APISIX Ingress Controller Helm Chart - NGINX config snippets support (#828)

Author: kamilchociej

charts/apisix-ingress-controller/README.md

@@ -148,6 +148,7 @@ The same for container level, you need to set:
 | fullnameOverride | string | `""` |  |
 | gateway.externalIPs | list | `[]` | load balancer ips |
 | gateway.externalTrafficPolicy | string | `"Cluster"` |  |
+| gateway.nginx.configurationSnippet | object | `{"httpAdmin":"","httpEnd":"","httpSrv":"","httpStart":"","main":"","stream":""}` | Custom configuration snippet. |
 | gateway.nginx.errorLog | string | `"stderr"` | Nginx error logs path |
 | gateway.nginx.errorLogLevel | string | `"warn"` | Nginx error logs level |
 | gateway.nginx.workerConnections | string | `"10620"` | Nginx worker connections |

charts/apisix-ingress-controller/templates/apisix-configmap.yaml

@@ -75,6 +75,24 @@ data:
       worker_rlimit_nofile: {{ .Values.gateway.nginx.workerRlimitNofile }}  # the number of files a worker process can open, should be larger than worker_connections
       event:
         worker_connections: {{ .Values.gateway.nginx.workerConnections  }}
+      {{- if .Values.gateway.nginx.configurationSnippet.main }}
+      main_configuration_snippet: {{- toYaml .Values.gateway.nginx.configurationSnippet.main | indent 6 }}
+      {{- end }}
+      {{- if .Values.gateway.nginx.configurationSnippet.httpStart }}
+      http_configuration_snippet: {{- toYaml .Values.gateway.nginx.configurationSnippet.httpStart | indent 6 }}
+      {{- end }}
+      {{- if .Values.gateway.nginx.configurationSnippet.httpEnd }}
+      http_end_configuration_snippet: {{- toYaml .Values.gateway.nginx.configurationSnippet.httpEnd | indent 6 }}
+      {{- end }}
+      {{- if .Values.gateway.nginx.configurationSnippet.httpSrv }}
+      http_server_configuration_snippet: {{- toYaml .Values.gateway.nginx.configurationSnippet.httpSrv | indent 6 }}
+      {{- end }}
+      {{- if .Values.gateway.nginx.configurationSnippet.httpAdmin }}
+      http_admin_configuration_snippet: {{ toYaml .Values.gateway.nginx.configurationSnippet.httpAdmin | indent 6 }}
+      {{- end }}
+      {{- if .Values.gateway.nginx.configurationSnippet.stream }}
+      stream_configuration_snippet: {{- toYaml .Values.gateway.nginx.configurationSnippet.stream | indent 6 }}
+      {{- end }}
     
     plugins:                          # plugin list (sorted by priority)
       - real-ip                        # priority: 23000

charts/apisix-ingress-controller/values.yaml

@@ -248,6 +248,20 @@ gateway:
     errorLog: stderr
     # -- Nginx error logs level
     errorLogLevel: warn
+    # -- Custom configuration snippet.
+    configurationSnippet:
+      main: |
+
+      httpStart: |
+
+      httpEnd: |
+
+      httpSrv: |
+
+      httpAdmin: |
+
+      stream: |
+
   resources: {}
   securityContext: {}
     # capabilities: