Initial commit
This commit is contained in:
Tom Wiesing
commit
5a1bf22e0b
15 changed files with 1604 additions and 0 deletions
46
factory/lib/00_init.sh
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46
factory/lib/00_init.sh
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#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# Check that we are running on a linux system, to prevent accidentally running on Windows or Mac.
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# Ideally we would want to explicitly limit to Debian / Ubuntu but at this point that's not needed.
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OS="$(uname -s)"
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case "${OS}" in
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Linux*) :;;
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*) echo "This script must be run under Linux. "; exit 1;;
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esac
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# To prevent accidentally messing up permissions, we need to always run as root.
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# Check that the uid is 0, and otherwise bail out.
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if [[ $EUID -ne 0 ]]; then
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echo "This script should be run as root, use 'sudo' if in doubt. "
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exit 1;
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fi
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# We enable shell aliases, to allow us to setup utility functions much more easily.
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# To be safe that we don't have any other ones in the environment, we first unalias everything.
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unalias -a
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shopt -s expand_aliases
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# Setup some basic input/output functions
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function log_info() {
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echo -e "\033[1m$1\033[0m"
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}
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function log_ok() {
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echo -e "\033[0;32m$1\033[0m"
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}
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function log_warn() {
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echo -e "\033[1;33m$1\033[0m"
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}
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function log_error() {
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echo -e "\033[0;31m$1\033[0m"
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}
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128
factory/lib/10_config.sh
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128
factory/lib/10_config.sh
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#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# The Path to the configuration file.
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CONFIG_FILE="$SCRIPT_DIR/.env"
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# Check that the configuration file exists.
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# If it does not, throw an error
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log_info " => Reading configuration file"
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if ! [ -f "$CONFIG_FILE" ]; then
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log_error ""
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log_error "Missing configuration, provide a '.env' file"
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exit 1
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fi
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# 'source' in the configuration file.
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# Ideally we would want to make sure to prevent code-executation within the .env file
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# But for the moment let's not.
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source "$CONFIG_FILE"
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# Next, validate all the configuration settings.
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# is_valid_slug checks if it's argument is a valid 'slug'.
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# A slug is any non-empty string of alphanumeric characters or '-'s.
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# The first character of a slug may not be a dash.
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function is_valid_slug() {
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if [[ "$1" =~ ^[a-zA-Z0-9][-a-zA-Z0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# is_valid_abspath checks if it's argument is an absolute path.
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function is_valid_abspath() {
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if [[ "$1" =~ ^\/(.+)\/([^/]+)$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# 'is_valid_domain' checks if a number is a valid domain.
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# A domain consists of at least one slug, seperated by '.'s.
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# Each token is a slug.
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function is_valid_domain() {
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if [[ "$1" =~ ^([a-zA-Z0-9][-a-zA-Z0-9]*\.)*[a-zA-Z0-9][-a-zA-Z0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# 'is_valid_number' checks if a value is a valid number.
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function is_valid_number() {
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if [[ "$1" =~ ^[1-9][0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# The 'DRUPAL_ROOT' variable must be an absolute path.
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if ! is_valid_abspath "$DRUPAL_ROOT"; then
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log_error "Variable 'DRUPAL_ROOT' is missing or not a valid path. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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log_info "Please ensure that it does not end in '/'. ";
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exit 1;
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fi
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# The 'SYSTEM_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$SYSTEM_USER_PREFIX"; then
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log_error "Variable 'SYSTEM_USER_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'MYSQL_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$MYSQL_USER_PREFIX"; then
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log_error "Variable 'MYSQL_USER_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'MYSQL_DATABASE_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$MYSQL_DATABASE_PREFIX"; then
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log_error "Variable 'MYSQL_DATABASE_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'GRAPHDB_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$GRAPHDB_USER_PREFIX"; then
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log_error "Variable 'DATABASE_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'GRAPHDB_REPO_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$GRAPHDB_REPO_PREFIX"; then
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log_error "Variable 'GRAPHDB_REPO_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'DOMAIN' variable must be a valid domain.
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if ! is_valid_domain "$DEFAULT_DOMAIN"; then
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log_error "Variable 'DEFAULT_DOMAIN' is missing or not a valid domain. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'PASSWORD_LENGTH' variable must be a valid number.
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if ! is_valid_number "$PASSWORD_LENGTH"; then
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log_error "Variable 'PASSWORD_LENGTH' is missing or not a valid number. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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log_ok "Read and validated configuration file. "
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78
factory/lib/20_slug.sh
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78
factory/lib/20_slug.sh
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#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# This file reads a single slug command line option.
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# This is validated when 'require_slug_argument' is called.
