Add metrics

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>

compose/cli/docopt_command.py

@@ -17,10 +17,16 @@ class DocoptDispatcher:
         self.command_class = command_class
         self.options = options
 
+    @classmethod
+    def get_command_and_options(cls, doc_entity, argv, options):
+        command_help = getdoc(doc_entity)
+        opt = docopt_full_help(command_help, argv, **options)
+        command = opt['COMMAND']
+        return command_help, opt, command
+
     def parse(self, argv):
-        command_help = getdoc(self.command_class)
-        options = docopt_full_help(command_help, argv, **self.options)
-        command = options['COMMAND']
+        command_help, options, command = DocoptDispatcher.get_command_and_options(
+            self.command_class, argv, self.options)
 
         if command is None:
             raise SystemExit(command_help)

compose/cli/main.py

@@ -26,6 +26,7 @@ from ..config.serialize import serialize_config
 from ..config.types import VolumeSpec
 from ..const import IS_WINDOWS_PLATFORM
 from ..errors import StreamParseError
+from ..metrics.decorator import metrics
 from ..progress_stream import StreamOutputError
 from ..project import get_image_digests
 from ..project import MissingDigests
@@ -53,6 +54,8 @@ from .log_printer import LogPrinter
 from .utils import get_version_info
 from .utils import human_readable_file_size
 from .utils import yesno
+from compose.metrics.client import MetricsCommand
+from compose.metrics.client import Status
 
 
 if not IS_WINDOWS_PLATFORM:
@@ -62,36 +65,77 @@ log = logging.getLogger(__name__)
 console_handler = logging.StreamHandler(sys.stderr)
 
 
-def main():
+def main():  # noqa: C901
     signals.ignore_sigpipe()
+    command = None
     try:
-        command = dispatch()
-        command()
+        _, opts, command = DocoptDispatcher.get_command_and_options(
+            TopLevelCommand,
+            get_filtered_args(sys.argv[1:]),
+            {'options_first': True, 'version': get_version_info('compose')})
+    except Exception:
+        pass
+    try:
+        command_func = dispatch()
+        command_func()
     except (KeyboardInterrupt, signals.ShutdownException):
-        log.error("Aborting.")
-        sys.exit(1)
+        exit_with_metrics(command, "Aborting.", status=Status.FAILURE)
     except (UserError, NoSuchService, ConfigurationError,
             ProjectError, OperationFailedError) as e:
-        log.error(e.msg)
-        sys.exit(1)
+        exit_with_metrics(command, e.msg, status=Status.FAILURE)
     except BuildError as e:
         reason = ""
         if e.reason:
             reason = " : " + e.reason
-        log.error("Service '{}' failed to build{}".format(e.service.name, reason))
-        sys.exit(1)
+        exit_with_metrics(command,
+                          "Service '{}' failed to build{}".format(e.service.name, reason),
+                          status=Status.FAILURE)
     except StreamOutputError as e:
-        log.error(e)
-        sys.exit(1)
+        exit_with_metrics(command, e, status=Status.FAILURE)
     except NeedsBuildError as e:
-        log.error("Service '{}' needs to be built, but --no-build was passed.".format(e.service.name))
-        sys.exit(1)
+        exit_with_metrics(command,
+                          "Service '{}' needs to be built, but --no-build was passed.".format(
+                              e.service.name), status=Status.FAILURE)
     except NoSuchCommand as e:
         commands = "\n".join(parse_doc_section("commands:", getdoc(e.supercommand)))
-        log.error("No such command: %s\n\n%s", e.command, commands)
-        sys.exit(1)
+        exit_with_metrics(e.command, "No such command: {}\n\n{}".format(e.command, commands))
     except (errors.ConnectionError, StreamParseError):
-        sys.exit(1)
+        exit_with_metrics(command, status=Status.FAILURE)
+    except SystemExit as e:
+        status = Status.SUCCESS
+        if len(sys.argv) > 1 and '--help' not in sys.argv:
+            status = Status.FAILURE
+
+        if command and len(sys.argv) >= 3 and sys.argv[2] == '--help':
+            command = '--help ' + command
+
+        if not command and len(sys.argv) >= 2 and sys.argv[1] == '--help':
+            command = '--help'
+
+        msg = e.args[0] if len(e.args) else ""
+        code = 0
+        if isinstance(e.code, int):
+            code = e.code
+        exit_with_metrics(command, log_msg=msg, status=status,
+                          exit_code=code)
+
+
+def get_filtered_args(args):
+    if args[0] in ('-h', '--help'):
+        return []
+    if args[0] == '--version':
+        return ['version']
+
+
+def exit_with_metrics(command, log_msg=None, status=Status.SUCCESS, exit_code=1):
+    if log_msg:
+        if not exit_code:
+            log.info(log_msg)
+        else:
+            log.error(log_msg)
+
+    MetricsCommand(command, status=status).send_metrics()
+    sys.exit(exit_code)
 
