[DO NOT MERGE] transport server template

docs/content/configuration/global-configuration/configmap-resource.md

@@ -191,6 +191,7 @@ For more information, view the [VirtualServer and VirtualServerRoute resources](
 |*main-template* | Sets the main NGINX configuration template. | By default the template is read from the file in the container. | [Custom Templates](/nginx-ingress-controller/configuration/global-configuration/custom-templates). |
 |*ingress-template* | Sets the NGINX configuration template for an Ingress resource. | By default the template is read from the file on the container. | [Custom Templates](/nginx-ingress-controller/configuration/global-configuration/custom-templates). |
 |*virtualserver-template* | Sets the NGINX configuration template for an VirtualServer resource. | By default the template is read from the file on the container. | [Custom Templates](/nginx-ingress-controller/configuration/global-configuration/custom-templates). |
+|*transportserver-template* | Sets the NGINX configuration template for a TransportServer resource. | By default the template is read from the file on the container. | [Custom Templates](/nginx-ingress-controller/configuration/global-configuration/custom-templates). |
 {{</bootstrap-table>}}
 
 ---

examples/shared-examples/custom-templates/README.md

@@ -7,6 +7,7 @@ via the following keys:
 - `main-template` - Sets the main NGINX configuration template.
 - `ingress-template` - Sets the Ingress NGINX configuration template for an Ingress resource.
 - `virtualserver-template` - Sets the NGINX configuration template for an VirtualServer resource.
+- `transportserver-template` - Sets the NGINX configuration template for a TransportServer resource.
 
 ## Example
 
@@ -35,6 +36,12 @@ data:
  ...
  }
  {{ end }}
+ transportserver-template: |
+ {{- range $u := .Upstreams }}
+ upstream {{ $u.Name }} {
+ zone {{ $u.Name }} 256k;
+ ...
+ }
 ```
 
 **Notes:**

internal/configs/config_params.go

@@ -99,9 +99,10 @@ type ConfigParams struct {
  MainServerSSLPreferServerCiphers bool
  MainServerSSLProtocols string
 
- IngressTemplate *string
- VirtualServerTemplate *string
- MainTemplate *string
+ IngressTemplate *string
+ VirtualServerTemplate *string
+ MainTemplate *string
+ TransportServerTemplate *string
 
  JWTKey string
  JWTLoginURL string

internal/configs/configmaps.go

@@ -345,6 +345,10 @@ func ParseConfigMap(cfgm *v1.ConfigMap, nginxPlus bool, hasAppProtect bool, hasA
  cfgParams.VirtualServerTemplate = &virtualServerTemplate
  }
 
+ if transportServerTemplate, exists := cfgm.Data["transportserver-template"]; exists {
+ cfgParams.TransportServerTemplate = &transportServerTemplate
+ }
+
  if mainStreamSnippets, exists := GetMapKeyAsStringSlice(cfgm.Data, "stream-snippets", cfgm, "\n"); exists {
  cfgParams.MainStreamSnippets = mainStreamSnippets
  }

internal/configs/configurator.go

@@ -1319,6 +1319,13 @@ func (cnf *Configurator) UpdateConfig(cfgParams *ConfigParams, resources Extende
  }
  }
 
+ if cfgParams.TransportServerTemplate != nil {
+ err := cnf.templateExecutorV2.UpdateTransportServerTemplate(cfgParams.TransportServerTemplate)
+ if err != nil {
+ return allWarnings, fmt.Errorf("error when parsing the TransportServer template: %w", err)
+ }
+ }
+
  mainCfg := GenerateNginxMainConfig(cnf.staticCfgParams, cfgParams)
  mainCfgContent, err := cnf.templateExecutor.ExecuteMainConfigTemplate(mainCfg)
  if err != nil {

internal/configs/version2/template_executor.go

@@ -57,6 +57,17 @@ func (te *TemplateExecutor) UpdateVirtualServerTemplate(templateString *string)
  return nil
 }
 
+// UpdateTransportServerTemplate updates the TransportServer template.
+func (te *TemplateExecutor) UpdateTransportServerTemplate(templateString *string) error {
+ newTemplate, err := template.New("transportServerTemplate").Funcs(helperFunctions).Parse(*templateString)
+ if err != nil {
+ return err
+ }
+ te.transportServerTemplate = newTemplate
+
+ return nil
+}
+
 // ExecuteVirtualServerTemplate generates the content of an NGINX configuration file for a VirtualServer resource.
 func (te *TemplateExecutor) ExecuteVirtualServerTemplate(cfg *VirtualServerConfig) ([]byte, error) {
  var configBuffer bytes.Buffer