open-nomad/command/logmon_plugin.go

package command

import (
	"strings"

	hclog "github.com/hashicorp/go-hclog"
	plugin "github.com/hashicorp/go-plugin"
	"github.com/hashicorp/nomad/client/logmon"
	"github.com/hashicorp/nomad/plugins/base"
)

type LogMonPluginCommand struct {
	Meta
}

func (e *LogMonPluginCommand) Help() string {
	helpText := `
	This is a command used by Nomad internally to launch the logmon process"
	`
	return strings.TrimSpace(helpText)
}

func (e *LogMonPluginCommand) Synopsis() string {
	return "internal - launch a logmon plugin"
}

func (e *LogMonPluginCommand) Run(args []string) int {
	logger := hclog.New(&hclog.LoggerOptions{
		Level:      hclog.Trace,
		JSONFormat: true,
		Name:       "logmon",
	})
	plugin.Serve(&plugin.ServeConfig{
		HandshakeConfig: base.Handshake,
		Plugins: map[string]plugin.Plugin{
			"logmon": logmon.NewPlugin(logmon.NewLogMon(logger)),
		},
		GRPCServer: plugin.DefaultGRPCServer,
	})
	return 0
}