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Posted to commits@cloudstack.apache.org by ek...@apache.org on 2015/05/13 11:35:54 UTC

[12/41] git commit: updated refs/heads/master to 45c0fa2

Refactoring the LibvirtComputingResource
  - Adding LibvirtAttachIsoCommandWrapper, LibvirtAttachIsoCommandWrapper and LibvirtAttachIsoCommandWrapper
  - 7 unit tests added
  - KVM hypervisor plugin with 11.5% coverage


Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/4d216f1a
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/4d216f1a
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/4d216f1a

Branch: refs/heads/master
Commit: 4d216f1a6382c42cf94a947aa5432f4d18782811
Parents: be1e517
Author: wilderrodrigues <wr...@schubergphilis.com>
Authored: Thu Apr 23 14:24:53 2015 +0200
Committer: wilderrodrigues <wr...@schubergphilis.com>
Committed: Wed May 6 19:20:42 2015 +0200

----------------------------------------------------------------------
 .../kvm/resource/LibvirtComputingResource.java  |  53 +----
 .../wrapper/LibvirtAttachIsoCommandWrapper.java |  52 +++++
 ...ibvirtCheckVirtualMachineCommandWrapper.java |  51 +++++
 .../wrapper/LibvirtReadyCommandWrapper.java     |  34 ++++
 .../resource/wrapper/LibvirtRequestWrapper.java |   6 +
 .../resource/LibvirtComputingResourceTest.java  | 196 +++++++++++++++++++
 6 files changed, 343 insertions(+), 49 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index 1c7aa24..0fb20ee 100644
--- a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -87,7 +87,6 @@ import com.ceph.rbd.Rbd;
 import com.ceph.rbd.RbdException;
 import com.ceph.rbd.RbdImage;
 import com.cloud.agent.api.Answer;
-import com.cloud.agent.api.AttachIsoCommand;
 import com.cloud.agent.api.AttachVolumeAnswer;
 import com.cloud.agent.api.AttachVolumeCommand;
 import com.cloud.agent.api.BackupSnapshotAnswer;
@@ -95,8 +94,6 @@ import com.cloud.agent.api.BackupSnapshotCommand;
 import com.cloud.agent.api.CheckNetworkAnswer;
 import com.cloud.agent.api.CheckNetworkCommand;
 import com.cloud.agent.api.CheckOnHostCommand;
-import com.cloud.agent.api.CheckVirtualMachineAnswer;
-import com.cloud.agent.api.CheckVirtualMachineCommand;
 import com.cloud.agent.api.CleanupNetworkRulesCmd;
 import com.cloud.agent.api.Command;
 import com.cloud.agent.api.CreatePrivateTemplateFromSnapshotCommand;
@@ -138,8 +135,6 @@ import com.cloud.agent.api.PingRoutingWithNwGroupsCommand;
 import com.cloud.agent.api.PlugNicAnswer;
 import com.cloud.agent.api.PlugNicCommand;
 import com.cloud.agent.api.PvlanSetupCommand;
-import com.cloud.agent.api.ReadyAnswer;
-import com.cloud.agent.api.ReadyCommand;
 import com.cloud.agent.api.SecurityGroupRuleAnswer;
 import com.cloud.agent.api.SecurityGroupRulesCmd;
 import com.cloud.agent.api.SetupGuestNetworkCommand;
@@ -1314,13 +1309,7 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         }
 
         try {
-            if (cmd instanceof CheckVirtualMachineCommand) {
-                return execute((CheckVirtualMachineCommand)cmd);
-            } else if (cmd instanceof ReadyCommand) {
-                return execute((ReadyCommand)cmd);
-            } else if (cmd instanceof AttachIsoCommand) {
-                return execute((AttachIsoCommand)cmd);
-            } else if (cmd instanceof AttachVolumeCommand) {
+            if (cmd instanceof AttachVolumeCommand) {
                 return execute((AttachVolumeCommand)cmd);
             } else if (cmd instanceof CheckConsoleProxyLoadCommand) {
                 return execute((CheckConsoleProxyLoadCommand)cmd);
@@ -2951,21 +2940,6 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         return new ConsoleProxyLoadAnswer(cmd, proxyVmId, proxyVmName, success, result);
     }
 
-    private Answer execute(final AttachIsoCommand cmd) {
-        try {
-            final Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
-            attachOrDetachISO(conn, cmd.getVmName(), cmd.getIsoPath(), cmd.isAttach());
-        } catch (final LibvirtException e) {
-            return new Answer(cmd, false, e.toString());
-        } catch (final URISyntaxException e) {
-            return new Answer(cmd, false, e.toString());
-        } catch (final InternalErrorException e) {
-            return new Answer(cmd, false, e.toString());
-        }
-
-        return new Answer(cmd);
-    }
-
     private AttachVolumeAnswer execute(final AttachVolumeCommand cmd) {
         try {
             final Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
@@ -2983,16 +2957,12 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         return new AttachVolumeAnswer(cmd, cmd.getDeviceId(), cmd.getVolumePath());
     }
 
