75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Copyright 2015 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 clair implements the ability to boot Clair with your own imports
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// that can dynamically register additional functionality.
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package clair
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import (
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"math/rand"
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"os"
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"os/signal"
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"time"
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"github.com/coreos/clair/api"
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"github.com/coreos/clair/api/context"
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"github.com/coreos/clair/config"
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"github.com/coreos/clair/database/pgsql"
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"github.com/coreos/clair/notifier"
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"github.com/coreos/clair/updater"
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"github.com/coreos/clair/utils"
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"github.com/coreos/pkg/capnslog"
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)
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var log = capnslog.NewPackageLogger("github.com/coreos/clair", "main")
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// Boot starts Clair. By exporting this function, anyone can import their own
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// custom fetchers/updaters into their own package and then call clair.Boot.
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func Boot(config *config.Config) {
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rand.Seed(time.Now().UnixNano())
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st := utils.NewStopper()
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// Open database
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db, err := pgsql.Open(config.Database)
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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// Start notifier
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st.Begin()
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go notifier.Run(config.Notifier, db, st)
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// Start API
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st.Begin()
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go api.Run(config.API, &context.RouteContext{db}, st)
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st.Begin()
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go api.RunHealth(config.API, &context.RouteContext{db}, st)
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// Start updater
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st.Begin()
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go updater.Run(config.Updater, db, st)
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// Wait for interruption and shutdown gracefully.
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waitForSignals(os.Interrupt)
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log.Info("Received interruption, gracefully stopping ...")
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st.Stop()
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}
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func waitForSignals(signals ...os.Signal) {
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interrupts := make(chan os.Signal, 1)
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signal.Notify(interrupts, signals...)
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<-interrupts
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}
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