mirror of
https://github.com/actions/actions-runner-controller.git
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f858e2e432
* Add POC of GitHub Webhook Delivery Forwarder * multi-forwarder and ctrl-c existing and fix for non-woring http post * Rename source files * Extract signal handling into a dedicated source file * Faster ctrl-c handling * Enable automatic creation of repo hook on startup * Add support for forwarding org hook deliveries * Set hook secret on hook creation via envvar (HOOK_SECRET) * Fix org hook support * Fix HOOK_SECRET for consistency * Refactor to prepare for custom log position provider * Refactor to extract inmemory log position provider * Add configmap-based log position provider * Rename githubwebhookdeliveryforwarder to hookdeliveryforwarder * Refactor to rename LogPositionProvider to Checkpointer and extract ConfigMap checkpointer into a dedicated pkg * Refactor to extract logger initialization * Add hookdeliveryforwarder README and bump go-github to unreleased ver
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package hookdeliveryforwarder
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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)
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var onlyOneSignalHandler = make(chan struct{})
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var shutdownSignals = []os.Signal{os.Interrupt, syscall.SIGTERM}
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// SetupSignalHandler registers for SIGTERM and SIGINT. A stop channel is returned
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// which is closed on one of these signals. If a second signal is caught, the program
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// is terminated with exit code 1.
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func SetupSignalHandler() context.Context {
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close(onlyOneSignalHandler) // panics when called twice
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ctx, cancel := context.WithCancel(context.Background())
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c := make(chan os.Signal, 2)
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signal.Notify(c, shutdownSignals...)
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go func() {
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<-c
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cancel()
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<-c
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os.Exit(1) // second signal. Exit directly.
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}()
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return ctx
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}
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