257 lines
8.1 KiB
Bash
257 lines
8.1 KiB
Bash
#!/bin/bash
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##############################################################################################################
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# PandoraFMS Community online installation script for Ubuntu 22.04
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##############################################################################################################
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## Tested versions ##
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# Ubuntu 22.04.1
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#avoid promps
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export DEBIAN_FRONTEND=noninteractive
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export NEEDRESTART_SUSPEND=1
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#Constants
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PANDORA_CONSOLE=/var/www/html/pandora_console
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PANDORA_SERVER_CONF=/etc/pandora/pandora_server.conf
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PANDORA_AGENT_CONF=/etc/pandora/pandora_agent.conf
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WORKDIR=/opt/pandora/deploy
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S_VERSION='202302081'
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LOGFILE="/tmp/deploy-ext-db-$(date +%F).log"
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rm -f $LOGFILE &> /dev/null # remove last log before start
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# define default variables
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[ "$TZ" ] || TZ="Europe/Madrid"
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[ "$DBHOST" ] || DBHOST=127.0.0.1
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[ "$DBNAME" ] || DBNAME=pandora
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[ "$DBUSER" ] || DBUSER=pandora
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[ "$DBPASS" ] || DBPASS=pandora
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[ "$DBPORT" ] || DBPORT=3306
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[ "$DBROOTPASS" ] || DBROOTPASS=pandora
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[ "$SKIP_DATABASE_INSTALL" ] || SKIP_DATABASE_INSTALL=0
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[ "$SKIP_KERNEL_OPTIMIZATIONS" ] || SKIP_KERNEL_OPTIMIZATIONS=0
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[ "$POOL_SIZE" ] || POOL_SIZE=$(grep -i total /proc/meminfo | head -1 | awk '{printf "%.2f \n", $(NF-1)*0.4/1024}' | sed "s/\\..*$/M/g")
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# Ansi color code variables
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red="\e[0;91m"
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green="\e[0;92m"
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cyan="\e[0;36m"
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reset="\e[0m"
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# Functions
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execute_cmd () {
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local cmd="$1"
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local msg="$2"
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echo -e "${cyan}$msg...${reset}"
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$cmd &>> "$LOGFILE"
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if [ $? -ne 0 ]; then
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echo -e "${red}Fail${reset}"
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[ "$3" ] && echo "$3"
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echo "Error installing Pandora FMS for detailed error please check log: $LOGFILE"
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rm -rf "$WORKDIR" &>> "$LOGFILE"
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exit 1
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else
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echo -e "\e[1A\e ${cyan}$msg...${reset} ${green}OK${reset}"
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return 0
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fi
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}
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check_cmd_status () {
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if [ $? -ne 0 ]; then
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echo -e "${red}Fail${reset}"
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[ "$1" ] && echo "$1"
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echo "Error installing Pandora FMS for detailed error please check log: $LOGFILE"
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rm -rf "$WORKDIR" &>> "$LOGFILE"
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exit 1
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else
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echo -e "${green}OK${reset}"
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return 0
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fi
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}
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check_root_permissions () {
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echo -en "${cyan}Checking root account... ${reset}"
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if [ "$(whoami)" != "root" ]; then
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echo -e "${red}Fail${reset}"
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echo "Please use a root account or sudo for installing Pandora FMS"
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echo "Error installing Pandora FMS for detailed error please check log: $LOGFILE"
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exit 1
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else
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echo -e "${green}OK${reset}"
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fi
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}
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## Main
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echo "Starting PandoraFMS External DB deployment Ubuntu 22.04 ver. $S_VERSION"
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# Ubuntu Version
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if [ ! "$(grep -Ei 'Ubuntu' /etc/lsb-release)" ]; then
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printf "\n ${red}Error this is not a Ubuntu system, this installer is compatible with Ubuntu systems only${reset}\n"
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exit 1
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fi
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echo -en "${cyan}Check Ubuntu Version...${reset}"
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[ $(sed -nr 's/VERSION_ID+=\s*"([0-9][0-9].[0-9][0-9])"$/\1/p' /etc/os-release) == "22.04" ]
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check_cmd_status 'Error OS version, Ubuntu 22.04 is expected'
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#Detect OS
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os_name=$(grep ^PRETTY_NAME= /etc/os-release | cut -d '=' -f2 | tr -d '"')
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execute_cmd "echo $os_name" "OS detected: ${os_name}"
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# initialice logfile
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execute_cmd "echo 'Starting community deployment' > $LOGFILE" "All installer activity is logged on $LOGFILE"
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echo "Community installer version: $S_VERSION" >> "$LOGFILE"
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# Pre checks
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# Root permisions
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check_root_permissions
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#Install awk, sed, grep if not present
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execute_cmd "apt install -y gawk sed grep" 'Installing needed tools'
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# Systemd
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execute_cmd "systemctl --version" "Checking SystemD" 'This is not a SystemD enable system, if tryng to use in a docker env please check: https://github.com/pandorafms/pandorafms/tree/develop/extras/docker/centos8'
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# Check memomry greather or equal to 2G
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execute_cmd "[ $(grep MemTotal /proc/meminfo | awk '{print $2}') -ge 1700000 ]" 'Checking memory (required: 2 GB)'
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# Check disk size at least 10 Gb free space
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execute_cmd "[ $(df -BM / | tail -1 | awk '{print $4}' | tr -d M) -gt 10000 ]" 'Checking Disk (required: 10 GB free min)'
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# Setting timezone
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rm -rf /etc/localtime &>> "$LOGFILE"
