Use luarocks to manage Lua dependencies

images/nginx/rootfs/build.sh

@@ -126,9 +126,6 @@ export LUA_RESTY_REDIS_VERSION=0.30
 # Check for recent changes: https://github.com/api7/lua-resty-ipmatcher/compare/v0.6.1...master
 export LUA_RESTY_IPMATCHER_VERSION=0.6.1
 
-# Check for recent changes: https://github.com/ElvinEfendi/lua-resty-global-throttle/compare/v0.2.0...main
-export LUA_RESTY_GLOBAL_THROTTLE_VERSION=0.2.0
-
 # Check for recent changes:  https://github.com/microsoft/mimalloc/compare/v1.7.6...master
 export MIMALOC_VERSION=1.7.6
 
@@ -323,9 +320,6 @@ get_src c15aed1a01c88a3a6387d9af67a957dff670357f5fdb4ee182beb44635eef3f1 \
 get_src efb767487ea3f6031577b9b224467ddbda2ad51a41c5867a47582d4ad85d609e \
         "https://github.com/api7/lua-resty-ipmatcher/archive/v$LUA_RESTY_IPMATCHER_VERSION.tar.gz"
 
-get_src 0fb790e394510e73fdba1492e576aaec0b8ee9ef08e3e821ce253a07719cf7ea \
-        "https://github.com/ElvinEfendi/lua-resty-global-throttle/archive/v$LUA_RESTY_GLOBAL_THROTTLE_VERSION.tar.gz"
-
 get_src d74f86ada2329016068bc5a243268f1f555edd620b6a7d6ce89295e7d6cf18da \
         "https://github.com/microsoft/mimalloc/archive/refs/tags/v${MIMALOC_VERSION}.tar.gz"
 
@@ -721,9 +715,6 @@ make install
 cd "$BUILD_PATH/lua-resty-ipmatcher-$LUA_RESTY_IPMATCHER_VERSION"
 INST_LUADIR=/usr/local/lib/lua make install
 
-cd "$BUILD_PATH/lua-resty-global-throttle-$LUA_RESTY_GLOBAL_THROTTLE_VERSION"
-make install
-
 cd "$BUILD_PATH/mimalloc-$MIMALOC_VERSION"
 mkdir -p out/release
 cd out/release

rootfs/Dockerfile

@@ -14,6 +14,25 @@
 
 ARG BASE_IMAGE
 
+# Prepare Lua files and their dependencies.
+FROM ${BASE_IMAGE} as lua_builder
+RUN apk add \
+  make \
+  wget \
+  git
+RUN curl -sSL -o /tmp/luarocks.tar.gz https://github.com/luarocks/luarocks/archive/refs/tags/v3.9.2.tar.gz \
+  && echo "a0b36cd68586cd79966d0106bb2e5a4f5523327867995fd66bee4237062b3e3b */tmp/luarocks.tar.gz" | sha256sum -c - \
+  && tar -C /tmp -xzf /tmp/luarocks.tar.gz \
+  && cd /tmp/luarocks* \
+  && ./configure \
+  && make \
+  && make install
+COPY etc/nginx/lua /lua
+WORKDIR /lua
+RUN luarocks make --local --tree /luarocks ingress-nginx-lua-main-1.rockspec
+
+
+# Build the final image.
 FROM ${BASE_IMAGE}
 
 ARG TARGETARCH
@@ -39,7 +58,11 @@ RUN apk update \
     diffutils \
   && rm -rf /var/cache/apk/*
 
-COPY --chown=www-data:www-data etc /etc
+COPY --chown=www-data:www-data etc/nginx/template /etc/nginx/template
+COPY --chown=www-data:www-data etc/nginx/nginx.conf /etc/nginx
+COPY --chown=www-data:www-data etc/nginx/opentracing.json /etc/nginx
+COPY --from=lua_builder --chown=www-data:www-data /luarocks/lib/luarocks/rocks-5.1/ingress-nginx-lua/main-1/ingress-nginx-lua /etc/nginx/lua 
+COPY --from=lua_builder --chown=www-data:www-data /luarocks/share/lua/5.1 /usr/local/lib/lua
 
 COPY --chown=www-data:www-data bin/${TARGETARCH}/dbg /
 COPY --chown=www-data:www-data bin/${TARGETARCH}/nginx-ingress-controller /

rootfs/etc/nginx/lua/Makefile

@@ -0,0 +1,17 @@
+ all:
+	@echo --- build
+	@echo CFLAGS: $(CFLAGS)
+	@echo LIBFLAG: $(LIBFLAG)
+	@echo LUA_LIBDIR: $(LUA_LIBDIR)
+	@echo LUA_BINDIR: $(LUA_BINDIR)
+	@echo LUA_INCDIR: $(LUA_INCDIR)
+
+.PHONY: install
+install:
+	@echo $(INST_PREFIX)
+	@echo $(INST_CONFDIR)
+	@echo INST_LIBDIR: $(INST_LIBDIR)
+	@echo INST_LUADIR: $(INST_LUADIR)
+	mkdir $(INST_PREFIX)/ingress-nginx-lua
+	cp -r . $(INST_PREFIX)/ingress-nginx-lua
+	rm -rf $(INST_PREFIX)/ingress-nginx-lua/test $(INST_PREFIX)/ingress-nginx-lua/Makefile $(INST_PREFIX)/ingress-nginx-lua/*.rockspec

rootfs/etc/nginx/lua/ingress-nginx-lua-main-1.rockspec

@@ -0,0 +1,32 @@
+package = "ingress-nginx-lua"
+version = "main-1"
+supported_platforms = {"linux", "macosx"}
+source = {
+   url = "git+https://github.com/kubernetes/ingress-nginx.git"
+}
+description = {
+   summary = "Lua modules for ingress-nginx.",
+   homepage = "https://github.com/kubernetes/ingress-nginx",
+   license = "Apache License 2.0"
+}
+dependencies = {
+   "lua-resty-global-throttle >= 0.2"
+}
+build = {
+   type = "make",
+   build_variables = {
+      CFLAGS="$(CFLAGS)",
+      LIBFLAG="$(LIBFLAG)",
+      LUA_LIBDIR="$(LUA_LIBDIR)",
+      LUA_BINDIR="$(LUA_BINDIR)",
+      LUA_INCDIR="$(LUA_INCDIR)",
+      LUA="$(LUA)",
+   },
+   install_variables = {
+      INST_PREFIX="$(PREFIX)",
+      INST_BINDIR="$(BINDIR)",
+      INST_LIBDIR="$(LIBDIR)",
+      INST_LUADIR="$(LUADIR)",
+      INST_CONFDIR="$(CONFDIR)",
+   },
+}