2022-06-15 22:54:25 +05:30

79 lines
2.3 KiB
Go

// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
// Licensed under the GNU Affero General Public License (AGPL).
// See License-AGPL.txt in the project root for license information.
package cmd
import (
"context"
"fmt"
"log"
"os"
"time"
supervisor_helper "github.com/gitpod-io/gitpod/gitpod-cli/pkg/supervisor-helper"
supervisor "github.com/gitpod-io/gitpod/supervisor/api"
"github.com/gitpod-io/gitpod/gitpod-cli/pkg/utils"
"github.com/spf13/cobra"
"github.com/olekukonko/tablewriter"
)
func outputTable(workspaceResources *supervisor.ResourcesStatusResponse) {
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"CPU (millicores)", "Memory (bytes)"})
table.SetBorders(tablewriter.Border{Left: true, Top: true, Right: true, Bottom: false})
table.SetCenterSeparator("|")
cpuFraction := int64((float64(workspaceResources.Cpu.Used) / float64(workspaceResources.Cpu.Limit)) * 100)
memFraction := int64((float64(workspaceResources.Memory.Used) / float64(workspaceResources.Memory.Limit)) * 100)
cpu := fmt.Sprintf("%dm/%dm (%d%%)", workspaceResources.Cpu.Used, workspaceResources.Cpu.Limit, cpuFraction)
memory := fmt.Sprintf("%dMi/%dMi (%d%%)\n", workspaceResources.Memory.Used/(1024*1024), workspaceResources.Memory.Limit/(1024*1024), memFraction)
colors := []tablewriter.Colors{}
if !noColor && utils.ColorsEnabled() {
cpuColor := getColor(cpuFraction)
memoryColor := getColor(memFraction)
colors = []tablewriter.Colors{{cpuColor}, {memoryColor}}
}
table.Rich([]string{cpu, memory}, colors)
table.Render()
}
func getColor(value int64) int {
switch {
case value >= 85:
return tablewriter.FgRedColor
case value >= 65:
return tablewriter.FgYellowColor
default:
return tablewriter.FgHiGreenColor
}
}
var topCmd = &cobra.Command{
Use: "top",
Short: "Display usage of workspace resources (CPU and memory)",
Run: func(cmd *cobra.Command, args []string) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
workspaceResources, err := supervisor_helper.GetWorkspaceResources(ctx)
if err != nil {
log.Fatalf("cannot get workspace resources: %s", err)
}
outputTable(workspaceResources)
},
}
func init() {
topCmd.Flags().BoolVarP(&noColor, "no-color", "", false, "Disable output colorization")
rootCmd.AddCommand(topCmd)
}