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provider-kubeconfig.py
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provider-kubeconfig.py
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import sys
import json
import subprocess
import sys
import os
import yaml
import time
import argparse
from logging.config import dictConfig
dictConfig({
'version': 1,
'formatters': {'default': {
'format': '[%(asctime)s] %(levelname)s in %(module)s: %(message)s',
}},
'handlers': {
'file.handler': {
'class': 'logging.handlers.RotatingFileHandler',
'filename': 'provider-kubeconfig.log',
'maxBytes': 10000000,
'backupCount': 5,
'level': 'DEBUG',
},
},
'root': {
'level': 'INFO',
'handlers': ['file.handler']
}
})
def create_role_rolebinding(contents, name, kubeconfig):
filePath = os.getcwd() + "/" + name
fp = open(filePath, "w")
#json_content = json.dumps(contents)
#fp.write(json_content)
yaml_content = yaml.dump(contents)
fp.write(yaml_content)
fp.close()
#print("---")
#print(yaml_content)
#print("---")
cmd = " kubectl apply -f " + filePath + kubeconfig
run_command(cmd)
def run_command(cmd):
#print("Inside run_command")
#print(cmd)
cmdOut = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()
out = cmdOut[0].decode('utf-8')
err = cmdOut[1].decode('utf-8')
#print(out)
#print("---")
#print(err)
return out, err
class KubeconfigGenerator(object):
def run_command(self, cmd):
#print("Inside run_command")
#print(cmd)
cmdOut = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()
out = cmdOut[0]
err = cmdOut[1]
#print(out)
#print("---")
#print(err)
return out, err
def _create_kubecfg_file(self, sa, namespace, filename, token, ca, server, kubeconfig):
#print("Creating kubecfg file")
top_level_dict = {}
top_level_dict["apiVersion"] = "v1"
top_level_dict["kind"] = "Config"
contextName = sa
usersList = []
usertoken = {}
usertoken["token"] = token
userInfo = {}
userInfo["name"] = sa
userInfo["user"] = usertoken
usersList.append(userInfo)
top_level_dict["users"] = usersList
clustersList = []
cluster_details = {}
cluster_details["server"] = server
# TODO: Use the certificate authority to perform tls
# cluster_details["certificate-authority-data"] = ca
cluster_details["insecure-skip-tls-verify"] = True
clusterInfo = {}
clusterInfo["cluster"] = cluster_details
clusterInfo["name"] = sa
clustersList.append(clusterInfo)
top_level_dict["clusters"] = clustersList
context_details = {}
context_details["cluster"] = sa
context_details["user"] = sa
context_details["namespace"] = namespace
contextInfo = {}
contextInfo["context"] = context_details
contextInfo["name"] = contextName
contextList = []
contextList.append(contextInfo)
top_level_dict["contexts"] = contextList
top_level_dict["current-context"] = contextName
json_file = json.dumps(top_level_dict)
#print("kubecfg file:" + json_file)
fp = open(os.getcwd() + "/" + filename, "w")
fp.write(json_file)
fp.close()
configmapName = sa
created = False
while not created:
cmd = "kubectl create configmap " + configmapName + " -n " + namespace + " --from-file=" + os.getcwd() + "/" + filename + kubeconfig
self.run_command(cmd)
get_cmd = "kubectl get configmap " + configmapName + " -n " + namespace + kubeconfig
output, err = self.run_command(get_cmd)
output = output.decode('utf-8')
if 'Error from server (NotFound)' in output:
time.sleep(2)
print("Trying again..")
