Install netbox in one go

install-netbox.sh

#!/bin/bash
# install:
# NETBOX_FQDN=netbox.example.com bash -c "$(curl -Lso- https://git.io/fhp1D)"
export DEBIAN_FRONTEND=noninteractive
systemctl restart systemd-timesyncd
ipv6="${ipv6:-$( wget -qO- -t1 -T2 ipv6.icanhazip.com)}"
ipv4="${ipv4:-$( wget -qO- -t1 -T2 ipv4.icanhazip.com)}"
ipv4_slug="$(echo $ipv4 | sed 's/\./-/g').nip.io"
random_dbpass=`date +%s | sha256sum | base64 | head -c 32`
random_nbpass=`date +%s | sha256sum | base64 | head -c 32`
NETBOX_POSTGRESS_PASS="${NETBOX_POSTGRESS_PASS:-$random_dbpass}"
NETBOX_FQDN="${NETBOX_FQDN:-$ipv4_slug}" 
NETBOX_ADMIN_PASS="${NETBOX_ADMIN_PASS:-$random_nbpass}" 
set -e -u -x
apt update
apt -yq upgrade
# dpkg --configure -a
# Prevent auto starting service
systemctl mask nginx

apt -yq install postgresql postgresql-contrib libpq-dev python3 python3-pip python3-dev python3-setuptools python3-wheel build-essential libxml2-dev libxslt1-dev libffi-dev graphviz libpq-dev libssl-dev zlib1g-dev jq redis-server nginx

NETBOX_TARGZ=$(curl -s https://api.github.com/repos/digitalocean/netbox/releases/latest | jq --raw-output '.tarball_url')
NETBOX_TAG=$(curl -s https://api.github.com/repos/digitalocean/netbox/releases/latest | jq --raw-output '.tag_name')

groupadd netbox || true
useradd -r -M -g netbox -g www-data netbox|| true

su -s /bin/sh postgres -c "cd && psql << EOF
\conninfo
CREATE DATABASE netbox;
CREATE USER netbox WITH PASSWORD '$NETBOX_POSTGRESS_PASS';
GRANT ALL PRIVILEGES ON DATABASE netbox TO netbox;
EOF"

wget -O /opt/netbox-$NETBOX_TAG.tar.gz $NETBOX_TARGZ
mkdir -p /opt/netbox-$NETBOX_TAG
tar -xzf /opt/netbox-$NETBOX_TAG.tar.gz -C /opt/netbox-$NETBOX_TAG --strip 1
chown -R netbox:www-data /opt/netbox-$NETBOX_TAG
ln -sf /opt/netbox-$NETBOX_TAG/ /opt/netbox

pushd /opt/netbox/
pip3 install napalm django-rq gunicorn
pip3 install -r requirements.txt
# cp -n netbox/netbox/configuration.example.py netbox/netbox/configuration.py
# pushd /opt/netbox/netbox
# sed -i "s/SECRET_KEY = ''/SECRET_KEY = '$(python3 /opt/netbox/netbox/generate_secret_key.py)'/g" netbox/configuration.py
# (if [[ "$ipv4" != "" ]]; then echo ,"'$ipv4'"; fi)$(if [[ "$ipv6" != "" ]]; then echo ,"'$ipv6'"; fi)
cat <<EOF > /opt/netbox/netbox/netbox/configuration.py
#########################
#                       #
#   Required settings   #
#                       #
#########################

# This is a list of valid fully-qualified domain names (FQDNs) for the NetBox server. NetBox will not permit write
# access to the server via any other hostnames. The first FQDN in the list will be treated as the preferred name.
#
# Example: ALLOWED_HOSTS = ['netbox.example.com', 'netbox.internal.local']
ALLOWED_HOSTS = ['127.0.0.1','localhost','$NETBOX_FQDN','$ipv4_slug']

# PostgreSQL database configuration.
DATABASE = {
    'NAME': 'netbox',         # Database name
    'USER': 'netbox',               # PostgreSQL username
    'PASSWORD': '$NETBOX_POSTGRESS_PASS',           # PostgreSQL password
    'HOST': 'localhost',      # Database server
    'PORT': '',               # Database port (leave blank for default)
}

