/
create-external-cluster-resources.py
1264 lines (1182 loc) · 65.5 KB
/
create-external-cluster-resources.py
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'''
Copyright 2020 The Rook Authors. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
'''
import errno
import sys
import json
import argparse
import unittest
import re
import requests
import subprocess
from os import linesep as LINESEP
from os import path
# backward compatibility with 2.x
try:
ModuleNotFoundError
except:
ModuleNotFoundError = ImportError
try:
import rados
except ModuleNotFoundError as noModErr:
print("Error: %s\nExiting the script..." % noModErr)
sys.exit(1)
try:
# for 2.7.x
from StringIO import StringIO
except ModuleNotFoundError:
# for 3.x
from io import StringIO
try:
# for 2.7.x
from urlparse import urlparse
except ModuleNotFoundError:
# for 3.x
from urllib.parse import urlparse
class ExecutionFailureException(Exception):
pass
################################################
################## DummyRados ##################
################################################
# this is mainly for testing and could be used where 'rados' is not available
class DummyRados(object):
def __init__(self):
self.return_val = 0
self.err_message = ''
self.state = 'connected'
self.cmd_output_map = {}
self.cmd_names = {}
self._init_cmd_output_map()
self.dummy_host_ip_map = {}
def _init_cmd_output_map(self):
json_file_name = 'test-data/ceph-status-out'
script_dir = path.abspath(path.dirname(__file__))
ceph_status_str = ""
with open(path.join(script_dir, json_file_name), 'r') as json_file:
ceph_status_str = json_file.read()
self.cmd_names['fs ls'] = '''{"format": "json", "prefix": "fs ls"}'''
self.cmd_names['quorum_status'] = '''{"format": "json", "prefix": "quorum_status"}'''
self.cmd_names['caps_change_default_pool_prefix'] = '''{"caps": ["mon", "allow r, allow command quorum_status, allow command version", "mgr", "allow command config", "osd", "allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow rx pool=default.rgw.log, allow x pool=default.rgw.buckets.index"], "entity": "client.healthchecker", "format": "json", "prefix": "auth caps"}'''
self.cmd_names['mgr services'] = '''{"format": "json", "prefix": "mgr services"}'''
# all the commands and their output
self.cmd_output_map[self.cmd_names['fs ls']
] = '''[{"name":"myfs","metadata_pool":"myfs-metadata","metadata_pool_id":2,"data_pool_ids":[3],"data_pools":["myfs-data0"]}]'''
self.cmd_output_map[self.cmd_names['quorum_status']] = '''{"election_epoch":3,"quorum":[0],"quorum_names":["a"],"quorum_leader_name":"a","quorum_age":14385,"features":{"quorum_con":"4540138292836696063","quorum_mon":["kraken","luminous","mimic","osdmap-prune","nautilus","octopus"]},"monmap":{"epoch":1,"fsid":"af4e1673-0b72-402d-990a-22d2919d0f1c","modified":"2020-05-07T03:36:39.918035Z","created":"2020-05-07T03:36:39.918035Z","min_mon_release":15,"min_mon_release_name":"octopus","features":{"persistent":["kraken","luminous","mimic","osdmap-prune","nautilus","octopus"],"optional":[]},"mons":[{"rank":0,"name":"a","public_addrs":{"addrvec":[{"type":"v2","addr":"10.110.205.174:3300","nonce":0},{"type":"v1","addr":"10.110.205.174:6789","nonce":0}]},"addr":"10.110.205.174:6789/0","public_addr":"10.110.205.174:6789/0","priority":0,"weight":0}]}}'''
self.cmd_output_map[self.cmd_names['mgr services']
] = '''{"dashboard":"https://ceph-dashboard:8443/","prometheus":"http://ceph-dashboard-db:9283/"}'''
self.cmd_output_map['''{"caps": ["mon", "allow r, allow command quorum_status", "osd", "allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow x pool=default.rgw.buckets.index"], "entity": "client.healthchecker", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.healthchecker","key":"AQDFkbNeft5bFRAATndLNUSEKruozxiZi3lrdA==","caps":{"mon":"allow r, allow command quorum_status","osd":"allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow x pool=default.rgw.buckets.index"}}]'''
self.cmd_output_map['''{"caps": ["mon", "profile rbd", "osd", "profile rbd"], "entity": "client.csi-rbd-node", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-rbd-node","key":"AQBOgrNeHbK1AxAAubYBeV8S1U/GPzq5SVeq6g==","caps":{"mon":"profile rbd","osd":"profile rbd"}}]'''
self.cmd_output_map['''{"caps": ["mon", "profile rbd", "mgr", "allow rw", "osd", "profile rbd"], "entity": "client.csi-rbd-provisioner", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-rbd-provisioner","key":"AQBNgrNe1geyKxAA8ekViRdE+hss5OweYBkwNg==","caps":{"mgr":"allow rw","mon":"profile rbd","osd":"profile rbd"}}]'''
self.cmd_output_map['''{"caps": ["mon", "allow r", "mgr", "allow rw", "osd", "allow rw tag cephfs *=*", "mds", "allow rw"], "entity": "client.csi-cephfs-node", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-cephfs-node","key":"AQBOgrNeENunKxAAPCmgE7R6G8DcXnaJ1F32qg==","caps":{"mds":"allow rw","mgr":"allow rw","mon":"allow r","osd":"allow rw tag cephfs *=*"}}]'''
self.cmd_output_map['''{"caps": ["mon", "allow r", "mgr", "allow rw", "osd", "allow rw tag cephfs metadata=*"], "entity": "client.csi-cephfs-provisioner", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-cephfs-provisioner","key":"AQBOgrNeAFgcGBAAvGqKOAD0D3xxmVY0R912dg==","caps":{"mgr":"allow rw","mon":"allow r","osd":"allow rw tag cephfs metadata=*"}}]'''