else:
created = True
def _apply_consumer_rbac(self, sa, namespace, kubeconfig):
role = {}
role["apiVersion"] = "rbac.authorization.k8s.io/v1"
role["kind"] = "ClusterRole"
metadata = {}
metadata["name"] = sa
role["metadata"] = metadata
# Read all resources
ruleGroup1 = {}
apiGroup1 = ["*",""]
resourceGroup1 = ["*"]
verbsGroup1 = ["get","watch","list"]
ruleGroup1["apiGroups"] = apiGroup1
ruleGroup1["resources"] = resourceGroup1
ruleGroup1["verbs"] = verbsGroup1
# Impersonate users, groups, serviceaccounts
ruleGroup9 = {}
apiGroup9 = [""]
resourceGroup9 = ["users","groups","serviceaccounts"]
verbsGroup9 = ["impersonate"]
ruleGroup9["apiGroups"] = apiGroup9
ruleGroup9["resources"] = resourceGroup9
ruleGroup9["verbs"] = verbsGroup9
# Pod/portforward to open consumerui
ruleGroup10 = {}
apiGroup10 = [""]
resourceGroup10 = ["pods/portforward"]
verbsGroup10 = ["create","get"]
ruleGroup10["apiGroups"] = apiGroup10
ruleGroup10["resources"] = resourceGroup10
ruleGroup10["verbs"] = verbsGroup10
ruleList = []
ruleList.append(ruleGroup1)
ruleList.append(ruleGroup9)
ruleList.append(ruleGroup10)
role["rules"] = ruleList
roleName = sa + "-role-impersonate.yaml"
create_role_rolebinding(role, roleName, kubeconfig)
roleBinding = {}
roleBinding["apiVersion"] = "rbac.authorization.k8s.io/v1"
roleBinding["kind"] = "ClusterRoleBinding"
metadata = {}
metadata["name"] = sa
roleBinding["metadata"] = metadata
subject = {}
subject["kind"] = "ServiceAccount"
subject["name"] = sa
subject["apiGroup"] = ""
subject["namespace"] = namespace
subjectList = []
subjectList.append(subject)
roleBinding["subjects"] = subjectList
roleRef = {}
roleRef["kind"] = "ClusterRole"
roleRef["name"] = sa
roleRef["apiGroup"] = "rbac.authorization.k8s.io"
roleBinding["roleRef"] = roleRef
roleBindingName = sa + "-rolebinding-impersonate.yaml"
create_role_rolebinding(roleBinding, roleBindingName, kubeconfig)
def _apply_provider_rbac(self, sa, namespace, kubeconfig):
role = {}
role["apiVersion"] = "rbac.authorization.k8s.io/v1"
role["kind"] = "ClusterRole"
metadata = {}
metadata["name"] = sa
role["metadata"] = metadata
# all resources
all_resources = []
# Read all resources
ruleGroup1 = {}
apiGroup1 = ["*",""]
resourceGroup1 = ["*"]
verbsGroup1 = ["get","watch","list"]
ruleGroup1["apiGroups"] = apiGroup1
ruleGroup1["resources"] = resourceGroup1
ruleGroup1["verbs"] = verbsGroup1
# CRUD on resourcecompositions et. al.
ruleGroup2 = {}
apiGroup2 = ["workflows.kubeplus"]
resourceGroup2 = ["resourcecompositions","resourcemonitors","resourcepolicies","resourceevents"]
verbsGroup2 = ["get","watch","list","create","delete","update","patch"]
ruleGroup2["apiGroups"] = apiGroup2
ruleGroup2["resources"] = resourceGroup2
ruleGroup2["verbs"] = verbsGroup2
all_resources.extend(resourceGroup2)
# CRUD on clusterroles and clusterrolebindings
ruleGroup3 = {}
apiGroup3 = ["rbac.authorization.k8s.io"]
resourceGroup3 = ["clusterroles","clusterrolebindings","roles","rolebindings"]
verbsGroup3 = ["get","watch","list","create","delete","update","patch","deletecollection"]
ruleGroup3["apiGroups"] = apiGroup3
ruleGroup3["resources"] = resourceGroup3
ruleGroup3["verbs"] = verbsGroup3
all_resources.extend(resourceGroup3)
