mirror of https://github.com/hashicorp/consul
56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package resourcehcl
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import (
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"reflect"
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"github.com/zclconf/go-cty/cty"
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"github.com/zclconf/go-cty/cty/function"
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"github.com/hashicorp/consul/internal/protohcl"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/proto-public/pbresource"
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)
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// Unmarshal the given HCL source into a resource.
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func Unmarshal(src []byte, reg resource.Registry) (*pbresource.Resource, error) {
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return UnmarshalOptions{}.Unmarshal(src, reg)
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}
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type UnmarshalOptions struct{ SourceFileName string }
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// Unmarshal the given HCL source into a resource.
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func (u UnmarshalOptions) Unmarshal(src []byte, reg resource.Registry) (*pbresource.Resource, error) {
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var out pbresource.Resource
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err := (protohcl.UnmarshalOptions{
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SourceFileName: u.SourceFileName,
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AnyTypeProvider: anyProvider{
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base: &protohcl.AnyTypeURLProvider{TypeURLFieldName: "Type"},
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reg: reg,
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},
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FieldNamer: fieldNamer{acroynms: []string{"ID", "TCP", "UDP", "HTTP"}},
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Functions: map[string]function.Function{"gvk": gvk},
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}).Unmarshal(src, &out)
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return &out, err
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}
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var (
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typeType = cty.Capsule("type", reflect.TypeOf(pbresource.Type{}))
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gvk = function.New(&function.Spec{
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Params: []function.Parameter{
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{Name: "GVK String", Type: cty.String},
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},
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Type: function.StaticReturnType(typeType),
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Impl: func(args []cty.Value, _ cty.Type) (cty.Value, error) {
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t, err := resource.ParseGVK(args[0].AsString())
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if err != nil {
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return cty.NilVal, err
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}
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return cty.CapsuleVal(typeType, t), nil
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},
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})
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)
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