1efe436c3b
（cherry picked commit from <gitee.com//opengauss/openGauss-OM/commit/24bc6ebd78619e7ca2bc4cfda2f607252202b729>
138 lines
5.6 KiB
Python
138 lines
5.6 KiB
Python
import re
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def check_sync_standby_str(dnlist, output):
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if output.strip() == '' or output.strip() == '*':
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return output.strip()
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if '(' in output:
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# output: 'ANY 1 (dn_6002, dn_6004), ANY 3 (dn_6003, dn_6005, dn_6006)'
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output_dn_list = re.findall(r'(?:\w+\s+)?\d+\s+\(.*?\)', output)
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# output_dn_list: ['ANY 1 (dn_6002, dn_6004)', 'ANY 3 (dn_6003, dn_6005, dn_6006)']
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output_dn_list = delete_sync_node_para(dnlist, output_dn_list)
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output_dn_str = ",".join(output_dn_list)
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else:
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output_dn_list = [item.strip() for item in output.strip().split(',')]
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output_dn_str = delete_sync_node_para_no_bracket(dnlist, output_dn_list)
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return output_dn_str
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def delete_sync_node_para_no_bracket(dnlist, origin_list):
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res_str = ""
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for dninst in dnlist:
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if dninst in origin_list:
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origin_list.remove(dninst)
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res_str = ','.join(origin_list)
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return res_str
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def delete_sync_node_para(dnlist, origin_list):
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res_list = []
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for origin in origin_list:
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res_str = ""
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output_no = '0'
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count_dn = 0
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output_dn_pre = re.findall(r'([^\(]+?)\s*\([^)]*\)', origin)[0]
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# get the value inside bracket
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output_dn = re.findall(r'\((.*)\)', origin)[0]
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# remove spaces
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output_dn_nospace = re.sub(' *', '', output_dn)
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init_no = len(output_dn_nospace.split(","))
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output_no = re.findall(r'\d+', output_dn_pre)[0]
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for dninst in dnlist:
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if dninst in output_dn:
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output_list = output_dn_nospace.split(",")
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output_list.remove(dninst)
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output_dn_nospace = ','.join(output_list)
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init_no -= 1
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count_dn += 1
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if output_dn_nospace == "":
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continue
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output_dn_nospace = "(" + output_dn_nospace + ")"
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res_str += output_dn_pre + output_dn_nospace
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res_str = delete_sync_node_no(output_no, init_no, count_dn, res_str)
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res_list.append(res_str)
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return res_list
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def delete_sync_node_no(output_no, init_no, count_dn, output_result):
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output_new_no = '1'
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quorum_no = int(init_no / 2) + 1
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half_no = quorum_no - 1
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if count_dn == 0 or output_no == '0':
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return output_result
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if int(output_no) == quorum_no:
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output_new_no = str(int(init_no / 2) + 1)
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output_result = output_result.replace(output_no, output_new_no, 1)
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return output_result
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elif int(output_no) > half_no and (int(output_no) - count_dn) > 0:
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output_new_no = str(int(output_no) - count_dn)
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elif int(output_no) > half_no and (int(output_no) - count_dn) <= 0:
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output_new_no = '1'
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elif int(output_no) < half_no and int(output_no) <= init_no:
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output_new_no = output_no
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elif half_no > int(output_no) > init_no:
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output_new_no = str(init_no)
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output_result = output_result.replace(output_no, output_new_no, 1)
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return output_result
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def test_sync_standby_name():
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dnlist = ["dn_6003"]
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output = ""
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expect_output = ""
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assert expect_output == check_sync_standby_str(dnlist, output)
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output = "*"
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expect_output = "*"
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assert expect_output == check_sync_standby_str(dnlist, output)
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# ANY grouping
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output = "ANY 1 (dn_6002), ANY 1 (dn_6003)"
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expect_output = "ANY 1 (dn_6002)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "ANY 1 (dn_6002, dn_6003)"
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expect_output = "ANY 1 (dn_6002)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "ANY 1 (dn_6002, dn_6004), ANY 1 (dn_6003, dn_6005)"
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expect_output = "ANY 1 (dn_6002, dn_6004), ANY 1 (dn_6005)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "ANY 1 (dn_6002, dn_6004), ANY 1 (dn_6003)"
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expect_output = "ANY 1 (dn_6002, dn_6004)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "ANY 1 (dn_6002, dn_6004), ANY 1 (dn_6005)"
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expect_output = "ANY 1 (dn_6002, dn_6004), ANY 1 (dn_6005)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "ANY 1 (dn_6002, dn_6004), ANY 3 (dn_6003, dn_6005, dn_6006)"
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expect_output = "ANY 1 (dn_6002, dn_6004), ANY 2 (dn_6005, dn_6006)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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# FIRST grouping
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output = "FIRST 2 (dn_6002, dn_6003)"
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expect_output = "FIRST 1 (dn_6002)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "FIRST 1 (dn_6002, dn_6003), FIRST 1 (dn_6004, dn_6005) "
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expect_output = "FIRST 1 (dn_6002), FIRST 1 (dn_6004, dn_6005) "
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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# no grouping
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output = "2 (dn_6002, dn_6003)"
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expect_output = "1 (dn_6002)"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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output = "1 (dn_6003)"
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expect_output = ""
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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# no backet
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output = "dn_6002, dn_6003"
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expect_output = "dn_6002"
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assert expect_output.replace(" ", "") == check_sync_standby_str(dnlist, output).replace(" ", "")
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if __name__ == '__main__':
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test_sync_standby_name() |