/
namespace.py
196 lines (172 loc) · 8.61 KB
/
namespace.py
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import time, os, argparse, json, sys
from concurrent.futures import ThreadPoolExecutor
start_time = time.time()
from modules.main import ArgParse
from modules import process as k8s
from modules.logging import Logger
from modules.get_pods import K8sPods
from modules.get_svc import K8sService
from modules.get_deploy import K8sDeploy
from modules.get_ds import K8sDaemonSet
from modules.get_sts import K8sStatefulSet
from modules.get_ns import K8sNameSpace
from modules.get_ingress import K8sIngress
from modules.get_jobs import K8sJobs
from modules.get_svc import K8sService
from modules.get_rbac import K8sNameSpaceRole, K8sNameSpaceRoleBinding
class Namespace:
def __init__(self, logger):
self.logger = logger
self.all_ns_list = K8sNameSpace.get_ns(self.logger)
def get_object_data(self, fun, k8s_object, ns, v, l):
k8s_object_list = fun
if len(k8s_object_list.items):
if not 'services' in k8s_object:
k8s.Check.security_context(k8s_object, k8s_object_list, \
['NAMESPACE', 'POD', 'CONTAINER_NAME', 'PRIVILEGED_ESC', \
'PRIVILEGED', 'READ_ONLY_FS', 'RUN_AS_NON_ROOT', \
'RUNA_AS_USER'], v, ns, l, self.logger)
k8s.Check.health_probes(k8s_object, k8s_object_list, \
['NAMESPACE', 'POD', 'CONTAINER_NAME', 'READINESS_PROPBE', \
'LIVENESS_PROBE'], v, ns, l, self.logger)
k8s.Check.resources(k8s_object, k8s_object_list, \
['NAMESPACE', 'POD', 'CONTAINER_NAME', 'LIMITS', 'REQUESTS'], \
v, ns, l, self.logger)
if k8s_object in ['deployments','statefulsets']:
k8s.Check.replica(k8s_object + 'ns', k8s_object_list, \
['NAMESPACE', 'DEPLOYMENT', 'REPLICA_COUNT'], v, ns, l, self.logger)
else:
k8s.Service.get_service(k8s_object, k8s_object_list, \
['NAMESPACE', 'SERVICE', 'SERVICE_TYPE', 'CLUSTER_IP', \
'SELECTOR'], v, ns, l, self.logger)
else:
self.logger.warning ("No {} found!".format(k8s_object))
def get_ns_data(self, v, ns, l):
data, sum_list, empty_ns = [], [], []
if not ns:
ns = 'all'
ns_list = self.all_ns_list
else:
ns_list = ns
# getting objects list in threads
with ThreadPoolExecutor(max_workers=10) as executor:
temp_deploy = executor.submit(K8sDeploy.get_deployments, ns, self.logger)
temp_ds = executor.submit(K8sDaemonSet.get_damemonsets, ns, self.logger)
temp_sts = executor.submit(K8sStatefulSet.get_sts, ns, self.logger)
temp_pods = executor.submit(K8sPods.get_pods, ns, self.logger)
temp_svc = executor.submit(K8sService.get_svc, ns, self.logger)
temp_ingress = executor.submit(K8sIngress.get_ingress, ns, self.logger)
temp_jobs = executor.submit(K8sJobs.get_jobs, ns, self.logger)
temp_role = executor.submit(K8sNameSpaceRole.list_namespaced_role, ns, self.logger)
temp_role_binding = \
executor.submit(K8sNameSpaceRoleBinding.list_namespaced_role_binding, ns, self.logger)
# stroing data from threads ran above
deployments = temp_deploy.result()
ds = temp_ds.result()
sts = temp_sts.result()
pods = temp_pods.result()
svc = temp_svc.result()
ingress = temp_ingress.result()
jobs = temp_jobs.result()
roles = temp_role.result()
role_bindings = temp_role_binding.result()
# getting count of each ns objects and printing in table
print ("\n{} namespace details:".format(ns))
data = k8s.NameSpace.get_ns_details(ns_list, deployments, ds, sts, \
pods, svc, ingress, jobs, roles, role_bindings)
# getting total object-wise count across the cluster
total_ns, total_deploy, total_ds, total_sts, total_pods, total_svc, \
total_ing , total_jobs, total_roles, total_role_bindings \
= 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
