/// <summary>
/// Deactivate
/// </summary>
/// <param name="registration"></param>
/// <param name="context"></param>
/// <param name="ct"></param>
/// <returns></returns>
private async Task DeactivateAsync(EndpointRegistration registration,
RegistryOperationContextModel context, CancellationToken ct = default)
{
var endpoint = registration.ToServiceModel();
// Deactivate twin in twin settings - do no matter what
await ClearSupervisorTwinSecretAsync(registration.DeviceId,
registration.SupervisorId, ct);
// Call down to supervisor to ensure deactivation is complete - do no matter what
await Try.Async(() => _activator.DeactivateEndpointAsync(endpoint.Registration));
try {
// Mark as deactivated
if (registration.Activated ?? false)
{
var patch = endpoint.ToEndpointRegistration(
_serializer, registration.IsDisabled);
// Mark as deactivated
patch.Activated = false;
await _iothub.PatchAsync(registration.Patch(patch, _serializer), true);
}
await _broker.NotifyAllAsync(l => l.OnEndpointDeactivatedAsync(context, endpoint));
}
catch (Exception ex) {
_logger.Error(ex, "Failed to deactivate twin");
throw;
}
}
/// <summary>
/// Apply activation filter
/// </summary>
/// <param name="filter"></param>
/// <param name="registration"></param>
/// <param name="context"></param>
/// <param name="ct"></param>
/// <returns></returns>
private async Task <string> ApplyActivationFilterAsync(
EndpointActivationFilterModel filter, EndpointRegistration registration,
RegistryOperationContextModel context, CancellationToken ct = default)
{
if (filter == null || registration == null)
{
return(null);
}
// TODO: Get trust list entry and validate endpoint.Certificate
var mode = registration.SecurityMode ?? SecurityMode.None;
if (!mode.MatchesFilter(filter.SecurityMode ?? SecurityMode.Best))
{
return(null);
}
var policy = registration.SecurityPolicy;
if (filter.SecurityPolicies != null)
{
if (!filter.SecurityPolicies.Any(p =>
p.EqualsIgnoreCase(registration.SecurityPolicy)))
{
return(null);
}
}
try {
// Ensure device scope for the registration before getting the secret.
// Changing device's scope regenerates the secret.
await EnsureDeviceScopeForRegistrationAsync(registration, ct);
// Get endpoint twin secret
var secret = await _iothub.GetPrimaryKeyAsync(registration.DeviceId, null, ct);
var endpoint = registration.ToServiceModel();
// Try activate endpoint - if possible...
await _activator.ActivateEndpointAsync(endpoint.Registration, secret, ct);
// Mark in supervisor
await SetSupervisorTwinSecretAsync(registration.SupervisorId,
registration.DeviceId, secret, ct);
registration.Activated = true;
await _broker.NotifyAllAsync(
l => l.OnEndpointActivatedAsync(context, endpoint));
return(secret);
}
catch (Exception ex) {
_logger.Information(ex, "Failed activating {eeviceId} based off " +
"filter. Manual activation required.", registration.DeviceId);
return(null);
}
}
/// <summary>
/// Activate
/// </summary>
/// <param name="registration"></param>
/// <param name="context"></param>
/// <param name="ct"></param>
/// <returns></returns>
private async Task ActivateAsync(EndpointRegistration registration,
RegistryOperationContextModel context, CancellationToken ct = default)
{
// Ensure device scope for the registration before getting the secret.
// Changing device's scope regenerates the secret.
await EnsureDeviceScopeForRegistrationAsync(registration, ct);
// Update supervisor settings
var secret = await _iothub.GetPrimaryKeyAsync(registration.DeviceId, null, ct);
var endpoint = registration.ToServiceModel();
try {
// Call down to supervisor to activate - this can fail
await _activator.ActivateEndpointAsync(endpoint.Registration, secret, ct);
// Update supervisor desired properties
await SetSupervisorTwinSecretAsync(registration.SupervisorId,
registration.DeviceId, secret, ct);
if (!(registration.Activated ?? false))
{
// Update twin activation status in twin settings
var patch = endpoint.ToEndpointRegistration(_serializer,
registration.IsDisabled);
patch.Activated = true; // Mark registration as activated
await _iothub.PatchAsync(registration.Patch(patch, _serializer), true, ct);
}
await _broker.NotifyAllAsync(l => l.OnEndpointActivatedAsync(context, endpoint));
}
catch (Exception ex) {
// Undo activation
await Try.Async(() => _activator.DeactivateEndpointAsync(
endpoint.Registration));
await Try.Async(() => ClearSupervisorTwinSecretAsync(
registration.DeviceId, registration.SupervisorId));
_logger.Error(ex, "Failed to activate twin");
throw;
}
}