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Merge pull request #1474 from Nordix/peppi-lotta/get-latest-release-f…
…rom-goproxy 🌱 Get latest releases with GOPROXY
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,120 +1,56 @@ | ||
| #!/bin/bash | ||
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| function get_latest_release() { | ||
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| # fail when release_path is not passed | ||
| local release_path="${1:?no release path is given}" | ||
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| # set url to get 100 releases from first page | ||
| local url="${release_path}?per_page=100&page=1" | ||
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| # fail when release is not passed | ||
| # Requires parameters url and version. An optional parameter can be given to | ||
| # exclude some versions. | ||
| # Example usage: | ||
| # get_latest_release_from_goproxy "https://proxy.golang.org/sigs.k8s.io/cluster-api/@v/list" "v1.8." "beta|rc|pre|alpha" | ||
| get_latest_release_from_goproxy() { | ||
| local proxuUrl="${1:?no release path is given}" | ||
| local release="${2:?no release given}" | ||
| local exclude="${3:-}" | ||
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| set +x | ||
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| if [ -z "${GITHUB_TOKEN:-}" ]; then | ||
| response=$(curl -si "${url}") | ||
| # This gets the latest release | ||
| if [[ -z "${exclude}" ]]; then | ||
| release_tag=$(curl -s "${proxuUrl}" | sort -rV | grep -m1 "^${release}") | ||
| else | ||
| response=$(curl -si "${url}" -H "Authorization: token ${GITHUB_TOKEN}") | ||
| fi | ||
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| # Divide response to headers and body | ||
| response_headers=$(echo "${response}" | awk 'BEGIN {RS="\r\n\r\n"} NR==1 {print}') | ||
| if ! echo "${response_headers}" | grep -q 'Connection established'; then | ||
| response_body=$(echo "${response}" | awk 'BEGIN {RS="\r\n\r\n"} NR==2 {print}') | ||
| else | ||
| response_headers=$(echo "${response}" | awk 'BEGIN {RS="\r\n\r\n"} NR==2 {print}') | ||
| response_body=$(echo "${response}" | awk 'BEGIN {RS="\r\n\r\n"} NR==3 {print}') | ||
| fi | ||
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| # get the last page of releases from headers | ||
| last_page=$(echo "${response_headers}" | grep '^link:' | sed -e 's/^link:.*page=//g' -e 's/>.*$//g') | ||
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| # This gets the latest release as vx.y.z or vx.y.z-rc.0, including any version with a suffix starting with - , for example -rc.0 | ||
| # The order is exactly as released in Github. | ||
| # Downside is that selecting official releases only isn't possible, while pre-release | ||
| # selection is possible given specific enough prefix, like v1.3.0-pre | ||
| release_tag=$(echo "${response_body}" | jq ".[].name" -r | grep -E "${release}" -m 1) | ||
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| # If release_tag is not found in the first page(100 releases), this condition checks from second to last_page | ||
| # until release_tag is found | ||
| if [ -z "${release_tag}" ]; then | ||
| for current_page in $(seq 2 "${last_page}"); do | ||
| url="${release_path}?per_page=100&page=${current_page}" | ||
| if [ -z "${GITHUB_TOKEN:-}" ]; then | ||
| release_tag=$(curl -sL "${url}" | jq ".[].name" -r | grep -E "${release}" -m 1) | ||
| else | ||
| release_tag=$(curl -sL "${url}" -H "Authorization: token ${GITHUB_TOKEN}" | jq ".[].name" -r | grep -E "${release}" -m 1) | ||
| fi | ||
| # if release_tag found break the loop | ||
| if [ -n "${release_tag}" ]; then | ||
| break | ||
| fi | ||
| done | ||
| # prune based on exluded values given in the command | ||
| release_tag=$(curl -s "${proxuUrl}" | sort -rV | grep -vE "${exclude}" | grep -m1 "${release}") | ||
| fi | ||
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| set -x | ||
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| # if release_tag is not found | ||
| if [ -z "${release_tag}" ]; then | ||
| echo "Error: release is not found from ${release_path}" >&2 | ||
| if [[ -z "${release_tag}" ]]; then | ||
| echo "Error: release is not found from ${proxuUrl}" >&2 | ||
| exit 1 | ||
| else | ||
| echo "${release_tag}" | ||
| fi | ||
| echo "${release_tag}" | ||
| } | ||
