| // |
| // Copyright (C) 2019 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. |
| // |
| |
| #include "update_engine/dynamic_partition_control_android.h" |
| |
| #include <set> |
| #include <vector> |
| |
| #include <base/logging.h> |
| #include <base/strings/string_util.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| #include <libavb/libavb.h> |
| #include <libsnapshot/mock_snapshot.h> |
| |
| #include "update_engine/common/mock_prefs.h" |
| #include "update_engine/common/test_utils.h" |
| #include "update_engine/dynamic_partition_test_utils.h" |
| #include "update_engine/mock_dynamic_partition_control.h" |
| |
| using android::dm::DmDeviceState; |
| using android::snapshot::MockSnapshotManager; |
| using chromeos_update_engine::test_utils::ScopedLoopbackDeviceBinder; |
| using chromeos_update_engine::test_utils::ScopedTempFile; |
| using std::string; |
| using testing::_; |
| using testing::AnyNumber; |
| using testing::AnyOf; |
| using testing::Invoke; |
| using testing::NiceMock; |
| using testing::Not; |
| using testing::Optional; |
| using testing::Return; |
| |
| namespace chromeos_update_engine { |
| |
| class DynamicPartitionControlAndroidTest : public ::testing::Test { |
| public: |
| void SetUp() override { |
| module_ = std::make_unique<NiceMock<MockDynamicPartitionControlAndroid>>(); |
| |
| ON_CALL(dynamicControl(), GetDynamicPartitionsFeatureFlag()) |
| .WillByDefault(Return(FeatureFlag(FeatureFlag::Value::LAUNCH))); |
| ON_CALL(dynamicControl(), GetVirtualAbFeatureFlag()) |
| .WillByDefault(Return(FeatureFlag(FeatureFlag::Value::NONE))); |
| |
| ON_CALL(dynamicControl(), GetDeviceDir(_)) |
| .WillByDefault(Invoke([](auto path) { |
| *path = kFakeDevicePath; |
| return true; |
| })); |
| |
| ON_CALL(dynamicControl(), GetSuperPartitionName(_)) |
| .WillByDefault(Return(kFakeSuper)); |
| |
| ON_CALL(dynamicControl(), GetDmDevicePathByName(_, _)) |
| .WillByDefault(Invoke([](auto partition_name_suffix, auto device) { |
| *device = GetDmDevice(partition_name_suffix); |
| return true; |
| })); |
| |
| ON_CALL(dynamicControl(), EraseSystemOtherAvbFooter(_, _)) |
| .WillByDefault(Return(true)); |
| |
| ON_CALL(dynamicControl(), IsRecovery()).WillByDefault(Return(false)); |
| |
| ON_CALL(dynamicControl(), PrepareDynamicPartitionsForUpdate(_, _, _, _)) |
| .WillByDefault(Invoke([&](uint32_t source_slot, |
| uint32_t target_slot, |
| const DeltaArchiveManifest& manifest, |
| bool delete_source) { |
| return dynamicControl().RealPrepareDynamicPartitionsForUpdate( |
| source_slot, target_slot, manifest, delete_source); |
| })); |
| } |
| |
| // Return the mocked DynamicPartitionControlInterface. |
| NiceMock<MockDynamicPartitionControlAndroid>& dynamicControl() { |
| return static_cast<NiceMock<MockDynamicPartitionControlAndroid>&>(*module_); |
| } |
| |
| std::string GetSuperDevice(uint32_t slot) { |
| return GetDevice(dynamicControl().GetSuperPartitionName(slot)); |
| } |
| |
| uint32_t source() { return slots_.source; } |
| uint32_t target() { return slots_.target; } |
| |
| // Return partition names with suffix of source(). |
| std::string S(const std::string& name) { |
| return name + kSlotSuffixes[source()]; |
| } |
| |
| // Return partition names with suffix of target(). |
| std::string T(const std::string& name) { |
| return name + kSlotSuffixes[target()]; |
| } |
| |
| // Set the fake metadata to return when LoadMetadataBuilder is called on |
| // |slot|. |
| void SetMetadata(uint32_t slot, |
| const PartitionSuffixSizes& sizes, |
| uint32_t partition_attr = 0) { |
| EXPECT_CALL(dynamicControl(), |
| LoadMetadataBuilder(GetSuperDevice(slot), slot)) |
| .Times(AnyNumber()) |
| .WillRepeatedly(Invoke([sizes, partition_attr](auto, auto) { |
| return NewFakeMetadata(PartitionSuffixSizesToManifest(sizes), |
| partition_attr); |
| })); |
| |
| EXPECT_CALL(dynamicControl(), |
| LoadMetadataBuilder(GetSuperDevice(slot), slot, _)) |
| .Times(AnyNumber()) |
| .WillRepeatedly(Invoke([sizes, partition_attr](auto, auto, auto) { |
| return NewFakeMetadata(PartitionSuffixSizesToManifest(sizes), |
| partition_attr); |
| })); |
| } |
| |
| void ExpectStoreMetadata(const PartitionSuffixSizes& partition_sizes) { |
| EXPECT_CALL(dynamicControl(), |
| StoreMetadata(GetSuperDevice(target()), |
| MetadataMatches(partition_sizes), |
| target())) |
| .WillOnce(Return(true)); |
| } |
| |
| // Expect that UnmapPartitionOnDeviceMapper is called on target() metadata |
| // slot with each partition in |partitions|. |
| void ExpectUnmap(const std::set<std::string>& partitions) { |
| // Error when UnmapPartitionOnDeviceMapper is called on unknown arguments. |
| ON_CALL(dynamicControl(), UnmapPartitionOnDeviceMapper(_)) |
