Create var.prefix in sandbox, copy all files for setup

tools/create_e2e_sandbox.sh

@@ -38,7 +38,7 @@ mkdir -p "${DEST}" "${INFRA}"
 ln -sfT "${DIR}" "${DEST}/fabric"
 
 SETUP_MODULE="${DIR}/tests/examples_e2e/setup_module"
-cp "${SETUP_MODULE}/main.tf" "${SETUP_MODULE}/variables.tf" "${SETUP_MODULE}/e2e_tests.tfvars.tftpl" "${INFRA}"
+cp "${SETUP_MODULE}"/* "${INFRA}"
 
 cp "${DIR}/tests/examples/variables.tf" "${DEST}"
 
@@ -54,6 +54,7 @@ export | sed -e 's/^declare -x //' | grep '^TFTEST_E2E_' | sed -e 's/^TFTEST_E2E
 	terraform init
 	terraform apply -auto-approve
 	ln -sfT "${INFRA}/e2e_tests.tfvars" "${DEST}/e2e_tests.auto.tfvars"
+	echo "prefix=$(grep timestamp "${INFRA}/randomizer.auto.tfvars" | cut -d '=' -f2)" >"${DEST}/prefix.auto.tfvars"
 )
 
 touch "${DEST}/main.tf"