-
Notifications
You must be signed in to change notification settings - Fork 0
/
ovs.go
108 lines (90 loc) · 2.63 KB
/
ovs.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
/*
* Copyright (C) 2015 Red Hat, 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 ofthe 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 specificlanguage governing permissions and
* limitations under the License.
*
*/
package probes
import (
"encoding/json"
"errors"
"strings"
"github.com/socketplane/libovsdb"
"github.com/skydive-project/skydive/ovs/ovsdb"
)
func ovsProbeID(i string) string {
return strings.Replace(i, "-", "_", -1)
}
func ovsNamedUUID(i string) string {
return "row_" + strings.Replace(i, "-", "_", -1)
}
func ovsRowProbeID(row *map[string]interface{}) (string, error) {
extIds := (*row)["external_ids"]
switch extIds.(type) {
case []interface{}:
sl := extIds.([]interface{})
bSliced, err := json.Marshal(sl)
if err != nil {
return "", err
}
switch sl[0] {
case "map":
var oMap libovsdb.OvsMap
err = json.Unmarshal(bSliced, &oMap)
if err != nil {
return "", err
}
if value, ok := oMap.GoMap["skydive-probe-id"]; ok {
return value.(string), nil
}
}
}
return "", errors.New("Not found")
}
func ovsRetrieveSkydiveProbeRowUUIDs(ovsClient *ovsdb.OvsClient, table string) ([]string, error) {
condition := libovsdb.NewCondition("_uuid", "!=", libovsdb.UUID{GoUUID: "abc"})
operations := []libovsdb.Operation{{Op: "select", Table: table, Where: []interface{}{condition}}}
result, err := ovsClient.Exec(operations...)
if err != nil {
return nil, err
}
var uuids []string
for _, o := range result {
for _, row := range o.Rows {
u := row["_uuid"].([]interface{})[1]
uuid := u.(string)
if _, err := ovsRowProbeID(&row); err == nil {
uuids = append(uuids, uuid)
}
}
}
return uuids, nil
}
func ovsRetrieveSkydiveProbeRowUUID(ovsClient *ovsdb.OvsClient, table, id string) (string, error) {
condition := libovsdb.NewCondition("_uuid", "!=", libovsdb.UUID{GoUUID: "abc"})
operations := []libovsdb.Operation{{Op: "select", Table: table, Where: []interface{}{condition}}}
result, err := ovsClient.Exec(operations...)
if err != nil {
return "", err
}
for _, o := range result {
for _, row := range o.Rows {
u := row["_uuid"].([]interface{})[1]
uuid := u.(string)
if probeID, err := ovsRowProbeID(&row); err == nil && probeID == id {
return uuid, nil
}
}
}
return "", nil
}