Architecture
In this section, we will see the OpenStack architecture using Kolla. The following figure shows a highly available (HA) OpenStack multimode setup done by Kolla.
The infrastructure engineering here means the code or application written for infrastructure management. The code is submitted to Gerrit for review and then the CI system reviews and checks for correctness of the code. Once the code is approved by CI, the CD system feeds the output of build, that is the OpenStack containers that are based on Kolla, into a local registry.
After this, the Ansible contacts Docker and launches our OpenStack multinode environment with HA: