terraform

type ApplyGraphBuilder struct {
	// Config is the configuration tree that the diff was built from.
	Config *configs.Config

	// Changes describes the changes that we need apply.
	Changes *plans.Changes

	// State is the current state
	State *states.State

	// Components is a factory for the plug-in components (providers and
	// provisioners) available for use.
	Components contextComponentFactory

	// Schemas is the repository of schemas we will draw from to analyse
	// the configuration.
	Schemas *Schemas

	// Targets are resources to target. This is only required to make sure
	// unnecessary outputs aren't included in the apply graph. The plan
	// builder successfully handles targeting resources. In the future,
	// outputs should go into the diff so that this is unnecessary.
	Targets []addrs.Targetable

	// ForceReplace are the resource instance addresses that the user
	// requested to force replacement for when creating the plan, if any.
	// The apply step refers to these as part of verifying that the planned
	// actions remain consistent between plan and apply.
	ForceReplace []addrs.AbsResourceInstance

	// Validate will do structural validation of the graph.
	Validate bool
}

type AttachDependenciesTransformer struct {
}

type AttachResourceConfigTransformer struct {
	Config *configs.Config // Config is the root node in the config tree
}

type AttachSchemaTransformer struct {
	Schemas *Schemas
	Config  *configs.Config
}

type AttachStateTransformer struct {
	State *states.State // State is the root state
}

type BasicGraphBuilder struct {
	Steps    []GraphTransformer
	Validate bool
	// Optional name to add to the graph debug log
	Name string
}

type BuiltinEvalContext struct {
	// StopContext is the context used to track whether we're complete
	StopContext context.Context

	// PathValue is the Path that this context is operating within.
	PathValue addrs.ModuleInstance

	// Evaluator is used for evaluating expressions within the scope of this
	// eval context.
	Evaluator *Evaluator

	// Schemas is a repository of all of the schemas we should need to
	// decode configuration blocks and expressions. This must be constructed by
	// the caller to include schemas for all of the providers, resource types,
	// data sources and provisioners used by the given configuration and
	// state.
	//
	// This must not be mutated during evaluation.
	Schemas *Schemas

	// VariableValues contains the variable values across all modules. This
	// structure is shared across the entire containing context, and so it
	// may be accessed only when holding VariableValuesLock.
	// The keys of the first level of VariableValues are the string
	// representations of addrs.ModuleInstance values. The second-level keys
	// are variable names within each module instance.
	VariableValues     map[string]map[string]cty.Value
	VariableValuesLock *sync.Mutex

	Components            contextComponentFactory
	Hooks                 []Hook
	InputValue            UIInput
	ProviderCache         map[string]providers.Interface
	ProviderInputConfig   map[string]map[string]cty.Value
	ProviderLock          *sync.Mutex
	ProvisionerCache      map[string]provisioners.Interface
	ProvisionerLock       *sync.Mutex
	ChangesValue          *plans.ChangesSync
	StateValue            *states.SyncState
	RefreshStateValue     *states.SyncState
	PrevRunStateValue     *states.SyncState
	InstanceExpanderValue *instances.Expander
	// contains filtered or unexported fields
}

type CBDEdgeTransformer struct {
	// Module and State are only needed to look up dependencies in
	// any way possible. Either can be nil if not availabile.
	Config *configs.Config
	State  *states.State

	// If configuration is present then Schemas is required in order to
	// obtain schema information from providers and provisioners so we can
	// properly resolve implicit dependencies.
	Schemas *Schemas
}

type CallbackUIOutput struct {
	OutputFn func(string)
}

type CloseProviderTransformer struct{}

type CloseRootModuleTransformer struct{}

type ConcreteModuleNodeFunc func(n *nodeExpandModule) dag.Vertex

type ConcreteProviderNodeFunc func(*NodeAbstractProvider) dag.Vertex

type ConcreteResourceInstanceDeposedNodeFunc func(*NodeAbstractResourceInstance, states.DeposedKey) dag.Vertex

type ConcreteResourceInstanceNodeFunc func(*NodeAbstractResourceInstance) dag.Vertex

type ConcreteResourceNodeFunc func(*NodeAbstractResource) dag.Vertex

type ConfigTransformer struct {
	Concrete ConcreteResourceNodeFunc

	// Module is the module to add resources from.
	Config *configs.Config

	// Mode will only add resources that match the given mode
	ModeFilter bool
	Mode       addrs.ResourceMode
}

type Context struct {
	// contains filtered or unexported fields
}

type ContextGraphOpts struct {
	// If true, validates the graph structure (checks for cycles).
	Validate bool

	// Legacy graphs only: won't prune the graph
	Verbose bool
}

type ContextGraphWalker struct {
	NullGraphWalker

	// Configurable values
	Context            *Context
	State              *states.SyncState   // Used for safe concurrent access to state
	RefreshState       *states.SyncState   // Used for safe concurrent access to state
	PrevRunState       *states.SyncState   // Used for safe concurrent access to state
	Changes            *plans.ChangesSync  // Used for safe concurrent writes to changes
	InstanceExpander   *instances.Expander // Tracks our gradual expansion of module and resource instances
	Operation          walkOperation
	StopContext        context.Context
	RootVariableValues InputValues

