BitMaster/LEMPer
1
0
Fork 0
mirror of https://github.com/joglomedia/LEMPer.git synced 2026-04-05 04:08:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
Files
b949bbeeaa81bce7df1ba90de4bd3725d1371819
LEMPer/scripts/install_memcached.sh
joglomedia b949bbeeaa Enhance memcached with SASL authentication support
2019-10-23 23:38:32 +07:00

297 lines
12 KiB
Bash
Executable File
Raw Blame History

#!/usr/bin/env bash
# Memcached Installer
# Min. Requirement : GNU/Linux Ubuntu 14.04 & 16.04
# Last Build : 31/08/2019
# Author : ESLabs.ID (eslabs.id@gmail.com)
# Since Version : 1.0.0
# Include helper functions.
if [ "$(type -t run)" != "function" ]; then
BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
# shellchechk source=scripts/helper.sh
# shellcheck disable=SC1090
. "${BASEDIR}/helper.sh"
fi
# Make sure only root can run this installer script.
requires_root
function init_memcached_install() {
if "${AUTO_INSTALL}"; then
DO_INSTALL_MEMCACHED="y"
else
while [[ "${DO_INSTALL_MEMCACHED}" != "y" && "${DO_INSTALL_MEMCACHED}" != "n" ]]; do
read -rp "Do you want to install Memcached server? [y/n]: " -i y -e DO_INSTALL_MEMCACHED
done
fi
if [[ ${DO_INSTALL_MEMCACHED} == y* && ${INSTALL_MEMCACHED} == true ]]; then
local SELECTED_MEMCACHED_INSTALLER=${MEMCACHED_INSTALLER:-"repo"}
case "${SELECTED_MEMCACHED_INSTALLER}" in
1|"repo")
echo "Installing Memcached server from repository..."
run apt-get -qq install -y libmemcached11 libmemcachedutil2 libmemcached-tools memcached
;;
2|"source"|*)
echo "Installing Memcached server from source..."
run apt-get -qq install -y libevent-dev libmemcached-tools libmemcached11 libmemcachedutil2
local CURRENT_DIR && \
CURRENT_DIR=$(pwd)
run cd "${BUILD_DIR}"
if [[ ${MEMCACHED_VERSION} == "latest" ]]; then
memcached_download_url="http://memcached.org/latest"
else
memcached_download_url="https://memcached.org/files/memcached-${MEMCACHED_VERSION}.tar.gz"
fi
if wget -q -O "memcached.tar.gz" "${memcached_download_url}"; then
run tar -zxf "memcached.tar.gz"
run cd memcached-*
if [[ ${MEMCACHED_SASL} == "enable" || ${MEMCACHED_SASL} == true ]]; then
run ./configure --bindir=/usr/bin --enable-sasl
else
run ./configure --bindir=/usr/bin
fi
run make && \
run make install
# Create memcache user.
# TODO: not realy used, due to LEMPer will run memcached as www-data to comply Nginx PageSpeed module.
if [[ -z $(getent passwd memcache) ]]; then
if "${DRYRUN}"; then
echo "Create memcache user in dryrun mode."
else
run groupadd -r memcache
run useradd -r -M -g memcache memcache
fi
fi
else
warning "An error occured when downloading Memcached source."
fi
run cd "${CURRENT_DIR}"
;;
esac
if [[ -n $(command -v memcached) ]]; then
echo "Configuring Memcached server..."