| .WillByDefault(Return(false)); |
| |
| for (const auto& partition : partitions) { |
| EXPECT_CALL(dynamicControl(), UnmapPartitionOnDeviceMapper(partition)) |
| .WillOnce(Return(true)); |
| } |
| } |
| bool PreparePartitionsForUpdate(const PartitionSizes& partition_sizes) { |
| return dynamicControl().PreparePartitionsForUpdate( |
| source(), |
| target(), |
| PartitionSizesToManifest(partition_sizes), |
| true, |
| nullptr); |
| } |
| void SetSlots(const TestParam& slots) { slots_ = slots; } |
| |
| void SetSnapshotEnabled(bool enabled) { |
| dynamicControl().target_supports_snapshot_ = enabled; |
| } |
| |
| struct Listener : public ::testing::MatchResultListener { |
| explicit Listener(std::ostream* os) : MatchResultListener(os) {} |
| }; |
| |
| testing::AssertionResult UpdatePartitionMetadata( |
| const PartitionSuffixSizes& source_metadata, |
| const PartitionSizes& update_metadata, |
| const PartitionSuffixSizes& expected) { |
| return UpdatePartitionMetadata( |
| PartitionSuffixSizesToManifest(source_metadata), |
| PartitionSizesToManifest(update_metadata), |
| PartitionSuffixSizesToManifest(expected)); |
| } |
| testing::AssertionResult UpdatePartitionMetadata( |
| const DeltaArchiveManifest& source_manifest, |
| const DeltaArchiveManifest& update_manifest, |
| const DeltaArchiveManifest& expected) { |
| return UpdatePartitionMetadata( |
| source_manifest, update_manifest, MetadataMatches(expected)); |
| } |
| testing::AssertionResult UpdatePartitionMetadata( |
| const DeltaArchiveManifest& source_manifest, |
| const DeltaArchiveManifest& update_manifest, |
| const Matcher<MetadataBuilder*>& matcher) { |
| auto super_metadata = NewFakeMetadata(source_manifest); |
| if (!module_->UpdatePartitionMetadata( |
| super_metadata.get(), target(), update_manifest)) { |
| return testing::AssertionFailure() |
| << "UpdatePartitionMetadataInternal failed"; |
| } |
| std::stringstream ss; |
| Listener listener(&ss); |
| if (matcher.MatchAndExplain(super_metadata.get(), &listener)) { |
| return testing::AssertionSuccess() << ss.str(); |
| } else { |
| return testing::AssertionFailure() << ss.str(); |
| } |
| } |
| |
| std::unique_ptr<DynamicPartitionControlAndroid> module_; |
| TestParam slots_; |
| }; |
| |
| class DynamicPartitionControlAndroidTestP |
| : public DynamicPartitionControlAndroidTest, |
| public ::testing::WithParamInterface<TestParam> { |
| public: |
| void SetUp() override { |
| DynamicPartitionControlAndroidTest::SetUp(); |
| SetSlots(GetParam()); |
| } |
| }; |
| |
| // Test resize case. Grow if target metadata contains a partition with a size |
| // less than expected. |
| TEST_P(DynamicPartitionControlAndroidTestP, |
| NeedGrowIfSizeNotMatchWhenResizing) { |
| PartitionSuffixSizes source_metadata{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}; |
| PartitionSuffixSizes expected{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 3_GiB}, |
| {T("vendor"), 1_GiB}}; |
| PartitionSizes update_metadata{{"system", 3_GiB}, {"vendor", 1_GiB}}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test resize case. Shrink if target metadata contains a partition with a size |
| // greater than expected. |
| TEST_P(DynamicPartitionControlAndroidTestP, |
| NeedShrinkIfSizeNotMatchWhenResizing) { |
| PartitionSuffixSizes source_metadata{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}; |
| PartitionSuffixSizes expected{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 150_MiB}}; |
| PartitionSizes update_metadata{{"system", 2_GiB}, {"vendor", 150_MiB}}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test adding partitions on the first run. |
| TEST_P(DynamicPartitionControlAndroidTestP, AddPartitionToEmptyMetadata) { |
| PartitionSuffixSizes source_metadata{}; |
| PartitionSuffixSizes expected{{T("system"), 2_GiB}, {T("vendor"), 1_GiB}}; |
| PartitionSizes update_metadata{{"system", 2_GiB}, {"vendor", 1_GiB}}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test subsequent add case. |
| TEST_P(DynamicPartitionControlAndroidTestP, AddAdditionalPartition) { |
| PartitionSuffixSizes source_metadata{{S("system"), 2_GiB}, |
| {T("system"), 2_GiB}}; |
| PartitionSuffixSizes expected{ |
| {S("system"), 2_GiB}, {T("system"), 2_GiB}, {T("vendor"), 1_GiB}}; |
| PartitionSizes update_metadata{{"system", 2_GiB}, {"vendor", 1_GiB}}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test delete one partition. |
| TEST_P(DynamicPartitionControlAndroidTestP, DeletePartition) { |
| PartitionSuffixSizes source_metadata{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}; |
| // No T("vendor") |
| PartitionSuffixSizes expected{ |
| {S("system"), 2_GiB}, {S("vendor"), 1_GiB}, {T("system"), 2_GiB}}; |
