fix: *now really* allow this script to be run from any directory

inventory/scripts/ansible-all-hosts.sh

@@ -7,8 +7,8 @@
 #     ./inventory/scripts/ansible-all-hosts.sh self-check
 #
 
-# set inventory directory path
-inventory=$(dirname "$(readlink -f "$0")")/../../inventory
+# set playbook root path
+root=$(dirname "$(readlink -f "$0")")/../..
 
 # set default tags or get from first argument if any
 tags="${1:-setup-all,start}"
@@ -17,7 +17,7 @@ tags="${1:-setup-all,start}"
 declare -A pws
 
 # capture passwords for all hosts
-for host in "$inventory"/*.yml; do
+for host in "$root"/inventory/*.yml; do
     read -rp "sudo password for $(basename "$host"): " -s pw
     pws[$host]="$pw"
     echo
@@ -25,7 +25,7 @@ done
 
 # run ansible on all captured passwords/hosts
 for host in "${!pws[@]}"; do
-    ansible-playbook setup.yml \
+    ansible-playbook "$root"/setup.yml \
         --inventory-file "$host" \
         --extra-vars "ansible_become_pass=${pws[$host]}" \
         --tags="$tags"