120 lines
3.5 KiB
Go
120 lines
3.5 KiB
Go
package terraform
|
|
|
|
import (
|
|
"github.com/hashicorp/terraform/internal/addrs"
|
|
"github.com/hashicorp/terraform/internal/configs"
|
|
"github.com/hashicorp/terraform/internal/dag"
|
|
"github.com/hashicorp/terraform/internal/states"
|
|
"github.com/hashicorp/terraform/internal/tfdiags"
|
|
)
|
|
|
|
// DestroyPlanGraphBuilder implements GraphBuilder and is responsible for
|
|
// planning a pure-destroy.
|
|
//
|
|
// Planning a pure destroy operation is simple because we can ignore most
|
|
// ordering configuration and simply reverse the state. This graph mainly
|
|
// exists for targeting, because we need to walk the destroy dependencies to
|
|
// ensure we plan the required resources. Without the requirement for
|
|
// targeting, the plan could theoretically be created directly from the state.
|
|
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
|
|
|
|
// If set, skipRefresh will cause us stop skip refreshing any existing
|
|
// resource instances as part of our planning. This will cause us to fail
|
|
// to detect if an object has already been deleted outside of Terraform.
|
|
skipRefresh bool
|
|
}
|
|
|
|
// See GraphBuilder
|
|
func (b *DestroyPlanGraphBuilder) Build(path addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics) {
|
|
return (&BasicGraphBuilder{
|
|
Steps: b.Steps(),
|
|
Validate: b.Validate,
|
|
Name: "DestroyPlanGraphBuilder",
|
|
}).Build(path)
|
|
}
|
|
|
|
// See GraphBuilder
|
|
func (b *DestroyPlanGraphBuilder) Steps() []GraphTransformer {
|
|
concreteResourceInstance := func(a *NodeAbstractResourceInstance) dag.Vertex {
|
|
return &NodePlanDestroyableResourceInstance{
|
|
NodeAbstractResourceInstance: a,
|
|
skipRefresh: b.skipRefresh,
|
|
}
|
|
}
|
|
concreteResourceInstanceDeposed := func(a *NodeAbstractResourceInstance, key states.DeposedKey) dag.Vertex {
|
|
return &NodePlanDeposedResourceInstanceObject{
|
|
NodeAbstractResourceInstance: a,
|
|
DeposedKey: key,
|
|
skipRefresh: b.skipRefresh,
|
|
}
|
|
}
|
|
|
|
concreteProvider := func(a *NodeAbstractProvider) dag.Vertex {
|
|
return &NodeApplyableProvider{
|
|
NodeAbstractProvider: a,
|
|
}
|
|
}
|
|
|
|
steps := []GraphTransformer{
|
|
// Creates nodes for the resource instances tracked in the state.
|
|
&StateTransformer{
|
|
ConcreteCurrent: concreteResourceInstance,
|
|
ConcreteDeposed: concreteResourceInstanceDeposed,
|
|
State: b.State,
|
|
},
|
|
|
|
// Create the delete changes for root module outputs.
|
|
&OutputTransformer{
|
|
Config: b.Config,
|
|
Destroy: true,
|
|
},
|
|
|
|
// Attach the state
|
|
&AttachStateTransformer{State: b.State},
|
|
|
|
// Attach the configuration to any resources
|
|
&AttachResourceConfigTransformer{Config: b.Config},
|
|
|
|
TransformProviders(b.Components.ResourceProviders(), concreteProvider, b.Config),
|
|
|
|
// Destruction ordering. We require this only so that
|
|
// targeting below will prune the correct things.
|
|
&DestroyEdgeTransformer{
|
|
Config: b.Config,
|
|
State: b.State,
|
|
Schemas: b.Schemas,
|
|
},
|
|
|
|
&TargetsTransformer{Targets: b.Targets},
|
|
|
|
// Close opened plugin connections
|
|
&CloseProviderTransformer{},
|
|
|
|
// Close the root module
|
|
&CloseRootModuleTransformer{},
|
|
|
|
&TransitiveReductionTransformer{},
|
|
}
|
|
|
|
return steps
|
|
}
|