fix: incorrect parsing of dates in the snapshot naming

activationDrill/drillServer.py

@@ -153,19 +153,36 @@ class ActivationDrillServer:
         # Group snapshots by date
         date_groups = {}
         for snap in snapshots:
-            # Extract date from snapshot suffix (assuming YYYY-MM-DD_HH-MM-SS format)
+            # Parse snapshot suffix: format is [dataset-name]-YYYY-MM-DD_HH-MM-SS
+            # Example: pool1-hanaStandby_nfs-2025-08-05_15-36-10
             try:
-                date_part = snap['suffix'].split('_')[0] if '_' in snap['suffix'] else snap['suffix']
-                if len(date_part) >= 10:  # YYYY-MM-DD
-                    date_key = date_part[:10]
-                    if date_key not in date_groups:
-                        date_groups[date_key] = []
-                    date_groups[date_key].append(snap)
-            except:
+                suffix = snap['suffix']
+                
+                # Find the last occurrence of a date pattern (YYYY-MM-DD)
+                # This handles cases where dataset names contain dashes
+                import re
+                date_pattern = r'(\d{4}-\d{2}-\d{2})_(\d{2}-\d{2}-\d{2})'
+                match = re.search(date_pattern, suffix)
+                
+                if match:
+                    date_part = match.group(1)  # YYYY-MM-DD
+                    time_part = match.group(2)  # HH-MM-SS
+                    
+                    if date_part not in date_groups:
+                        date_groups[date_part] = []
+                    
+                    # Store both date and time info
+                    snap['parsed_date'] = date_part
+                    snap['parsed_time'] = time_part.replace('-', ':')
+                    date_groups[date_part].append(snap)
+                    
+            except Exception as e:
+                print(f"{Colors.DIM}Warning: Could not parse snapshot {snap['suffix']}: {e}{Colors.ENDC}")
                 continue
         
         if not date_groups:
             print(f"{Colors.RED}✗ No properly formatted snapshots found{Colors.ENDC}")
+            print(f"{Colors.DIM}Expected format: [dataset-name]-YYYY-MM-DD_HH-MM-SS{Colors.ENDC}")
             return None
         
         dates = sorted(date_groups.keys(), reverse=True)
@@ -179,7 +196,14 @@ class ActivationDrillServer:
         print(f"\n{Colors.BOLD}Available Dates:{Colors.ENDC}")
         for i, date in enumerate(dates, 1):
             count = len(date_groups[date])
-            print(f"{Colors.CYAN}{i:2d}.{Colors.ENDC} {date} ({count} snapshot{'s' if count > 1 else ''})")
+            # Format date nicely
+            try:
+                from datetime import datetime
+                date_obj = datetime.strptime(date, '%Y-%m-%d')
+                formatted_date = date_obj.strftime('%B %d, %Y (%A)')
+                print(f"{Colors.CYAN}{i:2d}.{Colors.ENDC} {formatted_date} ({count} snapshot{'s' if count > 1 else ''})")
+            except:
+                print(f"{Colors.CYAN}{i:2d}.{Colors.ENDC} {date} ({count} snapshot{'s' if count > 1 else ''})")
         
         # Select date
         while True:
@@ -195,13 +219,28 @@ class ActivationDrillServer:
         
         # Show snapshots for selected date
         day_snapshots = date_groups[selected_date]
-        print(f"\n{Colors.BOLD}Snapshots for {selected_date}:{Colors.ENDC}")
+        
+        # Format the selected date nicely
+        try:
+            from datetime import datetime
+            date_obj = datetime.strptime(selected_date, '%Y-%m-%d')
+            formatted_date = date_obj.strftime('%B %d, %Y')
+        except:
+            formatted_date = selected_date
+            
+        print(f"\n{Colors.BOLD}Snapshots for {formatted_date}:{Colors.ENDC}")
         
         for i, snap in enumerate(day_snapshots, 1):
-            time_part = "Unknown"
-            if '_' in snap['suffix']:
-                time_part = snap['suffix'].split('_')[1].replace('-', ':')
-            print(f"{Colors.CYAN}{i:2d}.{Colors.ENDC} {time_part} - {snap['creation']}")
+            time_display = snap.get('parsed_time', 'Unknown time')
+            # Make creation time more readable
+            creation_parts = snap['creation'].split()
+            if len(creation_parts) >= 4:
+                # Show just date and time, skip timezone and year if same
+                creation_display = f"{creation_parts[1]} {creation_parts[2]} {creation_parts[3]}"
+            else:
+                creation_display = snap['creation']
+                
+            print(f"{Colors.CYAN}{i:2d}.{Colors.ENDC} {time_display} {Colors.DIM}(created: {creation_display}){Colors.ENDC}")
         
         # Select specific snapshot
         while True:
@@ -210,9 +249,11 @@ class ActivationDrillServer:
                 idx = int(choice) - 1
                 if 0 <= idx < len(day_snapshots):
                     selected_snap = day_snapshots[idx]['name']
+                    selected_time = day_snapshots[idx].get('parsed_time', 'Unknown')
                     
                     # Confirm selection
-                    print(f"\n{Colors.YELLOW}Selected snapshot: {selected_snap}{Colors.ENDC}")
+                    print(f"\n{Colors.YELLOW}Selected: {formatted_date} at {selected_time}{Colors.ENDC}")
+                    print(f"{Colors.DIM}Snapshot: {selected_snap}{Colors.ENDC}")
                     confirm = input(f"{Colors.BOLD}Proceed with this snapshot? (y/N): {Colors.ENDC}")
                     if confirm.lower() == 'y':
                         return selected_snap