def add_keys_to_zbi(fuchsia_resources_dir, initrd_path, fuchsia_zbi):
"""Adds keys to the ZBI so we can SSH into it. See:
fuchsia.googlesource.com/fuchsia/+/refs/heads/master/sdk/docs/ssh.md"""
zbi_tool = os.path.join(fuchsia_resources_dir, 'build', 'out',
'default.zircon', 'tools', 'zbi')
os.chmod(zbi_tool, 0o500)
authorized_keys_path = os.path.join(fuchsia_resources_dir, '.ssh',
'authorized_keys')
process = new_process.ProcessRunner(zbi_tool, [
'-o', initrd_path, fuchsia_zbi, '-e',
'data/ssh/authorized_keys=' + authorized_keys_path
])
result = process.run_and_wait()
if result.return_code or result.timed_out:
raise errors.FuchsiaSdkError('Failed to add keys to Fuchsia ZBI: ' +
result.output)
os.chmod(initrd_path, 0o644)
def initialize_resources_dir():
"""Download Fuchsia QEMU resources from GCS bucket."""
# This module depends on multiprocessing, which is not available in
# appengine, and since appengine *imports* this file (but does not run this
# function!), we import it here.
from google_cloud_utils import gsutil
resources_dir = environment.get_value('RESOURCES_DIR')
if not resources_dir:
raise errors.FuchsiaConfigError('Could not find RESOURCES_DIR')
fuchsia_resources_dir = os.path.join(resources_dir, 'fuchsia')
shell.create_directory(fuchsia_resources_dir,
create_intermediates=True,
recreate=True)
# Bucket for QEMU resources.
fuchsia_resources_url = environment.get_value('FUCHSIA_BUILD_URL')
if not fuchsia_resources_url:
raise errors.FuchsiaConfigError(
'Could not find path for remote'
'Fuchsia resources bucket (FUCHSIA_BUILD_URL')
gsutil_command_arguments = [
'-m', 'cp', '-r', fuchsia_resources_url, fuchsia_resources_dir
]
logs.log("Fetching Fuchsia build.")
result = gsutil.GSUtilRunner().run_gsutil(gsutil_command_arguments)
if result.return_code or result.timed_out:
raise errors.FuchsiaSdkError('Failed to download Fuchsia '
'resources: ' + result.output)
# Chmod the symbolizers so they can be used easily.
symbolizer_path = os.path.join(fuchsia_resources_dir, 'build', 'zircon',
'prebuilt', 'downloads', 'symbolize',
'linux-x64', 'symbolize')
llvm_symbolizer_path = os.path.join(fuchsia_resources_dir, 'build',
'buildtools', 'linux-x64', 'clang',
'bin', 'llvm-symbolizer')
os.chmod(symbolizer_path, 0o111)
os.chmod(llvm_symbolizer_path, 0o111)
logs.log("Fuchsia build download complete.")
return fuchsia_resources_dir
def extend_fvm(fuchsia_resources_dir, orig_drive_path, drive_path):
"""The FVM is minimally sized to begin with; make an extended copy
of it to make room for ephemeral packages etc."""
fvm_tool_path = os.path.join(fuchsia_resources_dir, 'build', 'out',
'default.zircon', 'tools', 'fvm')
os.chmod(fvm_tool_path, 0o500)
# Since the fvm tool modifies the image in place, make a copy so the build
# isn't mutated (required for running undercoat on a cached build previously
# affected by this legacy codepath)
shutil.copy(orig_drive_path, drive_path)
process = new_process.ProcessRunner(
fvm_tool_path, [drive_path, 'extend', '--length', '3G'])
result = process.run_and_wait()
if result.return_code or result.timed_out:
raise errors.FuchsiaSdkError('Failed to extend FVM: ' + result.output)
os.chmod(drive_path, 0o644)
def add_keys_to_zbi(fuchsia_resources_dir, initrd_path, fuchsia_zbi):
"""Adds keys to the ZBI so we can SSH into it. See:
fuchsia.googlesource.com/fuchsia/+/refs/heads/master/sdk/docs/ssh.md"""
zbi_tool = os.path.join(fuchsia_resources_dir, "build", "out",
"default.zircon", "tools", "zbi")
os.chmod(zbi_tool, 0o500)
authorized_keys_path = os.path.join(fuchsia_resources_dir, ".ssh",
"authorized_keys")
process = new_process.ProcessRunner(
zbi_tool,
[
"-o",
initrd_path,
fuchsia_zbi,
"-e",
"data/ssh/authorized_keys=" + authorized_keys_path,
],
)
result = process.run_and_wait()
if result.return_code or result.timed_out:
raise errors.FuchsiaSdkError("Failed to add keys to Fuchsia ZBI: " +
result.output)
os.chmod(initrd_path, 0o644)