| PartitionSizes update_metadata{{"system", 2_GiB}}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test delete all partitions. |
| TEST_P(DynamicPartitionControlAndroidTestP, DeleteAll) { |
| PartitionSuffixSizes source_metadata{{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}; |
| PartitionSuffixSizes expected{{S("system"), 2_GiB}, {S("vendor"), 1_GiB}}; |
| PartitionSizes update_metadata{}; |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_metadata, update_metadata, expected)); |
| } |
| |
| // Test corrupt source metadata case. |
| TEST_P(DynamicPartitionControlAndroidTestP, CorruptedSourceMetadata) { |
| EXPECT_CALL(dynamicControl(), |
| LoadMetadataBuilder(GetSuperDevice(source()), source(), _)) |
| .WillOnce(Invoke([](auto, auto, auto) { return nullptr; })); |
| ExpectUnmap({T("system")}); |
| |
| EXPECT_FALSE(PreparePartitionsForUpdate({{"system", 1_GiB}})) |
| << "Should not be able to continue with corrupt source metadata"; |
| } |
| |
| // Test that UpdatePartitionMetadata fails if there is not enough space on the |
| // device. |
| TEST_P(DynamicPartitionControlAndroidTestP, NotEnoughSpace) { |
| PartitionSuffixSizes source_metadata{{S("system"), 3_GiB}, |
| {S("vendor"), 2_GiB}, |
| {T("system"), 0}, |
| {T("vendor"), 0}}; |
| PartitionSizes update_metadata{{"system", 3_GiB}, {"vendor", 3_GiB}}; |
| |
| EXPECT_FALSE(UpdatePartitionMetadata(source_metadata, update_metadata, {})) |
| << "Should not be able to fit 11GiB data into 10GiB space"; |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, NotEnoughSpaceForSlot) { |
| PartitionSuffixSizes source_metadata{{S("system"), 1_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 0}, |
| {T("vendor"), 0}}; |
| PartitionSizes update_metadata{{"system", 3_GiB}, {"vendor", 3_GiB}}; |
| EXPECT_FALSE(UpdatePartitionMetadata(source_metadata, update_metadata, {})) |
| << "Should not be able to grow over size of super / 2"; |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, |
| ApplyRetrofitUpdateOnDynamicPartitionsEnabledBuild) { |
| ON_CALL(dynamicControl(), GetDynamicPartitionsFeatureFlag()) |
| .WillByDefault(Return(FeatureFlag(FeatureFlag::Value::RETROFIT))); |
| // Static partition {system,bar}_{a,b} exists. |
| EXPECT_CALL(dynamicControl(), |
| DeviceExists(AnyOf(GetDevice(S("bar")), |
| GetDevice(T("bar")), |
| GetDevice(S("system")), |
| GetDevice(T("system"))))) |
| .WillRepeatedly(Return(true)); |
| |
| SetMetadata(source(), |
| {{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}); |
| |
| // Not calling through |
| // DynamicPartitionControlAndroidTest::PreparePartitionsForUpdate(), since we |
| // don't want any default group in the PartitionMetadata. |
| EXPECT_TRUE(dynamicControl().PreparePartitionsForUpdate( |
| source(), target(), {}, true, nullptr)); |
| |
| // Should use dynamic source partitions. |
| EXPECT_CALL(dynamicControl(), GetState(S("system"))) |
| .Times(1) |
| .WillOnce(Return(DmDeviceState::ACTIVE)); |
| string system_device; |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "system", source(), source(), &system_device)); |
| EXPECT_EQ(GetDmDevice(S("system")), system_device); |
| |
| // Should use static target partitions without querying dynamic control. |
| EXPECT_CALL(dynamicControl(), GetState(T("system"))).Times(0); |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "system", target(), source(), &system_device)); |
| EXPECT_EQ(GetDevice(T("system")), system_device); |
| |
| // Static partition "bar". |
| EXPECT_CALL(dynamicControl(), GetState(S("bar"))).Times(0); |
| std::string bar_device; |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "bar", source(), source(), &bar_device)); |
| EXPECT_EQ(GetDevice(S("bar")), bar_device); |
| |
| EXPECT_CALL(dynamicControl(), GetState(T("bar"))).Times(0); |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "bar", target(), source(), &bar_device)); |
| EXPECT_EQ(GetDevice(T("bar")), bar_device); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, |
| GetPartitionDeviceWhenResumingUpdate) { |
| // Static partition bar_{a,b} exists. |
| EXPECT_CALL(dynamicControl(), |
| DeviceExists(AnyOf(GetDevice(S("bar")), GetDevice(T("bar"))))) |
| .WillRepeatedly(Return(true)); |
| |
| // Both of the two slots contain valid partition metadata, since this is |
| // resuming an update. |
| SetMetadata(source(), |
| {{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}); |
| SetMetadata(target(), |
| {{S("system"), 2_GiB}, |
| {S("vendor"), 1_GiB}, |
| {T("system"), 2_GiB}, |
| {T("vendor"), 1_GiB}}); |
| |
| EXPECT_TRUE(dynamicControl().PreparePartitionsForUpdate( |
| source(), |
| target(), |
