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/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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 com.android.tests.dsu;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import com.android.tradefed.config.Option;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
import com.android.tradefed.util.FileUtil;
import com.android.tradefed.util.StreamUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
@RunWith(DeviceJUnit4ClassRunner.class)
public class DsuGsiIntegrationTest extends DsuTestBase {
private static final long DSU_MAX_WAIT_SEC = 10 * 60;
private static final long DSU_DEFAULT_USERDATA_SIZE = 8L << 30;
private static final String GSI_IMAGE_NAME = "system.img";
private static final String DSU_IMAGE_ZIP_PUSH_PATH = "/sdcard/gsi.zip";
private static final String REMOUNT_TEST_PATH = "/system/remount_test";
private static final String REMOUNT_TEST_FILE = REMOUNT_TEST_PATH + "/test_file";
@Option(
name = "wipe-dsu-on-failure",
description = "Wipe the DSU installation on test failure.")
private boolean mWipeDsuOnFailure = true;
@Option(
name = "system-image-path",
description = "Path to the GSI system.img or directory containing the system.img.",
mandatory = true)
private File mSystemImagePath;
private File mSystemImageZip;
private String getDsuInstallCommand() {
return String.format(
"am start-activity"
+ " -n com.android.dynsystem/com.android.dynsystem.VerificationActivity"
+ " -a android.os.image.action.START_INSTALL"
+ " -d file://%s"
+ " --el KEY_USERDATA_SIZE %d"
+ " --ez KEY_ENABLE_WHEN_COMPLETED true",
DSU_IMAGE_ZIP_PUSH_PATH, getDsuUserdataSize(DSU_DEFAULT_USERDATA_SIZE));
}
@Before
public void setUp() throws IOException {
mSystemImageZip = null;
InputStream stream = null;
try {
assertNotNull("--system-image-path is invalid", mSystemImagePath);
if (mSystemImagePath.isDirectory()) {
File gsiImageFile = FileUtil.findFile(mSystemImagePath, GSI_IMAGE_NAME);
assertNotNull("Cannot find " + GSI_IMAGE_NAME, gsiImageFile);
stream = new FileInputStream(gsiImageFile);
} else {
stream = new FileInputStream(mSystemImagePath);
}
stream = new BufferedInputStream(stream);
mSystemImageZip = FileUtil.createTempFile(this.getClass().getSimpleName(), "gsi.zip");
try (FileOutputStream foStream = new FileOutputStream(mSystemImageZip);
BufferedOutputStream boStream = new BufferedOutputStream(foStream);
ZipOutputStream out = new ZipOutputStream(boStream); ) {
// Don't bother compressing it as we are going to uncompress it on device anyway.
out.setLevel(0);
out.putNextEntry(new ZipEntry(GSI_IMAGE_NAME));
StreamUtil.copyStreams(stream, out);
out.closeEntry();
}
} finally {
StreamUtil.close(stream);
}
}
@After
public void tearDown() {
try {
FileUtil.deleteFile(mSystemImageZip);
} catch (SecurityException e) {
CLog.w("Failed to clean up '%s': %s", mSystemImageZip, e);
}
if (mWipeDsuOnFailure) {
// If test case completed successfully, then the test body should have called `wipe`
// already and calling `wipe` again would be a noop.
// If test case failed, then this piece of code would clean up the DSU installation left
// by the failed test case.
