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69 lines
1.3 KiB
69 lines
1.3 KiB
#!/bin/bash
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if [ $# -gt 0 ] ; then
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COUNT=$1
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CONF="$2"
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else
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COUNT=60
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CONF="/etc/mysql/my.cnf"
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fi
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if [ $COUNT -le 0 ] ; then
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echo "Usage: $0 <number_of_seconds> [<mysqlid>]" >&2
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exit 1
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fi
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if ! which mysqld >/dev/null 2>&1 ; then
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echo "Error: mysqld is not present. Exiting." >&2
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exit 1
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fi
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if ! which mysqladmin >/dev/null 2>&1 ; then
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echo "Error: mysqladmin is not present. Exiting." >&2
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exit 1
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fi
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mysqld_get_param() {
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mysqld --defaults-file="${CONF}" --print-defaults 2>/dev/null \
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| tr " " "\n" \
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| grep -- "--$1" \
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| tail -n 1 \
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| cut -d= -f2
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}
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mysqld_status () {
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if mysqladmin --defaults-file="${CONF}" ping 2>&1 ; then
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ping_alive=1
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else
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ping_alive=0
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fi
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ps_alive=0
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pidfile=$(mysqld_get_param pid-file)
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if [ -f "$pidfile" ] && ps "$(cat "$pidfile")" &>/dev/null ; then
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ps_alive=1
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fi
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if [ "$1" = "check_alive" -a $ping_alive = 1 ] ||
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[ "$1" = "check_dead" -a $ping_alive = 0 -a $ps_alive = 0 ]; then
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return 0
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fi
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return 1
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}
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printf "Checking MySQL service status (for a maximum of %s seconds): " "$COUNT"
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for _ in $(seq 1 $COUNT) ; do
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if mysqld_status check_alive warn; then
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printf "available.\n"
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exit 0
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else
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printf "."
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fi
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sleep 1
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done
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printf "still not available, giving up.\n"
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exit 1
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