chaosd/cmd/attack/stress.go

98 lines
3.1 KiB
Go

// Copyright 2020 Chaos Mesh Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package attack
import (
"fmt"
"github.com/spf13/cobra"
"go.uber.org/fx"
"github.com/chaos-mesh/chaosd/cmd/server"
"github.com/chaos-mesh/chaosd/pkg/core"
"github.com/chaos-mesh/chaosd/pkg/server/chaosd"
"github.com/chaos-mesh/chaosd/pkg/utils"
)
func NewStressAttackCommand(uid *string) *cobra.Command {
options := core.NewStressCommand()
dep := fx.Options(
server.Module,
fx.Provide(func() *core.StressCommand {
options.UID = *uid
return options
}),
)
cmd := &cobra.Command{
Use: "stress <subcommand>",
Short: "Stress attack related commands",
}
cmd.AddCommand(
NewStressCPUCommand(dep, options),
NewStressMemCommand(dep, options),
)
return cmd
}
func NewStressCPUCommand(dep fx.Option, options *core.StressCommand) *cobra.Command {
cmd := &cobra.Command{
Use: "cpu [options]",
Short: "continuously stress CPU out",
Run: func(*cobra.Command, []string) {
options.Action = core.StressCPUAction
options.CompleteDefaults()
utils.FxNewAppWithoutLog(dep, fx.Invoke(stressAttackF)).Run()
},
}
cmd.Flags().IntVarP(&options.Load, "load", "l", 10, "Load specifies P percent loading per CPU worker. 0 is effectively a sleep (no load) and 100 is full loading.")
cmd.Flags().IntVarP(&options.Workers, "workers", "w", 1, "Workers specifies N workers to apply the stressor.")
cmd.Flags().StringSliceVarP(&options.Options, "options", "o", []string{}, "extend stress-ng options.")
return cmd
}
func NewStressMemCommand(dep fx.Option, options *core.StressCommand) *cobra.Command {
cmd := &cobra.Command{
Use: "mem [options]",
Short: "continuously stress virtual memory out",
Run: func(*cobra.Command, []string) {
options.Action = core.StressMemAction
options.CompleteDefaults()
utils.FxNewAppWithoutLog(dep, fx.Invoke(stressAttackF)).Run()
},
}
cmd.Flags().StringVarP(&options.Size, "size", "s", "", "Size specifies N bytes consumed per vm worker, default is the total available memory. One can specify the size as % of total available memory or in units of B, KB/KiB, MB/MiB, GB/GiB, TB/TiB..")
cmd.Flags().StringSliceVarP(&options.Options, "options", "o", []string{}, "extend stress-ng options.")
return cmd
}
func stressAttackF(chaos *chaosd.Server, options *core.StressCommand) {
if err := options.Validate(); err != nil {
utils.ExitWithError(utils.ExitBadArgs, err)
}
uid, err := chaos.ExecuteAttack(chaosd.StressAttack, options, core.CommandMode)
if err != nil {
utils.ExitWithError(utils.ExitError, err)
}
utils.NormalExit(fmt.Sprintf("Attack stress %s successfully, uid: %s", options.Action, uid))
}