Add -g (go) option, add force new key creation, test script add

Remove and Rotate script have -g (go) flag for actual run.
Remove has text updates for removed key info
Rotate force only forces rotation, but will not create new key unless -c (force create) is set
Test script added for testing connections

bin/remove-old-ssh-keys.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+# Remove previous keys
+
 # base folder for all data
 BASE_FOLDER=$(dirname "$(readlink -f "$0")")"/";
 # config folder
@@ -11,10 +13,11 @@ ADMIN_USERS=(admin ubuntu ec2-user)
 
 DRY_RUN=0;
 FORCE=0;
+GO=0;
 HOST_ONLY="";
 USER_ONLY="";
 #
-while getopts ":h:u:nf" opt; do
+while getopts ":h:u:nfg" opt; do
 	case "${opt}" in
 		h|hostname)
 			HOST_ONLY="${OPTARG}";
@@ -28,12 +31,16 @@ while getopts ":h:u:nf" opt; do
 		f|force)
 			FORCE=1;
 			;;
+		g|go)
+			GO=1;
+			;;
 		\?)
 			echo -e "\n Option does not exist: ${OPTARG}\n";
 			echo "-h override single host name";
 			echo "-u override user name for a host";
 			echo "-f force key change";
 			echo "-n dry run";
+			echo "-g flag for actual change call";
 			echo ""
 			exit 1;
 			;;
@@ -54,8 +61,16 @@ if [ ! -f "${CONFIG_BASE}${server_list}" ]; then
 	echo "Cannot find ${server_list} file in the config folder";
 	exit
 fi
+# abort if go not set
+if [ ${GO} -eq 0 ] && [ ${DRY_RUN} -eq 1 ]; then
+	GO=1;
+elif [ ${GO} -eq 0 ]; then
+	echo "No -g (go) parameter set. aborting. For testing set -n for dry run"
+	exit;
+fi
 
 # default ssh command
+# -t is needed for systens when "Defaults    requiretty" is set
 SSH="ssh -a -x";
 
 remove_ssh_key() {
@@ -121,7 +136,8 @@ for line in `cat "${CONFIG_BASE}${server_list}" | sed 1d`; do
 
 	# previous public key does not exist, skip
 	if [ ! -f "${SSH_PUBLIC_KEYS_PREVIOUS}${SSH_KEY_PUB_FILE}" ]; then
-		echo "[!] Missing previous public key file ${SSH_KEY_PUB_FILE} for ${username}@${hostname}";
+		echo "[!] No previous public key file ${SSH_KEY_PUB_FILE} for ${username}@${hostname}";
+		echo "[_] ............... SKIP";
 		continue;
 	fi