self.cmd_output_map['''{"caps": ["mon", "allow r", "mgr", "allow rw", "osd", "allow rw tag cephfs metadata=myfs-metadata"], "entity": "client.csi-cephfs-provisioner", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-cephfs-provisioner","key":"BQBOgrNeAFgcGBAAvGqKOAD0D3xxmVY0R912dg==","caps":{"mgr":"allow rw","mon":"allow r","osd":"allow rw tag cephfs metadata=myfs-metadata"}}]'''
self.cmd_output_map['''{"caps": ["mon", "allow r", "mgr", "allow rw", "osd", "allow rw tag cephfs metadata=myfs-metadata"], "entity": "client.csi-cephfs-provisioner-openshift-storage", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.csi-cephfs-provisioner-openshift-storage","key":"CQBOgrNeAFgcGBAAvGqKOAD0D3xxmVY0R912dg==","caps":{"mgr":"allow rw","mon":"allow r","osd":"allow rw tag cephfs metadata=myfs-metadata"}}]'''
self.cmd_output_map['''{"caps": ["mon", "allow r, allow command quorum_status, allow command version", "mgr", "allow command config", "osd", "allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow rx pool=default.rgw.log, allow x pool=default.rgw.buckets.index"], "entity": "client.healthchecker", "format": "json", "prefix": "auth get-or-create"}'''] = '''[{"entity":"client.healthchecker","key":"AQDFkbNeft5bFRAATndLNUSEKruozxiZi3lrdA==","caps":{"mon": "allow r, allow command quorum_status, allow command version", "mgr": "allow command config", "osd": "allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow rx pool=default.rgw.log, allow x pool=default.rgw.buckets.index"}}]'''
self.cmd_output_map['''{"format": "json", "prefix": "mgr services"}'''] = '''{"dashboard": "http://rook-ceph-mgr-a-57cf9f84bc-f4jnl:7000/", "prometheus": "http://rook-ceph-mgr-a-57cf9f84bc-f4jnl:9283/"}'''
self.cmd_output_map['''{"entity": "client.healthchecker", "format": "json", "prefix": "auth get"}'''] = '''{"dashboard": "http://rook-ceph-mgr-a-57cf9f84bc-f4jnl:7000/", "prometheus": "http://rook-ceph-mgr-a-57cf9f84bc-f4jnl:9283/"}'''
self.cmd_output_map['''{"entity": "client.healthchecker", "format": "json", "prefix": "auth get"}'''] = '''[{"entity":"client.healthchecker","key":"AQDFkbNeft5bFRAATndLNUSEKruozxiZi3lrdA==","caps":{"mon": "allow r, allow command quorum_status, allow command version", "mgr": "allow command config", "osd": "allow rwx pool=default.rgw.meta, allow r pool=.rgw.root, allow rw pool=default.rgw.control, allow rx pool=default.rgw.log, allow x pool=default.rgw.buckets.index"}}]'''
self.cmd_output_map[self.cmd_names['caps_change_default_pool_prefix']] = '''[{}]'''
self.cmd_output_map['{"format": "json", "prefix": "status"}'] = ceph_status_str
def shutdown(self):
pass
def get_fsid(self):
return 'af4e1673-0b72-402d-990a-22d2919d0f1c'
def conf_read_file(self):
pass
def connect(self):
pass
def pool_exists(self, pool_name):
return True
def mon_command(self, cmd, out):
json_cmd = json.loads(cmd)
json_cmd_str = json.dumps(json_cmd, sort_keys=True)
cmd_output = self.cmd_output_map[json_cmd_str]
return self.return_val, \
cmd_output, \
"{}".format(self.err_message).encode('utf-8')
def _convert_hostname_to_ip(self, host_name):
ip_reg_x = re.compile(r'\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}')
# if provided host is directly an IP address, return the same
if ip_reg_x.match(host_name):
return host_name
import random
host_ip = self.dummy_host_ip_map.get(host_name, "")
if not host_ip:
host_ip = "172.9.{}.{}".format(
random.randint(0, 254), random.randint(0, 254))
self.dummy_host_ip_map[host_name] = host_ip
del random
return host_ip
@classmethod
def Rados(conffile=None):
return DummyRados()
class RadosJSON:
EXTERNAL_USER_NAME = "client.healthchecker"
EXTERNAL_RGW_ADMIN_OPS_USER_NAME = "rgw-admin-ops-user"
EMPTY_OUTPUT_LIST = "Empty output list"
DEFAULT_RGW_POOL_PREFIX = "default"
DEFAULT_MONITORING_ENDPOINT_PORT = "9283"
@classmethod
def gen_arg_parser(cls, args_to_parse=None):
argP = argparse.ArgumentParser()
common_group = argP.add_argument_group('common')
common_group.add_argument("--verbose", "-v",
action='store_true', default=False)
common_group.add_argument("--ceph-conf", "-c",
help="Provide a ceph conf file.", type=str)
common_group.add_argument("--run-as-user", "-u", default="", type=str,
help="Provides a user name to check the cluster's health status, must be prefixed by 'client.'")
common_group.add_argument("--cluster-name", default="",
help="Ceph cluster name")
common_group.add_argument("--namespace", default="",
help="Namespace where CephCluster is running")
common_group.add_argument("--rgw-pool-prefix", default="",
help="RGW Pool prefix")
common_group.add_argument("--restricted-auth-permission", default=False,
help="Restricted cephCSIKeyrings auth permissions to specific pools and cluster. Mandatory flags that are needed to be set --cephfs-metadata-pool-name, --cephfs-data-pool-name and --rbd-data-pool-name. Note: Restricting the users per pool and per cluster will require to create new users and new secrets for that users.")
