#!/usr/bin/env python
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#
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# Copyright 2018 - The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""A client that manages Cuttlefish Virtual Device on compute engine.
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** CvdComputeClient **
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CvdComputeClient derives from AndroidComputeClient. It manges a google
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compute engine project that is setup for running Cuttlefish Virtual Devices.
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It knows how to create a host instance from Cuttlefish Stable Host Image, fetch
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Android build, and start Android within the host instance.
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** Class hierarchy **
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base_cloud_client.BaseCloudApiClient
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^
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gcompute_client.ComputeClient
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^
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android_compute_client.AndroidComputeClient
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^
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cvd_compute_client.CvdComputeClient
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"""
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import getpass
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import logging
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from acloud.internal import constants
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from acloud.internal.lib import android_compute_client
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from acloud.internal.lib import gcompute_client
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from acloud.internal.lib import utils
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logger = logging.getLogger(__name__)
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class CvdComputeClient(android_compute_client.AndroidComputeClient):
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"""Client that manages Anadroid Virtual Device."""
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DATA_POLICY_CREATE_IF_MISSING = "create_if_missing"
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# TODO: refactor CreateInstance to take in an object that contains these
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# args, this method differs too and holds way too cf-specific args to put in
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# the parent method.
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# pylint: disable=arguments-differ,too-many-locals
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@utils.TimeExecute(function_description="Creating GCE instance")
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def CreateInstance(self, instance, image_name, image_project,
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build_target=None, branch=None, build_id=None,
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kernel_branch=None, kernel_build_id=None,
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blank_data_disk_size_gb=None, avd_spec=None,
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extra_scopes=None):
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"""Create a cuttlefish instance given stable host image and build id.
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Args:
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instance: instance name.
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image_name: A string, the name of the GCE image.
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image_project: A string, name of the project where the image lives.
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Assume the default project if None.
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build_target: Target name, e.g. "aosp_cf_x86_phone-userdebug"
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branch: Branch name, e.g. "aosp-master"
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build_id: Build id, a string, e.g. "2263051", "P2804227"
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kernel_branch: Kernel branch name, e.g. "kernel-common-android-4.14"
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kernel_build_id: Kernel build id, a string, e.g. "223051", "P280427"
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blank_data_disk_size_gb: Size of the blank data disk in GB.
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avd_spec: An AVDSpec instance.
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extra_scopes: A list of extra scopes to be passed to the instance.
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"""
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self._CheckMachineSize()
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# A blank data disk would be created on the host. Make sure the size of
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# the boot disk is large enough to hold it.
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boot_disk_size_gb = (
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int(self.GetImage(image_name, image_project)["diskSizeGb"]) +
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blank_data_disk_size_gb)
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disk_args = self._GetDiskArgs(
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instance, image_name, image_project, boot_disk_size_gb)
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# Transitional metadata variable as outlined in go/cuttlefish-deployment
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# These metadata tell the host instance to fetch and launch one
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# cuttlefish device (cvd-01). Ideally we should use a separate tool to
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# manage CVD devices on the host instance and not through metadata.
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# TODO(b/77626419): Remove these metadata once the
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# cuttlefish-google.service is turned off on the host instance.
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metadata = self._metadata.copy()
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metadata["cvd_01_fetch_android_build_target"] = build_target
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metadata["cvd_01_fetch_android_bid"] = "{branch}/{build_id}".format(
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branch=branch, build_id=build_id)
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if kernel_branch and kernel_build_id:
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metadata["cvd_01_fetch_kernel_bid"] = "{branch}/{build_id}".format(
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branch=kernel_branch, build_id=kernel_build_id)
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metadata["cvd_01_launch"] = (self._launch_args
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if self._launch_args else "1")
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# The cuttlefish-google tools changed the usage of this cvd_01_launch
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# variable. For the local image, we remove the cvd_01_launch from
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# metadata to tell server not to launch cvd while instance is booted
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# up.
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if avd_spec and avd_spec.image_source == constants.IMAGE_SRC_LOCAL:
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metadata.pop("cvd_01_launch", None)
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if blank_data_disk_size_gb > 0:
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# Policy 'create_if_missing' would create a blank userdata disk if
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# missing. If already exist, reuse the disk.
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metadata["cvd_01_data_policy"] = self.DATA_POLICY_CREATE_IF_MISSING
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metadata["cvd_01_blank_data_disk_size"] = str(
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blank_data_disk_size_gb * 1024)
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metadata["user"] = getpass.getuser()
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# Update metadata by avd_spec
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# for legacy create_cf cmd, we will keep using resolution.
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# And always use avd_spec for acloud create cmd.
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# TODO(b/118406018): deprecate resolution config and use hw_proprty for
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# all create cmds.
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if avd_spec:
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metadata[constants.INS_KEY_AVD_TYPE] = avd_spec.avd_type
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metadata[constants.INS_KEY_AVD_FLAVOR] = avd_spec.flavor
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metadata["cvd_01_x_res"] = avd_spec.hw_property[constants.HW_X_RES]
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metadata["cvd_01_y_res"] = avd_spec.hw_property[constants.HW_Y_RES]
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metadata["cvd_01_dpi"] = avd_spec.hw_property[constants.HW_ALIAS_DPI]
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metadata["cvd_01_blank_data_disk_size"] = avd_spec.hw_property[
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constants.HW_ALIAS_DISK]
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# Use another METADATA_DISPLAY to record resolution which will be
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# retrieved in acloud list cmd. We try not to use cvd_01_x_res
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# since cvd_01_xxx metadata is going to deprecated by cuttlefish.
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metadata[constants.INS_KEY_DISPLAY] = ("%sx%s (%s)" % (
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avd_spec.hw_property[constants.HW_X_RES],
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avd_spec.hw_property[constants.HW_Y_RES],
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avd_spec.hw_property[constants.HW_ALIAS_DPI]))
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else:
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resolution = self._resolution.split("x")
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metadata["cvd_01_dpi"] = resolution[3]
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metadata["cvd_01_x_res"] = resolution[0]
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metadata["cvd_01_y_res"] = resolution[1]
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# Add per-instance ssh key
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if self._ssh_public_key_path:
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rsa = self._LoadSshPublicKey(self._ssh_public_key_path)
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logger.info("ssh_public_key_path is specified in config: %s, "
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"will add the key to the instance.",
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self._ssh_public_key_path)
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metadata["sshKeys"] = "%s:%s" % (getpass.getuser(), rsa)
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else:
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logger.warning(
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"ssh_public_key_path is not specified in config, "
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"only project-wide key will be effective.")
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# Add labels for giving the instances ability to be filter for
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# acloud list/delete cmds.
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labels = {constants.LABEL_CREATE_BY: getpass.getuser()}
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gcompute_client.ComputeClient.CreateInstance(
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self,
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instance=instance,
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image_name=image_name,
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image_project=image_project,
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disk_args=disk_args,
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metadata=metadata,
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machine_type=self._machine_type,
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network=self._network,
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zone=self._zone,
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labels=labels,
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extra_scopes=extra_scopes)
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