rmetzger commented on a change in pull request #32:
URL: https://github.com/apache/flink-docker/pull/32#discussion_r462079030
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File path: generator.sh
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@@ -0,0 +1,80 @@
+#!/bin/bash -e
+
+# Defaults, can vary between versions
+export SOURCE_VARIANTS=(java11-debian debian )
+
+export LATEST_SCALA="2.12"
+
+function generate() {
+ # define variables
+ dir=$1
+ binary_download_url=$2
+ asc_download_url=$3
+ gpg_key=$4
+ check_gpg=$5
+ flink_release=$6
+ flink_version=$7
+ scala_version=$8
+ source_variant=$9
+
+ from_docker_image="openjdk:8-jre"
+ if [[ $source_variant =~ "java11" ]] ; then
+ from_docker_image="openjdk:11-jre"
+ fi
+
+ ########################################
+ ### generate "Dockerfile" file
+ ########################################
+
+ # overwrite variable based on $source_variant to support non-debian
releases
+ source_file="Dockerfile-debian"
+
+ mkdir "$dir"
+ cp docker-entrypoint.sh "$dir/docker-entrypoint.sh"
+
+ # '&' has special semantics in sed replacement patterns
+ escaped_binary_download_url=$(echo "$binary_download_url" | sed
's/&/\\\&/')
+
+ # generate Dockerfile
+ sed \
+ -e "s,%%BINARY_DOWNLOAD_URL%%,${escaped_binary_download_url}," \
+ -e "s,%%ASC_DOWNLOAD_URL%%,$asc_download_url," \
+ -e "s/%%GPG_KEY%%/$gpg_key/" \
+ -e "s/%%CHECK_GPG%%/${check_gpg}/" \
+ -e "s/%%FROM_IMAGE%%/${from_docker_image}/" \
+ "$source_file.template" > "$dir/Dockerfile"
+
+ ########################################
+ ### generate "release.metadata" file
+ ########################################
+
+ # docker image tags:
+ java11_suffix=""
+ if [[ $source_variant =~ "java11" ]] ; then
+ java11_suffix="-java11"
+ fi
+ # example "1.2.0-scala_2.11-java11"
+ full_tag=${flink_version}-scala_${scala_version}${java11_suffix}
+
+ # example "1.2-scala_2.11-java11"
+ short_tag=${flink_release}-scala_${scala_version}${java11_suffix}
+
+ # example "scala_2.12-java11"
+ scala_tag="scala_${scala_version}${java11_suffix}"
+
+ tags="$full_tag, $short_tag, $scala_tag"
+
+ if [[ "$scala_version" == "$LATEST_SCALA" ]]; then
+ # we are generating the image for the latest scala version, add:
+ # "1.2.0-java11"
+ # "1.2-java11"
+ # "latest-java11"
+ tags="$tags, ${flink_version}${java11_suffix},
${flink_release}${java11_suffix}, latest${java11_suffix}"
+ fi
+
+ echo "Tags: $tags" >> $dir/release.metadata
+
+ # We currently only support amd64 with Flink.
+ echo "Architectures: amd64" >> $dir/release.metadata
Review comment:
As far as I understood (from here
https://github.com/docker-library/official-images#multiple-architectures), we
need to make sure that the image we are referring in `FROM` supports all
architectures we are specifying here.
I guess that we don't need to change anything else for additional ARM
support.
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