forked from prometheus-operator/prometheus-operator
/
ingress.go
147 lines (128 loc) · 5.06 KB
/
ingress.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
// Copyright 2016 The prometheus-operator Authors
//
// 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 framework
import (
"fmt"
"os"
"time"
"github.com/pkg/errors"
"k8s.io/api/core/v1"
"k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/util/yaml"
"k8s.io/client-go/kubernetes"
)
func MakeBasicIngress(serviceName string, servicePort int) *v1beta1.Ingress {
return &v1beta1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: "monitoring",
},
Spec: v1beta1.IngressSpec{
Rules: []v1beta1.IngressRule{
{
IngressRuleValue: v1beta1.IngressRuleValue{
HTTP: &v1beta1.HTTPIngressRuleValue{
Paths: []v1beta1.HTTPIngressPath{
{
Backend: v1beta1.IngressBackend{
ServiceName: serviceName,
ServicePort: intstr.FromInt(servicePort),
},
Path: "/metrics",
},
},
},
},
},
},
},
}
}
func CreateIngress(kubeClient kubernetes.Interface, namespace string, i *v1beta1.Ingress) error {
_, err := kubeClient.Extensions().Ingresses(namespace).Create(i)
return errors.Wrap(err, fmt.Sprintf("creating ingress %v failed", i.Name))
}
func SetupNginxIngressControllerIncDefaultBackend(kubeClient kubernetes.Interface, namespace string) error {
// Create Nginx Ingress Replication Controller
if err := createReplicationControllerViaYml(kubeClient, namespace, "./framework/ressources/nxginx-ingress-controller.yml"); err != nil {
return errors.Wrap(err, "creating nginx ingress replication controller failed")
}
// Create Default HTTP Backend Replication Controller
if err := createReplicationControllerViaYml(kubeClient, namespace, "./framework/ressources/default-http-backend.yml"); err != nil {
return errors.Wrap(err, "creating default http backend replication controller failed")
}
// Create Default HTTP Backend Service
manifest, err := os.Open("./framework/ressources/default-http-backend-service.yml")
if err != nil {
return errors.Wrap(err, "reading default http backend service yaml failed")
}
service := v1.Service{}
err = yaml.NewYAMLOrJSONDecoder(manifest, 100).Decode(&service)
if err != nil {
return errors.Wrap(err, "decoding http backend service yaml failed")
}
_, err = kubeClient.CoreV1().Services(namespace).Create(&service)
if err != nil {
return errors.Wrap(err, fmt.Sprintf("creating http backend service %v failed", service.Name))
}
if err := WaitForServiceReady(kubeClient, namespace, service.Name); err != nil {
return errors.Wrap(err, fmt.Sprintf("waiting for http backend service %v timed out", service.Name))
}
return nil
}
func DeleteNginxIngressControllerIncDefaultBackend(kubeClient kubernetes.Interface, namespace string) error {
// Delete Nginx Ingress Replication Controller
if err := deleteReplicationControllerViaYml(kubeClient, namespace, "./framework/ressources/nxginx-ingress-controller.yml"); err != nil {
return errors.Wrap(err, "deleting nginx ingress replication controller failed")
}
// Delete Default HTTP Backend Replication Controller
if err := deleteReplicationControllerViaYml(kubeClient, namespace, "./framework/ressources/default-http-backend.yml"); err != nil {
return errors.Wrap(err, "deleting default http backend replication controller failed")
}
// Delete Default HTTP Backend Service
manifest, err := os.Open("./framework/ressources/default-http-backend-service.yml")
if err != nil {
return errors.Wrap(err, "reading default http backend service yaml failed")
}
service := v1.Service{}
err = yaml.NewYAMLOrJSONDecoder(manifest, 100).Decode(&service)
if err != nil {
return errors.Wrap(err, "decoding http backend service yaml failed")
}
if err := kubeClient.CoreV1().Services(namespace).Delete(service.Name, nil); err != nil {
return errors.Wrap(err, fmt.Sprintf("deleting http backend service %v failed", service.Name))
}
return nil
}
func GetIngressIP(kubeClient kubernetes.Interface, namespace string, ingressName string) (*string, error) {
var ingress *v1beta1.Ingress
err := wait.Poll(time.Millisecond*500, time.Minute*5, func() (bool, error) {
var err error
ingress, err = kubeClient.Extensions().Ingresses(namespace).Get(ingressName, metav1.GetOptions{})
if err != nil {
return false, errors.Wrap(err, fmt.Sprintf("requesting the ingress %v failed", ingressName))
}
ingresses := ingress.Status.LoadBalancer.Ingress
if len(ingresses) != 0 {
return true, nil
}
return false, nil
})
if err != nil {
return nil, err
}
return &ingress.Status.LoadBalancer.Ingress[0].IP, nil
}