	// This is an output. Do not set this, nor read it while a graph walk
	// is in progress.
	NonFatalDiagnostics tfdiags.Diagnostics
	// contains filtered or unexported fields
}

type ContextMeta struct {
	Env string // Env is the state environment

	// OriginalWorkingDir is the working directory where the Terraform CLI
	// was run from, which may no longer actually be the current working
	// directory if the user included the -chdir=... option.
	//
	// If this string is empty then the original working directory is the same
	// as the current working directory.
	//
	// In most cases we should respect the user's override by ignoring this
	// path and just using the current working directory, but this is here
	// for some exceptional cases where the original working directory is
	// needed.
	OriginalWorkingDir string
}

type ContextOpts struct {
	Config       *configs.Config
	Changes      *plans.Changes
	State        *states.State
	Targets      []addrs.Targetable
	ForceReplace []addrs.AbsResourceInstance
	Variables    InputValues
	Meta         *ContextMeta
	PlanMode     plans.Mode
	SkipRefresh  bool

	Hooks        []Hook
	Parallelism  int
	Providers    map[addrs.Provider]providers.Factory
	Provisioners map[string]provisioners.Factory

	// If non-nil, will apply as additional constraints on the provider
	// plugins that will be requested from the provider resolver.
	ProviderSHA256s map[string][]byte

	// If non-nil, will be verified to ensure that provider requirements from
	// configuration can be satisfied by the set of locked dependencies.
	LockedDependencies *depsfile.Locks

	// Set of providers to exclude from the requirements check process, as they
	// are marked as in local development.
	ProvidersInDevelopment map[addrs.Provider]struct{}

	UIInput UIInput
}

type CountBoundaryTransformer struct {
	Config *configs.Config
}

type DestroyEdgeTransformer struct {
	// These are needed to properly build the graph of dependencies
	// to determine what a destroy node depends on. Any of these can be nil.
	Config *configs.Config
	State  *states.State

	// If configuration is present then Schemas is required in order to
	// obtain schema information from providers and provisioners in order
	// to properly resolve implicit dependencies.
	Schemas *Schemas
}

type DestroyPlanGraphBuilder struct {
	// Config is the configuration tree to build the plan from.
	Config *configs.Config

	// State is the current state
	State *states.State

	// Components is a factory for the plug-in components (providers and
	// provisioners) available for use.
	Components contextComponentFactory

	// Schemas is the repository of schemas we will draw from to analyse
	// the configuration.
	Schemas *Schemas

	// Targets are resources to target
	Targets []addrs.Targetable

	// Validate will do structural validation of the graph.
	Validate bool
	// contains filtered or unexported fields
}

type DiffTransformer struct {
	Concrete ConcreteResourceInstanceNodeFunc
	State    *states.State
	Changes  *plans.Changes
}

type EvalContext interface {
	// Stopped returns a channel that is closed when evaluation is stopped
	// via Terraform.Context.Stop()
	Stopped() <-chan struct{}

	// Path is the current module path.
	Path() addrs.ModuleInstance

	// Hook is used to call hook methods. The callback is called for each
	// hook and should return the hook action to take and the error.
	Hook(func(Hook) (HookAction, error)) error

	// Input is the UIInput object for interacting with the UI.
	Input() UIInput

	// InitProvider initializes the provider with the given address, and returns
	// the implementation of the resource provider or an error.
	//
	// It is an error to initialize the same provider more than once. This
	// method will panic if the module instance address of the given provider
	// configuration does not match the Path() of the EvalContext.
	InitProvider(addr addrs.AbsProviderConfig) (providers.Interface, error)

	// Provider gets the provider instance with the given address (already
	// initialized) or returns nil if the provider isn't initialized.
	//
	// This method expects an _absolute_ provider configuration address, since
	// resources in one module are able to use providers from other modules.
	// InitProvider must've been called on the EvalContext of the module
	// that owns the given provider before calling this method.
	Provider(addrs.AbsProviderConfig) providers.Interface

	// ProviderSchema retrieves the schema for a particular provider, which
	// must have already been initialized with InitProvider.
	//
	// This method expects an _absolute_ provider configuration address, since
	// resources in one module are able to use providers from other modules.
	ProviderSchema(addrs.AbsProviderConfig) *ProviderSchema

	// CloseProvider closes provider connections that aren't needed anymore.
	//
	// This method will panic if the module instance address of the given
	// provider configuration does not match the Path() of the EvalContext.
	CloseProvider(addrs.AbsProviderConfig) error

	// ConfigureProvider configures the provider with the given
	// configuration. This is a separate context call because this call
	// is used to store the provider configuration for inheritance lookups
	// with ParentProviderConfig().
	//
	// This method will panic if the module instance address of the given
	// provider configuration does not match the Path() of the EvalContext.
	ConfigureProvider(addrs.AbsProviderConfig, cty.Value) tfdiags.Diagnostics

	// ProviderInput and SetProviderInput are used to configure providers
	// from user input.
	//
	// These methods will panic if the module instance address of the given
	// provider configuration does not match the Path() of the EvalContext.
	ProviderInput(addrs.AbsProviderConfig) map[string]cty.Value
	SetProviderInput(addrs.AbsProviderConfig, map[string]cty.Value)

	// Provisioner gets the provisioner instance with the given name.
	Provisioner(string) (provisioners.Interface, error)

	// ProvisionerSchema retrieves the main configuration schema for a
	// particular provisioner, which must have already been initialized with
	// InitProvisioner.
	ProvisionerSchema(string) *configschema.Block

