Move restart spec to the config.types module.

Signed-off-by: Daniel Nephin <dnephin@docker.com>

compose/config/config.py

@@ -14,6 +14,7 @@ from .errors import CircularReference
 from .errors import ComposeFileNotFound
 from .errors import ConfigurationError
 from .interpolation import interpolate_environment_variables
+from .types import parse_restart_spec
 from .types import VolumeFromSpec
 from .validation import validate_against_fields_schema
 from .validation import validate_against_service_schema
@@ -392,6 +393,9 @@ def finalize_service(service_config):
         service_dict['volumes_from'] = [
             VolumeFromSpec.parse(vf) for vf in service_dict['volumes_from']]
 
+    if 'restart' in service_dict:
+        service_dict['restart'] = parse_restart_spec(service_dict['restart'])
+
     return service_dict
 
 

compose/config/types.py

@@ -26,3 +26,20 @@ class VolumeFromSpec(namedtuple('_VolumeFromSpec', 'source mode')):
             source, mode = parts
 
         return cls(source, mode)
+
+
+def parse_restart_spec(restart_config):
+    if not restart_config:
+        return None
+    parts = restart_config.split(':')
+    if len(parts) > 2:
+        raise ConfigurationError(
+            "Restart %s has incorrect format, should be "
+            "mode[:max_retry]" % restart_config)
+    if len(parts) == 2:
+        name, max_retry_count = parts
+    else:
+        name, = parts
+        max_retry_count = 0
+
+    return {'Name': name, 'MaximumRetryCount': int(max_retry_count)}

compose/service.py

@@ -648,8 +648,6 @@ class Service(object):
         if isinstance(dns_search, six.string_types):
             dns_search = [dns_search]
 
-        restart = parse_restart_spec(options.get('restart', None))
-
         extra_hosts = build_extra_hosts(options.get('extra_hosts', None))
         read_only = options.get('read_only', None)
 
@@ -667,7 +665,7 @@ class Service(object):
             devices=devices,
             dns=dns,
             dns_search=dns_search,
-            restart_policy=restart,
+            restart_policy=options.get('restart'),
             cap_add=cap_add,
             cap_drop=cap_drop,
             mem_limit=options.get('mem_limit'),
@@ -1043,24 +1041,6 @@ def build_container_labels(label_options, service_labels, number, config_hash):
     return labels
 
 
-# Restart policy
-
-
-def parse_restart_spec(restart_config):
-    if not restart_config:
-        return None
-    parts = restart_config.split(':')
-    if len(parts) > 2:
-        raise ConfigError("Restart %s has incorrect format, should be "
-                          "mode[:max_retry]" % restart_config)
-    if len(parts) == 2:
-        name, max_retry_count = parts
-    else:
-        name, = parts
-        max_retry_count = 0
-
-    return {'Name': name, 'MaximumRetryCount': int(max_retry_count)}
-
 # Ulimits
 
 

tests/integration/service_test.py

@@ -786,23 +786,21 @@ class ServiceTest(DockerClientTestCase):
         container = create_and_start_container(service)
         self.assertIsNone(container.get('HostConfig.Dns'))
 
-    def test_dns_single_value(self):
-        service = self.create_service('web', dns='8.8.8.8')
-        container = create_and_start_container(service)
-        self.assertEqual(container.get('HostConfig.Dns'), ['8.8.8.8'])
-
     def test_dns_list(self):
         service = self.create_service('web', dns=['8.8.8.8', '9.9.9.9'])
         container = create_and_start_container(service)
         self.assertEqual(container.get('HostConfig.Dns'), ['8.8.8.8', '9.9.9.9'])
 
     def test_restart_always_value(self):
-        service = self.create_service('web', restart='always')
+        service = self.create_service('web', restart={'Name': 'always'})
         container = create_and_start_container(service)
         self.assertEqual(container.get('HostConfig.RestartPolicy.Name'), 'always')
 
     def test_restart_on_failure_value(self):
-        service = self.create_service('web', restart='on-failure:5')
+        service = self.create_service('web', restart={
+            'Name': 'on-failure',
+            'MaximumRetryCount': 5
+        })
         container = create_and_start_container(service)
         self.assertEqual(container.get('HostConfig.RestartPolicy.Name'), 'on-failure')
         self.assertEqual(container.get('HostConfig.RestartPolicy.MaximumRetryCount'), 5)
@@ -817,17 +815,7 @@ class ServiceTest(DockerClientTestCase):
         container = create_and_start_container(service)
         self.assertEqual(container.get('HostConfig.CapDrop'), ['SYS_ADMIN', 'NET_ADMIN'])
 
-    def test_dns_search_no_value(self):
+    def test_dns_search(self):
-        service = self.create_service('web')
-        container = create_and_start_container(service)
-        self.assertIsNone(container.get('HostConfig.DnsSearch'))
-
-    def test_dns_search_single_value(self):
-        service = self.create_service('web', dns_search='example.com')
-        container = create_and_start_container(service)
-        self.assertEqual(container.get('HostConfig.DnsSearch'), ['example.com'])
-
-    def test_dns_search_list(self):
         service = self.create_service('web', dns_search=['dc1.example.com', 'dc2.example.com'])
         container = create_and_start_container(service)
         self.assertEqual(container.get('HostConfig.DnsSearch'), ['dc1.example.com', 'dc2.example.com'])

tests/unit/cli_test.py

@@ -124,7 +124,7 @@ class CLITestCase(unittest.TestCase):
         mock_project.get_service.return_value = Service(
             'service',
             client=mock_client,
-            restart='always',
+            restart={'Name': 'always', 'MaximumRetryCount': 0},
             image='someimage')
         command.run(mock_project, {
             'SERVICE': 'service',