Merge pull request #24 from janritter/feat/more-templating

Feat/more templating

backend/s3/parsercall.go

@@ -13,29 +13,25 @@ func callParserForBackendParameters(in interface{}, out *stateConfig) error {
 	if err != nil {
 		return err
 	}
-	out.Bucket = bucket
+	out.Bucket = helper.GetStringAfterSettingPlaceholderValues(bucket)
 
 	dynamodbTable, _, err := varParser.GetBackendParameterString("state_dynamodb_table", false)
 	if err != nil {
 		return err
 	}
-	out.DynamoDBTable = dynamodbTable
+	out.DynamoDBTable = helper.GetStringAfterSettingPlaceholderValues(dynamodbTable)
 
 	stateKey, _, err := varParser.GetBackendParameterString("state_key", false)
 	if err != nil {
 		return err
 	}
-	err, stateKey = helper.ReplacePlaceholderInStateKey(stateKey)
-	if err != nil {
-		return err
-	}
-	out.Key = stateKey
+	out.Key = helper.GetStringAfterSettingPlaceholderValues(stateKey)
 
 	region, _, err := varParser.GetBackendParameterString("region", false)
 	if err != nil {
 		return err
 	}
-	out.Region = region
+	out.Region = helper.GetStringAfterSettingPlaceholderValues(region)
 
 	return nil
 }

backend/s3/parsercall_test.go

@@ -120,10 +120,6 @@ func TestCallParserForBackendParametersInvalidKey(t *testing.T) {
 	testMap["state_dynamodb_table"] = "test_bucket_table"
 	testMap["state_key"] = "test/terraform.tfstate"
 	testMap["region"] = "eu-central-1"
-
-	err = callParserForBackendParameters(testMap, &stateConfigResult)
-	assert.Error(t, err, "Expected error")
-	assert.Equal(t, errors.New("{{current.dir}} is missing the state_key parameter"), err)
 }
 
 func TestCallParserForBackendParametersMissingRegion(t *testing.T) {

cmd/destroy.go

@@ -0,0 +1,50 @@
+/*
+Copyright © 2020 NAME HERE <EMAIL ADDRESS>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+)
+
+// destroyCmd represents the destroy command
+var destroyCmd = &cobra.Command{
+	Use:   "destroy",
+	Short: "Run terraform destroy through terrastate, also executes terrastate and terraform init",
+	Run: func(cmd *cobra.Command, args []string) {
+		// Terrastate
+		fmt.Printf("Running terrastate \n\n")
+		rootCmd.Run(cmd, args)
+
+		// Terraform init
+		if err := getTerraformExecCmdForSubcommand("init", varFile).Run(); err != nil {
+			color.Red("terraform init returned the following error code: " + err.Error())
+			return
+		}
+
+		// Terraform destroy
+		if err := getTerraformExecCmdForSubcommand("destroy", varFile).Run(); err != nil {
+			color.Red("terraform destroy returned the following error code: " + err.Error())
+			return
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(destroyCmd)
+}

helper/placeholder.go

@@ -0,0 +1,43 @@
+package helper
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/fatih/color"
+)
+
+type placeholder struct {
+	key   string
+	value string
+}
+
+var placeholders = []placeholder{
+	{
+		key:   "current.dir",
+		value: getCurrentDir(),
+	},
+}
+
+func getCurrentDir() string {
+	path, err := os.Getwd()
+	if err != nil {
+		color.Red(err.Error())
+	}
+	return filepath.Base(path)
+}
+
+func GetStringAfterSettingPlaceholderValues(input string) string {
+	output := strings.ReplaceAll(input, " ", "")
+
+	for _, placeholder := range placeholders {
+		if strings.Contains(output, "{{"+placeholder.key+"}}") {
+			fmt.Println("PLACEHOLDER - replacing '{{" + placeholder.key + "}}' in '" + output + "' with '" + placeholder.value + "'")
+		}
+		output = strings.ReplaceAll(output, "{{"+placeholder.key+"}}", placeholder.value)
+	}
+
+	return output
+}