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3a30bfe845
We stash the locals in the module state in a map that is ignored for JSON serialization. We don't include locals in the persisted state because they can be trivially recomputed and this allows us to assume that they will pass through verbatim, without any normalization or other transforms caused by the JSON serialization. From a user standpoint a local is just a named alias for an expression, so it's desirable that the result passes through here in as raw a form as possible, so it behaves as closely as possible to simply using the given expression directly.
81 lines
1.5 KiB
Go
81 lines
1.5 KiB
Go
package terraform
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/terraform/config"
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)
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// NodeLocal represents a named local value in a particular module.
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//
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// Local value nodes only have one operation, common to all walk types:
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// evaluate the result and place it in state.
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type NodeLocal struct {
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PathValue []string
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Config *config.Local
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}
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func (n *NodeLocal) Name() string {
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result := fmt.Sprintf("local.%s", n.Config.Name)
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if len(n.PathValue) > 1 {
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result = fmt.Sprintf("%s.%s", modulePrefixStr(n.PathValue), result)
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}
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return result
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}
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// GraphNodeSubPath
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func (n *NodeLocal) Path() []string {
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return n.PathValue
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}
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// RemovableIfNotTargeted
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func (n *NodeLocal) RemoveIfNotTargeted() bool {
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return true
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}
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// GraphNodeReferenceable
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func (n *NodeLocal) ReferenceableName() []string {
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name := fmt.Sprintf("local.%s", n.Config.Name)
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return []string{name}
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}
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// GraphNodeReferencer
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func (n *NodeLocal) References() []string {
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var result []string
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result = append(result, ReferencesFromConfig(n.Config.RawConfig)...)
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for _, v := range result {
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split := strings.Split(v, "/")
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for i, s := range split {
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split[i] = s + ".destroy"
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}
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result = append(result, strings.Join(split, "/"))
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}
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return result
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}
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// GraphNodeEvalable
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func (n *NodeLocal) EvalTree() EvalNode {
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return &EvalOpFilter{
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Ops: []walkOperation{
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walkInput,
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walkValidate,
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walkRefresh,
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walkPlan,
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walkApply,
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walkDestroy,
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},
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Node: &EvalSequence{
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Nodes: []EvalNode{
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&EvalLocal{
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Name: n.Config.Name,
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Value: n.Config.RawConfig,
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},
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},
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},
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}
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}
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