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Use grpc-dotnet instead of grpc #9149

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merged 10 commits into from Mar 11, 2022
Merged

Use grpc-dotnet instead of grpc #9149

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a0dacd5
Use grpc-dotnet instead of grpc
Mar 9, 2022
f3a1e9f
Add entry to the changelog
Mar 9, 2022
9485b58
Merge branch 'master' into feature/use-grpc-dotnet
Mar 9, 2022
40bfd60
Update CHANGELOG_PENDING.md
Zaid-Ajaj Mar 9, 2022
09ea3fa
remove redundant usings
Mar 9, 2022
fc59747
Reuse GrpcChannels in the engine and monitor
Mar 9, 2022
7b460d6
Configure gRPC channels to use insecure http/2 transport
Mar 10, 2022
a17c3f5
Keep track of GrpcChannels in a (concurrent) dictionary
Mar 11, 2022
d426b2a
add links to docs
Mar 11, 2022
579de0e
Merge branch 'master' into feature/use-grpc-dotnet
Mar 11, 2022
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3 changes: 3 additions & 0 deletions CHANGELOG_PENDING.md
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Expand Up @@ -18,6 +18,9 @@
- [cli/import] - Code generation in `pulumi import` can now be disabled with the `--generate-code=false` flag.
[#9141](https://github.com/pulumi/pulumi/pull/9141)

- [language/dotnet] - Updated Pulumi dotnet packages to use grpc-dotnet instead of grpc.
[#9149](https://github.com/pulumi/pulumi/pull/9149)

### Bug Fixes

- [sdk/python] - Fix build warnings. See
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26 changes: 22 additions & 4 deletions sdk/dotnet/Pulumi/Deployment/GrpcEngine.cs
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@@ -1,22 +1,40 @@
// Copyright 2016-2020, Pulumi Corporation

using System.Collections.Generic;
using System;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Grpc.Core;
using Grpc.Net.Client;
using Pulumirpc;

namespace Pulumi
{
internal class GrpcEngine : IEngine
{
private readonly Engine.EngineClient _engine;
private static GrpcChannel? _engineChannel = null;
private readonly object _engineChannelLock = new object();
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Why is _engineChannel static? Should _engineChannelLock be static too? (Same questions for GrpcMonitor below).

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@justinvp According to the docs, creating a GrpcChannel is expensive whereas creating the gRPC client that uses the channel is not: hence I was keeping a single instance of the channel to be used across client instances to avoid recreating the channels every time.

As for _engineChannelLock it doesn't need to be static since it is only used for locking.

The lock however is no longer needed! I refactored the code to use a (concurrent) dictionary to keep track of the channels created by different Engine and Monitor addresses. This dictionary is thread-safe and doesn't need special locking


public GrpcEngine(string engine)
{
// maxRpcMessageSize raises the gRPC Max Message size from `4194304` (4mb) to `419430400` (400mb)
var maxRpcMessageSize = 400 * 1024 * 1024;
var grpcChannelOptions = new List<ChannelOption> { new ChannelOption(ChannelOptions.MaxReceiveMessageLength, maxRpcMessageSize)};
this._engine = new Engine.EngineClient(new Channel(engine, ChannelCredentials.Insecure, grpcChannelOptions));
lock (_engineChannelLock)
{
if (_engineChannel == null)
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Inititialize the engine channel once
_engineChannel = GrpcChannel.ForAddress(new Uri($"http://{engine}"), new GrpcChannelOptions
{
MaxReceiveMessageSize = maxRpcMessageSize,
MaxSendMessageSize = maxRpcMessageSize,
Credentials = Grpc.Core.ChannelCredentials.Insecure,
});
}
}

this._engine = new Engine.EngineClient(_engineChannel);
}

public async Task LogAsync(LogRequest request)
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26 changes: 22 additions & 4 deletions sdk/dotnet/Pulumi/Deployment/GrpcMonitor.cs
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@@ -1,22 +1,40 @@
// Copyright 2016-2020, Pulumi Corporation

using System.Collections.Generic;
using System;
using System.Threading.Tasks;
using Grpc.Core;
using Grpc.Net.Client;
using Pulumirpc;
using Grpc.Core;

namespace Pulumi
{
internal class GrpcMonitor : IMonitor
{
private readonly ResourceMonitor.ResourceMonitorClient _client;

private static GrpcChannel? _monitorChannel = null;
private readonly object _monitorChannelLock = new object();

public GrpcMonitor(string monitor)
{
// maxRpcMessageSize raises the gRPC Max Message size from `4194304` (4mb) to `419430400` (400mb)
var maxRpcMessageSize = 400 * 1024 * 1024;
var grpcChannelOptions = new List<ChannelOption> { new ChannelOption(ChannelOptions.MaxReceiveMessageLength, maxRpcMessageSize)};
this._client = new ResourceMonitor.ResourceMonitorClient(new Channel(monitor, ChannelCredentials.Insecure, grpcChannelOptions));
lock (_monitorChannelLock)
{
if (_monitorChannel == null)
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Inititialize the monitor channel once
_monitorChannel = GrpcChannel.ForAddress(new Uri($"http://{monitor}"), new GrpcChannelOptions
{
MaxReceiveMessageSize = maxRpcMessageSize,
MaxSendMessageSize = maxRpcMessageSize,
Credentials = ChannelCredentials.Insecure
});
}
}

this._client = new ResourceMonitor.ResourceMonitorClient(_monitorChannel);
}

public async Task<SupportsFeatureResponse> SupportsFeatureAsync(SupportsFeatureRequest request)
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4 changes: 2 additions & 2 deletions sdk/dotnet/Pulumi/Pulumi.csproj
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Expand Up @@ -31,8 +31,8 @@

<ItemGroup>
<PackageReference Include="Ben.Demystifier" Version="0.4.1" />
<PackageReference Include="Grpc" Version="2.37.0" />
<PackageReference Include="Grpc.Tools" Version="2.37.0">
<PackageReference Include="Grpc.Net.Client" Version="2.43.0" />
<PackageReference Include="Grpc.Tools" Version="2.44.0">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
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