 
 def dispatch():
@@ -133,8 +177,10 @@ def setup_logging():
     root_logger.addHandler(console_handler)
     root_logger.setLevel(logging.DEBUG)
 
-    # Disable requests logging
+    # Disable requests and docker-py logging
+    logging.getLogger("urllib3").propagate = False
     logging.getLogger("requests").propagate = False
+    logging.getLogger("docker").propagate = False
 
 
 def setup_parallel_logger(noansi):
@@ -254,6 +300,7 @@ class TopLevelCommand:
         environment_file = self.toplevel_options.get('--env-file')
         return Environment.from_env_file(self.project_dir, environment_file)
 
+    @metrics()
     def build(self, options):
         """
         Build or rebuild services.
@@ -305,6 +352,7 @@ class TopLevelCommand:
             progress=options.get('--progress'),
         )
 
+    @metrics()
     def config(self, options):
         """
         Validate and view the Compose file.
@@ -354,6 +402,7 @@ class TopLevelCommand:
 
         print(serialize_config(compose_config, image_digests, not options['--no-interpolate']))
 
+    @metrics()
     def create(self, options):
         """
         Creates containers for a service.
@@ -382,6 +431,7 @@ class TopLevelCommand:
             do_build=build_action_from_opts(options),
         )
 
+    @metrics()
     def down(self, options):
         """
         Stops containers and removes containers, networks, volumes, and images
@@ -450,6 +500,7 @@ class TopLevelCommand:
             print(formatter(event))
             sys.stdout.flush()
 
+    @metrics("exec")
     def exec_command(self, options):
         """
         Execute a command in a running container
@@ -526,6 +577,7 @@ class TopLevelCommand:
         sys.exit(exit_code)
 
     @classmethod
+    @metrics()
     def help(cls, options):
         """
         Get help on a command.
@@ -539,6 +591,7 @@ class TopLevelCommand:
 
         print(getdoc(subject))
 
+    @metrics()
     def images(self, options):
         """
         List images used by the created containers.
@@ -593,6 +646,7 @@ class TopLevelCommand:
             ])
         print(Formatter.table(headers, rows))
 
+    @metrics()
     def kill(self, options):
         """
         Force stop service containers.
@@ -607,6 +661,7 @@ class TopLevelCommand:
 
         self.project.kill(service_names=options['SERVICE'], signal=signal)
 
+    @metrics()
     def logs(self, options):
         """
         View output from containers.
@@ -643,6 +698,7 @@ class TopLevelCommand:
             event_stream=self.project.events(service_names=options['SERVICE']),
             keep_prefix=not options['--no-log-prefix']).run()
 
+    @metrics()
     def pause(self, options):
         """
         Pause services.
@@ -652,6 +708,7 @@ class TopLevelCommand:
         containers = self.project.pause(service_names=options['SERVICE'])
         exit_if(not containers, 'No containers to pause', 1)
 
+    @metrics()
     def port(self, options):
         """
         Print the public port for a port binding.
@@ -673,6 +730,7 @@ class TopLevelCommand:
             options['PRIVATE_PORT'],
             protocol=options.get('--protocol') or 'tcp') or '')
 