# CRUD on Port forward
ruleGroup4 = {}
apiGroup4 = [""]
resourceGroup4 = ["pods/portforward"]
verbsGroup4 = ["get","watch","list","create","delete","update","patch"]
ruleGroup4["apiGroups"] = apiGroup4
ruleGroup4["resources"] = resourceGroup4
ruleGroup4["verbs"] = verbsGroup4
all_resources.extend(resourceGroup4)
# CRUD on platformapi.kubeplus
ruleGroup5 = {}
apiGroup5 = ["platformapi.kubeplus"]
resourceGroup5 = ["*"]
verbsGroup5 = ["get","watch","list","create","delete","update","patch"]
ruleGroup5["apiGroups"] = apiGroup5
ruleGroup5["resources"] = resourceGroup5
ruleGroup5["verbs"] = verbsGroup5
# CRUD on secrets, serviceaccounts, configmaps
ruleGroup6 = {}
apiGroup6 = [""]
resourceGroup6 = ["secrets", "serviceaccounts", "configmaps","events","persistentvolumeclaims","serviceaccounts/token","services","services/proxy","endpoints"]
verbsGroup6 = ["get","watch","list","create","delete","update","patch", "deletecollection"]
ruleGroup6["apiGroups"] = apiGroup6
ruleGroup6["resources"] = resourceGroup6
ruleGroup6["verbs"] = verbsGroup6
all_resources.extend(resourceGroup6)
# CRUD on namespaces
ruleGroup7 = {}
apiGroup7 = [""]
resourceGroup7 = ["namespaces"]
verbsGroup7 = ["get","watch","list","create","delete","update","patch"]
ruleGroup7["apiGroups"] = apiGroup7
ruleGroup7["resources"] = resourceGroup7
ruleGroup7["verbs"] = verbsGroup7
all_resources.extend(resourceGroup7)
# CRUD on Deployments
ruleGroup8 = {}
apiGroup8 = ["apps"]
resourceGroup8 = ["deployments","daemonsets","deployments/rollback","deployments/scale","replicasets","replicasets/scale","statefulsets","statefulsets/scale"]
verbsGroup8 = ["get","watch","list","create","delete","update","patch","deletecollection"]
ruleGroup8["apiGroups"] = apiGroup8
ruleGroup8["resources"] = resourceGroup8
ruleGroup8["verbs"] = verbsGroup8
all_resources.extend(resourceGroup8)
# Impersonate users, groups, serviceaccounts
ruleGroup9 = {}
apiGroup9 = [""]
resourceGroup9 = ["users","groups","serviceaccounts"]
verbsGroup9 = ["impersonate"]
ruleGroup9["apiGroups"] = apiGroup9
ruleGroup9["resources"] = resourceGroup9
ruleGroup9["verbs"] = verbsGroup9
all_resources.extend(resourceGroup9)
# Exec into the Pods and others in the "" apiGroup
ruleGroup10 = {}
apiGroup10 = [""]
resourceGroup10 = ["pods","pods/attach","pods/exec","pods/portforward","pods/proxy","pods/eviction","replicationcontrollers","replicationcontrollers/scale"]
verbsGroup10 = ["get","list","create","update","delete","watch","patch","deletecollection"]
ruleGroup10["apiGroups"] = apiGroup10
ruleGroup10["resources"] = resourceGroup10
ruleGroup10["verbs"] = verbsGroup10
all_resources.extend(resourceGroup10)
# AdmissionRegistration
ruleGroup11 = {}
apiGroup11 = ["admissionregistration.k8s.io"]
resourceGroup11 = ["mutatingwebhookconfigurations"]
verbsGroup11 = ["get","create","delete","update"]
ruleGroup11["apiGroups"] = apiGroup11
ruleGroup11["resources"] = resourceGroup11
ruleGroup11["verbs"] = verbsGroup11
all_resources.extend(resourceGroup11)
# APIExtension
ruleGroup12 = {}
apiGroup12 = ["apiextensions.k8s.io"]
resourceGroup12 = ["customresourcedefinitions"]
verbsGroup12 = ["get","create","delete","update", "patch"]
ruleGroup12["apiGroups"] = apiGroup12
