Do not update go.mod during packaging and testing (elastic#19823)

(cherry picked from commit f91c96f)
kvch · Jul 13, 2020 · a423b1f · a423b1f
1 parent 569e289
commit a423b1f
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diff --git a/dev-tools/mage/crossbuild.go b/dev-tools/mage/crossbuild.go
@@ -263,6 +263,7 @@ func (b GolangCrossBuilder) Build() error {
 
 	args = append(args,
 		"--rm",
+		"--env", "GOFLAGS=-mod=readonly",
 		"--env", "MAGEFILE_VERBOSE="+verbose,
 		"--env", "MAGEFILE_TIMEOUT="+EnvOr("MAGEFILE_TIMEOUT", ""),
 		"--env", fmt.Sprintf("SNAPSHOT=%v", Snapshot),

diff --git a/dev-tools/mage/fields.go b/dev-tools/mage/fields.go
@@ -102,6 +102,7 @@ func generateFieldsYAML(baseDir, output string, moduleDirs ...string) error {
 	}
 
 	cmd := []string{"run",
+		"-mod=readonly",
 		filepath.Join(beatsDir, globalFieldsCmdPath),
 		"-es_beats_path", beatsDir,
 		"-beat_path", baseDir,
@@ -127,6 +128,7 @@ func GenerateFieldsGo(fieldsYML, out string) error {
 	}
 
 	cmd := []string{"run",
+		"-mod=readonly",
 		filepath.Join(beatsDir, assetCmdPath),
 		"-pkg", "include",
 		"-in", fieldsYML,

diff --git a/dev-tools/mage/integtest.go b/dev-tools/mage/integtest.go
@@ -236,6 +236,7 @@ func initRunner(tester IntegrationTester, dir string, passInEnv map[string]strin
 	// Create the custom env for the runner.
 	env := map[string]string{
 		insideIntegrationTestEnvVar: "true",
+		"GOFLAGS":                   "-mod=vendor",
 	}
 	for name, value := range passInEnv {
 		env[name] = value