howto.txt

DGX-LOGIN server



1. deploy next scripts into /opt/dgx/
	manager.php
	create_user_loginserver.sh
	user_monitor.php
2. create /opt/dgx/logs folder

3. create cron runner for manager.php with a next content
	cat /etc/cron.d/dgx-manager
	*/5 * * * * root [ -x /opt/dgx/manager.php ] && /opt/dgx/manager.php 2>&1 >> /opt/dgx/logs/manager.log

4. create cron runner for user_monitor.php
	cat /etc/cron.d/dgx-user-monitor
	*/5 * * * * root sleep 30 && [ -x /opt/dgx/user_monitor.php ] && /opt/dgx/user_monitor.php 2>&1 >> /opt/dgx/logs/user_monitor.log




DGX1 server

1. deploy next script to /home/runner/bin/
	create_user_dgx.sh
	user_monitor.sh

2. create cron runner for user_monitor.sh
	cat /etc/cron.d/dgx-request-preparator
	*/5 * * * * root if [ -x /home/runner/bin/user_monitor.sh ]; then /home/runner/bin/user_monitor.sh 2>&1 >>/home/runner/logs/user_monitor.log; fi







Operation which is done for creating user and all required structures
How to create new user on login server
commands with '#DGX>' prefix should be executed on DGX with in root shell


export USER_NAME=new_user_name
adduser -q ${USER_NAME}

chmod 700 /home/${USER_NAME}
mkdir -p /home/${USER_NAME}/dgx-data
mkdir -p /home/${USER_NAME}/.ssh
chmod 700 /home/${USER_NAME}/.ssh
ssh-keygen -f /home/${USER_NAME}/.ssh/id_rsa
chown -R ${USER_NAME}.${USER_NAME} /home/${USER_NAME}/.ssh
scp /home/${USER_NAME}/.ssh/id_rsa.pub runner@dgx1-host:~/keys/${USER_NAME}.pub
echo "dgx1-host:/home/runner/shared/${USER_NAME} /home/${USER_NAME}/dgx-data nfs4" >> /etc/fstab

#DGX> export IP_ADDRESS_OF_NFS_SHARE=192.168.0.1
#DGX> export RUNNER_USER_ID=1001
#DGX> export USER_NAME=new_user_name
#DGX> chown root.root /home/runner/keys/${USER_NAME}.pub
#DGX> chmod 600 /home/runner/keys/${USER_NAME}.pub
#DGX> mkdir -p /home/runner/shared/${USER_NAME} 
#DGX> echo "/home/runner/shared/${USER_NAME}      ${IP_ADDRESS_OF_NFS_SHARE}(rw,sync,no_subtree_check,all_squash,anonuid=${RUNNER_USER_ID},anongid=${RUNNER_USER_ID})" >> /etc/exports
#DGX> exportfs -a
#DGX> systemctl restart nfs-kernel-server

mount -a