ruleGroup12["resources"] = resourceGroup12
ruleGroup12["verbs"] = verbsGroup12
all_resources.extend(resourceGroup12)
# Certificates
ruleGroup13 = {}
apiGroup13 = ["certificates.k8s.io"]
resourceGroup13 = ["signers"]
resourceNames13 = ["kubernetes.io/legacy-unknown","kubernetes.io/kubelet-serving","kubernetes.io/kube-apiserver-client","cloudark.io/kubeplus"]
verbsGroup13 = ["get","create","delete","update", "patch", "approve"]
ruleGroup13["apiGroups"] = apiGroup13
ruleGroup13["resources"] = resourceGroup13
ruleGroup13["resourceNames"] = resourceNames13
ruleGroup13["verbs"] = verbsGroup13
all_resources.extend(resourceGroup13)
# Read all
ruleGroup14 = {}
apiGroup14 = ["*"]
resourceGroup14 = ["*"]
verbsGroup14 = ["get"]
ruleGroup14["apiGroups"] = apiGroup14
ruleGroup14["resources"] = resourceGroup14
ruleGroup14["verbs"] = verbsGroup14
ruleGroup15 = {}
apiGroup15 = ["certificates.k8s.io"]
resourceGroup15 = ["certificatesigningrequests", "certificatesigningrequests/approval"]
verbsGroup15 = ["create","delete","update", "patch"]
ruleGroup15["apiGroups"] = apiGroup15
ruleGroup15["resources"] = resourceGroup15
ruleGroup15["verbs"] = verbsGroup15
all_resources.extend(resourceGroup15)
ruleGroup16 = {}
apiGroup16 = ["extensions"]
resourceGroup16 = ["deployments","daemonsets","deployments/rollback","deployments/scale","replicasets","replicasets/scale","replicationcontrollers/scale","ingresses","networkpolicies"]
verbsGroup16 = ["get","watch","list","create","delete","update","patch","deletecollection"]
ruleGroup16["apiGroups"] = apiGroup16
ruleGroup16["resources"] = resourceGroup16
ruleGroup16["verbs"] = verbsGroup16
all_resources.extend(resourceGroup16)
ruleGroup17 = {}
apiGroup17 = ["networking.k8s.io"]
resourceGroup17 = ["ingresses","networkpolicies"]
verbsGroup17 = ["get","watch","list","create","delete","update","patch","deletecollection"]
ruleGroup17["apiGroups"] = apiGroup17
ruleGroup17["resources"] = resourceGroup17
ruleGroup17["verbs"] = verbsGroup17
all_resources.extend(resourceGroup17)
ruleGroup18 = {}
apiGroup18 = ["authorization.k8s.io"]
resourceGroup18 = ["localsubjectaccessreviews"]
verbsGroup18 = ["create"]
ruleGroup18["apiGroups"] = apiGroup18
ruleGroup18["resources"] = resourceGroup18
ruleGroup18["verbs"] = verbsGroup18
all_resources.extend(resourceGroup18)
ruleGroup19 = {}
apiGroup19 = ["autoscaling"]
resourceGroup19 = ["horizontalpodautoscalers"]
verbsGroup19 = ["create", "delete", "deletecollection", "patch", "update"]
ruleGroup19["apiGroups"] = apiGroup19
ruleGroup19["resources"] = resourceGroup19
ruleGroup19["verbs"] = verbsGroup19
all_resources.extend(resourceGroup19)
ruleGroup20 = {}
apiGroup20 = ["batch"]
resourceGroup20 = ["cronjobs","jobs"]
verbsGroup20 = ["create", "delete", "deletecollection", "patch", "update"]
ruleGroup20["apiGroups"] = apiGroup20
ruleGroup20["resources"] = resourceGroup20
ruleGroup20["verbs"] = verbsGroup20
all_resources.extend(resourceGroup20)
ruleGroup21 = {}
apiGroup21 = ["policy"]
resourceGroup21 = ["poddisruptionbudgets"]
verbsGroup21 = ["create", "delete", "deletecollection", "patch", "update"]
ruleGroup21["apiGroups"] = apiGroup21
ruleGroup21["resources"] = resourceGroup21
ruleGroup21["verbs"] = verbsGroup21
