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ed1aebbeda
* terraform: large refactor to use Provider from configs.Resource configs.Resource.ImpliedProvider() now returns a string; it is the callers' responsibility to turn that into an addrs.Provider if needed. GraphNodeProviderConsumer ProvidedBy() no longer returns nil (reverting to earlier, pre-provider-fqn behavior): it will return either the provider set in config, provider set in state, or the default provider.
102 lines
3.4 KiB
Go
102 lines
3.4 KiB
Go
package terraform
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import (
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"fmt"
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"log"
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"github.com/hashicorp/terraform/configs"
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"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/dag"
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)
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// GraphNodeAttachResourceSchema is an interface implemented by node types
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// that need a resource schema attached.
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type GraphNodeAttachResourceSchema interface {
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GraphNodeConfigResource
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GraphNodeProviderConsumer
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AttachResourceSchema(schema *configschema.Block, version uint64)
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}
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// GraphNodeAttachProviderConfigSchema is an interface implemented by node types
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// that need a provider configuration schema attached.
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type GraphNodeAttachProviderConfigSchema interface {
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GraphNodeProvider
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AttachProviderConfigSchema(*configschema.Block)
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}
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// GraphNodeAttachProvisionerSchema is an interface implemented by node types
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// that need one or more provisioner schemas attached.
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type GraphNodeAttachProvisionerSchema interface {
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ProvisionedBy() []string
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// SetProvisionerSchema is called during transform for each provisioner
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// type returned from ProvisionedBy, providing the configuration schema
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// for each provisioner in turn. The implementer should save these for
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// later use in evaluating provisioner configuration blocks.
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AttachProvisionerSchema(name string, schema *configschema.Block)
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}
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// AttachSchemaTransformer finds nodes that implement
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// GraphNodeAttachResourceSchema, GraphNodeAttachProviderConfigSchema, or
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// GraphNodeAttachProvisionerSchema, looks up the needed schemas for each
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// and then passes them to a method implemented by the node.
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type AttachSchemaTransformer struct {
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Schemas *Schemas
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Config *configs.Config
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}
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func (t *AttachSchemaTransformer) Transform(g *Graph) error {
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if t.Schemas == nil {
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// Should never happen with a reasonable caller, but we'll return a
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// proper error here anyway so that we'll fail gracefully.
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return fmt.Errorf("AttachSchemaTransformer used with nil Schemas")
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}
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for _, v := range g.Vertices() {
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if tv, ok := v.(GraphNodeAttachResourceSchema); ok {
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addr := tv.ResourceAddr()
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mode := addr.Resource.Mode
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typeName := addr.Resource.Type
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providerFqn := tv.Provider()
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schema, version := t.Schemas.ResourceTypeConfig(providerFqn, mode, typeName)
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if schema == nil {
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log.Printf("[ERROR] AttachSchemaTransformer: No resource schema available for %s", addr)
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continue
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}
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log.Printf("[TRACE] AttachSchemaTransformer: attaching resource schema to %s", dag.VertexName(v))
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tv.AttachResourceSchema(schema, version)
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}
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if tv, ok := v.(GraphNodeAttachProviderConfigSchema); ok {
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providerAddr := tv.ProviderAddr()
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schema := t.Schemas.ProviderConfig(providerAddr.Provider)
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if schema == nil {
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log.Printf("[ERROR] AttachSchemaTransformer: No provider config schema available for %s", providerAddr)
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continue
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}
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log.Printf("[TRACE] AttachSchemaTransformer: attaching provider config schema to %s", dag.VertexName(v))
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tv.AttachProviderConfigSchema(schema)
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}
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if tv, ok := v.(GraphNodeAttachProvisionerSchema); ok {
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names := tv.ProvisionedBy()
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for _, name := range names {
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schema := t.Schemas.ProvisionerConfig(name)
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if schema == nil {
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log.Printf("[ERROR] AttachSchemaTransformer: No schema available for provisioner %q on %q", name, dag.VertexName(v))
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continue
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}
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log.Printf("[TRACE] AttachSchemaTransformer: attaching provisioner %q config schema to %s", name, dag.VertexName(v))
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tv.AttachProvisionerSchema(name, schema)
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}
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}
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}
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return nil
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}
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