mixin: lint dashboards and migrate CI tasks to mise (#2608)

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>

.github/workflows/mixin.yml

@@ -25,7 +25,7 @@ concurrency:
 
 jobs:
   rules:
-    name: Validate Prometheus rules
+    name: Validate mixin rules and dashboard
     runs-on: ubuntu-24.04
     timeout-minutes: 15
     permissions:
@@ -42,20 +42,13 @@ jobs:
         with:
           go-version-file: go.mod
 
-      - name: Cache mixin tools
-        id: tools-cache
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+      - name: Install and cache pinned mixin tools
+        uses: jdx/mise-action@2d8d4cafcbd33be2ea37d2b6f5ad595363d1f1ca # v5.1.1
         with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-${{ runner.arch }}-mixin-tools-${{ hashFiles('contrib/mixin/Makefile', 'go.mod') }}
-
-      - name: Install pinned tools
-        if: steps.tools-cache.outputs.cache-hit != 'true'
-        run: make tools
+          working_directory: contrib/mixin
 
       - name: Build dashboard and check generated changes
-        run: make check-dashboards
+        run: mise run check-dashboards
 
-      - name: Lint and test rules
-        run: |
-          make test PROMTOOL="docker run --rm --entrypoint promtool -v \"$PWD:/mixin:ro\" -w /mixin prom/prometheus:v3.15.0"
+      - name: Lint dashboard and test rules
+        run: mise run test

.github/workflows/pr-check.yaml

@@ -44,13 +44,26 @@ jobs:
 
       - name: check
         run: |
-          PR_TITLE_PREFIX=$(echo "$PR_TITLE" | cut -d':' -f1)
-          if [[ -d "internal/collector/$PR_TITLE_PREFIX" ]] || [[ -d "internal/$PR_TITLE_PREFIX" ]] || [[ -d "pkg/$PR_TITLE_PREFIX" ]] || [[ -d "$PR_TITLE_PREFIX" ]] || [[ "$PR_TITLE_PREFIX" == "docs" ]] || [[ "$PR_TITLE_PREFIX" == "ci" ]] || [[ "$PR_TITLE_PREFIX" == "revert" ]] || [[ "$PR_TITLE_PREFIX" == "fix" ]] || [[ "$PR_TITLE_PREFIX" == "fix(deps)" ]] || [[ "$PR_TITLE_PREFIX" == "feat" ]] || [[ "$PR_TITLE_PREFIX" == "chore" ]] || [[ "$PR_TITLE_PREFIX" == "chore(docs)" ]] || [[ "$PR_TITLE_PREFIX" == "chore(github-actions)" ]] || [[ "$PR_TITLE_PREFIX" == "chore(deps)" ]] || [[ "$PR_TITLE_PREFIX" == "*" ]] || [[ "$PR_TITLE_PREFIX" == "Release"* ]] || [[ "$PR_TITLE_PREFIX" == "Synchronize common files from prometheus/prometheus" ]] || [[ "$PR_TITLE_PREFIX" == "[0."* ]] || [[ "$PR_TITLE_PREFIX" == "[1."* ]]; then
-            exit 0
+          PR_TITLE_PREFIX="${PR_TITLE%%:*}"
+          SCOPED_PREFIX_PATTERN='^([^():]+)\(.*\)(:|$)'
+          if [[ "$PR_TITLE" =~ $SCOPED_PREFIX_PATTERN ]]; then
+            PR_TITLE_PREFIX="${BASH_REMATCH[1]}"
           fi
 
-          echo "PR title must start with an name of an collector package"
-          echo "Example: 'logical_disk: description'"
+          for directory in internal/collector internal pkg .; do
+            if [[ -d "$directory/$PR_TITLE_PREFIX" ]]; then
+              exit 0
+            fi
+          done
+
+          case "$PR_TITLE_PREFIX" in
+            docs|ci|revert|fix|feat|chore|mixin|main|'*'|Release*|'Synchronize common files from prometheus/prometheus'|'[0.'*|'[1.'*)
+              exit 0
+              ;;
+          esac
+
+          echo "PR title must start with a package name or an allowed prefix, optionally followed by a scope"
+          echo "Examples: 'logical_disk: description', 'mixin(dashboard): description', 'chore(github-action): description'"
           exit 1
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}

.github/workflows/runbooks.yml

@@ -60,21 +60,13 @@ jobs:
         with:
           go-version-file: go.mod
 
-      - name: Cache Jsonnet tools
-        id: jsonnet-cache
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+      - name: Install and cache pinned mixin tools
+        uses: jdx/mise-action@2d8d4cafcbd33be2ea37d2b6f5ad595363d1f1ca # v5.1.1
         with:
-          path: |
-            ~/go/bin/jsonnet
-            ~/go/bin/jsonnetfmt
-          key: ${{ runner.os }}-${{ runner.arch }}-runbooks-jsonnet-${{ hashFiles('contrib/mixin/Makefile', 'go.mod') }}
-
-      - name: Install Jsonnet tools
-        if: steps.jsonnet-cache.outputs.cache-hit != 'true'
-        run: make -C contrib/mixin jsonnet-tools
+          working_directory: contrib/mixin
 
       - name: Check alert runbook coverage
-        run: make -C contrib/mixin check-runbooks
+        run: mise -C contrib/mixin run check-runbooks
 
       - name: Set up Pages
         id: pages