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
|
/*
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 (
"bytes"
"fmt"
"log"
"math/rand"
"strings"
"time"
"unicode"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/config"
v1 "github.com/onap/multicloud-k8s/src/k8splugin/plugins/network/v1"
pkgerrors "github.com/pkg/errors"
kexec "k8s.io/utils/exec"
)
const (
ovn4nfvRouter = "ovn4nfv-master"
ovnNbctlCommand = "ovn-nbctl"
)
type OVNNbctler interface {
Run(args ...string) (string, string, error)
}
type OVNNbctl struct {
run func(args ...string) (string, string, error)
exec kexec.Interface
path string
}
// Run a command via ovn-nbctl
func (ctl *OVNNbctl) Run(args ...string) (string, string, error) {
if ctl.exec == nil {
ctl.exec = kexec.New()
}
if ctl.path == "" {
nbctlPath, err := ctl.exec.LookPath(ovnNbctlCommand)
if err != nil {
return "", "", pkgerrors.Wrap(err, "Look nbctl path error")
}
ctl.path = nbctlPath
}
stdout := &bytes.Buffer{}
stderr := &bytes.Buffer{}
cmd := ctl.exec.Command(ctl.path, args...)
cmd.SetStdout(stdout)
cmd.SetStderr(stderr)
err := cmd.Run()
return strings.Trim(strings.TrimFunc(stdout.String(), unicode.IsSpace), "\""),
stderr.String(), err
}
var ovnCmd OVNNbctler
func init() {
ovnCmd = &OVNNbctl{}
}
// CreateNetwork in OVN controller
func CreateNetwork(network *v1.OnapNetwork) (string, error) {
name := network.Spec.Name
if name == "" {
return "", pkgerrors.New("Invalid Network Name")
}
subnet := network.Spec.Subnet
if subnet == "" {
return "", pkgerrors.New("Invalid Subnet Address")
}
gatewayIPMask := network.Spec.Gateway
if gatewayIPMask == "" {
return "", pkgerrors.New("Invalid Gateway Address")
}
routerMac, stderr, err := ovnCmd.Run(getAuthStr(), "--if-exist", "-v", "get", "logical_router_port", "rtos-"+name, "mac")
if err != nil {
return "", pkgerrors.Wrapf(err, "Failed to get logical router port,stderr: %q, error: %v", stderr, err)
}
if routerMac == "" {
log.Print("Generate MAC address")
prefix := "00:00:00"
newRand := rand.New(rand.NewSource(time.Now().UnixNano()))
routerMac = fmt.Sprintf("%s:%02x:%02x:%02x", prefix, newRand.Intn(255), newRand.Intn(255), newRand.Intn(255))
}
_, stderr, err = ovnCmd.Run(getAuthStr(), "--may-exist", "lrp-add", ovn4nfvRouter, "rtos-"+name, routerMac, gatewayIPMask)
if err != nil {
return "", pkgerrors.Wrapf(err, "Failed to add logical port to router, stderr: %q, error: %v", stderr, err)
}
// Create a logical switch and set its subnet.
stdout, stderr, err := ovnCmd.Run(getAuthStr(), "--", "--may-exist", "ls-add", name, "--", "set", "logical_switch", name, "other-config:subnet="+subnet, "external-ids:gateway_ip="+gatewayIPMask)
if err != nil {
return "", pkgerrors.Wrapf(err, "Failed to create a logical switch %v, stdout: %q, stderr: %q, error: %v", name, stdout, stderr, err)
}
// Connect the switch to the router.
stdout, stderr, err = ovnCmd.Run(getAuthStr(), "--", "--may-exist", "lsp-add", name, "stor-"+name, "--", "set", "logical_switch_port", "stor-"+name, "type=router", "options:router-port=rtos-"+name, "addresses="+"\""+routerMac+"\"")
if err != nil {
return "", pkgerrors.Wrapf(err, "Failed to add logical port to switch, stdout: %q, stderr: %q, error: %v", stdout, stderr, err)
}
return name, nil
}
// DeleteNetwork in OVN controller
func DeleteNetwork(name string) error {
log.Printf("Deleting Network: Ovn4nfvk8s %s", name)
stdout, stderr, err := ovnCmd.Run(getAuthStr(), "--if-exist", "ls-del", name)
if err != nil {
return pkgerrors.Wrapf(err, "Failed to delete switch %v, stdout: %q, stderr: %q, error: %v", name, stdout, stderr, err)
}
stdout, stderr, err = ovnCmd.Run(getAuthStr(), "--if-exist", "lrp-del", "rtos-"+name)
if err != nil {
return pkgerrors.Wrapf(err, "Failed to delete router port %v, stdout: %q, stderr: %q, error: %v", name, stdout, stderr, err)
}
stdout, stderr, err = ovnCmd.Run(getAuthStr(), "--if-exist", "lsp-del", "stor-"+name)
if err != nil {
return pkgerrors.Wrapf(err, "Failed to delete switch port %v, stdout: %q, stderr: %q, error: %v", name, stdout, stderr, err)
}
return nil
}
func getAuthStr() string {
//TODO: Remove hardcoding: Use ESR data passed to Initialize
ovnCentralAddress := config.GetConfiguration().OVNCentralAddress
return "--db=tcp:" + ovnCentralAddress
}
|
