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Mercator installation procedure

Recommended configuration

  • OS : Ubuntu 22.04 LTS - Server - Small user footprint
  • RAM : 2G
  • Disk : 10G
  • VCPU 2

Installation

Update the linux distribution

sudo apt update && sudo apt upgrade

Install PHP and some PHP libraries

sudo apt install php-zip php-curl php-mbstring php-dom php-ldap php-soap php-xdebug php-mysql php-gd libapache2-mod-php

Install Apache2, GIT, Graphviz et Composer

sudo apt install apache2 git graphviz composer

Project

Create the project directory

cd /var/www
sudo mkdir mercator
sudo chown $USER:$GROUP mercator

Clone the project from Github

git clone https://www.github.com/dbarzin/mercator

Composer

Install packages with composer :

cd /var/www/mercator
composer update

Publish all publishable assets from vendor packages

php artisan vendor:publish --all

MySQL

Install MySQL

sudo apt install mysql-server

Make sure you are using MySQL

sudo mysql --version

Launch MySQL with root rights

sudo mysql

Create the database mercator and the user mercator_user.

CREATE DATABASE mercator CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE USER 'mercator_user'@'localhost' IDENTIFIED BY 's3cr3t';
GRANT ALL PRIVILEGES ON mercator.* TO 'mercator_user'@'localhost';
GRANT PROCESS ON *.* TO 'mercator_user'@'localhost';

FLUSH PRIVILEGES;
EXIT;

Configuration

Create an .env file in the root directory of the project:

cd /var/www/mercator
cp .env.example .env

Put the connection parameters to the database :

vi .env

## .env file
DB_CONNECTION=mysql
# DB_CONNECTION=pgsql.env
DB_HOST=127.0.0.1
DB_PORT=3306
# Comment DB_PORT for pgsql
DB_DATABASE=mercator
DB_USERNAME=mercator_user
DB_PASSWORD=s3cr3t

Create the database

Execute the migrations

php artisan migrate --seed

Note: the seed is important (--seed), as it will create the first administrator user for you.

Generate the application key

php artisan key:generate

Clear the cache

php artisan config:clear

To import the test database (optional)

sudo mysql mercator < mercator_data.sql

or (Postgres)

psql mercator < pg_mercator_data.sql

Import the CPE Database

Decompress CPE databse

gzip -d mercator_cpe.sql.gz

Import database

sudo mysql mercator < mercator_cpe.sql

Start

Start the application with php

php artisan serve

or to access the application there from another server

php artisan serve --host 0.0.0.0 --port 8000

The application is accessible at the URL [http://127.0.0.1:8000] user : admin@admin.com password : password

Passport configuration

To set up the JSON API, install Laravel Passport

php artisan passport:install

Generate the API keys

php artisan passport:keys

Change the access permissions of the key

sudo chown www-data:www-data storage/oauth-*.key
sudo chmod 600 storage/oauth-*.key

Mail configuration

If you wish to send notification e-mails from Deming. You have to configure the SMTP server access in .env

MAIL_HOST='smtp.localhost'
MAIL_PORT=2525
MAIL_AUTH=true
MAIL_SMTP_SECURE='ssl'
MAIL_SMTP_AUTO_TLS=false
MAIL_USERNAME=
MAIL_PASSWORD=

You may also configure DKIM :

MAIL_DKIM_DOMAIN = 'admin.local';
MAIL_DKIM_PRIVATE = '/path/to/private/key';
MAIL_DKIM_SELECTOR = 'default'; // Match your DKIM DNS selector
MAIL_DKIM_PASSPHRASE = '';      // Only if your key has a passphrase

Don't forget to configure the content and frequency of your emails.

Scheduler

Modify the crontab

sudo crontab -e

add this line in the crontab

* * * * * cd /var/www/mercator && php artisan schedule:run >> /dev/null 2>&1

LDAP Configuration

Modify .env file, and uncomment LDAP configuration :

# Several possible types: AD, OpenLDAP, FreeIPA, DirectoryServer
LDAP_TYPE="AD"
# If true, LDAP's actions will be log into
LDAP_LOGGING=true
LDAP_CONNECTION=default
LDAP_HOST=127.0.0.1
# Identifiants de l'utilisateur qui se connectera au LDAP afin d'effectuer les requêtes
LDAP_USERNAME="cn=user,dc=local,dc=com"
LDAP_PASSWORD=secret
LDAP_PORT=389
LDAP_BASE_DN="dc=local,dc=com"
LDAP_TIMEOUT=5
LDAP_SSL=false
LDAP_TLS=false
# Permet de restreindre l'accès à une arborescence
LDAP_SCOPE="ou=Accounting,ou=Groups,dc=planetexpress,dc=com"
# Permet de restreindre l'accès à des groupes
LDAP_GROUPS="Delivering,Help Desk"

Find more complete documentation on LDAP configuration here.

