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Merged
merged 11 commits into from
Aug 17, 2022
Merged

Define Retry Policy Attributes #977

merged 11 commits into from
Aug 17, 2022

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@satvu satvu commented Jul 26, 2022 •
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Issue describing the changes in this PR

#971

Pull request checklist

  • My changes do not require documentation changes
    • Otherwise: Documentation issue linked to PR
  • My changes should not be added to the release notes for the next release
    • Otherwise: I've added my notes to release_notes.md
  • My changes do not need to be backported to a previous version
    • Otherwise: Backport tracked by issue/PR #issue_or_pr
  • I have added all required tests (Unit tests, E2E tests)

Additional information

  1. Add FixedDelayRetry and ExponentialBackoffRetry attributes to Worker.Extensions.Abstractions.
  2. Add example usage of attributes to the sample app.
  3. FunctionMetadataGenerator in the SDK has the ability to parse Retry Attributes and write them to functions.metadata JSON file.
  4. FunctionMetadataLoaderExtension is updated to use v1.0.3-preview of Microsoft.Azure.WebJobs.Script.Abstractions so that FunctionMetadata has the Retry property and the JSON Reader can deserialize JObjects from the functions.metadata file into FunctionMetadata as is without code changes.

@satvu satvu changed the title Add retry attributes to function level Define Retry Policy Attributes Jul 26, 2022
@satvu satvu marked this pull request as ready for review July 26, 2022 20:49
@satvu satvu requested review from brettsam, fabiocav and kshyju July 26, 2022 20:49
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satvu commented Jul 26, 2022

Additionally conducted manual verification by running this E2E with the host and inspecting loaded FunctionMetadata to check Retry information was populated correctly. Currently investigating to see what other tests we may need/want for this feature.

kshyju
kshyju reviewed Jul 26, 2022
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sdk/FunctionMetadataLoaderExtension/FunctionMetadataLoaderExtension.csproj
<ItemGroup>
<PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.25" />
<PackageReference Include="Microsoft.Azure.WebJobs.Script.Abstractions" Version="1.0.0-preview" />
<PackageReference Include="Microsoft.Azure.WebJobs.Script.Abstractions" Version="1.0.3-preview" />
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@kshyju kshyju Jul 26, 2022

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Why 1.0.3 instead of 1.0.1?

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@satvu satvu Jul 27, 2022

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I just grabbed the latest available we had.

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@kshyju kshyju Aug 2, 2022

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I only see 1.0.0-preview. https://www.nuget.org/packages/Microsoft.Azure.WebJobs.Script.Abstractions/

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@satvu satvu Aug 2, 2022

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The host uses 1.0.3-preview which is the latest (only published internally). RetryOptions do show up in 1.0.1-preview first, but there's also an update to the RetryOptions class in 1.0.2-preview. Don't know the progress on a public release for these, but I think we can match the host version without issues. If we only want to consume RetryOptions changes we can pick 1.0.2.

kshyju
kshyju reviewed Aug 2, 2022
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💰

sdk/FunctionMetadataLoaderExtension/FunctionMetadataLoaderExtension.csproj
<ItemGroup>
<PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.25" />
<PackageReference Include="Microsoft.Azure.WebJobs.Script.Abstractions" Version="1.0.0-preview" />
<PackageReference Include="Microsoft.Azure.WebJobs.Script.Abstractions" Version="1.0.3-preview" />
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@kshyju kshyju Aug 2, 2022

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I only see 1.0.0-preview. https://www.nuget.org/packages/Microsoft.Azure.WebJobs.Script.Abstractions/

sdk/Sdk/Abstractions/SdkFunctionMetadata.cs

public Collection<ExpandoObject> Bindings { get; set; } = new Collection<ExpandoObject>();

public SdkRetryOptions? Retry { get; set; }
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@kshyju kshyju Aug 2, 2022

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We need to update the source gen version of metadata generation with this prop as well. Correct? Perhaps a follow up PR later.

kshyju
kshyju reviewed Aug 5, 2022
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LGTM.

extensions/Worker.Extensions.Abstractions/src/ExponentialBackoffRetryAttribute.cs

private static void ValidateIntervals(TimeSpan minimumInterval, TimeSpan maximumInterval)
{
if (minimumInterval.Ticks < 0)
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@kshyju kshyju Aug 5, 2022

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What string input(for minimumInterval) will produce a TimeSpan instance with negative value for Ticks property?

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@satvu satvu Aug 5, 2022

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"-00:00:10" passes the TimeSpan.Parse check and fails this check.

extensions/Worker.Extensions.Abstractions/src/RetryAttribute.cs
[AttributeUsage(AttributeTargets.Method)]
public abstract class RetryAttribute : Attribute
{
public RetryAttribute()
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@kshyju kshyju Aug 5, 2022

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Do we need this public constructor?

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@satvu satvu Aug 5, 2022

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Intent was to stylistically match the other attribute classes (binding attribute, input binding attribute, etc).

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satvu commented Aug 17, 2022

/check-enforcer evaluate

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satvu commented Aug 17, 2022

/check-enforcer evaluate

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satvu commented Aug 17, 2022

/check-enforcer override

@satvu satvu merged commit 0c808d7 into main Aug 17, 2022
@satvu satvu deleted the satvu/retry-attributes branch August 17, 2022 00:34
@kshyju kshyju mentioned this pull request Mar 23, 2023
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@kshyju kshyju kshyju approved these changes

@liliankasem liliankasem liliankasem approved these changes

@brettsam brettsam Awaiting requested review from brettsam

@fabiocav fabiocav Awaiting requested review from fabiocav

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@satvu @kshyju @liliankasem