diff options
Diffstat (limited to 'qemu/scripts/qemu-guest-agent')
-rwxr-xr-x | qemu/scripts/qemu-guest-agent/fsfreeze-hook | 33 | ||||
-rwxr-xr-x | qemu/scripts/qemu-guest-agent/fsfreeze-hook.d/mysql-flush.sh.sample | 56 |
2 files changed, 0 insertions, 89 deletions
diff --git a/qemu/scripts/qemu-guest-agent/fsfreeze-hook b/qemu/scripts/qemu-guest-agent/fsfreeze-hook deleted file mode 100755 index c27b29f28..000000000 --- a/qemu/scripts/qemu-guest-agent/fsfreeze-hook +++ /dev/null @@ -1,33 +0,0 @@ -#!/bin/sh - -# This script is executed when a guest agent receives fsfreeze-freeze and -# fsfreeze-thaw command, if it is specified in --fsfreeze-hook (-F) -# option of qemu-ga or placed in default path (/etc/qemu/fsfreeze-hook). -# When the agent receives fsfreeze-freeze request, this script is issued with -# "freeze" argument before the filesystem is frozen. And for fsfreeze-thaw -# request, it is issued with "thaw" argument after filesystem is thawed. - -LOGFILE=/var/log/qga-fsfreeze-hook.log -FSFREEZE_D=$(dirname -- "$0")/fsfreeze-hook.d - -# Check whether file $1 is a backup or rpm-generated file and should be ignored -is_ignored_file() { - case "$1" in - *~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave | *.sample) - return 0 ;; - esac - return 1 -} - -# Iterate executables in directory "fsfreeze-hook.d" with the specified args -[ ! -d "$FSFREEZE_D" ] && exit 0 -for file in "$FSFREEZE_D"/* ; do - is_ignored_file "$file" && continue - [ -x "$file" ] || continue - printf "$(date): execute $file $@\n" >>$LOGFILE - "$file" "$@" >>$LOGFILE 2>&1 - STATUS=$? - printf "$(date): $file finished with status=$STATUS\n" >>$LOGFILE -done - -exit 0 diff --git a/qemu/scripts/qemu-guest-agent/fsfreeze-hook.d/mysql-flush.sh.sample b/qemu/scripts/qemu-guest-agent/fsfreeze-hook.d/mysql-flush.sh.sample deleted file mode 100755 index 2b4fa3aeb..000000000 --- a/qemu/scripts/qemu-guest-agent/fsfreeze-hook.d/mysql-flush.sh.sample +++ /dev/null @@ -1,56 +0,0 @@ -#!/bin/sh - -# Flush MySQL tables to the disk before the filesystem is frozen. -# At the same time, this keeps a read lock in order to avoid write accesses -# from the other clients until the filesystem is thawed. - -MYSQL="/usr/bin/mysql" -MYSQL_OPTS="-uroot" #"-prootpassword" -FIFO=/var/run/mysql-flush.fifo - -# Check mysql is installed and the server running -[ -x "$MYSQL" ] && "$MYSQL" $MYSQL_OPTS < /dev/null || exit 0 - -flush_and_wait() { - printf "FLUSH TABLES WITH READ LOCK \\G\n" - trap 'printf "$(date): $0 is killed\n">&2' HUP INT QUIT ALRM TERM - read < $FIFO - printf "UNLOCK TABLES \\G\n" - rm -f $FIFO -} - -case "$1" in - freeze) - mkfifo $FIFO || exit 1 - flush_and_wait | "$MYSQL" $MYSQL_OPTS & - # wait until every block is flushed - while [ "$(echo 'SHOW STATUS LIKE "Key_blocks_not_flushed"' |\ - "$MYSQL" $MYSQL_OPTS | tail -1 | cut -f 2)" -gt 0 ]; do - sleep 1 - done - # for InnoDB, wait until every log is flushed - INNODB_STATUS=$(mktemp /tmp/mysql-flush.XXXXXX) - [ $? -ne 0 ] && exit 2 - trap "rm -f $INNODB_STATUS; exit 1" HUP INT QUIT ALRM TERM - while :; do - printf "SHOW ENGINE INNODB STATUS \\G" |\ - "$MYSQL" $MYSQL_OPTS > $INNODB_STATUS - LOG_CURRENT=$(grep 'Log sequence number' $INNODB_STATUS |\ - tr -s ' ' | cut -d' ' -f4) - LOG_FLUSHED=$(grep 'Log flushed up to' $INNODB_STATUS |\ - tr -s ' ' | cut -d' ' -f5) - [ "$LOG_CURRENT" = "$LOG_FLUSHED" ] && break - sleep 1 - done - rm -f $INNODB_STATUS - ;; - - thaw) - [ ! -p $FIFO ] && exit 1 - echo > $FIFO - ;; - - *) - exit 1 - ;; -esac |