-    private Answer execute(final ReadyCommand cmd) {
-        return new ReadyAnswer(cmd);
-    }
-
     protected PowerState convertToPowerState(final DomainState ps) {
         final PowerState state = s_powerStatesTable.get(ps);
         return state == null ? PowerState.PowerUnknown : state;
     }
 
-    protected PowerState getVmState(final Connect conn, final String vmName) {
+    public PowerState getVmState(final Connect conn, final String vmName) {
         int retry = 3;
         Domain vms = null;
         while (retry-- > 0) {
@@ -3015,21 +2985,6 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         return PowerState.PowerOff;
     }
 
-    private Answer execute(final CheckVirtualMachineCommand cmd) {
-        try {
-            final Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
-            final PowerState state = getVmState(conn, cmd.getVmName());
-            Integer vncPort = null;
-            if (state == PowerState.PowerOn) {
-                vncPort = getVncPort(conn, cmd.getVmName());
-            }
-
-            return new CheckVirtualMachineAnswer(cmd, state, vncPort);
-        } catch (final LibvirtException e) {
-            return new CheckVirtualMachineAnswer(cmd, e.getMessage());
-        }
-    }
-
     public String networkUsage(final String privateIpAddress, final String option, final String vif) {
         final Script getUsage = new Script(_routerProxyPath, s_logger);
         getUsage.add("netusage.sh");
@@ -3719,7 +3674,7 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         return _storagePoolMgr;
     }
 
-    protected synchronized String attachOrDetachISO(final Connect conn, final String vmName, String isoPath, final boolean isAttach) throws LibvirtException, URISyntaxException,
+    public synchronized String attachOrDetachISO(final Connect conn, final String vmName, String isoPath, final boolean isAttach) throws LibvirtException, URISyntaxException,
     InternalErrorException {
         String isoXml = null;
         if (isoPath != null && isAttach) {
@@ -4948,4 +4903,4 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         }
         return device;
     }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtAttachIsoCommandWrapper.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtAttachIsoCommandWrapper.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtAttachIsoCommandWrapper.java
new file mode 100644
index 0000000..4380b66
--- /dev/null
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtAttachIsoCommandWrapper.java
@@ -0,0 +1,52 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package com.cloud.hypervisor.kvm.resource.wrapper;
+
+import java.net.URISyntaxException;
+
+import org.libvirt.Connect;
+import org.libvirt.LibvirtException;
+
+import com.cloud.agent.api.Answer;
+import com.cloud.agent.api.AttachIsoCommand;
+import com.cloud.exception.InternalErrorException;
+import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
+import com.cloud.resource.CommandWrapper;
+
+public final class LibvirtAttachIsoCommandWrapper extends CommandWrapper<AttachIsoCommand, Answer, LibvirtComputingResource> {
+
+    @Override
+    public Answer execute(final AttachIsoCommand command, final LibvirtComputingResource libvirtComputingResource) {
+        try {
+            final LibvirtConnectionWrapper libvirtConnectionWrapper = libvirtComputingResource.getLibvirtConnectionWrapper();
+
+            final Connect conn = libvirtConnectionWrapper.getConnectionByVmName(command.getVmName());
+            libvirtComputingResource.attachOrDetachISO(conn, command.getVmName(), command.getIsoPath(), command.isAttach());
+        } catch (final LibvirtException e) {
+            return new Answer(command, false, e.toString());
+        } catch (final URISyntaxException e) {
+            return new Answer(command, false, e.toString());
+        } catch (final InternalErrorException e) {
+            return new Answer(command, false, e.toString());
+        }
+
+        return new Answer(command);
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCheckVirtualMachineCommandWrapper.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCheckVirtualMachineCommandWrapper.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCheckVirtualMachineCommandWrapper.java
new file mode 100644
index 0000000..3ad3300
--- /dev/null
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCheckVirtualMachineCommandWrapper.java
@@ -0,0 +1,51 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package com.cloud.hypervisor.kvm.resource.wrapper;
+
+import org.libvirt.Connect;
+import org.libvirt.LibvirtException;
+
+import com.cloud.agent.api.Answer;
+import com.cloud.agent.api.CheckVirtualMachineAnswer;
+import com.cloud.agent.api.CheckVirtualMachineCommand;
+import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
+import com.cloud.resource.CommandWrapper;
+import com.cloud.vm.VirtualMachine.PowerState;
+
+public final class LibvirtCheckVirtualMachineCommandWrapper extends CommandWrapper<CheckVirtualMachineCommand, Answer, LibvirtComputingResource> {
+
+    @Override
+    public Answer execute(final CheckVirtualMachineCommand command, final LibvirtComputingResource libvirtComputingResource) {
+        try {
+            final LibvirtConnectionWrapper libvirtConnectionWrapper = libvirtComputingResource.getLibvirtConnectionWrapper();
+
+            final Connect conn = libvirtConnectionWrapper.getConnectionByVmName(command.getVmName());
+            final PowerState state = libvirtComputingResource.getVmState(conn, command.getVmName());
+            Integer vncPort = null;
+            if (state == PowerState.PowerOn) {
+                vncPort = libvirtComputingResource.getVncPort(conn, command.getVmName());
+            }
+
+            return new CheckVirtualMachineAnswer(command, state, vncPort);
+        } catch (final LibvirtException e) {
+            return new CheckVirtualMachineAnswer(command, e.getMessage());
+        }
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtReadyCommandWrapper.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtReadyCommandWrapper.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtReadyCommandWrapper.java
new file mode 100644
index 0000000..7fce909
--- /dev/null
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtReadyCommandWrapper.java
@@ -0,0 +1,34 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package com.cloud.hypervisor.kvm.resource.wrapper;
+
+import com.cloud.agent.api.Answer;
+import com.cloud.agent.api.ReadyAnswer;
+import com.cloud.agent.api.ReadyCommand;
+import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
+import com.cloud.resource.CommandWrapper;
+
+public final class LibvirtReadyCommandWrapper extends CommandWrapper<ReadyCommand, Answer, LibvirtComputingResource> {
+
+    @Override
+    public Answer execute(final ReadyCommand command, final LibvirtComputingResource libvirtComputingResource) {
+        return new ReadyAnswer(command);
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtRequestWrapper.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtRequestWrapper.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtRequestWrapper.java
index aeac43c..ff0a8a5 100644
--- a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtRequestWrapper.java
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtRequestWrapper.java
@@ -21,7 +21,9 @@ package com.cloud.hypervisor.kvm.resource.wrapper;
 import java.util.Hashtable;
 
