summaryrefslogtreecommitdiffstats
path: root/src/k8splugin/plugins/service/plugin.go
blob: 2957c441724a95c97e889faff87e8c406bc72032 (plain)
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
/*
Copyright 2018 Intel Corporation.
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 main

import (
	"log"

	pkgerrors "github.com/pkg/errors"
	coreV1 "k8s.io/api/core/v1"
	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime/schema"

	utils "k8splugin/internal"
	"k8splugin/internal/helm"
	"k8splugin/internal/plugin"
)

// ExportedVariable is what we will look for when calling the plugin
var ExportedVariable servicePlugin

type servicePlugin struct {
}

// Create a service object in a specific Kubernetes cluster
func (p servicePlugin) Create(yamlFilePath string, namespace string, client plugin.KubernetesConnector) (string, error) {
	if namespace == "" {
		namespace = "default"
	}

	obj, err := utils.DecodeYAML(yamlFilePath, nil)
	if err != nil {
		return "", pkgerrors.Wrap(err, "Decode service object error")
	}

	service, ok := obj.(*coreV1.Service)
	if !ok {
		return "", pkgerrors.New("Decoded object contains another resource different than Service")
	}
	service.Namespace = namespace

	result, err := client.GetStandardClient().CoreV1().Services(namespace).Create(service)
	if err != nil {
		return "", pkgerrors.Wrap(err, "Create Service error")
	}

	return result.GetObjectMeta().GetName(), nil
}

// List of existing services hosted in a specific Kubernetes cluster
// gvk parameter is not used as this plugin is specific to services only
func (p servicePlugin) List(gvk schema.GroupVersionKind, namespace string, client plugin.KubernetesConnector) ([]helm.KubernetesResource, error) {
	if namespace == "" {
		namespace = "default"
	}

	opts := metaV1.ListOptions{
		Limit: utils.ResourcesListLimit,
	}

	list, err := client.GetStandardClient().CoreV1().Services(namespace).List(opts)
	if err != nil {
		return nil, pkgerrors.Wrap(err, "Get Service list error")
	}

	result := make([]helm.KubernetesResource, 0, utils.ResourcesListLimit)
	if list != nil {
		for _, service := range list.Items {
			log.Printf("%v", service.Name)
			result = append(result,
				helm.KubernetesResource{
					GVK: schema.GroupVersionKind{
						Group:   "",
						Version: "v1",
						Kind:    "Service",
					},
					Name: service.GetName(),
				})
		}
	}

	return result, nil
}

// Delete an existing service hosted in a specific Kubernetes cluster
func (p servicePlugin) Delete(resource helm.KubernetesResource, namespace string, client plugin.KubernetesConnector) error {
	if namespace == "" {
		namespace = "default"
	}

	deletePolicy := metaV1.DeletePropagationForeground
	opts := &metaV1.DeleteOptions{
		PropagationPolicy: &deletePolicy,
	}

	log.Println("Deleting service: " + resource.Name)
	if err := client.GetStandardClient().CoreV1().Services(namespace).Delete(resource.Name, opts); err != nil {
		return pkgerrors.Wrap(err, "Delete service error")
	}

	return nil
}

// Get an existing service hosted in a specific Kubernetes cluster
func (p servicePlugin) Get(resource helm.KubernetesResource, namespace string, client plugin.KubernetesConnector) (string, error) {
	if namespace == "" {
		namespace = "default"
	}

	opts := metaV1.GetOptions{}
	service, err := client.GetStandardClient().CoreV1().Services(namespace).Get(resource.Name, opts)
	if err != nil {
		return "", pkgerrors.Wrap(err, "Get Service error")
	}

	return service.Name, nil
}