Add API7 ADC integration to Helm chart for automatic gateway configuration
- Added ADC (API7 Declarative CLI) post-install job for automatic gateway setup - Created ConfigMap with complete API7 routing and service configuration - Integrated cert-manager for automatic TLS certificate management - Added support for Kubernetes service discovery - Implemented auto-publish feature for routes after deployment - Added comprehensive API7 plugin configurations (rate limiting, CORS, auth) - Created RBAC resources for ADC job to access cluster resources - Secured admin credentials using Kubernetes secrets - Updated values.yaml with extensive API7 configuration options - Enhanced documentation with API7 setup and troubleshooting guides
This commit is contained in:
d.viti
@@ -33,6 +33,16 @@ helm install my-api7ee ./helm/api7ee -f custom-values.yaml
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## Configuration
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### API7 Gateway Integration
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This Helm chart includes automatic API7 Gateway configuration using ADC (API7 Declarative CLI). When `api7.enabled` is set to `true`, the chart will:
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1. **Deploy ADC Configuration**: Creates routes, services, and upstreams for your applications
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2. **Configure TLS/SSL**: Manages certificates via cert-manager or custom certificates
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3. **Enable Service Discovery**: Uses Kubernetes native service discovery
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4. **Apply Security Policies**: Configures rate limiting, CORS, and authentication
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5. **Auto-publish Routes**: Optionally publishes routes automatically after deployment
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### Key Configuration Options
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| Parameter | Description | Default |
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@@ -49,9 +59,41 @@ helm install my-api7ee ./helm/api7ee -f custom-values.yaml
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| `api.service.port` | API service port | `8080` |
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| `ingress.enabled` | Enable ingress | `true` |
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| `ingress.hosts[0].host` | Ingress hostname | `demo.commandware.it` |
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| `api7.enabled` | Enable API7 ADC configuration | `true` |
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| `api7.gateway.adminUrl` | API7 Gateway Admin API URL | `http://api7-gateway.api7ee:9180` |
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| `api7.hosts` | Hosts for API7 routing | `[demo.commandware.it]` |
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| `api7.tls.certManager.enabled` | Use cert-manager for TLS | `true` |
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| `api7.autoPublish` | Auto-publish routes | `true` |
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### Custom Values Examples
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#### Configure API7 Gateway:
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```yaml
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api7:
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enabled: true
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gateway:
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adminUrl: http://your-api7-gateway:9180
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adminKey: "your-admin-key-here"
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group: production
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hosts:
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- api.yourdomain.com
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tls:
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certManager:
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enabled: true
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issuer: letsencrypt-prod
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plugins:
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rateLimit:
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enabled: true
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count: 1000
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timeWindow: 60
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auth:
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enabled: true
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consumers:
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- username: api-client
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apiKey: secure-api-key-12345
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```
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#### Using a private registry:
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```yaml
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@@ -119,6 +161,31 @@ metrics:
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## Troubleshooting
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### API7 ADC Sync Issues
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If the ADC sync job fails:
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```bash
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# Check the job status
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kubectl get jobs -l app.kubernetes.io/instance=my-api7ee
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# View job logs
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kubectl logs job/my-api7ee-adc-sync
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# Manually run ADC sync
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kubectl run adc-debug --rm -it --image=ghcr.io/api7/adc:latest -- /bin/sh
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```
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### Verify API7 Configuration
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```bash
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# Check if routes are configured
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curl -H "X-API-KEY: your-admin-key" http://api7-gateway:9180/apisix/admin/routes
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# Check service discovery
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curl -H "X-API-KEY: your-admin-key" http://api7-gateway:9180/apisix/admin/upstreams
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```
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### Check deployment status:
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```bash
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kubectl get deployments -l app.kubernetes.io/instance=my-api7ee
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25
helm/api7ee/templates/certificate.yaml
Normal file
25
helm/api7ee/templates/certificate.yaml
Normal file
@@ -0,0 +1,25 @@
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{{- if and .Values.api7.enabled .Values.api7.tls.enabled .Values.api7.tls.certManager.enabled }}
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apiVersion: cert-manager.io/v1
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kind: Certificate
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metadata:
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name: {{ include "api7ee.fullname" . }}-tls
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labels:
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{{- include "api7ee.labels" . | nindent 4 }}
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spec:
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secretName: {{ .Values.api7.tls.secretName | default (printf "%s-tls" (include "api7ee.fullname" .)) }}
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issuerRef:
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name: {{ .Values.api7.tls.certManager.issuer }}
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kind: {{ .Values.api7.tls.certManager.issuerKind | default "ClusterIssuer" }}
