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// Copyright (c) 2018 SpiralScout
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package http
import (
"errors"
"github.com/spf13/cobra"
rr "github.com/spiral/roadrunner/cmd/rr/cmd"
"github.com/spiral/roadrunner/rpc"
"github.com/spiral/roadrunner/service"
"github.com/spiral/roadrunner/http"
"github.com/olekukonko/tablewriter"
"os"
"strconv"
"time"
"github.com/dustin/go-humanize"
"github.com/spiral/roadrunner/cmd/rr/utils"
"github.com/shirou/gopsutil/process"
)
func init() {
rr.CLI.AddCommand(&cobra.Command{
Use: "http:workers",
Short: "List workers associated with RoadRunner HTTP service",
RunE: workersHandler,
})
}
func workersHandler(cmd *cobra.Command, args []string) error {
svc, st := rr.Container.Get(rpc.Name)
if st < service.StatusConfigured {
return errors.New("RPC service is not configured")
}
client, err := svc.(*rpc.Service).Client()
if err != nil {
return err
}
defer client.Close()
var r http.WorkerList
if err := client.Call("http.Workers", true, &r); err != nil {
panic(err)
}
tw := tablewriter.NewWriter(os.Stdout)
tw.SetHeader([]string{"PID", "Status", "Execs", "Memory", "Created"})
for _, w := range r.Workers {
tw.Append([]string{
strconv.Itoa(w.Pid),
renderStatus(w.Status),
renderJobs(w.NumJobs),
renderMemory(w.Pid),
renderAlive(time.Unix(0, w.Created)),
})
}
tw.Render()
return nil
}
func renderStatus(status string) string {
switch status {
case "inactive":
return utils.Sprintf("<yellow>inactive</reset>")
case "ready":
return utils.Sprintf("<cyan>ready</reset>")
case "working":
return utils.Sprintf("<green>working</reset>")
case "stopped":
return utils.Sprintf("<red>stopped</reset>")
case "errored":
return utils.Sprintf("<red>errored</reset>")
}
return status
}
func renderJobs(number uint64) string {
return humanize.Comma(int64(number))
}
func renderAlive(t time.Time) string {
return humanize.RelTime(t, time.Now(), "ago", "")
}
func renderMemory(pid int) string {
p, _ := process.NewProcess(int32(pid))
i, err := p.MemoryInfo()
if err != nil {
return err.Error()
}
return humanize.Bytes(i.RSS)
}
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