# This key is used for secure generation of random numbers and strings. It must never be exposed outside of this file.
# For optimal security, SECRET_KEY should be at least 50 characters in length and contain a mix of letters, numbers, and
# symbols. NetBox will not run without this defined. For more information, see
# https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-SECRET_KEY
SECRET_KEY = '$(python3 /opt/netbox/netbox/generate_secret_key.py)'


#########################
#                       #
#   Optional settings   #
#                       #
#########################

# Specify one or more name and email address tuples representing NetBox administrators. These people will be notified of
# application errors (assuming correct email settings are provided).
ADMINS = [
    # ['John Doe', 'jdoe@example.com'],
]

# Optionally display a persistent banner at the top and/or bottom of every page. HTML is allowed. To display the same
# content in both banners, define BANNER_TOP and set BANNER_BOTTOM = BANNER_TOP.
BANNER_TOP = ''
BANNER_BOTTOM = ''

# Text to include on the login page above the login form. HTML is allowed.
BANNER_LOGIN = '¯\_(ツ)_/¯'

# Base URL path if accessing NetBox within a directory. For example, if installed at http://example.com/netbox/, set:
# BASE_PATH = 'netbox/'
BASE_PATH = ''

# Maximum number of days to retain logged changes. Set to 0 to retain changes indefinitely. (Default: 90)
CHANGELOG_RETENTION = 90

# API Cross-Origin Resource Sharing (CORS) settings. If CORS_ORIGIN_ALLOW_ALL is set to True, all origins will be
# allowed. Otherwise, define a list of allowed origins using either CORS_ORIGIN_WHITELIST or
# CORS_ORIGIN_REGEX_WHITELIST. For more information, see https://github.com/ottoyiu/django-cors-headers
CORS_ORIGIN_ALLOW_ALL = False
CORS_ORIGIN_WHITELIST = [
    # 'hostname.example.com',
]
CORS_ORIGIN_REGEX_WHITELIST = [
    # r'^(https?://)?(\w+\.)?example\.com$',
]

# Set to True to enable server debugging. WARNING: Debugging introduces a substantial performance penalty and may reveal
# sensitive information about your installation. Only enable debugging while performing testing. Never enable debugging
# on a production system.
DEBUG = False

# Email settings
EMAIL = {
    'SERVER': 'localhost',
    'PORT': 25,
    'USERNAME': '',
    'PASSWORD': '',
    'TIMEOUT': 10,  # seconds
    'FROM_EMAIL': '',
}

# Enforcement of unique IP space can be toggled on a per-VRF basis. To enforce unique IP space within the global table
# (all prefixes and IP addresses not assigned to a VRF), set ENFORCE_GLOBAL_UNIQUE to True.
ENFORCE_GLOBAL_UNIQUE = False

# Enable custom logging. Please see the Django documentation for detailed guidance on configuring custom logs:
#   https://docs.djangoproject.com/en/1.11/topics/logging/
LOGGING = {}

# Setting this to True will permit only authenticated users to access any part of NetBox. By default, anonymous users
# are permitted to access most data in NetBox (excluding secrets) but not make any changes.
LOGIN_REQUIRED = True

# The length of time (in seconds) for which a user will remain logged into the web UI before being prompted to
# re-authenticate. (Default: 1209600 [14 days])
LOGIN_TIMEOUT = None

# Setting this to True will display a "maintenance mode" banner at the top of every page.
MAINTENANCE_MODE = False

# An API consumer can request an arbitrary number of objects =by appending the "limit" parameter to the URL (e.g.
# "?limit=1000"). This setting defines the maximum limit. Setting it to 0 or None will allow an API consumer to request
# all objects by specifying "?limit=0".
MAX_PAGE_SIZE = 1000

# The file path where uploaded media such as image attachments are stored. A trailing slash is not needed. Note that
# the default value of this setting is derived from the installed location.
# MEDIA_ROOT = '/opt/netbox/netbox/media'

# Credentials that NetBox will uses to authenticate to devices when connecting via NAPALM.
NAPALM_USERNAME = ''
NAPALM_PASSWORD = ''

