jobspec: add role to vault (#18257)

command/agent/job_endpoint.go

@@ -1285,6 +1285,7 @@ func ApiTaskToStructsTask(job *structs.Job, group *structs.TaskGroup,
 
 	if apiTask.Vault != nil {
 		structsTask.Vault = &structs.Vault{
+			Role:         apiTask.Vault.Role,
 			Policies:     apiTask.Vault.Policies,
 			Namespace:    *apiTask.Vault.Namespace,
 			Env:          *apiTask.Vault.Env,

command/agent/job_endpoint_test.go

@@ -2784,6 +2784,7 @@ func TestJobs_ApiJobToStructsJob(t *testing.T) {
 							},
 						},
 						Vault: &api.Vault{
+							Role:         "nomad-task",
 							Namespace:    pointer.Of("ns1"),
 							Policies:     []string{"a", "b", "c"},
 							Env:          pointer.Of(true),
@@ -3206,6 +3207,7 @@ func TestJobs_ApiJobToStructsJob(t *testing.T) {
 							},
 						},
 						Vault: &structs.Vault{
+							Role:         "nomad-task",
 							Namespace:    "ns1",
 							Policies:     []string{"a", "b", "c"},
 							Env:          true,