Add finish check for runner

Author: wzshiming

pkg/runner/chunk_runner.go

@@ -29,6 +29,7 @@ import (
 	"net/http"
 	"os"
 	"reflect"
+	"slices"
 	"sort"
 	"strconv"
 	"strings"
@@ -673,6 +674,13 @@ func (r *ChunkRunner) process(continues <-chan struct{}, chunk *v1alpha1.Chunk)
 		return
 	}
 
+	if slices.Contains(etags, "") {
+		r.unmarkRecord(chunk.Name)
+		err := fmt.Errorf("destinations failed to return ETag")
+		s.handleProcessErrorAndRetryable("MissingETag", err)
+		return
+	}
+
 	r.handleSha256AndFinalize(continues, chunk, s, swmr, etags)
 }