def index():
if 'auth_token' in session:
ctx = {}
try:
applications = utils.get_node_applications()
apps = []
for app in applications:
json_data = json.loads(utils.get_application_config(app))
app_data = {
'name': app,
'version': json_data['version'],
'instances': json_data['instances'][settings.NODE_NAME],
'runtime': json_data['runtime'],
}
apps.append(app_data)
ctx = {
'applications': apps,
}
except Exception, e:
import traceback
traceback.print_exc()
flash(e, 'error')
return render_template("index.html", **ctx)
def remove_application(app_name=None):
"""
Removes and application
:keyword app_name: Name of application to remove
"""
if not app_name:
raise NameError("You must specify an application name")
log = config.get_logger("remove_application")
errors = {}
output = {}
if app_name not in utils.get_node_applications():
raise NameError("Application not deployed to this node")
app_config = utils.get_application_config(app_name)
try:
app_config = json.loads(app_config)
# attempt to stop application first
stop_application(app_name)
except:
pass # ignore errors on removal
# remove configs
app_state_dir = os.path.join(settings.APPLICATION_STATE_DIR, app_name)
app_dir = os.path.join(settings.APPLICATION_BASE_DIR, app_name)
ve_dir = os.path.join(settings.VIRTUALENV_BASE_DIR, app_name)
if os.path.exists(app_state_dir):
shutil.rmtree(app_state_dir)
output["app_state_dir"] = "removed"
if os.path.exists(app_dir):
shutil.rmtree(app_dir)
output["app_dir"] = "removed"
if os.path.exists(ve_dir):
shutil.rmtree(ve_dir)
output["ve_dir"] = "removed"
# clear nginx configs
for conf in os.listdir(settings.WEBSERVER_CONF_DIR):
if re.search("{0}*".format(app_name), conf):
os.remove(os.path.join(settings.WEBSERVER_CONF_DIR, conf))
output["nginx_configs"] = "removed"
# clear uwsgi configs
for conf in os.listdir(settings.SUPERVISOR_CONF_DIR):
if re.search("uwsgi_{0}*".format(app_name), conf):
os.remove(os.path.join(settings.SUPERVISOR_CONF_DIR, conf))
output["uwsgi_configs"] = "removed"
# clear logs
for log_file in os.listdir(settings.APPLICATION_LOG_DIR):
if re.search("{0}*".format(app_name), log_file):
os.remove(os.path.join(settings.APPLICATION_LOG_DIR, log_file))
# get app config to remove reserved instances
if app_config:
for instance in app_config["instances"][settings.NODE_NAME]:
log.debug("{0}: releasing port: {1}".format(app_name, instance))
utils.release_application_port(instance)
output["reserved_ports"] = "released"
# remove app config
utils.remove_application_config(app_name)
# remove from node app list
utils.remove_app_from_node_app_list(app_name)
# signal supervisor to update
p = Popen(["supervisorctl", "update"], stdout=PIPE, stderr=PIPE)
p_out, p_err = p.stdout.read().strip(), p.stderr.read().strip()
output["supervisorctl_out"] = p_out
output["supervisorctl_err"] = p_err
log.info("{0}: application removed".format(app_name))
data = {"status": "complete", "output": output, "errors": errors, "operation": "remove_application"}
return data
