mirror of
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89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package commands
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import (
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"fmt"
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"io"
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cmds "github.com/ipfs/go-ipfs/commands"
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logging "github.com/ipfs/go-ipfs/vendor/QmXJkcEXB6C9h6Ytb6rrUTFU56Ro62zxgrbxTT3dgjQGA8/go-log"
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)
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// Golang os.Args overrides * and replaces the character argument with
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// an array which includes every file in the user's CWD. As a
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// workaround, we use 'all' instead. The util library still uses * so
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// we convert it at this step.
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var logAllKeyword = "all"
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var LogCmd = &cmds.Command{
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Helptext: cmds.HelpText{
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Tagline: "Interact with the daemon log output",
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ShortDescription: `
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'ipfs log' contains utility commands to affect or read the logging
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output of a running daemon.
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`,
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},
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Subcommands: map[string]*cmds.Command{
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"level": logLevelCmd,
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"tail": logTailCmd,
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},
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}
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var logLevelCmd = &cmds.Command{
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Helptext: cmds.HelpText{
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Tagline: "Change the logging level",
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ShortDescription: `
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'ipfs log level' is a utility command used to change the logging
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output of a running daemon.
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`,
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},
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Arguments: []cmds.Argument{
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// TODO use a different keyword for 'all' because all can theoretically
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// clash with a subsystem name
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cmds.StringArg("subsystem", true, false, fmt.Sprintf("the subsystem logging identifier. Use '%s' for all subsystems.", logAllKeyword)),
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cmds.StringArg("level", true, false, "one of: debug, info, warning, error, fatal, panic"),
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},
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Run: func(req cmds.Request, res cmds.Response) {
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args := req.Arguments()
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subsystem, level := args[0], args[1]
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if subsystem == logAllKeyword {
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subsystem = "*"
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}
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if err := logging.SetLogLevel(subsystem, level); err != nil {
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res.SetError(err, cmds.ErrNormal)
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return
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}
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s := fmt.Sprintf("Changed log level of '%s' to '%s'\n", subsystem, level)
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log.Info(s)
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res.SetOutput(&MessageOutput{s})
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},
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Marshalers: cmds.MarshalerMap{
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cmds.Text: MessageTextMarshaler,
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},
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Type: MessageOutput{},
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}
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var logTailCmd = &cmds.Command{
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Helptext: cmds.HelpText{
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Tagline: "Read the logs",
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ShortDescription: `
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'ipfs log tail' is a utility command used to read log output as it is written.
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`,
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},
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Run: func(req cmds.Request, res cmds.Response) {
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r, w := io.Pipe()
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logging.WriterGroup.AddWriter(w)
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go func() {
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<-req.Context().Done()
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w.Close()
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}()
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res.SetOutput(r)
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},
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}
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