+    @metrics()
     def ps(self, options):
         """
         List containers.
@@ -729,6 +787,7 @@ class TopLevelCommand:
                 ])
             print(Formatter.table(headers, rows))
 
+    @metrics()
     def pull(self, options):
         """
         Pulls images for services defined in a Compose file, but does not start the containers.
@@ -752,6 +811,7 @@ class TopLevelCommand:
             include_deps=options.get('--include-deps'),
         )
 
+    @metrics()
     def push(self, options):
         """
         Pushes images for services.
@@ -766,6 +826,7 @@ class TopLevelCommand:
             ignore_push_failures=options.get('--ignore-push-failures')
         )
 
+    @metrics()
     def rm(self, options):
         """
         Removes stopped service containers.
@@ -810,6 +871,7 @@ class TopLevelCommand:
         else:
             print("No stopped containers")
 
+    @metrics()
     def run(self, options):
         """
         Run a one-off command on a service.
@@ -870,6 +932,7 @@ class TopLevelCommand:
             self.toplevel_options, self.toplevel_environment
         )
 
+    @metrics()
     def scale(self, options):
         """
         Set number of containers to run for a service.
@@ -898,6 +961,7 @@ class TopLevelCommand:
         for service_name, num in parse_scale_args(options['SERVICE=NUM']).items():
             self.project.get_service(service_name).scale(num, timeout=timeout)
 
+    @metrics()
     def start(self, options):
         """
         Start existing containers.
@@ -907,6 +971,7 @@ class TopLevelCommand:
         containers = self.project.start(service_names=options['SERVICE'])
         exit_if(not containers, 'No containers to start', 1)
 
+    @metrics()
     def stop(self, options):
         """
         Stop running containers without removing them.
@@ -922,6 +987,7 @@ class TopLevelCommand:
         timeout = timeout_from_opts(options)
         self.project.stop(service_names=options['SERVICE'], timeout=timeout)
 
+    @metrics()
     def restart(self, options):
         """
         Restart running containers.
@@ -936,6 +1002,7 @@ class TopLevelCommand:
         containers = self.project.restart(service_names=options['SERVICE'], timeout=timeout)
         exit_if(not containers, 'No containers to restart', 1)
 
+    @metrics()
     def top(self, options):
         """
         Display the running processes
@@ -963,6 +1030,7 @@ class TopLevelCommand:
             print(container.name)
             print(Formatter.table(headers, rows))
 
+    @metrics()
     def unpause(self, options):
         """
         Unpause services.
@@ -972,6 +1040,7 @@ class TopLevelCommand:
         containers = self.project.unpause(service_names=options['SERVICE'])
         exit_if(not containers, 'No containers to unpause', 1)
 
+    @metrics()
     def up(self, options):
         """
         Builds, (re)creates, starts, and attaches to containers for a service.
@@ -1122,6 +1191,7 @@ class TopLevelCommand:
                 sys.exit(exit_code)
 
     @classmethod
+    @metrics()
     def version(cls, options):
         """
         Show version information and quit.

compose/metrics/client.py

@@ -0,0 +1,55 @@
+import os
+from enum import Enum
+
+import requests
+from docker import ContextAPI
+from docker.transport import UnixHTTPAdapter
+
+from compose.const import IS_WINDOWS_PLATFORM
+
+
+class Status(Enum):
+    SUCCESS = "success"
+    FAILURE = "failure"
+    CANCELED = "canceled"
+
+
+class MetricsSource:
+    CLI = "docker-compose"
+
+
+if IS_WINDOWS_PLATFORM:
+    METRICS_SOCKET_FILE = 'http+unix://\\\\.\\pipe\\docker_cli'
+else:
+    METRICS_SOCKET_FILE = 'http+unix:///var/run/metrics-docker-cli.sock'
+
+
+class MetricsCommand(requests.Session):
+    """
+    Representation of a command in the metrics.
+    """
+
+    def __init__(self, command,
+                 context_type=None, status=Status.SUCCESS,
+                 source=MetricsSource.CLI, uri=None):
+        super().__init__()
+        self.command = "compose " + command if command else "compose --help"
+        self.context = context_type or ContextAPI.get_current_context().context_type or 'moby'
+        self.source = source
+        self.status = status.value
+        self.uri = uri or os.environ.get("METRICS_SOCKET_FILE", METRICS_SOCKET_FILE)
+        self.mount("http+unix://", UnixHTTPAdapter(self.uri))
+
+    def send_metrics(self):
+        try:
+            return self.post("http+unix://localhost/", json=self.to_map(), timeout=.05)
+        except Exception as e:
+            return e
+
+    def to_map(self):
+        return {
+            'command': self.command,
+            'context': self.context,
+            'source': self.source,
+            'status': self.status,
+        }