	// CloseProvisioner closes all provisioner plugins.
	CloseProvisioners() error

	// EvaluateBlock takes the given raw configuration block and associated
	// schema and evaluates it to produce a value of an object type that
	// conforms to the implied type of the schema.
	//
	// The "self" argument is optional. If given, it is the referenceable
	// address that the name "self" should behave as an alias for when
	// evaluating. Set this to nil if the "self" object should not be available.
	//
	// The "key" argument is also optional. If given, it is the instance key
	// of the current object within the multi-instance container it belongs
	// to. For example, on a resource block with "count" set this should be
	// set to a different addrs.IntKey for each instance created from that
	// block. Set this to addrs.NoKey if not appropriate.
	//
	// The returned body is an expanded version of the given body, with any
	// "dynamic" blocks replaced with zero or more static blocks. This can be
	// used to extract correct source location information about attributes of
	// the returned object value.
	EvaluateBlock(body hcl.Body, schema *configschema.Block, self addrs.Referenceable, keyData InstanceKeyEvalData) (cty.Value, hcl.Body, tfdiags.Diagnostics)

	// EvaluateExpr takes the given HCL expression and evaluates it to produce
	// a value.
	//
	// The "self" argument is optional. If given, it is the referenceable
	// address that the name "self" should behave as an alias for when
	// evaluating. Set this to nil if the "self" object should not be available.
	EvaluateExpr(expr hcl.Expression, wantType cty.Type, self addrs.Referenceable) (cty.Value, tfdiags.Diagnostics)

	// EvaluationScope returns a scope that can be used to evaluate reference
	// addresses in this context.
	EvaluationScope(self addrs.Referenceable, keyData InstanceKeyEvalData) *lang.Scope

	// SetModuleCallArguments defines values for the variables of a particular
	// child module call.
	//
	// Calling this function multiple times has merging behavior, keeping any
	// previously-set keys that are not present in the new map.
	SetModuleCallArguments(addrs.ModuleCallInstance, map[string]cty.Value)

	// GetVariableValue returns the value provided for the input variable with
	// the given address, or cty.DynamicVal if the variable hasn't been assigned
	// a value yet.
	//
	// Most callers should deal with variable values only indirectly via
	// EvaluationScope and the other expression evaluation functions, but
	// this is provided because variables tend to be evaluated outside of
	// the context of the module they belong to and so we sometimes need to
	// override the normal expression evaluation behavior.
	GetVariableValue(addr addrs.AbsInputVariableInstance) cty.Value

	// Changes returns the writer object that can be used to write new proposed
	// changes into the global changes set.
	Changes() *plans.ChangesSync

	// State returns a wrapper object that provides safe concurrent access to
	// the global state.
	State() *states.SyncState

	// RefreshState returns a wrapper object that provides safe concurrent
	// access to the state used to store the most recently refreshed resource
	// values.
	RefreshState() *states.SyncState

	// PrevRunState returns a wrapper object that provides safe concurrent
	// access to the state which represents the result of the previous run,
	// updated only so that object data conforms to current schemas for
	// meaningful comparison with RefreshState.
	PrevRunState() *states.SyncState

	// InstanceExpander returns a helper object for tracking the expansion of
	// graph nodes during the plan phase in response to "count" and "for_each"
	// arguments.
	//
	// The InstanceExpander is a global object that is shared across all of the
	// EvalContext objects for a given configuration.
	InstanceExpander() *instances.Expander

	// WithPath returns a copy of the context with the internal path set to the
	// path argument.
	WithPath(path addrs.ModuleInstance) EvalContext
}

type EvalGraphBuilder struct {
	// Config is the configuration tree.
	Config *configs.Config

	// State is the current state
	State *states.State

	// Components is a factory for the plug-in components (providers and
	// provisioners) available for use.
	Components contextComponentFactory

	// Schemas is the repository of schemas we will draw from to analyse
	// the configuration.
	Schemas *Schemas
}

type Evaluator struct {
	// Operation defines what type of operation this evaluator is being used
	// for.
	Operation walkOperation

	// Meta is contextual metadata about the current operation.
	Meta *ContextMeta

	// Config is the root node in the configuration tree.
	Config *configs.Config

	// VariableValues is a map from variable names to their associated values,
	// within the module indicated by ModulePath. VariableValues is modified
	// concurrently, and so it must be accessed only while holding
	// VariableValuesLock.
	//
	// The first map level is string representations of addr.ModuleInstance
	// values, while the second level is variable names.
	VariableValues     map[string]map[string]cty.Value
	VariableValuesLock *sync.Mutex

	// Schemas is a repository of all of the schemas we should need to
	// evaluate expressions. This must be constructed by the caller to
	// include schemas for all of the providers, resource types, data sources
	// and provisioners used by the given configuration and state.
	//
	// This must not be mutated during evaluation.
	Schemas *Schemas

	// State is the current state, embedded in a wrapper that ensures that
	// it can be safely accessed and modified concurrently.
	State *states.SyncState

	// Changes is the set of proposed changes, embedded in a wrapper that
	// ensures they can be safely accessed and modified concurrently.
	Changes *plans.ChangesSync
}

type ForcedCBDTransformer struct {
}

type Graph struct {
	// Graph is the actual DAG. This is embedded so you can call the DAG
	// methods directly.
	dag.AcyclicGraph

	// Path is the path in the module tree that this Graph represents.
	Path addrs.ModuleInstance
}

type GraphBuilder interface {
	// Build builds the graph for the given module path. It is up to
	// the interface implementation whether this build should expand
	// the graph or not.
	Build(addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics)
}

type GraphNodeAttachDependencies interface {
	GraphNodeConfigResource
	AttachDependencies([]addrs.ConfigResource)
}

type GraphNodeAttachProvider interface {
	// ProviderName with no module prefix. Example: "aws".
	ProviderAddr() addrs.AbsProviderConfig

