Merge pull request k0sproject#3729 from k0sproject/backport-2847-to-r…

…elease-1.26

[Backport release-1.26] Test Autopilot updates for current and previous k0s minor versions

.github/workflows/go.yml

@@ -271,10 +271,19 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
 
-      - id: set-matrix
+      - name: Generate Autopilot test matrix
+        id: set-matrix
         run: |
-          matrix=$(./hack/tools/gen-matrix.sh 1.24.3 1.24.4)
-          echo matrix="$matrix" >> $GITHUB_OUTPUT
+          set -x
+          k8sVersion="$(./vars.sh kubernetes_version)"
+          majorVersion="${k8sVersion%%.*}"
+          minorVersion=${k8sVersion#$majorVersion.}
+          minorVersion="${minorVersion%%.*}"
+
+          {
+            printf matrix=
+            hack/tools/gen-matrix.sh "$majorVersion.$(($minorVersion - 1))" "$majorVersion.$minorVersion"
+          } >> "$GITHUB_OUTPUT"
 
   autopilot-smoketest:
     name: Autopilot smoke test

hack/tools/gen-matrix.sh

@@ -1,20 +1,38 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
-# Founds the last k0s releases of the given versions and generates json MATRIX_OUTPUT for github actions.
+# Finds the last k0s releases of the given versions and generates json MATRIX_OUTPUT for github actions.
 # Usage:
 #  ./gen-matrix.sh 1.24.2 1.24.3
-# Output: ["v1.24.2+k0s.0","v1.24.3+k0s.0"]
+# Output: ["v1.24.2+k0s.0", "v1.24.3+k0s.0"]
 
-go install github.com/k0sproject/version/cmd/[email protected]
-GOBIN="$(go env GOPATH)/bin"
-MATRIX_OUTPUT="["
-COMMA=""
-for i in "$@"; do \
-  RELEASE=$(gh release list -L 100 -R k0sproject/k0s | grep "+k0s." | grep -v Draft | cut -f 1 | $GOBIN/k0s_sort | grep $i | tail -1)
-  MATRIX_OUTPUT+="$COMMA\"$RELEASE\""
-  COMMA=","
-done
+list_k0s_releases() {
+  gh api -X GET /repos/k0sproject/k0s/releases \
+    -F per_page=100 --paginate \
+    --jq '.[] | select(.prerelease == false and .draft == false) | .name'
+}
 
-MATRIX_OUTPUT+="]"
+k0s_sort() {
+  go run github.com/k0sproject/version/cmd/[email protected]
+}
 
-echo $MATRIX_OUTPUT
+latest_release() {
+  list_k0s_releases | grep -F "v$1" | k0s_sort | tail -1
+}
+
+json_print_latest_releases() {
+  printf '['
+
+  pattern='"%s"'
+  for i in "$@"; do
+    latestRelease="$(latest_release "$i")"
+    [ -z "$latestRelease" ] || {
+      # shellcheck disable=SC2059
+      printf "$pattern" "$latestRelease"
+      pattern=', "%s"'
+    }
+  done
+
+  echo ']'
+}
+
+json_print_latest_releases "$@"