[skip ci] WIP: scheduled mixed version tests

Author: mkuratczyk

.github/workflows/test-make-target.yaml

@@ -15,6 +15,14 @@ on:
         required: false
         default: false
         type: boolean
+      previous_version:
+        required: false
+        default: 'tags/v4.0.9'
+        type: string
+      previous_otp_version:
+        required: false
+        default: '26'
+        type: string
       make_target:
         required: true
         type: string
@@ -50,6 +58,41 @@ jobs:
         # restricted to the build jobs to avoid duplication in output.
         disable_problem_matchers: true
 
+    - name: MIXED CLUSTERS - RESTORE OLDER ERLANG FROM CACHE
+      uses: actions/cache/restore@v4
+      if: inputs.mixed_clusters
+      id: cache-older-erlang-restore
+      with:
+        path: ~/.cache/erlang-${{ inputs.previous_otp_version }}
+        key: erlang-${{ inputs.previous_otp_version }}-${{ runner.os }}
+
+    - name: MIXED CLUSTERS - SETUP OLDER ERLANG VERSION
+      uses: erlef/[email protected]
+      if: inputs.mixed_clusters && steps.cache-older-erlang-restore.outputs.cache-hit != 'true'
+      with:
+        otp-version: ${{ inputs.previous_otp_version }}
+        #elixir-version: ${{ inputs.elixir_version }}
+
+    - name: MIXED CLUSTERS - MOVE AND CACHE OLDER ERLANG
+      if: inputs.mixed_clusters && steps.cache-older-erlang-restore.outputs.cache-hit != 'true'
+      run: |
+        # Find the installed Erlang/OTP directory
+        ERLANG_ROOT=$(erl -eval 'io:format("~s~n", [code:root_dir()]), halt().' -noshell)
+        echo "Found Erlang at: $ERLANG_ROOT"
+        
+        # Create cache directory and copy Erlang installation
+        mkdir -p ~/.cache/erlang-${{ inputs.previous_otp_version }}
+        mv "$ERLANG_ROOT" ~/.cache/erlang-${{ inputs.previous_otp_version }}
+        
+        echo "Cached Erlang ${{ inputs.previous_otp_version }} to ~/.cache/erlang-${{ inputs.previous_otp_version }}"
+
+    - name: MIXED CLUSTERS - CACHE OLDER ERLANG VERSION
+      uses: actions/cache/save@v4
+      if: inputs.mixed_clusters && steps.cache-older-erlang-restore.outputs.cache-hit != 'true'
+      with:
+        path: ~/.cache/erlang-${{ inputs.previous_otp_version }}
+        key: erlang-${{ inputs.previous_otp_version }}-${{ runner.os }}
+
     - name: MIXED CLUSTERS - FETCH SIGNING KEYS
       uses: dsaltares/fetch-gh-release-asset@master
       if: inputs.mixed_clusters
@@ -62,7 +105,7 @@ jobs:
       uses: dsaltares/fetch-gh-release-asset@master
       if: inputs.mixed_clusters
       with:
-        version: 'tags/v4.0.9'
+        version: ${{ inputs.previous_version }}
         regex: true
         file: "rabbitmq-server-generic-unix-\\d.+\\.tar\\.xz"
         target: ./

.github/workflows/test-make-tests.yaml

@@ -14,6 +14,14 @@ on:
       mixed_clusters:
         required: true
         type: boolean
+      previous_version:
+        required: false
+        default: 'tags/v4.0.9'
+        type: string
+      previous_otp_version:
+        required: false
+        default: '26'
+        type: string
 jobs:
   test-rabbit:
     name: Test rabbit
@@ -39,6 +47,8 @@ jobs:
       elixir_version: ${{ inputs.elixir_version }}
       metadata_store: ${{ inputs.metadata_store }}
       mixed_clusters: ${{ inputs.mixed_clusters }}
+      previous_version: ${{ inputs.previous_version }}
+      previous_otp_version: ${{ inputs.previous_otp_version }}
       make_target: ${{ matrix.make_target }}
       plugin: rabbit
 
@@ -50,6 +60,8 @@ jobs:
       elixir_version: ${{ inputs.elixir_version }}
       metadata_store: ${{ inputs.metadata_store }}
       mixed_clusters: ${{ inputs.mixed_clusters }}
+      previous_version: ${{ inputs.previous_version }}
+      previous_otp_version: ${{ inputs.previous_otp_version }}
       make_target: parallel-ct-set-1
       plugin: rabbitmq_mqtt
 
@@ -63,6 +75,8 @@ jobs:
       elixir_version: ${{ inputs.elixir_version }}
       metadata_store: ${{ inputs.metadata_store }}
       mixed_clusters: ${{ inputs.mixed_clusters }}
+      previous_version: ${{ inputs.previous_version }}
+      previous_otp_version: ${{ inputs.previous_otp_version }}
       make_target: ct-config_schema ct-unit
       plugin: rabbitmq_peer_discovery_aws
 
@@ -121,5 +135,7 @@ jobs:
       elixir_version: ${{ inputs.elixir_version }}
       metadata_store: ${{ inputs.metadata_store }}
       mixed_clusters: ${{ inputs.mixed_clusters }}
+      previous_version: ${{ inputs.previous_version }}
+      previous_otp_version: ${{ inputs.previous_otp_version }}
       make_target: tests
       plugin: ${{ matrix.plugin }}

.github/workflows/test-mixed-clusters-scheduled.yaml

@@ -0,0 +1,49 @@
+name: Test mixed clusters (scheduled)
+on:
+  push:
+  workflow_dispatch:
+    inputs:
+      erlang_version:
+        description: 'Erlang version'
+        required: true
+        default: '28'
+        type: string
+      elixir_version:
+        description: 'Elixir version'
+        required: true
+        default: '1.18'
+        type: string
+      metadata_store:
+        description: 'Metadata store'
+        required: true
+        default: 'mnesia'
+        type: choice
+        options:
+          - mnesia
+          - khepri
+      previous_version:
+        description: 'Previous version to test against'
+        required: true
+        default: 'tags/v3.13.7'
+        type: string
+      previous_otp_version:
+        description: 'Erlang version for previous RabbitMQ version'
+        required: true
+        default: '26'
+        type: string
+
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  test-mixed-clusters:
+    name: Test mixed clusters
+    uses: ./.github/workflows/test-make-tests.yaml
+    with:
+      erlang_version: ${{ inputs.erlang_version }}
+      elixir_version: ${{ inputs.elixir_version }}
+      metadata_store: ${{ inputs.metadata_store }}
+      mixed_clusters: true
+      previous_version: ${{ inputs.previous_version }}
+      previous_otp_version: ${{ inputs.previous_otp_version }}