# NAPALM timeout (in seconds). (Default: 30)
NAPALM_TIMEOUT = 30

# NAPALM optional arguments (see http://napalm.readthedocs.io/en/latest/support/#optional-arguments). Arguments must
# be provided as a dictionary.
NAPALM_ARGS = {}

# Determine how many objects to display per page within a list. (Default: 50)
PAGINATE_COUNT = 50

# When determining the primary IP address for a device, IPv6 is preferred over IPv4 by default. Set this to True to
# prefer IPv4 instead.
PREFER_IPV4 = False

# Redis database settings (optional). A Redis database is required only if the webhooks backend is enabled.
REDIS = {
    'HOST': 'localhost',
    'PORT': 6379,
    'PASSWORD': '',
    'DATABASE': 0,
    'DEFAULT_TIMEOUT': 300,
}

# The file path where custom reports will be stored. A trailing slash is not needed. Note that the default value of
# this setting is derived from the installed location.
# REPORTS_ROOT = '/opt/netbox/netbox/reports'

# By default, NetBox will store session data in the database. Alternatively, a file path can be specified here to use
# local file storage instead. (This can be useful for enabling authentication on a standby instance with read-only
# database access.) Note that the user as which NetBox runs must have read and write permissions to this path.
SESSION_FILE_PATH = None

# Time zone (default: UTC)
TIME_ZONE = 'UTC'

# The webhooks backend is disabled by default. Set this to True to enable it. Note that this requires a Redis
# database be configured and accessible by NetBox.
WEBHOOKS_ENABLED = True

# Date/time formatting. See the following link for supported formats:
# https://docs.djangoproject.com/en/dev/ref/templates/builtins/#date
DATE_FORMAT = 'N j, Y'
SHORT_DATE_FORMAT = 'Y-m-d'
TIME_FORMAT = 'g:i a'
SHORT_TIME_FORMAT = 'H:i:s'
DATETIME_FORMAT = 'N j, Y g:i a'
SHORT_DATETIME_FORMAT = 'Y-m-d H:i'

EOF

python3 /opt/netbox/netbox/manage.py migrate

python3 /opt/netbox/netbox/manage.py collectstatic --no-input
python3 /opt/netbox/netbox/manage.py loaddata initial_data
# python3 /opt/netbox/netbox/manage.py runserver 0.0.0.0:8000 --insecure

echo "from django.contrib.auth import get_user_model; User = get_user_model(); User.objects.create_superuser('admin', 'admin@example.com', '$NETBOX_ADMIN_PASS')" | python3 /opt/netbox/netbox/manage.py shell

cat <<EOF > /etc/nginx/sites-available/netbox
server {
  listen 80;
  listen [::]:80;

  server_name $NETBOX_FQDN;

  client_max_body_size 25m;

  location /static/ {
    alias /opt/netbox/netbox/static/;
  }

  location / {
    proxy_pass http://unix:/run/gunicorn.socket;
    proxy_set_header X-Forwarded-Host \$server_name;
    proxy_set_header X-Real-IP \$remote_addr;
    proxy_set_header X-Forwarded-Proto \$scheme;
    add_header P3P 'CP="ALL DSP COR PSAa PSDa OUR NOR ONL UNI COM NAV"';
  }
  location /.well-known/acme-challenge/ {
    alias /var/www/le_root/.well-known/acme-challenge/;
  }
}

server {
  #------- Start SSL config with http2 support ----#
  listen 443 ssl http2;
  listen [::]:443 ssl http2;
  server_name $NETBOX_FQDN;
  ssl_certificate /etc/nginx/certs/$NETBOX_FQDN.cert;
  ssl_certificate_key /etc/nginx/certs/$NETBOX_FQDN.key;
  ssl_session_timeout 30m;
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS;
  ssl_session_cache shared:SSL:10m;
  ssl_dhparam /etc/nginx/certs/dhparams.pem;
  ssl_prefer_server_ciphers on;

  ## Improves TTFB by using a smaller SSL buffer than the nginx default
  ssl_buffer_size 8k;

  ## Send header to tell the browser to prefer https to http traffic
  add_header Strict-Transport-Security max-age=3600;

  ## SSL logs ##
  access_log /var/log/nginx/ssl_access.log;
  error_log /var/log/nginx/ssl_error.log;
  #-------- END SSL config -------##

