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
|
/*
Copyright 2017 ZTE, Inc. and others.
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.
*/
// kube_service.go
package main
import (
"log"
"strconv"
"strings"
consulapi "github.com/hashicorp/consul/api"
kapi "k8s.io/kubernetes/pkg/api"
)
type KubeServiceAction interface {
BuildServiceInfoMap(*kapi.ServicePort, *map[string]string)
BuildAgentService(*ServiceInfo, DnsInfo, *kapi.ServicePort) *consulapi.AgentServiceRegistration
BuildAgentServiceCheck(DnsInfo, *kapi.ServicePort) *consulapi.AgentServiceCheck
}
type KubeService struct {
KubeServiceAction
sInfos map[string]*ServiceInfo
}
func newKubeService() *KubeService {
return &KubeService{
sInfos: make(map[string]*ServiceInfo),
}
}
func (kube *KubeService) BuildServiceInfoMap(sport *kapi.ServicePort, annos *map[string]string) {
portstr := strconv.Itoa(int(sport.Port))
nameprefix := "SERVICE_" + portstr + "_NAME"
tagprefix := "SERVICE_" + portstr + "_TAGS"
for name, value := range *annos {
if strings.HasPrefix(name, nameprefix) {
addToServiceInfoMap(name, value, Service_NAME, &kube.sInfos)
} else if strings.HasPrefix(name, tagprefix) {
addToServiceInfoMap(name, value, Service_TAGS, &kube.sInfos)
}
}
}
func (kube *KubeService) BuildAgentService(sInfo *ServiceInfo, config DnsInfo, sport *kapi.ServicePort) *consulapi.AgentServiceRegistration {
name := sInfo.Name
var tagslice []string
tagslice = strings.Split(sInfo.Tags, ",")
for _, elem := range tagslice {
var elemslice []string
elemslice = strings.Split(elem, ":")
if elemslice[0] == PROTOCOL {
switch elemslice[1] {
case PROTOCOL_UI:
name = PREFIX_UI + name
default:
log.Println("regular protocol:", elemslice[1])
}
break
}
}
asrID := config.BaseID + "-" + strconv.Itoa(int(sport.Port)) + "-" + name
regPort := sport.NodePort
if config.ServiceType == kapi.ServiceTypeClusterIP {
regPort = sport.Port
}
return &consulapi.AgentServiceRegistration{
ID: asrID,
Name: name,
Address: config.IPAddress,
Port: int(regPort),
Tags: tagslice,
}
}
func (kube *KubeService) BuildAgentServiceCheck(config DnsInfo, sport *kapi.ServicePort) *consulapi.AgentServiceCheck {
log.Println("Creating service check for: ", config.IPAddress, " on Port: ", sport.NodePort)
return &consulapi.AgentServiceCheck{
TCP: config.IPAddress + ":" + strconv.Itoa(int(sport.NodePort)),
Interval: "60s",
}
}
|
