private async Task <PrepareResult> PrepareResourceAsync(
string label, Resource res, bool custom, bool remote,
ResourceArgs args, ResourceOptions options)
{
// Before we can proceed, all our dependencies must be finished.
var type = res.GetResourceType();
var name = res.GetResourceName();
LogExcessive($"Gathering explicit dependencies: t={type}, name={name}, custom={custom}, remote={remote}");
var explicitDirectDependencies = new HashSet <Resource>(
await GatherExplicitDependenciesAsync(options.DependsOn).ConfigureAwait(false));
LogExcessive($"Gathered explicit dependencies: t={type}, name={name}, custom={custom}, remote={remote}");
// Serialize out all our props to their final values. In doing so, we'll also collect all
// the Resources pointed to by any Dependency objects we encounter, adding them to 'propertyDependencies'.
LogExcessive($"Serializing properties: t={type}, name={name}, custom={custom}, remote={remote}");
var dictionary = await args.ToDictionaryAsync().ConfigureAwait(false);
var(serializedProps, propertyToDirectDependencies) =
await SerializeResourcePropertiesAsync(
label,
dictionary,
await this.MonitorSupportsResourceReferences().ConfigureAwait(false),
keepOutputValues : remote && await MonitorSupportsOutputValues().ConfigureAwait(false)).ConfigureAwait(false);
LogExcessive($"Serialized properties: t={type}, name={name}, custom={custom}, remote={remote}");
// Wait for the parent to complete.
// If no parent was provided, parent to the root resource.
LogExcessive($"Getting parent urn: t={type}, name={name}, custom={custom}, remote={remote}");
var parentUrn = options.Parent != null
? await options.Parent.Urn.GetValueAsync(whenUnknown : default !).ConfigureAwait(false)
internal static CustomResourceOptions CreateCustomResourceOptionsCopy(ResourceOptions options)
{
var customOptions = options as CustomResourceOptions;
var copied = CreateResourceOptionsCopy(options);
return(new CustomResourceOptions
{
// Base properties
Aliases = copied.Aliases,
CustomTimeouts = copied.CustomTimeouts,
DependsOn = copied.DependsOn,
Id = copied.Id,
Parent = copied.Parent,
IgnoreChanges = copied.IgnoreChanges,
Protect = copied.Protect,
Provider = copied.Provider,
ResourceTransformations = copied.ResourceTransformations,
Version = copied.Version,
// Our properties
AdditionalSecretOutputs = customOptions?.AdditionalSecretOutputs.ToList() ?? new List <string>(),
DeleteBeforeReplace = customOptions?.DeleteBeforeReplace,
ImportId = customOptions?.ImportId,
});
}
private static RegisterResourceRequest CreateRegisterResourceRequest(
string type, string name, bool custom, bool remote, ResourceOptions options)
{
var customOpts = options as CustomResourceOptions;
var deleteBeforeReplace = customOpts?.DeleteBeforeReplace;
var request = new RegisterResourceRequest()
{
Type = type,
Name = name,
Custom = custom,
Protect = options.Protect ?? false,
Version = options.Version ?? "",
ImportId = customOpts?.ImportId ?? "",
AcceptSecrets = true,
DeleteBeforeReplace = deleteBeforeReplace ?? false,
DeleteBeforeReplaceDefined = deleteBeforeReplace != null,
CustomTimeouts = new RegisterResourceRequest.Types.CustomTimeouts
{
Create = TimeoutString(options.CustomTimeouts?.Create),
Delete = TimeoutString(options.CustomTimeouts?.Delete),
Update = TimeoutString(options.CustomTimeouts?.Update),
},
Remote = remote,
};
if (customOpts != null)
{
request.AdditionalSecretOutputs.AddRange(customOpts.AdditionalSecretOutputs);
}
request.IgnoreChanges.AddRange(options.IgnoreChanges);
return(request);
}
private async Task <(string urn, string id, Struct data)> ReadOrRegisterResourceAsync(
Resource resource, ResourceArgs args, ResourceOptions options)
{
if (options.Id != null)
{
var id = await options.Id.ToOutput().GetValueAsync().ConfigureAwait(false);
if (!string.IsNullOrEmpty(id))
{
if (!(resource is CustomResource))
{
throw new ArgumentException($"{nameof(ResourceOptions)}.{nameof(ResourceOptions.Id)} is only valid for a {nameof(CustomResource)}");
}
// If this resource already exists, read its state rather than registering it anew.