output_group = argP.add_argument_group('output')
output_group.add_argument("--format", "-t", choices=["json", "bash"],
default='json', help="Provides the output format (json | bash)")
output_group.add_argument("--output", "-o", default="",
help="Output will be stored into the provided file")
output_group.add_argument("--cephfs-filesystem-name", default="",
help="Provides the name of the Ceph filesystem")
output_group.add_argument("--cephfs-metadata-pool-name", default="",
help="Provides the name of the cephfs metadata pool")
output_group.add_argument("--cephfs-data-pool-name", default="",
help="Provides the name of the cephfs data pool")
output_group.add_argument("--rbd-data-pool-name", default="", required=False,
help="Provides the name of the RBD datapool")
output_group.add_argument("--rgw-endpoint", default="", required=False,
help="Rados GateWay endpoint (in <IP>:<PORT> format)")
output_group.add_argument("--rgw-tls-cert-path", default="", required=False,
help="Rados GateWay endpoint TLS certificate")
output_group.add_argument("--rgw-skip-tls", required=False, default=False,
help="Ignore TLS certification validation when a self-signed certificate is provided (NOT RECOMMENDED")
output_group.add_argument("--monitoring-endpoint", default="", required=False,
help="Ceph Manager prometheus exporter endpoints (comma separated list of <IP> entries of active and standby mgrs)")
output_group.add_argument("--monitoring-endpoint-port", default="", required=False,
help="Ceph Manager prometheus exporter port")
output_group.add_argument("--dry-run", default=False, action='store_true',
help="Dry run the python script")
upgrade_group = argP.add_argument_group('upgrade')
upgrade_group.add_argument("--upgrade", action='store_true', default=False,
help="Upgrades the 'user' with all the permissions needed for the new cluster version")
if args_to_parse:
assert type(args_to_parse) == list, \
"Argument to 'gen_arg_parser' should be a list"
else:
args_to_parse = sys.argv[1:]
return argP.parse_args(args_to_parse)
def dry_run(self, msg):
if self._arg_parser.dry_run:
print("The script is " + msg)
def validate_rgw_endpoint_tls_cert(self):
if self._arg_parser.rgw_tls_cert_path:
with open(self._arg_parser.rgw_tls_cert_path, encoding='utf8') as f:
contents = f.read()
return contents.rstrip()
def _check_conflicting_options(self):
if not self._arg_parser.upgrade and not self._arg_parser.rbd_data_pool_name:
raise ExecutionFailureException(
"Either '--upgrade' or '--rbd-data-pool-name <pool_name>' should be specified")
if self._arg_parser.upgrade and self._arg_parser.rbd_data_pool_name:
raise ExecutionFailureException(
"Both '--upgrade' and '--rbd-data-pool-name <pool_name>' should not be specified, choose only one")
# a user name must be provided while using '--upgrade' option
if not self._arg_parser.run_as_user and self._arg_parser.upgrade:
raise ExecutionFailureException(
"Please provide an existing user-name through '--run-as-user' (or '-u') flag while upgrading")
def _invalid_endpoint(self, endpoint_str):
try:
ipv4, port = endpoint_str.split(':')
except ValueError:
raise ExecutionFailureException(
"Not a proper endpoint: {}, <IPv4>:<PORT>, format is expected".format(endpoint_str))
ipParts = ipv4.split('.')
if len(ipParts) != 4:
raise ExecutionFailureException(
"Not a valid IP address: {}".format(ipv4))
for eachPart in ipParts:
if not eachPart.isdigit():
raise ExecutionFailureException(
"IP address parts should be numbers: {}".format(ipv4))
intPart = int(eachPart)
if intPart < 0 or intPart > 254:
raise ExecutionFailureException(
"Out of range IP addresses: {}".format(ipv4))
if not port.isdigit():
raise ExecutionFailureException("Port not valid: {}".format(port))
intPort = int(port)
if intPort < 1 or intPort > 2**16-1:
raise ExecutionFailureException(
"Out of range port number: {}".format(port))
return False
def endpoint_dial(self, endpoint_str, timeout=3, cert=None):
# if the 'cluster' instance is a dummy one,
# don't try to reach out to the endpoint
if isinstance(self.cluster, DummyRados):
return
protocols = ["http", "https"]
for prefix in protocols:
try:
ep = "{}://{}".format(prefix, endpoint_str)
