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Multi-tenant support for Kiwi TCMS

Project description

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Introduction

This package provides multi-tenant support for Kiwi TCMS and is a wrapper around django-tenants. You can use it to host different organizations on the same application server or host multiple product instances used by different teams. Each tenant is able to see only the information created by themselves.

Installation

IMPORTANT: multi-tenancy is backed by PostgreSQL schemas! It will not work with a different database backend.

WARNING: current tenant is decided based on the FQDN by which you are accessing Kiwi TCMS!

The following changes need to be introduced into a downstream Docker image or your Python virtualenv where the main Kiwi TCMS instance is hosted:

pip install kiwitcms-tenants

then make sure KIWI_TENANTS_DOMAIN ENV variable is specified !!! The rest of the settings are installed into tcms_settings_dir/multi_tenant.py and Kiwi TCMS will pick them up automatically!

First boot configuration

When starting your multi-tenant Kiwi TCMS instance for the first time you also need to create information about the so called public tenant. That is the default tenant on which your application runs:

./manage.py create_tenant --schema_name public
                          --name "Public tenant"
                          --paid_until 2050-12-31
                          --on_trial False
                          --owner_id 1
                          --organization "Testing department"
                          --domain-domain public.tenants.example.org
                          --domain-is_primary True

WARNING: schema_name public is special, the rest is up to you. owner_id is usually the ID of the first superuser in the database which means you must have executed createsuperuser first!

You can use create_tenant afterwards to create other tenants for various teams or projects. Non-public tenants can also be created via the web interface as well.

DNS configuration

You need wildcard DNS resolution to be configured for *.tenants.example.org!

If using AWS Route 53 create an A record with Name==*.tenants for the example.org domain and point it to the IP address of your Kiwi TCMS instance.

Once DNS has been configured you should be able to query for various domains with tools like dig and nslookup:

$ dig public.tenant.kiwitcms.org
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-12.P2.el7 <<>> public.tenant.kiwitcms.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58543
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;public.tenant.kiwitcms.org.    IN      A

;; ANSWER SECTION:
public.tenant.kiwitcms.org. 36  IN      A       100.24.231.234

;; Query time: 35 msec
;; SERVER: 10.38.5.26#53(10.38.5.26)
;; WHEN: Tue Nov 19 14:04:09 EET 2019
;; MSG SIZE  rcvd: 71


$ nslookup linux.tenant.kiwitcms.org
Server:         10.38.5.26
Address:        10.38.5.26#53

Non-authoritative answer:
Name:   linux.tenant.kiwitcms.org
Address: 100.24.231.234

All sub-domains should resolve to the same IP address!

Migrating Single-Tenant to Multi-Tenant

See Migrating Single-Tenant to Multi-Tenant section in the official django-tenants documentation! It has been contributed by the Kiwi TCMS team and that was the procedure we’ve used to migrate the previous demo website (ST) to its new MT version!

Changelog

v1.3.1 (09 Sep 2020)

  • Replace deprecated import to silence warnings with Django 3.1

v1.3 (26 Aug 2020)

  • Tested with Kiwi TCMS v8.6
  • Update django-tenants from 3.1.0 to 3.2.1
  • Don’t pin dependencies in devel.txt

v1.2.1 (24 Jul 2020)

  • Filter out AuthorizedUsersChangeForm even on errors
  • Tested with Kiwi TCMS v8.5

v1.2 (20 Jun 2020)

  • Update django-tenants from 3.0.3 to 3.1.0
  • Improvements in tests and minor updates to make linters happy
  • Tested with Kiwi TCMS v8.4

v1.1.1 (27 Apr 2020)

  • Do not ship TENANT_APPS b/c it is distributed with Kiwi TCMS v8.3

v1.1 (25 Apr 2020)

  • Bring back an improved HTML placeholder for schema_name
  • Properly validate input values for schema/domain names

v1.0.3 (24 Apr 2020)

  • Always lower case schema_name to make sure it can actually be used as a valid hostname

v1.0.2 (24 Apr 2020)

  • Update django-tenants from 3.0.1 to 3.0.3
  • Show valid schema_name pattern as help text in UI
  • Remove schema_name placeholder text because it was misleading

v1.0.1 (18 Mar 2020)

