forked from repo-mirrors/cnpg-postgres-containers
75 lines
2.5 KiB
Bash
Executable File
75 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Given a list of PostgreSQL versions (defined as directories in the root
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# folder of the project), this script generates a JSON object that will be used
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# inside the Github workflows as a strategy to create a matrix of jobs to run.
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# The JSON object contains, for each PostgreSQL version, the tags of the
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# container image to be built.
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#
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set -eu
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# Define an optional aliases for some major versions
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declare -A aliases=(
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[14]='latest'
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)
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cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}/..")")"
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BASE_DIRECTORY="$(pwd)"
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# Retrieve the PostgreSQL versions for Debian
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cd ${BASE_DIRECTORY}/Debian
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for version in */; do
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[[ $version == src/ ]] && continue
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debian_versions+=("$version")
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done
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debian_versions=("${debian_versions[@]%/}")
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# Sort the version numbers with highest first
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mapfile -t debian_versions < <(IFS=$'\n'; sort -rV <<< "${debian_versions[*]}")
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# prints "$2$1$3$1...$N"
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join() {
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local sep="$1"
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shift
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local out
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printf -v out "${sep//%/%%}%s" "$@"
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echo "${out#$sep}"
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}
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entries=()
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for version in "${debian_versions[@]}"; do
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# Read versions from the definition file
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versionFile="${version}/.versions.json"
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postgresImageVersion=$(jq -r '.POSTGRES_IMAGE_VERSION | split("-") | .[0]' "${versionFile}")
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releaseVersion=$(jq -r '.IMAGE_RELEASE_VERSION' "${versionFile}")
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# Initial aliases are "major version", "optional alias", "full version with release"
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# i.e. "14", "latest", "14.2-1", "14.2-debian","14.2"
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versionAliases=(
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"${version}"
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${aliases[$version]:+"${aliases[$version]}"}
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"${postgresImageVersion}-${releaseVersion}"
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"${postgresImageVersion}"
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)
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# Add all the version prefixes between full version and major version
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# i.e "13.2"
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while [ "$postgresImageVersion" != "$version" ] && [ "${postgresImageVersion%[.-]*}" != "$postgresImageVersion" ]; do
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versionAliases+=("$postgresImageVersion-debian")
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postgresImageVersion="${postgresImageVersion%[.-]*}"
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done
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# Support platform for container images
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platforms="linux/amd64"
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# Build the json entry
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entries+=(
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"{\"name\": \"Debian ${postgresImageVersion}\", \"platforms\": \"$platforms\", \"dir\": \"Debian/$version\", \"file\": \"Debian/$version/Dockerfile\", \"version\": \"$version\", \"tags\": [\"$(join "\", \"" "${versionAliases[@]}")\"]}"
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)
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done
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# Build the strategy as a JSON object
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strategy="{\"fail-fast\": false, \"matrix\": {\"include\": [$(join ', ' "${entries[@]}")]}}"
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jq -C . <<<"$strategy" # sanity check / debugging aid
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echo "::set-output name=strategy::$(jq -c . <<<"$strategy")"
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