### First-Class Providers These changes implement support for first-class providers. First-class providers are provider plugins that are exposed as resources via the Pulumi programming model so that they may be explicitly and multiply instantiated. Each instance of a provider resource may be configured differently, and configuration parameters may be source from the outputs of other resources. ### Provider Plugin Changes In order to accommodate the need to verify and diff provider configuration and configure providers without complete configuration information, these changes adjust the high-level provider plugin interface. Two new methods for validating a provider's configuration and diffing changes to the same have been added (`CheckConfig` and `DiffConfig`, respectively), and the type of the configuration bag accepted by `Configure` has been changed to a `PropertyMap`. These changes have not yet been reflected in the provider plugin gRPC interface. We will do this in a set of follow-up changes. Until then, these methods are implemented by adapters: - `CheckConfig` validates that all configuration parameters are string or unknown properties. This is necessary because existing plugins only accept string-typed configuration values. - `DiffConfig` either returns "never replace" if all configuration values are known or "must replace" if any configuration value is unknown. The justification for this behavior is given [here](https://github.com/pulumi/pulumi/pull/1695/files#diff-a6cd5c7f337665f5bb22e92ca5f07537R106) - `Configure` converts the config bag to a legacy config map and configures the provider plugin if all config values are known. If any config value is unknown, the underlying plugin is not configured and the provider may only perform `Check`, `Read`, and `Invoke`, all of which return empty results. We justify this behavior becuase it is only possible during a preview and provides the best experience we can manage with the existing gRPC interface. ### Resource Model Changes Providers are now exposed as resources that participate in a stack's dependency graph. Like other resources, they are explicitly created, may have multiple instances, and may have dependencies on other resources. Providers are referred to using provider references, which are a combination of the provider's URN and its ID. This design addresses the need during a preview to refer to providers that have not yet been physically created and therefore have no ID. All custom resources that are not themselves providers must specify a single provider via a provider reference. The named provider will be used to manage that resource's CRUD operations. If a resource's provider reference changes, the resource must be replaced. Though its URN is not present in the resource's dependency list, the provider should be treated as a dependency of the resource when topologically sorting the dependency graph. Finally, `Invoke` operations must now specify a provider to use for the invocation via a provider reference. ### Engine Changes First-class providers support requires a few changes to the engine: - The engine must have some way to map from provider references to provider plugins. It must be possible to add providers from a stack's checkpoint to this map and to register new/updated providers during the execution of a plan in response to CRUD operations on provider resources. - In order to support updating existing stacks using existing Pulumi programs that may not explicitly instantiate providers, the engine must be able to manage the "default" providers for each package referenced by a checkpoint or Pulumi program. The configuration for a "default" provider is taken from the stack's configuration data. The former need is addressed by adding a provider registry type that is responsible for managing all of the plugins required by a plan. In addition to loading plugins froma checkpoint and providing the ability to map from a provider reference to a provider plugin, this type serves as the provider plugin for providers themselves (i.e. it is the "provider provider"). The latter need is solved via two relatively self-contained changes to plan setup and the eval source. During plan setup, the old checkpoint is scanned for custom resources that do not have a provider reference in order to compute the set of packages that require a default provider. Once this set has been computed, the required default provider definitions are conjured and prepended to the checkpoint's resource list. Each resource that requires a default provider is then updated to refer to the default provider for its package. While an eval source is running, each custom resource registration, resource read, and invoke that does not name a provider is trapped before being returned by the source iterator. If no default provider for the appropriate package has been registered, the eval source synthesizes an appropriate registration, waits for it to complete, and records the registered provider's reference. This reference is injected into the original request, which is then processed as usual. If a default provider was already registered, the recorded reference is used and no new registration occurs. ### SDK Changes These changes only expose first-class providers from the Node.JS SDK. - A new abstract class, `ProviderResource`, can be subclassed and used to instantiate first-class providers. - A new field in `ResourceOptions`, `provider`, can be used to supply a particular provider instance to manage a `CustomResource`'s CRUD operations. - A new type, `InvokeOptions`, can be used to specify options that control the behavior of a call to `pulumi.runtime.invoke`. This type includes a `provider` field that is analogous to `ResourceOptions.provider`.
133 lines
4.7 KiB
Go
133 lines
4.7 KiB
Go
// Code generated by protoc-gen-go. DO NOT EDIT.
