docker compat: use hyphens to join container names

docker-compose uses - not _ to join container names to project.
not a huge thing, but for services making assumptions based on this
it can catch off guard, and is easy to make the same.

Signed-off-by: Matt Phillips <mphillips81@bloomberg.net>

podman_compose.py

@@ -1979,7 +1979,7 @@ def _parse_compose_file(self):
 
             container_names_by_service[service_name] = []
             for num in range(1, replicas + 1):
-                name0 = f"{project_name}_{service_name}_{num}"
+                name0 = f"{project_name}-{service_name}-{num}"
                 if num == 1:
                     name = service_desc.get("container_name", name0)
                 else:

tests/integration/test_podman_compose_deps.py

@@ -26,7 +26,7 @@ def test_deps(self):
                 "wget -O - http://web:8000/hosts",
             ])
             self.assertIn(b"HTTP request sent, awaiting response... 200 OK", output)
-            self.assertIn(b"deps_web_1", output)
+            self.assertIn(b"deps-web-1", output)
         finally:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),

tests/integration/test_podman_compose_extends_w_file.py

@@ -29,8 +29,8 @@ def test_extends_w_file(self):  # when file is Dockerfile for building the image
                 compose_yaml_path(),
                 "ps",
             ])
-            self.assertIn("extends_w_file_web_1", str(output))
-            self.assertIn("extends_w_file_important_web_1", str(output))
+            self.assertIn("extends_w_file-web-1", str(output))
+            self.assertIn("extends_w_file-important_web-1", str(output))
         finally:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),

tests/integration/test_podman_compose_extends_w_file_subdir.py

@@ -29,7 +29,7 @@ def test_extends_w_file_subdir(self):  # when file is Dockerfile for building th
                 compose_yaml_path(),
                 "ps",
             ])
-            self.assertIn("extends_w_file_subdir_web_1", str(output))
+            self.assertIn("extends_w_file_subdir-web-1", str(output))
         finally:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),

tests/integration/test_podman_compose_ipam_default.py

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDt-License-Identifier: GPL-2.0
 
 import json
 import os
@@ -34,7 +34,7 @@ def test_ipam_default(self):
                 [
                     "podman",
                     "inspect",
-                    "ipam_default_testipam_1",
+                    "ipam_default-testipam-1",
                 ],
             )
             network_info = json.loads(output.decode('utf-8'))[0]

tests/integration/test_podman_compose_multicompose.py

@@ -38,14 +38,14 @@ def test_multicompose(self):
                 os.path.join(os.path.join(test_path(), "multicompose"), "d2/docker-compose.yml"),
                 "ps",
             ])
-            self.assertIn(b"d1_web1_1", output)
-            self.assertIn(b"d1_web2_1", output)
+            self.assertIn(b"d1-web1-1", output)
+            self.assertIn(b"d1-web2-1", output)
 
             output, _ = self.run_subprocess_assert_returncode([
                 "podman",
                 "exec",
                 "-ti",
-                "d1_web1_1",
+                "d1-web1-1",
                 "sh",
                 "-c",
                 "set",
@@ -58,7 +58,7 @@ def test_multicompose(self):
                 "podman",
                 "exec",
                 "-ti",
-                "d1_web2_1",
+                "d1-web2-1",
                 "sh",
                 "-c",
                 "set",
@@ -70,7 +70,7 @@ def test_multicompose(self):
                 "podman",
                 "exec",
                 "-ti",
-                "d1_web1_1",
+                "d1-web1-1",
                 "sh",
                 "-c",
                 "cat /var/www/html/index.txt",
@@ -82,7 +82,7 @@ def test_multicompose(self):
                 "podman",
                 "exec",
                 "-ti",
-                "d1_web2_1",
+                "d1-web2-1",
                 "sh",
                 "-c",
                 "cat /var/www/html/index.txt",

tests/integration/test_podman_compose_nets_test1.py

@@ -34,8 +34,8 @@ def test_nets_test1(self):
                 compose_yaml_path(),
                 "ps",
             ])
-            self.assertIn(b"nets_test1_web1_1", output)
-            self.assertIn(b"nets_test1_web2_1", output)
+            self.assertIn(b"nets_test1-web1-1", output)
+            self.assertIn(b"nets_test1-web2-1", output)
 
             response = requests.get('http://localhost:8001/index.txt')
             self.assertTrue(response.ok)
@@ -49,7 +49,7 @@ def test_nets_test1(self):
             output, _ = self.run_subprocess_assert_returncode([
                 "podman",
                 "inspect",
-                "nets_test1_web1_1",
+                "nets_test1-web1-1",
             ])
             container_info = json.loads(output.decode('utf-8'))[0]
 

tests/integration/test_podman_compose_nets_test2.py

@@ -34,8 +34,8 @@ def test_nets_test2(self):
                 compose_yaml_path(),
                 "ps",
             ])
-            self.assertIn(b"nets_test2_web1_1", output)
-            self.assertIn(b"nets_test2_web2_1", output)
+            self.assertIn(b"nets_test2-web1-1", output)
+            self.assertIn(b"nets_test2-web2-1", output)
 
             response = requests.get('http://localhost:8001/index.txt')
             self.assertTrue(response.ok)
@@ -49,13 +49,13 @@ def test_nets_test2(self):
             output, _ = self.run_subprocess_assert_returncode([
                 "podman",
                 "inspect",
-                "nets_test2_web1_1",
+                "nets_test2-web1-1",
             ])
             container_info = json.loads(output.decode('utf-8'))[0]
 
             # check if network got specific name from networks top-level element
             self.assertEqual(
-                list(container_info["NetworkSettings"]["Networks"].keys())[0], "nets_test2_mystack"
+                list(container_info["NetworkSettings"]["Networks"].keys())[0], "nets_test2-mystack"
             )
 
             # check if Host port is the same as prodvided by the service port
@@ -70,12 +70,12 @@ def test_nets_test2(self):
             output, _ = self.run_subprocess_assert_returncode([
                 "podman",
                 "inspect",
-                "nets_test2_web2_1",
+                "nets_test2-web2-1",
             ])
             container_info = json.loads(output.decode('utf-8'))[0]
 
             self.assertEqual(
-                list(container_info["NetworkSettings"]["Networks"].keys())[0], "nets_test2_mystack"
+                list(container_info["NetworkSettings"]["Networks"].keys())[0], "nets_test2-mystack"
             )
 
             self.assertEqual(

tests/integration/test_podman_compose_networks.py

@@ -63,8 +63,8 @@ def test_networks(self):
             '"{{.Names}}"',
         ]
         out, _ = self.run_subprocess_assert_returncode(check_cmd)
-        self.assertIn(b"nets_test_ip_web1_1", out)
-        self.assertIn(b"nets_test_ip_web2_1", out)
+        self.assertIn(b"nets_test_ip-web1-1", out)
+        self.assertIn(b"nets_test_ip-web2-1", out)
 
         expected_wget = {
             "172.19.1.10": "test1",

tests/integration/test_podman_compose_tests.py

@@ -200,7 +200,7 @@ def test_down_with_network(self):
                 "-d",
             ])
             output, _, _ = self.run_subprocess(["podman", "network", "ls"])
-            self.assertIn("network_mystack", output.decode())
+            self.assertIn("network-mystack", output.decode())
         finally:
             self.run_subprocess_assert_returncode([
                 "coverage",
@@ -211,4 +211,4 @@ def test_down_with_network(self):
                 "down",
             ])
             output, _, _ = self.run_subprocess(["podman", "network", "ls"])
-            self.assertNotIn("network_mystack", output.decode())
+            self.assertNotIn("network-mystack", output.decode())