1ec2759550
This change refactors gRPC code used within the v3 API package into generic code that can be used for managing gRPC and gRPC Gateway.
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
// Copyright 2018 clair authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package api
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import (
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"context"
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"net/http"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/coreos/clair/api/v3"
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"github.com/coreos/clair/database"
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"github.com/coreos/clair/pkg/stopper"
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)
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const timeoutResponse = `{"Error":{"Message":"Clair failed to respond within the configured timeout window.","Type":"Timeout"}}`
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// Config is the configuration for the API service.
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type Config struct {
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Addr string
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HealthAddr string
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Timeout time.Duration
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CertFile, KeyFile, CAFile string
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}
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func Run(cfg *Config, store database.Datastore) {
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err := v3.ListenAndServe(cfg.Addr, cfg.CertFile, cfg.KeyFile, cfg.CAFile, store)
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if err != nil {
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log.WithError(err).Fatal("could not initialize gRPC server")
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}
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}
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func RunHealth(cfg *Config, store database.Datastore, st *stopper.Stopper) {
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defer st.End()
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// Do not run the API service if there is no config.
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if cfg == nil {
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log.Info("health API service is disabled.")
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return
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}
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log.WithField("addr", cfg.HealthAddr).Info("starting health API")
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srv := http.Server{
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Addr: cfg.HealthAddr,
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Handler: http.TimeoutHandler(newHealthHandler(store), cfg.Timeout, timeoutResponse),
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}
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go func() {
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<-st.Chan()
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srv.Shutdown(context.TODO())
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}()
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err := srv.ListenAndServe()
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if err != nil && err != http.ErrServerClosed {
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log.Fatal(err)
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}
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log.Info("health API stopped")
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}
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