JET-2338: Add support for file scheme in dist URL

Dockerfile-ubuntu.template

@@ -57,8 +57,16 @@ RUN groupadd --system --gid=9999 flink && \
 WORKDIR $FLINK_HOME
 
 # Install Flink
+%%COPY_LOCAL_TGZ%%
 RUN set -ex; \
-  wget -nv -O flink.tgz "$FLINK_TGZ_URL"; \
+  case "$FLINK_TGZ_URL" in \
+    http*) \
+      wget -nv -O flink.tgz "$FLINK_TGZ_URL"; \
+      ;; \
+    *) \
+     # Use the locally copied TGZ file \
+     ;; \
+  esac; \
   \
   if [ "$CHECK_GPG" = "true" ]; then \
     wget -nv -O flink.tgz.asc "$FLINK_ASC_URL"; \

README.md

@@ -14,3 +14,12 @@ in the same folder and version 1.11. Please substitute your folder structure and
 5. Generate docker image (in `flink-docker/dev/flink-1.11-debian`): `docker build -t flink:1.11-SN .`
 6. Run custom Flink docker image: `docker run -it flink:1.11-SN jobmanager`
 
+### Build without running a containerized web server (skip step 3, above)
+
+4. `./add-custom.sh -l -u flink-1.11.tgz -n flink-1.11`  
+  The important changes from above in this step are to include the `-l` option (local TGZ file), and using a plain file as the argument for `-u`  
+  4.a Copy the TGZ file into the Docker context dir (dev/flink-1.11) and make sure the copied filename in the context dir has the same name
+      as given in the `-u` argument.
+
+Proceed with step 5, above.
+

add-custom.sh

@@ -7,18 +7,23 @@
 source "$(dirname "$0")"/generator.sh
 
 function usage() {
-    echo >&2 "usage: $0 -u binary-download-url [-n name] [-j java_version]"
+    echo >&2 "usage: $0 -u binary-download-url [-l] [-n name] [-j java_version]"
 }
 
+local_tgz=false
+copy_local_tgz=
 binary_download_url=
 name=custom
 java_version=${DEFAULT_JAVA}
 
-while getopts u:n:j:h arg; do
+while getopts u:n:j:lh arg; do
   case "$arg" in
     u)
       binary_download_url=$OPTARG
       ;;
+    l)
+      local_tgz=true
+      ;;
     n)
       name=$OPTARG
       ;;
@@ -41,13 +46,18 @@ if [ -z "${binary_download_url}" ]; then
     exit 1
 fi
 
+if [ "${local_tgz}" = "true" ]; then
+    # Use local tgz file
+    copy_local_tgz="COPY $binary_download_url /opt/flink/flink.tgz"
+    binary_download_url=""
+fi
 mkdir -p "dev"
 
 echo -n >&2 "Generating Dockerfiles..."
 for source_variant in "${SOURCE_VARIANTS[@]}"; do
   dir="dev/${name}-${source_variant}"
   rm -rf "${dir}"
   mkdir "$dir"
-  generateDockerfile "${dir}" "${binary_download_url}" "" "" false ${java_version} ${source_variant}
+  generateDockerfile "${dir}" "${binary_download_url}" "" "" false ${java_version} "${source_variant}" "${copy_local_tgz}"
 done
 echo >&2 " done."

generator.sh

@@ -14,6 +14,7 @@ function generateDockerfile {
     check_gpg=$5
     java_version=$6
     source_variant=$7
+    copy_local_tgz=$8
 
     from_docker_image="eclipse-temurin:${java_version}-jre-jammy"
 
@@ -29,6 +30,7 @@ function generateDockerfile {
         -e "s/%%GPG_KEY%%/$gpg_key/" \
         -e "s/%%CHECK_GPG%%/${check_gpg}/" \
         -e "s/%%FROM_IMAGE%%/${from_docker_image}/" \
+        -e "s!%%COPY_LOCAL_TGZ%%!${copy_local_tgz}!" \
         "Dockerfile-$source_variant.template" > "$dir/Dockerfile"
 }