def cleanup():
cm = ClusterManager.get_instance()
all_routes = set(cm._get_inactive_routes(0))
for name, timestamp in get_apps():
if (name not in all_routes) and app_re.match(name):
print "going to delete app: {0}".format(name)
subprocess.check_output(['kubectl.sh', 'delete', 'namespace', name])
def deploy(self, mode):
# every service must be deployable in single-node mode, so this is valid even if there
# aren't any services
if not mode:
mode = "single-node"
success = True
# clean up the old deployment
deploy_path = os.path.join(self.path, "deploy")
if os.path.isdir(deploy_path):
shutil.rmtree(deploy_path)
os.mkdir(deploy_path)
services = self.services
app_params = self.get_app_params()
# load all the template strings
templates_path = os.path.join(MainSettings.ROOT, "templates")
template_names = ["namespace.json", "pod.json", "service-pod.json", "notebook.json",
"controller.json", "service.json"]
templates = {}
for name in template_names:
with open(os.path.join(templates_path, name), 'r') as tf:
templates[name] = tf.read()
# insert the notebooks container into the pod.json template
with open(os.path.join(deploy_path, "notebook.json"), 'w+') as nb_file:
nb_string = fill_template_string(templates["notebook.json"], app_params)
nb_file.write(nb_string)
# insert the namespace file into the deployment folder
with open(os.path.join(deploy_path, "namespace.json"), 'w+') as ns_file:
ns_string = fill_template_string(templates["namespace.json"], app_params)
ns_file.write(ns_string)
# write deployment files for every service (by passing app parameters down to each service)
for service in services:
deployed_service = service.deploy(mode, deploy_path, self, templates)
if not deployed_service:
success = False
# use the cluster manager to deploy each file in the deploy/ folder
redirect_url = ClusterManager.get_instance().deploy_app(self.app_id, deploy_path)
if not redirect_url:
success = False
if success:
app_id = app_params["app.id"]
msg = "Successfully deployed app {0} in {1} mode with ID {2}".format(self.name, mode, app_id)
info_log(self.TAG, msg)
return redirect_url
else:
error_log(self.TAG, "Failed to deploy app {0} in {1} mode.".format(self.name, mode))
return None
def get(self):
super(CapacityHandler, self).get()
cm = ClusterManager.get_instance()
# don't count the default and kube-system namespaces
running = len(cm.get_running_apps()) - 3
if not self.last_poll or not self.cached_capacity or\
time.time() - self.last_poll > CapacityHandler.POLL_PERIOD:
capacity = yield self._get_capacity(cm)
CapacityHandler.cached_capacity = capacity
CapacityHandler.last_poll = time.time()
self.write({"capacity": self.cached_capacity, "running": running})
def get(self):
super(CapacityHandler, self).get()
cm = ClusterManager.get_instance()
# don't count the default and kube-system namespaces
running = len(cm.get_running_apps()) - 3
if not self.last_poll or not self.cached_capacity or\
time.time() - self.last_poll > CapacityHandler.POLL_PERIOD:
capacity = yield self._get_capacity(cm)
CapacityHandler.cached_capacity = capacity
CapacityHandler.last_poll = time.time()
self.write({"capacity": self.cached_capacity, "running": running})
def preload_all_apps():
apps = App.get_app()
cm = ClusterManager.get_instance()
cm.preload_image("binder-base")
for app in apps:
cm.preload_image(app.name)
def _preload_image(self):
print("Preloading app image onto all nodes...")
cm = ClusterManager.get_instance().preload_image(self.name)
def _get_running_apps(self):
cm = ClusterManager.get_instance()
return cm.get_running_apps()
def _get_running_apps(self):
cm = ClusterManager.get_instance()
return cm.get_running_apps()
def preload_all_apps():
apps = App.get_app()
cm = ClusterManager.get_instance()
cm.preload_image("binder-base")
for app in apps:
cm.preload_image(app.name)
def _preload_image(self):
info_log(self.TAG, "Preloading app image onto all nodes...", app=self.name)
cm = ClusterManager.get_instance().preload_image(self.name)
def _preload_image(self):
print("Preloading app image onto all nodes...")
cm = ClusterManager.get_instance().preload_image(self.name)
