#!/bin/bash
timedatectl set-timezone Europe/Madrid
start_time=`date`
echo "provisioning started: ${start_time}"
#### The user must fill these variables - START
# Fully Qualified Name
MACHINE_HOSTNAME=
# Add the installer archive name here
NEXTCLOUD_INSTALLER_ARCHIVE=
# Database Host
DATABASE_MACHINE_HOSTNAME=
# If the database already exists, set to 1 (this has no effect momentarily)
DATABASE_ALREADY_EXIST=1
# Redis Host
REDIS_MACHINE_HOSTNAME=
# Redis Port (default is generally 6379)
REDIS_MACHINE_PORT=
# GlusterFs Host
GLUSTERFS_MACHINE_HOSTNAME=
# GlusterFs Volume
GLUSTERFS_VOLUME=
#### The user must fill these variables - END
NEXTCLOUD_USER=usrv
NETWORK_INTERFACE=eth0
PHP_INI=/etc/php/7.4/apache2/php.ini
hostnamectl set-hostname ${MACHINE_HOSTNAME}
# Print some information about the container OS
hostnamectl
# Print some information about the container timezone
timedatectl
#####################################################################
## Get the IP address into an environment variable. This command outputs
## an empty variable if the network interface name is not ${NETWORK_INTERFACE}
#####################################################################
ip_address=`ip -4 addr show ${NETWORK_INTERFACE} | grep -oP '(?<=inet\s)\d+(\.\d+){3}'`
adduser --disabled-password --gecos GECOS ${NEXTCLOUD_USER}
usermod -p "`openssl passwd -1 -salt 5RPVAd ${NEXTCLOUD_USER}`" ${NEXTCLOUD_USER}
adduser ${NEXTCLOUD_USER} sudo
## Install Nextcloud: https://docs.nextcloud.com/server/stable/admin_manual/installation/example_ubuntu.html
#####
## Step 001
## Check the MD5 of the Nextcloud Installer
##(cd to the folder to avoid a 'File Not Found' error
cd /vagrant/artifacts
md5sum -c ${NEXTCLOUD_INSTALLER_ARCHIVE}.md5 < ${NEXTCLOUD_INSTALLER_ARCHIVE}
md5sum_exit_status=$?
cd --
echo "Exit status for md5sum check for Nextcloud installer: ${md5sum_exit_status}"
if [ "${md5sum_exit_status}" == "0" ]; then
echo "Check OK"
else
echo "Check KO"
echo "Aborting"
exit 1
fi
## Install the needed packages from apt repositories
apt update
apt install -y apache2 libapache2-mod-php7.4 imagemagick
apt install -y php7.4-gd php7.4-mysql php7.4-curl php7.4-mbstring php7.4-intl
apt install -y php7.4-gmp php7.4-bcmath php-imagick php7.4-xml php7.4-zip
apt install -y php-redis php-apcu
apt install -y glusterfs-client
apt install -y mysql-client
## Expand the installer archive and move the content to the web server root folder (/var/www)
echo "START - Expand the installer archive and move the content to the web server root folder (/var/www)"
cd /vagrant/artifacts
tar -xjf ${NEXTCLOUD_INSTALLER_ARCHIVE}
cp -r nextcloud /var/www
echo "END - Expand the installer archive and move the content to the web server root folder (/var/www)"
## Apache Web Server Configuration
echo "START - Apache Web Server Configuration"
systemctl stop apache2
cp /vagrant/artifacts/nextcloud.conf /etc/apache2/sites-available/nextcloud.conf
## Putting the machine hostname in the Apache site configuration file (nextcloud.conf)
sed -i "s|#MACHINE_HOSTNAME#|${MACHINE_HOSTNAME}|g" /etc/apache2/sites-available/nextcloud.conf
## Activate nextcloud.conf
a2ensite nextcloud.conf
## Disactivate 000-default.conf
a2dissite 000-default.conf
## For Nextcloud to work correctly, we need the module mod_rewrite. Enable it by running:
a2enmod rewrite
## Additional recommended modules are mod_headers, mod_env, mod_dir and mod_mime:
a2enmod headers
a2enmod env
a2enmod dir
a2enmod mime
a2enmod ssl
chown -R www-data:www-data /var/www/nextcloud/
echo "END - Apache Web Server Configuration"
echo "START - Mounting GlusterFS filesystem"
mkdir -p /data/nextcloud