all_resources.extend(resourceGroup21)
ruleGroup22 = {}
apiGroup22 = [""]
resourceGroup22 = ["resourcequotas"]
verbsGroup22 = ["create", "delete", "deletecollection", "patch", "update"]
ruleGroup22["apiGroups"] = apiGroup22
ruleGroup22["resources"] = resourceGroup22
ruleGroup22["verbs"] = verbsGroup22
all_resources.extend(resourceGroup22)
ruleList = []
ruleList.append(ruleGroup1)
ruleList.append(ruleGroup2)
ruleList.append(ruleGroup3)
ruleList.append(ruleGroup4)
ruleList.append(ruleGroup5)
ruleList.append(ruleGroup6)
ruleList.append(ruleGroup7)
ruleList.append(ruleGroup8)
ruleList.append(ruleGroup9)
ruleList.append(ruleGroup10)
ruleList.append(ruleGroup11)
ruleList.append(ruleGroup12)
ruleList.append(ruleGroup13)
ruleList.append(ruleGroup14)
ruleList.append(ruleGroup15)
ruleList.append(ruleGroup16)
ruleList.append(ruleGroup17)
ruleList.append(ruleGroup18)
ruleList.append(ruleGroup19)
ruleList.append(ruleGroup20)
ruleList.append(ruleGroup21)
ruleList.append(ruleGroup22)
role["rules"] = ruleList
roleName = sa + "-role.yaml"
create_role_rolebinding(role, roleName, kubeconfig)
roleBinding = {}
roleBinding["apiVersion"] = "rbac.authorization.k8s.io/v1"
roleBinding["kind"] = "ClusterRoleBinding"
metadata = {}
metadata["name"] = sa
roleBinding["metadata"] = metadata
subject = {}
subject["kind"] = "ServiceAccount"
subject["name"] = sa
subject["apiGroup"] = ""
subject["namespace"] = namespace
subjectList = []
subjectList.append(subject)
roleBinding["subjects"] = subjectList
roleRef = {}
roleRef["kind"] = "ClusterRole"
roleRef["name"] = sa
roleRef["apiGroup"] = "rbac.authorization.k8s.io"
roleBinding["roleRef"] = roleRef
roleBindingName = sa + "-rolebinding.yaml"
create_role_rolebinding(roleBinding, roleBindingName, kubeconfig)
# create configmap to store all resources
fp = open("kubeplus-saas-provider-perms.txt", "w")
all_resources.sort()
all_resources_uniq = []
[all_resources_uniq.append(x) for x in all_resources if x not in all_resources_uniq]
fp.write(str(all_resources_uniq))
fp.close()
cmd = "kubectl create configmap kubeplus-saas-provider-perms -n " + namespace + " --from-file=kubeplus-saas-provider-perms.txt"
self.run_command(cmd)
def _update_rbac(self, permissionfile, sa, namespace, kubeconfig):
role = {}
role["apiVersion"] = "rbac.authorization.k8s.io/v1"
role["kind"] = "ClusterRole"
metadata = {}
metadata["name"] = sa + "-update"
role["metadata"] = metadata
ruleList = []
ruleGroup = {}
fp = open(permissionfile, "r")
data = fp.read()
perms_data = json.loads(data)
perms = perms_data["perms"]
new_resources = []
for apiGroup, res_actions in perms.items():
for res in res_actions:
for resource, verbs in res.items():
print(apiGroup + " " + resource + " " + str(verbs))
if resource not in new_resources:
new_resources.append(resource.strip())
ruleGroup = {}
if apiGroup == "non-apigroup":
if 'nonResourceURL' in resource:
parts = resource.split("nonResourceURL::")
nonRes = parts[0].strip()
ruleGroup['nonResourceURLs'] = [nonRes]
ruleGroup['verbs'] = verbs
else:
ruleGroup["apiGroups"] = [apiGroup]
ruleGroup["verbs"] = verbs
if 'resourceName' in resource:
parts = resource.split("/resourceName::")
resNameParent = parts[0].strip()
