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Merge "Add statsd logging for RollbackHealthObserver events"

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This commit is contained in:
TreeHugger Robot
2019-01-31 23:09:50 +00:00
committed by Android (Google) Code Review
parent 0e9854e065 03eeb13794
commit 65ac428ef0
2 changed files with 73 additions and 22 deletions
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91
services/core/java/com/android/server/rollback/RollbackPackageHealthObserver.java
View File

@@ -18,14 +18,18 @@ package com.android.server.rollback;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageManager;
import android.content.pm.VersionedPackage;
import android.content.rollback.PackageRollbackInfo;
import android.content.rollback.RollbackInfo;
import android.content.rollback.RollbackManager;
import android.os.Handler;
import android.os.HandlerThread;
import android.text.TextUtils;
import android.util.Slog;
import android.util.StatsLog;
import com.android.internal.R;
import com.android.server.PackageWatchdog;
import com.android.server.PackageWatchdog.PackageHealthObserver;
import com.android.server.PackageWatchdog.PackageHealthObserverImpact;
@@ -54,9 +58,15 @@ public final class RollbackPackageHealthObserver implements PackageHealthObserve
@Override
public int onHealthCheckFailed(String packageName, long versionCode) {
VersionedPackage moduleMetadataPackage = getModuleMetadataPackage();
if (moduleMetadataPackage == null) {
// Ignore failure, no mainline update available
return PackageHealthObserverImpact.USER_IMPACT_NONE;
}
RollbackInfo rollback =
getAvailableRollback(mContext.getSystemService(RollbackManager.class),
packageName, versionCode);
getAvailableMainlineRollback(mContext.getSystemService(RollbackManager.class),
packageName, versionCode, moduleMetadataPackage);
if (rollback == null) {
// Don't handle the notification, no rollbacks available for the package
return PackageHealthObserverImpact.USER_IMPACT_NONE;
@@ -67,27 +77,41 @@ public final class RollbackPackageHealthObserver implements PackageHealthObserve
@Override
public boolean execute(String packageName, long versionCode) {
RollbackManager rollbackManager = mContext.getSystemService(RollbackManager.class);
RollbackInfo rollback = getAvailableRollback(rollbackManager, packageName, versionCode);
if (rollback == null) {
// Expected a rollback to be available, what happened?
VersionedPackage moduleMetadataPackage = getModuleMetadataPackage();
if (moduleMetadataPackage == null) {
// Ignore failure, no mainline update available
return false;
}
// TODO(zezeozue): Only rollback if rollback version == failed package version
RollbackManager rollbackManager = mContext.getSystemService(RollbackManager.class);
RollbackInfo rollback = getAvailableMainlineRollback(rollbackManager,
packageName, versionCode, moduleMetadataPackage);
if (rollback == null) {
Slog.w(TAG, "Expected rollback but no rollback found for package: [ "
+ packageName + "] with versionCode: [" + versionCode + "]");
return false;
}
StatsLog.write(StatsLog.WATCHDOG_ROLLBACK_OCCURRED,
StatsLog.WATCHDOG_ROLLBACK_OCCURRED__ROLLBACK_TYPE__ROLLBACK_INITIATE,
moduleMetadataPackage.getPackageName(),
moduleMetadataPackage.getVersionCode());
LocalIntentReceiver rollbackReceiver = new LocalIntentReceiver((Intent result) -> {
int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS,
PackageInstaller.STATUS_FAILURE);
if (status == PackageInstaller.STATUS_SUCCESS) {
// TODO(zezeozue); Log success metrics
// Rolledback successfully, no action required by other observers
int status = result.getIntExtra(RollbackManager.EXTRA_STATUS,
RollbackManager.STATUS_FAILURE);
if (status == RollbackManager.STATUS_SUCCESS) {
StatsLog.write(StatsLog.WATCHDOG_ROLLBACK_OCCURRED,
StatsLog.WATCHDOG_ROLLBACK_OCCURRED__ROLLBACK_TYPE__ROLLBACK_SUCCESS,
moduleMetadataPackage.getPackageName(),
moduleMetadataPackage.getVersionCode());
} else {
// TODO(zezeozue); Log failure metrics
// Rollback failed other observers should have a shot
StatsLog.write(StatsLog.WATCHDOG_ROLLBACK_OCCURRED,
StatsLog.WATCHDOG_ROLLBACK_OCCURRED__ROLLBACK_TYPE__ROLLBACK_FAILURE,
moduleMetadataPackage.getPackageName(),
moduleMetadataPackage.getVersionCode());
}
});
// TODO(zezeozue): Log initiated metrics
mHandler.post(() ->
rollbackManager.commitRollback(rollback.getRollbackId(),
Collections.singletonList(new VersionedPackage(packageName, versionCode)),
@@ -109,17 +133,40 @@ public final class RollbackPackageHealthObserver implements PackageHealthObserve
PackageWatchdog.getInstance(mContext).startObservingHealth(this, packages, durationMs);
}
private RollbackInfo getAvailableRollback(RollbackManager rollbackManager,
String packageName, long versionCode) {
private RollbackInfo getAvailableMainlineRollback(RollbackManager rollbackManager,
String packageName, long versionCode, VersionedPackage moduleMetadataPackage) {
for (RollbackInfo rollback : rollbackManager.getAvailableRollbacks()) {
// We only rollback mainline packages, so check if rollback contains the
// module metadata provider, if it does, the rollback is a mainline rollback
boolean hasModuleMetadataPackage = false;
boolean hasFailedPackage = false;
for (PackageRollbackInfo packageRollback : rollback.getPackages()) {
if (packageName.equals(packageRollback.getPackageName())
hasModuleMetadataPackage |= packageRollback.getPackageName().equals(
moduleMetadataPackage.getPackageName());
hasFailedPackage |= packageRollback.getPackageName().equals(packageName)
&& packageRollback.getVersionRolledBackFrom().getVersionCode()
== versionCode) {
return rollback;
}
== versionCode;
}
if (hasModuleMetadataPackage && hasFailedPackage) {
return rollback;
}
}
return null;
}
private VersionedPackage getModuleMetadataPackage() {
String packageName = mContext.getResources().getString(
R.string.config_defaultModuleMetadataProvider);
if (!TextUtils.isEmpty(packageName)) {
return null;
}
try {
return new VersionedPackage(packageName, mContext.getPackageManager().getPackageInfo(
packageName, 0 /* flags */).getLongVersionCode());
} catch (PackageManager.NameNotFoundException e) {
Slog.w(TAG, "Module metadata provider not found");
return null;
}
}
}

4
tests/RollbackTest/src/com/android/tests/rollback/RollbackTest.java
View File

@@ -37,6 +37,7 @@ import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@@ -628,9 +629,12 @@ public class RollbackTest {
assertEquals(versionRolledBackTo, info.getVersionRolledBackTo().getLongVersionCode());
}
// TODO: Allow installing test app along atomically with module metadata package so that
// a failed test app will be flagged as a failed mainline app
/**
* Test bad update automatic rollback.
*/
@Ignore
@Test
public void testBadUpdateRollback() throws Exception {
BroadcastReceiver crashCountReceiver = null;