def print_cluster_status(cls, options):
"""
Gets cluster stats and prints it nicely.
Args:
options: A Namespace that has fields for each parameter that can be
passed in via the command-line interface.
"""
try:
load_balancer_ip = LocalState.get_host_with_role(
options.keyname, 'load_balancer')
acc = AppControllerClient(
load_balancer_ip, LocalState.get_secret_key(options.keyname))
all_private_ips = acc.get_all_private_ips()
cluster_stats = acc.get_cluster_stats()
except (faultType, AppControllerException, BadConfigurationException):
AppScaleLogger.warn("AppScale deployment is probably down")
raise
# Convert cluster stats to useful structures
node_stats = {
ip: next((n for n in cluster_stats if n["private_ip"] == ip), None)
for ip in all_private_ips
}
apps_dict = next((n["apps"] for n in cluster_stats if n["apps"]), {})
services = [ServiceInfo(key.split('_')[0], key.split('_')[1], app_info)
for key, app_info in apps_dict.iteritems()]
nodes = [NodeStats(ip, node) for ip, node in node_stats.iteritems() if node]
invisible_nodes = [ip for ip, node in node_stats.iteritems() if not node]
if options.verbose:
AppScaleLogger.log("-"*76)
cls._print_nodes_info(nodes, invisible_nodes)
cls._print_roles_info(nodes)
else:
AppScaleLogger.log("-"*76)
cls._print_cluster_summary(nodes, invisible_nodes, services)
cls._print_services(services)
cls._print_status_alerts(nodes)
try:
login_host = acc.get_property('login')['login']
except KeyError:
raise AppControllerException('login property not found')
dashboard = next(
(service for service in services
if service.http == RemoteHelper.APP_DASHBOARD_PORT), None)
if dashboard and dashboard.appservers >= 1:
AppScaleLogger.success(
"\nView more about your AppScale deployment at http://{}:{}/status"
.format(login_host, RemoteHelper.APP_DASHBOARD_PORT)
)
else:
AppScaleLogger.log(
"\nAs soon as AppScale Dashboard is started you can visit it at "
"http://{0}:{1}/status and see more about your deployment"
.format(login_host, RemoteHelper.APP_DASHBOARD_PORT)
)
def get_roles(keyname):
"""
Obtains roles for each ip from AppControllerClient.
Args:
keyname: A string representing an identifier from AppScaleFile.
Returns:
A dict in which each key is an ip and value is a role list.
"""
load_balancer_ip = LocalState.get_host_with_role(keyname, 'load_balancer')
acc = AppControllerClient(host=load_balancer_ip,
secret=LocalState.get_secret_key(keyname))
cluster_stats = acc.get_cluster_stats()
roles_data = {
node["private_ip"]:
(node["roles"] if len(node["roles"]) > 0 else ["?"])
for node in cluster_stats
}
return roles_data
def get_roles(keyname):
"""
Obtains roles for each ip from AppControllerClient.
Args:
keyname: A string representing an identifier from AppScaleFile.
Returns:
A dict in which each key is an ip and value is a role list.
"""
load_balancer_ip = LocalState.get_host_with_role(keyname, 'load_balancer')
acc = AppControllerClient(
host=load_balancer_ip,
secret=LocalState.get_secret_key(keyname)
)
cluster_stats = acc.get_cluster_stats()
roles_data = {
node["private_ip"]: (node["roles"] if len(node["roles"]) > 0 else ["?"])
for node in cluster_stats
}
return roles_data