chown www-data.www-data /data/nextcloud
cp /vagrant/artifacts/data-nextcloud.mount /etc/systemd/system/data-nextcloud.mount
sed -i "s|#GLUSTERFS_MACHINE_HOSTNAME#|${GLUSTERFS_MACHINE_HOSTNAME}|g" /etc/systemd/system/data-nextcloud.mount
sed -i "s|#GLUSTERFS_VOLUME#|${GLUSTERFS_VOLUME}|g" /etc/systemd/system/data-nextcloud.mount
systemctl daemon-reload
systemctl enable data-nextcloud.mount
systemctl start data-nextcloud.mount
systemctl status data-nextcloud.mount
df -hT /data/nextcloud
chown www-data.www-data /data/nextcloud
touch /data/nextcloud/.ocdata
chown www-data.www-data /data/nextcloud/.ocdata
echo "END - Mounting GlusterFS filesystem"
## Installing Nextcloud from CLI (https://docs.nextcloud.com/server/stable/admin_manual/installation/command_line_installation.html)
echo "START - Installing Nextcloud from CLI"
## Create a local wrapper occ command
cp /vagrant/artifacts/occ /usr/local/bin/occ
chmod +x /usr/local/bin/occ
## If it is a node in a cluster, the admin user should have a random part, to avoid an "Already existing" user
admin_usr=admin-`echo ${RANDOM} | md5sum | head -c 4`
occ maintenance:install --database "mysql"\
--database-name "nextcloud_db"\
--database-host "${DATABASE_MACHINE_HOSTNAME}"\
--database-user "nextcloud_usr"\
--database-pass "nextcloud_usr"\
--admin-user "${admin_usr}"\
--admin-pass "${admin_usr}"
## Adding the Hostname in the trusted_domains config key
occ config:system:set trusted_domains 1 --value "${MACHINE_HOSTNAME}"
echo "END - Installing Nextcloud from CLI"
## Tweaking some Nextcloud settings
echo "START - Tweaking some Nextcloud settings"
## Increasing PHP memory_limit to 512M
sed -i "s|memory_limit =.*|memory_limit = 512M|g" "$PHP_INI"
## Setting up pretty URLs
occ config:system:set htaccess.RewriteBase --value '/'
occ config:system:set overwrite.cli.url --value "https://${MACHINE_HOSTNAME}"
occ maintenance:update:htaccess
## Order is important here. The 'redis' array must be configured first.
occ config:system:set redis host --value "${REDIS_MACHINE_HOSTNAME}"
occ config:system:set redis port --value "${REDIS_MACHINE_PORT}"
#https://help.nextcloud.com/t/occ-wont-run-with-memcache-apcu/119724
sudo -u www-data php --define apc.enable_cli=1 /var/www/nextcloud/occ config:system:set memcache.local --value '\OC\Memcache\APCu'
sudo -u www-data php --define apc.enable_cli=1 /var/www/nextcloud/occ config:system:set memcache.distributed --value '\OC\Memcache\Redis'
sudo -u www-data php --define apc.enable_cli=1 /var/www/nextcloud/occ config:system:set memcache.locking --value '\OC\Memcache\Redis'
sudo -u www-data php --define apc.enable_cli=1 /var/www/nextcloud/occ config:system:set filelocking.enabled --value 'true'
sudo -u www-data php --define apc.enable_cli=1 /var/www/nextcloud/occ config:system:set datadirectory --value '/data/nextcloud'
echo "END - Tweaking some Nextcloud settings"
systemctl restart apache2
systemctl status apache2
## Adding system user to www-data group (to ease command line operations)
adduser ${NEXTCLOUD_USER} www-data
echo "START - Cleanup"
rm -rf /vagrant/artifacts/nextcloud
echo "END - Cleanup"
end_time=`date`
echo "This container has IP (interface: ${NETWORK_INTERFACE}): ${ip_address}"
echo "If you add this IP to the hostname (${MACHINE_HOSTNAME}) in your hosts file:"
echo " You can connect with user ${NEXTCLOUD_USER} via ssh (password ${NEXTCLOUD_USER}): ssh ${NEXTCLOUD_USER}@${MACHINE_HOSTNAME}"
echo " You can connect to this Nextcloud instance with the following URL: http://${MACHINE_HOSTNAME}. Login with ${admin_usr}/$admin_usr}"
echo "provisioning started: ${start_time}"
echo "provisioning ended: ${end_time}"
