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
|
// Package mongodb provides Mongo DB dataplane clients for Microsoft Azure CosmosDb Services.
package mongodb
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
import (
"context"
"crypto/tls"
"fmt"
"net"
"strings"
"github.com/Azure/azure-sdk-for-go/services/cosmos-db/mgmt/2015-04-08/documentdb"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/adal"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/globalsign/mgo"
)
const (
cosmosDbConnectionPort = 10255
)
// NewMongoDBClientWithConnectionString returns a MongoDb session to communicate with CosmosDB using a connection string.
func NewMongoDBClientWithConnectionString(connectionString string) (*mgo.Session, error) {
// strip out the "ssl=true" option as MongoDb driver does not support by default SSL.
connectionString = strings.Replace(connectionString, "ssl=true", "", -1)
dialInfo, err := mgo.ParseURL(connectionString)
if err != nil {
return nil, err
}
return NewMongoDBClient(dialInfo)
}
// NewMongoDBClientWithCredentials returns a MongoDb session to communicate with CosmosDB using a username and a password.
func NewMongoDBClientWithCredentials(username, password, host string) (*mgo.Session, error) {
dialInfo := &mgo.DialInfo{
Addrs: []string{fmt.Sprintf("%s:%d", host, cosmosDbConnectionPort)},
Username: username,
Password: password,
}
return NewMongoDBClient(dialInfo)
}
// NewMongoDBClientWithSPToken returns a session to communicate with CosmosDB using an auth token.
func NewMongoDBClientWithSPToken(spToken *adal.ServicePrincipalToken, subscriptionID, resourceGroup, account string, environment azure.Environment) (*mgo.Session, error) {
authorizer := autorest.NewBearerAuthorizer(spToken)
cosmosDbClient := documentdb.NewDatabaseAccountsClientWithBaseURI(environment.ResourceManagerEndpoint, subscriptionID)
cosmosDbClient.Authorizer = authorizer
cosmosDbClient.AddToUserAgent("dataplane mongodb")
result, err := cosmosDbClient.ListConnectionStrings(context.Background(), resourceGroup, account)
if err != nil {
return nil, err
}
connectionStrings := *result.ConnectionStrings
for _, connectionString := range connectionStrings {
session, err := NewMongoDBClientWithConnectionString(*connectionString.ConnectionString)
if session != nil && err == nil {
return session, nil
}
}
return nil, err
}
// NewMongoDBClientWithMSI returns a MongoDB session to communicate with CosmosDB using MSI.
func NewMongoDBClientWithMSI(subscriptionID, resourceGroup, account string, environment azure.Environment) (*mgo.Session, error) {
msiEndpoint, err := adal.GetMSIVMEndpoint()
spToken, err := adal.NewServicePrincipalTokenFromMSI(msiEndpoint, environment.ResourceManagerEndpoint)
if err != nil {
return nil, err
}
return NewMongoDBClientWithSPToken(spToken, subscriptionID, resourceGroup, account, environment)
}
// NewMongoDBClient returns a MongoDB session to communicate with CosmosDB.
func NewMongoDBClient(dialInfo *mgo.DialInfo) (*mgo.Session, error) {
dialInfo.DialServer = func(addr *mgo.ServerAddr) (net.Conn, error) {
return tls.Dial("tcp", addr.String(), &tls.Config{})
}
session, err := mgo.DialWithInfo(dialInfo)
if err != nil {
return nil, err
}
return session, nil
}
|
