Basic script to rotate ssh keys on remote server

bin/remove-old-ssh-keys.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# base folder for all data
+BASE_FOLDER=$(dirname "$(readlink -f "$0")")"/";
+# config folder
+CONFIG_BASE="${BASE_FOLDER}../config/";
+# previous public key
+SSH_PUBLIC_KEYS_PREVIOUS="${BASE_FOLDER}../ssh-public-keys/previous/";
+
+# load config
+if [ -f "${CONFIG_BASE}settings.ini" ]; then
+	source <(grep = "${CONFIG_BASE}settings.ini" | sed 's/ *= */=/g')
+fi
+# we must have "server_list" set and file must be in config folder
+if [ ! -f "${CONFIG_BASE}${server_list}" ]; then
+	echo "Cannot find ${server_list} file in the config folder";
+	exit
+fi
+
+# find last public in remote server and remove it
+for line in `cat "${CONFIG_BASE}${server_list}" | sed 1d`; do
+	hostname=$(echo "${line}" | cut -d "," -f 1)
+	# flags are current "M" for multi key, has other users public key in too
+	flags=$(echo "${line}" | cut -d "," -f 2)
+	echo "Remove previous key for: ${hostname}";
+	# find in master key and $admin user
+done
+
+# __END__