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* Updating the license from MPL to Business Source License Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at https://hashi.co/bsl-blog, FAQ at https://hashi.co/license-faq, and details of the license at www.hashicorp.com/bsl. * Update copyright file headers to BUSL-1.1 --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
35 lines
838 B
Go
35 lines
838 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package function
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import (
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"os"
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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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)
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// EnvFunc constructs a function that returns a string representation of the
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// env var behind a value
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var EnvFunc = function.New(&function.Spec{
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Params: []function.Parameter{
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{
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Name: "key",
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Type: cty.String,
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AllowNull: false,
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AllowUnknown: false,
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},
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},
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Type: function.StaticReturnType(cty.String),
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Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
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key := args[0].AsString()
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value := os.Getenv(key)
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return cty.StringVal(value), nil
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},
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})
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// Env returns a string representation of the env var behind key.
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func Env(key cty.Value) (cty.Value, error) {
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return EnvFunc.Call([]cty.Value{key})
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}
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