# If verify is set to a path to a directory,
# the directory must have been processed using the c_rehash utility supplied with OpenSSL.
if prefix == "https" and cert and self._arg_parser.rgw_skip_tls:
r = requests.head(ep, timeout=timeout, verify=False)
elif prefix == "https" and cert:
r = requests.head(ep, timeout=timeout, verify=cert)
else:
r = requests.head(ep, timeout=timeout)
if r.status_code == 200:
return
except:
continue
raise ExecutionFailureException(
"unable to connect to endpoint: {}".format(endpoint_str))
def __init__(self, arg_list=None):
self.out_map = {}
self._excluded_keys = set()
self._arg_parser = self.gen_arg_parser(args_to_parse=arg_list)
self._check_conflicting_options()
self.run_as_user = self._arg_parser.run_as_user
self.output_file = self._arg_parser.output
self.ceph_conf = self._arg_parser.ceph_conf
self.MIN_USER_CAP_PERMISSIONS = {
'mgr': 'allow command config',
'mon': 'allow r, allow command quorum_status, allow command version',
'osd': "allow rwx pool={0}.rgw.meta, " +
"allow r pool=.rgw.root, " +
"allow rw pool={0}.rgw.control, " +
"allow rx pool={0}.rgw.log, " +
"allow x pool={0}.rgw.buckets.index"
}
# if user not provided, give a default user
if not self.run_as_user and not self._arg_parser.upgrade:
self.run_as_user = self.EXTERNAL_USER_NAME
if not self._arg_parser.rgw_pool_prefix and not self._arg_parser.upgrade:
self._arg_parser.rgw_pool_prefix = self.DEFAULT_RGW_POOL_PREFIX
if self.ceph_conf:
self.cluster = rados.Rados(conffile=self.ceph_conf)
else:
self.cluster = rados.Rados()
self.cluster.conf_read_file()
self.cluster.connect()
def shutdown(self):
if self.cluster.state == "connected":
self.cluster.shutdown()
def get_fsid(self):
if self._arg_parser.dry_run:
return self.dry_run("running ceph fsid")
return str(self.cluster.get_fsid())
def _common_cmd_json_gen(self, cmd_json):
cmd = json.dumps(cmd_json, sort_keys=True)
ret_val, cmd_out, err_msg = self.cluster.mon_command(cmd, b'')
if self._arg_parser.verbose:
print("Command Input: {}".format(cmd))
print("Return Val: {}\nCommand Output: {}\nError Message: {}\n----------\n".format(
ret_val, cmd_out, err_msg))
json_out = {}
# if there is no error (i.e; ret_val is ZERO) and 'cmd_out' is not empty
# then convert 'cmd_out' to a json output
if ret_val == 0 and cmd_out:
json_out = json.loads(cmd_out)
return ret_val, json_out, err_msg
def get_ceph_external_mon_data(self):
cmd_json = {"prefix": "quorum_status", "format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'quorum_status' command failed.\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
q_leader_name = json_out['quorum_leader_name']
q_leader_details = {}
q_leader_matching_list = [l for l in json_out['monmap']['mons']
if l['name'] == q_leader_name]
if len(q_leader_matching_list) == 0:
raise ExecutionFailureException("No matching 'mon' details found")
q_leader_details = q_leader_matching_list[0]
# get the address vector of the quorum-leader
q_leader_addrvec = q_leader_details.get(
'public_addrs', {}).get('addrvec', [])
# if the quorum-leader has only one address in the address-vector
# and it is of type 'v2' (ie; with <IP>:3300),
# raise an exception to make user aware that
# they have to enable 'v1' (ie; with <IP>:6789) type as well
if len(q_leader_addrvec) == 1 and q_leader_addrvec[0]['type'] == 'v2':
raise ExecutionFailureException(
"Only 'v2' address type is enabled, user should also enable 'v1' type as well")
ip_port = str(q_leader_details['public_addr'].split('/')[0])
return "{}={}".format(str(q_leader_name), ip_port)
def _join_host_port(self, endpoint, port):
port = "{}".format(port)
# regex to check the given endpoint is enclosed in square brackets
ipv6_regx = re.compile(r'^\[[^]]*\]$')
# endpoint has ':' in it and if not (already) enclosed in square brackets
if endpoint.count(':') and not ipv6_regx.match(endpoint):
endpoint = '[{}]'.format(endpoint)
if not port:
return endpoint
return ':'.join([endpoint, port])
def _convert_hostname_to_ip(self, host_name):
# if 'cluster' instance is a dummy type,
# call the dummy instance's "convert" method
if not host_name:
raise ExecutionFailureException("Empty hostname provided")
if isinstance(self.cluster, DummyRados):
return self.cluster._convert_hostname_to_ip(host_name)
import socket
ip = socket.gethostbyname(host_name)
del socket
return ip
def get_active_and_standby_mgrs(self):
if self._arg_parser.dry_run:
return "", self.dry_run("running command ceph status")
monitoring_endpoint_port = self._arg_parser.monitoring_endpoint_port
monitoring_endpoint_ip_list = self._arg_parser.monitoring_endpoint
standby_mgrs = []
if not monitoring_endpoint_ip_list:
cmd_json = {"prefix": "status", "format": "json"}
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'mgr services' command failed.\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
monitoring_endpoint = json_out.get('mgrmap', {}).get(
'services', {}).get('prometheus', '')
if not monitoring_endpoint:
raise ExecutionFailureException(
"'prometheus' service not found, is the exporter enabled?'.\n")
# now check the stand-by mgr-s
standby_arr = json_out.get('mgrmap', {}).get('standbys', [])
for each_standby in standby_arr:
