class DockerDevice(object):
"""A Docker Device is capable of creating and launching docker images.
In order to successfully create and launch a docker image you must either
run this as root, or have enabled sudoless docker.
"""
TAG_REGEX = re.compile(r"[a-zA-Z0-9][a-zA-Z0-9._-]*:?[a-zA-Z0-9._-]*")
GPU_BASEIMG = (
"FROM nvidia/opengl:1.0-glvnd-runtime-ubuntu18.04 AS emulator\n" +
"ENV NVIDIA_DRIVER_CAPABILITIES ${NVIDIA_DRIVER_CAPABILITIES},display")
DEFAULT_BASE_IMG = "FROM debian:stretch-slim AS emulator"
def __init__(self,
emulator,
sysimg,
dest_dir,
gpu=False,
repo="",
tag="",
name=""):
self.sysimg = AndroidReleaseZip(sysimg)
self.emulator = AndroidReleaseZip(emulator)
self.dest = dest_dir
self.writer = TemplateWriter(dest_dir)
if repo and repo[-1] != "/":
repo += "/"
if not name:
name = self.sysimg.repo_friendly_name()
repo += name
if gpu:
repo += "-gpu"
if not tag:
tag = self.emulator.build_id()
self.tag = "{}:{}".format(repo, tag)
if not self.TAG_REGEX.match(self.tag):
raise Exception("The resulting tag: {} is not a valid docker tag.",
self.tag)
# The following are only set after creating/launching.
self.container = None
self.identity = None
self.base_img = DockerDevice.DEFAULT_BASE_IMG
if gpu:
self.base_img = DockerDevice.GPU_BASEIMG
def push(self, sha, latest=False):
repo, tag = self.tag.rsplit(":", 1)
print("Pushing docker image: {}.. be patient this can take a while!".
format(self.tag))
tracker = ProgressTracker()
try:
client = docker.from_env()
result = client.images.push(repo, tag, stream=True, decode=True)
for entry in result:
tracker.update(entry)
except:
logging.exception("Failed to push image.", exc_info=True)
logging.warning("You can manually push the image as follows:")
logging.warning("docker push {}".format(self.tag))
def _copy_adb_to(self, dest):
"""Find adb, or download it if needed."""
logging.info("Retrieving platform-tools")
tools = PlatformTools()
tools.extract_adb(dest)
def _read_adb_key(self):
adb_path = os.path.expanduser("~/.android/adbkey")
if os.path.exists(adb_path):
with open(adb_path, "r") as adb:
return adb.read()
return ""
def get_api_client(self):
try:
api_client = docker.APIClient()
logging.info(api_client.version())
return api_client
except:
logging.exception(
"Failed to create default client, trying domain socket.",
exc_info=True)
api_client = docker.APIClient(base_url="unix://var/run/docker.sock")
logging.info(api_client.version())
return api_client
def create_container(self):
"""Creates the docker container, returning the sha of the container, or None in case of failure."""
identity = None
print("Creating docker image: {}.. be patient this can take a while!".
format(self.tag))
try:
logging.info("build(path=%s, tag=%s, rm=True, decode=True)",
self.dest, self.tag)
api_client = self.get_api_client()
result = api_client.build(path=self.dest,
tag=self.tag,
rm=True,
decode=True)
for entry in result:
if "stream" in entry:
sys.stdout.write(entry["stream"])
if "aux" in entry and "ID" in entry["aux"]:
identity = entry["aux"]["ID"]
except:
logging.exception("Failed to create container.", exc_info=True)
logging.warning(
"You can manually create the container as follows:")
logging.warning("docker build {}".format(self.dest))
self.identity = identity
return identity
def create_cloud_build_step(self):
return {
"name": "gcr.io/cloud-builders/docker",
"args": ["build", "-t", self.tag,
os.path.basename(self.dest)]
}
def launch(self, image_sha, port=5555):
"""Launches the container with the given sha, publishing abd on port, and grpc on port 8554
Returns the container.