	// Sets the configuration
	AttachProvider(*configs.Provider)
}

type GraphNodeAttachProviderConfigSchema interface {
	GraphNodeProvider

	AttachProviderConfigSchema(*configschema.Block)
}

type GraphNodeAttachProviderMetaConfigs interface {
	GraphNodeConfigResource

	// Sets the configuration
	AttachProviderMetaConfigs(map[addrs.Provider]*configs.ProviderMeta)
}

type GraphNodeAttachProvisionerSchema interface {
	ProvisionedBy() []string

	// SetProvisionerSchema is called during transform for each provisioner
	// type returned from ProvisionedBy, providing the configuration schema
	// for each provisioner in turn. The implementer should save these for
	// later use in evaluating provisioner configuration blocks.
	AttachProvisionerSchema(name string, schema *configschema.Block)
}

type GraphNodeAttachResourceConfig interface {
	GraphNodeConfigResource

	// Sets the configuration
	AttachResourceConfig(*configs.Resource)
}

type GraphNodeAttachResourceSchema interface {
	GraphNodeConfigResource
	GraphNodeProviderConsumer

	AttachResourceSchema(schema *configschema.Block, version uint64)
}

type GraphNodeAttachResourceState interface {
	GraphNodeResourceInstance

	// Sets the state
	AttachResourceState(*states.Resource)
}

type GraphNodeCloseProvider interface {
	GraphNodeModulePath
	CloseProviderAddr() addrs.AbsProviderConfig
}

type GraphNodeConfigResource interface {
	ResourceAddr() addrs.ConfigResource
}

type GraphNodeCreator interface {
	// CreateAddr is the address of the resource being created or updated
	CreateAddr() *addrs.AbsResourceInstance
}

type GraphNodeDeposedResourceInstanceObject interface {
	DeposedInstanceObjectKey() states.DeposedKey
}

type GraphNodeDeposer interface {
	// SetPreallocatedDeposedKey will be called during graph construction
	// if a particular node must use a pre-allocated deposed key if/when it
	// "deposes" the current object of its associated resource instance.
	SetPreallocatedDeposedKey(key states.DeposedKey)
}

type GraphNodeDestroyer interface {
	dag.Vertex

	// DestroyAddr is the address of the resource that is being
	// destroyed by this node. If this returns nil, then this node
	// is not destroying anything.
	DestroyAddr() *addrs.AbsResourceInstance
}

type GraphNodeDestroyerCBD interface {
	// CreateBeforeDestroy returns true if this node represents a node
	// that is doing a CBD.
	CreateBeforeDestroy() bool

	// ModifyCreateBeforeDestroy is called when the CBD state of a node
	// is changed dynamically. This can return an error if this isn't
	// allowed.
	ModifyCreateBeforeDestroy(bool) error
}

type GraphNodeDynamicExpandable interface {
	DynamicExpand(EvalContext) (*Graph, error)
}

type GraphNodeExecutable interface {
	Execute(EvalContext, walkOperation) tfdiags.Diagnostics
}

type GraphNodeModuleInstance interface {
	Path() addrs.ModuleInstance
}

type GraphNodeModulePath interface {
	ModulePath() addrs.Module
}

type GraphNodeProvider interface {
	GraphNodeModulePath
	ProviderAddr() addrs.AbsProviderConfig
	Name() string
}

type GraphNodeProviderConsumer interface {
	GraphNodeModulePath
	// ProvidedBy returns the address of the provider configuration the node
	// refers to, if available. The following value types may be returned:
	//
	//   nil + exact true: the node does not require a provider
	// * addrs.LocalProviderConfig: the provider was set in the resource config
	// * addrs.AbsProviderConfig + exact true: the provider configuration was
	//   taken from the instance state.
	// * addrs.AbsProviderConfig + exact false: no config or state; the returned
	//   value is a default provider configuration address for the resource's
	//   Provider
	ProvidedBy() (addr addrs.ProviderConfig, exact bool)

	// Provider() returns the Provider FQN for the node.
	Provider() (provider addrs.Provider)

	// Set the resolved provider address for this resource.
	SetProvider(addrs.AbsProviderConfig)
}

type GraphNodeProvisionerConsumer interface {
	ProvisionedBy() []string
}

type GraphNodeReferenceOutside interface {
	// ReferenceOutside returns a path in which any references from this node
	// are resolved.
	ReferenceOutside() (selfPath, referencePath addrs.Module)
}

type GraphNodeReferenceable interface {
	GraphNodeModulePath

	// ReferenceableAddrs returns a list of addresses through which this can be
	// referenced.
	ReferenceableAddrs() []addrs.Referenceable
}

type GraphNodeReferencer interface {
	GraphNodeModulePath

	// References returns a list of references made by this node, which
	// include both a referenced address and source location information for
	// the reference.
	References() []*addrs.Reference
}

type GraphNodeResourceInstance interface {
	ResourceInstanceAddr() addrs.AbsResourceInstance

