Add failing test for --abort-on-container-exit

Handle --abort-on-container-exit. Fixes #2940

Signed-off-by: Richard Bann <richardbann@gmail.com>

compose/cli/log_printer.py

@@ -5,6 +5,7 @@ import sys
 from itertools import cycle
 
 from . import colors
+from . import signals
 from .multiplexer import Multiplexer
 from compose import utils
 from compose.utils import split_buffer
@@ -41,7 +42,7 @@ class LogPrinter(object):
         for color_func, container in zip(color_funcs, self.containers):
             generator_func = get_log_generator(container)
             prefix = color_func(build_log_prefix(container, prefix_width))
-            yield generator_func(container, prefix, color_func)
+            yield generator_func(container, prefix, color_func, self.cascade_stop)
 
 
 def build_log_prefix(container, prefix_width):
@@ -64,7 +65,7 @@ def get_log_generator(container):
     return build_no_log_generator
 
 
-def build_no_log_generator(container, prefix, color_func):
+def build_no_log_generator(container, prefix, color_func, cascade_stop):
     """Return a generator that prints a warning about logs and waits for
     container to exit.
     """
@@ -72,9 +73,11 @@ def build_no_log_generator(container, prefix, color_func):
         prefix,
         container.log_driver)
     yield color_func(wait_on_exit(container))
+    if cascade_stop:
+        raise signals.CascadeStopException()
 
 
-def build_log_generator(container, prefix, color_func):
+def build_log_generator(container, prefix, color_func, cascade_stop):
     # if the container doesn't have a log_stream we need to attach to container
     # before log printer starts running
     if container.log_stream is None:
@@ -86,6 +89,8 @@ def build_log_generator(container, prefix, color_func):
     for line in line_generator:
         yield prefix + line
     yield color_func(wait_on_exit(container))
+    if cascade_stop:
+        raise signals.CascadeStopException()
 
 
 def wait_on_exit(container):

compose/cli/main.py

@@ -774,6 +774,9 @@ def up_shutdown_context(project, service_names, timeout, detached):
         except signals.ShutdownException:
             print("Gracefully stopping... (press Ctrl+C again to force)")
             project.stop(service_names=service_names, timeout=timeout)
+        except signals.CascadeStopException:
+            print("Aborting on container exit... (press Ctrl+C to force)")
+            project.stop(service_names=service_names, timeout=timeout)
     except signals.ShutdownException:
         project.kill(service_names=service_names)
         sys.exit(2)

compose/cli/signals.py

@@ -8,6 +8,10 @@ class ShutdownException(Exception):
     pass
 
 
+class CascadeStopException(Exception):
+    pass
+
+
 def shutdown(signal, frame):
     raise ShutdownException()
 

tests/acceptance/cli_test.py

@@ -746,6 +746,12 @@ class CLITestCase(DockerClientTestCase):
         os.kill(proc.pid, signal.SIGTERM)
         wait_on_condition(ContainerCountCondition(self.project, 0))
 
+    def test_up_handles_abort_on_container_exit(self):
+        start_process(self.base_dir, ['up', '--abort-on-container-exit'])
+        wait_on_condition(ContainerCountCondition(self.project, 2))
+        self.project.stop(['simple'])
+        wait_on_condition(ContainerCountCondition(self.project, 0))
+
     def test_run_service_without_links(self):
         self.base_dir = 'tests/fixtures/links-composefile'
         self.dispatch(['run', 'console', '/bin/true'])