Add volumes option to docker.compose.run() (#663)

python_on_whales/components/compose/cli_wrapper.py

@@ -8,6 +8,7 @@
 from typing_extensions import Literal
 
 import python_on_whales.components.container.cli_wrapper
+import python_on_whales.components.volume.cli_wrapper
 from python_on_whales.client_config import DockerCLICaller
 from python_on_whales.components.compose.models import ComposeConfig, ComposeProject
 from python_on_whales.utils import (
@@ -677,7 +678,9 @@ def run(
         service_ports: bool = False,
         use_aliases: bool = False,
         user: Optional[str] = None,
-        # volumes: bool = "todo",
+        volumes: Iterable[
+            python_on_whales.components.volume.cli_wrapper.VolumeDefinition
+        ] = (),
         workdir: Union[None, str, Path] = None,
     ) -> Union[
         str,
@@ -703,6 +706,8 @@ def run(
                 to write on it.
             stream: Similar to `docker.run(..., stream=True)`.
             user: Username or UID, format: `"<name|uid>[:<group|gid>]"`
+            volumes:  Bind mount a volume. Some examples:
+                `[("/", "/host"), ("/etc/hosts", "/etc/hosts", "rw")]`.
             workdir: Working directory inside the container
 
         Returns:
@@ -746,6 +751,9 @@ def run(
         full_cmd.add_flag("--service-ports", service_ports)
         full_cmd.add_flag("--use-aliases", use_aliases)
         full_cmd.add_simple_arg("--user", user)
+        for volume_definition in volumes:
+            volume_definition = tuple(str(x) for x in volume_definition)
+            full_cmd += ["--volume", ":".join(volume_definition)]
         full_cmd.add_simple_arg("--workdir", workdir)
         full_cmd.add_args_iterable_or_single("--label", format_mapping_for_cli(labels))
         full_cmd.append(service)

tests/python_on_whales/components/test_compose.py

@@ -765,6 +765,45 @@ def test_compose_run_entrypoint():
     assert result == "cmd-is-argument-for-echo"
 
 
+def test_compose_run_volume():
+    with tempfile.NamedTemporaryFile() as fst, tempfile.NamedTemporaryFile() as snd:
+        fst.write(b"Hello ")
+        snd.write(b" Year")
+        fst.flush()
+        snd.flush()
+
+        result = docker.compose.run(
+            "dodo",
+            [
+                "-c",
+                "echo New >> /mounted/fst.txt"
+                "&& echo $(cat /mounted/fst.txt)$(cat /mounted/snd.txt)",
+            ],
+            volumes=[
+                (f"{fst.name}", "/mounted/fst.txt"),
+                (f"{snd.name}", "/mounted/snd.txt", "ro"),
+            ],
+            remove=True,
+            tty=False,
+        )
+
+        assert result == "Hello New Year"
+
+
+def test_compose_run_volume_with_parameter():
+    with tempfile.NamedTemporaryFile() as read_only_file, pytest.raises(
+        DockerException,
+        match=".*can't create /mounted/read_only_file.txt: Read-only file system.*",
+    ):
+        docker.compose.run(
+            "dodo",
+            ["-c", "echo test > /mounted/read_only_file.txt"],
+            volumes=[(f"{read_only_file.name}", "/mounted/read_only_file.txt", "ro")],
+            remove=True,
+            tty=False,
+        )
+
+
 def test_compose_version():
     assert "Docker Compose version v2" in docker.compose.version()