automation
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debian-redmine
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Bryan Joshua Pedini há 5 anos
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#!/usr/bin/env bash

###############################################################################
# #
# Redmine stable automatic installation script #
# #
# Designed for stressed VUAs with little to no wish to copypaste a gadzillion #
# UNIX commands. #
# #
# Copyright (c) 2020 - Bryan Pedini #
# #
###############################################################################

_parse_params() {
VERBOSE=true
MIGRATE=false
NO_CONFIGURE_MARIADB=false
NO_CREATE_USER=false
REDMINE_VERSION="4.1.0"
REDMINE_INSTALL_DIR="/opt/redmine"
for par in "$@"; do
case "$par" in
"-h" | "--help" | "--usage")
_print_usage
;;
"-q" | "--quiet")
VERBOSE=false
shift
;;
"--redmine-version")
[[ "$2:0:1" = "-" ]] && _print_usage
REDMINE_VERSION="$2"
shift
shift
;;
"--install-dir")
[[ "$2:0:1" = "-" ]] && _print_usage
REDMINE_INSTALL_DIR="$2"
shift
shift
;;
"--no-configure-mariadb")
NO_CONFIGURE_MARIADB=true
shift
;;
"--no-create-user")
NO_CREATE_USER=true
shift
;;
"--migrate")
MIGRATE=true
shift
;;
"--migration-source-sql")
[[ "$2:0:1" = "-" ]] && _print_usage
MIGRATION_SQL="$2"
shift
shift
;;
"--migration-source-dir")
[[ "$2:0:1" = "-" ]] && _print_usage
MIGRATION_DIR="$2"
shift
shift
;;
esac
done
if [[ ( "$MIGRATE" = true ) && ( "$MIGRATION_SQL" = "" ) ]]; then
_print_usage "flag --migration passed but either \
--migration-source-sql or
--migration-source-dir not provided." 1
fi
}

_print_usage() {
echo "Usage: $0 [OPTIONS]"
echo
echo "OPTIONS"
echo " -h, --help, --usage Prints this help message and exits"
echo " -q, --quiet Turns off verbose logging (default: True)"
echo " --redmine-version Install a custom version of the Redmine
project (default: latest)"
echo " --install-dir Specifies a custom path for installation
(default: /opt/redmine)"
echo " --no-configure-mariadb Does not launch the default MariaDB server
configuration scriptlet (default: False)"
echo " --no-create-user Does not create a \`redmine\` user
(default: False)"
echo " --migrate Launches a different procedure for
installation, which also import previous
existing data (default: False)"
echo " --migration-source-sql Specifies the path of the SQL database
export (default: \$PWD/redmine.sql)"
echo " --migration-source-dir Specifies the path of the previous redmine
installation. It can either be a different
path, or the same as the current installation
(default: /opt/redmine)"
echo
echo "Encountered error:"
if [ "$1" ]; then
echo " $1"
if [ "$2" ]; then
exit $2
fi
fi
exit 0
}

# Update current system
_update_system() {
[[ "$VERBOSE" = true ]] && echo "Updating current system"
ERR=$( { apt update 1>/dev/null; } 2>&1 | grep -v "stable CLI interface" )
[[ "$ERR" ]] && echo "Error during package cache update: $ERR"
ERR=$( { apt -y upgrade 1>/dev/null; } 2>&1 | grep -v \
"stable CLI interface" )
[[ "$ERR" ]] && echo "Error during system package updates: $ERR"
}

# Install required packages to run Redmine and Ruby on Rails underneath
_install_rails_environment() {
[[ "$VERBOSE" = true ]] && echo "Installing required packages to run \
Redmine and Ruby on Rails underneath"
ERR=$( { apt -y install build-essential ruby-dev libxslt1-dev \
libmariadb-dev libxml2-dev zlib1g-dev imagemagick \
libmagickwand-dev curl apache2 libapache2-mod-passenger \
mariadb-client mariadb-server 1>/dev/null; } 2>&1 | grep -v \
"stable CLI interface" )
[[ "$ERR" ]] && echo "Error during package installations: $ERR"
}

