-
Notifications
You must be signed in to change notification settings - Fork 2
/
template-validate.go
123 lines (100 loc) · 2.64 KB
/
template-validate.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
package cmd
import (
"errors"
"fmt"
"io/ioutil"
cf "github.com/aws/aws-sdk-go/service/cloudformation"
ctlaws "github.com/liangrog/cfctl/pkg/aws"
"github.com/liangrog/cfctl/pkg/utils"
"github.com/spf13/cobra"
)
// Register sub commands
func init() {
cmd := getCmdTemplateValidate()
addFlagsTemplateValidate(cmd)
CmdTemplate.AddCommand(cmd)
}
func addFlagsTemplateValidate(cmd *cobra.Command) {
cmd.Flags().BoolP(CMD_TEMPLATE_VALIDATE_RECURSIVE, "r", true, "recursively validate templates for given path")
}
// cmd: validate
func getCmdTemplateValidate() *cobra.Command {
cmd := &cobra.Command{
Use: "validate",
Short: "Validate Cloudformation template. Example 'cfctl template validate [template path or s3 url]'",
Long: `Validate Cloudformation template by given path.
This command can be run recursively by using '-r' option`,
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New(utils.MsgFormat("One template path or url is required", utils.MessageTypeError))
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
recursive, _ := cmd.Flags().GetBool(CMD_TEMPLATE_VALIDATE_RECURSIVE)
err := templateValidate(
cmd.Flags().Lookup(CMD_ROOT_OUTPUT).Value.String(),
args,
recursive,
)
silenceUsageOnError(cmd, err)
return err
},
}
return cmd
}
type validOut struct {
file string
err error
}
// Validate template
func templateValidate(format string, paths []string, recursive bool) error {
stack := ctlaws.NewStack(cf.New(ctlaws.AWSSess))
for _, path := range paths {
if ok, _ := utils.IsDir(path); ok {
files, err := utils.FindFiles(path, recursive)
if err != nil {
return err
}
result := make(chan validOut, 10)
for _, file := range files {
go func(file string, res chan<- validOut) {
res <- validOut{
file: file,
err: tplValid(stack, file),
}
}(file, result)
}
for j := 1; j <= len(files); j++ {
jobRes := <-result
if jobRes.err != nil {
return errors.New(fmt.Sprintf("%s %s", jobRes.file, jobRes.err))
}
}
} else {
// If only to validate a file or url
err := tplValid(stack, path)
if err != nil {
return errors.New(fmt.Sprintf("%s %s", path, err))
}
}
}
utils.Print(utils.FormatType(format), "No error found")
return nil
}
// Validate a simple template
func tplValid(stack *ctlaws.Stack, path string) error {
var tplByte []byte
var url string
var err error
if utils.IsUrlRegexp(path) {
url = path
} else {
tplByte, err = ioutil.ReadFile(path)
if err != nil {
return err
}
}
_, err = stack.ValidateTemplate(tplByte, url)
return err
}