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commonName: {{ first .Values.api7.hosts }}
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dnsNames:
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{{- range .Values.api7.hosts }}
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- {{ . | quote }}
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{{- end }}
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usages:
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- digital signature
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- key encipherment
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- server auth
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- client auth
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duration: 2160h # 90 days
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renewBefore: 720h # 30 days before expiry
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{{- end }}
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147
helm/api7ee/templates/configmap-adc.yaml
Normal file
147
helm/api7ee/templates/configmap-adc.yaml
Normal file
@@ -0,0 +1,147 @@
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{{- if .Values.api7.enabled }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "api7ee.fullname" . }}-adc-config
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labels:
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{{- include "api7ee.labels" . | nindent 4 }}
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app.kubernetes.io/component: adc
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data:
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adc-config.yaml: |
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services:
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{{- if .Values.web.enabled }}
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- name: web-service
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upstream:
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name: web-upstream
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scheme: http
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type: roundrobin
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{{- if .Values.api7.serviceDiscovery.enabled }}
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discovery_type: kubernetes
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service_name: {{ .Release.Namespace }}/{{ include "api7ee.fullname" . }}-web:http
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{{- else }}
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nodes:
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- host: {{ include "api7ee.fullname" . }}-web.{{ .Release.Namespace }}.svc.cluster.local
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port: {{ .Values.web.service.port }}
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weight: 100
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{{- end }}
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routes:
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- name: web-route
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uris:
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- /*
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hosts:
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{{- range .Values.api7.hosts }}
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- {{ . | quote }}
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{{- end }}
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priority: 0
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plugins:
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{{- if .Values.api7.tls.enabled }}
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redirect:
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http_to_https: true
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{{- end }}
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{{- if .Values.api7.plugins.rateLimit.enabled }}
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limit-count:
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count: {{ .Values.api7.plugins.rateLimit.count }}
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time_window: {{ .Values.api7.plugins.rateLimit.timeWindow }}
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rejected_code: 429
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{{- end }}
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{{- if .Values.api7.plugins.cors.enabled }}
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cors:
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allow_origins: {{ .Values.api7.plugins.cors.allowOrigins | toJson }}
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allow_methods: {{ .Values.api7.plugins.cors.allowMethods | toJson }}
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allow_headers: {{ .Values.api7.plugins.cors.allowHeaders | toJson }}
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expose_headers: {{ .Values.api7.plugins.cors.exposeHeaders | toJson }}
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max_age: {{ .Values.api7.plugins.cors.maxAge }}
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allow_credentials: {{ .Values.api7.plugins.cors.allowCredentials }}
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{{- end }}
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{{- end }}
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{{- if .Values.api.enabled }}
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- name: api-service
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upstream:
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name: api-upstream
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scheme: http
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type: roundrobin
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{{- if .Values.api7.serviceDiscovery.enabled }}
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discovery_type: kubernetes
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service_name: {{ .Release.Namespace }}/{{ include "api7ee.fullname" . }}-api:http
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{{- else }}
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nodes:
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- host: {{ include "api7ee.fullname" . }}-api.{{ .Release.Namespace }}.svc.cluster.local
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port: {{ .Values.api.service.port }}
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weight: 100
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{{- end }}
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routes:
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- name: api-route
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uris:
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- /api
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- /api/*
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hosts:
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{{- range .Values.api7.hosts }}
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- {{ . | quote }}
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{{- end }}
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priority: 10
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plugins:
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{{- if .Values.api7.tls.enabled }}
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redirect:
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http_to_https: true
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{{- end }}
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proxy-rewrite:
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regex_uri:
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- ^/api/(.*)
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- /$1
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{{- if .Values.api7.plugins.rateLimit.enabled }}
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limit-count:
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count: {{ .Values.api7.plugins.rateLimit.apiCount | default .Values.api7.plugins.rateLimit.count }}