 import com.cloud.agent.api.Answer;
+import com.cloud.agent.api.AttachIsoCommand;
 import com.cloud.agent.api.CheckHealthCommand;
+import com.cloud.agent.api.CheckVirtualMachineCommand;
 import com.cloud.agent.api.Command;
 import com.cloud.agent.api.GetHostStatsCommand;
 import com.cloud.agent.api.GetVmDiskStatsCommand;
@@ -29,6 +31,7 @@ import com.cloud.agent.api.GetVmStatsCommand;
 import com.cloud.agent.api.MigrateCommand;
 import com.cloud.agent.api.PingTestCommand;
 import com.cloud.agent.api.PrepareForMigrationCommand;
+import com.cloud.agent.api.ReadyCommand;
 import com.cloud.agent.api.RebootCommand;
 import com.cloud.agent.api.RebootRouterCommand;
 import com.cloud.agent.api.StopCommand;
@@ -64,6 +67,9 @@ public class LibvirtRequestWrapper extends RequestWrapper {
         linbvirtCommands.put(PrepareForMigrationCommand.class, new LibvirtPrepareForMigrationCommandWrapper());
         linbvirtCommands.put(MigrateCommand.class, new LibvirtMigrateCommandWrapper());
         linbvirtCommands.put(PingTestCommand.class, new LibvirtPingTestCommandWrapper());
+        linbvirtCommands.put(CheckVirtualMachineCommand.class, new LibvirtCheckVirtualMachineCommandWrapper());
+        linbvirtCommands.put(ReadyCommand.class, new LibvirtReadyCommandWrapper());
+        linbvirtCommands.put(AttachIsoCommand.class, new LibvirtAttachIsoCommandWrapper());
 
         resources.put(LibvirtComputingResource.class, linbvirtCommands);
     }

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4d216f1a/plugins/hypervisors/kvm/test/com/cloud/hypervisor/kvm/resource/LibvirtComputingResourceTest.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/test/com/cloud/hypervisor/kvm/resource/LibvirtComputingResourceTest.java b/plugins/hypervisors/kvm/test/com/cloud/hypervisor/kvm/resource/LibvirtComputingResourceTest.java
index 50c8ca6..f122a2a 100644
--- a/plugins/hypervisors/kvm/test/com/cloud/hypervisor/kvm/resource/LibvirtComputingResourceTest.java
+++ b/plugins/hypervisors/kvm/test/com/cloud/hypervisor/kvm/resource/LibvirtComputingResourceTest.java
@@ -30,6 +30,7 @@ import static org.mockito.Mockito.when;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -63,13 +64,16 @@ import org.w3c.dom.Document;
 import org.xml.sax.SAXException;
 
