virt invokes RPC to resize console window (#288)

* update libyavirt dep

* virt invokes ResizeConsoleWindow RPC

* drop empty exec msg

Author: jschwinger233

cluster/calcium/helper.go

@@ -156,6 +156,9 @@ func rawProcessVirtualizationInStream(
 		defer inStream.Close()
 
 		for cmd := range inCh {
+			if len(cmd) == 0 {
+				continue
+			}
 			if f, ok := specialPrefixCallback[string(cmd[:1])]; ok {
 				f(cmd[1:])
 				continue

engine/virt/virt.go

@@ -105,10 +105,7 @@ func (v *Virt) ExecExitCode(ctx context.Context, execID string) (code int, err e
 
 // ExecResize resize exec tty
 func (v *Virt) ExecResize(ctx context.Context, execID string, height, width uint) (err error) {
-	resizeCmd := fmt.Sprintf("yaexec resize -r %d -c %d", height, width)
-	msg, err := v.client.ExecuteGuest(ctx, execID, strings.Split(resizeCmd, " "))
-	log.Debugf("[ExecResize] resize got response: %v", msg)
-	return err
+	return v.client.ResizeConsoleWindow(ctx, execID, height, width)
 }
 
 // NetworkConnect connects to a network.

go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/opencontainers/runc v0.1.1 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pkg/errors v0.9.1
-	github.com/projecteru2/libyavirt v0.0.0-20201127073250-63c729c0fe01
+	github.com/projecteru2/libyavirt v0.0.0-20201130082506-1a1e5c346f47
 	github.com/prometheus/client_golang v1.7.1
 	github.com/sanity-io/litter v1.3.0
 	github.com/sethvargo/go-signalcontext v0.1.0

go.sum

@@ -222,6 +222,10 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/projecteru2/libyavirt v0.0.0-20201127073250-63c729c0fe01 h1:jwdXaoOwm2yG3GdFREt1qMWL9RrumHvcqQpgYieNM3s=
 github.com/projecteru2/libyavirt v0.0.0-20201127073250-63c729c0fe01/go.mod h1:9/SNmdphwl12ubwihkRa9YtOozM6liYLDxsricra1mY=
+github.com/projecteru2/libyavirt v0.0.0-20201130080123-f664f4852f70 h1:wbULh6iiJ0WKxLYfEHdbIMSdBIxjQRFkR7e8eAh2fts=
+github.com/projecteru2/libyavirt v0.0.0-20201130080123-f664f4852f70/go.mod h1:9/SNmdphwl12ubwihkRa9YtOozM6liYLDxsricra1mY=
+github.com/projecteru2/libyavirt v0.0.0-20201130082506-1a1e5c346f47 h1:UO7w6jA6QdSl1dxjje/SqomL38diAGymQ4SX6alQ6dA=
+github.com/projecteru2/libyavirt v0.0.0-20201130082506-1a1e5c346f47/go.mod h1:9/SNmdphwl12ubwihkRa9YtOozM6liYLDxsricra1mY=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.1.0/go.mod h1:I1FGZT9+L76gKKOs5djB6ezCbFQP1xR9D75/vuwEF3g=