Initial commit.

Jenkinsfile

@@ -0,0 +1,55 @@
+def MODULE_GIT_URL="https://github.com/openresty/lua-nginx-module.git"
+
+pipeline {
+    agent none
+    parallel {
+        stage("Build on nginx:stable-alpine") {
+            agent {
+                docker {
+                    image 'nginx:stable-alpine'
+                    label 'linux && docker && amd64'
+                }
+            }
+            steps {
+                sh 'apk add --no-cache curl gnupg1'
+                sh './download-nginx.sh'
+                
+                dir('module') {
+                    git changelog: false, url: MODULE_GIT_URL
+                }
+
+                /* BUILD DEPENDENCIES */
+                sh 'apk add lua5.1-dev luajit-dev'
+                // FIXME - workaround wrong include path for luajit
+                sh 'echo "#include <luajit-2.1/luajit.h>" > /usr/include/luajit.h'
+
+                sh './build-alpine.sh'
+                archiveArtifacts "*.so,required_packages.txt"
+            }
+        }
+        stage("Build on nginx:mainline-alpine") {
+            agent {
+                docker {
+                    image 'nginx:mainline-alpine'
+                    label 'linux && docker && amd64'
+                }
+            }
+            steps {
+                sh 'apk add --no-cache curl gnupg1'
+                sh './download-nginx.sh'
+                
+                dir('module') {
+                    git changelog: false, url: MODULE_GIT_URL
+                }
+
+                /* BUILD DEPENDENCIES */
+                sh 'apk add lua5.1-dev luajit-dev'
+                // FIXME - workaround wrong include path for luajit
+                sh 'echo "#include <luajit-2.1/luajit.h>" > /usr/include/luajit.h'
+
+                sh './build-alpine.sh'
+                archiveArtifacts "*.so,required_packages.txt"
+            }
+        }
+    }
+}

build-alpine.sh

@@ -0,0 +1,79 @@
+#!/bin/sh -e
+
+resolve_package() {
+	for pkg in "$@"
+	do
+		apk info "$pkg" | head -n1 | awk '{print $1}'
+	done
+}
+
+strip_version_from_pkg_name() {
+	for pkg in "$@"
+	do
+		echo "$pkg" | sed 's,-[0-9a-zA-Z.]\+-r[0-9]\+$,,'
+	done
+}
+
+find_runtime_dependency_pkgs() {
+	for p in "$@"
+	do
+		ldd "$p" 2>/dev/null |\
+		grep '=> .\+\.so' |\
+		awk '{print $3}' |\
+		sort |\
+		uniq |\
+		while read -r so
+		do
+			apk info --who-owns $so
+		done |\
+		awk '{print $5}' |\
+		awk -F- '{print $1}'
+	done
+}
+
+find_devel_pkg() {
+	# shellcheck disable=SC2046
+	strip_version_from_pkg_name $(
+		apk list -d "$1" |\
+		grep dev |\
+		sort |\
+		uniq |\
+		awk '{print $1}'
+	)
+}
+
+# retrieve configure args of already packaged nginx
+NGINX_CONFIGURE_ARGS="$(nginx -V 2>&1 | grep -o '^configure arguments: .*$' | sed 's,^configure arguments: ,,g')"
+# remove preconfigured dynamic modules so only ours will be placed in the objs folder
+NGINX_CONFIGURE_ARGS="$(printf '%s' "$NGINX_CONFIGURE_ARGS" | sed 's,--with-[^=]\+module=dynamic,,g')"
+
+apk update
+
+# Determine all dependencies used for the packaged nginx and install them
+DEPENDENCIES="$(
+	find_runtime_dependency_pkgs /usr/lib/nginx/modules/*.so
+	# shellcheck disable=SC2046
+	strip_version_from_pkg_name $(resolve_package $(apk info -R nginx | tail -n+2))
+)"
+DEVPACKAGES="$(for dep in $DEPENDENCIES; do find_devel_pkg "$dep"; done | sort | uniq)"
+apk add --virtual .build-deps \
+	gcc \
+	libc-dev \
+	make \
+	linux-headers \
+	$DEVPACKAGES
+tar -zx -f nginx.tar.gz
+rm nginx.tar.gz
+cd nginx-*/
+
+./configure $NGINX_CONFIGURE_ARGS --add-dynamic-module=../module --with-debug
+make modules
+
+. /etc/os_release
+
+find_runtime_dependency_pkgs objs/*.so > ../required_packages.txt
+for so in objs/*.so
+do
+	name="$(basename "$so" .so)-$ID$VERSION_ID-nginx$NGINX_VERSION.so"
+	install -m644 "$so" "../$name"
+done

download-nginx.sh

@@ -0,0 +1,24 @@
+#!/bin/sh -ex
+NGINX_GPG_KEYS="B0F4253373F8F6F510D42178520A9993A1C052F8"
+
+# NGINX_VERSION is provided by the Nginx Docker image as env var
+NGINX_URL="https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz"
+
+curl -fSL "$NGINX_URL" -o nginx.tar.gz
+curl -fSL "$NGINX_URL.asc" -o nginx.tar.gz.asc
+
+# GnuPG download integrity check
+GNUPGHOME="$(mktemp -d)"
+export GNUPGHOME
+for server in \
+	ha.pool.sks-keyservers.net  \
+	hkp://keyserver.ubuntu.com:80 \
+	hkp://p80.pool.sks-keyservers.net:80 \
+	pgp.mit.edu \
+; do
+	echo "Fetching GPG key $NGINX_GPG_KEYS from $server"
+	gpg --keyserver "$server" --keyserver-options timeout=10 --recv-keys "$NGINX_GPG_KEYS" && found=yes && break
+done
+test -z "$found" && echo >&2 "error: failed to fetch GPG key $GPG_KEYS" && exit 1
+gpg --batch --verify nginx.tar.gz.asc nginx.tar.gz
+rm -rf "$GNUPGHOME" nginx.tar.gz.asc