Add ssh_private_key configuration option

runner_service/configuration.py

@@ -49,6 +49,12 @@ def __init__(self, mode='dev'):
         self.runner_cache_size = 5
         self.debug = Config.MODES[mode].get("debug", True)
 
+        # Path to custom ssh key, by default project/env/ssh_key is used
+        self.ssh_private_key = os.path.join(
+            self.playbooks_root_dir,
+            "env/ssh_key"
+        )
+
         # expiration period in years for the self-signed cert that we generate
         self.cert_expiration = 3
 

runner_service/services/playbook.py

@@ -251,6 +251,11 @@ def start_playbook(playbook_name, vars=None, filter=None, tags=None):
                      "{}".format(configuration.settings.target_user))
         cmdline.append("--user {}".format(configuration.settings.target_user))
 
+    if not configuration.settings.ssh_private_key.endswith('env/ssh_key'):
+        logger.debug("Run the playbook with a private key override of "
+                     "{}".format(configuration.settings.ssh_private_key))
+        cmdline.append("--private-key {}".format(configuration.settings.ssh_private_key))
+
     if cmdline:
         commit_cmdline(cmdline)
 

runner_service/utils.py

@@ -239,8 +239,7 @@ def ssh_connect_ok(host, user=None):
         else:
             user = getpass.getuser()
 
-    priv_key = os.path.join(configuration.settings.playbooks_root_dir,
-                            "env/ssh_key")
+    priv_key = os.path.join(configuration.settings.ssh_private_key)
 
     if not os.path.exists(priv_key):
         return False, "FAILED:SSH key(s) missing from ansible-runner-service"