This is the integration tests for Over the Air (OTA) updates. At a high level, it downloads a package from the package repository, and attempts to update a device to that version. It verifies a successful OTA by checking if the /config/build-info/snapshot file is what we expect.
This test is designed to be run against any system that is discoverable by the zircon tool netaddr. To run, first you will need a running vanilla version of Fuchsia, either on a device or in QEMU (see below for notes about this). Then, you will need to build fuchsia with an extra test package that will be included into the system image. You can do this by running:
% fx set core.x64 \ --with-base //third_party/sbase:cat \ --with-base //third_party/sbase:ls \ --with //garnet/packages/tests:system_ota_tests % fx build
Next, you need to authenticate against luci to be able to download build artifacts. Install chromium's
depot_tools by following these instructions. Then, login to luci by running:
% cd depot_tools % ./luci-auth login -scopes "https://www.googleapis.com/auth/devstorage.read_write" ...
Now, you should be able to run the tests with:
~/fuchsia/out/default/host_x64/system_ota_tests_upgrade \ -ssh-private-key ~/fuchsia/.ssh/pkey \ -downgrade-builder-name fuchsia/ci/fuchsia-x64-release \ -upgrade-amber-files $FUCHSIA_BUILD_DIR/amber-files
This will run through the whole test. There are more options to the test, to see them all run
~/fuchsia/out/default/host_x64/system_ota_tests_upgrade -- -h.
At the moment, the builtin
fx run does not bring up a QEMU image that can be OTA-ed. Until this is implemented, the
bin/ directory contains some helper scripts that bring up an OTA-able QEMU image. Follow these instructions to use them.
First you need to build or install the OVMF UEFI firmware. On Debian, this can be done with:
% apt install ovmf
Next, you need to create an EFI Fuchsia image. This can be done by running:
% mkdir /tmp/ota-test % ./bin/make-vol.sh \ --image /tmp/ota-test/fuchsia-efi.bin
This script is just a wrapper around
fx make-fuchsia-vol to simplify creating an image that's appropriate for OTA testing.
Finally, run QEMU with:
% ./bin/run-qemu.sh \ --ovmf-dir /usr/share/OVMF \ --image /tmp/ota-test/fuchsia-efi.bin
Note: run-qemu.sh expects to find
OVMF_VARS.fd in the
One thing to note, by default, you won't see any terminal output in QEMU after an OTA. To restore this behavior, you need an extra build argument to send output to the terminal:
% fx set core.x64 \ --with-base //third_party/sbase:cat \ --with-base //third_party/sbase:ls \ --with //garnet/packages/tests:system_ota_tests \ --args 'kernel_cmdline_args=["kernel.serial=legacy"]' % fx build
With all that setup, you now should be able to test your OTAs.