mirror of
https://github.com/hanzoai/tasks.git
synced 2026-10-04 02:04:03 +00:00
Roey BermanandGitHub
8a400ec9cf
## What changed? Fixed the mechanism to get a local frontend HTTP client to use a similar approach to getting a gRPC client. Now we'll use a dedicated user provided config or default to membership lookup. ## How did you test it? Added unit tests and ran existing functional tests.
103 lines
3.6 KiB
Go
103 lines
3.6 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 callbacks
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"go.uber.org/fx"
|
|
|
|
"go.temporal.io/server/common"
|
|
"go.temporal.io/server/common/cluster"
|
|
"go.temporal.io/server/common/collection"
|
|
"go.temporal.io/server/common/log"
|
|
"go.temporal.io/server/common/log/tag"
|
|
"go.temporal.io/server/service/history/queues"
|
|
)
|
|
|
|
// Header key used to identify callbacks that originate from and target the same cluster.
|
|
const callbackSourceHeader = "source"
|
|
|
|
var Module = fx.Module(
|
|
"component.callbacks",
|
|
fx.Provide(ConfigProvider),
|
|
fx.Provide(HTTPCallerProviderProvider),
|
|
fx.Invoke(RegisterTaskSerializers),
|
|
fx.Invoke(RegisterStateMachine),
|
|
fx.Invoke(RegisterExecutor),
|
|
)
|
|
|
|
func HTTPCallerProviderProvider(
|
|
clusterMetadata cluster.Metadata,
|
|
rpcFactory common.RPCFactory,
|
|
httpClientCache *cluster.FrontendHTTPClientCache,
|
|
logger log.Logger,
|
|
) (HTTPCallerProvider, error) {
|
|
localClient, err := rpcFactory.CreateLocalFrontendHTTPClient()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("cannot create local frontend HTTP client: %w", err)
|
|
}
|
|
|
|
m := collection.NewOnceMap(func(queues.NamespaceIDAndDestination) HTTPCaller {
|
|
// Create this once and reuse for all outgoing requests.
|
|
// Note that this may not ever be used but it cheap enough to create and is better to avoid the complexities of
|
|
// lazily creating it.
|
|
client := &http.Client{}
|
|
|
|
return func(r *http.Request) (*http.Response, error) {
|
|
if r.Header == nil || r.Header.Get(callbackSourceHeader) == "" {
|
|
return client.Do(r)
|
|
}
|
|
|
|
callbackSource := r.Header.Get(callbackSourceHeader)
|
|
for clusterName, clusterInfo := range clusterMetadata.GetAllClusterInfo() {
|
|
if callbackSource == clusterInfo.ClusterID {
|
|
var frontendClient *common.FrontendHTTPClient
|
|
if clusterMetadata.GetCurrentClusterName() == clusterName {
|
|
frontendClient = localClient
|
|
} else {
|
|
frontendClient, err = httpClientCache.Get(clusterName)
|
|
if err != nil {
|
|
logger.Warn(
|
|
"HTTPCallerProviderProvider unable to get FrontendHTTPClient for callback target cluster. Using default HTTP client.",
|
|
tag.SourceCluster(clusterMetadata.GetCurrentClusterName()),
|
|
tag.TargetCluster(clusterName),
|
|
)
|
|
return client.Do(r)
|
|
}
|
|
}
|
|
r.URL.Scheme = frontendClient.Scheme
|
|
r.URL.Host = frontendClient.Address
|
|
r.Host = frontendClient.Address
|
|
return frontendClient.Do(r)
|
|
}
|
|
}
|
|
|
|
// We don't know this calling cluster, use the default client.
|
|
return client.Do(r)
|
|
}
|
|
})
|
|
return m.Get, nil
|
|
}
|