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time_window: {{ .Values.api7.plugins.rateLimit.timeWindow }}
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rejected_code: 429
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{{- end }}
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{{- if .Values.api7.plugins.auth.enabled }}
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key-auth:
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header: {{ .Values.api7.plugins.auth.header | default "X-API-Key" }}
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{{- end }}
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{{- end }}
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{{- if .Values.api7.tls.enabled }}
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ssls:
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- snis:
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{{- range .Values.api7.hosts }}
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- {{ . | quote }}
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{{- end }}
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certificates:
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{{- if .Values.api7.tls.certManager.enabled }}
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- certificate: /etc/ssl/certs/tls.crt
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key: /etc/ssl/certs/tls.key
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{{- else if .Values.api7.tls.certificate }}
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- certificate: |
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{{ .Values.api7.tls.certificate | nindent 14 }}
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key: |
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{{ .Values.api7.tls.key | nindent 14 }}
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{{- end }}
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{{- end }}
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{{- if .Values.api7.plugins.auth.enabled }}
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consumers:
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{{- range .Values.api7.consumers }}
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- username: {{ .username }}
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plugins:
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key-auth:
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key: {{ .apiKey }}
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{{- end }}
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{{- end }}
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global_rules:
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{{- if .Values.api7.plugins.prometheus.enabled }}
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- id: prometheus-metrics
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plugins:
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prometheus:
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prefer_name: true
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{{- end }}
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{{- if .Values.api7.plugins.logging.enabled }}
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- id: request-logging
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plugins:
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http-logger:
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uri: {{ .Values.api7.plugins.logging.endpoint }}
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batch_max_size: {{ .Values.api7.plugins.logging.batchMaxSize | default 1000 }}
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inactive_timeout: {{ .Values.api7.plugins.logging.inactiveTimeout | default 5 }}
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{{- end }}
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{{- end }}
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212
helm/api7ee/templates/job-adc-sync.yaml
Normal file
212
helm/api7ee/templates/job-adc-sync.yaml
Normal file
@@ -0,0 +1,212 @@
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{{- if .Values.api7.enabled }}
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: {{ include "api7ee.fullname" . }}-adc-sync
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labels:
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{{- include "api7ee.labels" . | nindent 4 }}
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app.kubernetes.io/component: adc-sync
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annotations:
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"helm.sh/hook": post-install,post-upgrade
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"helm.sh/hook-weight": "10"
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"helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
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spec:
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backoffLimit: 3
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activeDeadlineSeconds: 300
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template:
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metadata:
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labels:
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{{- include "api7ee.selectorLabels" . | nindent 8 }}
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app.kubernetes.io/component: adc-sync
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spec:
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restartPolicy: Never
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serviceAccountName: {{ include "api7ee.serviceAccountName" . }}
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{{- if .Values.api7.tls.certManager.enabled }}
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initContainers:
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- name: wait-for-certificate
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image: busybox:1.35
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command:
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- sh
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- -c
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- |
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echo "Waiting for TLS certificate to be ready..."
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while [ ! -f /etc/ssl/certs/tls.crt ] || [ ! -f /etc/ssl/certs/tls.key ]; do
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echo "Certificate not ready, waiting..."
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sleep 5
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done
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echo "Certificate is ready!"
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volumeMounts:
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- name: tls-certs
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mountPath: /etc/ssl/certs
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readOnly: true
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{{- end }}
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containers:
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- name: adc-sync
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image: {{ .Values.api7.adc.image | default "ghcr.io/api7/adc:latest" }}
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imagePullPolicy: {{ .Values.api7.adc.imagePullPolicy | default "IfNotPresent" }}
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command:
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- /bin/sh
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- -c
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- |
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set -e
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echo "Starting API7 ADC configuration sync..."
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# Install jq if needed for auto-publish feature
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{{- if .Values.api7.autoPublish }}
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if ! command -v jq &> /dev/null; then
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echo "Installing jq..."
