Files
terraform-docs/internal/format/tfvars_hcl.go
Khosrow Moossavi 3cc4f4416f Fix issues reported by golangci-lint
Signed-off-by: Khosrow Moossavi <khos2ow@gmail.com>
2021-03-16 17:33:10 -04:00

96 lines
2.2 KiB
Go

/*
Copyright 2021 The terraform-docs Authors.
Licensed under the MIT license (the "License"); you may not
use this file except in compliance with the License.
You may obtain a copy of the License at the LICENSE file in
the root directory of this source tree.
*/
package format
import (
_ "embed" //nolint
"fmt"
"reflect"
"strings"
gotemplate "text/template"
"github.com/terraform-docs/terraform-docs/internal/print"
"github.com/terraform-docs/terraform-docs/internal/template"
"github.com/terraform-docs/terraform-docs/internal/terraform"
)
//go:embed templates/tfvars_hcl.tmpl
var tfvarsHCLTpl []byte
// TfvarsHCL represents Terraform tfvars HCL format.
type TfvarsHCL struct {
template *template.Template
}
var padding []int
// NewTfvarsHCL returns new instance of TfvarsHCL.
func NewTfvarsHCL(settings *print.Settings) print.Engine {
tt := template.New(settings, &template.Item{
Name: "tfvars",
Text: string(tfvarsHCLTpl),
})
tt.CustomFunc(gotemplate.FuncMap{
"align": func(s string, i int) string {
return fmt.Sprintf("%-*s", padding[i], s)
},
"value": func(s string) string {
if s == "" || s == "null" {
return "\"\""
}
return s
},
})
return &TfvarsHCL{
template: tt,
}
}
// Print a Terraform module as Terraform tfvars HCL.
func (h *TfvarsHCL) Print(module *terraform.Module, settings *print.Settings) (string, error) {
alignments(module.Inputs)
rendered, err := h.template.Render(module)
if err != nil {
return "", err
}
return strings.TrimSuffix(sanitize(rendered), "\n"), nil
}
func alignments(inputs []*terraform.Input) {
padding = make([]int, len(inputs))
maxlen := 0
index := 0
for i, input := range inputs {
isList := input.Type == "list" || reflect.TypeOf(input.Default).Name() == "List"
isMap := input.Type == "map" || reflect.TypeOf(input.Default).Name() == "Map"
l := len(input.Name)
if (isList || isMap) && input.Default.Length() > 0 {
for j := index; j < i; j++ {
padding[j] = maxlen
}
padding[i] = l
maxlen = 0
index = i + 1
} else if l > maxlen {
maxlen = l
}
}
for i := index; i < len(inputs); i++ {
padding[i] = maxlen
}
}
func init() {
register(map[string]initializerFn{
"tfvars hcl": NewTfvarsHCL,
})
}