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Mini Shell
Mini Shell
# coding:utf-8
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
import json
import os
import sys
import time
from clcommon.utils import run_command, ExternalProgramFailed
VALUES_STR = 'Available values for option'
def replace_params(data):
"""
Replacing params in data for show error message
:param data: error's data for show message
:return:
"""
if data.startswith("--"):
param, text = data.split(" ", 1)
return {"result": "%(param)s " + text, "context": {"param": param}}
if data.startswith(VALUES_STR):
text, param = data.split(":", 1)
return {"result": text + ": %(available_options)s",
"context": {"available_options": param.strip()}}
return {"result": data}
def _is_string_number(s_val):
"""
Checks is string contains a number (integer or float)
:param s_val: String to check
:return: True - string is number, False - not number
"""
try:
float(s_val)
return True
except ValueError:
return False
def convert_mem_value_to_bytes(value):
"""
Convert value in Gbytes,Mbytes to bytes
:param value: value of mem limit
:return: value in bytes
"""
value = str(value).lower()
if value.endswith('k'):
power = 1
elif value.endswith('m'):
power = 2
elif value.endswith('g'):
power = 3
elif _is_string_number(value):
power = 1
value = f'{value}k'
else:
raise ValueError('Wrong memory value')
return int(1024 ** power * float(value[:-1]))
def _convert_memory_value_to_adaptive_format(value, convert=True):
"""
Convert memory value to adaptive value in GB, TB, etc
:param value: memory value in MB or KB
:param convert: if True - convert value, False - not convert
:return: adaptive value in GB, TB, etc
"""
if not convert:
return value
value = str(value).lower()
units = ['K', 'M', 'G', 'T', 'P']
if value.endswith('m'):
del units[0]
value = str(value).lower().replace('m', '').replace('k', '') # remove unit symbol
if value.startswith('*'):
result = '*'
value = value.replace('*', '')
else:
result = ''
value = float(value)
for unit in units:
if value // 1024 > 0:
value /= 1024
elif value == 0:
result = f'{result}0K'
break
else:
result = f'{result}{value:.2f}{unit}'
break
return result
def print_dictionary(data_dict, is_json=False):
"""
Print specified dictionary
:param data_dict: data dictionary to print
:param is_json: True - print in JSON, False - in text
:return: None
"""
# Print as JSON
# print json.dumps(data_dict, indent=2, sort_keys=True)
if is_json:
# Print as JSON
print(json.dumps(data_dict, sort_keys=True))
else:
# Print as text
print(data_dict)
def print_error_and_exit(message, is_json=False):
"""
Prints to stdout
:param: is_json - True if print error in json format, False - text
"""
data = {"timestamp": time.time(), "result": str(message)}
print_dictionary(data, is_json)
sys.exit(1)
def is_quota_supported(cl_quota_path, repquota_path):
"""
Detect quota is supported
:return: True/False - quotas supported/not supported
"""
# Check if all needed utilities present
if not os.path.isfile(cl_quota_path) or not os.path.isfile(repquota_path):
return False
return True
def is_quota_active(cl_quota_path, repquota_path):
"""
Detect quota is activated
:return: True/False - quotas activated/not activated
"""
# If quotas not supported they are not activated
if not is_quota_supported(cl_quota_path, repquota_path):
return False
# Check is quota activated
cmd = [repquota_path, '-nva']
try:
stdout = run_command(cmd)
except ExternalProgramFailed:
return False
# quotas not supported if repqouta returns nothing
if not stdout:
return False
return True
Zerion Mini Shell 1.0