assert

stop a host when a check command fails

The plan marks the step with * and runs nothing. Apply runs the command. A failed assert stays pending on the host, and the next apply runs it again, also when nothing else changes.

Keys

Key	Type	Default	Meaning
`command`	string	required	check command
`message`	string	required	error when the check fails

`assert.command`

string, required

Check command. It runs during apply, through sh -e as root, in /. Exit 0 passes.

`assert.message`

string, required

Error when the check fails. The host fails with it when the command exits non-zero, followed by the shell's error when the exit is 126 or 127.

Example

- name: Check that nginx answers
  assert:
    command: curl -fsS http://localhost/
    message: nginx does not answer on port 80