Workflow: Base for new one

While I'm automating this you'll need to download the A set from
https://opendata.rapid7.com/sonar.fdns_v2/ to the file a.json.gz.

feed_dns.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+
+import database
+import argparse
+import sys
+
+FUNCTION_MAP = {
+        'a': database.feed_a,
+        'cname': database.feed_cname,
+}
+
+if __name__ == '__main__':
+
+    # Parsing arguments
+    parser = argparse.ArgumentParser(
+        description="TODO")
+    parser.add_argument(
+        '-i', '--input', type=argparse.FileType('r'), default=sys.stdin,
+        help="TODO")
+    args = parser.parse_args()
+
+    database.open_db()
+
+    try:
+        database.time_step('iowait')
+        for line in args.input:
+            database.time_step('feed_json_parse')
+            split = line.split('"')
+            name = split[7]
+            dtype = split[11]
+            value = split[15]
+            # data = json.loads(line)
+            # assert dtype == data['type']
+            # assert name == data['name']
+            # assert value == data['value']
+            database.time_step('feed_switch')
+            FUNCTION_MAP[dtype](name, value)
+            database.time_step('iowait')
+    except KeyboardInterrupt:
+        print("Interupted.")
+        pass
+
+    database.close_db()