Merge pull request #1381 from Athishpranav2003/extra-hosts

Added support to parse extra hosts

Author: p12tic

newsfragments/fix_extra_hosts.bugfix

@@ -0,0 +1 @@
+Fix the bug in parsing to add identify `extra-hosts` field in build parameters.

podman_compose.py

@@ -3122,6 +3122,8 @@ def cleanup_temp_dockfile() -> None:
         build_args.extend(["--platform", cnt["platform"]])
     for secret in build_desc.get("secrets", []):
         build_args.extend(get_secret_args(compose, cnt, secret, podman_is_building=True))
+    for i in build_desc.get("extra_hosts", []):
+        build_args.extend(["--add-host", i])
     for tag in build_desc.get("tags", []):
         build_args.extend(["-t", tag])
     labels = build_desc.get("labels", [])

tests/integration/extra_hosts/__init__.py

@@ -0,0 +1,3 @@
+FROM nopush/podman-compose-test
+
+RUN getent hosts example.internal

tests/integration/extra_hosts/context/Dockerfile

@@ -0,0 +1,8 @@
+version: "3"
+services:
+    web1:
+      build:
+        context: ./context
+        dockerfile: Dockerfile
+        extra_hosts:
+          - "example.internal:127.0.0.1"

tests/integration/extra_hosts/docker-compose.yml

@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: GPL-2.0
+
+import os
+import unittest
+
+from tests.integration.test_utils import RunSubprocessMixin
+from tests.integration.test_utils import podman_compose_path
+from tests.integration.test_utils import test_path
+
+
+def compose_yaml_path() -> str:
+    """Returns the path to the compose file used for this test module"""
+    base_path = os.path.join(test_path(), "extra_hosts")
+    return os.path.join(base_path, "docker-compose.yml")
+
+
+class TestComposeExtraHosts(unittest.TestCase, RunSubprocessMixin):
+    def test_extra_hosts(self) -> None:
+        try:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path(),
+                "build",
+                "--no-cache",
+            ])
+
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path(),
+                "up",
+                "-d",
+            ])
+
+        finally:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path(),
+                "down",
+            ])