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
164
165
166
167
168
169
170
|
/*
* Copyright 2020 Intel Corporation, Inc
*
* 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 module
import (
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
pkgerrors "github.com/pkg/errors"
)
// Network contains the parameters needed for dynamic networks
type Network struct {
Metadata Metadata `json:"metadata"`
Spec NetworkSpec `json:"spec"`
}
type NetworkSpec struct {
CniType string `json:"cniType"`
Ipv4Subnets []Ipv4Subnet `json:"ipv4Subnets"`
}
// NetworkKey is the key structure that is used in the database
type NetworkKey struct {
ClusterProviderName string `json:"provider"`
ClusterName string `json:"cluster"`
NetworkName string `json:"network"`
}
// Manager is an interface exposing the Network functionality
type NetworkManager interface {
CreateNetwork(pr Network, clusterProvider, cluster string, exists bool) (Network, error)
GetNetwork(name, clusterProvider, cluster string) (Network, error)
GetNetworks(clusterProvider, cluster string) ([]Network, error)
DeleteNetwork(name, clusterProvider, cluster string) error
}
// NetworkClient implements the Manager
// It will also be used to maintain some localized state
type NetworkClient struct {
db ClientDbInfo
}
// NewNetworkClient returns an instance of the NetworkClient
// which implements the Manager
func NewNetworkClient() *NetworkClient {
return &NetworkClient{
db: ClientDbInfo{
storeName: "cluster",
tagMeta: "networkmetadata",
},
}
}
// CreateNetwork - create a new Network
func (v *NetworkClient) CreateNetwork(p Network, clusterProvider, cluster string, exists bool) (Network, error) {
//Construct key and tag to select the entry
key := NetworkKey{
ClusterProviderName: clusterProvider,
ClusterName: cluster,
NetworkName: p.Metadata.Name,
}
//Check if cluster exists
_, err := NewClusterClient().GetCluster(clusterProvider, cluster)
if err != nil {
return Network{}, pkgerrors.New("Unable to find the cluster")
}
//Check if this Network already exists
_, err = v.GetNetwork(p.Metadata.Name, clusterProvider, cluster)
if err == nil && !exists {
return Network{}, pkgerrors.New("Network already exists")
}
err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, p)
if err != nil {
return Network{}, pkgerrors.Wrap(err, "Creating DB Entry")
}
return p, nil
}
// GetNetwork returns the Network for corresponding name
func (v *NetworkClient) GetNetwork(name, clusterProvider, cluster string) (Network, error) {
//Construct key and tag to select the entry
key := NetworkKey{
ClusterProviderName: clusterProvider,
ClusterName: cluster,
NetworkName: name,
}
value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return Network{}, pkgerrors.Wrap(err, "Get Network")
}
//value is a byte array
if value != nil {
cp := Network{}
err = db.DBconn.Unmarshal(value[0], &cp)
if err != nil {
return Network{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
return cp, nil
}
return Network{}, pkgerrors.New("Error getting Network")
}
// GetNetworkList returns all of the Network for corresponding name
func (v *NetworkClient) GetNetworks(clusterProvider, cluster string) ([]Network, error) {
//Construct key and tag to select the entry
key := NetworkKey{
ClusterProviderName: clusterProvider,
ClusterName: cluster,
NetworkName: "",
}
var resp []Network
values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
if err != nil {
return []Network{}, pkgerrors.Wrap(err, "Get Networks")
}
for _, value := range values {
cp := Network{}
err = db.DBconn.Unmarshal(value, &cp)
if err != nil {
return []Network{}, pkgerrors.Wrap(err, "Unmarshalling Value")
}
resp = append(resp, cp)
}
return resp, nil
}
// Delete the Network from database
func (v *NetworkClient) DeleteNetwork(name, clusterProvider, cluster string) error {
//Construct key and tag to select the entry
key := NetworkKey{
ClusterProviderName: clusterProvider,
ClusterName: cluster,
NetworkName: name,
}
err := db.DBconn.Remove(v.db.storeName, key)
if err != nil {
return pkgerrors.Wrap(err, "Delete Network Entry;")
}
return nil
}
|
