Set update interval (1-120 days) manually for NVD API

Adds -d (--days) options for passing manual interval to CveXplore.

Requires CveXplore with cve-search/CveXplore#300.

sbin/db_updater.py

@@ -76,7 +76,7 @@ def main(args):
     loop_count = 0
 
     while loop:
-        if not args.l:
+        if not args.l or args.d > 0:
             loop = False
         else:
             loop_count += 1
@@ -88,11 +88,16 @@ def main(args):
             redis_info = "; CPE redis cache enabled"
         else:
             redis_info = ""
-        if args.l:
-            loop_info = f" (loop #{loop_count})"
+        if args.d > 0:
+            days_info = f" (manual interval of {str(args.d)} days)"
+            loop_info = ""  # loop not supported with manual days
         else:
-            loop_info = ""
-        logger.info(f"Update{redis_info}{loop_info}")
+            days_info = ""
+            if args.l:
+                loop_info = f" (loop #{loop_count})"
+            else:
+                loop_info = ""
+        logger.info(f"Update{redis_info}{loop_info}{days_info}")
         logger.info(time.strftime("%a %d %B %Y %H:%M", time.gmtime()))
         logger.info("==========================")
 
@@ -102,7 +107,13 @@ def main(args):
                 f"minimal import without redis-cache-cpe source (-m) is used"
             )
 
-        cvex.database.update()
+        if args.d > 0 and args.l:
+            logger.warning(
+                f"Loop (-l) not supported with manual days (-d, --days); "
+                f"only running once"
+            )
+
+        cvex.database.update(manual_days=args.d)
 
         newelement = 0
         for source in sources:
@@ -165,7 +176,7 @@ def main(args):
                 )
             ).wait()
 
-        if args.l:
+        if args.l and args.d <= 0:
             logger.info("Sleeping 1 hour...")
             time.sleep(3600)
 
@@ -202,6 +213,13 @@ def main(args):
         help="Drop collections and force initial import",
         default=False,
     )
+    argParser.add_argument(
+        "-d",
+        "--days",
+        type=int,
+        help="Set update interval (1-120 days) manually for NVD API (CPE, CVE)",
+        default=0,  # not manually set; updates CPE & CVE since last update
+    )
     argParser.add_argument(
         "-m",
         action="store_true",