namespace: default
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spec:
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ports:
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- port: 8080
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targetPort: 8080
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selector:
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app: webapp
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type: ClusterIP
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: webapp
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namespace: default
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: webapp
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template:
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metadata:
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labels:
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app: webapp
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spec:
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containers:
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- name: webapp
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image: byjg/static-httpserver
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ports:
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- containerPort: 8080
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env:
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- name: TITLE
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value: "App Behind Cloudflare"
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resources:
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limits:
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cpu: '0.1'
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memory: '64Mi'
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requests:
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cpu: '0.05'
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memory: '32Mi'
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable Cloudflare plugin
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easyhaproxy.plugins: "cloudflare"
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# Optional: Specify custom IP list path
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# easyhaproxy.plugin.cloudflare.ip_list_path: "/etc/haproxy/cloudflare_ips.lst"
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name: webapp-ingress-cloudflare
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namespace: default
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spec:
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rules:
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- host: myapp.example.local
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http:
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paths:
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- backend:
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service:
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name: webapp-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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96
examples/kubernetes/ip-whitelist.yml
Normal file
96
examples/kubernetes/ip-whitelist.yml
Normal file
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# IP Whitelist Plugin Example for Kubernetes
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#
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# This example demonstrates restricting access to specific IP addresses
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#
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# Prerequisites:
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# 1. EasyHAProxy installed in your cluster
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#
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# 2. Update the allowed_ips annotation with your actual IP addresses/networks
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#
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# 3. Apply this manifest:
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# kubectl apply -f ip-whitelist.yml
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#
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# 4. Test from allowed IP:
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# curl http://admin.example.local/
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# # Response: Success (200 OK)
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#
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# 5. Test from non-allowed IP:
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# # Response: HTTP 403 Forbidden
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#
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# Note: Update the allowed_ips annotation with your actual office/VPN IPs
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: admin-service
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namespace: default
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spec:
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ports:
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- port: 8080
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targetPort: 8080
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selector:
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app: admin
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type: ClusterIP
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: admin
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namespace: default
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spec:
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replicas: 2
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selector:
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matchLabels:
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app: admin
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template:
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metadata:
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labels:
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app: admin
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spec:
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containers:
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- name: admin
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image: byjg/static-httpserver
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ports:
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- containerPort: 8080
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env:
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- name: TITLE
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value: "Admin Panel - IP Restricted"
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resources:
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limits:
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cpu: '0.1'
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memory: '64Mi'
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requests:
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cpu: '0.05'
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memory: '32Mi'
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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kubernetes.io/ingress.class: easyhaproxy-ingress
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# Enable IP whitelist plugin
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easyhaproxy.plugins: "ip_whitelist"
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# Allow specific IPs and networks
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# UPDATE THIS with your actual office/VPN IPs!
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easyhaproxy.plugin.ip_whitelist.allowed_ips: "203.0.113.0/24,198.51.100.42,10.0.0.0/8"
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# Status code to return for blocked IPs
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easyhaproxy.plugin.ip_whitelist.status_code: "403"
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name: admin-ingress-whitelist
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namespace: default
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spec:
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rules:
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- host: admin.example.local
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http:
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paths:
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- backend:
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service:
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name: admin-service
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port:
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number: 8080
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pathType: ImplementationSpecific
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113
examples/kubernetes/jwt-validator.yml
Normal file
113
examples/kubernetes/jwt-validator.yml
Normal file
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# JWT Validator Plugin Example for Kubernetes
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#
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# This example demonstrates JWT token validation for API protection in Kubernetes
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#
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# Prerequisites:
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# 1. EasyHAProxy installed in your cluster
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# 2. Generate RSA key pair:
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# openssl genrsa -out jwt_private.pem 2048
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# openssl rsa -in jwt_private.pem -pubout -out jwt_pubkey.pem
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#
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# 3. Create ConfigMap with public key:
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# kubectl create configmap jwt-keys --from-file=api_pubkey.pem=jwt_pubkey.pem
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#
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# 4. Mount the ConfigMap in EasyHAProxy deployment (add to volumeMounts and volumes):
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# volumeMounts:
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# - name: jwt-keys
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# mountPath: /etc/haproxy/jwt_keys
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# volumes:
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# - name: jwt-keys
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# configMap:
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# name: jwt-keys
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#
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# 5. Apply this manifest:
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# kubectl apply -f jwt-validator.yml
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#
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# 6. Test without token (should fail):
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# curl http://api.example.local/
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# # Response: Missing Authorization HTTP header
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#
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# 7. Generate test JWT at https://jwt.io with:
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# - Algorithm: RS256
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# - Payload: {"iss":"https://auth.example.com/","aud":"https://api.example.com","exp":9999999999}
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# - Use your jwt_private.pem for signing
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#
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# 8. Test with token:
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# TOKEN="eyJhbGc..."
