oncall-engine/engine/common/jinja_templater/__init__.py
Joey Orlando 06933a696a
Support alert routing based on labels (#3778)
# What this PR does

This PR adds support for routing alerts based on labels.
https://www.loom.com/share/4401de6e3c4945d5b8961fe43ee373c9

Additionally:
- improve the typing around the `get_object` method that is inherited by
[`PublicPrimaryKeyMixin.get_object`](https://github.com/grafana/oncall/blob/dev/engine/common/api_helpers/mixins.py#L153)
in most of our models. `PublicPrimaryKeyMixin` is generic, so it can be
more strongly typed when it is being subclassed, which results in better
typing of the `get_object` method in child classes
- I decided to do this because I started looking into this task via the
[`AlertReceiveChannelView.send_demo_alert`
method/endpoint](https://github.com/grafana/oncall/blob/dev/engine/apps/api/views/alert_receive_channel.py#L242).
Within that method, `instance` is not typed because the inherited
`get_object` method is not typed.. I digress 😄
- improve typing around `Alert.create` and
`apps.integrations.tasks.create_alert` functions
- make `Alert.render_group_data` more DRY by extracting some logic out
into `Alert._apply_jinja_template_to_alert_payload_and_labels`
- deduplicate the logic of `value.strip().lower() in ["1", "true",
"ok"]` into a shared function,
`common.jinja_templater.apply_jinja_template.templated_value_is_truthy`

Closes https://github.com/grafana/oncall-private/issues/2490

## Checklist

- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
- [x] Documentation added (or `pr:no public docs` PR label added if not
required) (will be done in #3762)
2024-01-30 13:07:19 -05:00

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Python

from .apply_jinja_template import apply_jinja_template, apply_jinja_template_to_alert_payload_and_labels # noqa: F401
from .jinja_template_env import jinja_template_env # noqa: F401