add ability to specify path to ansible-playbook binary file in runner

src/cotea/runner.py

@@ -1,4 +1,5 @@
 import json
+import os
 import threading
 
 import cotea.utils as cotea_utils
@@ -35,7 +36,8 @@
 
 
 class runner:
-    def __init__(self, pb_path, arg_maker, debug_mod=None, show_progress_bar=False):
+    def __init__(self, pb_path, arg_maker, debug_mod=None, show_progress_bar=False,
+                 ansible_pb_bin="/usr/local/bin/ansible-playbook"):
         logging_lvl = logging.INFO
         if debug_mod:
             logging_lvl= logging.DEBUG
@@ -64,6 +66,11 @@ def __init__(self, pb_path, arg_maker, debug_mod=None, show_progress_bar=False):
         self.progress_bar = ansible_progress_bar()
         self.execution_tree = AnsibleExecTree()
 
+        if os.path.exists(ansible_pb_bin):
+            self.ansible_pb_bin = ansible_pb_bin
+        else:
+            raise Exception(f"Ansible playbook bin {ansible_pb_bin} not found")
+
         self._set_wrappers()
         start_ok = self._start_ansible()
         self.logger.debug("Ansible start ok: %s", start_ok)
@@ -133,7 +140,7 @@ def _except_hook(self, args, /):
 
     def _start_ansible(self):
         args = self.arg_maker.args
-        args.insert(0, "/usr/local/bin/ansible-playbook")
+        args.insert(0, self.ansible_pb_bin)
         args.insert(1, self.pb_path)
 
         self.pbCLI = PlaybookCLI(args)
@@ -363,7 +370,7 @@ def get_all_error_msgs(self):
         return self.update_conn_wrapper.error_msgs
 
 
-    # returns last error msg that wasn't ignored 
+    # returns last error msg that wasn't ignored
     def get_error_msg(self):
         res = ""