Merge pull request #3 from iamshital/master

Added scripts to enable root user

Testscripts/Linux/enablePasswordLessRoot.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+#AUTHOR : SHITAL SAVEKAR <v-shisav@microsoft.com>
+#Description : Enables passwordless authentication for root user.
+#How to use : ./enablePasswordLessRoot.sh
+#In multi VM cluster. Execute this script in one VM. It will create a sshFix.tar
+#Copy this sshFix.tar to other VMs (/root) in your cluster and execute same script. It will extract previously created keys.
+#This way, all VMs will have same public and private keys in .ssh folder.
+
+rm -rf /root/.ssh
+cd /root
+keyTarFile=sshFix.tar
+if [ -e ${keyTarFile} ]; then
+	echo | ssh-keygen -N ''
+	rm -rf .ssh/*
+	tar -xvf ${keyTarFile}
+	echo "KEY_COPIED_SUCCESSFULLY"
+else
+	echo | ssh-keygen -N ''
+	cat /root/.ssh/id_rsa.pub > /root/.ssh/authorized_keys
+	echo "Host *" > /root/.ssh/config
+	echo "StrictHostKeyChecking no" >> /root/.ssh/config
+	rm -rf /root/.ssh/known_hosts
+	cd /root/ && tar -cvf sshFix.tar .ssh/*
+	echo "KEY_GENERATED_SUCCESSFULLY"
+fi

Testscripts/Linux/enableRoot.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+#AUTHOR : SHITAL SAVEKAR <v-shisav@microsoft.com>
+#Description : Enables root user and sets password. Needs to run with sudo permissions.
+#How to use : ./enableRoot.sh -password <new_root_password>
+
+while echo $1 | grep ^- > /dev/null; do
+    eval $( echo $1 | sed 's/-//g' | tr -d '\012')=$2
+    shift
+    shift
+done
+
+password=$password
+sshd_configFilePath="/etc/ssh/sshd_config"
+sshdServiceName="sshd"
+usermod --password $(echo $password | openssl passwd -1 -stdin) root
+if [ $? == 0 ]; then
+    sed -i 's/.*PermitRootLogin.*/PermitRootLogin yes/g' $sshd_configFilePath
+    if [ $? == 0 ]; then
+        echo "$sshd_configFilePath verifed for root login."
+        echo "ROOT_PASSWRD_SET"
+        service $sshdServiceName restart || systemctl restart sshd.service
+        sshdServiceStatus=$?
+        if [ $sshdServiceStatus != 0 ]; then
+                service ssh restart
+                sshdServiceStatus=$?
+        fi
+    else
+        echo "$sshd_configFilePath verification failed for root login."
+        echo "ROOT_PASSWORD_SET_SSHD_CONFIG_FAIL"
+    fi
+else
+    echo "Unable to set root password."
+    echo "ROOT_PASSWORD_NOT_SET"
+fi
+if [ $sshdServiceStatus == 0 ]; then
+    echo "SSHD_RESTART_SUCCESSFUL"
+else
+    echo "SSHD_RESTART_FAIL"
+fi
+exit 0