if 'name' in each_standby.keys():
standby_mgrs.append(each_standby['name'])
try:
parsed_endpoint = urlparse(monitoring_endpoint)
except ValueError:
raise ExecutionFailureException(
"invalid endpoint: {}".format(monitoring_endpoint))
monitoring_endpoint_ip_list = parsed_endpoint.hostname
if not monitoring_endpoint_port:
monitoring_endpoint_port = "{}".format(parsed_endpoint.port)
# if monitoring endpoint port is not set, put a default mon port
if not monitoring_endpoint_port:
monitoring_endpoint_port = self.DEFAULT_MONITORING_ENDPOINT_PORT
# user could give comma and space separated inputs (like --monitoring-endpoint="<ip1>, <ip2>")
monitoring_endpoint_ip_list = monitoring_endpoint_ip_list.replace(
",", " ")
monitoring_endpoint_ip_list_split = monitoring_endpoint_ip_list.split()
# if monitoring-endpoint could not be found, raise an error
if len(monitoring_endpoint_ip_list_split) == 0:
raise ExecutionFailureException("No 'monitoring-endpoint' found")
# first ip is treated as the main monitoring-endpoint
monitoring_endpoint_ip = monitoring_endpoint_ip_list_split[0]
# rest of the ip-s are added to the 'standby_mgrs' list
standby_mgrs.extend(monitoring_endpoint_ip_list_split[1:])
try:
failed_ip = monitoring_endpoint_ip
monitoring_endpoint_ip = self._convert_hostname_to_ip(
monitoring_endpoint_ip)
# collect all the 'stand-by' mgr ips
mgr_ips = []
for each_standby_mgr in standby_mgrs:
failed_ip = each_standby_mgr
mgr_ips.append(
self._convert_hostname_to_ip(each_standby_mgr))
except:
raise ExecutionFailureException(
"Conversion of host: {} to IP failed. "
"Please enter the IP addresses of all the ceph-mgrs with the '--monitoring-endpoint' flag".format(failed_ip))
monitoring_endpoint = self._join_host_port(
monitoring_endpoint_ip, monitoring_endpoint_port)
self._invalid_endpoint(monitoring_endpoint)
self.endpoint_dial(monitoring_endpoint)
# add the validated active mgr IP into the first index
mgr_ips.insert(0, monitoring_endpoint_ip)
all_mgr_ips_str = ",".join(mgr_ips)
return all_mgr_ips_str, monitoring_endpoint_port
def create_cephCSIKeyring_cephFSProvisioner(self):
'''
command: ceph auth get-or-create client.csi-cephfs-provisioner mon 'allow r' mgr 'allow rw' osd 'allow rw tag cephfs metadata=*'
'''
metadata_pool = self._arg_parser.cephfs_metadata_pool_name
cluster_name = self._arg_parser.cluster_name
entity = "client.csi-cephfs-provisioner"
if cluster_name:
entity = "client.csi-cephfs-provisioner-{}".format(cluster_name)
cmd_json = {}
if self._arg_parser.restricted_auth_permission:
if metadata_pool == "":
raise ExecutionFailureException(
"'cephfs_metadata_pool_name' not found, please set the '--cephfs-metadata-pool-name' flag")
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "allow r", "mgr", "allow rw",
"osd", "allow rw tag cephfs metadata={}".format(metadata_pool)],
"format": "json"}
else:
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "allow r", "mgr", "allow rw",
"osd", "allow rw tag cephfs metadata=*"],
"format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'] + " " + cmd_json['entity'] + " " + cmd_json['caps'][0])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'auth get-or-create client.csi-cephfs-provisioner' command failed.\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
return str(json_out[0]['key'])
def create_cephCSIKeyring_cephFSNode(self):
data_pool = self._arg_parser.cephfs_data_pool_name
cluster_name = self._arg_parser.cluster_name
entity = "client.csi-cephfs-node"
if cluster_name:
entity = "client.csi-cephfs-node-{}".format(cluster_name)
cmd_json = {}
if self._arg_parser.restricted_auth_permission:
if data_pool == "":
raise ExecutionFailureException(
"'cephfs_data_pool_name' not found, please set the '--cephfs-data-pool-name' flag")
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "allow r",
"mgr", "allow rw",
"osd", "allow rw tag cephfs data={}".format(
data_pool),
"mds", "allow rw"],
"format": "json"}
else:
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "allow r",
"mgr", "allow rw",
"osd", "allow rw tag cephfs *=*",
"mds", "allow rw"],
"format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'] + " " + cmd_json['entity'] + " " + cmd_json['caps'][0])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'auth get-or-create client.csi-cephfs-node' command failed.\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
return str(json_out[0]['key'])
def create_cephCSIKeyring_RBDProvisioner(self):
rbd_pool_name = self._arg_parser.rbd_data_pool_name
cluster_name = self._arg_parser.cluster_name
entity = "client.csi-rbd-provisioner"
if cluster_name:
entity = "client.csi-rbd-provisioner-{}".format(cluster_name)
cmd_json = {}
if self._arg_parser.restricted_auth_permission:
if rbd_pool_name == "":
raise ExecutionFailureException(
"'rbd_data_pool_name' not found, please set the '--rbd-data-pool-name' flag")
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "profile rbd",
"mgr", "allow rw",
"osd", "profile rbd pool={}".format(rbd_pool_name)],
"format": "json"}
else:
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "profile rbd",
"mgr", "allow rw",
"osd", "profile rbd"],
