Try 001
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5085bd4d69
commit
784b6c59c8
4
Makefile
4
Makefile
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@ -2,12 +2,14 @@ LINT_ARGS ?= ./...
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DESTDIR ?= "/usr/local"
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bin:
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GOOS=linux go build -o bin/templater-linux cmd/templater.go
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GOOS=linux go build -o bin/templater-linux cmd/templater/main.go
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GOOS=linux go build -o bin/bootstraper-linux cmd/bootstraper/main.go
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upx bin/templater-linux
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upx bin/templaster-server
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install:
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cp bin/templater-linux $(DESTDIR)/bin/templater
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cp bin/bootstraper-linux $(DESTDIR)/bin/bootstraper
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uninstall:
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rm $(DESTDIR)/bin/templater
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@ -0,0 +1,88 @@
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"forge.cadoles.com/pcaseiro/templatefile/pkg/templater"
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"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
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"github.com/alexflint/go-arg"
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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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func main() {
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var args struct {
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ConfigDirectory string `arg:"-c,--config-dir,env:CONFIG_DIR" help:"Configuration values directory path" default:"./data/config"`
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TemplateDirectory string `arg:"-t,--template-dir,env:TEMPLATE_DIR" help:"Template directory path" default:"./data/templates"`
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}
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arg.MustParse(&args)
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files, err := ioutil.ReadDir(args.ConfigDirectory)
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if err != nil {
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panic(err)
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}
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for _, file := range files {
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var varsVal cty.Value
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fname := fmt.Sprintf("%s/%s", args.ConfigDirectory, file.Name())
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flContent, err := os.ReadFile(fname)
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if err != nil {
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panic(err)
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}
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ctyType, err := ctyjson.ImpliedType(flContent)
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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: 0, 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(flContent, ctyType)
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utils.CheckErr(err)
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}
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cnfVals := varsVal.AsValueMap()
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config := cnfVals["Config"].AsValueMap()
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fls := config["ConfigFiles"].AsValueSlice()
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for _, fl := range fls {
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data := fl.AsValueMap()
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dest := filepath.Join("/tmp/test", data["destination"].AsString())
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source := filepath.Join(args.TemplateDirectory, data["source"].AsString())
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mod := data["mod"].AsString()
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intMod, err := strconv.Atoi(mod)
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if err != nil {
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panic(err)
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}
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fmt.Printf("Processing %s\n", source)
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fileExtension := filepath.Ext(source)
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if fileExtension == ".hcl" {
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res := templater.ProcessHCLTemplate(source, flContent)
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dirname := filepath.Dir(dest)
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err = os.MkdirAll(dirname, os.FileMode(int(0700)))
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if err != nil {
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panic(err)
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}
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err = os.WriteFile(dest, []byte(res), os.FileMode(intMod))
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if err != nil {
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panic(err)
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}
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}
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}
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}
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}
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@ -1,26 +1,28 @@
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{
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"Name": "loki",
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"ConfigFiles": [
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{
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"destination": "/etc/loki/loki-local-config.yaml",
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"source": "loki-local-config.pktpl.hcl",
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"mod": "600"
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"Config": {
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"ConfigFiles": [
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{
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"destination": "/etc/loki/loki-local-config.yaml",
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"source": "loki-local-config.pktpl.hcl",
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"mod": "600"
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}
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],
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"AuthEnabled": false,
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"User": "loki",
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"Group": "grafana",
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"HTTPPort": "3100",
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"GRPCPort": "9096",
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"AlertManagerURL": "http://localhost:9093",
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"StorageRoot": "/var/loki",
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"SharedStore": "filesystem",
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"ObjectStore": "filesystem",
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"LogLevel": "error",
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"S3": {
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"URL": "",
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"BucketName": "",
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"APIKey": "",
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"APISecretKey": ""
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}
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],
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"AuthEnabled": false,
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"User": "loki",
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"Group": "grafana",
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"HTTPPort": "3100",
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"GRPCPort": "9096",
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"AlertManagerURL": "http://localhost:9093",
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"StorageRoot": "/var/loki",
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"SharedStore": "filesystem",
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"ObjectStore": "filesystem",
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"LogLevel": "error",
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"S3": {
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"URL": "",
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"BucketName": "",
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"APIKey": "",
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"APISecretKey": ""
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}
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}
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@ -0,0 +1,15 @@
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{
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"Name": "toto",
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"Config": {
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"ConfigFiles": [
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{
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"destination": "/etc/hosts",
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"source": "hosts.pktpl.hcl",
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"mod": "600"
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}
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],
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"AuthEnabled": false,
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"User": "toto",
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"Group": "grafana"
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}
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}
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@ -0,0 +1,15 @@
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package configs
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type ConfigFile struct {
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Destination string `form:"destination" json:"destination"`
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Source string `form:"source" json:"source"`
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Mod string `form:"mod" json:"mod"`
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}
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type TemplaterConfig struct {
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Name string `json:"Name"`
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Config struct {
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ConfigFiles []ConfigFile `json:"ConfigFiles"`
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Variables map[string]interface{} `form:"-" json:"-"`
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} `json:"Config"`
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}
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@ -31,7 +31,7 @@ func ProcessGoTemplate(file string, config []byte) string {
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tpl, err := template.New("conf").Parse(string(data))
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utils.CheckErr(err)
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utils.CheckErr(tpl.Execute(&res, confData))
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utils.CheckErr(tpl.Execute(&res, confData["Config"]))
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return res.String()
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}
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@ -63,8 +63,9 @@ func ProcessHCLTemplate(file string, config []byte) string {
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utils.CheckErr(err)
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}
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cnfVals := varsVal.AsValueMap()
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ctx := &hcl.EvalContext{
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Variables: varsVal.AsValueMap(),
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Variables: cnfVals["Config"].AsValueMap(),
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}
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for n := range ctx.Variables {
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