Fix enrichment upload mechanism (closes #194)

snowplow · Jun 5, 2019 · 7255b6b · 7255b6b
1 parent 27a1b9f
commit 7255b6b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/provisioning/resources/control-plane/main.go b/provisioning/resources/control-plane/main.go
@@ -102,6 +102,12 @@ func uploadEnrichments(resp http.ResponseWriter, req *http.Request) {
 		}
 		defer f.Close()
 
+		// Uploaded enrichment can be shorter than the existing one
+		// Truncating to 0 bytes and seeking I/O offset to the beginning
+		// Prevents the possibility of corrupted json
+		f.Truncate(0)
+		f.Seek(0, 0)
+		// Now we can write to file in peace
 		io.WriteString(f, fileContent)
 
 		err = restartService("streamEnrich")