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# curl -H "Authorization: Bearer $TOKEN" http://api.example.local/
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# # Response: Success
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|
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: api-service
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namespace: default
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spec:
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ports:
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- port: 8080
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targetPort: 8080
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selector:
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app: api
|
||||
type: ClusterIP
|
||||
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: api
|
||||
namespace: default
|
||||
spec:
|
||||
replicas: 3
|
||||
selector:
|
||||
matchLabels:
|
||||
app: api
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: api
|
||||
spec:
|
||||
containers:
|
||||
- name: api
|
||||
image: byjg/static-httpserver
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
env:
|
||||
- name: TITLE
|
||||
value: "Protected API - JWT Required"
|
||||
resources:
|
||||
limits:
|
||||
cpu: '0.1'
|
||||
memory: '64Mi'
|
||||
requests:
|
||||
cpu: '0.05'
|
||||
memory: '32Mi'
|
||||
|
||||
---
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
kubernetes.io/ingress.class: easyhaproxy-ingress
|
||||
|
||||
# Enable JWT validator plugin
|
||||
easyhaproxy.plugins: "jwt_validator"
|
||||
|
||||
# JWT validator configuration
|
||||
easyhaproxy.plugin.jwt_validator.algorithm: "RS256"
|
||||
easyhaproxy.plugin.jwt_validator.issuer: "https://auth.example.com/"
|
||||
easyhaproxy.plugin.jwt_validator.audience: "https://api.example.com"
|
||||
easyhaproxy.plugin.jwt_validator.pubkey_path: "/etc/haproxy/jwt_keys/api_pubkey.pem"
|
||||
name: api-ingress-jwt
|
||||
namespace: default
|
||||
spec:
|
||||
rules:
|
||||
- host: api.example.local
|
||||
http:
|
||||
paths:
|
||||
- backend:
|
||||
service:
|
||||
name: api-service
|
||||
port:
|
||||
number: 8080
|
||||
pathType: ImplementationSpecific
|
||||
233
examples/kubernetes/plugins-combined.yml
Normal file
233
examples/kubernetes/plugins-combined.yml
Normal file
|
|
@ -0,0 +1,233 @@
|
|||
# Multiple Plugins Combined Example for Kubernetes
|
||||
#
|
||||
# This example demonstrates using multiple plugins together for enhanced security
|
||||
#
|
||||
# Prerequisites:
|
||||
# 1. EasyHAProxy installed in your cluster
|
||||
#
|
||||
# 2. Generate JWT keys and create ConfigMap:
|
||||
# openssl genrsa -out jwt_private.pem 2048
|
||||
# openssl rsa -in jwt_private.pem -pubout -out jwt_pubkey.pem
|
||||
# kubectl create configmap jwt-keys --from-file=api_pubkey.pem=jwt_pubkey.pem
|
||||
#
|
||||
# 3. Download Cloudflare IPs and create ConfigMap:
|
||||
# curl https://www.cloudflare.com/ips-v4 > cloudflare_ips.lst
|
||||
# curl https://www.cloudflare.com/ips-v6 >> cloudflare_ips.lst
|
||||
# kubectl create configmap cloudflare-ips \
|
||||
# --from-file=cloudflare_ips.lst=cloudflare_ips.lst \
|
||||
# -n easyhaproxy
|
||||
#
|
||||
# 4. Mount ConfigMaps in EasyHAProxy deployment
|
||||
#
|
||||
# 5. Apply this manifest:
|
||||
# kubectl apply -f plugins-combined.yml
|
||||
#
|
||||
# This creates three services with different security profiles:
|
||||
# - Public website: Cloudflare + path blocking
|
||||
# - Protected API: JWT validation + path blocking
|
||||
# - Admin panel: Strict IP whitelist
|
||||
|
||||
---
|
||||
# Public website service
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: website-service
|
||||
namespace: default
|
||||
spec:
|
||||
ports:
|
||||
- port: 8080
|
||||
selector:
|
||||
app: website
|
||||
type: ClusterIP
|
||||
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: website
|
||||
namespace: default
|
||||
spec:
|
||||
replicas: 3
|
||||
selector:
|
||||
matchLabels:
|
||||
app: website
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: website
|
||||
spec:
|
||||
containers:
|
||||