compose/metrics/decorator.py

@@ -0,0 +1,21 @@
+import functools
+
+from compose.metrics.client import MetricsCommand
+from compose.metrics.client import Status
+
+
+class metrics:
+    def __init__(self, command_name=None):
+        self.command_name = command_name
+
+    def __call__(self, fn):
+        @functools.wraps(fn,
+                         assigned=functools.WRAPPER_ASSIGNMENTS,
+                         updated=functools.WRAPPER_UPDATES)
+        def wrapper(*args, **kwargs):
+            if not self.command_name:
+                self.command_name = fn.__name__
+            result = fn(*args, **kwargs)
+            MetricsCommand(self.command_name, status=Status.SUCCESS).send_metrics()
+            return result
+        return wrapper

script/test/all

@@ -21,6 +21,7 @@ elif [ "$DOCKER_VERSIONS" == "all" ]; then
   DOCKER_VERSIONS=$($get_versions -n 2 recent)
 fi
 
+DOCKER_VERSIONS=19.03.14
 
 BUILD_NUMBER=${BUILD_NUMBER-$USER}
 PY_TEST_VERSIONS=${PY_TEST_VERSIONS:-py39}

tests/acceptance/cli_test.py

@@ -58,13 +58,16 @@ COMPOSE_COMPATIBILITY_DICT = {
 }
 
 
-def start_process(base_dir, options):
+def start_process(base_dir, options, executable=None, env=None):
+    executable = executable or DOCKER_COMPOSE_EXECUTABLE
     proc = subprocess.Popen(
-        [DOCKER_COMPOSE_EXECUTABLE] + options,
+        [executable] + options,
         stdin=subprocess.PIPE,
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,
-        cwd=base_dir)
+        cwd=base_dir,
+        env=env,
+    )
     print("Running process: %s" % proc.pid)
     return proc
 
@@ -78,9 +81,10 @@ def wait_on_process(proc, returncode=0, stdin=None):
     return ProcessResult(stdout.decode('utf-8'), stderr.decode('utf-8'))
 
 
-def dispatch(base_dir, options, project_options=None, returncode=0, stdin=None):
+def dispatch(base_dir, options,
+             project_options=None, returncode=0, stdin=None, executable=None, env=None):
     project_options = project_options or []
-    proc = start_process(base_dir, project_options + options)
+    proc = start_process(base_dir, project_options + options, executable=executable, env=env)
     return wait_on_process(proc, returncode=returncode, stdin=stdin)
 
 

