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QUADS Architecture, Workflow and Visuals

Below are common workflows, visualizations and features of QUADS.

QUADS Architecture

This is the QUADS architecture using Flask, Python3, SQLAlchemy, Jinja, Nginx, Gunicorn and PostgreSQL.

quadsarchitecture

QUADS Software Design

Below is a GitDiagram-generated software design diagram of the QUADS codebase.

quadsdiagram

QUADS Data Structure

This is how our scheduling data, collections and data model look like within PostgreSQL.

quads-erd

QUADS Foreman Provisioning Workflow

This is the workflow behind quads/tools/move_and_rebuild.py

quadsforemanarch

QUADS Move and Rebuild Provisioning UML

This is a UML chart illustrating all the API, host, switch and foreman workflows that happen when systems and networks are built and moved.

quadsmoverebuild

Example: Automated Scheduling

quads-schedule

Example: Systems Wiki

wiki

Example: Workload Assignments

wiki

Example: Workload Assignments Readiness

We color-code progress bars and status based on total amount of completion for an entire assignment.

wiki

Example: Systems Availability Search

quads-web offers current and future availability search and filtering by hardware components like disk, model or any hardware metadata supported by the hardware metadata framework

wiki

Example: Systems Visualization Map

wiki

Example: IRC, Webhook Chat and Email Notifications

  • We can notify any Chat Platform webhook or IRC supybot plugin when new environments are released.
  • We send email notifications when new environments are defined.
  • We also send email notifications with the host list for the environment 7 days prior to activation.
  • Furthermore we send email notifications when new environments are provisioned.
QUADS: cloud08: 32 (OCP Hybrid RDS Scale) is now active, choo choo! - https://quads.example.com/assignments/#cloud08 - jdoe

Greetings Citizen,

You've been allocated a new environment!

cloud06 : 13 (OVN and OpenStack ML2/OVS)

(Details)
http://wiki.example.com/assignments/#cloud06
  • Lastly we send notifications 7, 5, 3, 1 days out from when assignments expire (or any number of machines are set to be removed during the current assignment schedule).
  • You can use the fields --cloud-owner and --cc-users to define who gets notifications.
This is a message to alert you that in 7 days
your allocated environment:

cloud08 : 29 (JBOSS Data Grid)

(Details)
http://wiki.example.com/assignments/#cloud08

will have some or all of the hosts expire.  Some or all of your
hosts will automatically be reprovisioned and returned to the
machine pool.

b01-h05-r620.example.com
b01-h06-r620.example.com
b02-h01-r620.example.com