# Add an unprivileged user to run the Redmine app afterwards
_add_redmine_user() {
[[ "$VERBOSE" = true ]] && echo "Adding an unprivileged user to run the \
Redmine app afterwards"
useradd -r -m -d "$REDMINE_INSTALL_DIR" -s /usr/bin/bash redmine &>/dev/null && \
usermod -aG redmine www-data &>/dev/null
}

# Ask the user for mysql `root` password and configure mysql in unattended mode
_configure_mariadb_server() {
read -sp 'Please type a `root` password for mysql database: ' \
MYSQL_ROOT_PASSWORD && echo ""

[[ "$VERBOSE" = true ]] && echo "Configuring mysql in unattended mode"
ERR=$( { apt -y install expect >/dev/null; } 2>&1 | grep -v \
"stable CLI interface" )
[[ "$ERR" ]] && echo "Error during package installations: $ERR"
SECURE_MYSQL=$(expect -c "
set timeout 10
spawn mysql_secure_installation
expect \"Enter current password for root (enter for none):\"
send \"\r\"
expect \"Set root password?\"
send \"y\r\"
expect \"New password:\"
send \"$MYSQL_ROOT_PASSWORD\r\"
expect \"Re-enter new password:\"
send \"$MYSQL_ROOT_PASSWORD\r\"
expect \"Remove anonymous users?\"
send \"y\r\"
expect \"Disallow root login remotely?\"
send \"y\r\"
expect \"Remove test database and access to it?\"
send \"y\r\"
expect \"Reload privilege tables now?\"
send \"y\r\"
expect eof
")
ERR=$( { echo "$SECURE_MYSQL" 1>/dev/null; } 2>&1 )
[[ "$ERR" ]] && echo "Error during mysql_initialization: $ERR"
ERR=$( { apt -y remove --purge expect >/dev/null; } 2>&1 | \
grep -v "stable CLI interface" )
[[ "$ERR" ]] && echo "Error during package removals: $ERR"

unset SECURE_MYSQL
}

# Create Redmine database with associated login
_configure_redmine_database() {
[[ "$VERBOSE" = true ]] && echo "Creating Redmine database with \
associated login"
MYSQL_ROOT_USER="root"
QUERY="command=password&format=plain&scheme=rrnnnrrnrnnnrrnrnnrr"
REDMINE_ADMIN_PASSWORD=$(curl -s \
"https://www.passwordrandom.com/query?$QUERY")
SQL="CREATE DATABASE redmine;"
mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"
SQL="GRANT ALL PRIVILEGES ON redmine.* TO redmine_admin@localhost
IDENTIFIED BY '$REDMINE_ADMIN_PASSWORD';"
mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"
SQL="FLUSH PRIVILEGES;"
mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"

unset SQL; unset MYSQL_ROOT_USER; unset MYSQL_ROOT_PASSWORD; unset QUERY
}

# Download Redmine on temporary directory, extract it on /opt and reconfigure
# default config parameters with real values
_download_redmine() {
[[ "$VERBOSE" = true ]] && echo "Downloading Redmine on temporary \
directory"
ERR=$( { wget -q \
http://www.redmine.org/releases/redmine-${REDMINE_VERSION}.tar.gz -P \
/tmp/ && wget -q \
http://www.redmine.org/releases/redmine-${REDMINE_VERSION}.tar.gz.md5 \
-P /tmp/ && cd /tmp/ && md5sum -c \
redmine-${REDMINE_VERSION}.tar.gz.md5 1>/dev/null; } 2>&1 )
[[ "$ERR" ]] && echo "Error downloading or verifying signature of \
Redmine: $ERR"
rm /tmp/redmine-${REDMINE_VERSION}.tar.gz.md5

[[ "$VERBOSE" = true ]] && echo "Extracting Redmine on \
$REDMINE_INSTALL_DIR"
mkdir "$REDMINE_INSTALL_DIR" && chown redmine:redmine \
"$REDMINE_INSTALL_DIR"
sudo -u redmine tar xzf /tmp/redmine-${REDMINE_VERSION}.tar.gz -C \
"$REDMINE_INSTALL_DIR" --strip-components=1