	// StateDependencies returns any inter-resource dependencies that are
	// stored in the state.
	StateDependencies() []addrs.ConfigResource
}

type GraphNodeTargetable interface {
	SetTargets([]addrs.Targetable)
}

type GraphTransformer interface {
	Transform(*Graph) error
}

type GraphType byte

type GraphVertexTransformer interface {
	Transform(dag.Vertex) (dag.Vertex, error)
}

type GraphWalker interface {
	EvalContext() EvalContext
	EnterPath(addrs.ModuleInstance) EvalContext
	ExitPath(addrs.ModuleInstance)
	Execute(EvalContext, GraphNodeExecutable) tfdiags.Diagnostics
}

type Hook interface {
	// PreApply and PostApply are called before and after an action for a
	// single instance is applied. The error argument in PostApply is the
	// error, if any, that was returned from the provider Apply call itself.
	PreApply(addr addrs.AbsResourceInstance, gen states.Generation, action plans.Action, priorState, plannedNewState cty.Value) (HookAction, error)
	PostApply(addr addrs.AbsResourceInstance, gen states.Generation, newState cty.Value, err error) (HookAction, error)

	// PreDiff and PostDiff are called before and after a provider is given
	// the opportunity to customize the proposed new state to produce the
	// planned new state.
	PreDiff(addr addrs.AbsResourceInstance, gen states.Generation, priorState, proposedNewState cty.Value) (HookAction, error)
	PostDiff(addr addrs.AbsResourceInstance, gen states.Generation, action plans.Action, priorState, plannedNewState cty.Value) (HookAction, error)

	// The provisioning hooks signal both the overall start end end of
	// provisioning for a particular instance and of each of the individual
	// configured provisioners for each instance. The sequence of these
	// for a given instance might look something like this:
	//
	//          PreProvisionInstance(aws_instance.foo[1], ...)
	//      PreProvisionInstanceStep(aws_instance.foo[1], "file")
	//     PostProvisionInstanceStep(aws_instance.foo[1], "file", nil)
	//      PreProvisionInstanceStep(aws_instance.foo[1], "remote-exec")
	//               ProvisionOutput(aws_instance.foo[1], "remote-exec", "Installing foo...")
	//               ProvisionOutput(aws_instance.foo[1], "remote-exec", "Configuring bar...")
	//     PostProvisionInstanceStep(aws_instance.foo[1], "remote-exec", nil)
	//         PostProvisionInstance(aws_instance.foo[1], ...)
	//
	// ProvisionOutput is called with output sent back by the provisioners.
	// This will be called multiple times as output comes in, with each call
	// representing one line of output. It cannot control whether the
	// provisioner continues running.
	PreProvisionInstance(addr addrs.AbsResourceInstance, state cty.Value) (HookAction, error)
	PostProvisionInstance(addr addrs.AbsResourceInstance, state cty.Value) (HookAction, error)
	PreProvisionInstanceStep(addr addrs.AbsResourceInstance, typeName string) (HookAction, error)
	PostProvisionInstanceStep(addr addrs.AbsResourceInstance, typeName string, err error) (HookAction, error)
	ProvisionOutput(addr addrs.AbsResourceInstance, typeName string, line string)

	// PreRefresh and PostRefresh are called before and after a single
	// resource state is refreshed, respectively.
	PreRefresh(addr addrs.AbsResourceInstance, gen states.Generation, priorState cty.Value) (HookAction, error)
	PostRefresh(addr addrs.AbsResourceInstance, gen states.Generation, priorState cty.Value, newState cty.Value) (HookAction, error)

	// PreImportState and PostImportState are called before and after
	// (respectively) each state import operation for a given resource address.
	PreImportState(addr addrs.AbsResourceInstance, importID string) (HookAction, error)
	PostImportState(addr addrs.AbsResourceInstance, imported []providers.ImportedResource) (HookAction, error)

	// PostStateUpdate is called each time the state is updated. It receives
	// a deep copy of the state, which it may therefore access freely without
	// any need for locks to protect from concurrent writes from the caller.
	PostStateUpdate(new *states.State) (HookAction, error)
}

type HookAction byte

type ImportGraphBuilder struct {
	// ImportTargets are the list of resources to import.
	ImportTargets []*ImportTarget

	// Module is a configuration to build the graph from. See ImportOpts.Config.
	Config *configs.Config

	// Components is the factory for our available plugin components.
	Components contextComponentFactory

	// Schemas is the repository of schemas we will draw from to analyse
	// the configuration.
	Schemas *Schemas
}

type ImportOpts struct {
	// Targets are the targets to import
	Targets []*ImportTarget
}

type ImportStateTransformer struct {
	Targets []*ImportTarget
	Config  *configs.Config
}

type ImportTarget struct {
	// Addr is the address for the resource instance that the new object should
	// be imported into.
	Addr addrs.AbsResourceInstance

	// ID is the ID of the resource to import. This is resource-specific.
	ID string

	// ProviderAddr is the address of the provider that should handle the import.
	ProviderAddr addrs.AbsProviderConfig
}

type InputMode byte

type InputOpts struct {
	// Id is a unique ID for the question being asked that might be
	// used for logging or to look up a prior answered question.
	Id string

	// Query is a human-friendly question for inputting this value.
	Query string

	// Description is a description about what this option is. Be wary
	// that this will probably be in a terminal so split lines as you see
	// necessary.
	Description string

	// Default will be the value returned if no data is entered.
	Default string

	// Secret should be true if we are asking for sensitive input.
	// If attached to a TTY, Terraform will disable echo.
	Secret bool
}

type InputValue struct {
	Value      cty.Value
	SourceType ValueSourceType

	// SourceRange provides source location information for values whose
	// SourceType is either ValueFromConfig or ValueFromFile. It is not
	// populated for other source types, and so should not be used.
	SourceRange tfdiags.SourceRange
}

type InputValues map[string]*InputValue

type InstanceKeyEvalData = instances.RepetitionData

type LocalTransformer struct {
	Config *configs.Config
}

type MissingProviderTransformer struct {
	// Providers is the list of providers we support.
	Providers []string

