mirror of
https://github.com/DominicBreuker/pspy.git
synced 2025-12-21 11:44:51 +00:00
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
package cmd
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import (
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"fmt"
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"log"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"github.com/dominicbreuker/pspy/internal/config"
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"github.com/dominicbreuker/pspy/internal/fswatcher"
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"github.com/dominicbreuker/pspy/internal/logging"
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"github.com/dominicbreuker/pspy/internal/pspy"
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"github.com/dominicbreuker/pspy/internal/psscanner"
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"github.com/spf13/cobra"
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)
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var bannerLines = []string{
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" _____ _____ _______ __",
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" | __ \\ / ____| __ \\ \\ / /",
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" | |__) | (___ | |__) \\ \\_/ / ",
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" | ___/ \\___ \\| ___/ \\ / ",
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" | | ____) | | | | ",
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" |_| |_____/|_| |_| ",
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helpText,
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}
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var helpText = `
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pspy monitors the system for file system events and new processes.
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It prints these envents to the console.
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File system events are monitored with inotify.
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Processes are monitored by scanning /proc, using file system events as triggers.
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pspy does not require root permissions do operate.
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Check our https://github.com/dominicbreuker/pspy for more information.
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`
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var banner = strings.Join(bannerLines, "\n")
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var rootCmd = &cobra.Command{
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Use: "pspy",
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Short: "pspy can watch your system for new processes and file system events",
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Long: banner,
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Run: root,
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}
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var logPS, logFS bool
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var rDirs, dirs []string
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var defaultRDirs = []string{
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"/usr",
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"/tmp",
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"/etc",
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"/home",
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"/var",
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"/opt",
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}
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var defaultDirs = []string{}
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var triggerInterval int
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func init() {
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rootCmd.PersistentFlags().BoolVarP(&logPS, "procevents", "p", true, "print new processes to stdout")
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rootCmd.PersistentFlags().BoolVarP(&logFS, "fsevents", "f", false, "print file system events to stdout")
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rootCmd.PersistentFlags().StringArrayVarP(&rDirs, "recursive_dirs", "r", defaultRDirs, "watch these dirs recursively")
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rootCmd.PersistentFlags().StringArrayVarP(&dirs, "dirs", "d", defaultDirs, "watch these dirs")
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rootCmd.PersistentFlags().IntVarP(&triggerInterval, "interval", "i", 100, "scan every 'interval' milliseconds for new processes")
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log.SetOutput(os.Stdout)
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}
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func root(cmd *cobra.Command, args []string) {
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logger := logging.NewLogger()
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cfg := &config.Config{
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RDirs: rDirs,
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Dirs: dirs,
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LogPS: logPS,
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LogFS: logFS,
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DrainFor: 1 * time.Second,
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TriggerEvery: time.Duration(triggerInterval) * time.Millisecond,
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}
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fsw := fswatcher.NewFSWatcher()
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defer fsw.Close()
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pss := psscanner.NewPSScanner()
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sigCh := make(chan os.Signal)
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signal.Notify(sigCh, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
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b := &pspy.Bindings{
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Logger: logger,
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FSW: fsw,
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PSS: pss,
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}
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exit := pspy.Start(cfg, b, sigCh)
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<-exit
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os.Exit(0)
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}
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func Execute() {
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if err := rootCmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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