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62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
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package terraform
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import (
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"log"
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"github.com/hashicorp/terraform-plugin-sdk/internal/addrs"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/terraform-plugin-sdk/internal/configs/configschema"
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"github.com/zclconf/go-cty/cty"
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)
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// EvalConfigBlock is an EvalNode implementation that takes a raw
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// configuration block and evaluates any expressions within it.
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//
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// ExpandedConfig is populated with the result of expanding any "dynamic"
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// blocks in the given body, which can be useful for extracting correct source
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// location information for specific attributes in the result.
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type EvalConfigBlock struct {
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Config *hcl.Body
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Schema *configschema.Block
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SelfAddr addrs.Referenceable
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Output *cty.Value
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ExpandedConfig *hcl.Body
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ContinueOnErr bool
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}
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func (n *EvalConfigBlock) Eval(ctx EvalContext) (interface{}, error) {
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val, body, diags := ctx.EvaluateBlock(*n.Config, n.Schema, n.SelfAddr, EvalDataForNoInstanceKey)
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if diags.HasErrors() && n.ContinueOnErr {
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log.Printf("[WARN] Block evaluation failed: %s", diags.Err())
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return nil, EvalEarlyExitError{}
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}
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if n.Output != nil {
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*n.Output = val
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}
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if n.ExpandedConfig != nil {
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*n.ExpandedConfig = body
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}
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return nil, diags.ErrWithWarnings()
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}
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// EvalConfigExpr is an EvalNode implementation that takes a raw configuration
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// expression and evaluates it.
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type EvalConfigExpr struct {
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Expr hcl.Expression
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SelfAddr addrs.Referenceable
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Output *cty.Value
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}
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func (n *EvalConfigExpr) Eval(ctx EvalContext) (interface{}, error) {
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val, diags := ctx.EvaluateExpr(n.Expr, cty.DynamicPseudoType, n.SelfAddr)
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if n.Output != nil {
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*n.Output = val
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}
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return nil, diags.ErrWithWarnings()
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}
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