| PartitionSizesToManifest({{"system", 2_GiB}, {"vendor", 1_GiB}}), |
| false, |
| nullptr)); |
| |
| // Dynamic partition "system". |
| EXPECT_CALL(dynamicControl(), GetState(S("system"))) |
| .Times(1) |
| .WillOnce(Return(DmDeviceState::ACTIVE)); |
| string system_device; |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "system", source(), source(), &system_device)); |
| EXPECT_EQ(GetDmDevice(S("system")), system_device); |
| |
| EXPECT_CALL(dynamicControl(), GetState(T("system"))) |
| .Times(AnyNumber()) |
| .WillOnce(Return(DmDeviceState::ACTIVE)); |
| EXPECT_CALL(dynamicControl(), |
| MapPartitionOnDeviceMapper( |
| GetSuperDevice(target()), T("system"), target(), _, _)) |
| .Times(AnyNumber()) |
| .WillRepeatedly( |
| Invoke([](const auto&, const auto& name, auto, auto, auto* device) { |
| *device = "/fake/remapped/" + name; |
| return true; |
| })); |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "system", target(), source(), &system_device)); |
| EXPECT_EQ("/fake/remapped/" + T("system"), system_device); |
| |
| // Static partition "bar". |
| EXPECT_CALL(dynamicControl(), GetState(S("bar"))).Times(0); |
| std::string bar_device; |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "bar", source(), source(), &bar_device)); |
| EXPECT_EQ(GetDevice(S("bar")), bar_device); |
| |
| EXPECT_CALL(dynamicControl(), GetState(T("bar"))).Times(0); |
| EXPECT_TRUE(dynamicControl().GetPartitionDevice( |
| "bar", target(), source(), &bar_device)); |
| EXPECT_EQ(GetDevice(T("bar")), bar_device); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(DynamicPartitionControlAndroidTest, |
| DynamicPartitionControlAndroidTestP, |
| testing::Values(TestParam{0, 1}, TestParam{1, 0})); |
| |
| class DynamicPartitionControlAndroidGroupTestP |
| : public DynamicPartitionControlAndroidTestP { |
| public: |
| DeltaArchiveManifest source_manifest; |
| void SetUp() override { |
| DynamicPartitionControlAndroidTestP::SetUp(); |
| AddGroupAndPartition( |
| &source_manifest, S("android"), 3_GiB, S("system"), 2_GiB); |
| AddGroupAndPartition(&source_manifest, S("oem"), 2_GiB, S("vendor"), 1_GiB); |
| AddGroupAndPartition(&source_manifest, T("android"), 3_GiB, T("system"), 0); |
| AddGroupAndPartition(&source_manifest, T("oem"), 2_GiB, T("vendor"), 0); |
| } |
| |
| void AddGroupAndPartition(DeltaArchiveManifest* manifest, |
| const string& group, |
| uint64_t group_size, |
| const string& partition, |
| uint64_t partition_size) { |
| auto* g = AddGroup(manifest, group, group_size); |
| AddPartition(manifest, g, partition, partition_size); |
| } |
| }; |
| |
| // Allow to resize within group. |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, ResizeWithinGroup) { |
| DeltaArchiveManifest expected; |
| AddGroupAndPartition(&expected, T("android"), 3_GiB, T("system"), 3_GiB); |
| AddGroupAndPartition(&expected, T("oem"), 2_GiB, T("vendor"), 2_GiB); |
| |
| DeltaArchiveManifest update_manifest; |
| AddGroupAndPartition(&update_manifest, "android", 3_GiB, "system", 3_GiB); |
| AddGroupAndPartition(&update_manifest, "oem", 2_GiB, "vendor", 2_GiB); |
| |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_manifest, update_manifest, expected)); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, NotEnoughSpaceForGroup) { |
| DeltaArchiveManifest update_manifest; |
| AddGroupAndPartition(&update_manifest, "android", 3_GiB, "system", 1_GiB), |
| AddGroupAndPartition(&update_manifest, "oem", 2_GiB, "vendor", 3_GiB); |
| EXPECT_FALSE(UpdatePartitionMetadata(source_manifest, update_manifest, {})) |
| << "Should not be able to grow over maximum size of group"; |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, GroupTooBig) { |
| DeltaArchiveManifest update_manifest; |
| AddGroup(&update_manifest, "android", 3_GiB); |
| AddGroup(&update_manifest, "oem", 3_GiB); |
| EXPECT_FALSE(UpdatePartitionMetadata(source_manifest, update_manifest, {})) |
| << "Should not be able to grow over size of super / 2"; |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, AddPartitionToGroup) { |
| DeltaArchiveManifest expected; |
| auto* g = AddGroup(&expected, T("android"), 3_GiB); |
| AddPartition(&expected, g, T("system"), 2_GiB); |
| AddPartition(&expected, g, T("system_ext"), 1_GiB); |
| |
| DeltaArchiveManifest update_manifest; |
| g = AddGroup(&update_manifest, "android", 3_GiB); |
| AddPartition(&update_manifest, g, "system", 2_GiB); |
| AddPartition(&update_manifest, g, "system_ext", 1_GiB); |
| AddGroupAndPartition(&update_manifest, "oem", 2_GiB, "vendor", 2_GiB); |
| |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_manifest, update_manifest, expected)); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, RemovePartitionFromGroup) { |
