where type is expecting an array. If a str is given
type: file
this will crash the agent with a message similar to the following:
put_host_command_complete(command_status:"Failed",diagnostics:{format:"JSON",payload:"{\"error_code\":5,\"script_name\":\"\",\"message\":\"undefined method `each' for \\\"file\\\":String\",\"log
There is a gap where the appspec.yml can be a valid yaml but incorrectly formatted which can cause the Ruby interpreter to crash.
An example is the permissions section:
where type is expecting an array. If a str is given
this will crash the agent with a message similar to the following: