Use timezone aware datetimes instead of timezone naive datetimes:
- Update mongodb client to use tz-aware conversion
- Convert dt_now() to return timezone aware UTC date
- Rename to_k8s_date -> date_to_str, just returns ISO UTC date with 'Z'
(instead of '+00:00' suffix)
- Rename from_k8s_date -> str_to_date, returns timezone aware date from
str
- Standardize all string<->date conversion to use either date_to_str or
str_to_date
- Update frontend to assume iso date, not append 'Z' directly
- Update tests to check for 'Z' suffix on some dates
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Co-authored-by: Ilya Kreymer <ikreymer@gmail.com>
The operator class has gotten fairly large, this is a first pass in
refactoring operator.py into a submodule instead, with multiple operator
instances which handle different types of objects.
- The main k8s interface has been split into K8sOpApi which extends K8sApi
and is shared across all operators.
- Each operator extends BaseOperator which also has an instance of K8sOpApi
- The CrawlOperator is still the bulk of the functionality, but will likely be further refactored
to support QA jobs
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Co-authored-by: Tessa Walsh <tessa@bitarchivist.net>
