Add I Am Alive Message

config_full.json.example

@@ -119,7 +119,8 @@
     "initial_state": "running",
     "forcebuy_enable": false,
     "internals": {
-        "process_throttle_secs": 5
+        "process_throttle_secs": 5,
+        "keep_alive_interval": 60
     },
     "strategy": "DefaultStrategy",
     "strategy_path": "user_data/strategies/"

docs/configuration.md

@@ -98,6 +98,7 @@ Mandatory parameters are marked as **Required**, which means that they are requi
 | `strategy` | DefaultStrategy | Defines Strategy class to use.
 | `strategy_path` | null | Adds an additional strategy lookup path (must be a directory).
 | `internals.process_throttle_secs` | 5 | **Required.** Set the process throttle. Value in second.
+| `internals.keep_alive_interval` | 60 | Print keepalive message every X seconds. Set to 0 to disable keepalive messages.
 | `internals.sd_notify` | false | Enables use of the sd_notify protocol to tell systemd service manager about changes in the bot state and issue keep-alive pings. See [here](installation.md#7-optional-configure-freqtrade-as-a-systemd-service) for more details.
 | `logfile` | | Specify Logfile. Uses a rolling strategy of 10 files, with 1Mb per file.
 | `user_data_dir` | cwd()/user_data | Directory containing user data. Defaults to `./user_data/`.

freqtrade/freqtradebot.py

@@ -50,6 +50,10 @@ class FreqtradeBot:
         # Init objects
         self.config = config
 
+        self._last_alive_msg = 0
+
+        self.keep_alive_interval = self.config.get('internals', {}).get('keep_alive_interval', 60)
+
         self.strategy: IStrategy = StrategyResolver(self.config).strategy
 
         # Check config consistency here since strategies can set certain options
@@ -150,6 +154,11 @@ class FreqtradeBot:
             self.check_handle_timedout()
             Trade.session.flush()
 
+        if (self.keep_alive_interval
+           and (arrow.utcnow().timestamp - self._last_alive_msg > self.keep_alive_interval)):
+            logger.info("I am alive.")
+            self._last_alive_msg = arrow.utcnow().timestamp
+
     def _extend_whitelist_with_trades(self, whitelist: List[str], trades: List[Any]):
         """
         Extend whitelist with pairs from open trades

tests/test_freqtradebot.py

@@ -3648,3 +3648,27 @@ def test_startup_trade_reinit(default_conf, edge_conf, mocker):
     ftbot = get_patched_freqtradebot(mocker, edge_conf)
     ftbot.startup()
     assert reinit_mock.call_count == 0
+
+
+def test_process_i_am_alive(default_conf, mocker, caplog):
+    patch_RPCManager(mocker)
+    patch_exchange(mocker)
+    mocker.patch('freqtrade.exchange.Exchange.exchange_has', MagicMock(return_value=True))
+
+    ftbot = get_patched_freqtradebot(mocker, default_conf)
+    message = "I am alive."
+    ftbot.process()
+    assert log_has(message, caplog)
+    assert ftbot._last_alive_msg != 0
+
+    caplog.clear()
+    # Message is not shown before interval is up
+    ftbot.process()
+    assert not log_has(message, caplog)
+
+    caplog.clear()
+    # Set clock - 70 seconds
+    ftbot._last_alive_msg -= 70
+
+    ftbot.process()
+    assert log_has(message, caplog)