"""
client = docker.from_env()
try:
container = client.containers.run(
image=image_sha,
privileged=True,
publish_all_ports=True,
detach=True,
ports={
"5555/tcp": port,
"8554/tcp": 8554
},
environment={"ADBKEY": self._read_adb_key()},
)
self.container = container
print("Launched {} (id:{})".format(container.name, container.id))
print("docker logs -f {}".format(container.name))
print("docker stop {}".format(container.name))
return container
except:
logging.exception("Unable to run the %s", image_sha)
print("Unable to start the container, try running it as:")
print("./run.sh {}", image_sha)
def bin_place_emulator_files(self, by_copying_zip_files):
"""Bin places the emulator files for the docker file."""
if by_copying_zip_files:
logging.info("Copying zips to docker src dir: %s", self.dest)
shutil.copy2(self.emulator.fname, self.dest)
shutil.copy2(self.sysimg.fname, self.dest)
logging.info("Done copying")
else:
logging.info("Unzipping zips to docker src dir: %s", self.dest)
extract_zip(self.emulator.fname, os.path.join(self.dest, "emu"))
extract_zip(self.sysimg.fname, os.path.join(self.dest, "sys"))
logging.info("Done unzipping")
def create_docker_file(self,
extra="",
metrics=False,
by_copying_zip_files=False):
logging.info("Emulator zip: %s", self.emulator)
logging.info("Sysimg zip: %s", self.sysimg)
logging.info("Docker src dir: %s", self.dest)
date = datetime.datetime.utcnow().isoformat("T") + "Z"
# Make sure the destination directory is empty.
if os.path.exists(self.dest):
shutil.rmtree(self.dest)
mkdir_p(self.dest)
self.bin_place_emulator_files(by_copying_zip_files)
self._copy_adb_to(self.dest)
self.writer.write_template("avd/Pixel2.ini",
{"api": self.sysimg.api()})
self.writer.write_template(
"avd/Pixel2.avd/config.ini",
{
"playstore": self.sysimg.tag() == "google_apis_playstore",
"abi": self.sysimg.abi(),
"cpu": self.sysimg.cpu(),
"tag": self.sysimg.tag(),
},
)
metrics_msg = NO_METRICS_MESSAGE
# Only version 29.3.1 >= can collect metrics.
if metrics and version.parse(
self.emulator.revision()) >= version.parse("29.3.1"):
extra += " -metrics-collection"
metrics_msg = METRICS_MESSAGE
# Include a README.MD message.
self.writer.write_template(
"emulator.README.MD",
{
"metrics": metrics_msg,
"dessert": self.sysimg.codename(),
"tag": self.sysimg.tag(),
"container_id": self.tag,
"emu_build_id": self.emulator.build_id(),
},
rename_as="README.MD",
)
extra += " {}".format(self.sysimg.logger_flags())
self.writer.write_template("launch-emulator.sh", {
"extra": extra,
"version": emu.__version__
})
self.writer.write_template("default.pa", {})
src_template = "Dockerfile.from_zip" if by_copying_zip_files else "Dockerfile"
self.writer.write_template(
src_template,
{
"user":
"******".format(os.environ.get("USER", "unknown"),
socket.gethostname()),
"tag":
self.sysimg.tag(),
"api":
self.sysimg.api(),
"abi":
self.sysimg.abi(),
"cpu":
self.sysimg.cpu(),
"gpu":
self.sysimg.gpu(),
"emu_zip":
os.path.basename(self.emulator.fname),
"emu_build_id":
self.emulator.build_id(),
"sysimg_zip":
os.path.basename(self.sysimg.fname),
"date":
date,
"from_base_img":
self.base_img,
},
rename_as="Dockerfile",
)
class DockerDevice(object):
"""A Docker Device is capable of creating and launching docker images.
In order to successfully create and launch a docker image you must either
run this as root, or have enabled sudoless docker.
"""
TAG_REGEX = re.compile(r"[a-zA-Z0-9][a-zA-Z0-9._-]*:?[a-zA-Z0-9._-]*")
def __init__(self, emulator, sysimg, dest_dir, tag=""):
self.sysimg = AndroidReleaseZip(sysimg)
self.emulator = AndroidReleaseZip(emulator)
self.dest = dest_dir
self.env = Environment(loader=PackageLoader("emu", "templates"))
if not tag:
tag = "{}-{}-{}-{}-{}".format(self.sysimg.tag(), self.sysimg.api(),
self.sysimg.codename(),
self.sysimg.abi(),
self.emulator.revision())
self.tag = tag.replace(" ", "_")
self.tag = "aemu:{}".format(tag)
if not self.TAG_REGEX.match(self.tag):
raise Exception("The resulting tag: {} is not a valid docker tag.",
self.tag)
# The following are only set after creating/launching.
self.container = None
self.identity = None
def _copy_adb_to(self, dest):
"""Find adb, or download it if needed."""
logging.info("Retrieving platform-tools")
tools = PlatformTools()
tools.extract_adb(dest)
def _read_adb_key(self):
adb_path = os.path.expanduser("~/.android/adbkey")
if os.path.exists(adb_path):
with open(adb_path, "r") as adb:
return adb.read()
return ""
def _write_template(self, tmpl_file, template_dict):
"""Loads the the given template, writing it out to the dest_dir.
