Install Homeserver cloud infrastructure with Nextcloud, Matrix, and VPN

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Preparation

Install Ansible on your dev machine

Clone this repo and change into the directory nextcloud_setup.

git clone https://github.com/enewbury/cloud

cd cloud

Note that root must have also sudo right otherwise the script will complain. Some hoster use distros where root is not in the sudoers file. In this case you have to add root ALL=(ALL) NOPASSWD:ALL to /etc/sudoers.

Configuration

Now you can configure the whole thing by duplicating inventory.template.cfg to inventory.cfg and making changes, starting with the remote ssh address for the server.

Preliminary variables

First of all you must define the server fqdn. If you want to get a Let's Encrypt certificate this must be a valid DNS record pointing to your server. Port 80+443 must be open to the internet.

If you have a private server or if you use an AWS domain name like ec2-52-3-229-194.compute-1.amazonaws.com, you'll end up with a self-signed certificate. This is fine but annoying, because you have to accept this certificate manually in your browser. If you don't have a fqdn use the server IP address.

Important: You will only be able to access Nextcloud through this address.

# The domain name for your cloud instance. You'll get a Let's Encrypt certificate for this domain.
cloud_server_fqdn       = cloud.example.tld

Let's Encrypt wants your email address. Enter it here:

# Your email address (for Let's Encrypt).
ssl_cert_email              = me@example.tld

Define where you want to find all your application config and data files in the server.

# Choose a directory for all of the data for this cloud server.

cloud_base_dir          = /opt/cloud

Nextcloud variables

Define your Nextcloud admin user.

# Choose a username and password for your Nextcloud admin user.
nextcloud_admin             = 'admin'
nextcloud_passwd            = ''              # If empty the playbook will generate a random password.

Optional variables

If you want to setup the Nextcloud mail system put your mail server config here.

# Setup the Nextcloud mail server.
nextcloud_configure_mail    = false
nextcloud_mail_from         =
nextcloud_mail_smtpmode     = smtp
nextcloud_mail_smtpauthtype = LOGIN
nextcloud_mail_domain       =
nextcloud_mail_smtpname     =
nextcloud_mail_smtpsecure   = tls
nextcloud_mail_smtpauth     = 1
nextcloud_mail_smtphost     =
nextcloud_mail_smtpport     = 587
nextcloud_mail_smtpname     =
nextcloud_mail_smtppwd      =

Setup the restic backup tool.

# The restic backup tool will be installed when 'restic_repo' is not empty.
restic_repo                 = ''              # e.g. '/var/nc-backup' .
# Configure the crontab settings for restic.
backup_day                  = *
backup_hour                 = 4
backup_minute               = 0

If using rclone with backblaze, include these variables

b2_account                  = 
b2_key                      =

If you want to, you can get access to your database with Adminer. Adminer is a web frontend for your database (like phpMyAdmin).

# Set to true to enable access to your database with Adminer at https://cloud_server_fqdn/adminer. The password will be stored in {{ cloud_base_dir }}/secrets.
adminer_enabled             = false           # The password will be stored in {{ cloud_base_dir }}/secrets.

You can install Portainer, a webgui for Docker.

# Set to true to install Portainer webgui for Docker at https://cloud_server_fqdn/portainer/. 
portainer_enabled           = false
portainer_passwd            = ''      # If empty the playbook will generate a random password.

Installation

Run the Ansible playbook.

./cloud.yml

Your Nextcloud access credentials will be displayed at the end of the run.

ok: [localhost] => {
    "msg": [
        "Your Nextcloud at https://nextcloud.example.com is ready.",
        "Login with user: admin and password: <password> ",
        "Other secrets you'll find in your current directory under ./secrets "
    ]
}
....
ok: [localhost] => {
    "msg": [
        "Manage your container at https://portainer.example.com/ .",
        "Login with user: admin and password: <password> "
    ]
}
....
ok: [localhost] => {
    "msg": [
        "restic backup is configured. Keep your credentials in a safe place.",
        "RESTIC_REPOSITORY='/var/nc-backup'",
        "RESTIC_PASSWORD='<password>'"
    ]
}

If you are in a hurry you can set the inventory variables on the cli. But remember if you run the playbook again without the -e options all default values will apply and your systems is likely to be broken.

./cloud.yml -e "cloud_server_fqdn=nextcloud.example.tld"

Expert setup

If you want to do more fine tuning you may have a look at:

group_vars\all.yml for settings of directories, docker image tags and the rclone setup for restic backups.
roles\docker_container\file for php settings
roles\docker_container\file for webserver, php, turnserver and traefik settings

and

roles\nextcloud_config\defaults\main.yml for nextcloud settings

Also if you are working on a remote computer through ssh be sure to check the firewall settings in roles/prep_ufw/defaults/main.yml Only ports 22,80,443 will be opened by default, plus ports for a turnserver. Please test locally before deploying on your remote (ssh) server, you will get locked out if you use a custom port.

Remove Nextcloud

If you want to get rid of the containers run the following command.

scripts/remove_all_container.sh

or

scripts/remove_all_docker_stuff.sh

to remove all docker artifacts. That includes the database volume!

Your data files won't be deleted. You have to do this manually by executing the following.

rm -rf {{ cloud_base_dir }}
rm /usr/local/bin/dynamic_dns_check.py
rm /usr/local/bin/nextcloud_optimize.sh

License

enewbury/cloud

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