vincbeck commented on code in PR #58743:
URL: https://github.com/apache/airflow/pull/58743#discussion_r2589097869
##########
providers/amazon/src/airflow/providers/amazon/aws/operators/eks.py:
##########
@@ -1089,13 +1099,81 @@ def trigger_reentry(self, context: Context, event:
dict[str, Any]) -> Any:
eks_cluster_name = event["eks_cluster_name"]
pod_namespace = event["namespace"]
session = eks_hook.get_session()
- credentials = session.get_credentials().get_frozen_credentials()
+ credentials_obj = session.get_credentials()
+ if credentials_obj is None:
+ raise AirflowException(
+ "Unable to retrieve AWS credentials. Credentials may have
expired or not been configured. "
+ "Please check your AWS connection configuration."
+ )
+ credentials = credentials_obj.get_frozen_credentials()
with eks_hook._secure_credential_context(
credentials.access_key, credentials.secret_key, credentials.token
) as credentials_file:
+ # Store credentials file path for potential refresh during
long-running tasks
+ self._credentials_file_path = credentials_file
with eks_hook.generate_config_file(
eks_cluster_name=eks_cluster_name,
pod_namespace=pod_namespace,
credentials_file=credentials_file,
) as self.config_file:
return super().trigger_reentry(context, event)
+
+ def _write_credentials_to_file(
+ self, credentials_file_path: str, access_key: str, secret_key: str,
session_token: str | None
+ ) -> None:
+ """
+ Write AWS credentials to an existing credentials file.
+
+ This overwrites the contents of the credentials file with fresh
credentials,
+ which allows the kubeconfig exec credential plugin to use new
credentials
+ without regenerating the entire kubeconfig.
+
+ :param credentials_file_path: Path to the credentials file to update
+ :param access_key: AWS access key ID
+ :param secret_key: AWS secret access key
+ :param session_token: AWS session token (optional)
+ """
+ with open(credentials_file_path, "w") as f:
+ f.write(f"export AWS_ACCESS_KEY_ID='{access_key}'\n")
+ f.write(f"export AWS_SECRET_ACCESS_KEY='{secret_key}'\n")
+ if session_token:
+ f.write(f"export AWS_SESSION_TOKEN='{session_token}'\n")
+
+ def _refresh_cached_properties(self) -> None:
+ """
+ Refresh cached properties including AWS credentials.
+
+ This override ensures that when Kubernetes credentials expire (401
error),
+ we refresh the AWS credentials file before recreating the Kubernetes
clients.
+ This is necessary because EKS uses an exec credential plugin that reads
+ credentials from the temporary file created during execute().
Review Comment:
Where does that happen in the code?
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