 import com.cloud.agent.api.Answer;
+import com.cloud.agent.api.AttachIsoCommand;
 import com.cloud.agent.api.CheckHealthCommand;
+import com.cloud.agent.api.CheckVirtualMachineCommand;
 import com.cloud.agent.api.GetHostStatsCommand;
 import com.cloud.agent.api.GetVmDiskStatsCommand;
 import com.cloud.agent.api.GetVmStatsCommand;
 import com.cloud.agent.api.MigrateCommand;
 import com.cloud.agent.api.PingTestCommand;
 import com.cloud.agent.api.PrepareForMigrationCommand;
+import com.cloud.agent.api.ReadyCommand;
 import com.cloud.agent.api.RebootCommand;
 import com.cloud.agent.api.RebootRouterCommand;
 import com.cloud.agent.api.StopCommand;
@@ -78,6 +82,7 @@ import com.cloud.agent.api.to.DiskTO;
 import com.cloud.agent.api.to.NicTO;
 import com.cloud.agent.api.to.VirtualMachineTO;
 import com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource;
+import com.cloud.exception.InternalErrorException;
 import com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef;
 import com.cloud.hypervisor.kvm.resource.LibvirtVMDef.InterfaceDef;
 import com.cloud.hypervisor.kvm.resource.wrapper.LibvirtConnectionWrapper;
@@ -88,6 +93,7 @@ import com.cloud.storage.Volume;
 import com.cloud.template.VirtualMachineTemplate.BootloaderType;
 import com.cloud.utils.Pair;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 @RunWith(PowerMockRunner.class)
 public class LibvirtComputingResourceTest {
@@ -774,4 +780,194 @@ public class LibvirtComputingResourceTest {
         final Answer answer = wrapper.execute(command, libvirtComputingResource);
         assertFalse(answer.getResult());
     }
+
+    @Test
+    public void testCheckVirtualMachineCommand() {
+        final Connect conn = Mockito.mock(Connect.class);
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final CheckVirtualMachineCommand command = new CheckVirtualMachineCommand(vmName);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenReturn(conn);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        when(libvirtComputingResource.getVmState(conn, command.getVmName())).thenReturn(PowerState.PowerOn);
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertTrue(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void testExceptionCheckVirtualMachineCommand() {
+        final Connect conn = Mockito.mock(Connect.class);
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final CheckVirtualMachineCommand command = new CheckVirtualMachineCommand(vmName);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenThrow(LibvirtException.class);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        when(libvirtComputingResource.getVmState(conn, command.getVmName())).thenReturn(PowerState.PowerOn);
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertFalse(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
+
+    @Test
+    public void testReadyCommand() {
+        final ReadyCommand command = new ReadyCommand(1l);
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertTrue(answer.getResult());
+    }
+
+    @Test
+    public void testAttachIsoCommand() {
+        final Connect conn = Mockito.mock(Connect.class);
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final AttachIsoCommand command = new AttachIsoCommand(vmName, "/path", true);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenReturn(conn);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertTrue(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void testAttachIsoCommandLibvirtException() {
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final AttachIsoCommand command = new AttachIsoCommand(vmName, "/path", true);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenThrow(LibvirtException.class);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertFalse(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void testAttachIsoCommandURISyntaxException() {
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final AttachIsoCommand command = new AttachIsoCommand(vmName, "/path", true);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenThrow(URISyntaxException.class);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertFalse(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void testAttachIsoCommandInternalErrorException() {
+        final LibvirtConnectionWrapper libvirtConnectionWrapper = Mockito.mock(LibvirtConnectionWrapper.class);
+
+        final String vmName = "Test";
+        final AttachIsoCommand command = new AttachIsoCommand(vmName, "/path", true);
+
+        when(libvirtComputingResource.getLibvirtConnectionWrapper()).thenReturn(libvirtConnectionWrapper);
+        try {
+            when(libvirtConnectionWrapper.getConnectionByVmName(vmName)).thenThrow(InternalErrorException.class);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+
+        final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
+        assertNotNull(wrapper);
+
+        final Answer answer = wrapper.execute(command, libvirtComputingResource);
+        assertFalse(answer.getResult());
+
+        verify(libvirtComputingResource, times(1)).getLibvirtConnectionWrapper();
+        try {
+            verify(libvirtConnectionWrapper, times(1)).getConnectionByVmName(vmName);
+        } catch (final LibvirtException e) {
+            fail(e.getMessage());
+        }
+    }
 }
\ No newline at end of file