  • Slightly adjust default values for settings TENANT_APPS and MULTITENANT_RELATIVE_MEDIA_ROOT to match Kiwi TCMS and installations prior to turning this package into a plugin. This will avoid dusrupting existing deployments!

v1.0 (15 Mar 2020)

  • Turn into proper Kiwi TCMS plugin and install settings overrides under tcms_settings_dir/ (compatible with Kiwi TCMS v8.2 or later)
    • does not need MENU_ITEMS and ROOT_URLCONF override anymore
    • does not need to load tcms_tenants in INSTALLED_APPS manually
    • only need to specify KIWI_TENANTS_DOMAIN env variable!
  • Require tcms_tenants.add_tenant permission for NewTenantView
  • Reimplement NewTenantView as FormView
  • Refactor redirect_to() to class based view
  • Add tests for admin.py. Closes #5 Issue #5
  • Replace datetime.now with timezone.now for better support of installations with enabled timezone config
  • Enable pylint. Closes Issue #17
  • Enable flake8

v0.5.1 (17 Feb 2020)

  • Update django-tenants from 3.0.0 to 3.0.1. Fixes Issue #60

v0.5 (16 Jan 2020)

  • Bump django-tenants from 2.2.3 to 3.0.0
  • Tested successfully against Kiwi TCMS v7.3 with Django 3.0

v0.4.7 (11 Dec 2019)

  • Set tcms_tenants.tests.LoggedInTestCase.tenant.owner.password to “password” so it can be reused by downstream tests

v0.4.6 (11 Dec 2019)

  • New translations for Slovenian
  • Replace ugettext_lazy with gettext_lazy for Django 3.0
  • Start shipping tcms_tenants.tests to be used by other multi-tenant add-on packages
  • Confirmed working against Kiwi TCMS v7.2

v0.4.5 (24 Nov 2019)

  • Document how to configure multi-tenancy
  • Document ST to MT migration
  • Add helper method create_oss_tenant()
  • Internal updates to TENANT_APPS while testing

v0.4.4 (29 Oct 2019)

  • New translations for Russian

v0.4.3 (18 May 2019)

  • Add Tenant.organization field
  • When creating tenant set site.name to tenant.domain.domain

v0.4.0 (12 May 2019)

  • Allow overriding create tenant form URL via additional context variable named form_action_url

v0.3.0 (08 May 2019)

  • Send email when a new tenant is created
  • Add middleware which can be used to block unpaid tenants
  • Rewrite middleware without deprecated MiddlewareMixin, Refers to Issue #17
  • Add more tests

v0.2.0 (05 May 2019)

  • Remove django.contrib.contenttypes from TENANT_APPS
  • Make it easier to override NewTenantView
  • Use DateTimeField instead of DateField
  • Show first primary domain in Admin
  • Massive speed up tests
  • Pylint fixes

v0.1.10 (03 May 2019)

  • Bring back tenant_url template tag with optional schema_name parameter

v0.1.9 (03 May 2019)

  • Fix failing tests

v0.1.8 (03 May 2019)

  • Fix packaging for missing migrations directory
  • Add view which facilitates GitHub login & redirects. Callers are supposed to perform OAuth login via public tenant and then redirect to this view which will send the browser to the actual tenant! This will resolve problems with redirect_uri mismatch that we’re seeing from GitHub b/c you can only specify one redirect uri
  • pylint fixes
  • Remove unused templatetags/ directory

v0.1.6 (28 April 2019)

  • Tenant object now has an owner

v0.1.5 (24 April 2019)

  • Update django-tenants to 2.2.3
  • New translations for Slovenian
  • Don’t ship test_project/ files in wheel package

v0.1.4 (15 April 2019)

  • Update to django-tenants 2.2.0 for Django 2.2 support

v0.1.3 (10 April 2019)

  • Rename setting TCMS_TENANTS_DOMAIN to KIWI_TENANTS_DOMAIN

v0.1.2 (04 April 2019) - initial release

  • Support creating of tenants via web interface
  • Support for deleting tenants only by super-user
  • Support for authorizing other users to access the current tenant
  • Middleware which returns 403 Forbidden when non-authorized user tries to access a tenant
  • Support for overriding the tcms_tenants/new.html template to provide SLA, terms and conditions, etc.

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