mirror of https://github.com/chaos-mesh/chaosd.git
113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
// Copyright 2020 Chaos Mesh Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package core
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import (
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"context"
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"encoding/json"
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"time"
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perr "github.com/pkg/errors"
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)
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const (
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Created = "created"
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Success = "success"
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Error = "error"
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Scheduled = "scheduled"
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Destroyed = "destroyed"
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Revoked = "revoked"
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)
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const (
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ProcessAttack = "process"
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NetworkAttack = "network"
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StressAttack = "stress"
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DiskAttack = "disk"
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HostAttack = "host"
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JVMAttack = "jvm"
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)
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const (
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ServerMode = "svr"
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CommandMode = "cmd"
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)
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// ExperimentStore defines operations for working with experiments
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type ExperimentStore interface {
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List(ctx context.Context) ([]*Experiment, error)
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ListByLaunchMode(ctx context.Context, mode string) ([]*Experiment, error)
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ListByConditions(ctx context.Context, conds *SearchCommand) ([]*Experiment, error)
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ListByStatus(ctx context.Context, status string) ([]*Experiment, error)
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FindByUid(ctx context.Context, uid string) (*Experiment, error)
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Set(ctx context.Context, exp *Experiment) error
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Update(ctx context.Context, uid, status, msg string, command string) error
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}
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// Experiment represents an experiment instance.
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type Experiment struct {
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ID uint `gorm:"primary_key" json:"id"`
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Uid string `gorm:"index:uid" json:"uid"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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Status string `json:"status"`
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Message string `json:"error"`
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// TODO: need to improve
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Kind string `json:"kind"`
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Action string `json:"action"`
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RecoverCommand string `json:"recover_command"`
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LaunchMode string `json:"launch_mode"`
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cachedRequestCommand AttackConfig
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}
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func (exp *Experiment) GetRequestCommand() (AttackConfig, error) {
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if exp.cachedRequestCommand != nil {
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return exp.cachedRequestCommand, nil
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}
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attackConfig := GetAttackByKind(exp.Kind)
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if attackConfig == nil {
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return nil, perr.Errorf("chaos experiment kind %s not found", exp.Kind)
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}
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if err := json.Unmarshal([]byte(exp.RecoverCommand), attackConfig); err != nil {
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return nil, err
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}
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exp.cachedRequestCommand = *attackConfig
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return *attackConfig, nil
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}
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func GetAttackByKind(kind string) *AttackConfig {
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var attackConfig AttackConfig
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switch kind {
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case ProcessAttack:
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attackConfig = &ProcessCommand{}
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case NetworkAttack:
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attackConfig = &NetworkCommand{}
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case HostAttack:
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attackConfig = &HostCommand{}
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case StressAttack:
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attackConfig = &StressCommand{}
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case DiskAttack:
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attackConfig = &DiskAttackConfig{}
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case JVMAttack:
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attackConfig = &JVMCommand{}
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default:
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return nil
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}
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return &attackConfig
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}
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