fix(template): fix go txt/template support
We can parse go text/template again.
This commit is contained in:
parent
66d290c298
commit
54ef86c46e
54
main.go
54
main.go
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@ -1,15 +1,14 @@
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package main
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import (
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encjson "encoding/json"
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"fmt"
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"os"
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"encoding/json"
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"text/template"
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//"github.com/hashicorp/hcl2/gohcl"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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//"github.com/zclconf/go-cty/cty"
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//"github.com/zclconf/go-cty/cty/gocty"
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"github.com/zclconf/go-cty/cty"
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ctyjson "github.com/zclconf/go-cty/cty/json"
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)
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@ -19,40 +18,58 @@ func checkErr(e error) {
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}
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}
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func checkDiags(diag hcl.Diagnostics) {
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if diag.HasErrors() {
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panic(diag.Error())
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}
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}
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func processGoTemplate(file string, config []byte) {
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// The JSON configuration
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var confData map[string]interface{}
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err := json.Unmarshal(config, &confData)
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err := encjson.Unmarshal(config, &confData)
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checkErr(err)
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// Read the template
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data, err := os.ReadFile(file)
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checkErr(err)
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tpl, err := template.New("conf").Parse(string(data))
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checkErr(err)
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checkErr(tpl.Execute(os.Stdout,config))
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checkErr(tpl.Execute(os.Stdout, confData))
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}
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func processHCLTemplate(file string, config []byte) {
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fct, err:= os.ReadFile(file)
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fct, err := os.ReadFile(file)
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checkErr(err)
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expr, diags := hclsyntax.ParseTemplate(fct, file, hcl.Pos{Line:1, Column: 1})
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if diags.HasErrors() {
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panic(diags.Error())
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expr, diags := hclsyntax.ParseTemplate(fct, file, hcl.Pos{Line: 1, Column: 1})
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checkDiags(diags)
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// Retrieve values from JSON
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var varsVal cty.Value
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ctyType, err := ctyjson.ImpliedType(config)
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if err != nil {
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panic(err)
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/* Maybe one day
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cexpr, diags := hclsyntax.ParseExpression(config, "", hcl.Pos{Line: 1, Column: 1})
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if diags.HasErrors() {
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panic(diags.Error())
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}
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varsVal, diags = cexpr.Value(&hcl.EvalContext{})
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fmt.Println(cexpr.Variables())
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checkDiags(diags)
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*/
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} else {
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varsVal, err = ctyjson.Unmarshal(config, ctyType)
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checkErr(err)
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}
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ctyType, err := ctyjson.ImpliedType(config)
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checkErr(err)
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varsVal, err := ctyjson.Unmarshal(config,ctyType)
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checkErr(err)
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fmt.Println(varsVal.AsValueMap())
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ctx := &hcl.EvalContext{
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Variables: varsVal.AsValueMap(),
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}
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@ -75,7 +92,7 @@ func processHCLTemplate(file string, config []byte) {
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panic(diags.Error())
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}
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fmt.Printf("%s",val.AsString())
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fmt.Printf("%s", val.AsString())
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}
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func main() {
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@ -84,7 +101,6 @@ func main() {
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templateFile := os.Args[2]
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config := []byte(os.Args[3])
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if templateType == "go" {
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processGoTemplate(templateFile, config)
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} else if templateType == "hcl" {
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@ -92,4 +108,4 @@ func main() {
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} else {
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panic(fmt.Errorf("Unsupported template type"))
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}
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}
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}
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