# Remove existing Memcached config.
if [ -f /etc/memcached.conf ]; then
run mv /etc/memcached.conf /etc/memcached.conf~
fi
# Copy multi user instance config.
if [ ! -d /etc/memcached ]; then
run cp -fr etc/memcached /etc/
fi
# Memcached init script.
if [ ! -f /etc/init.d/memcached ]; then
run cp -f etc/init.d/memcached /etc/init.d/
run chmod ugo+x /etc/init.d/memcached
fi
# Memcached systemd script (multi user instance).
if [ -f /lib/systemd/system/memcached.service ]; then
run mv /lib/systemd/system/memcached.service /lib/systemd/system/memcached.service~
fi
if [ ! -f /lib/systemd/system/memcached@.service ]; then
run cp etc/systemd/memcached@.service /lib/systemd/system/
fi
if [ -f /etc/systemd/system/multi-user.target.wants/memcached@.service ]; then
run mv /etc/systemd/system/multi-user.target.wants/memcached@.service \
/etc/systemd/system/multi-user.target.wants/memcached@.service~
fi
if [ ! -f /etc/systemd/system/multi-user.target.wants/memcached@.service ]; then
run ln -s /lib/systemd/system/memcached@.service \
/etc/systemd/system/multi-user.target.wants/memcached@.service
fi
# Custom memcached scripts.
if [ ! -f /usr/share/memcached/scripts/systemd-memcached-wrapper ]; then
run cp -fr share/memcached /usr/share/
run chmod ugo+x /usr/share/memcached/scripts/systemd-memcached-wrapper
run chmod ugo+x /usr/share/memcached/scripts/start-memcached
run chmod ugo+x /usr/share/memcached/scripts/memcached-tool
run chmod ugo+x /usr/share/memcached/scripts/damemtop
fi
# Try reloading daemon.
run systemctl daemon-reload
# Enable in start up.
run systemctl enable memcached@memcache.service
run systemctl enable memcached@www-data.service
# Enabled SASL auth?
if [[ ${MEMCACHED_SASL} == "enable" || ${MEMCACHED_SASL} == true ]]; then
echo "Memcached SASL auth is enabled..."
if "${DRYRUN}"; then
warning "Memcahed SASL-auth configured in dry run mode."
else
MEMCACHED_PASSWORD=${MEMCACHED_PASSWORD:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
run mkdir -p /etc/sasl2 && run touch /etc/sasl2/memcached_memcache.conf
cat >> /etc/sasl2/memcached_memcache.conf <<EOL
mech_list: plain
log_level: 5
sasldb_path: /etc/sasl2/sasldb2-memcached_memcache
EOL
run saslpasswd2 -p -a memcached -f /etc/sasl2/sasldb2-memcached_memcache -c "${USERNAME}" <<< "${MEMCACHED_PASSWORD}"
run chown memcache:memcache /etc/sasl2/sasldb2-memcached_memcache
run echo -e "\n# Enable SASL auth\n-S" >> /etc/memcached_memcache.conf
# Save config.
save_config -e "MEMCACHED_SASL_USERNAME=${USERNAME}\nMEMCACHED_SASL_PASSWORD=${MEMCACHED_PASSWORD}\nMEMCACHED_SASL_INSTANCE=memcache"
# Save log.
save_log -e "Memcached SASL auth is enabled, below is your default auth credential.\nUsername: ${MEMCACHED_PASSWORD}, password: ${MEMCACHED_PASSWORD}\nSave this credential and use it to authenticate your Memcached connection."
fi
fi
# Optimizing Memcached conf.
local RAM_SIZE && \
RAM_SIZE=$(get_ram_size)
if [[ ${RAM_SIZE} -le 2048 ]]; then
# If machine RAM less than / equal 1GiB, set Memcached to 1/16 of RAM size.
local MEMCACHED_SIZE=$((RAM_SIZE / 16))
elif [[ ${RAM_SIZE} -gt 2049 && ${RAM_SIZE} -le 8192 ]]; then
# If machine RAM less than / equal 8GiB and greater than 2GiB, set Memcached to 1/4 of RAM size.
local MEMCACHED_SIZE=$((RAM_SIZE / 8))
else
# Otherwise, set Memcached to max of 2048GiB.
local MEMCACHED_SIZE=2048
fi
run sed -i "s/-m 64/-m ${MEMCACHED_SIZE}/g" /etc/memcached_memcache.conf
run sed -i "s/-m 64/-m ${MEMCACHED_SIZE}/g" /etc/memcached_www-data.conf
fi
# Install PHP memcached module.
echo "Installing PHP memcached module..."
run apt-get -qq install -y php-igbinary php-memcache php-memcached php-msgpack
# Enable PHP module
echo "Enabling PHP memcached module..."