| DeltaArchiveManifest expected; |
| AddGroup(&expected, T("android"), 3_GiB); |
| |
| DeltaArchiveManifest update_manifest; |
| AddGroup(&update_manifest, "android", 3_GiB); |
| AddGroupAndPartition(&update_manifest, "oem", 2_GiB, "vendor", 2_GiB); |
| |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_manifest, update_manifest, expected)); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, AddGroup) { |
| DeltaArchiveManifest expected; |
| AddGroupAndPartition( |
| &expected, T("new_group"), 2_GiB, T("new_partition"), 2_GiB); |
| |
| DeltaArchiveManifest update_manifest; |
| AddGroupAndPartition(&update_manifest, "android", 2_GiB, "system", 2_GiB); |
| AddGroupAndPartition(&update_manifest, "oem", 1_GiB, "vendor", 1_GiB); |
| AddGroupAndPartition( |
| &update_manifest, "new_group", 2_GiB, "new_partition", 2_GiB); |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_manifest, update_manifest, expected)); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, RemoveGroup) { |
| DeltaArchiveManifest update_manifest; |
| AddGroupAndPartition(&update_manifest, "android", 2_GiB, "system", 2_GiB); |
| |
| EXPECT_TRUE(UpdatePartitionMetadata( |
| source_manifest, update_manifest, Not(HasGroup(T("oem"))))); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidGroupTestP, ResizeGroup) { |
| DeltaArchiveManifest expected; |
| AddGroupAndPartition(&expected, T("android"), 2_GiB, T("system"), 2_GiB); |
| AddGroupAndPartition(&expected, T("oem"), 3_GiB, T("vendor"), 3_GiB); |
| DeltaArchiveManifest update_manifest; |
| AddGroupAndPartition(&update_manifest, "android", 2_GiB, "system", 2_GiB), |
| AddGroupAndPartition(&update_manifest, "oem", 3_GiB, "vendor", 3_GiB); |
| EXPECT_TRUE( |
| UpdatePartitionMetadata(source_manifest, update_manifest, expected)); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(DynamicPartitionControlAndroidTest, |
| DynamicPartitionControlAndroidGroupTestP, |
| testing::Values(TestParam{0, 1}, TestParam{1, 0})); |
| |
| const PartitionSuffixSizes update_sizes_0() { |
| // Initial state is 0 for "other" slot. |
| return { |
| {"grown_a", 2_GiB}, |
| {"shrunk_a", 1_GiB}, |
| {"same_a", 100_MiB}, |
| {"deleted_a", 150_MiB}, |
| // no added_a |
| {"grown_b", 200_MiB}, |
| // simulate system_other |
| {"shrunk_b", 0}, |
| {"same_b", 0}, |
| {"deleted_b", 0}, |
| // no added_b |
| }; |
| } |
| |
| const PartitionSuffixSizes update_sizes_1() { |
| return { |
| {"grown_a", 2_GiB}, |
| {"shrunk_a", 1_GiB}, |
| {"same_a", 100_MiB}, |
| {"deleted_a", 150_MiB}, |
| // no added_a |
| {"grown_b", 3_GiB}, |
| {"shrunk_b", 150_MiB}, |
| {"same_b", 100_MiB}, |
| {"added_b", 150_MiB}, |
| // no deleted_b |
| }; |
| } |
| |
| const PartitionSuffixSizes update_sizes_2() { |
| return { |
| {"grown_a", 4_GiB}, |
| {"shrunk_a", 100_MiB}, |
| {"same_a", 100_MiB}, |
| {"deleted_a", 64_MiB}, |
| // no added_a |
| {"grown_b", 3_GiB}, |
| {"shrunk_b", 150_MiB}, |
| {"same_b", 100_MiB}, |
| {"added_b", 150_MiB}, |
| // no deleted_b |
| }; |
| } |
| |
| // Test case for first update after the device is manufactured, in which |
| // case the "other" slot is likely of size "0" (except system, which is |
| // non-zero because of system_other partition) |
| TEST_F(DynamicPartitionControlAndroidTest, SimulatedFirstUpdate) { |
| SetSlots({0, 1}); |
| |
| SetMetadata(source(), update_sizes_0()); |
| SetMetadata(target(), update_sizes_0()); |
| ExpectStoreMetadata(update_sizes_1()); |
| ExpectUnmap({"grown_b", "shrunk_b", "same_b", "added_b"}); |
| |
| EXPECT_TRUE(PreparePartitionsForUpdate({{"grown", 3_GiB}, |
| {"shrunk", 150_MiB}, |
| {"same", 100_MiB}, |
| {"added", 150_MiB}})); |
| } |
| |
| // After first update, test for the second update. In the second update, the |
| // "added" partition is deleted and "deleted" partition is re-added. |
| TEST_F(DynamicPartitionControlAndroidTest, SimulatedSecondUpdate) { |
| SetSlots({1, 0}); |
| |
| SetMetadata(source(), update_sizes_1()); |
| SetMetadata(target(), update_sizes_0()); |
| |
| ExpectStoreMetadata(update_sizes_2()); |
| ExpectUnmap({"grown_a", "shrunk_a", "same_a", "deleted_a"}); |
| |
| EXPECT_TRUE(PreparePartitionsForUpdate({{"grown", 4_GiB}, |
| {"shrunk", 100_MiB}, |
| {"same", 100_MiB}, |
| {"deleted", 64_MiB}})); |
| } |
| |
| TEST_F(DynamicPartitionControlAndroidTest, ApplyingToCurrentSlot) { |
| SetSlots({1, 1}); |
| EXPECT_FALSE(PreparePartitionsForUpdate({})) |
| << "Should not be able to apply to current slot."; |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, OptimizeOperationTest) { |
| ASSERT_TRUE(dynamicControl().PreparePartitionsForUpdate( |
| source(), |
| target(), |
| PartitionSizesToManifest({{"foo", 4_MiB}}), |
