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718c4f1944
* Move AddReference and GetReferences to ResourceWithMetadataImpl * Remove resourceMapProvider from setBaseProperties signature * Remove MergeBaseDependencies * Remove 'base; property from with * Only populate refs if introspection is enabled
87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
package modconfig
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import (
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"fmt"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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"github.com/turbot/go-kit/helpers"
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)
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type ResourceReference struct {
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ResourceWithMetadataImpl
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To string `cty:"reference_to" column:"reference_to,text"`
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From string `cty:"reference_from" column:"reference_from,text"`
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BlockType string `cty:"from_block_type" column:"from_block_type,text"`
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BlockName string `cty:"from_block_name" column:"from_block_name,text"`
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Attribute string `cty:"from_attribute" column:"from_attribute,text"`
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name string
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}
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func NewResourceReference(resource HclResource, block *hcl.Block, referenceString string, blockName string, attr *hclsyntax.Attribute) *ResourceReference {
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ref := &ResourceReference{
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To: referenceString,
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From: resource.GetUnqualifiedName(),
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BlockType: block.Type,
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BlockName: blockName,
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Attribute: attr.Name,
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}
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ref.name = ref.buildName()
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return ref
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}
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func (r *ResourceReference) CloneWithNewFrom(from string) *ResourceReference {
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ref := &ResourceReference{
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ResourceWithMetadataImpl: r.ResourceWithMetadataImpl,
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To: r.To,
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From: from,
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BlockType: r.BlockType,
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BlockName: r.BlockName,
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Attribute: r.Attribute,
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}
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ref.name = ref.buildName()
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// clone metadata so we can mutate it
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ref.ResourceWithMetadataImpl.metadata = ref.ResourceWithMetadataImpl.metadata.Clone()
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// set metadata name
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ref.ResourceWithMetadataImpl.metadata.ResourceName = ref.name
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return ref
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}
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func (r *ResourceReference) buildName() string {
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return helpers.GetMD5Hash(r.String())[:8]
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}
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// ResourceReferenceMap is a map of references keyed by 'ref'
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// This is to handle the same reference being made more than once by a resource
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// for example the reference var.v1 might be referenced several times
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type ResourceReferenceMap map[string][]*ResourceReference
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func (m ResourceReferenceMap) Add(reference *ResourceReference) {
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refs, ok := m[reference.To]
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if !ok {
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// if no ref instances, create an empty array
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refs = []*ResourceReference{}
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}
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// write back the updated array
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m[reference.To] = append(refs, reference)
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}
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func (r *ResourceReference) String() string {
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return fmt.Sprintf("To: %s\nFrom: %s\nBlockType: %s\nBlockName: %s\nAttribute: %s",
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r.To,
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r.From,
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r.BlockType,
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r.BlockName,
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r.Attribute)
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}
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func (r *ResourceReference) Equals(other *ResourceReference) bool {
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return r.String() == other.String()
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}
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// Name implements ResourceWithMetadata
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// the name must start with the 'resource type' as we parse it and use just the 'name' segment
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func (r *ResourceReference) Name() string {
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return fmt.Sprintf("ref.%s", r.name)
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}
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