98 lines
3.0 KiB
Go
98 lines
3.0 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/tfdiags"
|
|
)
|
|
|
|
// ImportGraphBuilder implements GraphBuilder and is responsible for building
|
|
// a graph for importing resources into Terraform. This is a much, much
|
|
// simpler graph than a normal configuration graph.
|
|
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
|
|
|
|
// Plugins is a library of plug-in components (providers and
|
|
// provisioners) available for use.
|
|
Plugins *contextPlugins
|
|
}
|
|
|
|
// Build builds the graph according to the steps returned by Steps.
|
|
func (b *ImportGraphBuilder) Build(path addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics) {
|
|
return (&BasicGraphBuilder{
|
|
Steps: b.Steps(),
|
|
Validate: true,
|
|
Name: "ImportGraphBuilder",
|
|
}).Build(path)
|
|
}
|
|
|
|
// Steps returns the ordered list of GraphTransformers that must be executed
|
|
// to build a complete graph.
|
|
func (b *ImportGraphBuilder) Steps() []GraphTransformer {
|
|
// Get the module. If we don't have one, we just use an empty tree
|
|
// so that the transform still works but does nothing.
|
|
config := b.Config
|
|
if config == nil {
|
|
config = configs.NewEmptyConfig()
|
|
}
|
|
|
|
// Custom factory for creating providers.
|
|
concreteProvider := func(a *NodeAbstractProvider) dag.Vertex {
|
|
return &NodeApplyableProvider{
|
|
NodeAbstractProvider: a,
|
|
}
|
|
}
|
|
|
|
steps := []GraphTransformer{
|
|
// Create all our resources from the configuration and state
|
|
&ConfigTransformer{Config: config},
|
|
|
|
// Add dynamic values
|
|
&RootVariableTransformer{Config: b.Config},
|
|
&ModuleVariableTransformer{Config: b.Config},
|
|
&LocalTransformer{Config: b.Config},
|
|
&OutputTransformer{Config: b.Config},
|
|
|
|
// Attach the configuration to any resources
|
|
&AttachResourceConfigTransformer{Config: b.Config},
|
|
|
|
// Add the import steps
|
|
&ImportStateTransformer{Targets: b.ImportTargets, Config: b.Config},
|
|
|
|
transformProviders(concreteProvider, config),
|
|
|
|
// Must attach schemas before ReferenceTransformer so that we can
|
|
// analyze the configuration to find references.
|
|
&AttachSchemaTransformer{Plugins: b.Plugins, Config: b.Config},
|
|
|
|
// Create expansion nodes for all of the module calls. This must
|
|
// come after all other transformers that create nodes representing
|
|
// objects that can belong to modules.
|
|
&ModuleExpansionTransformer{Config: b.Config},
|
|
|
|
// Connect so that the references are ready for targeting. We'll
|
|
// have to connect again later for providers and so on.
|
|
&ReferenceTransformer{},
|
|
|
|
// Make sure data sources are aware of any depends_on from the
|
|
// configuration
|
|
&attachDataResourceDependsOnTransformer{},
|
|
|
|
// Close opened plugin connections
|
|
&CloseProviderTransformer{},
|
|
|
|
// Close root module
|
|
&CloseRootModuleTransformer{},
|
|
|
|
// Optimize
|
|
&TransitiveReductionTransformer{},
|
|
}
|
|
|
|
return steps
|
|
}
|