One of the most simple, but extremely important entities, which cause problems in Salt configurations is the YAML format, which has to be consistently maintained in all Salt configurations. In this chapter, you will learn about the most common mistakes and how to avoid them.
Run a misconfigured state file against a minion:
[root@salt-master ~]# salt 'salt-minion' state.sls apache saltenv=development salt-minion: Data failed to compile: ---------- Rendering SLS apache failed, render error: while parsing a block mapping in "<unicode string>", line 6, column 4: service: ^ expected <block end>, but found '<block sequence start>' in "<unicode string>", line 8, column 5: - running ^ . . . ParserError: while parsing a block mapping in "<unicode string>", line 6, column 4: service: ^ expected <block end>, but found '<block sequence start>' in...