Chapter 7. Troubleshooting Heat
In the previous chapters, we talked about how to set up and run OpenStack Heat in detail. We tried to cover almost every aspect of Heat. This included the basic architecture of Heat, the main components of Heat, which build up the Orchestration service for OpenStack, Heat message flow, and the command-line arguments accepted by the Heat CLI. The Heat template formats and structures supported by Heat were also discussed. Finally, we explained the message flow for Heat.
In this chapter, we will focus on troubleshooting the issues encountered with Heat. The issues discussed in this chapter are:
- VM instances cannot connect to the external network or the Internet
- Error received during installation: Unable to write random state
- Timeout error received while running
jeos_createduring customization - A template running with incorrect parameters cannot be deleted
- Error: Internal error process exited while connecting to the monitor
- It takes too long to create a JeOS...
