cmd/{uplink,uplinkng}: set user agent for uplink binaries

We want to monitor traffic and tools that are used
to interact with our network so we need to append
its user agent.
The same user agent is appended for current uplink
and uplinkng as eventually we will remove first.

Change-Id: I116080d6c2c6c85d591771facf01356de02a9392

cmd/uplink/cmd/root.go

@@ -31,7 +31,11 @@ import (
 	"storj.io/uplink/private/transport"
 )
 
-const advancedFlagName = "advanced"
+const (
+	advancedFlagName = "advanced"
+
+	uplinkCLIUserAgent = "uplink-cli"
+)
 
 // UplinkFlags configuration flags.
 type UplinkFlags struct {
@@ -92,7 +96,10 @@ func (cliCfg *UplinkFlags) getProject(ctx context.Context, encryptionBypass bool
 	}
 
 	uplinkCfg := uplink.Config{}
-	uplinkCfg.UserAgent = cliCfg.Client.UserAgent
+	uplinkCfg.UserAgent = uplinkCLIUserAgent
+	if cliCfg.Client.UserAgent != "" {
+		uplinkCfg.UserAgent = cliCfg.Client.UserAgent + " " + uplinkCfg.UserAgent
+	}
 	uplinkCfg.DialTimeout = cliCfg.Client.DialTimeout
 	if cliCfg.Client.EnableQUIC {
 		transport.SetConnector(&uplinkCfg, rpc.NewHybridConnector())

cmd/uplinkng/external_project.go

@@ -12,6 +12,8 @@ import (
 	privateAccess "storj.io/uplink/private/access"
 )
 
+const uplinkCLIUserAgent = "uplink-cli"
+
 func (ex *external) OpenFilesystem(ctx context.Context, accessName string, options ...ulext.Option) (ulfs.Filesystem, error) {
 	project, err := ex.OpenProject(ctx, accessName, options...)
 	if err != nil {
@@ -34,5 +36,9 @@ func (ex *external) OpenProject(ctx context.Context, accessName string, options
 		}
 	}
 
-	return uplink.OpenProject(ctx, access)
+	config := uplink.Config{
+		UserAgent: uplinkCLIUserAgent,
+	}
+
+	return config.OpenProject(ctx, access)
 }