update templates to add OSS support

Author: pdabelf5

internal/configs/version1/nginx-plus.tmpl

@@ -149,18 +149,18 @@ http {
     {{- if .MainOtelLoadModule}}
     otel_exporter {
         endpoint {{ .MainOtelExporterEndpoint}};
-        {{ if and .MainOtelExporterHeaderName .MainOtelExporterHeaderValue }}
+        {{- if and .MainOtelExporterHeaderName .MainOtelExporterHeaderValue }}
         header {{ .MainOtelExporterHeaderName }} "{{ .MainOtelExporterHeaderValue }}";
         {{- end }}
-        {{ if .MainOtelExporterTrustedCA}}
+        {{- if .MainOtelExporterTrustedCA}}
     #   trusted_certificate <path>;
         {{- end }}
     }
 
-    {{ if .MainOtelServiceName}}
+    {{- if .MainOtelServiceName}}
     otel_service_name {{ .MainOtelServiceName }};
     {{- end }}
-    {{ if .MainOtelGlobalTraceEnabled }}
+    {{- if .MainOtelGlobalTraceEnabled }}
     otel_trace on;
     {{- end}}
     {{- end}}

internal/configs/version1/nginx.tmpl

@@ -11,6 +11,10 @@ daemon off;
 error_log  stderr {{.ErrorLogLevel}};
 pid        /var/lib/nginx/nginx.pid;
 
+{{- if .MainOtelLoadModule}}
+load_module modules/ngx_otel_module.so;
+{{- end}}
+
 {{- if .MainSnippets}}
 {{range $value := .MainSnippets}}
 {{$value}}{{end}}
@@ -104,6 +108,25 @@ http {
     ssl_dhparam {{.SSLDHParam}};
     {{- end}}
 
+    {{- if .MainOtelLoadModule}}
+    otel_exporter {
+        endpoint {{ .MainOtelExporterEndpoint}};
+        {{- if and .MainOtelExporterHeaderName .MainOtelExporterHeaderValue }}
+        header {{ .MainOtelExporterHeaderName }} "{{ .MainOtelExporterHeaderValue }}";
+        {{- end }}
+        {{- if .MainOtelExporterTrustedCA}}
+    #   trusted_certificate <path>;
+        {{- end }}
+    }
+
+    {{- if .MainOtelServiceName}}
+    otel_service_name {{ .MainOtelServiceName }};
+    {{- end }}
+    {{- if .MainOtelGlobalTraceEnabled }}
+    otel_trace on;
+    {{- end}}
+    {{- end}}
+
     server {
         # required to support the Websocket protocol in VirtualServer/VirtualServerRoutes
         set $default_connection_header "";