mirror of
https://github.com/MariaDB/server.git
synced 2025-01-15 19:42:28 +01:00
9ab37940dd
Fixes error: /usr/share/mysql/debian-start.inc.sh: line 39: /usr/bin/mariadb --defaults-file=/etc/mysql/debian.cnf: No such file or directory
92 lines
3.4 KiB
Bash
Executable file
92 lines
3.4 KiB
Bash
Executable file
#!/bin/bash
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#
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# This file is included by /etc/mysql/debian-start
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#
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## Is there MyISAM or Aria unclosed tables.
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# - Requires the server to be up.
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# - Is supposed to run silently in background.
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function check_for_crashed_tables() {
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set -e
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set -u
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# But do it in the background to not stall the boot process.
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logger -p daemon.info -i -t"$0" "Triggering myisam-recover for all MyISAM tables and aria-recover for all Aria tables"
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# Checking for $? is unreliable so the size of the output is checked.
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# Some table handlers like HEAP do not support CHECK TABLE.
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tempfile=$(mktemp)
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# We have to use xargs in this case, because a for loop barfs on the
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# spaces in the thing to be looped over.
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# If a crashed table is encountered, the "mariadb" command will return with a status different from 0
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#
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# The first query will generate lines like.
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# select count(*) into @discard from 'mysql'.'db'
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# The second line will load all tables without printing any actual results,
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# but may show warnings and definitely is expected to have some error and
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# exit code if crashed tables are encountered.
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#
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# Note that inside single quotes must be quoted with '\'' (to be outside of single quotes).
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set +e
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# The $MARIADB is intentionally used to expand into a command and arguments
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# shellcheck disable=SC2086
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echo '
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SELECT CONCAT("select count(*) into @discard from '\''", TABLE_SCHEMA, "'\''.'\''", TABLE_NAME, "'\''")
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FROM information_schema.TABLES WHERE TABLE_SCHEMA<>"INFORMATION_SCHEMA" AND TABLE_SCHEMA<>"PERFORMANCE_SCHEMA"
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AND (ENGINE="MyISAM" OR ENGINE="Aria")
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' | \
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LC_ALL=C $MARIADB --skip-column-names --batch | \
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xargs --no-run-if-empty -i $MARIADB --skip-column-names --silent --batch --force -e "{}" &> "${tempfile}"
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set -e
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if [ -s "$tempfile" ]
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then
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(
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/bin/echo -e "\n" \
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"Improperly closed tables are also reported if clients are accessing\n" \
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"the tables *now*. A list of current connections is below.\n";
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$MYADMIN processlist status
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) >> "${tempfile}"
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# Check for presence as a dependency on mailx would require an MTA.
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if [ -x /usr/bin/mailx ]
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then
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mailx -e -s"$MYCHECK_SUBJECT" "$MYCHECK_RCPT" < "$tempfile"
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fi
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(echo "$MYCHECK_SUBJECT"; cat "${tempfile}") | logger -p daemon.warn -i -t"$0"
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fi
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rm "${tempfile}"
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}
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## Check for tables needing an upgrade.
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# - Requires the server to be up.
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# - Is supposed to run silently in background.
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function upgrade_system_tables_if_necessary() {
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set -e
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set -u
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logger -p daemon.info -i -t"$0" "Upgrading MariaDB tables if necessary."
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# Filter all "duplicate column", "duplicate key" and "unknown column"
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# errors as the script is designed to be idempotent.
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LC_ALL=C $MYUPGRADE \
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2>&1 \
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| grep -E -v '^(1|@had|ERROR (1051|1054|1060|1061|1146|1347|1348))' \
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| logger -p daemon.warn -i -t"$0"
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}
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## Check for the presence of both, root accounts with and without password.
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# This might have been caused by a bug related to mysql_install_db (#418672).
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function check_root_accounts() {
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set -e
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set -u
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logger -p daemon.info -i -t"$0" "Checking for insecure root accounts."
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ret=$(echo "SELECT count(*) FROM mysql.user WHERE user='root' and password='' and password_expired='N' and plugin in ('', 'mysql_native_password', 'mysql_old_password');" | $MARIADB --skip-column-names)
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if [ "$ret" -ne "0" ]
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then
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logger -p daemon.warn -i -t"$0" "WARNING: mysql.user contains $ret root accounts without password!"
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fi
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}
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