tests/integration/metrics_test.py

@@ -0,0 +1,125 @@
+import logging
+import os
+import socket
+from http.server import BaseHTTPRequestHandler
+from http.server import HTTPServer
+from threading import Thread
+
+import requests
+from docker.transport import UnixHTTPAdapter
+
+from tests.acceptance.cli_test import dispatch
+from tests.integration.testcases import DockerClientTestCase
+
+
+TEST_SOCKET_FILE = '/tmp/test-metrics-docker-cli.sock'
+
+
+class MetricsTest(DockerClientTestCase):
+    test_session = requests.sessions.Session()
+    test_env = None
+    base_dir = 'tests/fixtures/v3-full'
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        MetricsTest.test_session.mount("http+unix://", UnixHTTPAdapter(TEST_SOCKET_FILE))
+        MetricsTest.test_env = os.environ.copy()
+        MetricsTest.test_env['METRICS_SOCKET_FILE'] = TEST_SOCKET_FILE
+        MetricsServer().start()
+
+    @classmethod
+    def test_metrics_help(cls):
+        # root `docker-compose` command is considered as a `--help`
+        dispatch(cls.base_dir, [], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose --help", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['help', 'run'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose help", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['--help'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose --help", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['run', '--help'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose --help run", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['up', '--help', 'extra_args'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose --help up", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+
+    @classmethod
+    def test_metrics_simple_commands(cls):
+        dispatch(cls.base_dir, ['ps'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose ps", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['version'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose version", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "success"}'
+        dispatch(cls.base_dir, ['version', '--yyy'], env=MetricsTest.test_env)
+        assert cls.get_content() == \
+               b'{"command": "compose version", "context": "moby", ' \
+               b'"source": "docker-compose", "status": "failure"}'
+
+    @staticmethod
+    def get_content():
+        resp = MetricsTest.test_session.get("http+unix://localhost")
+        print(resp.content)
+        return resp.content
+
+
+def start_server(uri=TEST_SOCKET_FILE):
+    try:
+        os.remove(uri)
+    except OSError:
+        pass
+    httpd = HTTPServer(uri, MetricsHTTPRequestHandler, False)
+    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    sock.bind(TEST_SOCKET_FILE)
+    sock.listen(0)
+    httpd.socket = sock
+    print('Serving on ', uri)
+    httpd.serve_forever()
+    sock.shutdown(socket.SHUT_RDWR)
+    sock.close()
+    os.remove(uri)
+
+
+class MetricsServer:
+    @classmethod
+    def start(cls):
+        t = Thread(target=start_server, daemon=True)
+        t.start()
+
+
+class MetricsHTTPRequestHandler(BaseHTTPRequestHandler):
+    usages = []
+
+    def do_GET(self):
+        self.client_address = ('',)  # avoid exception in BaseHTTPServer.py log_message()
+        self.send_response(200)
+        self.end_headers()
+        for u in MetricsHTTPRequestHandler.usages:
+            self.wfile.write(u)
+        MetricsHTTPRequestHandler.usages = []
+
+    def do_POST(self):
+        self.client_address = ('',)  # avoid exception in BaseHTTPServer.py log_message()
+        content_length = int(self.headers['Content-Length'])
+        body = self.rfile.read(content_length)
+        print(body)
+        MetricsHTTPRequestHandler.usages.append(body)
+        self.send_response(200)
+        self.end_headers()
+
+
+if __name__ == '__main__':
+    logging.getLogger("urllib3").propagate = False
+    logging.getLogger("requests").propagate = False
+    start_server()

tests/integration/testcases.py

@@ -61,6 +61,7 @@ class DockerClientTestCase(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
+        cls.client.close()
         del cls.client
 
     def tearDown(self):

tests/unit/metrics/metrics_test.py

@@ -0,0 +1,36 @@
+import unittest
+
+from compose.metrics.client import MetricsCommand
+from compose.metrics.client import Status
+
+
+class MetricsTest(unittest.TestCase):
+    @classmethod
+    def test_metrics(cls):
+        assert MetricsCommand('up', 'moby').to_map() == {
+            'command': 'compose up',
+            'context': 'moby',
+            'status': 'success',
+            'source': 'docker-compose',
+        }
+
+        assert MetricsCommand('down', 'local').to_map() == {
+            'command': 'compose down',
+            'context': 'local',
+            'status': 'success',
+            'source': 'docker-compose',
+        }
+
+        assert MetricsCommand('help', 'aci', Status.FAILURE).to_map() == {
+            'command': 'compose help',
+            'context': 'aci',
+            'status': 'failure',
+            'source': 'docker-compose',
+        }
+
+        assert MetricsCommand('run', 'ecs').to_map() == {
+            'command': 'compose run',
+            'context': 'ecs',
+            'status': 'success',
+            'source': 'docker-compose',
+        }