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install.sh
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install.sh
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#!/bin/bash
####
# @since: 2021-08-30
# @author: stev leibelt <[email protected]>
####
#end of variables declaration
CONFIGURATION_FILE_EXPECTED_VERSION=1
CONFIGURATION_FILE_PATH="/etc/net.bazzline/zabbix/housekeeping/local_configuration.sh"
WHO_AM_I=$(whoami)
#end of variables declaration
#begin of check if we are root
if [[ ${WHO_AM_I} != "root" ]];
then
echo ":: Script needs to be executed as root."
exit 1
fi
#end of check if we are root
#begin of install routine
echo ":: Creating files."
mkdir -p /etc/net.bazzline/zabbix/housekeeping
# begin of configuration file
echo ":: Please input your zabbix database user name."
read DB_USERNAME
echo ":: Please input your zabbix database user password."
read DB_PASSWORD
cat > /etc/net.bazzline/zabbix/housekeeping/local_configuration.sh<<DELIM
#!/bin/bash
####
# @author: https://github.com/bazzline/zabbix_mysql_housekeeping/blob/main/bin/install.sh
####
CURRENT_VERSION=1
DB_USERNAME='${DB_USERNAME}'
DB_PASSWORD='<${DB_PASSWORD}>'
DELIM
echo ":: Please check the configuration file."
echo " Path >>${CONFIGURATION_FILE_PATH}<<."
# end of configuration file
# begin of executable file
cat > /etc/net.bazzline/zabbix/housekeeping/housekeeping.sh<<DELIM
#!/bin/bash
####
# @since: 2021-08-30
# @author: stev leibelt <[email protected]>
####
logger -i -p cron.debug "bo: maintenance."
CONFIGURATION_FILE_PATH='/etc/net.bazzline/zabbix/housekeeping/local_configuration.sh'
CONFIGURATION_FILE_EXPECTED_VERSION=1
if [[ -f \${CONFIGURATION_FILE_PATH} ]];
then
source \${CONFIGURATION_FILE_PATH}
if [[ \${CURRENT_VERSION} -ne \${CONFIGURATION_FILE_EXPECTED_VERSION} ]];
then
logger -i -p cron.crit ":: Configuration version is wrong."
logger -i -p cron.crit " Expected >>\${CONFIGURATION_FILE_EXPECTED_VERSION}<<, found >>\${CURRENT_VERSION}<<."
exit 2
fi
else
logger -i -p cron.crit ":: Expected configuration file not found."
logger -i -p cron.crit " >>\${CONFIGURATION_FILE_PATH}<< is not a file."
exit 1
fi
logger -i -p cron.notice " Starting >>optimize<< for table >>zabbix.history_uint<<."
mysqlcheck -u\${DB_USERNAME} -p\${DB_PASSWORD} --optimize zabbix history_uint;
logger -i -p cron.notice " Starting >>optimize<< for table >>zabbix.history<<."
mysqlcheck -u\${DB_USERNAME} -p\${DB_PASSWORD} --optimize zabbix history;
logger -i -p cron.debug "eo: maintenance."
DELIM
chmod +x /etc/net.bazzline/zabbix/housekeeping/housekeeping.sh
# end of executable file
# begin of service file
cat > /etc/net.bazzline/zabbix/housekeeping/zabbix-housekeeping.service<<DELIM
[Unit]
Description=net.bazzline zabbix housekeeping service
ConditionACPower=true
After=zabbix-server-mysql.service
[Service]
Type=oneshot
ExecStart=/etc/net.bazzline/zabbix/housekeeping/housekeeping.sh
KillMode=process
TimeoutStopSec=21600
DELIM
# end of service file
# end of timer file
# begin of timer file
cat > /etc/net.bazzline/zabbix/housekeeping/weekly-zabbix-housekeeping.timer<<DELIM
[Unit]
Description=Weekly zabbix mysql housekeeping
[Timer]
OnCalendar=Sat *-*-* 05:00
RandomizedDelaySec=42
Persistent=true
Unit=zabbix-housekeeping.service
[Install]
WantedBy=timers.target
DELIM
# end of timer file
echo ":: Adding and enabling systemd files."
cp /etc/net.bazzline/zabbix/housekeeping/zabbix-housekeeping.service /etc/systemd/system/zabbix-housekeeping.service
cp /etc/net.bazzline/zabbix/housekeeping/weekly-zabbix-housekeeping.timer /etc/systemd/system/weekly-zabbix-housekeeping.timer
systemctl daemon-reload
systemctl enable weekly-zabbix-housekeeping.timer
#end of install routine