def realtime_updates(self):
it = repeater(self.client.events, kwargs={"decode": True}, retries=5)
while True:
event = repeater(next, args=(it, ), retries=2) # likely an engine restart
if not event:
it = repeater(self.client.events, kwargs={"decode": True}, retries=5)
if not it:
raise NotifyError("Unable to fetch realtime updates from docker engine.")
continue
logger.debug("RT event: %s", event)
yield event
continue
# FIXME: this needs rewrite
try:
# 1.10+
is_container = event["Type"] == "container"
except KeyError:
# event["from'] means it's a container
is_container = "from" in event
if is_container:
# inspect doesn't contain info about status and you can't query just one
# container with containers()
# let's do full-blown containers() query; it's not that expensive
self.get_containers(cached=False)
else:
# similar as ^
# images() doesn't support query by ID
# inspect doesn't contain info about repositories
self.get_images(cached=False)
content, _, _ = self.filter(containers=True, images=True, stopped=True,
cached=True, sort_by_created=True)
yield content
def test_repeater():
def g(l, item=1):
l.append(1)
return l[item]
assert repeater(g, args=([],)) == 1
with pytest.raises(Exception):
repeater(f, args=([],), kwargs={"item": 10}) == 1
def test_repeater():
def g(l, item=1):
l.append(1)
return l[item]
assert repeater(g, args=([], )) == 1
with pytest.raises(Exception):
repeater(f, args=([], ), kwargs={"item": 10}) == 1
def get_images(self, cached=True):
if cached is False or self._images is None:
logger.debug("doing images() query")
self._images = {}
images_response = repeater(self.client.images) or []
for i in images_response:
img = DockerImage(i, self)
self._images[img.image_id] = img
self._all_images = {}
all_images_response = repeater(self.client.images, kwargs={"all": True}) or []
for i in all_images_response:
img = DockerImage(i, self)
self._all_images[img.image_id] = img
return list(self._images.values())
def get_images(self, cached=True):
if cached is False or self._images is None:
logger.debug("doing images() query")
self._images = {}
images_response = repeater(self.client.images) or []
for i in images_response:
img = DockerImage(i, self)
self._images[img.image_id] = img
self._all_images = {}
all_images_response = repeater(self.client.images, kwargs={"all": True}) or []
for i in all_images_response:
img = DockerImage(i, self)
self._all_images[img.image_id] = img
return list(self._images.values())
def realtime_updates(self):
event = it = None
while True:
if not it or not event:
it = repeater(self.client.events, kwargs={"decode": True}, retries=5)
if not it:
raise NotifyError("Unable to fetch realtime updates from docker engine.")
event = repeater(next, args=(it, ), retries=2) # likely an engine restart
if not event:
continue
logger.debug("RT event: %s", event)
yield event
def realtime_updates(self):
event = it = None
while True:
if not it or not event:
it = repeater(self.client.events, kwargs={"decode": True}, retries=5)
if not it:
raise NotifyError("Unable to fetch realtime updates from docker engine.")
event = repeater(next, args=(it, ), retries=2) # likely an engine restart
if not event:
continue
logger.debug("RT event: %s", event)
yield event
def get_containers(self, cached=True, stopped=True):
if cached is False or self._containers is None:
logger.debug("doing containers() query")
self._containers = {}
containers_reponse = repeater(self.client.containers, kwargs={"all": stopped}) or []
for c in containers_reponse:
container = DockerContainer(c, self)
self._containers[container.container_id] = container
if not stopped:
return [x for x in list(self._containers.values()) if x.running]
return list(self._containers.values())
def get_containers(self, cached=True, stopped=True):
if cached is False or self._containers is None:
logger.debug("doing containers() query")
self._containers = {}
containers_reponse = repeater(self.client.containers, kwargs={"all": stopped}) or []
for c in containers_reponse:
container = DockerContainer(c, self)
self._containers[container.container_id] = container
if not stopped:
return [x for x in list(self._containers.values()) if x.running]
return list(self._containers.values())
def realtime_updates(self):
it = repeater(self.client.events, kwargs={"decode": True}, retries=5)
while True:
event = repeater(next, args=(it, ),
retries=2) # likely an engine restart
if not event:
it = repeater(self.client.events,
kwargs={"decode": True},
retries=5)
if not it:
raise NotifyError(
"Unable to fetch realtime updates from docker engine.")
continue
logger.debug("RT event: %s", event)
yield event
continue
# FIXME: this needs rewrite
try:
# 1.10+
is_container = event["Type"] == "container"
except KeyError:
# event["from'] means it's a container
is_container = "from" in event
if is_container:
# inspect doesn't contain info about status and you can't query just one
# container with containers()
# let's do full-blown containers() query; it's not that expensive
self.get_containers(cached=False)
else:
# similar as ^
# images() doesn't support query by ID
# inspect doesn't contain info about repositories
self.get_images(cached=False)
content, _, _ = self.filter(containers=True,
images=True,
stopped=True,
cached=True,
sort_by_created=True)
yield content
