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GraphNodeModulePath is similar to GraphNodeSubPath, except that it returns an addrs.Module rather than an addrs.ModuleInstance. This is used by the ReferenceTransformer to connect references, when modules may not yet be expanded. Because references only exist within the scope of a module, we can connect everything knowing only the module path. If the reference is to an expanded module instance output, we can still properly order the reference because we'll wait for the entire module to complete evaluation.
76 lines
1.7 KiB
Go
76 lines
1.7 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/dag"
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"github.com/hashicorp/terraform/lang"
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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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Addr addrs.AbsLocalValue
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Config *configs.Local
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}
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var (
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_ GraphNodeSubPath = (*NodeLocal)(nil)
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_ RemovableIfNotTargeted = (*NodeLocal)(nil)
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_ GraphNodeReferenceable = (*NodeLocal)(nil)
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_ GraphNodeReferencer = (*NodeLocal)(nil)
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_ GraphNodeEvalable = (*NodeLocal)(nil)
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_ dag.GraphNodeDotter = (*NodeLocal)(nil)
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)
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func (n *NodeLocal) Name() string {
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return n.Addr.String()
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}
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// GraphNodeSubPath
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func (n *NodeLocal) Path() addrs.ModuleInstance {
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return n.Addr.Module
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}
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// GraphNodeModulePath
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func (n *NodeLocal) ModulePath() addrs.Module {
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return n.Addr.Module.Module()
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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) ReferenceableAddrs() []addrs.Referenceable {
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return []addrs.Referenceable{n.Addr.LocalValue}
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}
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// GraphNodeReferencer
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func (n *NodeLocal) References() []*addrs.Reference {
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refs, _ := lang.ReferencesInExpr(n.Config.Expr)
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return appendResourceDestroyReferences(refs)
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}
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// GraphNodeEvalable
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func (n *NodeLocal) EvalTree() EvalNode {
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return &EvalLocal{
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Addr: n.Addr.LocalValue,
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Expr: n.Config.Expr,
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}
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}
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// dag.GraphNodeDotter impl.
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func (n *NodeLocal) DotNode(name string, opts *dag.DotOpts) *dag.DotNode {
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return &dag.DotNode{
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Name: name,
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Attrs: map[string]string{
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"label": n.Name(),
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"shape": "note",
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},
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}
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}
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