Use Go embed for normalizations.yaml data (elastic#104)

* Use Go embed for normalizations.yaml data

* No need for project symlink in GOPATH with go modules

* Add editorconfig

.editorconfig

@@ -0,0 +1,12 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.go]
+indent_style = tab
+indent_size = 4

CHANGELOG.md

@@ -15,6 +15,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 
 - Update syscall, arches, and audit msg type tables for Linux 5.16. [#96](https://github.com/elastic/go-libaudit/pull/96)
+- Go 1.16 or newer is required because the project uses the embed package. [#104](https://github.com/elastic/go-libaudit/pull/104)
 - Fixed error messages from `AddRule()` in the audit client. [#103](https://github.com/elastic/go-libaudit/pull/103)
 
 ### Removed

Vagrantfile

@@ -2,11 +2,9 @@
 GO_VERSION = File.read(File.join(File.dirname(__FILE__), ".go-version")).strip
 
 create_symlink = <<SCRIPT
-echo 'Creating github.com/elastic in the GOPATH'
-mkdir -p ~/go/src/github.com/elastic
-echo 'Symlinking /vagrant to ~/go/src/github.com/elastic'
-cd ~/go/src/github.com/elastic
-if [ -d "/vagrant" ]  && [ ! -e "go-libaudit" ]; then ln -s /vagrant go-libaudit; fi
+echo "Creating go-libaudit symlink in $HOME"
+cd $HOME
+if [ -d "/vagrant" ] && [ ! -e "go-libaudit" ]; then ln -s /vagrant go-libaudit; fi
 SCRIPT
 
 install_gvm = <<SCRIPT

aucoalesce/normalize.go

@@ -18,26 +18,24 @@
 package aucoalesce
 
 import (
+	_ "embed"
 	"fmt"
 	"strings"
 
 	"gopkg.in/yaml.v2"
 )
 
-//go:generate sh -c "go run mknormalize_data.go normalizationData normalizations.yaml > znormalize_data.go"
-
 var (
+	//go:embed normalizations.yaml
+	normalizationDataYAML []byte
+
 	syscallNorms    map[string]*Normalization
 	recordTypeNorms map[string][]*Normalization
 )
 
 func init() {
-	data, err := asset("normalizationData")
-	if err != nil {
-		panic("normalizationData not found in assets")
-	}
-
-	syscallNorms, recordTypeNorms, err = LoadNormalizationConfig(data)
+	var err error
+	syscallNorms, recordTypeNorms, err = LoadNormalizationConfig(normalizationDataYAML)
 	if err != nil {
 		panic(fmt.Errorf("failed to parse built in normalization mappings: %w", err))
 	}

go.mod

@@ -1,6 +1,6 @@
 module github.com/elastic/go-libaudit/v2
 
-go 1.14
+go 1.16
 
 require (
 	github.com/davecgh/go-spew v1.1.0 // indirect