Properly handle APIError failures in Project.up

Signed-off-by: Joffrey F <joffrey@docker.com>

compose/cli/main.py

@@ -24,6 +24,7 @@ from ..const import IS_WINDOWS_PLATFORM
 from ..progress_stream import StreamOutputError
 from ..project import NoSuchService
 from ..project import OneOffFilter
+from ..project import ProjectError
 from ..service import BuildAction
 from ..service import BuildError
 from ..service import ConvergenceStrategy
@@ -58,7 +59,7 @@ def main():
     except (KeyboardInterrupt, signals.ShutdownException):
         log.error("Aborting.")
         sys.exit(1)
-    except (UserError, NoSuchService, ConfigurationError) as e:
+    except (UserError, NoSuchService, ConfigurationError, ProjectError) as e:
         log.error(e.msg)
         sys.exit(1)
     except BuildError as e:

compose/parallel.py

@@ -59,7 +59,7 @@ def parallel_execute(objects, func, get_name, msg, get_deps=None):
     if error_to_reraise:
         raise error_to_reraise
 
-    return results
+    return results, errors
 
 
 def _no_deps(x):

compose/project.py

@@ -390,13 +390,18 @@ class Project(object):
         def get_deps(service):
             return {self.get_service(dep) for dep in service.get_dependency_names()}
 
-        results = parallel.parallel_execute(
+        results, errors = parallel.parallel_execute(
             services,
             do,
             operator.attrgetter('name'),
             None,
             get_deps
         )
+        if errors:
+            raise ProjectError(
+                'Encountered errors while bringing up the project.'
+            )
+
         return [
             container
             for svc_containers in results
@@ -531,3 +536,7 @@ class NoSuchService(Exception):
 
     def __str__(self):
         return self.msg
+
+
+class ProjectError(Exception):
+    pass