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function require_slug_argument() {
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# The 'SLUG' argument must be a valid slug.
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if ! is_valid_slug "$SLUG"; then
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log_error "Argument 'SLUG' is missing or not a valid slug. ";
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log_info "Please provide it via the command line. ";
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exit 1;
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fi
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log_info " => Deriving configuration for '$SLUG'. "
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echo "Domain Name: $INSTANCE_DOMAIN"
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echo "Base Directory: $BASE_DIR"
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echo "System User: $SYSTEM_USER"
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echo "MySQL User: $MYSQL_USER"
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echo "MySQL Database: $MYSQL_DATABASE"
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echo "GraphDB User: $GRAPHDB_USER"
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echo "GraphDB Repository: $GRAPHDB_REPO"
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}
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# Read the slug argument.
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# We also read it in for scripts where it is not required, and will only use it if that is the case.
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SLUG="$1"
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# Compute the domain name for this instance.
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# Also lowercase the domain name for consistency.
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INSTANCE_DOMAIN="$SLUG.$DEFAULT_DOMAIN"
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INSTANCE_DOMAIN="$(echo "$INSTANCE_DOMAIN" | tr '[:upper:]' '[:lower:]')"
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# Next we need a username base.
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# This will be used as a username across the system (linux), MySQL and GraphDB.
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# For this we can only allow [0-9a-zA-Z-], hence we have to escape.
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# In most cases, the only characters that require escaping are '.'s.
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# Hence we replace '.' with '-'s.
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# We replace the other two characters that require escaping (_ and -)s with --u and --s respectively.
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# Because no two dots can ever follow each other in the INSTANCE_DOMAIN, this is guaranteed collision free.
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# We also have to do the '-' replacement first, to prevent escaped other characters from being escaped twice.
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USERNAME_BASE="$SLUG"
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USERNAME_BASE="${USERNAME_BASE//-/--d}"
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USERNAME_BASE="${USERNAME_BASE//_/--u}"
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USERNAME_BASE="${USERNAME_BASE//./-}"
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# Generate the user and database names for the various systems
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SYSTEM_USER="${SYSTEM_USER_PREFIX}${USERNAME_BASE}"
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MYSQL_USER="${MYSQL_USER_PREFIX}${USERNAME_BASE}"
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MYSQL_DATABASE="${MYSQL_DATABASE_PREFIX}${USERNAME_BASE}"
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GRAPHDB_USER="${GRAPHDB_USER_PREFIX}${USERNAME_BASE}"
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GRAPHDB_REPO="${GRAPHDB_REPO_PREFIX}${USERNAME_BASE}"
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# Compute the base directory for the files that will live on disk.
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BASE_DIR="$DRUPAL_ROOT/$INSTANCE_DOMAIN"
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COMPOSER_DIR="$BASE_DIR/project"
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WEB_DIR="$COMPOSER_DIR/web"
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# Setup aliases for drush and composer.
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alias composer="sudo -u $SYSTEM_USER /usr/local/bin/composer"
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alias drush="sudo -u $SYSTEM_USER $COMPOSER_DIR/vendor/bin/drush"
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# Because of a bug in Drupal we constantly have to reset the permissions of the site directory.
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# See https://www.drupal.org/project/drupal/issues/3091285.
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function drupal_sites_permission_workaround() {
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chmod -R u+w "$WEB_DIR/sites/"
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}
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# Apache configuration paths
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APACHE_CONFIG_SITE_AVAILABLE="/etc/apache2/sites-available/${INSTANCE_DOMAIN}.conf"
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APACHE_CONFIG_SITE_ENABLED="/etc/apache2/sites-enabled/${INSTANCE_DOMAIN}.conf"
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16
factory/lib/30_utils.sh
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16
factory/lib/30_utils.sh
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#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# Set a few variables to point to the debian frontend
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export DEBIAN_FRONTEND=noninteractive
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# This file just sets a few utility functions to be used by the code.
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# randompw generates a random password as per the configuration file.
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alias randompw="cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $PASSWORD_LENGTH | head -n 1"
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20
factory/lib/lib.sh
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20
factory/lib/lib.sh
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#!/bin/bash
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set -e
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# This file will load all the library functions needed by the various scripts.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# Set variables for the script_dir and the lib_dir
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SCRIPT_DIR="$(pwd)"
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LIB_DIR="$SCRIPT_DIR/lib"
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# Next, we load a bunch of utility functions stored in lib/lib_<number>_<system>.sh
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# These contain functionality used in the various scripts.
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source "$LIB_DIR/00_init.sh";
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source "$LIB_DIR/10_config.sh";
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source "$LIB_DIR/20_slug.sh";
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source "$LIB_DIR/30_utils.sh";
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