return(await ReadResourceAsync(resource, id, args, options).ConfigureAwait(false));
}
}
// Kick off the resource registration. If we are actually performing a deployment, this
// resource's properties will be resolved asynchronously after the operation completes,
// so that dependent computations resolve normally. If we are just planning, on the
// other hand, values will never resolve.
return(await RegisterResourceAsync(resource, args, options).ConfigureAwait(false));
}
private async Task <(string urn, string id, Struct data)> RegisterResourceAsync(
Resource resource, ResourceArgs args, ResourceOptions options)
{
var name = resource.GetResourceName();
var type = resource.GetResourceType();
var custom = resource is CustomResource;
var label = $"resource:{name}[{type}]";
Log.Debug($"Registering resource start: t={type}, name={name}, custom={custom}");
var request = CreateRegisterResourceRequest(type, name, custom, options);
Log.Debug($"Preparing resource: t={type}, name={name}, custom={custom}");
var prepareResult = await PrepareResourceAsync(label, resource, custom, args, options).ConfigureAwait(false);
Log.Debug($"Prepared resource: t={type}, name={name}, custom={custom}");
PopulateRequest(request, prepareResult);
Log.Debug($"Registering resource monitor start: t={type}, name={name}, custom={custom}");
var result = await this.Monitor.RegisterResourceAsync(request);
Log.Debug($"Registering resource monitor end: t={type}, name={name}, custom={custom}");
return(result.Urn, result.Id, result.Object);
}
internal static ResourceOptions CreateResourceOptionsCopy(ResourceOptions options)
=> new ResourceOptions
{
Aliases = options.Aliases.ToList(),
CustomTimeouts = CustomTimeouts.Clone(options.CustomTimeouts),
DependsOn = options.DependsOn.Clone(),
Id = options.Id,
Parent = options.Parent,
IgnoreChanges = options.IgnoreChanges.ToList(),
Protect = options.Protect,
Provider = options.Provider,
ResourceTransformations = options.ResourceTransformations.ToList(),
Version = options.Version,
};
internal static TResourceOptions CreateCopy <TResourceOptions>(ResourceOptions options) where TResourceOptions : ResourceOptions, new()
=> new TResourceOptions
{
Aliases = options.Aliases.ToList(),
CustomTimeouts = CustomTimeouts.Clone(options.CustomTimeouts),
DependsOn = options.DependsOn.Clone(),
Id = options.Id,
Parent = options.Parent,
IgnoreChanges = options.IgnoreChanges.ToList(),
Protect = options.Protect,
Provider = options.Provider,
ResourceTransformations = options.ResourceTransformations.ToList(),
Urn = options.Urn,
Version = options.Version
};
static ResourceOptions MergeNormalOptions(ResourceOptions options1, ResourceOptions options2)
{
options1.Id = options2.Id ?? options1.Id;
options1.Parent = options2.Parent ?? options1.Parent;
options1.Protect = options2.Protect ?? options1.Protect;
options1.Version = options2.Version ?? options1.Version;
options1.Provider = options2.Provider ?? options1.Provider;
options1.CustomTimeouts = options2.CustomTimeouts ?? options1.CustomTimeouts;
options1.IgnoreChanges.AddRange(options2.IgnoreChanges);
options1.ResourceTransformations.AddRange(options2.ResourceTransformations);
options1.Aliases.AddRange(options2.Aliases);
options1.DependsOn = options1.DependsOn.Concat(options2.DependsOn);
return(options1);
}
void IDeploymentInternal.ReadOrRegisterResource(
Resource resource, bool remote, Func<string, Resource> newDependency, ResourceArgs args,
ResourceOptions options)
{
// ReadOrRegisterResource is called in a fire-and-forget manner. Make sure we keep
// track of this task so that the application will not quit until this async work
// completes.
