Implement service mode for ipc

Signed-off-by: Eric Hripko <ehripko@bloomberg.net>

3 files changed, 18 insertions, 0 deletions

diff --git a/compose/config/config.py b/compose/config/config.py
index c5791e15..90baeeaa 100644
--- a/compose/config/config.py
+++ b/compose/config/config.py
@@ -47,6 +47,7 @@ from .validation import validate_credential_spec
 from .validation import validate_depends_on
 from .validation import validate_extends_file_path
 from .validation import validate_healthcheck
+from .validation import validate_ipc_mode
 from .validation import validate_links
 from .validation import validate_network_mode
 from .validation import validate_pid_mode
@@ -734,6 +735,7 @@ def validate_service(service_config, service_names, config_file):
 
     validate_cpu(service_config)
     validate_ulimits(service_config)
+    validate_ipc_mode(service_config, service_names)
     validate_network_mode(service_config, service_names)
     validate_pid_mode(service_config, service_names)
     validate_depends_on(service_config, service_names)
diff --git a/compose/config/sort_services.py b/compose/config/sort_services.py
index a600139b..65953891 100644
--- a/compose/config/sort_services.py
+++ b/compose/config/sort_services.py
@@ -36,6 +36,7 @@ def get_service_dependents(service_dict, services):
             name in get_service_names_from_volumes_from(service.get('volumes_from', [])) or
             name == get_service_name_from_network_mode(service.get('network_mode')) or
             name == get_service_name_from_network_mode(service.get('pid')) or
+            name == get_service_name_from_network_mode(service.get('ipc')) or
             name in service.get('depends_on', []))
     ]
 
diff --git a/compose/config/validation.py b/compose/config/validation.py
index 942c4e03..61a3370d 100644
--- a/compose/config/validation.py
+++ b/compose/config/validation.py
@@ -218,6 +218,21 @@ def validate_pid_mode(service_config, service_names):
         )
 
 
+def validate_ipc_mode(service_config, service_names):
+    ipc_mode = service_config.config.get('ipc')
+    if not ipc_mode:
+        return
+
+    dependency = get_service_name_from_network_mode(ipc_mode)
+    if not dependency:
+        return
+    if dependency not in service_names:
+        raise ConfigurationError(
+            "Service '{s.name}' uses the IPC namespace of service '{dep}' which "
+            "is undefined.".format(s=service_config, dep=dependency)
+        )
+
+
 def validate_links(service_config, service_names):
     for link in service_config.config.get('links', []):
         if link.split(':')[0] not in service_names: