kaxil opened a new issue #11731:
URL: https://github.com/apache/airflow/issues/11731
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**Apache Airflow version**: 1.10.12
**What happened**:
Using the following `pod_mutation_hook` failed in 1.10.12 (it should have
been backwards-compatible with 1.10.10) -- possibly I broke it.
```python
from airflow.contrib.kubernetes.pod import Pod
from airflow.configuration import conf
def pod_mutation_hook(pod: Pod):
extra_labels = {
"kubernetes_executor": "False",
"kubernetes_pod_operator": "False"
}
if 'airflow-worker' in pod.labels.keys() or \
conf.get('core', 'EXECUTOR') == "KubernetesExecutor":
extra_labels["kubernetes_executor"] = "True"
else:
extra_labels["kubernetes_pod_operator"] = "True"
pod.labels.update(extra_labels)
pod.tolerations += {{ toJson .Values.podMutation.tolerations }}
pod.affinity.update({{ toJson .Values.podMutation.affinity }})
```
**Error**:
```
[2020-10-21 20:55:11,879] {scheduler_job.py:1401} ERROR - Exception when
executing execute_helper
Traceback (most recent call last):
File
"/usr/lib/python3.7/site-packages/airflow/kubernetes/pod_launcher.py", line
114, in _mutate_pod_backcompat
settings.pod_mutation_hook(dummy_pod)
File "/usr/local/airflow/config/airflow_local_settings.py", line 21, in
pod_mutation_hook
pod.affinity.update({})
AttributeError: 'V1Affinity' object has no attribute 'update'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File
"/usr/lib/python3.7/site-packages/airflow/kubernetes/pod_launcher.py", line
124, in _mutate_pod_backcompat
settings.pod_mutation_hook(pod)
File "/usr/local/airflow/config/airflow_local_settings.py", line 13, in
pod_mutation_hook
if 'airflow-worker' in pod.labels.keys() or \
AttributeError: 'V1Pod' object has no attribute 'labels'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/airflow/jobs/scheduler_job.py",
line 1399, in _execute
self._execute_helper()
File "/usr/lib/python3.7/site-packages/airflow/jobs/scheduler_job.py",
line 1470, in _execute_helper
if not
self._validate_and_run_task_instances(simple_dag_bag=simple_dag_bag):
File "/usr/lib/python3.7/site-packages/airflow/jobs/scheduler_job.py",
line 1532, in _validate_and_run_task_instances
self.executor.heartbeat()
File
"/usr/lib/python3.7/site-packages/airflow/executors/base_executor.py", line
134, in heartbeat
self.sync()
File
"/usr/lib/python3.7/site-packages/airflow/executors/kubernetes_executor.py",
line 870, in sync
self.kube_scheduler.run_next(task)
File
"/usr/lib/python3.7/site-packages/airflow/executors/kubernetes_executor.py",
line 497, in run_next
self.launcher.run_pod_async(pod,
**self.kube_config.kube_client_request_args)
File
"/usr/lib/python3.7/site-packages/airflow/kubernetes/pod_launcher.py", line 93,
in run_pod_async
pod = self._mutate_pod_backcompat(pod)
File
"/usr/lib/python3.7/site-packages/airflow/kubernetes/pod_launcher.py", line
127, in _mutate_pod_backcompat
raise Exception([e, e2])
Exception: [AttributeError("'V1Affinity' object has no attribute 'update'"),
AttributeError("'V1Pod' object has no attribute 'labels'")]
```
cc @dimberman
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