feat: OBS-392 - server release CI - generate servers matrix

Signed-off-by: Michal Fiedorowicz <[email protected]>

.github/workflows/generate_changed_servers_matrix.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+
+set -e
+
+changed_files=$1
+if [ -z "$changed_files" ]; then
+  echo "Please provide a list of changed files as the first argument."
+  exit 1
+fi
+
+distributor_deps=("diode-server/go.mod" "diode-server/go.sum" "diode-server/cmd/distributor/" "diode-server/distributor/" "diode-server/server/")
+ingester_deps=("diode-server/go.mod" "diode-server/go.sum" "diode-server/cmd/ingester" "diode-server/ingester/" "diode-server/server/")
+reconciler_deps=("diode-server/go.mod" "diode-server/go.sum" "diode-server/cmd/reconciler/" "diode-server/reconciler/" "diode-server/server/")
+
+repo_root_dir=$(git rev-parse --show-toplevel)
+
+declare -A changed_servers
+
+IFS=';'
+
+check_deps() {
+    local -n deps=$1
+    local file_path=$2
+    file_dir="$( dirname "$file_path" )/"
+
+    for dep in "${deps[@]}"; do
+        if [[ "$dep" == "$file_path" ]]; then
+            return 0
+        fi
+        if [[ "$file_dir" =~ ^$dep ]]; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+read -ra changed_files_arr <<< "$changed_files"
+
+for file in "${changed_files_arr[@]}"; do
+  if [[ ! -f "$repo_root_dir/$file" ]]; then
+    echo "File $repo_root_dir/$file does not exist, skipping"
+    continue
+  fi
+
+  if check_deps distributor_deps "$file" && [[ ! -v changed_servers["distributor"] ]]; then
+    changed_servers["distributor"]=1
+  fi
+
+  if check_deps ingester_deps "$file" && [[ ! -v changed_servers["ingester"] ]]; then
+    changed_servers["ingester"]=1
+  fi
+
+  if check_deps reconciler_deps "$file" && [[ ! -v changed_servers["reconciler"] ]]; then
+    changed_servers["reconciler"]=1
+  fi
+done
+
+changed_servers_num=${#changed_servers[@]}
+
+matrix_json="{\"include\":["
+
+item_num=0
+for server in "${!changed_servers[@]}"; do
+  matrix_json+="{"
+  matrix_json+="\"server\":\"${server}\""
+  matrix_json+="}"
+  if [[ $item_num -lt $changed_servers_num-1 ]]; then
+    matrix_json+=","
+  fi
+  item_num=$((item_num+1))
+done
+
+matrix_json+="]}"
+
+echo "matrix_json=$matrix_json"
+echo "matrix=$matrix_json" >> $GITHUB_OUTPUT

.github/workflows/server-release.yaml

@@ -12,9 +12,12 @@ env:
   APP_DIR: diode-server
 
 jobs:
-  changed-dirs:
-    name: Changed dirs
+  setup:
+    name: Setup
     runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.generate-matrix.outputs.matrix }}
+      short_sha: ${{ steps.set-sha.outputs.short_sha }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -27,7 +30,11 @@ jobs:
       - name: Get changed dirs
         id: get-changed-dirs
         run: |
-          echo "changed-dirs=$(git diff --name-only origin/${{ github.base_ref }} ${{ steps.short-sha.outputs.short_sha }} | xargs dirname | sort -u | tr '\n' ';')" >> $GITHUB_OUTPUT
-      - name: Echo changed dirs
+          echo "changed-dirs=$(git diff --name-only origin/${{ github.base_ref }} ${{ steps.short-sha.outputs.short_sha }} | sort -u | tr '\n' ';')" >> $GITHUB_OUTPUT
+      - name: Generate servers matrix
+        id: generate-matrix
+        run: ./generate_changed_servers_matrix.sh "${{ steps.get-changed-dirs.outputs.changed-dirs }}"
+      - name: Echo test
         run: |
           echo "changed-dirs: ${{ steps.get-changed-dirs.outputs.changed-dirs }}"
+          echo "matrix: ${{ steps.generate-matrix.outputs.matrix }}"