From 745755604c5a59851623db5571665a2df67c5cdd Mon Sep 17 00:00:00 2001 From: June <june@jsts.xyz> Date: Fri, 14 Feb 2025 21:43:44 +0100 Subject: [PATCH] add netbox role for ensuring netbox is deployed as specified The role takes over the deployment of netbox and its dependencies, while still requiring the user to provide the netbox version, db password and config as well as to set up a web server and handle stuff like creating users, etc. --- roles/netbox/README.md | 77 +++++++++++++++++++ roles/netbox/handlers/main.yaml | 24 ++++++ roles/netbox/meta/argument_specs.yaml | 12 +++ roles/netbox/meta/main.yaml | 11 +++ roles/netbox/tasks/main.yaml | 103 ++++++++++++++++++++++++++ 5 files changed, 227 insertions(+) create mode 100644 roles/netbox/README.md create mode 100644 roles/netbox/handlers/main.yaml create mode 100644 roles/netbox/meta/argument_specs.yaml create mode 100644 roles/netbox/meta/main.yaml create mode 100644 roles/netbox/tasks/main.yaml diff --git a/roles/netbox/README.md b/roles/netbox/README.md new file mode 100644 index 0000000..38b7968 --- /dev/null +++ b/roles/netbox/README.md @@ -0,0 +1,77 @@ +# `netbox` role + +A role for setting up NetBox. +It automatically pulls in all required dependencies like Redis and PostgreSQL, deploys the provided systemd services and gunicorn config and sets up a PostgreSQL database named `netbox` with an owner named `netbox` and the specified password. +However providing the [NetBox configuration](#netbox-configuration), [setting up a web server like nginx to proxy to gunicorn](#web-server-setup) and tasks like creating users, etc. you have to do yourself. + +## Supported Distributions + +Should work on Debian-based distributions. + +## Required Arguments + +- `netbox__version`: The NetBox version to deploy. +- `netbox__db_password`: The password to use for connection to the database. + This is required since the upgrade script runs as root and therefore peer authentication doesn't work. +- `netbox__config`: The NetBox config to deploy. + See [NetBox Configuration](#netbox-configuration) for more infos. + +## Optional Arguments + +None. + +## NetBox Configuration + +The NetBox configuration should include a connection to Redis as well as a connection to PostgreSQL. +Configuration for the Redis connection: + +```python +REDIS = { + "tasks": { + "HOST": "localhost", + "PORT": 6379, + "USERNAME": "", + "PASSWORD": "", + "DATABASE": 0, + "SSL": False, + }, + "caching": { + "HOST": "localhost", + "PORT": 6379, + "USERNAME": "", + "PASSWORD": "", + "DATABASE": 1, + "SSL": False, + }, +} +``` + +Configuration for the PostgreSQL connection: + +```python +DATABASE = { + "HOST": "localhost", + "NAME": "netbox", + "USER": "netbox", + "PASSWORD": "<same as netbox__db_password>", +} +``` + +Further configuration should take place. Some relevant resources can be found here: + +- Installation guide configuration docs: <https://netboxlabs.com/docs/netbox/en/stable/installation/3-netbox/#configuration> +- Configuration docs: <https://netboxlabs.com/docs/netbox/en/stable/configuration/> +- Example configuration: <https://github.com/netbox-community/netbox/blob/main/netbox/netbox/configuration_example.py> + +## Web Server Setup + +As this role just sets up gunicorn, but doesn't set up a web server, you need to do that yourself. +The relevant documentation on how to do that can be found here: + +- Web server setup docs: <https://netboxlabs.com/docs/netbox/en/stable/installation/5-http-server/> +- Example base nginx config: <https://github.com/netbox-community/netbox/blob/main/contrib/nginx.conf> + +## Links & Resources + +- The NetBox Git Repo: <https://github.com/netbox-community/netbox> +- The NetBox installation docs: <https://netboxlabs.com/docs/netbox/en/stable/installation/> diff --git a/roles/netbox/handlers/main.yaml b/roles/netbox/handlers/main.yaml new file mode 100644 index 0000000..fd7eb62 --- /dev/null +++ b/roles/netbox/handlers/main.yaml @@ -0,0 +1,24 @@ +- name: Run upgrade script + ansible.builtin.command: /opt/netbox/upgrade.sh + become: true + # When it runs, this should always report changed. + changed_when: true + +- name: Ensure netbox systemd services are set up and up-to-date + ansible.builtin.systemd_service: + daemon_reload: true + name: "{{ item }}" + enabled: true + state: restarted + become: true + loop: + - "netbox.service" + - "netbox-rq.service" + +- name: Ensure netbox housekeeping timer is set up and up-to-date + ansible.builtin.systemd_service: + daemon_reload: true + name: "netbox-housekeeping.timer" + enabled: true + state: restarted + become: true diff --git a/roles/netbox/meta/argument_specs.yaml b/roles/netbox/meta/argument_specs.yaml new file mode 100644 index 0000000..f836b43 --- /dev/null +++ b/roles/netbox/meta/argument_specs.yaml @@ -0,0 +1,12 @@ +argument_specs: + main: + options: + netbox__version: + type: str + required: true + netbox__db_password: + type: str + required: true + netbox__config: + type: str + required: true diff --git a/roles/netbox/meta/main.yaml b/roles/netbox/meta/main.yaml new file mode 100644 index 0000000..79c845d --- /dev/null +++ b/roles/netbox/meta/main.yaml @@ -0,0 +1,11 @@ +--- +dependencies: + - role: redis + - role: postgresql + vars: + postgresql__dbs: + - name: netbox + owner: netbox + postgresql__users: + - name: netbox + password: "{{ netbox__db_password }}" diff --git a/roles/netbox/tasks/main.yaml b/roles/netbox/tasks/main.yaml new file mode 100644 index 0000000..89bf4a6 --- /dev/null +++ b/roles/netbox/tasks/main.yaml @@ -0,0 +1,103 @@ +- name: Ensure all dependencies are installed + ansible.builtin.apt: + name: + - python3 + - python3-pip + - python3-venv + - python3-dev + - build-essential + - libxml2-dev + - libxslt1-dev + - libffi-dev + - libpq-dev + - libssl-dev + - zlib1g-dev + - git + become: true + +- name: Ensure NetBox source is present + ansible.builtin.git: + repo: https://github.com/netbox-community/netbox.git + dest: /opt/netbox/ + version: "{{ netbox__version }}" + become: true + notify: + - Run upgrade script + - Ensure netbox systemd services are set up and up-to-date + +- name: Ensure netbox user + block: + - name: Ensure netbox group exists + ansible.builtin.group: + name: netbox + system: true + become: true + + - name: Ensure netbox user exists + ansible.builtin.user: + name: netbox + group: netbox + password: '!' + system: true + become: true + +- name: Ensure relevant directories are owned by netbox user + ansible.builtin.file: + path: "{{ item }}" + state: directory + owner: netbox + recurse: true + become: true + loop: + - "/opt/netbox/netbox/media/" + - "/opt/netbox/netbox/reports/" + - "/opt/netbox/netbox/scripts/" + +- name: Deploy configuration.py + ansible.builtin.copy: + content: "{{ netbox__config }}" + dest: "/opt/netbox/netbox/netbox/configuration.py" + mode: "0644" + owner: root + group: root + become: true + notify: Ensure netbox systemd services are set up and up-to-date + +- name: Ensure provided gunicorn config is copied + ansible.builtin.copy: + remote_src: true + src: "/opt/netbox/contrib/gunicorn.py" + dest: "/opt/netbox/gunicorn.py" + mode: "0644" + owner: root + group: root + become: true + notify: Ensure netbox systemd services are set up and up-to-date + +- name: Ensure provided netbox systemd service files are copied + ansible.builtin.copy: + remote_src: true + src: "/opt/netbox/contrib/{{ item }}" + dest: "/etc/systemd/system/{{ item }}" + mode: "0644" + owner: root + group: root + become: true + loop: + - "netbox.service" + - "netbox-rq.service" + notify: Ensure netbox systemd services are set up and up-to-date + +- name: Ensure provided housekeeping systemd service and timer are copied + ansible.builtin.copy: + remote_src: true + src: "/opt/netbox/contrib/{{ item }}" + dest: "/etc/systemd/system/{{ item }}" + mode: "0644" + owner: root + group: root + become: true + loop: + - "netbox-housekeeping.service" + - "netbox-housekeeping.timer" + notify: Ensure netbox housekeeping timer is set up and up-to-date