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apk add --no-cache jq curl || apt-get update && apt-get install -y jq curl || yum install -y jq curl
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fi
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{{- end }}
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# Wait for API7 Gateway to be ready
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echo "Waiting for API7 Gateway to be available..."
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MAX_RETRIES=30
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RETRY_COUNT=0
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while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
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if curl -s -o /dev/null -w "%{http_code}" ${API7_ADMIN_URL}/apisix/admin/routes \
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-H "X-API-KEY: ${API7_ADMIN_KEY}" | grep -q "200\|401"; then
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echo "API7 Gateway is ready!"
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break
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fi
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echo "API7 Gateway not ready, retrying... ($RETRY_COUNT/$MAX_RETRIES)"
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RETRY_COUNT=$((RETRY_COUNT + 1))
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sleep 10
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done
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if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
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echo "ERROR: API7 Gateway not ready after $MAX_RETRIES attempts"
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exit 1
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fi
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{{- if .Values.api7.tls.certManager.enabled }}
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# Copy certificates to config directory
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cp /etc/ssl/certs/tls.crt /tmp/tls.crt
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cp /etc/ssl/certs/tls.key /tmp/tls.key
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# Update certificate paths in config
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sed -i 's|/etc/ssl/certs/tls.crt|/tmp/tls.crt|g' /config/adc-config.yaml
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sed -i 's|/etc/ssl/certs/tls.key|/tmp/tls.key|g' /config/adc-config.yaml
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{{- end }}
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# Validate configuration
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echo "Validating ADC configuration..."
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adc validate -f /config/adc-config.yaml || {
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echo "ERROR: Configuration validation failed"
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cat /config/adc-config.yaml
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exit 1
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}
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# Sync configuration to API7
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echo "Syncing configuration to API7 Gateway..."
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adc sync -f /config/adc-config.yaml \
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--backend {{ .Values.api7.backend | default "api7ee" }} \
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--server ${API7_ADMIN_URL} \
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--token ${API7_ADMIN_KEY} \
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--gateway-group ${API7_GATEWAY_GROUP} \
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{{- if .Values.api7.adc.tlsSkipVerify }}
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--tls-skip-verify \
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{{- end }}
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--verbose || {
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echo "ERROR: Failed to sync configuration"
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exit 1
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}
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echo "✅ API7 configuration sync completed successfully!"
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{{- if .Values.api7.autoPublish }}
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# Auto-publish routes
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echo "Auto-publishing routes..."
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# Get list of services and routes
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SERVICES=$(curl -s ${API7_ADMIN_URL}/apisix/admin/services \
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-H "X-API-KEY: ${API7_ADMIN_KEY}" | jq -r '.list[].id' || echo "")
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for SERVICE_ID in $SERVICES; do
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echo "Publishing routes for service: $SERVICE_ID"
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# Get routes for this service
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ROUTES=$(curl -s ${API7_ADMIN_URL}/apisix/admin/services/${SERVICE_ID}/routes \
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-H "X-API-KEY: ${API7_ADMIN_KEY}" | jq -r '.list[].id' || echo "")
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for ROUTE_ID in $ROUTES; do
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echo "Publishing route: $ROUTE_ID"
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curl -X POST ${API7_ADMIN_URL}/apisix/admin/services/${SERVICE_ID}/routes/${ROUTE_ID}/publish \
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-H "X-API-KEY: ${API7_ADMIN_KEY}" \
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-H "Content-Type: application/json" \
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-d "{\"gateway_group_id\": \"${API7_GATEWAY_GROUP}\"}" || {
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echo "Warning: Failed to publish route $ROUTE_ID"
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}
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done
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done
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echo "✅ Routes published successfully!"