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// source: plugin.proto
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package pulumirpc
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import proto "github.com/golang/protobuf/proto"
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import fmt "fmt"
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import math "math"
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// Reference imports to suppress errors if they are not otherwise used.
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var _ = proto.Marshal
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var _ = fmt.Errorf
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var _ = math.Inf
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// This is a compile-time assertion to ensure that this generated file
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// is compatible with the proto package it is being compiled against.
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// A compilation error at this line likely means your copy of the
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// proto package needs to be updated.
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const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
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// PluginInfo is meta-information about a plugin that is used by the system.
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type PluginInfo struct {
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Version string `protobuf:"bytes,1,opt,name=version" json:"version,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *PluginInfo) Reset() { *m = PluginInfo{} }
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func (m *PluginInfo) String() string { return proto.CompactTextString(m) }
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func (*PluginInfo) ProtoMessage() {}
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func (*PluginInfo) Descriptor() ([]byte, []int) {
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return fileDescriptor_plugin_6374fd953f733c72, []int{0}
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}
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func (m *PluginInfo) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_PluginInfo.Unmarshal(m, b)
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}
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func (m *PluginInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_PluginInfo.Marshal(b, m, deterministic)
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}
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func (dst *PluginInfo) XXX_Merge(src proto.Message) {
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xxx_messageInfo_PluginInfo.Merge(dst, src)
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}
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func (m *PluginInfo) XXX_Size() int {
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return xxx_messageInfo_PluginInfo.Size(m)
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}
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func (m *PluginInfo) XXX_DiscardUnknown() {
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xxx_messageInfo_PluginInfo.DiscardUnknown(m)
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}
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var xxx_messageInfo_PluginInfo proto.InternalMessageInfo
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func (m *PluginInfo) GetVersion() string {
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if m != nil {
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return m.Version
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}
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return ""
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}
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// PluginDependency is information about a plugin that a program may depend upon.
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type PluginDependency struct {
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Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
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Kind string `protobuf:"bytes,2,opt,name=kind" json:"kind,omitempty"`
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Version string `protobuf:"bytes,3,opt,name=version" json:"version,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *PluginDependency) Reset() { *m = PluginDependency{} }
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func (m *PluginDependency) String() string { return proto.CompactTextString(m) }
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func (*PluginDependency) ProtoMessage() {}
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func (*PluginDependency) Descriptor() ([]byte, []int) {
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return fileDescriptor_plugin_6374fd953f733c72, []int{1}
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}
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func (m *PluginDependency) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_PluginDependency.Unmarshal(m, b)
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}
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func (m *PluginDependency) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_PluginDependency.Marshal(b, m, deterministic)
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}
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func (dst *PluginDependency) XXX_Merge(src proto.Message) {
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xxx_messageInfo_PluginDependency.Merge(dst, src)
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}
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func (m *PluginDependency) XXX_Size() int {
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return xxx_messageInfo_PluginDependency.Size(m)
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}
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func (m *PluginDependency) XXX_DiscardUnknown() {
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xxx_messageInfo_PluginDependency.DiscardUnknown(m)
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}
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var xxx_messageInfo_PluginDependency proto.InternalMessageInfo
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func (m *PluginDependency) GetName() string {
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if m != nil {
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return m.Name
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}
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return ""
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}
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func (m *PluginDependency) GetKind() string {
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if m != nil {
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return m.Kind
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}
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return ""
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}
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func (m *PluginDependency) GetVersion() string {
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if m != nil {
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return m.Version
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}
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return ""
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}
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func init() {
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proto.RegisterType((*PluginInfo)(nil), "pulumirpc.PluginInfo")
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proto.RegisterType((*PluginDependency)(nil), "pulumirpc.PluginDependency")
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}
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func init() { proto.RegisterFile("plugin.proto", fileDescriptor_plugin_6374fd953f733c72) }
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var fileDescriptor_plugin_6374fd953f733c72 = []byte{
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// 130 bytes of a gzipped FileDescriptorProto
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0x3b, 0x33, 0x2f, 0x45, 0x82, 0x09, 0x22, 0x06, 0x62, 0x23, 0x9b, 0xca, 0x8c, 0x62, 0x6a, 0x12,
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0x1b, 0xd8, 0x3d, 0xc6, 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x27, 0x6c, 0x8e, 0x80, 0x9f, 0x00,
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0x00, 0x00,
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}
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