for i in data:
total_ns += 1
total_deploy = total_deploy + i[1]
total_ds = total_ds + i[2]
total_sts = total_sts + i[3]
total_pods = total_pods + i[4]
total_svc = total_svc + i[5]
total_ing = total_ing + i[6]
total_jobs = total_jobs + i[7]
total_roles = total_roles + i[8]
total_role_bindings = total_role_bindings + i[9]
if i[1] == 0 and i[2] == 0 and i[3] == 0 and i[4] == 0 and \
not i[0] in ['default', 'kube-node-lease', 'kube-public', 'local']:
empty_ns.append([i[0]])
# calculating cluster-wide count of objects if namespace is no provided
if type(ns_list) != str:
data = k8s.Output.append_hyphen(data, '--------')
data.append(["Total: " + str(total_ns), total_deploy, total_ds,
total_sts, total_pods, total_svc, total_ing, total_jobs, \
total_roles, total_role_bindings ])
headers = ['NAMESPACE', 'DEPLOYMENTS', 'DAEMONSETS', 'STATEFULSETS', \
'PODS', 'SERVICE', 'INGRESS', 'JOBS', 'ROLES', 'ROLE_BINDINGS']
k8s.Output.print_table(data, headers, True, l)
analysis = {"namespace_namespace_property": "namespace_object_count",
"total_namespaces": total_ns,
"total_deployments": total_deploy,
"total_daemonsets": total_ds,
"total_statefulsets": total_sts,
"total_servcies": total_svc,
"total_ingresses": total_ing,
"total_jobs": total_jobs,
"total_roles": total_roles,
"total_rolebindings": total_role_bindings}
json_data_all_ns_detail = k8s.Output.json_out(data[:-2], analysis, headers, 'namespace', 'namespace_details', '')
if l: self.logger.info(json_data_all_ns_detail)
# get namespace wise object details. Will give output in verbose mode
def get_all_object_data(self, ns, v, l):
print (k8s.Output.BOLD + "\nNamespace: " + \
k8s.Output.RESET + "{}".format(ns))
Namespace.get_object_data(self, K8sDeploy.get_deployments(ns, self.logger), \
'deployments', ns, v, l)
Namespace.get_object_data(self, K8sDaemonSet.get_damemonsets(ns, self.logger), \
'damemonsets', ns, v, l)
Namespace.get_object_data(self, K8sStatefulSet.get_sts(ns, self.logger), \
'statefulsets', ns, v, l)
Namespace.get_object_data(self, K8sJobs.get_jobs(ns, self.logger), \
'jobs', ns, v, l)
Namespace.get_object_data(self, K8sService.get_svc(ns, self.logger), \
'services', ns, v, l)
if v:
if type(ns_list) != str:
for item in ns_list.items:
ns = item.metadata.name
k8s.Output.separator(k8s.Output.GREEN, '-', l)
get_all_object_data(self, ns, True, l)
else:
get_all_object_data(self, ns, v, l)
# getting namespaces which are empty
if len(empty_ns) > 0:
k8s.Output.separator(k8s.Output.GREEN, '-', l)
print (k8s.Output.YELLOW + "\n[WARNING] " + k8s.Output.RESET + \
"Below {} namespaces have no workloads running: "\
.format(len(empty_ns)))
k8s.Output.print_table(empty_ns, headers, True, l)
# creating single list of namespace for json parsing
empyt_ns_list = [item for sublist in empty_ns for item in sublist]
analysis = {"namespace_property": "empty_namespace",
"empty_namespace_count": len(empty_ns),
"empty_namespace_list": empyt_ns_list
}
if l: self.logger.info(json.dumps(analysis))
return [ data , pods, svc, deployments, ds, jobs, ingress ]
def call_all(v, ns, l, logger):
call = Namespace(logger)
call.get_ns_data(v, ns, l)
def main():
args = ArgParse.arg_parse()
# args is [u, verbose, ns, l, format, silent]
logger = Logger.get_logger(args.format, args.silent)
if args:
call_all(args.verbose, args.namespace, args.logging, logger)
k8s.Output.time_taken(start_time)
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
print(k8s.Output.RED + "[ERROR] " \
+ k8s.Output.RESET + 'Interrupted from keyboard!')
try:
sys.exit(0)
except SystemExit:
os._exit(0)