"format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'] + " " + cmd_json['entity'] + " " + cmd_json['caps'][0])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'auth get-or-create client.csi-rbd-provisioner' command failed.\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
return str(json_out[0]['key'])
def get_cephfs_data_pool_details(self):
cmd_json = {"prefix": "fs ls", "format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt, report an error
if ret_val != 0:
# if fs and data_pool arguments are not set, silently return
if self._arg_parser.cephfs_filesystem_name == "" and self._arg_parser.cephfs_data_pool_name == "":
return
# if user has provided any of the
# '--cephfs-filesystem-name' or '--cephfs-data-pool-name' arguments,
# raise an exception as we are unable to verify the args
raise ExecutionFailureException(
"'fs ls' ceph call failed with error: {}".format(err_msg))
matching_json_out = {}
# if '--cephfs-filesystem-name' argument is provided,
# check whether the provided filesystem-name exists or not
if self._arg_parser.cephfs_filesystem_name:
# get the matching list
matching_json_out_list = [matched for matched in json_out
if str(matched['name']) == self._arg_parser.cephfs_filesystem_name]
# unable to find a matching fs-name, raise an error
if len(matching_json_out_list) == 0:
raise ExecutionFailureException(
("Filesystem provided, '{}', " +
"is not found in the fs-list: '{}'").format(
self._arg_parser.cephfs_filesystem_name,
[str(x['name']) for x in json_out]))
matching_json_out = matching_json_out_list[0]
# if cephfs filesystem name is not provided,
# try to get a default fs name by doing the following
else:
# a. check if there is only one filesystem is present
if len(json_out) == 1:
matching_json_out = json_out[0]
# b. or else, check if data_pool name is provided
elif self._arg_parser.cephfs_data_pool_name:
# and if present, check whether there exists a fs which has the data_pool
for eachJ in json_out:
if self._arg_parser.cephfs_data_pool_name in eachJ['data_pools']:
matching_json_out = eachJ
break
# if there is no matching fs exists, that means provided data_pool name is invalid
if not matching_json_out:
raise ExecutionFailureException(
"Provided data_pool name, {}, does not exists".format(
self._arg_parser.cephfs_data_pool_name))
# c. if nothing is set and couldn't find a default,
else:
# just return silently
return
if matching_json_out:
self._arg_parser.cephfs_filesystem_name = str(
matching_json_out['name'])
self._arg_parser.cephfs_metadata_pool_name = str(
matching_json_out['metadata_pool'])
if type(matching_json_out['data_pools']) == list:
# if the user has already provided data-pool-name,
# through --cephfs-data-pool-name
if self._arg_parser.cephfs_data_pool_name:
# if the provided name is not matching with the one in the list
if self._arg_parser.cephfs_data_pool_name not in matching_json_out['data_pools']:
raise ExecutionFailureException(
"{}: '{}', {}: {}".format(
"Provided data-pool-name",
self._arg_parser.cephfs_data_pool_name,
"doesn't match from the data-pools' list",
[str(x) for x in matching_json_out['data_pools']]))
# if data_pool name is not provided,
# then try to find a default data pool name
else:
# if no data_pools exist, silently return
if len(matching_json_out['data_pools']) == 0:
return
self._arg_parser.cephfs_data_pool_name = str(
matching_json_out['data_pools'][0])
# if there are more than one 'data_pools' exist,
# then warn the user that we are using the selected name
if len(matching_json_out['data_pools']) > 1:
print("{}: {}\n{}: '{}'\n".format(
"WARNING: Multiple data pools detected",
[str(x) for x in matching_json_out['data_pools']],
"Using the data-pool",
self._arg_parser.cephfs_data_pool_name))
def create_cephCSIKeyring_RBDNode(self):
rbd_pool_name = self._arg_parser.rbd_data_pool_name
cluster_name = self._arg_parser.cluster_name
entity = "client.csi-rbd-node"
if cluster_name:
entity = "client.csi-rbd-node-{}".format(cluster_name)
cmd_json = {}
if self._arg_parser.restricted_auth_permission:
if rbd_pool_name == "":
raise ExecutionFailureException(
"'rbd_data_pool_name' not found, please set the '--rbd-data-pool-name' flag")
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "profile rbd",
"osd", "profile rbd pool={}".format(rbd_pool_name)],
"format": "json"}
else:
cmd_json = {"prefix": "auth get-or-create",
"entity": entity,
"caps": ["mon", "profile rbd",
"osd", "profile rbd"],
"format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'] + " " + cmd_json['entity'] + " " + cmd_json['caps'][0])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'auth get-or-create client.csi-rbd-node' command failed\n" +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
return str(json_out[0]['key'])
def create_checkerKey(self):
cmd_json = {"prefix": "auth get-or-create",
"entity": self.run_as_user,
"caps": ["mon", self.MIN_USER_CAP_PERMISSIONS['mon'],
"mgr", self.MIN_USER_CAP_PERMISSIONS['mgr'],
"osd", self.MIN_USER_CAP_PERMISSIONS['osd'].format(self._arg_parser.rgw_pool_prefix)],
"format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'] + " " + cmd_json['entity'] + " " + cmd_json['caps'][0])
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException(
