[Update] 修改ssh host key生成策略 (#172)

coco/app.py

@@ -8,6 +8,7 @@ import time
 import threading
 import json
 import signal
+import copy
 
 from .conf import config
 from .sshd import SSHServer
@@ -59,10 +60,13 @@ class Coco:
     @ignore_error
     def load_extra_conf_from_server():
         configs = app_service.load_config_from_server()
+        config.update(configs)
+
+        tmp = copy.deepcopy(configs)
+        tmp['HOST_KEY'] = tmp['HOST_KEY'][32:50] + '...'
         logger.debug("Loading config from server: {}".format(
-            json.dumps(configs)
+            json.dumps(tmp)
         ))
-        config.update(configs)
 
     def keep_load_extra_conf(self):
         def func():

coco/sshd.py

@@ -31,7 +31,11 @@ class SSHServer:
     def host_key(self):
         host_key_path = os.path.join(config['ROOT_PATH'], 'keys', 'host_rsa_key')
         if not os.path.isfile(host_key_path):
-            self.gen_host_key(host_key_path)
+            if config.HOST_KEY:
+                with open(host_key_path, 'w') as f:
+                    f.write(config.HOST_KEY)
+            else:
+                self.gen_host_key(host_key_path)
         return paramiko.RSAKey(filename=host_key_path)
 
     @staticmethod