//
// Also, we can only do our work once the constructor for the resource has actually
// finished. Otherwise, we might actually read and get the result back *prior* to the
// object finishing initializing. Note: this is not a speculative concern. This is
// something that does happen and has to be accounted for.
_runner.RegisterTask(
$"{nameof(IDeploymentInternal.ReadOrRegisterResource)}: {resource.GetResourceType()}-{resource.GetResourceName()}",
CompleteResourceAsync(resource, remote, newDependency, args, options, resource.CompletionSources));
}
private async Task <(string urn, string id, Struct data, ImmutableDictionary <string, ImmutableHashSet <Resource> > dependencies)> ReadOrRegisterResourceAsync(
Resource resource, bool remote, Func <string, Resource> newDependency, ResourceArgs args,
ResourceOptions options)
{
if (options.Urn != null)
{
// This is a resource that already exists. Read its state from the engine.
var invokeResult = await InvokeRawAsync(
"pulumi:pulumi:getResource",
new GetResourceInvokeArgs { Urn = options.Urn },
new InvokeOptions()).ConfigureAwait(false);
var result = invokeResult.Serialized;
var urn = result.Fields["urn"].StringValue;
var id = result.Fields["id"].StringValue;
var state = result.Fields["state"].StructValue;
return(urn, id, state, ImmutableDictionary <string, ImmutableHashSet <Resource> > .Empty);
}
if (options.Id != null)
{
var id = await options.Id.ToOutput().GetValueAsync(whenUnknown: "").ConfigureAwait(false);
if (!string.IsNullOrEmpty(id))
{
if (!(resource is CustomResource))
{
throw new ArgumentException($"{nameof(ResourceOptions)}.{nameof(ResourceOptions.Id)} is only valid for a {nameof(CustomResource)}");
}
// If this resource already exists, read its state rather than registering it anew.
return(await ReadResourceAsync(resource, id, args, options).ConfigureAwait(false));
}
}
// Kick off the resource registration. If we are actually performing a deployment, this
// resource's properties will be resolved asynchronously after the operation completes,
// so that dependent computations resolve normally. If we are just planning, on the
// other hand, values will never resolve.
return(await RegisterResourceAsync(resource, remote, newDependency, args, options).ConfigureAwait(false));
}
private async Task <(string urn, string id, Struct data, ImmutableDictionary <string, ImmutableHashSet <Resource> > dependencies)> RegisterResourceAsync(
Resource resource, bool remote, Func <string, Resource> newDependency, ResourceArgs args,
ResourceOptions options)
{
var name = resource.GetResourceName();
var type = resource.GetResourceType();
var custom = resource is CustomResource;
var label = $"resource:{name}[{type}]";
Log.Debug($"Registering resource start: t={type}, name={name}, custom={custom}, remote={remote}");
var request = CreateRegisterResourceRequest(type, name, custom, remote, options);
Log.Debug($"Preparing resource: t={type}, name={name}, custom={custom}, remote={remote}");
var prepareResult = await PrepareResourceAsync(label, resource, custom, remote, args, options).ConfigureAwait(false);
Log.Debug($"Prepared resource: t={type}, name={name}, custom={custom}, remote={remote}");
PopulateRequest(request, prepareResult);
Log.Debug($"Registering resource monitor start: t={type}, name={name}, custom={custom}, remote={remote}");
var result = await this.Monitor.RegisterResourceAsync(resource, request);
Log.Debug($"Registering resource monitor end: t={type}, name={name}, custom={custom}, remote={remote}");
var dependencies = ImmutableDictionary.CreateBuilder <string, ImmutableHashSet <Resource> >();
foreach (var(key, propertyDependencies) in result.PropertyDependencies)
{
var urns = ImmutableHashSet.CreateBuilder <Resource>();
foreach (var urn in propertyDependencies.Urns)
{
urns.Add(newDependency(urn));
}
dependencies[key] = urns.ToImmutable();
}
return(result.Urn, result.Id, result.Object, dependencies.ToImmutable());
}
private async Task <(string urn, string id, Struct data, ImmutableDictionary <string, ImmutableHashSet <Resource> > dependencies)> ReadResourceAsync(
Resource resource, string id, ResourceArgs args, ResourceOptions options)
{
var name = resource.GetResourceName();
var type = resource.GetResourceType();
var label = $"resource:{name}[{type}]#...";
Log.Debug($"Reading resource: id={id}, t=${type}, name=${name}");
var prepareResult = await this.PrepareResourceAsync(
label, resource, custom : true, remote : false, args, options).ConfigureAwait(false);
var serializer = new Serializer(_excessiveDebugOutput);
Log.Debug($"ReadResource RPC prepared: id={id}, t={type}, name={name}" +
(_excessiveDebugOutput ? $", obj={prepareResult.SerializedProps}" : ""));
// Create a resource request and do the RPC.