	// MissingProviderTransformer needs the config to rule out _implied_ default providers
	Config *configs.Config

	// Concrete, if set, overrides how the providers are made.
	Concrete ConcreteProviderNodeFunc
}

type MockEvalContext struct {
	StoppedCalled bool
	StoppedValue  <-chan struct{}

	HookCalled bool
	HookHook   Hook
	HookError  error

	InputCalled bool
	InputInput  UIInput

	InitProviderCalled   bool
	InitProviderType     string
	InitProviderAddr     addrs.AbsProviderConfig
	InitProviderProvider providers.Interface
	InitProviderError    error

	ProviderCalled   bool
	ProviderAddr     addrs.AbsProviderConfig
	ProviderProvider providers.Interface

	ProviderSchemaCalled bool
	ProviderSchemaAddr   addrs.AbsProviderConfig
	ProviderSchemaSchema *ProviderSchema

	CloseProviderCalled   bool
	CloseProviderAddr     addrs.AbsProviderConfig
	CloseProviderProvider providers.Interface

	ProviderInputCalled bool
	ProviderInputAddr   addrs.AbsProviderConfig
	ProviderInputValues map[string]cty.Value

	SetProviderInputCalled bool
	SetProviderInputAddr   addrs.AbsProviderConfig
	SetProviderInputValues map[string]cty.Value

	ConfigureProviderFn func(
		addr addrs.AbsProviderConfig,
		cfg cty.Value) tfdiags.Diagnostics // overrides the other values below, if set
	ConfigureProviderCalled bool
	ConfigureProviderAddr   addrs.AbsProviderConfig
	ConfigureProviderConfig cty.Value
	ConfigureProviderDiags  tfdiags.Diagnostics

	ProvisionerCalled      bool
	ProvisionerName        string
	ProvisionerProvisioner provisioners.Interface

	ProvisionerSchemaCalled bool
	ProvisionerSchemaName   string
	ProvisionerSchemaSchema *configschema.Block

	CloseProvisionersCalled bool

	EvaluateBlockCalled     bool
	EvaluateBlockBody       hcl.Body
	EvaluateBlockSchema     *configschema.Block
	EvaluateBlockSelf       addrs.Referenceable
	EvaluateBlockKeyData    InstanceKeyEvalData
	EvaluateBlockResultFunc func(
		body hcl.Body,
		schema *configschema.Block,
		self addrs.Referenceable,
		keyData InstanceKeyEvalData,
	) (cty.Value, hcl.Body, tfdiags.Diagnostics) // overrides the other values below, if set
	EvaluateBlockResult       cty.Value
	EvaluateBlockExpandedBody hcl.Body
	EvaluateBlockDiags        tfdiags.Diagnostics

	EvaluateExprCalled     bool
	EvaluateExprExpr       hcl.Expression
	EvaluateExprWantType   cty.Type
	EvaluateExprSelf       addrs.Referenceable
	EvaluateExprResultFunc func(
		expr hcl.Expression,
		wantType cty.Type,
		self addrs.Referenceable,
	) (cty.Value, tfdiags.Diagnostics) // overrides the other values below, if set
	EvaluateExprResult cty.Value
	EvaluateExprDiags  tfdiags.Diagnostics

	EvaluationScopeCalled  bool
	EvaluationScopeSelf    addrs.Referenceable
	EvaluationScopeKeyData InstanceKeyEvalData
	EvaluationScopeScope   *lang.Scope

	PathCalled bool
	PathPath   addrs.ModuleInstance

	SetModuleCallArgumentsCalled bool
	SetModuleCallArgumentsModule addrs.ModuleCallInstance
	SetModuleCallArgumentsValues map[string]cty.Value

	GetVariableValueCalled bool
	GetVariableValueAddr   addrs.AbsInputVariableInstance
	GetVariableValueValue  cty.Value

	ChangesCalled  bool
	ChangesChanges *plans.ChangesSync

	StateCalled bool
	StateState  *states.SyncState

	RefreshStateCalled bool
	RefreshStateState  *states.SyncState

	PrevRunStateCalled bool
	PrevRunStateState  *states.SyncState

	InstanceExpanderCalled   bool
	InstanceExpanderExpander *instances.Expander
}

type MockHook struct {
	sync.Mutex

	PreApplyCalled       bool
	PreApplyAddr         addrs.AbsResourceInstance
	PreApplyGen          states.Generation
	PreApplyAction       plans.Action
	PreApplyPriorState   cty.Value
	PreApplyPlannedState cty.Value
	PreApplyReturn       HookAction
	PreApplyError        error

	PostApplyCalled      bool
	PostApplyAddr        addrs.AbsResourceInstance
	PostApplyGen         states.Generation
	PostApplyNewState    cty.Value
	PostApplyError       error
	PostApplyReturn      HookAction
	PostApplyReturnError error
	PostApplyFn          func(addrs.AbsResourceInstance, states.Generation, cty.Value, error) (HookAction, error)

	PreDiffCalled        bool
	PreDiffAddr          addrs.AbsResourceInstance
	PreDiffGen           states.Generation
	PreDiffPriorState    cty.Value
	PreDiffProposedState cty.Value
	PreDiffReturn        HookAction
	PreDiffError         error

	PostDiffCalled       bool
	PostDiffAddr         addrs.AbsResourceInstance
	PostDiffGen          states.Generation
	PostDiffAction       plans.Action
	PostDiffPriorState   cty.Value
	PostDiffPlannedState cty.Value
	PostDiffReturn       HookAction
	PostDiffError        error

