What do Ansible and Salt Stack have in common?

While both tools might be considered to have a DSL (Domain Specific Language) for their configurations, YAML is a more specific and accurate commonality in terms of the underlying data serialization language.

Both Ansible and SaltStack prominently use YAML for writing their configuration files, playbooks (Ansible), and state files (SaltStack), making it a common syntax for defining desired system states and automation tasks.

Ansible is agentless, relying on SSH for communication, whereas SaltStack typically requires agents (minions) to be running on the client machines for management.

While both platforms can be architected for high availability with multiple masters, this is an architectural capability rather than a direct commonality in their core configuration language or operating principle for every deployment.