| false, |
| nullptr)); |
| dynamicControl().set_fake_mapped_devices({T("foo")}); |
| |
| InstallOperation iop; |
| InstallOperation optimized; |
| Extent *se, *de; |
| |
| // Not a SOURCE_COPY operation, cannot skip. |
| iop.set_type(InstallOperation::REPLACE); |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| iop.set_type(InstallOperation::SOURCE_COPY); |
| |
| // By default GetVirtualAbFeatureFlag is disabled. Cannot skip operation. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| // Enable GetVirtualAbFeatureFlag in the mock interface. |
| ON_CALL(dynamicControl(), GetVirtualAbFeatureFlag()) |
| .WillByDefault(Return(FeatureFlag(FeatureFlag::Value::LAUNCH))); |
| |
| // By default target_supports_snapshot_ is set to false. Cannot skip |
| // operation. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| SetSnapshotEnabled(true); |
| |
| // Empty source and destination. Skip. |
| EXPECT_TRUE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| EXPECT_TRUE(optimized.src_extents().empty()); |
| EXPECT_TRUE(optimized.dst_extents().empty()); |
| |
| se = iop.add_src_extents(); |
| se->set_start_block(0); |
| se->set_num_blocks(1); |
| |
| // There is something in sources, but destinations are empty. Cannot skip. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| InstallOperation iop2; |
| |
| de = iop2.add_dst_extents(); |
| de->set_start_block(0); |
| de->set_num_blocks(1); |
| |
| // There is something in destinations, but sources are empty. Cannot skip. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop2, &optimized)); |
| |
| de = iop.add_dst_extents(); |
| de->set_start_block(0); |
| de->set_num_blocks(1); |
| |
| // Sources and destinations are identical. Skip. |
| EXPECT_TRUE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| EXPECT_TRUE(optimized.src_extents().empty()); |
| EXPECT_TRUE(optimized.dst_extents().empty()); |
| |
| se = iop.add_src_extents(); |
| se->set_start_block(1); |
| se->set_num_blocks(5); |
| |
| // There is something in source, but not in destination. Cannot skip. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| de = iop.add_dst_extents(); |
| de->set_start_block(1); |
| de->set_num_blocks(5); |
| |
| // There is source and destination are equal. Skip. |
| EXPECT_TRUE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| EXPECT_TRUE(optimized.src_extents().empty()); |
| EXPECT_TRUE(optimized.dst_extents().empty()); |
| |
| de = iop.add_dst_extents(); |
| de->set_start_block(6); |
| de->set_num_blocks(5); |
| |
| // There is something extra in dest. Cannot skip. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| |
| se = iop.add_src_extents(); |
| se->set_start_block(6); |
| se->set_num_blocks(5); |
| |
| // Source and dest are identical again. Skip. |
| EXPECT_TRUE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| EXPECT_TRUE(optimized.src_extents().empty()); |
| EXPECT_TRUE(optimized.dst_extents().empty()); |
| |
| iop.Clear(); |
| iop.set_type(InstallOperation::SOURCE_COPY); |
| se = iop.add_src_extents(); |
| se->set_start_block(1); |
| se->set_num_blocks(1); |
| se = iop.add_src_extents(); |
| se->set_start_block(3); |
| se->set_num_blocks(2); |
| se = iop.add_src_extents(); |
| se->set_start_block(7); |
| se->set_num_blocks(2); |
| de = iop.add_dst_extents(); |
| de->set_start_block(2); |
| de->set_num_blocks(5); |
| |
| // [1, 3, 4, 7, 8] -> [2, 3, 4, 5, 6] should return [1, 7, 8] -> [2, 5, 6] |
| EXPECT_TRUE(dynamicControl().OptimizeOperation("foo", iop, &optimized)); |
| ASSERT_EQ(2, optimized.src_extents_size()); |
| ASSERT_EQ(2, optimized.dst_extents_size()); |
| EXPECT_EQ(1u, optimized.src_extents(0).start_block()); |
| EXPECT_EQ(1u, optimized.src_extents(0).num_blocks()); |
| EXPECT_EQ(2u, optimized.dst_extents(0).start_block()); |
| EXPECT_EQ(1u, optimized.dst_extents(0).num_blocks()); |
| EXPECT_EQ(7u, optimized.src_extents(1).start_block()); |
| EXPECT_EQ(2u, optimized.src_extents(1).num_blocks()); |
| EXPECT_EQ(5u, optimized.dst_extents(1).start_block()); |
| EXPECT_EQ(2u, optimized.dst_extents(1).num_blocks()); |
| |
| // Don't skip for static partitions. |
| EXPECT_FALSE(dynamicControl().OptimizeOperation("bar", iop, &optimized)); |
| } |
| |
| TEST_F(DynamicPartitionControlAndroidTest, ResetUpdate) { |
| MockPrefs prefs; |
| ASSERT_TRUE(dynamicControl().ResetUpdate(&prefs)); |
| } |
| |
| TEST_F(DynamicPartitionControlAndroidTest, IsAvbNotEnabledInFstab) { |
| // clang-format off |
| std::string fstab_content = |
| "system /postinstall ext4 ro,nosuid,nodev,noexec slotselect_other,logical\n" // NOLINT(whitespace/line_length) |
| "/dev/block/by-name/system /postinstall ext4 ro,nosuid,nodev,noexec slotselect_other\n"; // NOLINT(whitespace/line_length) |
