function ansible_hosts () {
+
# Run ansible playbook on hosts in working topology file. Ansible scope is
# determined by tags passed as parameters to this function.
#
function installed () {
- set -exuo pipefail
-
# Check if the given utility is installed. Fail if not installed.
#
# Arguments:
# - ${1} - Utility to check.
- # Returns:
+ # Returns (implicitly):
# - 0 - If command is installed.
# - 1 - If command is not installed.
+ set -exuo pipefail
+
command -v "${1}"
-}
\ No newline at end of file
+}