vSphere: set vCenter client UserAgent

Setting the client UserAgent makes it easier to identify vCenter sessions used by the vSphere Cloud Provider. This is useful to remove sessions that have leaked, such as when a VCP process goes away without calling Logout(). And to test that VCP properly re-authenticates when a session is removed. Example use: govc session.ls | grep kubernetes-cloudprovider | awk '{print $1}' | xargs -n1 govc session.rm

vSphere: set vCenter client UserAgent
b4976ecb · Doug MacEachern · ac99da5e · b4976ecb
Commit b4976ecb authored Jul 08, 2018 by Doug MacEachern
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connection.go pkg/cloudprovider/providers/vsphere/vclib/connection.go +5 -0

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--- a/pkg/cloudprovider/providers/vsphere/vclib/connection.go
+++ b/pkg/cloudprovider/providers/vsphere/vclib/connection.go
@@ -20,6 +20,7 @@ import (
 	"context"
 	"crypto/tls"
 	"encoding/pem"
+	"fmt"
 	"net"
 	neturl "net/url"
 	"sync"
@@ -29,6 +30,7 @@ import (
 	"github.com/vmware/govmomi/sts"
 	"github.com/vmware/govmomi/vim25"
 	"github.com/vmware/govmomi/vim25/soap"
+	"k8s.io/kubernetes/pkg/version"
 )

 // VSphereConnection contains information for connecting to vCenter
@@ -179,6 +181,9 @@ func (connection *VSphereConnection) NewClient(ctx context.Context) (*vim25.Clie
 		return nil, err
 	}

+	k8sVersion := version.Get().GitVersion
+	client.UserAgent = fmt.Sprintf("kubernetes-cloudprovider/%s", k8sVersion)
+
 	err = connection.login(ctx, client)
 	if err != nil {
 		return nil, err