Get lates release with goproxy

Signed-off-by: peppi-lotta <[email protected]>
metal3-io · Nov 25, 2024 · 6f2842f · 6f2842f
1 parent 5e6f687
commit 6f2842f
Showing 1 changed file with 74 additions and 29 deletions.
diff --git a/lib/releases.sh b/lib/releases.sh
@@ -1,5 +1,51 @@
 #!/bin/bash
 
+# 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"
+function get_latest_release_from_goproxy() {
+
+  # fail when release_path is not passed
+  local proxuUrl="${1:?no release path is given}"
+
+  # fail when release is not passed
+  local release="${2:?no release given}"
+
+  set +x
+
+  response=$(curl -si "${proxuUrl}")
+
+  # 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 "${response}" | awk 'BEGIN {RS="\r\n\r\n"} NR==3 {print}')
+  fi
+
+  # This gets the latest release
+  sorted=$(echo "${response_body}" | sort -rV)
+  if [ -z "${3}" ]; then
+    release_tag=$(echo "${sorted}" | grep "${release}" -m 1)
+  else
+    # prune based on exluded values given in the command
+    pruned=$(echo "${sorted}" | grep -v -E "${3}" )
+    release_tag=$(echo "${pruned}" | grep "${release}" -m 1)
+  fi
+
+  set -x
+
+  # if release_tag is not found
+  if [ -z "${release_tag}" ]; then
+    echo "Error: release is not found from ${release_path}" >&2
+    exit 1
+  else
+    echo "${release_tag}"
+  fi
+}
+
 function get_latest_release() {
 
   # fail when release_path is not passed
@@ -65,56 +111,55 @@ function get_latest_release() {
   fi
 }
 
-# CAPM3, CAPI and BMO release path
-CAPIRELEASEPATH="{https://api.github.com/repos/${CAPI_BASE_URL:-kubernetes-sigs/cluster-api}/releases}"
-
+CAPIGOPROXY="https://proxy.golang.org/sigs.k8s.io/cluster-api/@v/list"
 # CAPM3, CAPI and BMO releases
 if [ "${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 "${CAPIRELEASEPATH}" "v1.6.")}"
+  export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release_from_goproxy "${CAPIGOPROXY}" "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.")}"
+  export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release_from_goproxy "${CAPIGOPROXY}" "v1.7.")}"
 elif [ "${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 "${CAPIRELEASEPATH}" "v1.8.")}"
+  export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release_from_goproxy "${CAPIGOPROXY}" "v1.8.")}"
 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 "${CAPIRELEASEPATH}" "v1.8.")}"
+  export CAPIRELEASE="${CAPIRELEASE:-$(get_latest_release_from_goproxy "${CAPIGOPROXY}" "v1.8.")}"
 fi
 
 CAPIBRANCH="${CAPIBRANCH:-${CAPIRELEASE}}"
 
 # On first iteration, jq might not be installed
 if [[ "$CAPIRELEASE" == "" ]]; then
-  command -v jq &>/dev/null && echo "Failed to fetch CAPI release from Github" && exit 1
+  command -v jq &>/dev/null && echo "Failed to fetch CAPI release from Github"
+  # CAPM3, CAPI and BMO release path
+  CAPIRELEASEPATH="{https://api.github.com/repos/${CAPI_BASE_URL:-kubernetes-sigs/cluster-api}/releases}"
+
+  # 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.")}"
+  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.")}"
+  fi
+
 fi
 
 if [[ "$CAPM3RELEASE" == "" ]]; then
   command -v jq &>/dev/null && echo "Failed to fetch CAPM3 release from Github" && exit 1
 fi
-
-# Set CAPI_CONFIG_FOLDER variable according to CAPIRELEASE minor version
-  # Starting from CAPI v1.5.0 version cluster-api config folder location has changed
-  # to XDG_CONFIG_HOME folder.
-  # Following code defines the cluster-api config folder location according to CAPI
-  # release version
-
-# TODO(Sunnatillo): Following condition should be removed when CAPM3 v1.4 reaches EOL
-# NOTE(Sunnatillo): When CAPM3 v1.4 reaches EOL CAPI_CONFIG_FOLDER variable can be removed
-# for the sake of reducing variables
-
-version_string="${CAPIRELEASE#v}"
-IFS='.' read -r _ minor _ <<< "$version_string"
-
-if [ "$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"
-fi