mirror of
https://github.com/hanzoai/tasks.git
synced 2026-10-04 02:04:03 +00:00
Roey BermanandGitHub
89727703f5
## Why? The name works better since these are essentially components of of the codebase, "plugins" work better for code that is external to this repo.
89 lines
3.4 KiB
Go
89 lines
3.4 KiB
Go
// The MIT License
|
|
//
|
|
// Copyright (c) 2024 Temporal Technologies Inc. All rights reserved.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package nexusoperations
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/nexus-rpc/sdk-go/nexus"
|
|
"go.uber.org/fx"
|
|
|
|
nexuspb "go.temporal.io/api/nexus/v1"
|
|
"go.temporal.io/server/common/collection"
|
|
"go.temporal.io/server/common/namespace"
|
|
commonnexus "go.temporal.io/server/common/nexus"
|
|
"go.temporal.io/server/service/history/queues"
|
|
)
|
|
|
|
var Module = fx.Module(
|
|
"component.nexusoperations",
|
|
fx.Provide(ConfigProvider),
|
|
fx.Provide(ClientProviderFactory),
|
|
fx.Provide(DefaultNexusTransportProvider),
|
|
fx.Provide(CallbackTokenGeneratorProvider),
|
|
fx.Invoke(RegisterStateMachines),
|
|
fx.Invoke(RegisterTaskSerializers),
|
|
fx.Invoke(RegisterEventDefinitions),
|
|
fx.Invoke(RegisterExecutor),
|
|
)
|
|
|
|
// NexusTransportProvider type alias allows a provider to customize the default implementation specifically for Nexus.
|
|
type NexusTransportProvider func(namespaceID, serviceName string) http.RoundTripper
|
|
|
|
func DefaultNexusTransportProvider() NexusTransportProvider {
|
|
return func(namespaceID, serviceName string) http.RoundTripper {
|
|
// In the future, we'll want to inject headers and certs here.
|
|
// For now this is must be done externally via a custom transport provider.
|
|
return http.DefaultTransport
|
|
}
|
|
}
|
|
|
|
type clientProviderCacheKey struct {
|
|
queues.NamespaceIDAndDestination
|
|
// URL is part of the cache key in case the service configuration is modified to use a new URL after caching the
|
|
// client for the service.
|
|
url string
|
|
}
|
|
|
|
func ClientProviderFactory(namespaceRegistry namespace.Registry, httpTransportProvider NexusTransportProvider) ClientProvider {
|
|
// TODO(bergundy): This should use an LRU or other form of cache that supports eviction.
|
|
m := collection.NewFallibleOnceMap(func(key clientProviderCacheKey) (*nexus.Client, error) {
|
|
transport := httpTransportProvider(key.NamespaceID, key.Destination)
|
|
httpClient := &http.Client{
|
|
Transport: ResponseSizeLimiter{transport},
|
|
}
|
|
return nexus.NewClient(nexus.ClientOptions{
|
|
ServiceBaseURL: key.url,
|
|
HTTPCaller: httpClient.Do,
|
|
Serializer: commonnexus.PayloadSerializer,
|
|
})
|
|
})
|
|
return func(key queues.NamespaceIDAndDestination, spec *nexuspb.OutgoingServiceSpec) (*nexus.Client, error) {
|
|
return m.Get(clientProviderCacheKey{key, spec.Url})
|
|
}
|
|
}
|
|
|
|
func CallbackTokenGeneratorProvider() *commonnexus.CallbackTokenGenerator {
|
|
return commonnexus.NewCallbackTokenGenerator()
|
|
}
|