	PreProvisionInstanceCalled bool
	PreProvisionInstanceAddr   addrs.AbsResourceInstance
	PreProvisionInstanceState  cty.Value
	PreProvisionInstanceReturn HookAction
	PreProvisionInstanceError  error

	PostProvisionInstanceCalled bool
	PostProvisionInstanceAddr   addrs.AbsResourceInstance
	PostProvisionInstanceState  cty.Value
	PostProvisionInstanceReturn HookAction
	PostProvisionInstanceError  error

	PreProvisionInstanceStepCalled          bool
	PreProvisionInstanceStepAddr            addrs.AbsResourceInstance
	PreProvisionInstanceStepProvisionerType string
	PreProvisionInstanceStepReturn          HookAction
	PreProvisionInstanceStepError           error

	PostProvisionInstanceStepCalled          bool
	PostProvisionInstanceStepAddr            addrs.AbsResourceInstance
	PostProvisionInstanceStepProvisionerType string
	PostProvisionInstanceStepErrorArg        error
	PostProvisionInstanceStepReturn          HookAction
	PostProvisionInstanceStepError           error

	ProvisionOutputCalled          bool
	ProvisionOutputAddr            addrs.AbsResourceInstance
	ProvisionOutputProvisionerType string
	ProvisionOutputMessage         string

	PreRefreshCalled     bool
	PreRefreshAddr       addrs.AbsResourceInstance
	PreRefreshGen        states.Generation
	PreRefreshPriorState cty.Value
	PreRefreshReturn     HookAction
	PreRefreshError      error

	PostRefreshCalled     bool
	PostRefreshAddr       addrs.AbsResourceInstance
	PostRefreshGen        states.Generation
	PostRefreshPriorState cty.Value
	PostRefreshNewState   cty.Value
	PostRefreshReturn     HookAction
	PostRefreshError      error

	PreImportStateCalled bool
	PreImportStateAddr   addrs.AbsResourceInstance
	PreImportStateID     string
	PreImportStateReturn HookAction
	PreImportStateError  error

	PostImportStateCalled    bool
	PostImportStateAddr      addrs.AbsResourceInstance
	PostImportStateNewStates []providers.ImportedResource
	PostImportStateReturn    HookAction
	PostImportStateError     error

	PostStateUpdateCalled bool
	PostStateUpdateState  *states.State
	PostStateUpdateReturn HookAction
	PostStateUpdateError  error
}

type MockProvider struct {
	sync.Mutex

	// Anything you want, in case you need to store extra data with the mock.
	Meta interface{}

	GetProviderSchemaCalled   bool
	GetProviderSchemaResponse *providers.GetProviderSchemaResponse

	ValidateProviderConfigCalled   bool
	ValidateProviderConfigResponse *providers.ValidateProviderConfigResponse
	ValidateProviderConfigRequest  providers.ValidateProviderConfigRequest
	ValidateProviderConfigFn       func(providers.ValidateProviderConfigRequest) providers.ValidateProviderConfigResponse

	ValidateResourceConfigCalled   bool
	ValidateResourceConfigTypeName string
	ValidateResourceConfigResponse *providers.ValidateResourceConfigResponse
	ValidateResourceConfigRequest  providers.ValidateResourceConfigRequest
	ValidateResourceConfigFn       func(providers.ValidateResourceConfigRequest) providers.ValidateResourceConfigResponse

	ValidateDataResourceConfigCalled   bool
	ValidateDataResourceConfigTypeName string
	ValidateDataResourceConfigResponse *providers.ValidateDataResourceConfigResponse
	ValidateDataResourceConfigRequest  providers.ValidateDataResourceConfigRequest
	ValidateDataResourceConfigFn       func(providers.ValidateDataResourceConfigRequest) providers.ValidateDataResourceConfigResponse

	UpgradeResourceStateCalled   bool
	UpgradeResourceStateTypeName string
	UpgradeResourceStateResponse *providers.UpgradeResourceStateResponse
	UpgradeResourceStateRequest  providers.UpgradeResourceStateRequest
	UpgradeResourceStateFn       func(providers.UpgradeResourceStateRequest) providers.UpgradeResourceStateResponse

	ConfigureProviderCalled   bool
	ConfigureProviderResponse *providers.ConfigureProviderResponse
	ConfigureProviderRequest  providers.ConfigureProviderRequest
	ConfigureProviderFn       func(providers.ConfigureProviderRequest) providers.ConfigureProviderResponse

	StopCalled   bool
	StopFn       func() error
	StopResponse error

	ReadResourceCalled   bool
	ReadResourceResponse *providers.ReadResourceResponse
	ReadResourceRequest  providers.ReadResourceRequest
	ReadResourceFn       func(providers.ReadResourceRequest) providers.ReadResourceResponse

	PlanResourceChangeCalled   bool
	PlanResourceChangeResponse *providers.PlanResourceChangeResponse
	PlanResourceChangeRequest  providers.PlanResourceChangeRequest
	PlanResourceChangeFn       func(providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse

	ApplyResourceChangeCalled   bool
	ApplyResourceChangeResponse *providers.ApplyResourceChangeResponse
	ApplyResourceChangeRequest  providers.ApplyResourceChangeRequest
	ApplyResourceChangeFn       func(providers.ApplyResourceChangeRequest) providers.ApplyResourceChangeResponse

	ImportResourceStateCalled   bool
	ImportResourceStateResponse *providers.ImportResourceStateResponse
	ImportResourceStateRequest  providers.ImportResourceStateRequest
	ImportResourceStateFn       func(providers.ImportResourceStateRequest) providers.ImportResourceStateResponse

