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a3403f2766
Due to how often the state and plan types are referenced throughout Terraform, there isn't a great way to switch them out gradually. As a consequence, this huge commit gets us from the old world to a _compilable_ new world, but still has a large number of known test failures due to key functionality being stubbed out. The stubs here are for anything that interacts with providers, since we now need to do the follow-up work to similarly replace the old terraform.ResourceProvider interface with its replacement in the new "providers" package. That work, along with work to fix the remaining failing tests, will follow in subsequent commits. The aim here was to replace all references to terraform.State and its downstream types with states.State, terraform.Plan with plans.Plan, state.State with statemgr.State, and switch to the new implementations of the state and plan file formats. However, due to the number of times those types are used, this also ended up affecting numerous other parts of core such as terraform.Hook, the backend.Backend interface, and most of the CLI commands. Just as with 5861dbf3fc49b19587a31816eb06f511ab861bb4 before, I apologize in advance to the person who inevitably just found this huge commit while spelunking through the commit history.
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
package terraform
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import (
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/configs"
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"github.com/hashicorp/terraform/dag"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/tfdiags"
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)
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// DestroyPlanGraphBuilder implements GraphBuilder and is responsible for
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// planning a pure-destroy.
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//
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// Planning a pure destroy operation is simple because we can ignore most
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// ordering configuration and simply reverse the state.
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type DestroyPlanGraphBuilder struct {
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// Config is the configuration tree to build the plan from.
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Config *configs.Config
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// State is the current state
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State *states.State
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// Components is a factory for the plug-in components (providers and
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// provisioners) available for use.
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Components contextComponentFactory
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// Schemas is the repository of schemas we will draw from to analyse
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// the configuration.
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Schemas *Schemas
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// Targets are resources to target
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Targets []addrs.Targetable
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// Validate will do structural validation of the graph.
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Validate bool
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// ConcreteProvider, if set, gets an opportunity to specialize an
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// abstract provider node.
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ConcreteProvider ConcreteProviderNodeFunc
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}
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// See GraphBuilder
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func (b *DestroyPlanGraphBuilder) Build(path addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics) {
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return (&BasicGraphBuilder{
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Steps: b.Steps(),
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Validate: b.Validate,
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Name: "DestroyPlanGraphBuilder",
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}).Build(path)
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}
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// See GraphBuilder
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func (b *DestroyPlanGraphBuilder) Steps() []GraphTransformer {
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concreteResourceInstance := func(a *NodeAbstractResourceInstance) dag.Vertex {
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return &NodePlanDestroyableResourceInstance{
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NodeAbstractResourceInstance: a,
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}
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}
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steps := []GraphTransformer{
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// Creates nodes for the resource instances tracked in the state.
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&StateTransformer{
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Concrete: concreteResourceInstance,
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State: b.State,
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},
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// Attach the configuration to any resources
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&AttachResourceConfigTransformer{Config: b.Config},
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TransformProviders(b.Components.ResourceProviders(), b.ConcreteProvider, b.Config),
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// Destruction ordering. We require this only so that
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// targeting below will prune the correct things.
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&DestroyEdgeTransformer{
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Config: b.Config,
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State: b.State,
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Schemas: b.Schemas,
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},
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// Target. Note we don't set "Destroy: true" here since we already
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// created proper destroy ordering.
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&TargetsTransformer{Targets: b.Targets},
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// Single root
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&RootTransformer{},
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}
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return steps
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}
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