KeyCloak Configuration (optional)

To configure Keycloak, follow these steps:

  • Open your .env file.
  • Uncomment and modify the Keycloak configuration settings as follows:
KEYCLOAK = enable
KEYCLOAK_CLIENT_ID= # Client Name (on Keycloak)
KEYCLOAK_CLIENT_SECRET=  # Client Secret
KEYCLOAK_REDIRECT_URI=<Mercator IP Address>/login/keycloak/callback
KEYCLOAK_BASE_URL=<KeyCloak IP Address>
KEYCLOAK_REALM=   # RealM Name

Once you make the KEYCLOAK parametre in 'enable' you would see a bouton in Login page that redirect to keycloak server

Find more complete documentation on Keycloak configuration here.

Apache

To configure Apache, change the properties of the mercator directory and grant the appropriate permissions to the hive with the following command:

sudo chown -R www-data:www-data /var/www/mercator
sudo chmod -R 775 /var/www/mercator/storage

Next, create a new Apache virtual host configuration file to serve the Mercator application:

sudo vi /etc/apache2/sites-available/mercator.conf

Add the following lines:

<VirtualHost *:80>
    ServerName mercator.local
    ServerAdmin admin@example.com
    DocumentRoot /var/www/mercator/public
    <Directory /var/www/mercator>
        AllowOverride All
    </Directory>
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

Save and close the file when you are done. Next, enable the Apache virtual host and the rewrite module with the following command:

sudo a2enmod rewrite
sudo a2dissite 000-default.conf
sudo a2ensite mercator.conf

Finally, restart the Apache service to activate the changes:

sudo systemctl restart apache2

HTTPS

Activate Apache SSL module

sudo a2enmod ssl

Here is the configuration file for HTTPS

<VirtualHost *:443>
    ServerName carto.XXXXXXXX
    ServerAdmin
    DocumentRoot /var/www/mercator/public
    SSLEngine on
    SSLProtocol all -SSLv2 -SSLv3
    SSLCipherSuite HIGH:3DES:!aNULL:!MD5:!SEED:!IDEA
    SSLCertificateFile /etc/apache2/certs/certs/carto.XXXXX.crt
    SSLCertificateKeyFile /etc/apache2/certs/private/private.key
    SSLCertificateChainFile /etc/apache2/certs/certs/XXXXXCA.crt
    <Directory /var/www/mercator/public>
        AllowOverride All
    </Directory>
    ErrorLog ${APACHE_LOG_DIR}/mercator_error.log
    CustomLog ${APACHE_LOG_DIR}/mercator_access.log combined
</VirtualHost>

To force HTTPS redirection you have to set this parameter in .env

APP_ENV=production

Problems

Restore the administrator password

mysql mercator -e "update users set password=$(php -r "echo password_hash('n3w-p4sSw0rD.', PASSWORD_BCRYPT, ['cost' => 10]);") where id=1;"

PHP Memory

If you generate large reports, you will need to increase the memory allocated to PHP in /etc/php/x.x/apache2/php.ini

memory_limit = 512M

Upgrade

Before updating the application take a backup of the database and the project.

mysqldump mercator > mercator_backup.sql

or (Postgres)

pg_dump mercator > mercator_backup.sql

Get the sources from GIT

cd /var/www/mercator
git pull

Migrate the database

php artisan migrate

Update the libraries

composer update

Empty caches

php artisan config:clear && php artisan view:clear

Non-regression tests

To run Mercator's non-regression tests, you must first install Chromium :

sudo apt install chromium-browser

Install the dusk pluggin

php artisan dusk:chrome-driver

Configure the environment

cp .env .env.dusk.local

Launch the application

php artisan serve

In another terminal, launch the tests

php artisan dusk

or to stop on first error

php artisan dusk --stop-on-error --stop-on-failure

Repair the problems of migration

Update the libraries

composer update

Backup the database

mysqldump mercator \
    --complete-insert \
    --no-create-db \
    --no-create-info \
    --ignore-table=mercator.users \
    --ignore-table=mercator.roles \
    --ignore-table=mercator.permissions \
    --ignore-table=mercator.permission_role \
    --ignore-table=mercator.role_user \
    --ignore-table=mercator.migrations \
    > backup_mercator_data.sql

or (Postgres)

pg_dump --exclude-table=users \
  --exclude-table=roles \
  --exclude-table=permissions \
  --exclude-table=permission_role \
  --exclude-table=role_user  \
  --exclude-table=migrations  \
  mercator > backup_mercator_data.sql

Then backup database users

mysqldump mercator \
    --complete-insert \
    --tables users roles role_user
    --add-drop-table \
    > backup_mercator_users.sql

or (Postgres):

pg_dump --clean \
  -t users -t roles -t role_user \
  > backup_mercator_users.sql

Delete the Mercator database

sudo mysql -e "drop database mercator;"

Create a new database

sudo mysql -e "CREATE DATABASE mercator CHARACTER SET utf8 COLLATE utf8_general_ci;"

Run the migrations

php artisan migrate --seed

Generate the key

php artisan key:generate

Restore the data and fix errors

mysql mercator < backup_mercator_data.sql

or (Postgres)

psql mercator < backup_mercator_data.sql

Restore users

mysql mercator < backup_mercator_users.sql

or (Postgres)

psql mercator < backup_mercator_users.sql

All migration issues should be resolved.