"'auth get-or-create {}' command failed\n".format(self.run_as_user) +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
return str(json_out[0]['key'])
def get_ceph_dashboard_link(self):
cmd_json = {"prefix": "mgr services", "format": "json"}
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + cmd_json['prefix'])
ret_val, json_out, _ = self._common_cmd_json_gen(cmd_json)
# if there is an unsuccessful attempt,
if ret_val != 0 or len(json_out) == 0:
return None
if not 'dashboard' in json_out:
return None
return json_out['dashboard']
def create_rgw_admin_ops_user(self):
cmd = ['radosgw-admin', 'user', 'create', '--uid', self.EXTERNAL_RGW_ADMIN_OPS_USER_NAME, '--display-name',
'Rook RGW Admin Ops user', '--caps', 'buckets=*;users=*;usage=read;metadata=read;zone=read']
if self._arg_parser.dry_run:
return self.dry_run("running command ceph " + "".joing(cmd))
try:
output = subprocess.check_output(cmd,
stderr=subprocess.PIPE)
except subprocess.CalledProcessError as execErr:
# if the user already exists, we just query it
if execErr.returncode == errno.EEXIST:
cmd = ['radosgw-admin', 'user', 'info',
'--uid', self.EXTERNAL_RGW_ADMIN_OPS_USER_NAME
]
try:
output = subprocess.check_output(cmd,
stderr=subprocess.PIPE)
except subprocess.CalledProcessError as execErr:
err_msg = "failed to execute command %s. Output: %s. Code: %s. Error: %s" % (
cmd, execErr.output, execErr.returncode, execErr.stderr)
raise Exception(err_msg)
else:
err_msg = "failed to execute command %s. Output: %s. Code: %s. Error: %s" % (
cmd, execErr.output, execErr.returncode, execErr.stderr)
raise Exception(err_msg)
jsonoutput = json.loads(output)
return jsonoutput["keys"][0]['access_key'], jsonoutput["keys"][0]['secret_key']
def _gen_output_map(self):
if self.out_map:
return
pools_to_validate = [self._arg_parser.rbd_data_pool_name]
# if rgw_endpoint is provided, validate it
if self._arg_parser.rgw_endpoint:
self._invalid_endpoint(self._arg_parser.rgw_endpoint)
self.endpoint_dial(self._arg_parser.rgw_endpoint,
cert=self.validate_rgw_endpoint_tls_cert())
rgw_pool_to_validate = ["{0}.rgw.meta".format(self._arg_parser.rgw_pool_prefix),
".rgw.root",
"{0}.rgw.control".format(
self._arg_parser.rgw_pool_prefix),
"{0}.rgw.log".format(
self._arg_parser.rgw_pool_prefix)]
pools_to_validate.extend(rgw_pool_to_validate)
for pool in pools_to_validate:
if not self.cluster.pool_exists(pool):
raise ExecutionFailureException(
"The provided pool, '{}', does not exist".format(pool))
self._excluded_keys.add('CLUSTER_NAME')
self.get_cephfs_data_pool_details()
self.out_map['NAMESPACE'] = self._arg_parser.namespace
self.out_map['CLUSTER_NAME'] = self._arg_parser.cluster_name
self.out_map['ROOK_EXTERNAL_FSID'] = self.get_fsid()
self.out_map['ROOK_EXTERNAL_USERNAME'] = self.run_as_user
self.out_map['ROOK_EXTERNAL_CEPH_MON_DATA'] = self.get_ceph_external_mon_data()
self.out_map['ROOK_EXTERNAL_USER_SECRET'] = self.create_checkerKey()
self.out_map['ROOK_EXTERNAL_DASHBOARD_LINK'] = self.get_ceph_dashboard_link()
self.out_map['CSI_RBD_NODE_SECRET_SECRET'] = self.create_cephCSIKeyring_RBDNode()
self.out_map['CSI_RBD_PROVISIONER_SECRET'] = self.create_cephCSIKeyring_RBDProvisioner()
self.out_map['CEPHFS_POOL_NAME'] = self._arg_parser.cephfs_data_pool_name
self.out_map['CEPHFS_METADATA_POOL_NAME'] = self._arg_parser.cephfs_metadata_pool_name
self.out_map['CEPHFS_FS_NAME'] = self._arg_parser.cephfs_filesystem_name
self.out_map['RESTRICTED_AUTH_PERMISSION'] = self._arg_parser.restricted_auth_permission
self.out_map['CSI_CEPHFS_NODE_SECRET'] = ''
self.out_map['CSI_CEPHFS_PROVISIONER_SECRET'] = ''
# create CephFS node and provisioner keyring only when MDS exists
if self.out_map['CEPHFS_FS_NAME'] and self.out_map['CEPHFS_POOL_NAME']:
self.out_map['CSI_CEPHFS_NODE_SECRET'] = self.create_cephCSIKeyring_cephFSNode(
)
self.out_map['CSI_CEPHFS_PROVISIONER_SECRET'] = self.create_cephCSIKeyring_cephFSProvisioner()
self.out_map['RGW_ENDPOINT'] = self._arg_parser.rgw_endpoint
self.out_map['RGW_TLS_CERT'] = ''
self.out_map['MONITORING_ENDPOINT'], \
self.out_map['MONITORING_ENDPOINT_PORT'] = self.get_active_and_standby_mgrs()
self.out_map['RBD_POOL_NAME'] = self._arg_parser.rbd_data_pool_name
self.out_map['RGW_POOL_PREFIX'] = self._arg_parser.rgw_pool_prefix
if self._arg_parser.rgw_endpoint:
self.out_map['ACCESS_KEY'], self.out_map['SECRET_KEY'] = self.create_rgw_admin_ops_user()
if self._arg_parser.rgw_tls_cert_path:
self.out_map['RGW_TLS_CERT'] = self.validate_rgw_endpoint_tls_cert()
def gen_shell_out(self):
self._gen_output_map()
shOutIO = StringIO()
for k, v in self.out_map.items():
if v and k not in self._excluded_keys:
shOutIO.write('export {}={}{}'.format(k, v, LINESEP))
shOut = shOutIO.getvalue()
shOutIO.close()
return shOut
def gen_json_out(self):
if self._arg_parser.dry_run:
return self._gen_output_map()
self._gen_output_map()
json_out = [
{
"name": "rook-ceph-mon-endpoints",
"kind": "ConfigMap",
"data": {
"data": self.out_map['ROOK_EXTERNAL_CEPH_MON_DATA'],
"maxMonId": "0",
"mapping": "{}"
}
},
{
"name": "rook-ceph-mon",
"kind": "Secret",
"data": {
"admin-secret": "admin-secret",
"fsid": self.out_map['ROOK_EXTERNAL_FSID'],