resName = parts[1].strip()
ruleGroup["resources"] = [resNameParent]
ruleGroup["resourceNames"] = [resName]
else:
ruleGroup["resources"] = [resource]
ruleList.append(ruleGroup)
role["rules"] = ruleList
roleName = sa + "-update-role.yaml"
create_role_rolebinding(role, roleName, kubeconfig)
roleBinding = {}
roleBinding["apiVersion"] = "rbac.authorization.k8s.io/v1"
roleBinding["kind"] = "ClusterRoleBinding"
metadata = {}
metadata["name"] = sa + "-update"
roleBinding["metadata"] = metadata
subject = {}
subject["kind"] = "ServiceAccount"
subject["name"] = sa
subject["apiGroup"] = ""
subject["namespace"] = namespace
subjectList = []
subjectList.append(subject)
roleBinding["subjects"] = subjectList
roleRef = {}
roleRef["kind"] = "ClusterRole"
roleRef["name"] = sa + "-update"
roleRef["apiGroup"] = "rbac.authorization.k8s.io"
roleBinding["roleRef"] = roleRef
roleBindingName = sa + "-update-rolebinding.yaml"
create_role_rolebinding(roleBinding, roleBindingName, kubeconfig)
# Read configmap to get earlier permissions; delete it and create it with all new permissions:
cmd = "kubectl get configmap kubeplus-saas-provider-perms -o json -n " + namespace
out1, err1 = self.run_command(cmd)
print("Original Perms Out:" + str(out1))
print("Perms Err:" + str(err1))
kubeplus_perms = []
if out1 != '':
json_op = json.loads(out1)
perms = json_op['data']['kubeplus-saas-provider-perms.txt']
print(perms)
k_perms = perms.split(",")
for p in k_perms:
p = p.replace("'","")
p = p.replace("[","")
p = p.replace("]","")
p = p.strip()
kubeplus_perms.append(p)
new_resources.extend(kubeplus_perms)
print("New perms:" + str(new_resources))
cmd = "kubectl delete configmap kubeplus-saas-provider-perms -n " + namespace
self.run_command(cmd)
# create configmap to store all resources
fp = open("kubeplus-saas-provider-perms.txt", "w")
new_resources.sort()
new_resources_uniq = []
[new_resources_uniq.append(x) for x in new_resources if x not in new_resources_uniq]
fp.write(str(new_resources_uniq))
fp.close()
cmd = "kubectl create configmap kubeplus-saas-provider-perms -n " + namespace + " --from-file=kubeplus-saas-provider-perms.txt"
self.run_command(cmd)
def _apply_rbac(self, sa, namespace, entity='', kubeconfig=''):
if entity == 'provider':
self._apply_provider_rbac(sa, namespace, kubeconfig)
if entity == 'consumer':
self._apply_consumer_rbac(sa, namespace, kubeconfig)
def _create_secret(self, sa, namespace, kubeconfig):
annotations = {}
annotations['kubernetes.io/service-account.name'] = sa
metadata = {}
metadata['name'] = sa
metadata['namespace'] = namespace
metadata['annotations'] = annotations
secret = {}
secret['apiVersion'] = "v1"
secret['kind'] = "Secret"
secret['metadata'] = metadata
secret['type'] = 'kubernetes.io/service-account-token'
secretName = sa + "-secret.yaml"
filePath = os.getcwd() + "/" + secretName
fp = open(filePath, "w")
yaml_content = yaml.dump(secret)
fp.write(yaml_content)
fp.close()
#print("---")
#print(yaml_content)
#print("---")
created = False
count = 0
while not created and count < 5:
cmd = " kubectl create -f " + filePath + kubeconfig
out, err = self.run_command(cmd)
if out != '':
out = out.decode('utf-8').strip()
#print(out)
if 'created' in out:
created = True
else:
time.sleep(2)
count = count + 1
#print("Create secret:" + out)
if not created and count >= 5:
print(err)
sys.exit()
return out
def _extract_kubeconfig(self, sa, namespace, filename, serverip='', kubecfg=''):
#print("Extracting kubeconfig")
secretName = sa
tokenFound = False
kubeconfig = kubecfg
api_server_ip = serverip
cmdprefix = ""
while not tokenFound:
cmd1 = " kubectl describe secret " + secretName + " -n " + namespace + kubeconfig
cmdToRun = cmdprefix + " " + cmd1
out1 = subprocess.Popen(cmdToRun, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()[0]
out1 = out1.decode('utf-8')
#print(out1)
token = ''
for line in out1.split("\n"):
if 'token' in line:
parts = line.split(":")
token = parts[1].strip()
if token != '':
tokenFound = True
else:
time.sleep(2)
cmd1 = " kubectl get secret " + secretName + " -n " + namespace + " -o json " + kubeconfig
cmdToRun = cmdprefix + " " + cmd1
out1 = subprocess.Popen(cmdToRun, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()[0]
out1 = out1.decode('utf-8')
json_output1 = json.loads(out1)
ca_cert = json_output1["data"]["ca.crt"].strip()
#print("CA Cert:" + ca_cert)
#cmd2 = " kubectl config view --minify -o json "
server = ''
if api_server_ip == '':
cmd2 = "kubectl -n default get endpoints kubernetes " + kubeconfig + " | awk '{print $2}' | grep -v ENDPOINTS"
cmdToRun = cmdprefix + " " + cmd2
out2 = subprocess.Popen(cmdToRun, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()[0]
#print("Config view Minify:")
#print(out2)
out2 = out2.decode('utf-8')
#json_output2 = json.loads(out2)
#server = json_output2["clusters"][0]["cluster"]["server"].strip()
server = out2.strip()
server = "https://" + server
else:
if "https" not in api_server_ip:
server = "https://" + api_server_ip
else:
server = api_server_ip
#print("Kube API Server:" + server)
self._create_kubecfg_file(sa, namespace, filename, token, ca_cert, server, kubeconfig)
def _generate_kubeconfig(self, sa, namespace, filename, api_server_ip='', kubeconfig=''):
cmdprefix = ""
cmd = " kubectl create sa " + sa + " -n " + namespace + kubeconfig
cmdToRun = cmdprefix + " " + cmd
self.run_command(cmdToRun)
#cmd = " kubectl get sa " + sa + " -n " + namespace + " -o json "
#cmdToRun = cmdprefix + " " + cmd
#out = subprocess.Popen(cmdToRun, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()[0]
secretName = sa
out = self._create_secret(secretName, namespace, kubeconfig)
#print("Create secret:" + out)
if 'secret/' + sa + ' created' in out:
#json_output = json.loads(out)
#secretName = json_output["secrets"][0]["name"]
#print("Secret Name:" + secretName)
# Moving from here
#print("Got secret token")
self._extract_kubeconfig(sa, namespace, filename, serverip=api_server_ip, kubecfg=kubeconfig)
if __name__ == '__main__':
kubeconfigPath = os.getenv("HOME") + "/.kube/config"
parser = argparse.ArgumentParser()
parser.add_argument("action", help="command", choices=['create', 'delete', 'update', 'extract'])
parser.add_argument("namespace", help="namespace in which KubePlus will be installed.")
parser.add_argument("-k", "--kubeconfig", help='''This flag is used to specify the path
of the kubeconfig file that should be used for executing steps in provider-kubeconfig.