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{{- end }}
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# Display summary
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echo ""
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echo "=========================================="
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echo "API7 Configuration Summary:"
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echo "=========================================="
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echo "Gateway URL: ${API7_ADMIN_URL}"
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echo "Gateway Group: ${API7_GATEWAY_GROUP}"
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echo "Hosts configured:"
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{{- range .Values.api7.hosts }}
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echo " - {{ . }}"
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{{- end }}
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{{- if .Values.api7.tls.enabled }}
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echo "TLS: Enabled"
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{{- end }}
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{{- if .Values.api7.serviceDiscovery.enabled }}
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echo "Service Discovery: Kubernetes"
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{{- end }}
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echo "=========================================="
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echo ""
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echo "Access your application at:"
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{{- range .Values.api7.hosts }}
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echo " {{ if $.Values.api7.tls.enabled }}https{{ else }}http{{ end }}://{{ . }}"
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{{- end }}
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env:
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- name: ADC_VERBOSE
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value: "{{ .Values.api7.adc.verbose | default true }}"
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- name: API7_ADMIN_URL
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valueFrom:
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secretKeyRef:
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name: {{ include "api7ee.fullname" . }}-api7-admin
|
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key: admin-url
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||||
- name: API7_ADMIN_KEY
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valueFrom:
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secretKeyRef:
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name: {{ include "api7ee.fullname" . }}-api7-admin
|
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key: admin-key
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||||
- name: API7_GATEWAY_GROUP
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||||
valueFrom:
|
||||
secretKeyRef:
|
||||
name: {{ include "api7ee.fullname" . }}-api7-admin
|
||||
key: gateway-group
|
||||
volumeMounts:
|
||||
- name: adc-config
|
||||
mountPath: /config
|
||||
readOnly: true
|
||||
{{- if .Values.api7.tls.certManager.enabled }}
|
||||
- name: tls-certs
|
||||
mountPath: /etc/ssl/certs
|
||||
readOnly: true
|
||||
{{- end }}
|
||||
resources:
|
||||
limits:
|
||||
cpu: 500m
|
||||
memory: 256Mi
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 128Mi
|
||||
volumes:
|
||||
- name: adc-config
|
||||
configMap:
|
||||
name: {{ include "api7ee.fullname" . }}-adc-config
|
||||
{{- if .Values.api7.tls.certManager.enabled }}
|
||||
- name: tls-certs
|
||||
secret:
|
||||
secretName: {{ .Values.api7.tls.secretName | default (printf "%s-tls" (include "api7ee.fullname" .)) }}
|
||||
{{- end }}
|
||||
{{- end }}
|
||||
36
helm/api7ee/templates/rbac-adc.yaml
Normal file
36
helm/api7ee/templates/rbac-adc.yaml
Normal file
@@ -0,0 +1,36 @@
|
||||
{{- if and .Values.api7.enabled .Values.serviceAccount.create }}
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
kind: Role
|
||||
metadata:
|
||||
name: {{ include "api7ee.fullname" . }}-adc
