Cli: simplify command line

urlchecker_cli.py

@@ -2,13 +2,11 @@ import click
 import sys
 from urlchecker_bot import create_bot
 
-
-@click.group()
-def runUrlChecker():
-    pass
-
-
-@runUrlChecker.command("bot", short_help="Runs url checker bot.")
+@click.command(short_help="Runs url checker bot.")
+@click.option('--run', '-r', help="The bot operation to run.",
+              show_default=True,
+              default='status',
+              type=click.Choice(['crawl', 'status']))
 @click.option(
     "--sqlite", "-s", help="The path of the sqlite DB. (default: :memory:)"
 )
@@ -18,7 +16,7 @@ def runUrlChecker():
 @click.option(
     "--configuration", "-f", help="The path of the configuration file."
 )
-def runWebBot(sqlite, dns, url, domain, configuration):
+def runUrlChecker(run, sqlite, dns, url, domain, configuration):
 
     # click.echo("Running url checker bot")
     mapping = {}
@@ -34,7 +32,12 @@ def runWebBot(sqlite, dns, url, domain, configuration):
     if dns:
         mapping["DNS"] = dns
     bot = create_bot(cfgfile=configuration, mapping=mapping)
+    if run == 'status':
+      return bot.status()
+    elif run == 'crawl':
       return bot.run()
+    else:
+      raise NotImplementedError('Unexpected run: %s' % run)
 
 
 if __name__ == "__main__":