add my first dag

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly

airflow/dags/my_dag.py

@@ -0,0 +1,56 @@
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+from datetime import datetime
+from random import randint
+
+
+def _choose_best_model(ti):
+        accuracies = ti.xcom_pull(task_ids=[
+                'training_model_A',
+                'training_model_B',
+                'training_model_C'
+        ])
+        best_accuracy = max(accuracies)
+        if (best_accuracy > 8):
+                return 'accurate'
+        return 'inaccurate'
+
+def _training_model():
+        return randint(1, 10)
+
+with DAG("my_dag", start_date=datetime(2024, 1, 1),
+    schedule_interval="@daily", catchup=False)  as dag:
+
+        training_model_A = PythonOperator(
+            task_id="training_model_A",
+            python_callable=_training_model
+        )
+
+        training_model_B = PythonOperator(
+            task_id="training_model_B",
+            python_callable=_training_model
+        )
+
+        training_model_C = PythonOperator(
+            task_id="training_model_C",
+            python_callable=_training_model
+        )
+
+        choose_best_model = BranchPythonOperator(
+            task_id="choose_best_model",
+            python_callable=_choose_best_model
+        )
+
+        accurate = BashOperator(
+                task_id="accurate",
+                bash_command="echo 'accurate'"
+        )
+
+        inaccurate = BashOperator(
+                task_id="inaccurate",
+                bash_command="echo 'inaccurate'"
+        )
+
+
+        [training_model_A, training_model_B, training_model_C] >> choose_best_model >> [accurate, inaccurate]

airflow/logs/scheduler/latest

@@ -1 +1 @@
-2024-05-26
+2024-06-11