/
yamldeploy.go
163 lines (140 loc) · 4.86 KB
/
yamldeploy.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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/*
Copyright 2021 KubeCube 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 yamldeploy
import (
"context"
"fmt"
"io/ioutil"
"github.com/gin-gonic/gin"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/cli-runtime/pkg/resource"
"k8s.io/client-go/rest"
"k8s.io/client-go/restmapper"
"k8s.io/kubectl/pkg/scheme"
"sigs.k8s.io/yaml"
"github.com/kubecube-io/kubecube/pkg/clog"
"github.com/kubecube-io/kubecube/pkg/multicluster"
"github.com/kubecube-io/kubecube/pkg/multicluster/client"
"github.com/kubecube-io/kubecube/pkg/utils/audit"
"github.com/kubecube-io/kubecube/pkg/utils/constants"
"github.com/kubecube-io/kubecube/pkg/utils/errcode"
"github.com/kubecube-io/kubecube/pkg/utils/response"
)
var metadataAccessor = meta.NewAccessor()
func Deploy(c *gin.Context) {
dryRun := c.Query("dryRun")
// get cluster info
clusterName := c.Param("cluster")
clusters := multicluster.Interface().FuzzyCopy()
cluster, ok := clusters[clusterName]
if !ok {
response.FailReturn(c, errcode.ClusterNotFoundError(clusterName))
return
}
// decode body
body, err := ioutil.ReadAll(c.Request.Body)
if err != nil {
response.FailReturn(c, errcode.InvalidBodyFormat)
return
}
bodyJson, err := yaml.YAMLToJSON(body)
if err != nil {
response.FailReturn(c, errcode.InvalidBodyFormat)
return
}
obj, gvk, err := unstructured.UnstructuredJSONScheme.Decode(bodyJson, nil, nil)
if err != nil {
response.FailReturn(c, errcode.InvalidBodyFormat)
return
}
// new RestClient
restClient, err := NewRestClient(cluster.Config, gvk)
if err != nil {
response.FailReturn(c, errcode.InternalServerError)
return
}
// init mapping
restMapping, err := InitRestMapper(cluster.Client, gvk)
if err != nil {
errInfo := err.Error()
response.FailReturn(c, errcode.CreateMappingError(errInfo))
return
}
// get namespace
namespace, err := metadataAccessor.Namespace(obj)
if err != nil {
response.FailReturn(c, errcode.MissNamespaceInObj)
return
}
c = audit.SetAuditInfo(c, audit.YamlDeploy, fmt.Sprintf("%s/%s", namespace, restMapping.Resource.String()))
username := c.GetString(constants.EventAccountId)
// create
result, err := CreateByRestClient(restClient, restMapping, namespace, dryRun, obj, username)
if err != nil {
response.FailReturn(c, errcode.DeployYamlError(err.Error()))
return
}
response.SuccessReturn(c, result)
}
func CreateByRestClient(restClient *rest.RESTClient, mapping *meta.RESTMapping, namespace string, dryRun string, obj runtime.Object, username string) (runtime.Object, error) {
options := &metav1.CreateOptions{}
if dryRun == "true" {
options.DryRun = []string{metav1.DryRunAll}
}
return restClient.Post().
SetHeader(constants.ImpersonateUserKey, username).
NamespaceIfScoped(namespace, mapping.Scope.Name() == meta.RESTScopeNameNamespace).
Resource(mapping.Resource.Resource).
VersionedParams(options, metav1.ParameterCodec).
Body(obj).
Do(context.TODO()).
Get()
}
func NewRestClient(config *rest.Config, gvk *schema.GroupVersionKind) (*rest.RESTClient, error) {
config.APIPath = "/apis"
if gvk.Group == corev1.GroupName {
config.APIPath = "/api"
}
if config.NegotiatedSerializer == nil {
// This codec factory ensures the resources are not converted. Therefore, resources
// will not be round-tripped through internal versions. Defaulting does not happen
// on the client.
config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
}
config.ContentConfig = resource.UnstructuredPlusDefaultContentConfig()
config.GroupVersion = &schema.GroupVersion{Group: gvk.Group, Version: gvk.Version}
restClient, err := rest.RESTClientFor(config)
if err != nil {
clog.Warn("create rest client fail, %v", err)
return nil, err
}
return restClient, nil
}
func InitRestMapper(client client.Client, gvk *schema.GroupVersionKind) (*meta.RESTMapping, error) {
groupResources, err := restmapper.GetAPIGroupResources(client.ClientSet().Discovery())
if err != nil {
clog.Warn("restmapper get api group resources fail, %v", err)
return nil, err
}
mapping, err := restmapper.NewDiscoveryRESTMapper(groupResources).RESTMapping(gvk.GroupKind(), gvk.Version)
if err != nil {
clog.Warn("create rest mapping fail, %v", err)
return nil, err
}
return mapping, nil
}