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f8c7b639c9
This switches to the Go "context" package for cancellation and threads the context through all the way to evaluation to allow behavior based on stopping deep within graph execution. This also adds the Stop API to provisioners so they can quickly exit when stop is called.
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
package terraform
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import (
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"github.com/hashicorp/terraform/config/module"
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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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// Module is optional, and specifies a config module that is loaded
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// into the graph and evaluated. The use case for this is to provide
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// provider configuration.
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Module *module.Tree
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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 full resource address of the resource to import.
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// Example: "module.foo.aws_instance.bar"
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Addr string
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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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// Provider string
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Provider string
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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, error) {
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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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module := opts.Module
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if module == nil {
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module = c.module
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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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Module: module,
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Providers: c.components.ResourceProviders(),
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}
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// Build the graph!
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graph, err := builder.Build(RootModulePath)
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if err != nil {
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return c.state, err
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}
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// Walk it
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if _, err := c.walk(graph, nil, walkImport); err != nil {
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return c.state, err
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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, nil
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}
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