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97 lines
2.9 KiB
97 lines
2.9 KiB
// 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 main
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import (
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"flag"
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"os"
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"runtime/pprof"
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"strings"
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"github.com/coreos/clair"
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"github.com/coreos/clair/config"
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"github.com/coreos/pkg/capnslog"
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// Register components
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_ "github.com/coreos/clair/notifier/notifiers"
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_ "github.com/coreos/clair/updater/fetchers/debian"
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_ "github.com/coreos/clair/updater/fetchers/rhel"
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_ "github.com/coreos/clair/updater/fetchers/ubuntu"
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_ "github.com/coreos/clair/updater/metadata_fetchers/nvd"
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_ "github.com/coreos/clair/worker/detectors/data/aci"
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_ "github.com/coreos/clair/worker/detectors/data/docker"
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_ "github.com/coreos/clair/worker/detectors/feature/dpkg"
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_ "github.com/coreos/clair/worker/detectors/feature/rpm"
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_ "github.com/coreos/clair/worker/detectors/namespace/aptsources"
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_ "github.com/coreos/clair/worker/detectors/namespace/lsbrelease"
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_ "github.com/coreos/clair/worker/detectors/namespace/osrelease"
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_ "github.com/coreos/clair/worker/detectors/namespace/redhatrelease"
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)
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var log = capnslog.NewPackageLogger("github.com/coreos/clair/cmd/clair", "main")
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func main() {
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// Parse command-line arguments
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flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
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flagConfigPath := flag.String("config", "/etc/clair/config.yaml", "Load configuration from the specified file.")
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flagCPUProfilePath := flag.String("cpu-profile", "", "Write a CPU profile to the specified file before exiting.")
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flagLogLevel := flag.String("log-level", "info", "Define the logging level.")
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flag.Parse()
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// Load configuration
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config, err := config.Load(*flagConfigPath)
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if err != nil {
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log.Fatalf("failed to load configuration: %s", err)
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}
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// Initialize logging system
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logLevel, err := capnslog.ParseLevel(strings.ToUpper(*flagLogLevel))
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capnslog.SetGlobalLogLevel(logLevel)
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capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))
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// Enable CPU Profiling if specified
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if *flagCPUProfilePath != "" {
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defer stopCPUProfiling(startCPUProfiling(*flagCPUProfilePath))
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}
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clair.Boot(config)
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}
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func startCPUProfiling(path string) *os.File {
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f, err := os.Create(path)
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if err != nil {
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log.Fatalf("failed to create profile file: %s", err)
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}
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err = pprof.StartCPUProfile(f)
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if err != nil {
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log.Fatalf("failed to start CPU profiling: %s", err)
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}
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log.Info("started CPU profiling")
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return f
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}
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func stopCPUProfiling(f *os.File) {
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pprof.StopCPUProfile()
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f.Close()
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log.Info("stopped CPU profiling")
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}
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