![]() ReadyToRescheduleDep now only runs when reschedule is True The existing signature will be detected (by the absence of the ti_key argument) and continue to work. In order to support that cleanly we have changed the interface for BaseOperatorLink to take an TaskInstanceKey as the ti_key keyword argument (as execution_date + task is no longer unique for mapped operators). Now in 2.3 as part of Dynamic Task Mapping (AIP-42) we will need to add map_index to the XCom row to support the "reduce" part of the API. In v2.2 we "deprecated" passing an execution date to XCom.get methods, but there was no other option for operator links as they were only passed an execution_date. BaseOperatorLink's get_link method changed to take a ti_key keyword argument To allow the Airflow UI to use the API, the previous default authorization backend .deny_all is changed to .session, and this is automatically added to the list of API authorization backends if a non-default value is set. This setting is also used for the deprecated experimental API, which only uses the first option even if multiple are given. Each will be tried in turn until a successful response is returned. In 2.3 this was changed to support multiple backends, separated by whitespace. Previously, only one backend was used to authorize use of the REST API. auth_backends replaces auth_backend configuration setting Note that Airflow’s metadatabase definition on both the database and ORM levels are considered implementation detail without strict backward compatibility guarantees. ![]() ![]() If you access Airflow’s metadatabase directly, you should rewrite the implementation to use the run_id column instead. ![]() XCom now define run_id instead of execution_dateĪs a continuation to the TaskInstance-DagRun relation change started in Airflow 2.2, the execution_date columns on XCom has been removed from the database, and replaced by an association proxy field at the ORM level. If you are relying on the class’s existence, use BaseOperator (for concrete operators), (the base class of both BaseOperator and the AIP-42 MappedOperator), or (a union type BaseOperator | MappedOperator for type annotation). This class was never really useful for anything (everything it did could be done better with ), and has been removed. Previously, there was an empty class for “type hinting”. Better would be to store if you want to use dynamically mapped tasks. One reason is intelligibility: when you look at the value for extra, you don't have any idea One could have stored the string value '' and used this in the hook. Was always to provide for storage of arbitrary key-value pairs, like no_host_key_check in the SSHīut since the field is string, it's technically been permissible to store any string value. For storage of information that does notįit into user / password / host / schema / port, we have the extra string field. What, why, and when?Īirflow's Connection is used for storing credentials. Deprecation: Connection.extra must be JSON-encoded dict TLDRįrom Airflow 3.0, the extra field in airflow connections must be a JSON-encoded Python dict. This was necessary in order to take advantage of a bugfix concerning refreshing of Kubernetes API tokens with EKS, which enabled the removal of some workaround code. Main Minimum kubernetes version bumped from 3.0.0 to 21.7.0 This file documents any backwards-incompatible changes in Airflow andĪssists users migrating to a new version.
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