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https://github.com/EnterpriseDB/repmgr.git
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bcc284cac9
Rather than parse the configuration file into a new structure and copy changed values from that into the main structure, we'll copy the existing structure before parsing the changed configuration file directly into the nmain structure, and revert using the copy if any issues are encountered. This is necessary as preparation for further reworking of the configuration file structure handling. It also makes the reload idempotent. While we're at it, make some general improvements to the reload handling, particularly: - improve logging to show "before" and "after" values - collate change notifications and only display if no errors were found - remove unnecessary double-logging of errors - various bugfixes
172 lines
4.2 KiB
C
172 lines
4.2 KiB
C
/*
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* strutil.h
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* Copyright (c) 2ndQuadrant, 2010-2020
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _STRUTIL_H_
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#define _STRUTIL_H_
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#include <pqexpbuffer.h>
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#define MAXLEN 1024
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#define MAX_QUERY_LEN 8192
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#define MAXVERSIONSTR 16
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/* same as defined in src/include/replication/walreceiver.h */
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#define MAXCONNINFO 1024
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#define STR(x) CppAsString(x)
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#define MAXLEN_STR STR(MAXLEN)
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/*
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* These values must match the Nagios return codes defined here:
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*
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* https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/pluginapi.html
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*/
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typedef enum
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{
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CHECK_STATUS_OK = 0,
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CHECK_STATUS_WARNING = 1,
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CHECK_STATUS_CRITICAL = 2,
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CHECK_STATUS_UNKNOWN = 3
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} CheckStatus;
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typedef enum
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{
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OM_NOT_SET = -1,
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OM_TEXT,
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OM_CSV,
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OM_NAGIOS,
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OM_OPTFORMAT
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} OutputMode;
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typedef struct ItemListCell
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{
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struct ItemListCell *next;
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char *string;
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} ItemListCell;
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typedef struct ItemList
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{
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ItemListCell *head;
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ItemListCell *tail;
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} ItemList;
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typedef struct KeyValueListCell
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{
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struct KeyValueListCell *next;
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char *key;
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char *value;
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OutputMode output_mode;
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} KeyValueListCell;
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typedef struct KeyValueList
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{
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KeyValueListCell *head;
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KeyValueListCell *tail;
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} KeyValueList;
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typedef struct CheckStatusListCell
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{
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struct CheckStatusListCell *next;
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char *item;
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CheckStatus status;
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char *details;
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} CheckStatusListCell;
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typedef struct CheckStatusList
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{
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CheckStatusListCell *head;
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CheckStatusListCell *tail;
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} CheckStatusList;
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extern int
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maxlen_snprintf(char *str, const char *format,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
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extern int
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maxpath_snprintf(char *str, const char *format,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
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extern void
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item_list_append(ItemList *item_list, const char *message);
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extern void
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item_list_append_format(ItemList *item_list, const char *format,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
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extern void
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item_list_free(ItemList *item_list);
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extern void
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key_value_list_set(KeyValueList *item_list, const char *key, const char *value);
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extern void
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key_value_list_replace_or_set(KeyValueList *item_list, const char *key, const char *value);
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extern void
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key_value_list_set_format(KeyValueList *item_list, const char *key, const char *value,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
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extern void
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key_value_list_set_output_mode(KeyValueList *item_list, const char *key, OutputMode mode);
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extern const char *key_value_list_get(KeyValueList *item_list, const char *key);
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extern void
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key_value_list_free(KeyValueList *item_list);
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extern void
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check_status_list_set(CheckStatusList *list, const char *item, CheckStatus status, const char *details);
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extern void
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check_status_list_set_format(CheckStatusList *list, const char *item, CheckStatus status, const char *details,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 4, 5)));
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extern void
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check_status_list_free(CheckStatusList *list);
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extern const char *output_check_status(CheckStatus status);
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extern char *escape_recovery_conf_value(const char *src);
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extern char *escape_string(PGconn *conn, const char *string);
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extern void escape_double_quotes(char *string, PQExpBufferData *out);
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extern void
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append_where_clause(PQExpBufferData *where_clause, const char *clause,...)
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__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
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extern char *string_skip_prefix(const char *prefix, char *string);
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extern char
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*string_remove_trailing_newlines(char *string);
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extern char *trim(char *s);
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extern void
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parse_follow_command(char *parsed_command, char *template, int node_id);
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extern const char *format_bool(bool value);
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#endif /* _STRUTIL_H_ */
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