[[ "$VERBOSE" = true ]] && echo "Configuring Redmine"
sudo -u redmine cp \
"$REDMINE_INSTALL_DIR"/config/configuration.yml{.example,} && sudo \
-u redmine cp "$REDMINE_INSTALL_DIR"/config/database.yml{.example,} \
&& sudo -u redmine cp \
"$REDMINE_INSTALL_DIR"/public/dispatch.fcgi{.example,}
sed -i "0,/root/s//redmine_admin/" \
"$REDMINE_INSTALL_DIR"/config/database.yml
sed -i "0,/\"\"/s//\"$REDMINE_ADMIN_PASSWORD\"/" \
"$REDMINE_INSTALL_DIR"/config/database.yml
unset REDMINE_ADMIN_PASSWORD
unset REDMINE_VERSION
}

_configure_redmine_permissions() {
# Create required Redmine folders and set correct permissions
[[ "$VERBOSE" = true ]] && echo "Creating required Redmine folders and \
set correct permissions"
sudo -u redmine mkdir -p tmp/pdf
sudo -u redmine mkdir -p public/plugin_assets
}

_configure_redmine_dependencies() {
# Install required Ruby files
[[ "$VERBOSE" = true ]] && echo "Installing required Ruby files"
cd "$REDMINE_INSTALL_DIR"
ERR=$( { gem install bundler 1>/dev/null; } 2>&1 )
[[ "$ERR" ]] && echo "Error while installing bundler Gem: $ERR"
sudo -u redmine bundle config set path "vendor/bundle"
sudo -u redmine bundle config set without "development test"
ERR=$( { sudo -u redmine bundle install 1>/dev/null; } 2>&1 )
[[ "$ERR" ]] && echo "Error while installing Redmine bundled Gems: $ERR"
sudo -u redmine bundle exec rake generate_secret_token 1>/dev/null
sudo -u redmine RAILS_ENV=production bundle exec rake db:migrate \
1>/dev/null

# Only if not migrating, load default redmine data
[[ ! "$MIGRATE" ]] && sudo -u redmine RAILS_ENV=production \
REDMINE_LANG=en bundle exec rake redmine:load_default_data 1>/dev/null
}

# Configure Apache2 to run Redmine
_configure_apache2() {
# Ask the user for Apache2 Redmine hostname
read -p 'Please type the FQDN Redmine should run on: ' \
REDMINE_HOSTNAME && echo ""

[[ "$VERBOSE" = true ]] && echo "Configuring Apache2 to run Redmine"
cat << "EOF" > /etc/apache2/sites-available/redmine.conf
<VirtualHost *:80>
ServerName $REDMINE_HOSTNAME
RailsEnv production
DocumentRoot "$REDMINE_INSTALL_DIR/public"

<Directory "$REDMINE_INSTALL_DIR/public">
Allow from all
Require all granted
</Directory>

ErrorLog \${APACHE_LOG_DIR}/redmine_error.log
CustomLog \${APACHE_LOG_DIR}/redmine_access.log combined
</VirtualHost>
EOF
unset REDMINE_HOSTNAME; unset REDMINE_INSTALL_DIR
}

# Enable passenger module if not already done
_enable_redmine() {
[[ "$VERBOSE" = true ]] && echo "Enabling passenger module if not already \
done"
[[ ! "$( apache2ctl -M | grep -i passenger )" ]] && a2enmod passenger

# Enable redmine website over Apache2
[[ "$VERBOSE" = true ]] && echo "Enabling redmine website over Apache2"
a2ensite redmine 1>/dev/null
systemctl reload apache2
}

# Main program function, calls all other functions in the correct order
_main() {
_update_system
_install_rails_environment
[[ "$NO_CREATE_USER" = false ]] && _add_redmine_user
[[ "$NO_CONFIGURE_MARIADB" = false ]] && _configure_mariadb_server
_configure_redmine_database
_download_redmine
_configure_redmine_permissions
_configure_redmine_dependencies
_configure_apache2
_enable_redmine
}

# Program execution
_parse_params $@
_main

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