/extensions using lua

configs/nginx/nginx.conf

@@ -42,15 +42,27 @@ http {
 
 	include /etc/nginx/ext.d/*/http-ctx.conf;
 
+	lua_shared_dict WS_TOKENS 10m;
+	init_by_lua_block {
+		WS_TOKEN_EXPIRES = 10;
+
+		local cjson = require("cjson");
+		local io = require("io");
+
+		EXTENSIONS = {};
+		local extensions_dir_path = "/etc/nginx/ext.d";
+		for extension in io.popen("ls " .. extensions_dir_path):lines() do
+			local manifest_file = assert(io.open(extensions_dir_path .. "/" .. extension .. "/manifest.json", "r"));
+			local manifest = cjson.decode(manifest_file:read("*all"));
+			manifest_file:close();
+			EXTENSIONS[manifest["name"]] = manifest;
+		end
+	}
+
 #PROD	server {
 #PROD		listen 80;
 #PROD		server_name localhost;
 #PROD		return 301 https://$host$request_uri;
-#PROD	}
-
-#PROD	lua_shared_dict WS_TOKENS 10m;
-#PROD	init_by_lua_block {
-#PROD		WS_TOKEN_EXPIRES = 10;
 #PROD	}
 
 	server {
@@ -84,6 +96,14 @@ http {
 			}
 		}
 
+		location /extensions {
+			default_type "application/json";
+			content_by_lua_block {
+				local cjson = require("cjson");
+				ngx.say(cjson.encode(EXTENSIONS));
+			}
+		}
+
 		location /kvmd/ws {
 #PROD			auth_basic off;
 #PROD			access_by_lua_block {

testenv/Dockerfile

@@ -40,6 +40,7 @@ RUN pacman -Syy \
 		nginx-mainline \
 		ustreamer \
 		socat \
+		lua51-cjson \
 	&& env MAKEPKGOPTS="--skipchecksums --skippgpcheck" user-packer -S --noconfirm nginx-mainline-mod-lua \
 	&& pacman -Sc --noconfirm