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88b5607a7a
Previously we fetched schemas during the AttachSchemaTransformer, potentially multiple times as that was re-run for each graph built. Now we fetch the schemas just once during context construction, passing that result into each of the graph builders. This only addresses the schema accesses during graph construction. We're still separately loading schemas during the main walk for evaluation purposes. This will be addressed in a later commit.
86 lines
2.3 KiB
Go
86 lines
2.3 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/tfdiags"
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)
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// ImportOpts are used as the configuration for Import.
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type ImportOpts struct {
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// Targets are the targets to import
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Targets []*ImportTarget
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// Config is optional, and specifies a config tree that will be loaded
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// into the graph and evaluated. This is the source for provider
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// configurations.
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Config *configs.Config
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}
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// ImportTarget is a single resource to import.
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type ImportTarget struct {
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// Addr is the address for the resource instance that the new object should
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// be imported into.
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Addr addrs.AbsResourceInstance
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// ID is the ID of the resource to import. This is resource-specific.
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ID string
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// ProviderAddr is the address of the provider that should handle the import.
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ProviderAddr addrs.AbsProviderConfig
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}
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// Import takes already-created external resources and brings them
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// under Terraform management. Import requires the exact type, name, and ID
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// of the resources to import.
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//
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// This operation is idempotent. If the requested resource is already
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// imported, no changes are made to the state.
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//
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// Further, this operation also gracefully handles partial state. If during
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// an import there is a failure, all previously imported resources remain
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// imported.
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func (c *Context) Import(opts *ImportOpts) (*State, tfdiags.Diagnostics) {
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var diags tfdiags.Diagnostics
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// Hold a lock since we can modify our own state here
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defer c.acquireRun("import")()
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// Copy our own state
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c.state = c.state.DeepCopy()
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// If no module is given, default to the module configured with
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// the Context.
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config := opts.Config
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if config == nil {
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config = c.config
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}
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// Initialize our graph builder
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builder := &ImportGraphBuilder{
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ImportTargets: opts.Targets,
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Config: config,
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Components: c.components,
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Schemas: c.schemas,
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}
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// Build the graph!
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graph, graphDiags := builder.Build(addrs.RootModuleInstance)
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diags = diags.Append(graphDiags)
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if graphDiags.HasErrors() {
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return c.state, diags
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}
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// Walk it
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_, walkDiags := c.walk(graph, walkImport)
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diags = diags.Append(walkDiags)
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if walkDiags.HasErrors() {
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return c.state, diags
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}
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// Clean the state
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c.state.prune()
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return c.state, diags
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}
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