In this chapter, we will build highly available OpenStack services such as compute (Nova), image (Glance), object storage (Swift), and dashboard (Horizon) services. In the previous chapters, we successfully built high availability HAproxy load balancers, servers, and all other basic OpenStack services. From the knowledge gained from the preceding chapters, we will systematically implement the core services of OpenStack in a systematic manner. In this chapter, we will also learn the load balancing of HTTP REST APIS.
We are going to cover the following major topics in this chapter: