mirror of
https://github.com/binwiederhier/ntfy.git
synced 2024-12-22 09:42:31 +01:00
90 lines
3.2 KiB
Go
90 lines
3.2 KiB
Go
// Package cmd provides the ntfy CLI application
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package cmd
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import (
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"fmt"
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"github.com/urfave/cli/v2"
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"github.com/urfave/cli/v2/altsrc"
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"heckel.io/ntfy/log"
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"os"
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"regexp"
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)
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const (
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categoryClient = "Client commands"
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categoryServer = "Server commands"
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)
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var commands = make([]*cli.Command, 0)
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var flagsDefault = []cli.Flag{
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&cli.BoolFlag{Name: "debug", Aliases: []string{"d"}, EnvVars: []string{"NTFY_DEBUG"}, Usage: "enable debug logging"},
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&cli.BoolFlag{Name: "trace", EnvVars: []string{"NTFY_TRACE"}, Usage: "enable tracing (very verbose, be careful)"},
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&cli.BoolFlag{Name: "no-log-dates", Aliases: []string{"no_log_dates"}, EnvVars: []string{"NTFY_NO_LOG_DATES"}, Usage: "disable the date/time prefix"},
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altsrc.NewStringFlag(&cli.StringFlag{Name: "log-level", Aliases: []string{"log_level"}, Value: log.InfoLevel.String(), EnvVars: []string{"NTFY_LOG_LEVEL"}, Usage: "set log level"}),
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altsrc.NewStringSliceFlag(&cli.StringSliceFlag{Name: "log-level-overrides", Aliases: []string{"log_level_overrides"}, EnvVars: []string{"NTFY_LOG_LEVEL_OVERRIDES"}, Usage: "set log level overrides"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "log-format", Aliases: []string{"log_format"}, Value: log.TextFormat.String(), EnvVars: []string{"NTFY_LOG_FORMAT"}, Usage: "set log format"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "log-file", Aliases: []string{"log_file"}, EnvVars: []string{"NTFY_LOG_FILE"}, Usage: "set log file, default is STDOUT"}),
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}
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var (
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logLevelOverrideRegex = regexp.MustCompile(`(?i)^([^=\s]+)(?:\s*=\s*(\S+))?\s*->\s*(TRACE|DEBUG|INFO|WARN|ERROR)$`)
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)
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// New creates a new CLI application
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func New() *cli.App {
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return &cli.App{
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Name: "ntfy",
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Usage: "Simple pub-sub notification service",
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UsageText: "ntfy [OPTION..]",
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HideVersion: true,
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UseShortOptionHandling: true,
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Reader: os.Stdin,
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Writer: os.Stdout,
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ErrWriter: os.Stderr,
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Commands: commands,
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Flags: flagsDefault,
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Before: initLogFunc,
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}
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}
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func initLogFunc(c *cli.Context) error {
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log.SetLevel(log.ToLevel(c.String("log-level")))
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log.SetFormat(log.ToFormat(c.String("log-format")))
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if c.Bool("trace") {
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log.SetLevel(log.TraceLevel)
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} else if c.Bool("debug") {
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log.SetLevel(log.DebugLevel)
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}
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if c.Bool("no-log-dates") {
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log.DisableDates()
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}
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if err := applyLogLevelOverrides(c.StringSlice("log-level-overrides")); err != nil {
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return err
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}
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logFile := c.String("log-file")
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if logFile != "" {
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w, err := os.OpenFile(logFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0600)
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if err != nil {
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return err
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}
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log.SetOutput(w)
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}
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return nil
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}
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func applyLogLevelOverrides(rawOverrides []string) error {
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for _, override := range rawOverrides {
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m := logLevelOverrideRegex.FindStringSubmatch(override)
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if len(m) == 4 {
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field, value, level := m[1], m[2], m[3]
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log.SetLevelOverride(field, value, log.ToLevel(level))
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} else if len(m) == 3 {
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field, level := m[1], m[2]
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log.SetLevelOverride(field, "", log.ToLevel(level)) // Matches any value
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} else {
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return fmt.Errorf(`invalid log level override "%s", must be "field=value -> loglevel", e.g. "user_id=u_123 -> DEBUG"`, override)
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}
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}
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return nil
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}
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