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Stop and remove containers in parallel when scaling down 

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>
This commit is contained in:
Aanand Prasad 2016-01-21 15:28:40 +00:00
parent 755c49b500
commit 642e71b4c7
1 changed files with 12 additions and 5 deletions
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17
compose/service.py
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@ -27,9 +27,7 @@ from .const import LABEL_SERVICE
from .const import LABEL_VERSION from .const import LABEL_VERSION
from .container import Container from .container import Container
from .parallel import parallel_execute from .parallel import parallel_execute
from .parallel import parallel_remove
from .parallel import parallel_start from .parallel import parallel_start
from .parallel import parallel_stop
from .progress_stream import stream_output from .progress_stream import stream_output
from .progress_stream import StreamOutputError from .progress_stream import StreamOutputError
from .utils import json_hash from .utils import json_hash
@ -180,6 +178,10 @@ class Service(object):
service.start_container(container) service.start_container(container)
return container return container
def stop_and_remove(container):
container.stop(timeout=timeout)
container.remove()
running_containers = self.containers(stopped=False) running_containers = self.containers(stopped=False)
num_running = len(running_containers) num_running = len(running_containers)
@ -225,12 +227,17 @@ class Service(object):
if desired_num < num_running: if desired_num < num_running:
num_to_stop = num_running - desired_num num_to_stop = num_running - desired_num
sorted_running_containers = sorted( sorted_running_containers = sorted(
running_containers, running_containers,
key=attrgetter('number')) key=attrgetter('number'))
containers_to_stop = sorted_running_containers[-num_to_stop:]
parallel_stop(containers_to_stop, dict(timeout=timeout)) parallel_execute(
parallel_remove(containers_to_stop, {}) sorted_running_containers[-num_to_stop:],
stop_and_remove,
lambda c: c.name,
"Stopping and removing",
)
def create_container(self, def create_container(self,
one_off=False, one_off=False,