# Set PHP version to install.
PHP_VERSION=${PHP_VERSION:-"7.3"}
if [ "${PHP_VERSION}" != "all" ]; then
run enable_memcached "${PHP_VERSION}"
# Default PHP Required for LEMPer
if [ "${PHP_VERSION}" != "7.3" ]; then
run enable_memcached "7.3"
fi
else
run enable_memcached "5.6"
run enable_memcached "7.0"
run enable_memcached "7.1"
run enable_memcached "7.2"
run enable_memcached "7.3"
fi
# Installation status.
if "${DRYRUN}"; then
warning "Memcached server installed in dryrun mode."
else
if [[ $(pgrep -c memcached) -gt 0 ]]; then
#run service memcached@memcache restart
#run service memcached@www-data restart
run /usr/share/memcached/scripts/start-memcached \
/etc/memcached_memcache.conf /var/run/memcached_memcache.pid
run /usr/share/memcached/scripts/start-memcached \
/etc/memcached_www-data.conf /var/run/memcached_www-data.pid
status "Memcached server restarted successfully."
elif [[ -n $(command -v memcached) ]]; then
#run service memcached@memcache start
#run service memcached@www-data start
run /usr/share/memcached/scripts/start-memcached \
/etc/memcached_memcache.conf /var/run/memcached_memcache.pid
run /usr/share/memcached/scripts/start-memcached \
/etc/memcached_www-data.conf /var/run/memcached_www-data.pid
sleep 1
if [[ $(pgrep -c memcached) -gt 0 ]]; then
status "Memcached server started successfully."
else
warning "Something wrong with Memcached installation."
fi
fi
fi
fi
}
function enable_memcached {
# PHP version.
local PHPv="${1}"
if [ -z "${PHPv}" ]; then
PHPv=${PHP_VERSION:-"7.3"}
fi
if "${DRYRUN}"; then
echo "Enabling PHP Memcache module in dryrun mode."
else
# Optimize PHP memcache module.
if [ -d "/etc/php/${PHPv}/mods-available/" ]; then
if [ -f "/etc/php/${PHPv}/mods-available/memcache.ini" ]; then
cat >> "/etc/php/${PHPv}/mods-available/memcache.ini" <<EOL
; Optimized for LEMPer stack.
memcache.dbpath="/var/lib/memcache"
memcache.maxreclevel=0
memcache.maxfiles=0
memcache.archivememlim=0
memcache.maxfilesize=0
memcache.maxratio=0
; Custom setting for WordPress + W3TC.
session.bak_handler="memcache"
session.bak_path="tcp://127.0.0.1:11211"
EOL
fi
# Reload PHP-FPM service.
if [[ $(pgrep -c "php-fpm${PHPv}") -gt 0 ]]; then
run service "php${PHPv}-fpm" reload
status "PHP${PHPv}-FPM restarted successfully."
elif [[ -n $(command -v "php${PHPv}") ]]; then
run service "php${PHPv}-fpm" start
if [[ $(pgrep -c "php-fpm${PHPv}") -gt 0 ]]; then
status "PHP${PHPv}-FPM started successfully."
else
warning "Something wrong with PHP & FPM ${PHPv} installation."
fi
fi
else
warning "It seems that PHP ${PHPv} not yet installed. Please install it before!"
fi
fi
}
echo "[Memcached Server Installation]"
# Start running things from a call at the end so if this script is executed
# after a partial download it doesn't do anything.
if [[ -n $(command -v memcached) ]]; then
warning "Memcached server already exists. Installation skipped..."
else
init_memcached_install "$@"
fi
Reference in New Issue View Git Blame Copy Permalink