/
app_consul_require.go
55 lines (50 loc) · 1.2 KB
/
app_consul_require.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
package args
import (
"github.com/hashicorp/consul/api"
"github.com/spyzhov/safe"
)
type AppConsulArgsRequire struct {
Key map[string]*RequireContent `json:"key"`
Service map[string]*AppConsulArgsRequireService `json:"service"`
}
func (a *AppConsulArgsRequire) Validate() (err error) {
if a == nil {
return nil
}
for key, require := range a.Key {
if err = require.Validate(); err != nil {
return safe.Wrap(err, "require: key: "+key)
}
}
return
}
func (a *AppConsulArgsRequire) Match(client *api.Client) (err error) {
if a == nil {
return nil
}
for key, require := range a.Key {
scope := "require: key: " + key
value := make([]byte, 0)
pair, _, err := client.KV().Get(key, nil)
if err != nil {
return safe.Wrap(err, scope+": get")
}
if pair != nil {
value = pair.Value
}
if err = require.Match(scope, value); err != nil {
return err
}
}
for key, require := range a.Service {
scope := "require: service: " + key
out, _, err := client.Health().ServiceMultipleTags(key, require.Tags, false, nil)
if err != nil {
return safe.Wrap(err, scope+": get")
}
if err = require.Match(out); err != nil {
return safe.Wrap(err, scope)
}
}
return
}