Added the built int functions registry

Still lots to do tho

playbook/models.py

@@ -0,0 +1,26 @@
+from dataclasses import dataclass, field
+from enum import Enum, StrEnum
+from typing import Callable, Dict, List, Any
+
+
+class Status(StrEnum):
+    GOOD = "GOOD"
+    BAD = "BAD"
+
+
+@dataclass
+class StepLog(object):
+    step_name: str
+    status: Status = Status.BAD  # By default set it to bad so the it fails by default
+                                 # The user needs to be explicit
+    duration_sec: int = 0
+    msg: str = ""
+    error: List[str] = field(default_factory=list)
+    substeps: List[StepLog] = field(default_factory=list)
+
+    @property
+    def failed(self) -> bool:
+        """ Checks if the step failed """
+        return len(self.error) > 0 or self.status == Status.BAD
+
+