  # Add rest of your config below like document path and more ##
  client_max_body_size 25m;

  location /static/ {
    alias /opt/netbox/netbox/static/;
  }

  location / {
    proxy_pass http://unix:/run/gunicorn.socket;
    proxy_set_header Host \$host;
    proxy_set_header X-Forwarded-Host \$server_name;
    proxy_set_header X-Real-IP \$remote_addr;
    proxy_set_header X-Forwarded-Proto \$scheme;
    add_header P3P 'CP="ALL DSP COR PSAa PSDa OUR NOR ONL UNI COM NAV"';
  }
}

EOF

pushd /etc/nginx/sites-enabled/
rm -rf default
ln -sf /etc/nginx/sites-available/netbox
popd

cat << 'EOF' > /etc/systemd/system/gunicorn.service
[Unit]
Description=gunicorn daemon
Requires=gunicorn.socket
After=network.target

[Service]
PIDFile=/run/gunicorn/pid
User=netbox
Group=www-data
RuntimeDirectory=gunicorn
WorkingDirectory=/opt/netbox/netbox/
ExecStart=/usr/local/bin/gunicorn --pid /run/gunicorn/pid   \
  --bind unix:/run/gunicorn.socket \
  --pythonpath /opt/netbox/netbox \
  --workers 2 \
  --user netbox netbox.wsgi
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s TERM $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target
EOF

cat <<EOF > /etc/systemd/system/gunicorn.socket
[Unit]
Description=gunicorn socket
PartOf=gunicorn.service

[Socket]
ListenStream=/run/gunicorn.socket
SocketUser=netbox
SocketGroup=www-data
Writable=true

[Install]
WantedBy=sockets.target
EOF

cat <<EOF > /etc/tmpfiles.d/gunicorn.conf
#Type Path          Mode User   Group    Age Argument
d     /run/gunicorn 2775 netbox www-data -   -
EOF

cat <<EOF > /etc/systemd/system/netbox-rqworker.service
[Unit]
Description=netbox-rqworker daemon
After=network.target 

[Service]
User=www-data
Group=www-data
RuntimeDirectory=rqworker
WorkingDirectory=/opt/netbox/netbox/
ExecStart=/usr/bin/python3 /opt/netbox/netbox/manage.py rqworker

[Install]
WantedBy=multi-user.target

EOF
mkdir -p /var/www/le_root/.well-known/acme-challenge
chown -R root:www-data /var/www/le_root

# Make self signed cert.
mkdir -p /etc/nginx/certs/
dd if=/dev/urandom of=~/.rnd bs=256 count=1
openssl dhparam -out /etc/nginx/certs/dhparams.pem -dsaparam 4096
openssl req \
    -new \
    -newkey ec \
    -pkeyopt ec_paramgen_curve:prime256v1 \
    -days 18250 \
    -nodes \
    -x509 \
    -subj "/C=BE/ST=D/L=V/O=TM/CN=$NETBOX_FQDN" \
    -keyout /etc/nginx/certs/$NETBOX_FQDN.key \
    -out /etc/nginx/certs/$NETBOX_FQDN.cert

systemctl daemon-reload

ufw allow http

systemctl enable gunicorn.socket
systemctl enable --now gunicorn.service

systemctl enable --now netbox-rqworker.service
systemctl unmask nginx
systemctl enable --now nginx

# Install acme.sh
curl https://get.acme.sh | sh

cat <<EOF > /root/netbox_admin.txt
Domain:          https://$NETBOX_FQDN
Admin login:     admin
Admin password:  $NETBOX_ADMIN_PASS
Admin api token: $(echo "print(Token.objects.create(user_id=1).key)" | python3 /opt/netbox/netbox/manage.py nbshell 2>&1 | gawk " />>>\s\w{40}/ {print \$2} ")

To enable the green padlock generate a letsencrypt cert. Append --test to try it first
acme.sh --issue --nginx -d $NETBOX_FQDN --fullchain-file /etc/nginx/certs/$NETBOX_FQDN.cert --key-file /etc/nginx/certs/$NETBOX_FQDN.key  --reloadcmd "systemctl reload nginx" --test

EOF