CI: Added a test for modules builds.

Author: thresheek

.test/config.sh

@@ -5,5 +5,6 @@ imageTests+=(
         templates
         templates-resolver
         workers
+        modules
 	'
 )

.test/tests/modules/nginx.conf.sme

@@ -0,0 +1,34 @@
+user  nginx;
+worker_processes  auto;
+
+load_module modules/ndk_http_module.so;
+load_module modules/ngx_http_echo_module.so;
+load_module modules/ngx_http_set_misc_module.so;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    server {
+        listen 80 default_server;
+        location /hello {
+            set $raw "hello";
+            set_sha1 $digest $raw;
+
+            echo $digest;
+        }
+    }
+}

.test/tests/modules/run.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+set -eo pipefail
+
+dir="$(dirname "$(readlink -f "$BASH_SOURCE")")"
+
+echo $dir
+
+image="$1"
+
+case "$image" in
+    *-perl)
+        ;;
+    *)
+        echo >&2 "skipping non-leaf image: $image"
+        exit
+        ;;
+esac
+
+dockerfile="Dockerfile"
+case "$image" in
+    *alpine*)
+        dockerfile="$dockerfile.alpine"
+        ;;
+esac
+
+clientImage='buildpack-deps:buster-curl'
+# ensure the clientImage is ready and available
+if ! docker image inspect "$clientImage" &> /dev/null; then
+	docker pull "$clientImage" > /dev/null
+fi
+
+# Create an instance of the container-under-test
+modulesImage="$("$HOME/oi/test/tests/image-name.sh" librarytest/nginx-template "$image")"
+DOCKER_BUILDKIT=0 docker build --build-arg NGINX_FROM_IMAGE="$image" --build-arg ENABLED_MODULES="ndk set-misc echo" -t "$modulesImage" -f "modules/$dockerfile" "$GITHUB_WORKSPACE/modules"
+
+serverImage="${modulesImage}-sme"
+"$HOME/oi/test/tests/docker-build.sh" "$dir" "$serverImage" <<EOD
+FROM $modulesImage
+COPY dir/nginx.conf.sme /etc/nginx/nginx.conf
+EOD
+
+cid="$(docker run -d "$serverImage")"
+trap "docker rm -vf $cid > /dev/null" EXIT
+
+_request() {
+	local method="$1"
+	shift
+
+	local proto="$1"
+	shift
+
+	local url="${1#/}"
+	shift
+
+	if [ "$(docker inspect -f '{{.State.Running}}' "$cid" 2>/dev/null)" != 'true' ]; then
+		echo >&2 "$image stopped unexpectedly!"
+		( set -x && docker logs "$cid" ) >&2 || true
+		false
+	fi
+
+	docker run --rm \
+		--link "$cid":nginx \
+		"$clientImage" \
+		curl -fsSL -X"$method" --connect-to '::nginx:' "$@" "$proto://example.com/$url"
+}
+
+. "$HOME/oi/test/retry.sh" '[ "$(_request GET / --output /dev/null || echo $?)" != 7 ]'
+
+# Check that we can request /
+_request GET http '/hello' | grep 'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d'