feat(stacks): support automated sync for stacks [EE-248] (#5340)

api/internal/stackutils/stackutils.go

@@ -2,6 +2,7 @@ package stackutils
 
 import (
 	"fmt"
+	"path"
 
 	portainer "github.com/portainer/portainer/api"
 )
@@ -10,3 +11,12 @@ import (
 func ResourceControlID(endpointID portainer.EndpointID, name string) string {
 	return fmt.Sprintf("%d_%s", endpointID, name)
 }
+
+// GetStackFilePaths returns a list of file paths based on stack project path
+func GetStackFilePaths(stack *portainer.Stack) []string {
+	var filePaths []string
+	for _, file := range append([]string{stack.EntryPoint}, stack.AdditionalFiles...) {
+		filePaths = append(filePaths, path.Join(stack.ProjectPath, file))
+	}
+	return filePaths
+}

api/internal/stackutils/stackutils_test.go

@@ -0,0 +1,26 @@
+package stackutils
+
+import (
+	"testing"
+
+	portainer "github.com/portainer/portainer/api"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_GetStackFilePaths(t *testing.T) {
+	stack := &portainer.Stack{
+		ProjectPath: "/tmp/stack/1",
+		EntryPoint:  "file-one.yml",
+	}
+
+	t.Run("stack doesn't have additional files", func(t *testing.T) {
+		expected := []string{"/tmp/stack/1/file-one.yml"}
+		assert.ElementsMatch(t, expected, GetStackFilePaths(stack))
+	})
+
+	t.Run("stack has additional files", func(t *testing.T) {
+		stack.AdditionalFiles = []string{"file-two.yml", "file-three.yml"}
+		expected := []string{"/tmp/stack/1/file-one.yml", "/tmp/stack/1/file-two.yml", "/tmp/stack/1/file-three.yml"}
+		assert.ElementsMatch(t, expected, GetStackFilePaths(stack))
+	})
+}