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Merge pull request #41 from winem/winem-docker-tags-major-minor
Adopt wider tagging model
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| #!/usr/bin/env bash | ||
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| # the first argument must be the name of the container, i.e. st2, st2actionrunner, st2stream | ||
| component=$1 | ||
| # the 2nd argument is the version of the current build and expects at least major.miinor to be provided | ||
| # i.e. 3.3.0, 3.3, 2.10.5 | ||
| build_version=$2 | ||
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| showHelp() { | ||
| echo "Use this script to determine the right tags to be attached to your new image." | ||
| echo | ||
| echo "Syntax: $0 st2component image_version" | ||
| echo "st2component = an valid image of an existing stackstorm component (i.e. st2, st2api, st2stream)" | ||
| echo "image_version = the st2 release used for your current build (i.e. 3.3.0)" | ||
| echo | ||
| echo "Possible output:" | ||
| echo "0 = no additional tags to be updated" | ||
| echo "1 = update the major.minor tag (i.e. 3.3)" | ||
| echo "2 = update the major and the major.minor tag (i.e. 3 and 3.3)" | ||
| echo "3 = update the major and the major.minor tag (i.e. 3 and 3.3) as well as the latest tag" | ||
| echo | ||
| echo "Run $0 -h|--help to show this usage information." | ||
| } | ||
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| case $1 in | ||
| -h|--help) | ||
| showHelp | ||
| exit | ||
| ;; | ||
| esac | ||
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| if [ "$#" -ne 2 ]; then | ||
| echo "Error: Missing or unexpected number of positional arguments. Expected: 2" | ||
| showHelp | ||
| exit 1 | ||
| fi | ||
|
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||
| # check for dependencies | ||
| missing_packages="" | ||
| for dep in curl jq; do | ||
| if ! which $dep > /dev/null; then | ||
| missing_packages+=" $dep" | ||
| fi | ||
| done | ||
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||
| if [ ! -z "${missing_packages}" ]; then | ||
| echo "Error: Requirement(s) not satisfied: ${missing_packages}" | ||
| exit 1 | ||
| fi | ||
|
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| if [[ ${build_version} =~ ^([0-9]+)\.([0-9]+).?([0-9]*)$ ]]; then | ||
| build_major=${BASH_REMATCH[1]} | ||
| build_minor=${BASH_REMATCH[2]} | ||
| build_patch=${BASH_REMATCH[3]} | ||
| else | ||
| echo "Error: The provided version ${build_version} does not have the expected format." | ||
| exit 1 | ||
| fi | ||
|
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| if [ -z ${build_patch} ]; then | ||
| build_patch=0 | ||
| fi | ||
|
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| tag_update_flag=0 | ||
| # possible values of the tag_update flag: | ||
| # 0 = no additional tags to be set | ||
| # (this applies just in case of builds for older releases while a newer minor or minor.patch is already available) | ||
| # 1 = add the major.minor tag | ||
| # (this applies, if the build is for is just for a new patch version) | ||
| # 2 = add the tags major and major.minor | ||
| # (this applies if the build is for a version equal to or greater than the latest minor of a major) | ||
| # 3 = add the tags latest in addition to the tags from #2 | ||
| # (this applies if the build with the major, minor and patch version being equal to or greater than the currently latest version | ||
| # or if the build is for a completely new st2 component) | ||
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| # check if there are already images for the given component available at dockerhub | ||
| dockerhub_registry_status_code=$(curl -sfL -o /dev/null -w "%{http_code}" https://registry.hub.docker.com/v1/repositories/stackstorm/${component}/tags) | ||
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| if [ ${dockerhub_registry_status_code} -eq 404 ]; then | ||
| # there is no repository stackstorm/${component} available at dockerhub -> this build is for a new st2 component | ||
| tag_update_flag=3 | ||
| exit | ||
| elif [ ${dockerhub_registry_status_code} -ne 200 ]; then | ||
| echo "Error: Unexpected HTTP statuscode for https://registry.hub.docker.com/v1/repositories/stackstorm/${component}/tags: ${dockerhub_registry_status_code}" | ||
| exit 1 | ||
| fi | ||
|
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||
| # dockerhub lists the tags in ascending order. 1st object = lowest tag; last object = highest tag or latest | ||
| docker_tags_json=$(curl -s https://registry.hub.docker.com/v1/repositories/stackstorm/${component}/tags) | ||
| readarray -t available_releases < <(echo $docker_tags_json | jq -r '.[] | select((.name | endswith("dev") | not) and (.name=="latest" | not)).name' | sort) | ||