| // clang-format on |
| ScopedTempFile fstab; |
| ASSERT_TRUE(test_utils::WriteFileString(fstab.path(), fstab_content)); |
| ASSERT_THAT(dynamicControl().RealIsAvbEnabledInFstab(fstab.path()), |
| Optional(false)); |
| } |
| |
| TEST_F(DynamicPartitionControlAndroidTest, IsAvbEnabledInFstab) { |
| // clang-format off |
| std::string fstab_content = |
| "system /postinstall ext4 ro,nosuid,nodev,noexec slotselect_other,logical,avb_keys=/foo\n"; // NOLINT(whitespace/line_length) |
| // clang-format on |
| ScopedTempFile fstab; |
| ASSERT_TRUE(test_utils::WriteFileString(fstab.path(), fstab_content)); |
| ASSERT_THAT(dynamicControl().RealIsAvbEnabledInFstab(fstab.path()), |
| Optional(true)); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, AvbNotEnabledOnSystemOther) { |
| ON_CALL(dynamicControl(), GetSystemOtherPath(_, _, _, _, _)) |
| .WillByDefault(Invoke([&](auto source_slot, |
| auto target_slot, |
| const auto& name, |
| auto path, |
| auto should_unmap) { |
| return dynamicControl().RealGetSystemOtherPath( |
| source_slot, target_slot, name, path, should_unmap); |
| })); |
| ON_CALL(dynamicControl(), IsAvbEnabledOnSystemOther()) |
| .WillByDefault(Return(false)); |
| EXPECT_TRUE( |
| dynamicControl().RealEraseSystemOtherAvbFooter(source(), target())); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, NoSystemOtherToErase) { |
| SetMetadata(source(), {{S("system"), 100_MiB}}); |
| ON_CALL(dynamicControl(), IsAvbEnabledOnSystemOther()) |
| .WillByDefault(Return(true)); |
| std::string path; |
| bool should_unmap; |
| ASSERT_TRUE(dynamicControl().RealGetSystemOtherPath( |
| source(), target(), T("system"), &path, &should_unmap)); |
| ASSERT_TRUE(path.empty()) << path; |
| ASSERT_FALSE(should_unmap); |
| ON_CALL(dynamicControl(), GetSystemOtherPath(_, _, _, _, _)) |
| .WillByDefault(Invoke([&](auto source_slot, |
| auto target_slot, |
| const auto& name, |
| auto path, |
| auto should_unmap) { |
| return dynamicControl().RealGetSystemOtherPath( |
| source_slot, target_slot, name, path, should_unmap); |
| })); |
| EXPECT_TRUE( |
| dynamicControl().RealEraseSystemOtherAvbFooter(source(), target())); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, SkipEraseUpdatedSystemOther) { |
| PartitionSuffixSizes sizes{{S("system"), 100_MiB}, {T("system"), 100_MiB}}; |
| SetMetadata(source(), sizes, LP_PARTITION_ATTR_UPDATED); |
| ON_CALL(dynamicControl(), IsAvbEnabledOnSystemOther()) |
| .WillByDefault(Return(true)); |
| std::string path; |
| bool should_unmap; |
| ASSERT_TRUE(dynamicControl().RealGetSystemOtherPath( |
| source(), target(), T("system"), &path, &should_unmap)); |
| ASSERT_TRUE(path.empty()) << path; |
| ASSERT_FALSE(should_unmap); |
| ON_CALL(dynamicControl(), GetSystemOtherPath(_, _, _, _, _)) |
| .WillByDefault(Invoke([&](auto source_slot, |
| auto target_slot, |
| const auto& name, |
| auto path, |
| auto should_unmap) { |
| return dynamicControl().RealGetSystemOtherPath( |
| source_slot, target_slot, name, path, should_unmap); |
| })); |
| EXPECT_TRUE( |
| dynamicControl().RealEraseSystemOtherAvbFooter(source(), target())); |
| } |
| |
| TEST_P(DynamicPartitionControlAndroidTestP, EraseSystemOtherAvbFooter) { |
| constexpr uint64_t file_size = 1_MiB; |
| static_assert(file_size > AVB_FOOTER_SIZE); |
| ScopedTempFile system_other; |
| brillo::Blob original(file_size, 'X'); |
| ASSERT_TRUE(test_utils::WriteFileVector(system_other.path(), original)); |
| std::string mnt_path; |
| ScopedLoopbackDeviceBinder dev(system_other.path(), true, &mnt_path); |
| ASSERT_TRUE(dev.is_bound()); |
| |
| brillo::Blob device_content; |
| ASSERT_TRUE(utils::ReadFile(mnt_path, &device_content)); |
| ASSERT_EQ(original, device_content); |
| |
| PartitionSuffixSizes sizes{{S("system"), 100_MiB}, {T("system"), file_size}}; |
| SetMetadata(source(), sizes); |
| ON_CALL(dynamicControl(), IsAvbEnabledOnSystemOther()) |
| .WillByDefault(Return(true)); |
| EXPECT_CALL(dynamicControl(), |
| GetSystemOtherPath(source(), target(), T("system"), _, _)) |
| .WillRepeatedly( |
| Invoke([&](auto, auto, const auto&, auto path, auto should_unmap) { |
| *path = mnt_path; |
| *should_unmap = false; |
| return true; |
| })); |
| ASSERT_TRUE( |
| dynamicControl().RealEraseSystemOtherAvbFooter(source(), target())); |
| |
| device_content.clear(); |
| ASSERT_TRUE(utils::ReadFile(mnt_path, &device_content)); |
| brillo::Blob new_expected(original); |
| // Clear the last AVB_FOOTER_SIZE bytes. |
| new_expected.resize(file_size - AVB_FOOTER_SIZE); |
| new_expected.resize(file_size, '\0'); |
| ASSERT_EQ(new_expected, device_content); |
| } |
| |
| class FakeAutoDevice : public android::snapshot::AutoDevice { |
