Add some debug statements

Author: franksn90

src/main/java/cambio/visualization/prometheus/ImportController.java

@@ -29,7 +29,9 @@ public ResponseEntity<String> importOpenMetrics(@RequestParam("file") MultipartF
             File tmp = File.createTempFile("openmetrics-", ".txt");
             file.transferTo(tmp);
 
-            System.out.println("Store Open Metrics File at: " + tmp.getAbsolutePath());
+            System.out.println("Stored Open Metrics File at: " + tmp.getAbsolutePath());
+
+            System.out.println("Cleaning Prometheus Data");
 
             File tsdb = new File(prometheusDataDir);
             if (tsdb.isDirectory()) {
@@ -40,6 +42,8 @@ public ResponseEntity<String> importOpenMetrics(@RequestParam("file") MultipartF
                 }
             }
 
+            System.out.println("Generate New Data From Metrics File");
+
             // Run promtool
             ProcessBuilder pb = new ProcessBuilder(
                     "promtool", "tsdb", "create-blocks-from", "openmetrics",
@@ -50,13 +54,17 @@ public ResponseEntity<String> importOpenMetrics(@RequestParam("file") MultipartF
             Process process = pb.start();
             int exitCode = process.waitFor();
 
-            //tmp.delete();
+            System.out.println("Cleaning Metrics File");
+
+            tmp.delete();
 
             if (exitCode != 0) {
                 return ResponseEntity.status(500)
                         .body("Failed to import OpenMetrics data. Exit code: " + exitCode);
             }
 
+            System.out.println("Trigger Prometheus reload");
+
             // Trigger Prometheus reload
             RestTemplate rest = new RestTemplate();
             ResponseEntity<String> reloadResp =