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| # sort returns the list with the highest tag or "latest" as last item | ||
| # so change the value below to -2 when introducing the tag latest to get i.e. 3.3.0 instead of latest | ||
| latest_release=${available_releases[-1]} | ||
| latest_release_array=(${latest_release//\./ }) | ||
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| latest_major=${latest_release_array[0]} | ||
| latest_minor=${latest_release_array[1]} | ||
|
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| # validate the value stored as latest_release | ||
| if [[ ! ${latest_release} =~ ^([0-9]+)\.([0-9]+).?([0-9]*)$ ]]; then | ||
| echo "Error: Unexpected error. The latest release ${latest_release} does not match the expected format." | ||
| fi | ||
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| if [ ${build_version} == ${latest_release} ]; then | ||
| # building a release of the latest st2 version | ||
| tag_update_flag=3 | ||
| else | ||
| # building a release for a st2 version that does not match the latest version | ||
| if [ ${build_major} -le ${latest_major} ]; then | ||
| # building a release for an older major | ||
| readarray -t build_version_major_minor_matching_releases < <(echo $docker_tags_json | jq -r '.[] | select(.name | endswith("dev") | not) | select(.name | startswith("'"${build_major}.${build_minor}"'")).name') | ||
| if [ ${#build_version_major_minor_matching_releases[@]} -ge 1 ]; then | ||
| # at least one version matching the current builds major and minor version is available | ||
| latest_build_version_major_minor_matching_release=${build_version_major_minor_matching_releases[-1]} | ||
| latest_build_version_major_minor_matching_release_array=(${latest_build_version_major_minor_matching_release//\./ }) | ||
| latest_build_version_major_minor_matching_major=${latest_build_version_major_minor_matching_release_array[0]} | ||
| latest_build_version_major_minor_matching_minor=${latest_build_version_major_minor_matching_release_array[1]} | ||
| latest_build_version_major_minor_matching_patch=${latest_build_version_major_minor_matching_release_array[2]} | ||
| if [ ${build_minor} -eq ${latest_minor} ] && \ | ||
| [ ${build_minor} -eq ${latest_build_version_major_minor_matching_minor} ] && \ | ||
| [ ${build_patch} -ge ${latest_build_version_major_minor_matching_patch} ]; then | ||
| # building a release for a new or updated patch version of the current major.minor version | ||
| tag_update_flag=3 | ||
| elif [ ${build_minor} -eq ${latest_build_version_major_minor_matching_minor} ] && \ | ||
| [ ${build_patch} -ge ${latest_build_version_major_minor_matching_patch} ]; then | ||
| # building a release for a new or updated patch version of an old major.minor version | ||
| readarray -t build_version_major_matching_releases < <(echo $docker_tags_json | jq -r '.[] | select(.name | endswith("dev") | not) | select(.name | startswith("'"${build_major}"'")).name') | ||
| latest_build_version_major_matching_release=${build_version_major_matching_releases[-1]} | ||
| latest_build_version_major_matching_release_array=(${latest_build_version_major_matching_release//\./ }) | ||
| latest_build_version_major_matching_minor=${latest_build_version_major_matching_release_array[1]} | ||
| if [ ${build_minor} -ge ${latest_build_version_major_matching_minor} ]; then | ||
| # building a release for a new or updated patch version of the latest or a new minor version of the major release | ||
| tag_update_flag=2 | ||
| else | ||
| # building a release for an older minor version of the major release | ||
| tag_update_flag=1 | ||
| fi | ||
| elif [ ${build_minor} -lt ${latest_minor} ] && [ ${build_patch} -ge ${latest_build_version_major_minor_matching_patch} ]; then | ||
| # building a patch release for an older minor version | ||
| tag_update_flag=1 | ||
| fi | ||
| elif [ ${build_minor} -gt ${latest_minor} ]; then | ||
| # building a release of a new minor version of the current or an old major version | ||
| if [ ${build_major} -eq ${latest_major} ]; then | ||
| # building a release of a new minor for the latest major version | ||
| tag_update_flag=3 | ||
| else | ||
| # building a release for a new minor of an old major version | ||
| tag_update_flag=2 | ||
| fi | ||
| #else | ||
| # # building a release for an old, unreleased major version of st2 | ||
| # tag_update_flag=2 | ||
| fi | ||
| elif [ ${build_major} -gt ${latest_major} ]; then | ||
| # building a release for a new major version | ||
| tag_update_flag=3 | ||
| fi | ||
| fi | ||
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| echo $tag_update_flag |