virtcontainers: remove getVMPath method from agent

`agent.getVMPath()` is an almost useless method that can be easily replaced
with `filepath.Join()`

Signed-off-by: Julio Montes <julio.montes@intel.com>

virtcontainers/agent.go

@@ -224,9 +224,6 @@ type agent interface {
 	// configureFromGrpc will update agent settings based on provided arguments which from Grpc
 	configureFromGrpc(h hypervisor, id string, builtin bool, config interface{}) error
 
-	// getVMPath will return the agent vm socket's directory path
-	getVMPath(id string) string
-
 	// getSharePath will return the agent 9pfs share mount path
 	getSharePath(id string) string
 

virtcontainers/kata_agent.go

@@ -24,7 +24,6 @@ import (
 	"github.com/kata-containers/agent/protocols/grpc"
 	"github.com/kata-containers/runtime/virtcontainers/device/config"
 	persistapi "github.com/kata-containers/runtime/virtcontainers/persist/api"
-	"github.com/kata-containers/runtime/virtcontainers/persist/fs"
 	vcAnnotations "github.com/kata-containers/runtime/virtcontainers/pkg/annotations"
 	ns "github.com/kata-containers/runtime/virtcontainers/pkg/nsenter"
 	"github.com/kata-containers/runtime/virtcontainers/pkg/rootless"
@@ -216,10 +215,6 @@ func (k *kataAgent) Logger() *logrus.Entry {
 	return virtLog.WithField("subsystem", "kata_agent")
 }
 
-func (k *kataAgent) getVMPath(id string) string {
-	return filepath.Join(fs.RunVMStoragePath(), id)
-}
-
 func (k *kataAgent) getSharePath(id string) string {
 	return filepath.Join(kataHostSharedDir(), id)
 }

virtcontainers/kata_agent_test.go

@@ -620,11 +620,6 @@ func TestAgentPathAPI(t *testing.T) {
 	k2 := &kataAgent{}
 	id := "foobar"
 
-	// getVMPath
-	path1 := k1.getVMPath(id)
-	path2 := k2.getVMPath(id)
-	assert.Equal(path1, path2)
-
 	// getSharePath
 	path1 = k1.getSharePath(id)
 	path2 = k2.getSharePath(id)

virtcontainers/noop_agent.go

@@ -185,12 +185,7 @@ func (n *noopAgent) configureFromGrpc(h hypervisor, id string, builtin bool, con
 	return nil
 }
 
-// getVMPath is the Noop agent vm path getter. It does nothing.
+// getSharePath is the Noop agent share path getter. It does nothing.
-func (n *noopAgent) getVMPath(id string) string {
-	return ""
-}
-
-// getVMPath is the Noop agent share path getter. It does nothing.
 func (n *noopAgent) getSharePath(id string) string {
 	return ""
 }

virtcontainers/noop_agent_test.go

@@ -156,13 +156,6 @@ func TestNoopAgentConfigure(t *testing.T) {
 	assert.NoError(err)
 }
 
-func TestNoopAgentGetVMPath(t *testing.T) {
-	n := &noopAgent{}
-	path := n.getVMPath("")
-	assert := assert.New(t)
-	assert.Empty(path)
-}
-
 func TestNoopAgentGetSharePath(t *testing.T) {
 	n := &noopAgent{}
 	path := n.getSharePath("")

virtcontainers/vm.go

@@ -412,9 +412,9 @@ func (v *VM) assignSandbox(s *Sandbox) error {
 	// - link 9pfs share path from sandbox dir (/run/kata-containers/shared/sandboxes/sbid/) to vm dir (/run/vc/vm/vmid/shared/)
 
 	vmSharePath := buildVMSharePath(v.id)
-	vmSockDir := v.agent.getVMPath(v.id)
+	vmSockDir := filepath.Join(v.store.RunVMStoragePath(), v.id)
 	sbSharePath := s.agent.getSharePath(s.id)
-	sbSockDir := s.agent.getVMPath(s.id)
+	sbSockDir := filepath.Join(v.store.RunVMStoragePath(), s.id)
 
 	v.logger().WithFields(logrus.Fields{
 		"vmSharePath": vmSharePath,