var request = new ReadResourceRequest
{
Type = type,
Name = name,
Id = id,
Parent = prepareResult.ParentUrn,
Provider = prepareResult.ProviderRef,
Properties = prepareResult.SerializedProps,
Version = options?.Version ?? "",
AcceptSecrets = true,
AcceptResources = !_disableResourceReferences,
};
request.Dependencies.AddRange(prepareResult.AllDirectDependencyURNs);
// Now run the operation, serializing the invocation if necessary.
var response = await this.Monitor.ReadResourceAsync(resource, request);
return(response.Urn, id, response.Properties, ImmutableDictionary <string, ImmutableHashSet <Resource> > .Empty);
}
internal static ComponentResourceOptions CreateComponentResourceOptionsCopy(ResourceOptions options)
{
var componentOptions = options as ComponentResourceOptions;
var cloned = CreateResourceOptionsCopy(options);
return(new ComponentResourceOptions
{
// Base properties
Aliases = cloned.Aliases,
CustomTimeouts = cloned.CustomTimeouts,
DependsOn = cloned.DependsOn,
Id = cloned.Id,
Parent = cloned.Parent,
IgnoreChanges = cloned.IgnoreChanges,
Protect = cloned.Protect,
Provider = cloned.Provider,
ResourceTransformations = cloned.ResourceTransformations,
Version = cloned.Version,
// Our properties
Providers = componentOptions?.Providers.ToList() ?? new List <ProviderResource>(),
});
}
void IDeploymentInternal.ReadOrRegisterResource(
Resource resource, ResourceArgs args, ResourceOptions options)
{
// ReadOrRegisterResource is called in a fire-and-forget manner. Make sure we keep
// track of this task so that the application will not quit until this async work
// completes.
//
// Also, we can only do our work once the constructor for the resource has actually
// finished. Otherwise, we might actually read and get the result back *prior* to the
// object finishing initializing. Note: this is not a speculative concern. This is
// something that does happen and has to be accounted for.
//
// IMPORTANT! We have to make sure we run 'OutputCompletionSource.InitializeOutputs'
// synchronously directly when `resource`'s constructor runs since this will set all of
// the `[Output(...)] Output<T>` properties. We need those properties assigned by the
// time the base 'Resource' constructor finishes so that both derived classes and
// external consumers can use the Output properties of `resource`.
var completionSources = OutputCompletionSource.InitializeOutputs(resource);
_runner.RegisterTask(
$"{nameof(IDeploymentInternal.ReadOrRegisterResource)}: {resource.GetResourceType()}-{resource.GetResourceName()}",
CompleteResourceAsync(resource, args, options, completionSources));
}
internal static ResourceOptions CreateResourceOptionsCopy(ResourceOptions options) => CreateCopy <ResourceOptions>(options);
private async Task <PrepareResult> PrepareResourceAsync(
string label, Resource res, bool custom, bool remote,
ResourceArgs args, ResourceOptions options)
{
/* IMPORTANT! We should never await prior to this line, otherwise the Resource will be partly uninitialized. */
// Before we can proceed, all our dependencies must be finished.
