update_engine resize dynamic partitions during OTA.
update_engine uses device mapper to resize dynamic partitions
before opening the devices to apply the update.
* DeltaPerformer calls BootControlInterface::InitPartitionMetadata
when parsing the update manifest. The implementation for
BootControlAndroid::InitPartitionMetadata does the following
if sizes for dynamic partitions are incorrect (assuming updating
from slot A to B):
* Load metadata from metadata slot A
* Delete all extents of partitions at slot B (with _b suffix)
* Add extents for partitions at slot B
* Write metadata to metadata slot B
* Re-map all partitions at slot B using metadata slot B with
force_writable = true
* BootControlAndroid::GetPartitionDevice() checks device-mapper
before returning static partitions.
* PostinstallRunnerAction::Cleanup calls BootControlInterface::Cleanup
which unmaps all partitions at slot B.
A partition "foo" is considered dynamic if foo_a exists as a dynamic
partition OR foo_b does NOT exist as a static partition.
Bug: 110717529
Test: manual ota
Test: update_engine_unittests --gtest_filter=*BootControlAndroid*
Change-Id: I50f410b486a874242663624801c3694151bdda18
diff --git a/mock_boot_control_hal.h b/mock_boot_control_hal.h
new file mode 100644
index 0000000..4e9cb50
--- /dev/null
+++ b/mock_boot_control_hal.h
@@ -0,0 +1,49 @@
+//
+// Copyright (C) 2018 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 <android/hardware/boot/1.0/IBootControl.h>
+#include <stdint.h>
+
+#include <gmock/gmock.h>
+
+namespace chromeos_update_engine {
+
+class MockBootControlHal
+ : public ::android::hardware::boot::V1_0::IBootControl {
+ public:
+ MOCK_METHOD0(getNumberSlots, ::android::hardware::Return<uint32_t>());
+ MOCK_METHOD0(getCurrentSlot, ::android::hardware::Return<uint32_t>());
+ MOCK_METHOD1(markBootSuccessful,
+ ::android::hardware::Return<void>(markBootSuccessful_cb));
+ MOCK_METHOD2(setActiveBootSlot,
+ ::android::hardware::Return<void>(uint32_t,
+ setActiveBootSlot_cb));
+ MOCK_METHOD2(setSlotAsUnbootable,
+ ::android::hardware::Return<void>(uint32_t,
+ setSlotAsUnbootable_cb));
+ MOCK_METHOD1(
+ isSlotBootable,
+ ::android::hardware::Return<::android::hardware::boot::V1_0::BoolResult>(
+ uint32_t));
+ MOCK_METHOD1(
+ isSlotMarkedSuccessful,
+ ::android::hardware::Return<::android::hardware::boot::V1_0::BoolResult>(
+ uint32_t));
+ MOCK_METHOD2(getSuffix,
+ ::android::hardware::Return<void>(uint32_t, getSuffix_cb));
+};
+
+} // namespace chromeos_update_engine