Note: the template will be written {dest_dir}/{tmpl_file},
directories will be created if the do not yet exist.
"""
dest = os.path.join(self.dest, tmpl_file)
dest_dir = os.path.dirname(dest)
mkdir_p(dest_dir)
logging.info("Writing: %s with %s", dest, template_dict)
template = self.env.get_template(tmpl_file)
with open(dest, "w") as dfile:
dfile.write(template.render(template_dict))
def get_api_client(self):
try:
api_client = docker.APIClient()
logging.info(api_client.version())
return api_client
except:
logging.exception(
"Failed to create default client, trying domain socket.",
exc_info=True)
api_client = docker.APIClient(base_url="unix://var/run/docker.sock")
logging.info(api_client.version())
return api_client
def create_container(self):
"""Creates the docker container, returning the sha of the container, or None in case of failure."""
identity = None
print("Creating docker image: {}.. be patient this can take a while!".
format(self.tag))
try:
logging.info("build(path=%s, tag=%s, rm=True, decode=True)",
self.dest, self.tag)
api_client = self.get_api_client()
result = api_client.build(path=self.dest,
tag=self.tag,
rm=True,
decode=True)
for entry in result:
if "stream" in entry:
sys.stdout.write(entry["stream"])
if "aux" in entry and "ID" in entry["aux"]:
identity = entry["aux"]["ID"]
except:
logging.exception("Failed to create container.", exc_info=True)
print("You can manually create the container as follows:")
print("docker build {}".format(self.dest))
self.identity = identity
return identity
def launch(self, image_sha, port=5555):
"""Launches the container with the given sha, publishing abd on port, and grpc on port + 1.
Returns the container.
"""
client = docker.from_env()
try:
container = client.containers.run(
image=image_sha,
privileged=True,
publish_all_ports=True,
detach=True,
ports={
"5555/tcp": port,
"5556/tcp": port + 1
},
environment={"ADBKEY": self._read_adb_key()},
)
self.container = container
print("Launched {} (id:{})".format(container.name, container.id))
print("docker logs -f {}".format(container.name))
print("docker stop {}".format(container.name))
return container
except:
logging.exception("Unable to run the %s", image_sha)
print("Unable to start the container, try running it as:")
print("./run.sh {}", image_sha)
def create_docker_file(self, extra=""):
logging.info("Emulator zip: %s", self.emulator)
logging.info("Sysimg zip: %s", self.sysimg)
logging.info("Docker src dir: %s", self.dest)
date = datetime.datetime.utcnow().isoformat("T") + "Z"
# Make sure the destination directory is empty.
if os.path.exists(self.dest):
shutil.rmtree(self.dest)
mkdir_p(self.dest)
logging.info("Copying zips to docker src dir: %s", self.dest)
shutil.copy2(self.emulator.fname, self.dest)
shutil.copy2(self.sysimg.fname, self.dest)
logging.info("Done copying")
self._copy_adb_to(self.dest)
self._write_template("avd/Pixel2.ini", {"api": self.sysimg.api()})
self._write_template(
"avd/Pixel2.avd/config.ini",
{
"playstore": self.sysimg.tag() == "google_apis_playstore",
"abi": self.sysimg.abi(),
"cpu": self.sysimg.cpu(),
"tag": self.sysimg.tag(),
},
)
extra += " {}".format(self.sysimg.logger_flags())
self._write_template("launch-emulator.sh", {
"extra": extra,
"version": emu.__version__
})
self._write_template("default.pa", {})
self._write_template(
"Dockerfile",
{
"user":
"******".format(os.environ.get("USER", "unknown"),
socket.gethostname()),
"tag":
self.sysimg.tag(),
"api":
self.sysimg.api(),
"abi":
self.sysimg.abi(),
"cpu":
self.sysimg.cpu(),
"gpu":
self.sysimg.gpu(),
"emu_zip":
os.path.basename(self.emulator.fname),
"emu_build_id":
self.emulator.revision(),
"sysimg_zip":
os.path.basename(self.sysimg.fname),
"date":
date,
},
)