var type = res.GetResourceType();
var name = res.GetResourceName();
LogExcessive($"Gathering explicit dependencies: t={type}, name={name}, custom={custom}, remote={remote}");
var explicitDirectDependencies = new HashSet <Resource>(
await GatherExplicitDependenciesAsync(options.DependsOn).ConfigureAwait(false));
LogExcessive($"Gathered explicit dependencies: t={type}, name={name}, custom={custom}, remote={remote}");
// Serialize out all our props to their final values. In doing so, we'll also collect all
// the Resources pointed to by any Dependency objects we encounter, adding them to 'propertyDependencies'.
LogExcessive($"Serializing properties: t={type}, name={name}, custom={custom}, remote={remote}");
var dictionary = await args.ToDictionaryAsync().ConfigureAwait(false);
var(serializedProps, propertyToDirectDependencies) =
await SerializeResourcePropertiesAsync(
label,
dictionary,
await this.MonitorSupportsResourceReferences().ConfigureAwait(false)).ConfigureAwait(false);
LogExcessive($"Serialized properties: t={type}, name={name}, custom={custom}, remote={remote}");
// Wait for the parent to complete.
// If no parent was provided, parent to the root resource.
LogExcessive($"Getting parent urn: t={type}, name={name}, custom={custom}, remote={remote}");
var parentUrn = options.Parent != null
? await options.Parent.Urn.GetValueAsync().ConfigureAwait(false)
: await GetRootResourceAsync(type).ConfigureAwait(false);
LogExcessive($"Got parent urn: t={type}, name={name}, custom={custom}, remote={remote}");
string?providerRef = null;
if (custom)
{
var customOpts = options as CustomResourceOptions;
providerRef = await ProviderResource.RegisterAsync(customOpts?.Provider).ConfigureAwait(false);
}
var providerRefs = new Dictionary <string, string>();
if (remote && options is ComponentResourceOptions componentOpts)
{
// If only the Provider opt is set, move it to the Providers list for further processing.
if (componentOpts.Provider != null && componentOpts.Providers.Count == 0)
{
componentOpts.Providers.Add(componentOpts.Provider);
componentOpts.Provider = null;
}
foreach (var provider in componentOpts.Providers)
{
var pref = await ProviderResource.RegisterAsync(provider).ConfigureAwait(false);
if (pref != null)
{
providerRefs.Add(provider.Package, pref);
}
}
}
// Collect the URNs for explicit/implicit dependencies for the engine so that it can understand
// the dependency graph and optimize operations accordingly.
// The list of all dependencies (implicit or explicit).
var allDirectDependencies = new HashSet <Resource>(explicitDirectDependencies);
var allDirectDependencyUrns = await GetAllTransitivelyReferencedResourceUrnsAsync(explicitDirectDependencies).ConfigureAwait(false);
var propertyToDirectDependencyUrns = new Dictionary <string, HashSet <string> >();
foreach (var(propertyName, directDependencies) in propertyToDirectDependencies)
{
allDirectDependencies.AddRange(directDependencies);
var urns = await GetAllTransitivelyReferencedResourceUrnsAsync(directDependencies).ConfigureAwait(false);
allDirectDependencyUrns.AddRange(urns);
propertyToDirectDependencyUrns[propertyName] = urns;
}
// Wait for all aliases. Note that we use 'res._aliases' instead of 'options.aliases' as
// the former has been processed in the Resource constructor prior to calling
// 'registerResource' - both adding new inherited aliases and simplifying aliases down
// to URNs.
var aliases = new List <string>();
var uniqueAliases = new HashSet <string>();
foreach (var alias in res._aliases)
{
var aliasVal = await alias.ToOutput().GetValueAsync().ConfigureAwait(false);
if (uniqueAliases.Add(aliasVal))
{
aliases.Add(aliasVal);
}
}
return(new PrepareResult(
serializedProps,
parentUrn ?? "",
providerRef ?? "",
providerRefs,
allDirectDependencyUrns,
propertyToDirectDependencyUrns,
aliases));
void LogExcessive(string message)
{
if (_excessiveDebugOutput)
{
Log.Debug(message);
}
}
}
/// <summary>
/// Creates and registers a new resource object. <paramref name="type"/> is the fully
/// qualified type token and <paramref name="name"/> is the "name" part to use in creating a
/// stable and globally unique URN for the object. dependsOn is an optional list of other
/// resources that this resource depends on, controlling the order in which we perform
/// resource operations.
