94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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#############################################################################
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# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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#
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# openGauss is licensed under Mulan PSL v2.
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# You can use this software according to the terms
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# and conditions of the Mulan PSL v2.
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# You may obtain a copy of Mulan PSL v2 at:
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#
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# http://license.coscl.org.cn/MulanPSL2
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#
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PSL v2 for more details.
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# ----------------------------------------------------------------------------
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# Description : streaming_constants.py is utility for defining constants
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# of streaming disaster recovery.
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#############################################################################
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class StreamingConstants:
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# streaming files
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STREAMING_LOG_FILE = "gs_sdr.log"
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STREAMING_FILES_DIR = 'streaming_cabin'
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STREAMING_CLUSTER_STATUS_TMP_FILE = "cluster_state_tmp"
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WAL_KEEP_SEGMENTS = ".wal_keep_segments_record"
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STREAMING_CLUSTER_CONF_RECORD = "cluster_conf_record"
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GS_SECURE_FILES = "gs_secure_files"
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HADR_KEY_CIPHER = "hadr.key.cipher"
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HADR_KEY_RAND = "hadr.key.rand"
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STREAM_SWITCHOVER_STATE = ".switchover_cluster_state"
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MAX_TERM_RECORD = ".max_term_record"
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PROCESS_LOCK_FILE = 'streaming_lock_'
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STREAMING_CONFIG_XML = "streaming_config.xml"
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GUC_BACKUP_FILE = ".streaming_guc_backup"
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CLUSTER_USER_RECORD = ".cluster_user_record"
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ACTION_START = "start"
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ACTION_SWITCHOVER = "switchover"
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ACTION_FAILOVER = "failover"
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ACTION_ESTABLISH = "establish"
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# streaming query temp file
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HADR_CLUSTER_STAT = ".hadr_cluster_stat"
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HADR_FAILOVER_STAT = ".hadr_failover_stat"
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HADR_SWICHOVER_STAT = ".hadr_switchover_stat"
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HADR_ESTABLISH_STAT = ".hadr_establish_stat"
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STREAM_DISTRIBUTE_ACTION = "distribute_stream_failover"
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SWITCH_ENABLE_READ_ONLY_FILE = ".switch_readonly_stat_file"
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# GUC CHANGE MAP
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GUC_CHANGE_MAP = {"most_available_sync": "on", "synchronous_commit": "on"}
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# params in json file for each module
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STREAMING_JSON_PARAMS = {
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"start": ["localClusterConf", "remoteClusterConf"],
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"stop": ["localClusterConf", "remoteClusterConf"],
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"switchover": [],
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"failover": [],
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"query": []
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}
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# step file of each module
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STREAMING_STEP_FILES = {
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"start_primary": ".streaming_start_primary.step",
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"start_standby": ".streaming_start_standby.step",
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"stop": ".streaming_stop.step",
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"switchover_primary": ".streaming_switchover_primary.step",
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"switchover_standby": ".streaming_switchover_standby.step",
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"failover": ".streaming_failover.step",
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"query": ".streaming_query.step",
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}
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# task need check process is exist
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TASK_EXIST_CHECK = ["start", "stop", "switchover", "failover"]
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# default values
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MAX_WAL_KEEP_SEGMENTS = 16384
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MAX_REPLICATION_NUMS = 8
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MAX_BUILD_TIMEOUT = 1209600
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STANDBY_START_TIMEOUT = 3600 * 24 * 7
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CHECK_PROCESS_WAIT_TIME = 3
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# backup open key
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BACKUP_OPEN = "/%s/CMServer/backup_open"
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# log remark
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LOG_REMARK = "-" * 80
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