"mon-secret": "mon-secret"
},
},
{
"name": "rook-ceph-operator-creds",
"kind": "Secret",
"data": {
"userID": self.out_map['ROOK_EXTERNAL_USERNAME'],
"userKey": self.out_map['ROOK_EXTERNAL_USER_SECRET']
}
},
{
"name": "rook-csi-rbd-node",
"kind": "Secret",
"data": {
"userID": 'csi-rbd-node',
"userKey": self.out_map['CSI_RBD_NODE_SECRET_SECRET']
}
},
{
"name": "ceph-rbd",
"kind": "StorageClass",
"data": {
"pool": self.out_map['RBD_POOL_NAME']
}
},
{
"name": "monitoring-endpoint",
"kind": "CephCluster",
"data": {
"MonitoringEndpoint": self.out_map['MONITORING_ENDPOINT'],
"MonitoringPort": self.out_map['MONITORING_ENDPOINT_PORT']
}
}
]
# if 'ROOK_EXTERNAL_DASHBOARD_LINK' exists, then only add 'rook-ceph-dashboard-link' Secret
if self.out_map['ROOK_EXTERNAL_DASHBOARD_LINK']:
json_out.append({
"name": "rook-ceph-dashboard-link",
"kind": "Secret",
"data": {
"userID": 'ceph-dashboard-link',
"userKey": self.out_map['ROOK_EXTERNAL_DASHBOARD_LINK']
}
})
# if 'CSI_RBD_PROVISIONER_SECRET' exists, then only add 'rook-csi-rbd-provisioner' Secret
if self.out_map['CSI_RBD_PROVISIONER_SECRET']:
json_out.append({
"name": "rook-csi-rbd-provisioner",
"kind": "Secret",
"data": {
"userID": 'csi-rbd-provisioner',
"userKey": self.out_map['CSI_RBD_PROVISIONER_SECRET']
},
})
# if 'CSI_CEPHFS_PROVISIONER_SECRET' exists, then only add 'rook-csi-cephfs-provisioner' Secret
if self.out_map['CSI_CEPHFS_PROVISIONER_SECRET']:
json_out.append({
"name": "rook-csi-cephfs-provisioner",
"kind": "Secret",
"data": {
"adminID": 'csi-cephfs-provisioner',
"adminKey": self.out_map['CSI_CEPHFS_PROVISIONER_SECRET']
},
})
# if 'CSI_CEPHFS_NODE_SECRET' exists, then only add 'rook-csi-cephfs-node' Secret
if self.out_map['CSI_CEPHFS_NODE_SECRET']:
json_out.append({
"name": "rook-csi-cephfs-node",
"kind": "Secret",
"data": {
"adminID": 'csi-cephfs-node',
"adminKey": self.out_map['CSI_CEPHFS_NODE_SECRET']
}
})
# if 'CEPHFS_FS_NAME' exists, then only add 'cephfs' StorageClass
if self.out_map['CEPHFS_FS_NAME']:
json_out.append({
"name": "cephfs",
"kind": "StorageClass",
"data": {
"fsName": self.out_map['CEPHFS_FS_NAME'],
"pool": self.out_map['CEPHFS_POOL_NAME']
}
})
# if 'RGW_ENDPOINT' exists, then only add 'ceph-rgw' StorageClass
if self.out_map['RGW_ENDPOINT']:
json_out.append({
"name": "ceph-rgw",
"kind": "StorageClass",
"data": {
"endpoint": self.out_map['RGW_ENDPOINT'],
"poolPrefix": self.out_map['RGW_POOL_PREFIX']
}
})
json_out.append(
{
"name": "rgw-admin-ops-user",
"kind": "Secret",
"data": {
"accessKey": self.out_map['ACCESS_KEY'],
"secretKey": self.out_map['SECRET_KEY']
}
})
# if 'RGW_TLS_CERT' exists, then only add the "ceph-rgw-tls-cert" secret
if self.out_map['RGW_TLS_CERT']:
json_out.append({
"name": "ceph-rgw-tls-cert",
"kind": "Secret",
"data": {
"cert": self.out_map['RGW_TLS_CERT'],
}
})
return json.dumps(json_out)+LINESEP
def upgrade_user_permissions(self):
# check whether the given user exists or not
cmd_json = {"prefix": "auth get", "entity": "{}".format(
self.run_as_user), "format": "json"}
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
if ret_val != 0 or len(json_out) == 0:
raise ExecutionFailureException("'auth get {}' command failed.\n".format(self.run_as_user) +
"Error: {}".format(err_msg if ret_val != 0 else self.EMPTY_OUTPUT_LIST))
j_first = json_out[0]
existing_caps = j_first['caps']
osd_cap = "osd"
cap_keys = ["mon", "mgr", "osd"]
for eachCap in cap_keys:
min_cap_values = self.MIN_USER_CAP_PERMISSIONS.get(eachCap, '')
cur_cap_values = existing_caps.get(eachCap, '')
# detect rgw-pool-prefix
if eachCap == osd_cap:
# if directly provided through '--rgw-pool-prefix' argument, use it
if self._arg_parser.rgw_pool_prefix:
min_cap_values = min_cap_values.format(
self._arg_parser.rgw_pool_prefix)
# or else try to detect one from the existing/current osd cap values
else:
rc = re.compile(r' pool=([^.]+)\.rgw\.[^ ]*')
# 'findall()' method will give a list of prefixes
# and 'set' will eliminate any duplicates
cur_rgw_pool_prefix_list = list(
set(rc.findall(cur_cap_values)))
if len(cur_rgw_pool_prefix_list) != 1:
raise ExecutionFailureException(
"Unable to determine 'rgw-pool-prefx'. Please provide one with '--rgw-pool-prefix' flag")
min_cap_values = min_cap_values.format(
cur_rgw_pool_prefix_list[0])
cur_cap_perm_list = [x.strip()
for x in cur_cap_values.split(',') if x.strip()]
min_cap_perm_list = [x.strip()
for x in min_cap_values.split(',') if x.strip()]
min_cap_perm_list.extend(cur_cap_perm_list)
# eliminate duplicates without using 'set'
# set re-orders items in the list and we have to keep the order
new_cap_perm_list = []
[new_cap_perm_list.append(
x) for x in min_cap_perm_list if x not in new_cap_perm_list]
existing_caps[eachCap] = ", ".join(new_cap_perm_list)
cmd_json = {"prefix": "auth caps",
"entity": self.run_as_user,
"caps": ["mon", existing_caps["mon"],
"mgr", existing_caps["mgr"],
"osd", existing_caps["osd"]],
"format": "json"}
ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
if ret_val != 0:
raise ExecutionFailureException("'auth caps {}' command failed.\n".format(self.run_as_user) +
"Error: {}".format(err_msg))
print("Updated user, {}, successfully.".format(self.run_as_user))