	ReadDataSourceCalled   bool
	ReadDataSourceResponse *providers.ReadDataSourceResponse
	ReadDataSourceRequest  providers.ReadDataSourceRequest
	ReadDataSourceFn       func(providers.ReadDataSourceRequest) providers.ReadDataSourceResponse

	CloseCalled bool
	CloseError  error
}

type MockProvisioner struct {
	sync.Mutex
	// Anything you want, in case you need to store extra data with the mock.
	Meta interface{}

	GetSchemaCalled   bool
	GetSchemaResponse provisioners.GetSchemaResponse

	ValidateProvisionerConfigCalled   bool
	ValidateProvisionerConfigRequest  provisioners.ValidateProvisionerConfigRequest
	ValidateProvisionerConfigResponse provisioners.ValidateProvisionerConfigResponse
	ValidateProvisionerConfigFn       func(provisioners.ValidateProvisionerConfigRequest) provisioners.ValidateProvisionerConfigResponse

	ProvisionResourceCalled   bool
	ProvisionResourceRequest  provisioners.ProvisionResourceRequest
	ProvisionResourceResponse provisioners.ProvisionResourceResponse
	ProvisionResourceFn       func(provisioners.ProvisionResourceRequest) provisioners.ProvisionResourceResponse

	StopCalled   bool
	StopResponse error
	StopFn       func() error

	CloseCalled   bool
	CloseResponse error
	CloseFn       func() error
}

type MockUIInput struct {
	InputCalled       bool
	InputOpts         *InputOpts
	InputReturnMap    map[string]string
	InputReturnString string
	InputReturnError  error
	InputFn           func(*InputOpts) (string, error)
}

type MockUIOutput struct {
	sync.Mutex
	OutputCalled  bool
	OutputMessage string
	OutputFn      func(string)
}

type ModuleExpansionTransformer struct {
	Config *configs.Config

	// Concrete allows injection of a wrapped module node by the graph builder
	// to alter the evaluation behavior.
	Concrete ConcreteModuleNodeFunc
	// contains filtered or unexported fields
}

type ModuleVariableTransformer struct {
	Config *configs.Config
}

type NilHook struct{}

type NodeAbstractProvider struct {
	Addr addrs.AbsProviderConfig

	Config *configs.Provider
	Schema *configschema.Block
}

type NodeAbstractResource struct {
	Addr addrs.ConfigResource

	Schema        *configschema.Block // Schema for processing the configuration body
	SchemaVersion uint64              // Schema version of "Schema", as decided by the provider
	Config        *configs.Resource   // Config is the resource in the config

	// ProviderMetas is the provider_meta configs for the module this resource belongs to
	ProviderMetas map[addrs.Provider]*configs.ProviderMeta

	ProvisionerSchemas map[string]*configschema.Block

	// Set from GraphNodeTargetable
	Targets []addrs.Targetable

	// The address of the provider this resource will use
	ResolvedProvider addrs.AbsProviderConfig
	// contains filtered or unexported fields
}

type NodeAbstractResourceInstance struct {
	NodeAbstractResource
	Addr addrs.AbsResourceInstance

	Dependencies []addrs.ConfigResource
	// contains filtered or unexported fields
}

type NodeApplyableOutput struct {
	Addr   addrs.AbsOutputValue
	Config *configs.Output // Config is the output in the config
	// If this is being evaluated during apply, we may have a change recorded already
	Change *plans.OutputChangeSrc
}

type NodeApplyableProvider struct {
	*NodeAbstractProvider
}

type NodeApplyableResource struct {
	*NodeAbstractResource

	Addr addrs.AbsResource
}

type NodeApplyableResourceInstance struct {
	*NodeAbstractResourceInstance

	// If this node is forced to be CreateBeforeDestroy, we need to record that
	// in the state to.
	ForceCreateBeforeDestroy bool
	// contains filtered or unexported fields
}

type NodeCountBoundary struct {
	Config *configs.Config
}

type NodeDestroyDeposedResourceInstanceObject struct {
	*NodeAbstractResourceInstance
	DeposedKey states.DeposedKey
}

type NodeDestroyResourceInstance struct {
	*NodeAbstractResourceInstance

	// If DeposedKey is set to anything other than states.NotDeposed then
	// this node destroys a deposed object of the associated instance
	// rather than its current object.
	DeposedKey states.DeposedKey
}

type NodeDestroyableDataResourceInstance struct {
	*NodeAbstractResourceInstance
}

type NodeDestroyableOutput struct {
	Addr   addrs.AbsOutputValue
	Config *configs.Output // Config is the output in the config
}

type NodeEvalableProvider struct {
	*NodeAbstractProvider
}

type NodeLocal struct {
	Addr   addrs.AbsLocalValue
	Config *configs.Local
}

type NodePlanDeposedResourceInstanceObject struct {
	*NodeAbstractResourceInstance
	DeposedKey states.DeposedKey
}

type NodePlanDestroyableResourceInstance struct {
	*NodeAbstractResourceInstance
	// contains filtered or unexported fields
}

type NodePlannableResource struct {
	*NodeAbstractResource

	Addr addrs.AbsResource

	// ForceCreateBeforeDestroy might be set via our GraphNodeDestroyerCBD
	// during graph construction, if dependencies require us to force this
	// on regardless of what the configuration says.
	ForceCreateBeforeDestroy *bool
	// contains filtered or unexported fields
}