Add runs get output command (#247)

*     Add runs get output command

* Fix line to long error

* make some changes

Author: areese

databricks_cli/runs/api.py

@@ -39,3 +39,6 @@ def get_run(self, run_id):
 
     def cancel_run(self, run_id):
         return self.client.cancel_run(run_id)
+
+    def get_run_output(self, run_id):
+        return self.client.get_run_output(run_id)

databricks_cli/runs/cli.py

@@ -120,6 +120,21 @@ def get_cli(api_client, run_id):
     click.echo(pretty_format(RunsApi(api_client).get_run(run_id)))
 
 
+@click.command(context_settings=CONTEXT_SETTINGS)
+@click.option('--run-id', required=True, type=RunIdClickType())
+@debug_option
+@profile_option
+@eat_exceptions
+@provide_api_client
+def get_output_cli(api_client, run_id):
+    """
+    Gets the output of a run
+
+    The output schema is documented https://docs.databricks.com/api/latest/jobs.html#runs-get-output
+    """
+    click.echo(pretty_format(RunsApi(api_client).get_run_output(run_id)))
+
+
 @click.command(context_settings=CONTEXT_SETTINGS)
 @click.option('--run-id', required=True, type=RunIdClickType())
 @debug_option
@@ -151,3 +166,4 @@ def runs_group():
 runs_group.add_command(list_cli, name='list')
 runs_group.add_command(get_cli, name='get')
 runs_group.add_command(cancel_cli, name='cancel')
+runs_group.add_command(get_output_cli, name='get-output')