The default value is ~/.kube/config''')
parser.add_argument("-s", "--apiserverurl", help='''This flag is to be used to pass the API Server URL of the
API server on which KubePlus is installed. This API Server URL will be used in constructing the
server endpoint in the provider kubeconfig. Use the command
`kubectl config view --minify -o jsonpath='{.clusters[0].cluster.server}'`
to retrieve the API Server URL.''')
parser.add_argument("-f", "--filename", help='''This flag is used to specify the
output file name in which generated provider kubeconfig will be store
(The default value is kubeplus-saas-provider.json)''')
permission_help = "permissions file - use with update command.\n"
permission_help = permission_help + "Should be a JSON file with the following structure:\n"
permission_help = permission_help + "{perms:{<apiGroup1>:[{resource1|resource/resourceName::<resourceName>: [verb1, verb2, ...]}, {resource2: [..]}], {<apiGroup2>:[...]}}}"
parser.add_argument("-p", "--permissionfile", help=permission_help)
args = parser.parse_args()
#print(args.action)
#print(args.namespace)
action = args.action
namespace = args.namespace
if args.kubeconfig:
#print("Kubeconfig file:" + args.kubeconfig)
kubeconfigPath = args.kubeconfig
kubeconfigString = " --kubeconfig=" + kubeconfigPath
api_s_ip = ''
if args.apiserverurl:
#print("Server ip:" + args.serverip)
api_s_ip = args.apiserverurl
permission_file = ''
if args.permissionfile:
#print("Permission file:" + args.permissionfile)
permission_file = args.permissionfile
if action == 'update' and permission_file == '':
print("Permission file missing. Please provide permission file.")
print(permission_help)
exit(0)
kubeconfigGenerator = KubeconfigGenerator()
sa = 'kubeplus-saas-provider'
filename = sa
if args.filename:
filename = args.filename
if not filename.endswith(".json"):
filename += ".json"
if action == "create":
if permission_file:
print("Permissions file should be used with update command.")
exit(1)
create_ns = "kubectl get ns " + namespace + kubeconfigString
out, err = run_command(create_ns)
if 'not found' in out or 'not found' in err:
run_command(create_ns)
cmd = "kubectl label --overwrite=true ns " + namespace + " managedby=kubeplus " + kubeconfigString
run_command(cmd)
# 1. Generate Provider kubeconfig
kubeconfigGenerator._generate_kubeconfig(sa, namespace, filename, api_server_ip=api_s_ip, kubeconfig=kubeconfigString)
kubeconfigGenerator._apply_rbac(sa, namespace, entity='provider', kubeconfig=kubeconfigString)
print("Provider kubeconfig created: " + filename)
if action == "extract":
kubeconfigGenerator._extract_kubeconfig(sa, namespace, filename, serverip=api_s_ip, kubecfg=kubeconfigString)
print("Provider kubeconfig created: " + filename)
if action == "update":
kubeconfigGenerator._update_rbac(permission_file, sa, namespace, kubeconfigString)
print("Provider kubeconfig permissions updated: " + filename)
if action == "delete":
run_command("kubectl delete sa " + sa + " -n " + namespace + kubeconfigString)
run_command("kubectl delete configmap " + sa + " -n " + namespace + kubeconfigString)
run_command("kubectl delete clusterrole " + sa + " -n " + namespace + kubeconfigString)
run_command("kubectl delete clusterrolebinding " + sa + " -n " + namespace + kubeconfigString)
run_command("kubectl delete clusterrole " + sa + "-update" + " -n " + namespace + kubeconfigString)
run_command("kubectl delete clusterrolebinding " + sa + "-update" + " -n " + namespace + kubeconfigString)
run_command("kubectl delete configmap kubeplus-saas-provider-perms -n " + namespace)
cwd = os.getcwd()
run_command("rm " + cwd + "/kubeplus-saas-provider-secret.yaml")
run_command("rm " + cwd + "/" + filename)
run_command("rm " + cwd + "/kubeplus-saas-provider-role.yaml")
run_command("rm " + cwd + "/kubeplus-saas-provider-update-role.yaml")
run_command("rm " + cwd + "/kubeplus-saas-provider-rolebinding.yaml")
run_command("rm " + cwd + "/kubeplus-saas-provider-update-rolebinding.yaml")
run_command("rm " + cwd + "/kubeplus-saas-provider-perms.txt")
run_command("rm " + cwd + "/kubeplus-saas-provider-perms-update.txt")