| public: |
| FakeAutoDevice() : AutoDevice("") {} |
| }; |
| |
| class SnapshotPartitionTestP : public DynamicPartitionControlAndroidTestP { |
| public: |
| void SetUp() override { |
| DynamicPartitionControlAndroidTestP::SetUp(); |
| ON_CALL(dynamicControl(), GetVirtualAbFeatureFlag()) |
| .WillByDefault(Return(FeatureFlag(FeatureFlag::Value::LAUNCH))); |
| |
| snapshot_ = new NiceMock<MockSnapshotManager>(); |
| dynamicControl().snapshot_.reset(snapshot_); // takes ownership |
| EXPECT_CALL(*snapshot_, BeginUpdate()).WillOnce(Return(true)); |
| EXPECT_CALL(*snapshot_, EnsureMetadataMounted()) |
| .WillRepeatedly( |
| Invoke([]() { return std::make_unique<FakeAutoDevice>(); })); |
| |
| manifest_ = |
| PartitionSizesToManifest({{"system", 3_GiB}, {"vendor", 1_GiB}}); |
| } |
| void ExpectCreateUpdateSnapshots(android::snapshot::Return val) { |
| manifest_.mutable_dynamic_partition_metadata()->set_snapshot_enabled(true); |
| EXPECT_CALL(*snapshot_, CreateUpdateSnapshots(_)) |
| .WillRepeatedly(Invoke([&, val](const auto& manifest) { |
| // Deep comparison requires full protobuf library. Comparing the |
| // pointers are sufficient. |
| EXPECT_EQ(&manifest_, &manifest); |
| LOG(WARNING) << "CreateUpdateSnapshots returning " << val.string(); |
| return val; |
| })); |
| } |
| bool PreparePartitionsForUpdate(uint64_t* required_size) { |
| return dynamicControl().PreparePartitionsForUpdate( |
| source(), target(), manifest_, true /* update */, required_size); |
| } |
| MockSnapshotManager* snapshot_ = nullptr; |
| DeltaArchiveManifest manifest_; |
| }; |
| |
| // Test happy path of PreparePartitionsForUpdate on a Virtual A/B device. |
| TEST_P(SnapshotPartitionTestP, PreparePartitions) { |
| ExpectCreateUpdateSnapshots(android::snapshot::Return::Ok()); |
| uint64_t required_size = 0; |
| EXPECT_TRUE(PreparePartitionsForUpdate(&required_size)); |
| EXPECT_EQ(0u, required_size); |
| } |
| |
| // Test that if not enough space, required size returned by SnapshotManager is |
| // passed up. |
| TEST_P(SnapshotPartitionTestP, PreparePartitionsNoSpace) { |
| ExpectCreateUpdateSnapshots(android::snapshot::Return::NoSpace(1_GiB)); |
| uint64_t required_size = 0; |
| EXPECT_FALSE(PreparePartitionsForUpdate(&required_size)); |
| EXPECT_EQ(1_GiB, required_size); |
| } |
| |
| // Test that in recovery, use empty space in super partition for a snapshot |
| // update first. |
| TEST_P(SnapshotPartitionTestP, RecoveryUseSuperEmpty) { |
| ExpectCreateUpdateSnapshots(android::snapshot::Return::Ok()); |
| EXPECT_CALL(dynamicControl(), IsRecovery()).WillRepeatedly(Return(true)); |
| // Must not call PrepareDynamicPartitionsForUpdate if |
| // PrepareSnapshotPartitionsForUpdate succeeds. |
| EXPECT_CALL(dynamicControl(), PrepareDynamicPartitionsForUpdate(_, _, _, _)) |
| .Times(0); |
| uint64_t required_size = 0; |
| EXPECT_TRUE(PreparePartitionsForUpdate(&required_size)); |
| EXPECT_EQ(0u, required_size); |
| } |
| |
| // Test that in recovery, if CreateUpdateSnapshots throws an error, try |
| // the flashing path for full updates. |
| TEST_P(SnapshotPartitionTestP, RecoveryErrorShouldDeleteSource) { |
| // Expectation on PreparePartitionsForUpdate |
| ExpectCreateUpdateSnapshots(android::snapshot::Return::NoSpace(1_GiB)); |
| EXPECT_CALL(dynamicControl(), IsRecovery()).WillRepeatedly(Return(true)); |
| EXPECT_CALL(*snapshot_, CancelUpdate()).WillOnce(Return(true)); |
| EXPECT_CALL(dynamicControl(), PrepareDynamicPartitionsForUpdate(_, _, _, _)) |
| .WillRepeatedly(Invoke([&](auto source_slot, |
| auto target_slot, |
| const auto& manifest, |
| auto delete_source) { |
| EXPECT_EQ(source(), source_slot); |
| EXPECT_EQ(target(), target_slot); |
| // Deep comparison requires full protobuf library. Comparing the |
| // pointers are sufficient. |
| EXPECT_EQ(&manifest_, &manifest); |
| EXPECT_TRUE(delete_source); |
| return dynamicControl().RealPrepareDynamicPartitionsForUpdate( |
| source_slot, target_slot, manifest, delete_source); |
| })); |
| // Expectation on PrepareDynamicPartitionsForUpdate |
| SetMetadata(source(), {{S("system"), 2_GiB}, {S("vendor"), 1_GiB}}); |
| ExpectUnmap({T("system"), T("vendor")}); |
| // Expect that the source partitions aren't present in target super metadata. |
| ExpectStoreMetadata({{T("system"), 3_GiB}, {T("vendor"), 1_GiB}}); |
| |
| uint64_t required_size = 0; |
| EXPECT_TRUE(PreparePartitionsForUpdate(&required_size)); |
| EXPECT_EQ(0u, required_size); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(DynamicPartitionControlAndroidTest, |
| SnapshotPartitionTestP, |
| testing::Values(TestParam{0, 1}, TestParam{1, 0})); |
| |
| } // namespace chromeos_update_engine |