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49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package configs
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import (
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"github.com/hashicorp/hcl/v2"
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"github.com/zclconf/go-cty/cty"
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)
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// LoadValuesFile reads the file at the given path and parses it as a "values
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// file", which is an HCL config file whose top-level attributes are treated
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// as arbitrary key.value pairs.
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//
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// If the file cannot be read -- for example, if it does not exist -- then
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// a nil map will be returned along with error diagnostics. Callers may wish
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// to disregard the returned diagnostics in this case and instead generate
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// their own error message(s) with additional context.
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//
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// If the returned diagnostics has errors when a non-nil map is returned
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// then the map may be incomplete but should be valid enough for careful
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// static analysis.
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//
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// This method wraps LoadHCLFile, and so it inherits the syntax selection
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// behaviors documented for that method.
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func (p *Parser) LoadValuesFile(path string) (map[string]cty.Value, hcl.Diagnostics) {
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body, diags := p.LoadHCLFile(path)
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if body == nil {
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return nil, diags
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}
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vals := make(map[string]cty.Value)
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attrs, attrDiags := body.JustAttributes()
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diags = append(diags, attrDiags...)
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if attrs == nil {
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return vals, diags
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}
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for name, attr := range attrs {
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val, valDiags := attr.Expr.Value(nil)
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diags = append(diags, valDiags...)
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vals[name] = val
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}
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return vals, diags
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}
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