- name: website
|
||||
image: byjg/static-httpserver
|
||||
env:
|
||||
- name: TITLE
|
||||
value: "Public Website"
|
||||
resources:
|
||||
requests:
|
||||
cpu: '0.05'
|
||||
memory: '32Mi'
|
||||
|
||||
---
|
||||
# Public website ingress with Cloudflare + path blocking
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
kubernetes.io/ingress.class: easyhaproxy-ingress
|
||||
# Cloudflare IP restoration + deny pages
|
||||
easyhaproxy.plugins: "cloudflare,deny_pages"
|
||||
easyhaproxy.plugin.deny_pages.paths: "/admin,/wp-admin,/wp-login.php,/.env,/config"
|
||||
easyhaproxy.plugin.deny_pages.status_code: "404"
|
||||
name: website-ingress
|
||||
namespace: default
|
||||
spec:
|
||||
rules:
|
||||
- host: website.example.local
|
||||
http:
|
||||
paths:
|
||||
- backend:
|
||||
service:
|
||||
name: website-service
|
||||
port:
|
||||
number: 8080
|
||||
pathType: ImplementationSpecific
|
||||
|
||||
---
|
||||
# API service
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: api-service
|
||||
namespace: default
|
||||
spec:
|
||||
ports:
|
||||
- port: 8080
|
||||
selector:
|
||||
app: api
|
||||
type: ClusterIP
|
||||
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: api
|
||||
namespace: default
|
||||
spec:
|
||||
replicas: 5
|
||||
selector:
|
||||
matchLabels:
|
||||
app: api
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: api
|
||||
spec:
|
||||
containers:
|
||||
- name: api
|
||||
image: byjg/static-httpserver
|
||||
env:
|
||||
- name: TITLE
|
||||
value: "Protected API"
|
||||
resources:
|
||||
requests:
|
||||
cpu: '0.05'
|
||||
memory: '32Mi'
|
||||
|
||||
---
|
||||
# API ingress with JWT + path blocking
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
kubernetes.io/ingress.class: easyhaproxy-ingress
|
||||
# JWT validation + block internal endpoints
|
||||
easyhaproxy.plugins: "jwt_validator,deny_pages"
|
||||
# JWT config
|
||||
easyhaproxy.plugin.jwt_validator.algorithm: "RS256"
|
||||
easyhaproxy.plugin.jwt_validator.issuer: "https://auth.example.com/"
|
||||
easyhaproxy.plugin.jwt_validator.audience: "https://api.example.com"
|
||||
easyhaproxy.plugin.jwt_validator.pubkey_path: "/etc/haproxy/jwt_keys/api_pubkey.pem"
|
||||
# Block internal paths
|
||||
easyhaproxy.plugin.deny_pages.paths: "/internal,/debug,/metrics"
|
||||
easyhaproxy.plugin.deny_pages.status_code: "403"
|
||||
name: api-ingress
|
||||
namespace: default
|
||||
spec:
|
||||
rules:
|
||||
- host: api.example.local
|
||||
http:
|
||||
paths:
|
||||
- backend:
|
||||
service:
|
||||
name: api-service
|
||||
port:
|
||||
number: 8080
|
||||
pathType: ImplementationSpecific
|
||||
|
||||
---
|
||||
# Admin service
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: admin-service
|
||||
namespace: default
|
||||
spec:
|
||||
ports:
|
||||
- port: 8080
|
||||
selector:
|
||||
app: admin
|
||||
type: ClusterIP
|
||||
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: admin
|
||||
namespace: default
|
||||
spec:
|
||||
replicas: 2
|
||||
selector:
|
||||
matchLabels:
|
||||
app: admin
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: admin
|
||||
spec:
|
||||
containers:
|
||||
- name: admin
|
||||
image: byjg/static-httpserver
|
||||
env:
|
||||
- name: TITLE
|
||||
value: "Admin Panel"
|
||||
resources:
|
||||
requests:
|
||||
cpu: '0.05'
|
||||
memory: '32Mi'
|
||||
|
||||
---
|
||||
# Admin ingress with strict IP whitelist
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
kubernetes.io/ingress.class: easyhaproxy-ingress
|
||||
# IP whitelist only (strictest security)
|
||||
easyhaproxy.plugins: "ip_whitelist"
|
||||
# UPDATE with your office/VPN IPs!
|
||||
easyhaproxy.plugin.ip_whitelist.allowed_ips: "203.0.113.0/24,10.0.0.0/8"
|
||||
easyhaproxy.plugin.ip_whitelist.status_code: "403"
|
||||
name: admin-ingress
|
||||
namespace: default
|
||||
spec:
|
||||
rules:
|
||||
- host: admin.example.local
|
||||
http:
|
||||
paths:
|
||||
- backend:
|
||||
service:
|
||||
name: admin-service
|
||||
port:
|
||||
number: 8080
|
||||
pathType: ImplementationSpecific
|
||||
Loading…
Add table
Add a link
Reference in a new issue