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9bdf35e90f
MDEV-21298: mariabackup doesn't read from the [mariadbd] and [mariadbd-X.Y]
server option groups from configuration files
MDEV-21301: mariabackup doesn't read [mariadb-backup] option group in
configuration file
All three issues require to change the same code, that is why their
fixes are joined in one commit.
The fix is in invoking load_defaults_or_exit() and handle_options() for
backup-specific groups separately from client-server groups to let the last
handle_options() call fail on unknown backup-specific options.
The order of options procesing is the following:
1) Load server groups and process server options, ignore unknown
options
2) Load client groups and process client options, ignore unknown
options
3) Load backup groups and process client-server options, exit on
unknown option
4) Process --mysqld-args command line options, ignore unknown options
New global flag my_handle_options_init_variables was added to have
ability to invoke handle_options() for the same allowed options set
several times without re-initialising previously set option values.
--password value destroying is moved from option processing callback to
mariabackup's handle_options() function to have ability to invoke server's
handle_options() several times for the same possible allowed options
set.
Galera invokes wsrep_sst_mariabackup.sh with mysqld command line
options to configure mariabackup as close to the server as possible.
It is not known what server options are supported by mariabackup when the
script is invoked. That is why new mariabackup option "--mysqld-args" is added,
all unknown options that follow this option will be silently ignored.
wsrep_sst_mariabackup.sh was also changed to:
- use "--mysqld-args" mariabackup option to pass mysqld options,
- remove deprecated innobackupex mode,
- remove unsupported mariabackup options:
--encrypt
--encrypt-key
--rebuild-indexes
--rebuild-threads
133 lines
5.5 KiB
C
133 lines
5.5 KiB
C
/*
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Copyright (c) 2002, 2013, Oracle and/or its affiliates.
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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; version 2 of the License.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef _my_getopt_h
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#define _my_getopt_h
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#include "my_sys.h" /* loglevel */
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/* my_getopt and my_default are almost always used together */
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#include <my_default.h>
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C_MODE_START
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#define GET_NO_ARG 1
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#define GET_BOOL 2
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#define GET_INT 3
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#define GET_UINT 4
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#define GET_LONG 5
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#define GET_ULONG 6
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#define GET_LL 7
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#define GET_ULL 8
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#define GET_STR 9
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#define GET_STR_ALLOC 10
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#define GET_DISABLED 11
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#define GET_ENUM 12
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#define GET_SET 13
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#define GET_DOUBLE 14
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#define GET_FLAGSET 15
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#define GET_BIT 16
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#define GET_ASK_ADDR 128
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#define GET_AUTO 64
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#define GET_TYPE_MASK 63
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/**
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Enumeration of the my_option::arg_type attributes.
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It should be noted that for historical reasons variables with the combination
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arg_type=NO_ARG, my_option::var_type=GET_BOOL still accepts
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arguments. This is someone counter intuitive and care should be taken
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if the code is refactored.
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*/
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enum get_opt_arg_type { NO_ARG, OPT_ARG, REQUIRED_ARG };
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struct st_typelib;
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struct my_option
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{
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const char *name; /**< Name of the option. name=NULL
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marks the end of the my_option[]
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array.
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*/
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int id; /**< For 0<id<255 it's means one
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character for a short option
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(like -A), if >255 no short option
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is created, but a long option still
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can be identified uniquely in the
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my_get_one_option() callback.
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If an opton needs neither special
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treatment in the my_get_one_option()
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nor one-letter short equivalent
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use id=0
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*/
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const char *comment; /**< option comment, for autom. --help.
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if it's NULL the option is not
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visible in --help.
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*/
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void *value; /**< A pointer to the variable value */
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void *u_max_value; /**< The user def. max variable value */
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struct st_typelib *typelib; /**< Pointer to possible values */
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ulong var_type; /**< GET_BOOL, GET_ULL, etc */
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enum get_opt_arg_type arg_type; /**< e.g. REQUIRED_ARG or OPT_ARG */
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longlong def_value; /**< Default value */
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longlong min_value; /**< Min allowed value (for numbers) */
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ulonglong max_value; /**< Max allowed value (for numbers) */
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longlong sub_size; /**< Unused */
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long block_size; /**< Value should be a mult. of this (for numbers) */
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void *app_type; /**< To be used by an application */
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};
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typedef my_bool (*my_get_one_option)(int, const struct my_option *, char *);
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/**
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Used to retrieve a reference to the object (variable) that holds the value
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for the given option. For example, if var_type is GET_UINT, the function
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must return a pointer to a variable of type uint. A argument is stored in
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the location pointed to by the returned pointer.
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*/
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typedef void *(*my_getopt_value)(const char *, uint, const struct my_option *,
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int *);
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extern char *disabled_my_option;
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extern char *autoset_my_option;
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extern my_bool my_getopt_print_errors;
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extern my_bool my_getopt_skip_unknown;
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extern my_bool my_getopt_prefix_matching;
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extern my_bool my_handle_options_init_variables;
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extern my_error_reporter my_getopt_error_reporter;
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extern int handle_options (int *argc, char ***argv,
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const struct my_option *longopts, my_get_one_option);
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extern void my_cleanup_options(const struct my_option *options);
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extern void my_print_help(const struct my_option *options);
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extern void my_print_variables(const struct my_option *options);
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extern void my_getopt_register_get_addr(my_getopt_value);
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ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
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my_bool *fix);
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longlong getopt_ll_limit_value(longlong, const struct my_option *,
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my_bool *fix);
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double getopt_double_limit_value(double num, const struct my_option *optp,
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my_bool *fix);
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my_bool getopt_compare_strings(const char *s, const char *t, uint length);
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ulonglong getopt_double2ulonglong(double);
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double getopt_ulonglong2double(ulonglong);
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C_MODE_END
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#endif /* _my_getopt_h */
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