working..

deploy.sh

@@ -3,42 +3,87 @@
 # deploy remote config
 #     sshbackup
 
-config()
-{
-
-
-deploy()
-{
-    remoteadmin=$1
-    remotemachine=$2
-    backupuser=$3
-    echo "deployment started: $remoteadmin@$remotemachine - $backupuser"
-}
-
+backupuser="sshbackup"
+publickey="/home/david/.ssh/id_rsa.pub"
+publickey=$(cat $publickey)
 
 
 if [ $USER == "root" ]; then
-    echo "warning: there is no need to run this script with root privileges."
-    echo "warning: however, it is possible if you wish to do so anyway."
-    echo "do you want to continue as root? (y/n)"
+    echo "there is no need to run this script with root privileges."
+    echo "however, it is possible if you wish to do so anyway."
+    echo -e "do you want to continue as root [y/n]? \c"
     read answer
     if [ $answer == "y" ] || [ $answer == "Y" ]; then
-        config
-        deploy $remoteadmin $remotemachine $backupuser
+        :
     else
         exit 1
     fi
 fi
+answer=""
 
-if [ -z $1 ]; then
-    echo "error: no remote ip or hostname given."
-    echo "please state remote machine:"
-    read remotemachine
+echo -e "choose user you want to connect with [$USER]: \c"
+read answer
+if [ -z $answer ]; then
+    remoteadmin=$USER
 else
-    remotemachine=$1
+    remoteadmin=$answer
 fi
+answer=""
+
+echo -e "choose user which should be created on remote system [$backupuser]: \c"
+read answer
+if [ -z $answer ]; then
+    :
+else
+    backupuser=$answer
+fi
+answer=""
+
+while [ -z $remotemachine ]; do
+    if [ -z $1 ]; then
+        echo -e "remote machine was not provided. please choose remote ip or hostname: \c"
+        read answer
+        remotemachine=$answer
+    else
+        remotemachine=$1
+    fi
+done
+answer=""
 
 
+echo ""
 echo "remoteadmin: $remoteadmin"
 echo "backupuser: $backupuser"
 echo "remotemachine: $remotemachine"
+echo ""
+
+#connecting to remote machine and running following script
+ssh -tt $remoteadmin@$remotemachine <<EOI
+
+cat /etc/passwd | grep -e ^$backupuser &> /dev/null
+if [ \$? -eq 0 ]; then
+    echo "error: $backupuser already exists on $remotemachine"
+    echo "info: aborting mission."
+    exit 1
+else
+    echo "info: attempting to create user: $backupuser"
+    sudo useradd -m -d /home/$backupuser $backupuser
+    if [ \$? -eq 0 ]; then
+        sudo -u $backupuser mkdir /home/$backupuser/.ssh
+        sudo -u $backupuser echo $publickey >> /home/$backupuser/.ssh/authorized_keys
+        if [ \$? -eq 0 ]; then
+            echo "info: user created and public key added to authorized hosts."
+        else
+            echo "error: user created but adding the public key to authorized hosts returned a non-zero value. aborting mission."
+        fi
+    else
+        echo "error: useradd returned a non-zero value. aborting mission."
+        exit 1
+    fi
+fi
+
+exit
+EOI
+
+
+