Remove Lua transformation

assets/test/transformconfig/TestEnginesAndTransformations/configs/transform-mixed-error.hcl

@@ -11,10 +11,3 @@ transform {
     script_path = env.JS_ERROR_PATH
   }
 }
-
-transform {
-  use "lua" {
-    timeout_sec = 15
-    script_path = env.LUA_ADD_HELLO_PATH
-  }
-}

assets/test/transformconfig/TestEnginesAndTransformations/configs/transform-mixed.hcl

@@ -9,9 +9,3 @@ transform {
     script_path = env.JS_ALTER_AID_2_PATH
   }
 }
-
-transform {
-  use "lua" {
-    script_path = env.LUA_ADD_HELLO_PATH
-  }
-}

docs/configuration_transformations_docs_test.go

@@ -65,18 +65,12 @@ func TestScriptTransformationCustomScripts(t *testing.T) {
 	// Set env vars with paths to scripts
 	t.Setenv("JS_SCRIPT_PATH", jsScriptPath)
 
-	luaScriptPath := filepath.Join(assets.AssetsRootDir, "docs", "configuration", "transformations", "custom-scripts", "create-a-script-filter-example.lua")
-	t.Setenv("LUA_SCRIPT_PATH", luaScriptPath)
-
 	jsNonSnowplowScriptPath := filepath.Join(assets.AssetsRootDir, "docs", "configuration", "transformations", "custom-scripts", "examples", "js-non-snowplow-script-example.js")
 	t.Setenv("JS_NON_SNOWPLOW_SCRIPT_PATH", jsNonSnowplowScriptPath)
 
 	jsSnowplowScriptPath := filepath.Join(assets.AssetsRootDir, "docs", "configuration", "transformations", "custom-scripts", "examples", "js-snowplow-script-example.js")
 	t.Setenv("JS_SNOWPLOW_SCRIPT_PATH", jsSnowplowScriptPath)
 
-	luaNonSnowplowScriptPath := filepath.Join(assets.AssetsRootDir, "docs", "configuration", "transformations", "custom-scripts", "examples", "lua-script-example.lua")
-	t.Setenv("LUA_SCRIPT_EXAMPLE_PATH", luaNonSnowplowScriptPath)
-
 	baseDir := filepath.Join(assets.AssetsRootDir, "docs", "configuration", "transformations", "custom-scripts")
 
 	filesInBaseDir, err := ioutil.ReadDir(baseDir)
@@ -109,9 +103,6 @@ func TestScriptTransformationCustomScripts(t *testing.T) {
 		case ".js":
 			// Test that all of our JS snippets compile with the engine, pass smoke test, and successfully create a transformation function
 			testJSScriptCompiles(t, file)
-		case ".lua":
-			// Test that all of our Lua snippets compile with the engine, pass smoke test, and successfully create a transformation function
-			testLuaScriptCompiles(t, file)
 		case ".hcl":
 			isFull := strings.Contains(file, "full-example")
 
@@ -168,8 +159,6 @@ func testTransformationConfig(t *testing.T, filepath string, fullExample bool) {
 			configObject = &transform.GTMSSPreviewConfig{}
 		case "js":
 			configObject = &engine.JSEngineConfig{}
-		case "lua":
-			configObject = &engine.LuaEngineConfig{}
 		default:
 			assert.Fail(fmt.Sprint("Source not recognised: ", use.Name))
 		}
@@ -212,19 +201,3 @@ func testJSScriptCompiles(t *testing.T, scriptPath string) {
 	}
 
 }
-
-func testLuaScriptCompiles(t *testing.T, scriptPath string) {
-	assert := assert.New(t)
-
-	luaConfig := &engine.LuaEngineConfig{
-		ScriptPath: scriptPath,
-		RunTimeout: 5, // This is needed here as we're providing config directly, not using defaults.
-	}
-
-	// LuaConfigFunction validates and smoke tests the function, and only returns valid transformation functions.
-	luaTransformationFunction, err := engine.LuaConfigFunction(luaConfig)
-	assert.NotNil(luaTransformationFunction, scriptPath)
-	if err != nil {
-		t.Fatalf("NewLuaEngine failed with error: %s. Script: %s", err.Error(), string(scriptPath))
-	}
-}

go.mod

@@ -53,10 +53,7 @@ require (
 	github.com/itchyny/gojq v0.12.16
 	github.com/json-iterator/go v1.1.12
 	github.com/snowplow/snowplow-golang-tracker/v2 v2.4.1
-	github.com/yuin/gluamapper v0.0.0-20150323120927-d836955830e7
-	github.com/yuin/gopher-lua v1.1.1
 	github.com/zclconf/go-cty v1.14.4
-	layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf
 )
 
 require (

go.sum

@@ -394,11 +394,7 @@ github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmv
 github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
 github.com/yudai/pp v2.0.1+incompatible/go.mod h1:PuxR/8QJ7cyCkFp/aUDS+JY727OFEZkTdatxwunjIkc=
-github.com/yuin/gluamapper v0.0.0-20150323120927-d836955830e7 h1:noHsffKZsNfU38DwcXWEPldrTjIZ8FPNKx8mYMGnqjs=
-github.com/yuin/gluamapper v0.0.0-20150323120927-d836955830e7/go.mod h1:bbMEM6aU1WDF1ErA5YJ0p91652pGv140gGw4Ww3RGp8=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
-github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
 github.com/zclconf/go-cty v1.14.4 h1:uXXczd9QDGsgu0i/QFR/hzI5NYCHLf6NQw/atrbnhq8=
 github.com/zclconf/go-cty v1.14.4/go.mod h1:VvMs5i0vgZdhYawQNq5kePSpLAoz8u1xvZgrPIxfnZE=
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b h1:FosyBZYxY34Wul7O/MSKey3txpPYyCqVO5ZyceuQJEI=
@@ -578,5 +574,3 @@ gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU=
 gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf h1:rRz0YsF7VXj9fXRF6yQgFI7DzST+hsI3TeFSGupntu0=
-layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf/go.mod h1:ivKkcY8Zxw5ba0jldhZCYYQfGdb2K6u9tbYK1AwMIBc=