raph-p commented on issue #37217:
URL: https://github.com/apache/airflow/issues/37217#issuecomment-3266776436
In case somebody encountered this issue, a quick & dirty hack is to extend
the `CloudBatchSubmitJobOperator` class by creating a custom class that
inherits from it. It adds the whole `job` field as template, allowing to pass
the command (or env vars, or even more) as jinja template.
We also decided to add the `job_name`as well as the job_name, in case some
would pass a dynamic name (i.e. including the execution date for example), as
the name of a Batch Job must be unique.
I'm not sure I'll have the time to do a fix in the `airflow.provider`
myself, as I've never contributed to an open-source project and I'm not sure
where to start.
```python
class CustomCloudBatchSubmitJobOperator(CloudBatchSubmitJobOperator):
"""
Extends CloudBatchSubmitJobOperator by allowing jinja substitution of the
"job_name" and "job"
"""
template_fields = ("project_id", "region", "gcp_conn_id",
"impersonation_chain", "job_name", "job"). # this is the important line
def __init__(
self,
project_id: str,
region: str,
job_name: str,
job: dict | Job,
polling_period_seconds: float = 10,
timeout_seconds: float | None = None,
gcp_conn_id: str = "google_cloud_default",
impersonation_chain: str | Sequence[str] | None = None,
deferrable: bool = conf.getboolean("operators",
"default_deferrable", fallback=False),
**kwargs,
) -> None:
super().__init__(
project_id=project_id,
region=region,
job_name=job_name,
job=job,
polling_period_seconds=polling_period_seconds,
timeout_seconds=timeout_seconds,
gcp_conn_id=gcp_conn_id,
impersonation_chain=impersonation_chain,
deferrable=deferrable,
**kwargs,
)
```
Regards
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