/// </summary>
/// <param name="type">The type of the resource.</param>
/// <param name="name">The unique name of the resource.</param>
/// <param name="custom">True to indicate that this is a custom resource, managed by a plugin.</param>
/// <param name="args">The arguments to use to populate the new resource.</param>
/// <param name="options">A bag of options that control this resource's behavior.</param>
/// <param name="remote">True if this is a remote component resource.</param>
/// <param name="dependency">True if this is a synthetic resource used internally for dependency tracking.</param>
private protected Resource(
string type, string name, bool custom,
ResourceArgs args, ResourceOptions options,
bool remote = false, bool dependency = false)
{
if (dependency)
{
_type = "";
_name = "";
_protect = false;
_providers = ImmutableDictionary <string, ProviderResource> .Empty;
return;
}
if (string.IsNullOrEmpty(type))
{
throw new ArgumentException("'type' cannot be null or empty.", nameof(type));
}
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("'name' cannot be null or empty.", nameof(name));
}
// Before anything else - if there are transformations registered, invoke them in order
// to transform the properties and options assigned to this resource.
var parent = type == Stack._rootPulumiStackTypeName
? null
: (options.Parent ?? Deployment.InternalInstance.Stack);
_type = type;
_name = name;
var transformations = ImmutableArray.CreateBuilder <ResourceTransformation>();
transformations.AddRange(options.ResourceTransformations);
if (parent != null)
{
transformations.AddRange(parent._transformations);
}
this._transformations = transformations.ToImmutable();
foreach (var transformation in this._transformations)
{
var tres = transformation(new ResourceTransformationArgs(this, args, options));
if (tres != null)
{
if (tres.Value.Options.Parent != options.Parent)
{
// This is currently not allowed because the parent tree is needed to
// establish what transformation to apply in the first place, and to compute
// inheritance of other resource options in the Resource constructor before
// transformations are run (so modifying it here would only even partially
// take affect). It's theoretically possible this restriction could be
// lifted in the future, but for now just disallow re-parenting resources in
// transformations to be safe.
throw new ArgumentException("Transformations cannot currently be used to change the 'parent' of a resource.");
}
args = tres.Value.Args;
options = tres.Value.Options;
}
}
// Make a shallow clone of options to ensure we don't modify the value passed in.
options = options.Clone();
var componentOpts = options as ComponentResourceOptions;
var customOpts = options as CustomResourceOptions;
if (options.Provider != null &&
componentOpts?.Providers.Count > 0)
{
throw new ResourceException("Do not supply both 'provider' and 'providers' options to a ComponentResource.", options.Parent);
}
// Check the parent type if one exists and fill in any default options.
this._providers = ImmutableDictionary <string, ProviderResource> .Empty;
if (options.Parent != null)
{
var parentResource = options.Parent;
lock (parentResource.ChildResources)
{
parentResource.ChildResources.Add(this);
}
options.Protect ??= options.Parent._protect;
// Make a copy of the aliases array, and add to it any implicit aliases inherited from its parent
options.Aliases = options.Aliases.ToList();
foreach (var parentAlias in options.Parent._aliases)
{
options.Aliases.Add(Pulumi.Urn.InheritedChildAlias(name, options.Parent.GetResourceName(), parentAlias, type));
}
this._providers = options.Parent._providers;
}
if (custom)
{
var provider = customOpts?.Provider;
if (provider == null)
{
if (options.Parent != null)
{
// If no provider was given, but we have a parent, then inherit the
// provider from our parent.
options.Provider = options.Parent.GetProvider(type);
}
}
else
{
// If a provider was specified, add it to the providers map under this type's package so that
// any children of this resource inherit its provider.
var typeComponents = type.Split(":");
if (typeComponents.Length == 3)
{
var pkg = typeComponents[0];
this._providers = this._providers.SetItem(pkg, provider);
}
}
}
else
{
// Note: we checked above that at most one of options.provider or options.providers
// is set.
