[low-code]: Evaluate backoff strategies at runtime #18053

girarda · 2022-10-17T13:43:43Z

What

Evaluate the backoff strategies at runtime
Fixes Low-code SDK: Error when adding backoff strategy #17939

How

Pass options and config to all backoff strategies and evaluate their parameters at runtime
Fix bug in factory: we can't pass options parameter if the field is a primitive

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girarda · 2022-10-17T13:44:04Z

...ources/declarative/requesters/error_handlers/backoff_strategies/constant_backoff_strategy.py


- backoff_time_in_seconds: float
+ backoff_time_in_seconds: Union[float, InterpolatedString, str]
+ options: InitVar[Mapping[str, Any]]


add options and config parameters

girarda · 2022-10-17T13:44:13Z

...ources/declarative/requesters/error_handlers/backoff_strategies/constant_backoff_strategy.py

+
+ def __post_init__(self, options: Mapping[str, Any]):
+ if not isinstance(self.backoff_time_in_seconds, InterpolatedString):
+ self.backoff_time_in_seconds = str(self.backoff_time_in_seconds)


convert to string if needed

girarda · 2022-10-17T13:44:19Z

...ources/declarative/requesters/error_handlers/backoff_strategies/constant_backoff_strategy.py


 def backoff(self, response: requests.Response, attempt_count: int) -> Optional[float]:
- return self.backoff_time_in_seconds
+ return self.backoff_time_in_seconds.eval(self.config)


eval at runtime

girarda · 2022-10-17T14:27:23Z

airbyte-cdk/python/airbyte_cdk/sources/declarative/parsers/factory.py

 try:
 # enums can't accept options
- if issubclass(expected_type, enum.Enum):
+ if issubclass(expected_type, enum.Enum) or self.isBuiltinTypes(definition):


we can't pass the options parameter if the expected_type is an int, float, or bool

girarda · 2022-10-17T14:28:57Z

airbyte-cdk/python/unit_tests/sources/declarative/test_factory.py

 a_parameter: "something_here"
 request_headers:
 header: header_value
+ {error_handler}


make sure we can instantiate all types of backoff strategies

brianjlai · 2022-10-17T20:35:50Z

airbyte-cdk/python/airbyte_cdk/sources/declarative/parsers/factory.py

 raise Exception(f"failed to instantiate type {expected_type}. {e}")
 return definition

+ def isBuiltinTypes(self, obj):


snake case instead?

brianjlai · 2022-10-18T06:43:05Z

...ts/sources/declarative/requesters/error_handlers/backoff_strategies/test_constant_backoff.py

- ("test_exponential_backoff", 1, BACKOFF_TIME),
- ("test_exponential_backoff", 2, BACKOFF_TIME),
+ ("test_constant_backoff_first_attempt", 1, BACKOFF_TIME, BACKOFF_TIME),
+ ("test_constant_backoff_second_attempt", 2, BACKOFF_TIME, BACKOFF_TIME),


Can we also add a test for a float? Right now eval() would end up casting these to ints

@brianjlai are you referring to the backoff time or the attempt count? I added tests for both.

backoff time is a float -> backoff time is evaluated as a float

attempt count is a float -> the value is actually never used. Python auto casts it to int. Do you think we should be stricter and fail if we pass a float instead of an int?

i just meant for backoff time, we were using the constants for BACKOFF_TIME which were ints, so just adding a true float. I was messing around with things and using the constants eval would come back as int, figured we should just test a float returned too just in case. But I see you added it already so all good!

girarda added 2 commits October 17, 2022 06:18

pass options to wait time from header

da45217

fix constant backoff

6aa1b52

github-actions bot added the CDK Connector Development Kit label Oct 17, 2022

girarda commented Oct 17, 2022

View reviewed changes

girarda added 8 commits October 17, 2022 06:48

parameterize test

b5efdfa

fix tests

d654001

missing unit tests

7b61f1d

eval header at runtime

3a0efed

eval regex at runtime

72f749b

evaluate min_wait at runtime

0093b08

eval factor at runtime

4aa4b25

missing unit tests

7598e01

girarda changed the title ~~Alex/fix backoff strategies~~ [low-code]: Propagate options and config to backoff strategies Oct 17, 2022

girarda changed the title ~~[low-code]: Propagate options and config to backoff strategies~~ [low-code]: Evaluate backoff strategies at runtime Oct 17, 2022

girarda commented Oct 17, 2022

View reviewed changes

remove debug print

9e90ff5

girarda commented Oct 17, 2022

View reviewed changes

girarda requested a review from brianjlai October 17, 2022 14:29

girarda marked this pull request as ready for review October 17, 2022 14:30

girarda requested a review from a team October 17, 2022 14:30

brianjlai approved these changes Oct 18, 2022

View reviewed changes

girarda added 3 commits October 18, 2022 08:20

rename

2e7ce39

Add tests

f20d1db

Add tests

de519ca

brianjlai mentioned this pull request Oct 18, 2022

Low-code SDK: Error when adding backoff strategy #17939

Closed

girarda added 3 commits October 26, 2022 19:32

merge

0a0db98

Merge branch 'master' into alex/fix_backoff_strategies

0efe44b

Update docs

dcc4da3

github-actions bot added the area/documentation Improvements or additions to documentation label Nov 4, 2022

Merge branch 'master' into alex/fix_backoff_strategies

4de6ea3

girarda merged commit 605fb92 into master Nov 4, 2022

girarda deleted the alex/fix_backoff_strategies branch November 4, 2022 01:50

xlahuerta mentioned this pull request Nov 4, 2022

🎉 New Source: GNews [low-code CDK] #18808

Merged

37 tasks

github-actions bot mentioned this pull request Nov 15, 2022

Bump helm chart version reference to 0.40.43 #19453

Closed

octavia-squidington-iii mentioned this pull request Nov 18, 2022

Bump Airbyte version from 0.40.18 to 0.40.19 #19579

Merged

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[low-code]: Evaluate backoff strategies at runtime #18053

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girarda commented Oct 17, 2022 •

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girarda commented Oct 17, 2022 •

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