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Ansible Role: Harbor

An Ansible Role that installs Harbor on Linux.

This role is in alpha stage. Issues and PRs are welcome.

Requirements

None.

Role Variables

For a complete list see defaults/main.yaml.

By default, the role uses the IP of the current host to set harbor_hostname. You can override it.

To change the install dir:

harbor_install_dir: /opt

To change default protocol:

harbor_ui_url_protocol: "http"

If you want to change the exposed ports of Harbor's NGINX from the defaults of 80 and 443, use:

harbor_exposed_http_port: 81
harbor_exposed_https_port: 444

If you are running Harbor behind a proxy, set harbor_behind_proxy: yes. This will comment the necessary lines in Harbor's Nginx to make it work as per their troubleshooting section.

To install with extras set:

harbor_extras:
    - clair
    - notary

If you already have a Redis set-up, you might want to change the default redis hostname and port of Harbor:

# change these if you have your own redis running already
harbor_redis_host: redis
harbor_redis_port: 6379

You can also pass extra arguments to the installer with harbor_installer_extra_args (a string).

You may define harbor_projects if you want projects to be automatically created once harbor is installed.

harbor_projects:
  - project_name: test
    is_public: "false"
    content_trust: "false"
    prevent_vul: "true"
    severity: "high"
    auto_scan: "true"

By default, users can self-register. If you prefer to create users automatically, you must disable self-registration and set a list of users. Those users will be created automatically. The password defaults to "HarborUser12345".

This operation is idempotent.

harbor_self_registration: "off"
harbor_users:
    - username: user1
      email: [email protected]
      realname: User Number 1
      role_name: developer
      role_id: 2
      has_admin_role: true

Dependencies

None.

Example Playbook

---
- name: Installing and configuring Harbor
  hosts: registry
  vars:
    harbor_projects:
      - project_name: myproject
        is_public: "false"
        content_trust: "false"
        prevent_vul: "true"
        severity: "high"
        auto_scan: "true"
    harbor_users:
      - username: user1
        email: [email protected]
        realname: User Number 1
        role_name: developer
        role_id: 2
        has_admin_role: true
  roles:
    - nicholasamorim.harbor

After the playbook runs, you should be able to navigate to your host on port 80/443 and see Harbor's UI. You can login with admin/Harbor12345. If you changed the exposed ports, remember to use them instead of 80/443.

Running Harbor behind your proxy

A common setup is to run Harbor behind a proxy where the proxy is responsible for SSL termination. Harbor can pretty fiddly with that as it has its own Nginx inside and things can get confusing because

a) Harbor has its own Nginx proxy, that must run as http b) However, certain lines must be commented out in harbor's nginx if you use a proxy. c) The realm URL must also be changed to what's externally visible: https.

Here's an example of the variables that have to bet set in such scenario:

harbor_hostname: "myharbor.company.com"
harbor_api_url: "https://myharbor.company.com/api"
harbor_behind_proxy: yes
# Internally, Harbor is still running on http
harbor_ui_url_protocol: "http"
harbor_customize_crt: "off"
harbor_registry_realm_protocol: "https"
# Running Harbor's nginx in different ports not to conflict with 80/443
harbor_exposed_http_port: 8798
harbor_exposed_https_port: 8799
harbor_extras:
  - clair
harbor_self_registration: "off"
# This is useful if you already have a redis container running
harbor_redis_host: redisharbor
harbor_ssl_cert: /etc/ssl/certs/cert.pem
harbor_ssl_cert_key: /etc/ssl/certs/cert.key

This will ensure that:

  • Harbor's nginx gets this line commented.
  • The registry realm url is updated correctly.

This is a bit convoluted but it's a compromise to try and not change Harbor's files/templates too much as this will incur frequent breakage. I'm open to suggestions on how to improve, though.

Managing state

For convenience, this role includes tasks to stop, start and restart the registry using docker-compose.

Here's a playbook created specifically to restart the registry:

---
- hosts: registry
  tasks:
    - name: Restarting Harbor
      include_role:
        name: harbor
        tasks_from: restart

Running the playbook above effectively restarts all components of Harbor. This takes into consideration if you are using clair and/or notary and uses their docker-compose files too.

tasks_from can be restart, start and stop.

If you are running the playbook again to ensure the list of users but you have already changed the default admin password, you can set the harbor_admin_password variable somewhere or simply pass it in the command-line with -e "harbor_admin_password=mypass".

Author Information

This role was created in 2019 by Nicholas Amorim.