protected VmInstanceConnectionSettings ApplyDefaults(ZoneConnectionSettings zoneSettings)
{
var prototype = new VmInstanceConnectionSettings(this.ProjectId, this.InstanceName);
ApplyOverlay(prototype, zoneSettings, this);
return(prototype);
}
public VmInstanceConnectionSettings OverlayBy(VmInstanceConnectionSettings instanceSettings)
{
var result = VmInstanceConnectionSettings.CreateNew(
instanceSettings.ProjectId,
instanceSettings.InstanceName);
ApplyOverlay(result, this, instanceSettings);
return(result);
}
public void SetVmInstanceSettings(VmInstanceConnectionSettings settings)
{
using (var key = this.projectRepository.OpenRegistryKey(
settings.ProjectId,
VmPrefix + settings.InstanceName,
true))
{
settings.Save(key);
}
}
//-------------------------------------------------------------------------
// Create.
//-------------------------------------------------------------------------
public static VmInstanceConnectionSettings FromKey(
string projectId,
string instanceName,
RegistryKey registryKey)
{
var settings = new VmInstanceConnectionSettings(projectId, instanceName);
settings.InitializeFromKey(registryKey);
return(settings);
}
//---------------------------------------------------------------------
// Virtual Machines.
//---------------------------------------------------------------------
public VmInstanceConnectionSettings GetVmInstanceSettings(string projectId, string instanceName)
{
using (var key = this.projectRepository.OpenRegistryKey(
projectId,
VmPrefix + instanceName,
true))
{
return(VmInstanceConnectionSettings.FromKey(
projectId,
instanceName,
key));
}
}
private async Task ConnectInstanceAsync(
InstanceLocator instanceRef,
VmInstanceConnectionSettings settings)
{
var tunnel = await this.jobService.RunInBackground(
new JobDescription(
$"Opening Cloud IAP tunnel to {instanceRef.Name}...",
JobUserFeedbackType.BackgroundFeedback),
async token =>
{
try
{
var destination = new TunnelDestination(
instanceRef,
(ushort)settings.RdpPort.IntValue);
// Give IAP the same timeout for probing as RDP itself.
// Note that the timeouts are not additive.
var timeout = TimeSpan.FromSeconds(settings.ConnectionTimeout.IntValue);
return(await this.tunnelBrokerService.ConnectAsync(
destination,
new SameProcessRelayPolicy(),
timeout)
.ConfigureAwait(false));
}
catch (NetworkStreamClosedException e)
{
throw new IapRdpConnectionFailedException(
"Connecting to the instance failed. Make sure that you have " +
"configured your firewall rules to permit Cloud IAP access " +
$"to {instanceRef.Name}",
HelpTopics.CreateIapFirewallRule,
e);
}
catch (UnauthorizedException)
{
throw new IapRdpConnectionFailedException(
"You are not authorized to connect to this VM instance.\n\n" +
$"Verify that the Cloud IAP API is enabled in the project {instanceRef.ProjectId} " +
"and that your user has the 'IAP-secured Tunnel User' role.",
HelpTopics.IapAccess);
}
}).ConfigureAwait(true);
this.remoteDesktopService.Connect(
instanceRef,
"localhost",
(ushort)tunnel.LocalPort,
settings);
}
public async Task ActivateOrConnectInstanceAsync(IapRdpUrl url)
{
if (this.remoteDesktopService.TryActivate(url.Instance))
{
// RDP session was active, nothing left to do.
return;
}
VmInstanceConnectionSettings settings;
if (this.projectExplorer.TryFindNode(url.Instance)
is IProjectExplorerVmInstanceNode vmNode)
{
// We have a full set of settings for this VM, so use that as basis
settings = (VmInstanceConnectionSettings)
this.settingsService.GetConnectionSettings(vmNode);
// Apply parameters from URL on top.
settings.ApplyUrlQuery(url.Parameters);
}
else
{
settings = VmInstanceConnectionSettings.FromUrl(url);
}
await this.credentialPrompt.ShowCredentialsPromptAsync(
this.window,
url.Instance,
settings,
false)
.ConfigureAwait(true);
await ConnectInstanceAsync(
url.Instance,
settings)
.ConfigureAwait(true);
}