// If options.provider is set, treat that as if we were given a array of provider
// with that single value in it. Otherwise, take the array of providers, convert it
// to a map and combine with any providers we've already set from our parent.
var providerList = options.Provider != null
? new List <ProviderResource> {
options.Provider
}
: componentOpts?.Providers;
this._providers = this._providers.AddRange(ConvertToProvidersMap(providerList));
}
this._protect = options.Protect == true;
this._provider = custom ? options.Provider : null;
this._version = options.Version;
// Collapse any 'Alias'es down to URNs. We have to wait until this point to do so
// because we do not know the default 'name' and 'type' to apply until we are inside the
// resource constructor.
var aliases = ImmutableArray.CreateBuilder <Input <string> >();
foreach (var alias in options.Aliases)
{
aliases.Add(CollapseAliasToUrn(alias, name, type, options.Parent));
}
this._aliases = aliases.ToImmutable();
Deployment.InternalInstance.ReadOrRegisterResource(this, remote, urn => new DependencyResource(urn), args, options);
}
/// <summary>
/// Calls <see cref="ReadOrRegisterResourceAsync"/> then completes all the
/// <see cref="IOutputCompletionSource"/> sources on the <paramref name="resource"/> with
/// the results of it.
/// </summary>
private async Task CompleteResourceAsync(
Resource resource, bool remote, Func <string, Resource> newDependency, ResourceArgs args,
ResourceOptions options, ImmutableDictionary <string, IOutputCompletionSource> completionSources)
{
// Run in a try/catch/finally so that we always resolve all the outputs of the resource
// regardless of whether we encounter an errors computing the action.
try
{
var response = await ReadOrRegisterResourceAsync(
resource, remote, newDependency, args, options).ConfigureAwait(false);
completionSources[Constants.UrnPropertyName].SetStringValue(response.urn, isKnown: true);
if (resource is CustomResource)
{
// ReSharper disable once ConstantNullCoalescingCondition
var id = response.id ?? "";
completionSources[Constants.IdPropertyName].SetStringValue(id, isKnown: id != "");
}
// Go through all our output fields and lookup a corresponding value in the response
// object. Allow the output field to deserialize the response.
foreach (var(fieldName, completionSource) in completionSources)
{
if (fieldName == Constants.UrnPropertyName || fieldName == Constants.IdPropertyName)
{
// Already handled specially above.
continue;
}
// We process and deserialize each field (instead of bulk processing
// 'response.data' so that each field can have independent isKnown/isSecret
// values. We do not want to bubble up isKnown/isSecret from one field to the
// rest.
if (response.data.Fields.TryGetValue(fieldName, out var value))
{
if (!response.dependencies.TryGetValue(fieldName, out var dependencies))
{
dependencies = ImmutableHashSet <Resource> .Empty;
}
var converted = Converter.ConvertValue($"{resource.GetType().FullName}.{fieldName}", value,
completionSource.TargetType, dependencies);
completionSource.SetValue(converted);
}
}
}
catch (Exception e)
{
// Mark any unresolved output properties with this exception. That way we don't
// leave any outstanding tasks sitting around which might cause hangs.
foreach (var source in completionSources.Values)
{
source.TrySetException(e);
}
throw;
}
finally
{
// ensure that we've at least resolved all our completion sources. That way we
// don't leave any outstanding tasks sitting around which might cause hangs.
foreach (var source in completionSources.Values)
{
// Didn't get a value for this field. Resolve it with a default value.
// If we're in preview, we'll consider this unknown and in a normal
// update we'll consider it known.
source.TrySetDefaultResult(isKnown: !_isDryRun);
}
}
}