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execute_cmd "timedatectl set-timezone $TZ" "Setting Timezone $TZ"
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# Execute tools check
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execute_cmd "awk --version" 'Checking needed tools: awk'
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execute_cmd "grep --version" 'Checking needed tools: grep'
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execute_cmd "sed --version" 'Checking needed tools: sed'
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execute_cmd "apt --version" 'Checking needed tools: apt'
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# Creating working directory
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rm -rf "$WORKDIR" &>> "$LOGFILE"
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mkdir -p "$WORKDIR" &>> "$LOGFILE"
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execute_cmd "cd $WORKDIR" "Moving to workdir: $WORKDIR"
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## Install utils
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execute_cmd "apt update" "Updating repos"
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execute_cmd "apt install -y net-tools vim curl wget software-properties-common apt-transport-https" "Installing utils"
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# Disabling apparmor and ufw
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systemctl stop ufw.service &>> "$LOGFILE"
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systemctl disable ufw &>> "$LOGFILE"
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systemctl stop apparmor &>> "$LOGFILE"
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systemctl disable apparmor &>> "$LOGFILE"
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#install mysql
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execute_cmd "curl -O https://repo.percona.com/apt/percona-release_latest.generic_all.deb" "Downloading Percona repository for MySQL8"
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execute_cmd "apt install -y gnupg2 lsb-release ./percona-release_latest.generic_all.deb" "Installing Percona repository for MySQL8"
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execute_cmd "percona-release setup ps80" "Configuring Percona repository for MySQL8"
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echo -en "${cyan}Installing Percona Server for MySQL8...${reset}"
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env DEBIAN_FRONTEND=noninteractive apt install -y percona-server-server &>> "$LOGFILE"
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check_cmd_status "Error Installing MySql Server"
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#Configuring Database
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if [ "$SKIP_DATABASE_INSTALL" -eq '0' ] ; then
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execute_cmd "systemctl start mysql" "Starting database engine"
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echo """
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ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '$DBROOTPASS';
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""" | mysql -uroot &>> "$LOGFILE"
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export MYSQL_PWD=$DBROOTPASS
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echo -en "${cyan}Creating Pandora FMS database...${reset}"
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echo "create database $DBNAME" | mysql -uroot -P$DBPORT -h$DBHOST
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check_cmd_status "Error creating database $DBNAME, is this an empty node? if you have a previus installation please contact with support."
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echo "CREATE USER \"$DBUSER\"@'%' IDENTIFIED BY \"$DBPASS\";" | mysql -uroot -P$DBPORT -h$DBHOST
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echo "ALTER USER \"$DBUSER\"@'%' IDENTIFIED WITH mysql_native_password BY \"$DBPASS\"" | mysql -uroot -P$DBPORT -h$DBHOST
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echo "GRANT ALL PRIVILEGES ON $DBNAME.* TO \"$DBUSER\"@'%'" | mysql -uroot -P$DBPORT -h$DBHOST
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fi
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export MYSQL_PWD=$DBPASS
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#Generating my.cnf
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cat > /etc/mysql/my.cnf << EOF_DB
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[mysqld]
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datadir=/var/lib/mysql
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user=mysql
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character-set-server=utf8mb4
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skip-character-set-client-handshake
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# Disabling symbolic-links is recommended to prevent assorted security risks
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symbolic-links=0
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# Mysql optimizations for Pandora FMS
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# Please check the documentation in http://pandorafms.com for better results
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max_allowed_packet = 64M
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innodb_buffer_pool_size = $POOL_SIZE
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innodb_lock_wait_timeout = 90
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innodb_file_per_table
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innodb_flush_log_at_trx_commit = 0
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innodb_flush_method = O_DIRECT
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innodb_log_file_size = 64M
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innodb_log_buffer_size = 16M
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innodb_io_capacity = 300
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thread_cache_size = 8
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thread_stack = 256K
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max_connections = 100
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key_buffer_size=4M
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read_buffer_size=128K
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read_rnd_buffer_size=128K
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sort_buffer_size=128K
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join_buffer_size=4M
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skip-log-bin
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sql_mode=""
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log-error=/var/log/mysql/error.log
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[mysqld_safe]
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log-error=/var/log/mysqld.log
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pid-file=/var/run/mysqld/mysqld.pid
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EOF_DB
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execute_cmd "systemctl restart mysql" "Configuring and restarting database engine"
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# Kernel optimization
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if [ "$SKIP_KERNEL_OPTIMIZATIONS" -eq '0' ] ; then
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cat >> /etc/sysctl.conf <<EO_KO
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# Pandora FMS Optimization
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# default=5
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net.ipv4.tcp_syn_retries = 3
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# default=5
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net.ipv4.tcp_synack_retries = 3
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# default=1024
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net.ipv4.tcp_max_syn_backlog = 65536
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# default=124928
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net.core.wmem_max = 8388608
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# default=131071
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net.core.rmem_max = 8388608
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# default = 128
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net.core.somaxconn = 1024
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# default = 20480
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net.core.optmem_max = 81920
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EO_KO
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[ -d /dev/lxd/ ] || execute_cmd "sysctl --system" "Applying Kernel optimization"
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fi
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# Remove temporary files
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execute_cmd "echo done" "Percona server installed"
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cd "$HOME"
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execute_cmd "rm -rf $WORKDIR" "Removing temporary files" |