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add flag to configure scanning interval

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Dominic Breuker
2018-03-28 09:01:25 +02:00
parent 1e67dc332b
commit 056c91801d
2 changed files with 5 additions and 3 deletions
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6
cmd/root.go
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@@ -29,7 +29,7 @@ var bannerLines = []string{
var helpText = ` var helpText = `
pspy monitors the system for file system events and new processes. pspy monitors the system for file system events and new processes.
It prints out these envents to the console. It prints these envents to the console.
File system events are monitored with inotify. File system events are monitored with inotify.
Processes are monitored by scanning /proc, using file system events as triggers. Processes are monitored by scanning /proc, using file system events as triggers.
pspy does not require root permissions do operate. pspy does not require root permissions do operate.
@@ -56,12 +56,14 @@ var defaultRDirs = []string{
"/opt", "/opt",
} }
var defaultDirs = []string{} var defaultDirs = []string{}
var triggerInterval int
func init() { func init() {
rootCmd.PersistentFlags().BoolVarP(&logPS, "procevents", "p", true, "print new processes to stdout") rootCmd.PersistentFlags().BoolVarP(&logPS, "procevents", "p", true, "print new processes to stdout")
rootCmd.PersistentFlags().BoolVarP(&logFS, "fsevents", "f", false, "print file system events to stdout") rootCmd.PersistentFlags().BoolVarP(&logFS, "fsevents", "f", false, "print file system events to stdout")
rootCmd.PersistentFlags().StringArrayVarP(&rDirs, "recursive_dirs", "r", defaultRDirs, "watch these dirs recursively") rootCmd.PersistentFlags().StringArrayVarP(&rDirs, "recursive_dirs", "r", defaultRDirs, "watch these dirs recursively")
rootCmd.PersistentFlags().StringArrayVarP(&dirs, "dirs", "d", defaultDirs, "watch these dirs") rootCmd.PersistentFlags().StringArrayVarP(&dirs, "dirs", "d", defaultDirs, "watch these dirs")
rootCmd.PersistentFlags().IntVarP(&triggerInterval, "interval", "i", 100, "scan every 'interval' milliseconds for new processes")
log.SetOutput(os.Stdout) log.SetOutput(os.Stdout)
} }
@@ -75,7 +77,7 @@ func root(cmd *cobra.Command, args []string) {
LogPS: logPS, LogPS: logPS,
LogFS: logFS, LogFS: logFS,
DrainFor: 1 * time.Second, DrainFor: 1 * time.Second,
TriggerEvery: 100 * time.Millisecond, TriggerEvery: time.Duration(triggerInterval) * time.Millisecond,
} }
fsw := fswatcher.NewFSWatcher() fsw := fswatcher.NewFSWatcher()
defer fsw.Close() defer fsw.Close()

2
internal/config/config.go
View File

@@ -15,5 +15,5 @@ type Config struct {
} }
func (c Config) String() string { func (c Config) String() string {
return fmt.Sprintf("Printing events: processes=%t | file-system-events=%t ||| Watching directories: %+v (recursive) | %+v (non-recursive)", c.LogPS, c.LogFS, c.RDirs, c.Dirs) return fmt.Sprintf("Printing events: processes=%t | file-system-events=%t ||| Scannning for processes every %v and on inotify events ||| Watching directories: %+v (recursive) | %+v (non-recursive)", c.LogPS, c.LogFS, c.TriggerEvery, c.RDirs, c.Dirs)
} }