try {
getDevice().executeShellV2Command("gsi_tool wipe");
if (isDsuRunning()) {
getDevice().reboot();
}
} catch (DeviceNotAvailableException e) {
CLog.w("Failed to clean up DSU installation on device: %s", e);
}
}
try {
getDevice().deleteFile(DSU_IMAGE_ZIP_PUSH_PATH);
} catch (DeviceNotAvailableException e) {
CLog.w("Failed to clean up device '%s': %s", DSU_IMAGE_ZIP_PUSH_PATH, e);
}
}
@Test
public void testDsuGsi() throws DeviceNotAvailableException {
if (isDsuRunning()) {
CLog.i("Wipe existing DSU installation");
assertShellCommand("gsi_tool wipe");
getDevice().reboot();
assertDsuNotRunning();
}
CLog.i("Pushing '%s' -> '%s'", mSystemImageZip, DSU_IMAGE_ZIP_PUSH_PATH);
getDevice().pushFile(mSystemImageZip, DSU_IMAGE_ZIP_PUSH_PATH);
final long freeSpaceBeforeInstall = getDevice().getPartitionFreeSpace("/data") << 10;
assertShellCommand(getDsuInstallCommand());
CLog.i("Wait for DSU installation complete and reboot");
assertTrue(
"Timed out waiting for DSU installation complete",
getDevice().waitForDeviceNotAvailable(DSU_MAX_WAIT_SEC * 1000));
CLog.i("DSU installation is complete and device is disconnected");
getDevice().waitForDeviceAvailable();
assertDsuRunning();
CLog.i("Successfully booted with DSU");
CLog.i("Test 'gsi_tool enable -s' and 'gsi_tool enable'");
getDevice().reboot();
assertDsuNotRunning();
final long freeSpaceAfterInstall = getDevice().getPartitionFreeSpace("/data") << 10;
final long estimatedDsuSize = freeSpaceBeforeInstall - freeSpaceAfterInstall;
assertTrue(
String.format(
"Expected DSU installation to consume some storage space, free space before"
+ " install: %d, free space after install: %d, delta: %d",
freeSpaceBeforeInstall, freeSpaceAfterInstall, estimatedDsuSize),
estimatedDsuSize > 0);
assertShellCommand("gsi_tool enable");
getDevice().reboot();
assertDsuRunning();
CLog.i("Set up 'adb remount' for testing (requires reboot)");
assertAdbRoot();
assertShellCommand("remount");
getDevice().reboot();
assertDsuRunning();
assertAdbRoot();
assertShellCommand("remount");
assertDevicePathNotExist(REMOUNT_TEST_PATH);
assertShellCommand(String.format("mkdir -p '%s'", REMOUNT_TEST_PATH));
assertShellCommand(String.format("cp /system/bin/init '%s'", REMOUNT_TEST_FILE));
final String initContent = getDevice().pullFileContents("/system/bin/init");
CLog.i("DSU and original system have separate remount overlays");
assertShellCommand("gsi_tool disable");
getDevice().reboot();
assertDsuNotRunning();
assertDevicePathNotExist(REMOUNT_TEST_PATH);
CLog.i("Test that 'adb remount' is consistent after reboot");
assertShellCommand("gsi_tool enable");
getDevice().reboot();
assertDsuRunning();
assertDevicePathExist(REMOUNT_TEST_FILE);
assertEquals(
String.format(
"Expected contents of '%s' to persist after reboot", REMOUNT_TEST_FILE),
initContent,
getDevice().pullFileContents(REMOUNT_TEST_FILE));
CLog.i("'enable-verity' should teardown the remount overlay and restore the filesystem");
assertAdbRoot();
assertShellCommand("enable-verity");
getDevice().reboot();
assertDsuRunning();
assertDevicePathNotExist(REMOUNT_TEST_PATH);
CLog.i("Test 'gsi_tool wipe'");
assertShellCommand("gsi_tool wipe");
getDevice().reboot();
assertDsuNotRunning();
final double dampeningCoefficient = 0.9;
final long freeSpaceAfterWipe = getDevice().getPartitionFreeSpace("/data") << 10;
final long freeSpaceReturnedByWipe = freeSpaceAfterWipe - freeSpaceAfterInstall;
assertTrue(
String.format(
"Expected 'gsi_tool wipe' to return roughly %d of storage space, free space"
+ " before wipe: %d, free space after wipe: %d, delta: %d",
estimatedDsuSize,
freeSpaceAfterInstall,
freeSpaceAfterWipe,
freeSpaceReturnedByWipe),
freeSpaceReturnedByWipe > (long) (estimatedDsuSize * dampeningCoefficient));
}
}
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