|
||||
labels:
|
||||
{{- include "api7ee.labels" . | nindent 4 }}
|
||||
rules:
|
||||
# Allow reading secrets (for certificates)
|
||||
- apiGroups: [""]
|
||||
resources: ["secrets"]
|
||||
verbs: ["get", "list"]
|
||||
# Allow reading services and endpoints for service discovery
|
||||
- apiGroups: [""]
|
||||
resources: ["services", "endpoints"]
|
||||
verbs: ["get", "list", "watch"]
|
||||
# Allow reading pods for health checks
|
||||
- apiGroups: [""]
|
||||
resources: ["pods"]
|
||||
verbs: ["get", "list"]
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
kind: RoleBinding
|
||||
metadata:
|
||||
name: {{ include "api7ee.fullname" . }}-adc
|
||||
labels:
|
||||
{{- include "api7ee.labels" . | nindent 4 }}
|
||||
roleRef:
|
||||
apiGroup: rbac.authorization.k8s.io
|
||||
kind: Role
|
||||
name: {{ include "api7ee.fullname" . }}-adc
|
||||
subjects:
|
||||
- kind: ServiceAccount
|
||||
name: {{ include "api7ee.serviceAccountName" . }}
|
||||
namespace: {{ .Release.Namespace }}
|
||||
{{- end }}
|
||||
14
helm/api7ee/templates/secret-api7.yaml
Normal file
14
helm/api7ee/templates/secret-api7.yaml
Normal file
@@ -0,0 +1,14 @@
|
||||
{{- if .Values.api7.enabled }}
|
||||
apiVersion: v1
|
||||
kind: Secret
|
||||
metadata:
|
||||
name: {{ include "api7ee.fullname" . }}-api7-admin
|
||||
labels:
|
||||
{{- include "api7ee.labels" . | nindent 4 }}
|
||||
app.kubernetes.io/component: api7
|
||||
type: Opaque
|
||||
stringData:
|
||||
admin-key: {{ .Values.api7.gateway.adminKey | quote }}
|
||||
admin-url: {{ .Values.api7.gateway.adminUrl | quote }}
|
||||
gateway-group: {{ .Values.api7.gateway.group | default "default" | quote }}
|
||||
{{- end }}
|
||||
@@ -194,4 +194,92 @@ configMap:
|
||||
# Secrets for sensitive data
|
||||
secrets:
|
||||
create: false
|
||||
data: {}
|
||||
data: {}
|
||||
|
||||
# API7 Gateway Configuration
|
||||
api7:
|
||||
enabled: true # Enable API7 ADC configuration
|
||||
|
||||
# ADC Container settings
|
||||
adc:
|
||||
image: ghcr.io/api7/adc:latest
|
||||
imagePullPolicy: IfNotPresent
|
||||
verbose: true
|
||||
tlsSkipVerify: false # Set to true for self-signed certificates
|
||||
|
||||
# API7 Gateway connection
|
||||
gateway:
|
||||
adminUrl: http://api7-gateway.api7ee.svc.cluster.local:9180
|
||||
adminKey: "edd1c9f034335f136f87ad84b625c8f1" # Change this!
|
||||
group: default
|
||||
|
||||
# Backend type (api7ee or apisix)
|
||||
backend: api7ee
|
||||
|
||||
# Auto-publish routes after sync
|
||||
autoPublish: true
|
||||
|
||||
# Hosts for routing
|
||||
hosts:
|
||||
- demo.commandware.it
|
||||
|
||||
# TLS/SSL Configuration
|
||||
tls:
|
||||
enabled: true
|
||||
# Option 1: Use cert-manager
|
||||
certManager:
|
||||
enabled: true
|
||||
issuer: letsencrypt-prod # ClusterIssuer name
|
||||
issuerKind: ClusterIssuer # or Issuer
|
||||
# Option 2: Use existing secret
|
||||
secretName: "" # Name of existing TLS secret
|
||||
# Option 3: Provide certificates directly (not recommended for production)
|
||||
certificate: ""
|
||||
key: ""
|
||||
|
||||
# Service Discovery
|
||||
serviceDiscovery:
|
||||
enabled: true # Use Kubernetes service discovery
|
||||
namespace: "" # Leave empty to use release namespace
|
||||
|
||||
# API7 Plugins Configuration
|
||||
plugins:
|
||||
# Rate limiting
|
||||
rateLimit:
|
||||
enabled: true
|
||||
count: 100
|
||||
timeWindow: 60
|
||||
apiCount: 1000 # Higher limit for API endpoints
|
||||
|
||||
# CORS configuration
|
||||
cors:
|
||||
enabled: true
|
||||
allowOrigins: ["*"]
|
||||
allowMethods: ["GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD", "PATCH"]
|
||||
allowHeaders: ["*"]
|
||||
exposeHeaders: ["*"]
|
||||
maxAge: 3600
|
||||
allowCredentials: false
|
||||
|
||||
# Authentication
|
||||
auth:
|
||||
enabled: false
|
||||
header: X-API-Key
|
||||
|
||||
# Prometheus metrics
|
||||
prometheus:
|
||||
enabled: true
|
||||
|
||||
# Request logging
|
||||
logging:
|
||||
enabled: false
|
||||
endpoint: http://logging-service:8080/logs
|
||||
batchMaxSize: 1000
|
||||
inactiveTimeout: 5
|
||||
|
||||
# API Consumers (for authentication)
|
||||
consumers:
|
||||
- username: demo-user
|
||||
apiKey: demo-key-12345
|
||||
- username: admin
|
||||
apiKey: admin-key-67890
|
||||
Reference in New Issue
Block a user