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| # CAPM3, CAPI and BMO release path | ||
| CAPIRELEASEPATH="{https://api.github.com/repos/${CAPI_BASE_URL:-kubernetes-sigs/cluster-api}/releases}" | ||
| CAPIGOPROXY="https://proxy.golang.org/sigs.k8s.io/cluster-api/@v/list" | ||
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| # Extract release version from release-branch name | ||
| if [[ "${CAPM3RELEASEBRANCH}" == release-* ]]; then | ||
| CAPM3_RELEASE_PREFIX="${CAPM3RELEASEBRANCH#release-}" | ||
| else | ||
| CAPM3_RELEASE_PREFIX="" | ||
| fi | ||
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| # CAPM3, CAPI and BMO releases | ||
| if [ "${CAPM3RELEASEBRANCH}" = "release-1.6" ]; then | ||
| # 1.6.99 points to the head of the release-1.6 branch. Local override for CAPM3 is created for this version. | ||
| export CAPM3RELEASE="v1.6.99" | ||
| export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release "${CAPIRELEASEPATH}" "v1.6.")}" | ||
| elif [ "${CAPM3RELEASEBRANCH}" = "release-1.7" ]; then | ||
| # 1.7.99 points to the head of the release-1.7 branch. Local override for CAPM3 is created for this version. | ||
| export CAPM3RELEASE="v1.7.99" | ||
| export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release "${CAPIRELEASEPATH}" "v1.7.")}" | ||
| elif [ "${CAPM3RELEASEBRANCH}" = "release-1.8" ]; then | ||
| # 1.8.99 points to the head of the release-1.8 branch. Local override for CAPM3 is created for this version. | ||
| export CAPM3RELEASE="v1.8.99" | ||
| export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release "${CAPIRELEASEPATH}" "v1.8.")}" | ||
| # Fetch CAPI version that coresponds to CAPM3_RELEASE_PREFIX release version | ||
| if [[ "${CAPM3_RELEASE_PREFIX}" =~ ^(1\.6|1\.7|1\.8)$ ]]; then | ||
| export CAPM3RELEASE="v${CAPM3_RELEASE_PREFIX}.99" | ||
| CAPI_RELEASE_PREFIX="v${CAPM3_RELEASE_PREFIX}." | ||
| else | ||
| # 1.9.99 points to the head of the main branch of CAPM3. Local override for CAPM3 is created for this version. | ||
| export CAPM3RELEASE="v1.9.99" | ||
| export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release "${CAPIRELEASEPATH}" "v1.8.")}" | ||
| CAPI_RELEASE_PREFIX="v1.8." | ||
| fi | ||
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| export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release_from_goproxy "${CAPIGOPROXY}" "${CAPI_RELEASE_PREFIX}")}" | ||
| CAPIBRANCH="${CAPIBRANCH:-${CAPIRELEASE}}" | ||
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| # On first iteration, jq might not be installed | ||
| if [[ "$CAPIRELEASE" == "" ]]; then | ||
| command -v jq &>/dev/null && echo "Failed to fetch CAPI release from Github" && exit 1 | ||
| fi | ||
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| if [[ "$CAPM3RELEASE" == "" ]]; then | ||
| command -v jq &>/dev/null && echo "Failed to fetch CAPM3 release from Github" && exit 1 | ||
| if [[ -z "${CAPIRELEASE}" ]]; then | ||
| echo "Failed to fetch CAPI release from GOPROXY" | ||
| exit 1 | ||
| fi | ||
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| # Set CAPI_CONFIG_FOLDER variable according to CAPIRELEASE minor version | ||
| # Starting from CAPI v1.5.0 version cluster-api config folder location has changed | ||
| # to XDG_CONFIG_HOME folder. | ||
| # Following code defines the cluster-api config folder location according to CAPI | ||
| # release version | ||
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| # TODO(Sunnatillo): Following condition should be removed when CAPM3 v1.4 reaches EOL | ||
| # NOTE(Sunnatillo): When CAPM3 v1.4 reaches EOL CAPI_CONFIG_FOLDER variable can be removed | ||
| # for the sake of reducing variables | ||
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| version_string="${CAPIRELEASE#v}" | ||
| IFS='.' read -r _ minor _ <<< "$version_string" | ||
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| if [ "$minor" -lt 5 ]; then | ||
| export CAPI_CONFIG_FOLDER="${HOME}/.cluster-api" | ||
| else | ||
| # Default CAPI_CONFIG_FOLDER to $HOME/.config folder if XDG_CONFIG_HOME not set | ||
| CONFIG_FOLDER="${XDG_CONFIG_HOME:-$HOME/.config}" | ||
| export CAPI_CONFIG_FOLDER="${CONFIG_FOLDER}/cluster-api" | ||
| if [[ -z "${CAPM3RELEASE}" ]]; then | ||
| echo "Failed to fetch CAPM3 release from GOPROXY" | ||
| exit 1 | ||
| fi |
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