-
Notifications
You must be signed in to change notification settings - Fork 105
/
file_add.go
163 lines (139 loc) · 4.92 KB
/
file_add.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/*
* Copyright 1999-2020 Alibaba Group Holding Ltd.
*
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package file
import (
"context"
"encoding/base64"
"fmt"
"github.com/chaosblade-io/chaosblade-exec-os/exec"
"github.com/chaosblade-io/chaosblade-spec-go/log"
"path"
"github.com/chaosblade-io/chaosblade-exec-os/exec/category"
"github.com/chaosblade-io/chaosblade-spec-go/spec"
)
const AddFileBin = "chaos_addfile"
type FileAddActionSpec struct {
spec.BaseExpActionCommandSpec
}
func NewFileAddActionSpec() spec.ExpActionCommandSpec {
return &FileAddActionSpec{
spec.BaseExpActionCommandSpec{
ActionMatchers: fileCommFlags,
ActionFlags: []spec.ExpFlagSpec{
&spec.ExpFlag{
Name: "directory",
Desc: "use --directory flag, --filepath is directory",
NoArgs: true,
},
&spec.ExpFlag{
Name: "content",
Desc: "--content, add file content",
},
&spec.ExpFlag{
Name: "enable-base64",
Desc: "--content use base64 encoding",
NoArgs: true,
},
&spec.ExpFlag{
Name: "auto-create-dir",
Desc: "automatically creates a directory that does not exist",
NoArgs: true,
},
},
ActionExecutor: &FileAddActionExecutor{},
ActionExample: `
# Create a file named nginx.log in the /home directory
blade create file add --filepath /home/nginx.log
# Create a file named nginx.log in the /home directory with the contents of HELLO WORLD
blade create file add --filepath /home/nginx.log --content "HELLO WORLD"
# Create a file named nginx.log in the /temp directory and automatically create directories that don't exist
blade create file add --filepath /temp/nginx.log --auto-create-dir
# Create a directory named /nginx in the /temp directory and automatically create directories that don't exist
blade create file add --directory --filepath /temp/nginx --auto-create-dir
`,
ActionPrograms: []string{AddFileBin},
ActionCategories: []string{category.SystemFile},
},
}
}
func (*FileAddActionSpec) Name() string {
return "add"
}
func (*FileAddActionSpec) Aliases() []string {
return []string{}
}
func (*FileAddActionSpec) ShortDesc() string {
return "File or path add"
}
func (f *FileAddActionSpec) LongDesc() string {
return "File or path add"
}
type FileAddActionExecutor struct {
channel spec.Channel
}
func (*FileAddActionExecutor) Name() string {
return "add"
}
func (f *FileAddActionExecutor) Exec(uid string, ctx context.Context, model *spec.ExpModel) *spec.Response {
commands := []string{"touch", "mkdir", "echo", "rm"}
if response, ok := f.channel.IsAllCommandsAvailable(ctx, commands); !ok {
return response
}
filepath := model.ActionFlags["filepath"]
if _, ok := spec.IsDestroy(ctx); ok {
return f.stop(filepath, ctx)
}
if exec.CheckFilepathExists(ctx, f.channel, filepath) {
log.Errorf(ctx,"`%s`: filepath is exist", filepath)
return spec.ResponseFailWithFlags(spec.ParameterInvalid, "filepath", filepath, "the filepath is exist")
}
directory := model.ActionFlags["directory"] == "true"
content := model.ActionFlags["content"]
enableBase64 := model.ActionFlags["enable-base64"] == "true"
autoCreateDir := model.ActionFlags["auto-create-dir"] == "true"
return f.start(f.channel, filepath, content, directory, enableBase64, autoCreateDir, ctx)
}
func (f *FileAddActionExecutor) start(cl spec.Channel, filepath, content string, directory, enableBase64, autoCreateDir bool, ctx context.Context) *spec.Response {
dir := path.Dir(filepath)
if autoCreateDir && ! exec.CheckFilepathExists(ctx, cl, filepath) {
if response := f.channel.Run(ctx, "mkdir", fmt.Sprintf(`-p %s`, dir)); !response.Success {
return response
}
}
if directory {
return f.channel.Run(ctx, "mkdir", fmt.Sprintf(`%s`, filepath))
} else {
if content == "" {
return f.channel.Run(ctx, "touch", fmt.Sprintf(`%s`, filepath))
} else {
if enableBase64 {
if decodeBytes, err := base64.StdEncoding.DecodeString(content); err != nil {
log.Errorf(ctx, err.Error())
return spec.ResponseFailWithFlags(spec.ParameterInvalid, "filepath", filepath, "the path is exist")
} else {
content = string(decodeBytes)
}
}
return f.channel.Run(ctx, "echo", fmt.Sprintf(`"%s" >> "%s"`, content, filepath))
}
}
}
func (f *FileAddActionExecutor) stop(filepath string, ctx context.Context) *spec.Response {
return f.channel.Run(ctx, "rm", fmt.Sprintf(`-rf %s`, filepath))
}
func (f *FileAddActionExecutor) SetChannel(channel spec.Channel) {
f.channel = channel
}