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0_create_cluster.cmd

@@ -0,0 +1,103 @@
+@echo off
+
+rem *************** VARIABLES ***************
+rem *** Docker subnet for the cluster (admin box IP is %SUBNET%.254) ***
+	set CLUSTERNET=clusternet
+	set SUBNET=172.16.0
+	set NETMASK=16
+
+rem *** Local folder to store /home of all the containers ***
+	set HOMES=clusterhomes
+	if not exist %HOMES% (mkdir %HOMES%)
+	set LOCALSHARE=%~dp0%HOMES%
+
+
+rem *** cleaning up previous stuff ***
+rem 	docker rm --force $(docker ps -a -q)
+	docker network rm clusternet
+
+
+rem *** CREATEING NEW DOCKER SUBNET "clusternet" FOR THE CLUSTER ***
+	docker network create --subnet=%SUBNET%.0/%NETMASK% %CLUSTERNET%
+
+
+
+rem *************** CREATING ADMIN NODE IMAGE ***************
+	cd "admin_node"
+	docker build . -t admin_node
+	cd ..
+
+rem *** admin box is hooked up to :99 local VNC display ***
+	docker run -ti -d -p 5999:5901 --mount src=%LOCALSHARE%,target=/home,type=bind --net %CLUSTERNET% --ip %SUBNET%.254 --name admin --hostname admin admin_node
+
+
+
+rem *************** CREATING CLIENT NODES ***************
+	cd "client_node"
+	docker build . -t client_node
+	cd ..
+
+rem *** READING LIST OF USERS AND PASSWORDS ***
+	set USERLIST="userlist.txt"
+	set /a n=0
+	set /a vncport=5900
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1,2 usebackq delims=. " %%a in (%USERLIST%) do (
+
+		set /a n=n+1
+
+	rem *** local VNC port to hook up the client to ***
+		set /a vncport=5900+n
+
+		set node=%%a
+		set passwd=%%b
+
+	rem *** username,  UID:GID on all clients ***
+		set user=!node!
+		set /a uid=1000+!n!
+		set /a gid=1000+!n!
+
+		set /a IP=100+!n!
+		echo starting node: !node!, IP=172.16.0.!IP!, user !user!, UID !uid!, GID !gid!, password !passwd!, vncport !vncport!
+
+		docker run -ti -d -p !vncport!:5901 --mount src=!LOCALSHARE!,target=/home,type=bind --net !CLUSTERNET! --ip !SUBNET!.!IP! --name !node! --hostname !node! client_node
+
+
+	rem *** ADD USER and CHANGE PASSWORDS ***
+		docker exec -ti !node! groupadd -g !gid! !user!
+
+	rem *** careful here (delete existing home folder? -- disable next line if not)***
+		docker exec -ti !node! rm -fr /home/!user!
+
+		docker exec -ti !node! mkdir -p /home/!user!
+
+		docker exec -ti !node! useradd -u !uid! -g !gid! -d /home/!user! -s /bin/bash !user!
+		docker exec -ti !node! chown -R !user!:!user! /home/!user!/
+		docker exec -ti !node! chmod o-r,o-w,o-x /home/!user!/
+
+		docker exec -ti -u !user! !node! mkdir -p /home/!user!/.vnc
+		docker exec -ti -u !user! !node! mkdir -p /home/!user!/Desktop
+		docker exec -ti -u !user! !node! cp /opt/seamonkey/Seamonkey.desktop /home/!user!/Desktop/
+
+		docker exec -ti -u !user! !node! /bin/bash -c "echo !passwd! | /opt/TurboVNC/bin/vncpasswd -f > /home/!user!/.vnc/passwd"
+		docker exec -ti -u !user! !node! chmod 600 /home/!user!/.vnc/passwd
+
+		docker exec -ti !node! /bin/bash -c "echo !user!:!passwd! | chpasswd"
+
+
+	rem *** sudo for user ? ***
+		docker exec -ti !node! usermod -aG sudo !user!
+
+	rem *** start user's VNC server ***
+		docker exec -u !user! !node! bash -c "/bin/startvnc"
+
+	rem *** SSHD for inside cluster comms only (for root from admin container) ***
+		docker exec !node! bash -c "service ssh start"
+
+  	rem *** add client to PDSH list and hosts file on admin node ***
+		docker exec -ti admin bash -c "echo !node! >> /etc/pdsh/machines"
+  		docker exec -ti admin bash -c "echo %SUBNET%.!IP! !node! >> /etc/hosts"
+)
+
+endlocal

1_stop_the_cluster.cmd

@@ -0,0 +1,20 @@
+@echo off
+rem *** stop all cluster containers without destroying them ***
+
+	set USERLIST="userlist.txt"
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1 usebackq delims=. " %%a in (%USERLIST%) do (
+
+	set node=%%a
+	set user=!node!
+	docker exec -ti -u !user! !node! /opt/TurboVNC/bin/vncserver -kill :1
+	docker stop !node!
+
+	)
+
+	docker stop admin
+
+	docker ps -a
+
+pause

2_re-start_the_cluster.cmd

@@ -0,0 +1,22 @@
+@echo off
+
+	set USERLIST="userlist.txt"
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1 usebackq delims=. " %%a in (%USERLIST%) do (
+
+	set node=%%a
+	set user=!node!
+
+	docker start !node!
+	docker exec -u !user! !node! bash -c "/bin/startvnc"
+	docker exec !node! bash -c "service ssh start"
+
+	)
+
+	docker start admin
+	docker ps -a
+
+
+pause
+exit

3_pause_cluster.cmd

@@ -0,0 +1,20 @@
+@echo off
+
+	set USERLIST="userlist.txt"
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1 usebackq delims=. " %%a in (%USERLIST%) do (
+
+	set node=%%a
+	set user=!node!
+
+	docker pause !node!
+
+	)
+
+	docker pause admin
+	docker ps -a
+
+
+pause
+exit

4_unpause_cluster.cmd

@@ -0,0 +1,20 @@
+@echo off
+
+	set USERLIST="userlist.txt"
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1 usebackq delims=. " %%a in (%USERLIST%) do (
+
+	set node=%%a
+	set user=!node!
+
+	docker unpause !node!
+
+	)
+
+	docker unpause admin
+	docker ps -a
+
+
+pause
+exit

5_destroy_cluster.cmd

@@ -0,0 +1,20 @@
+@echo off
+
+	set USERLIST="userlist.txt"
+	setlocal ENABLEDELAYEDEXPANSION
+
+	FOR /F "tokens=1 usebackq delims=. " %%a in (%USERLIST%) do (
+
+	set node=%%a
+	set user=!node!
+
+	docker rm -f !node!
+
+	)
+
+rem	docker rm -f admin
+	docker ps -a
+
+
+pause
+exit

admin_node/Dockerfile

@@ -0,0 +1,60 @@
+FROM ubuntu
+
+ARG user=root
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update \
+ && DEBIAN_FRONTEND=noninteractive apt-get install pdsh net-tools xfce4 wget build-essential cmake nano mc xfce4-terminal xterm bzip2 tar sudo git emacs openssh-server -y
+RUN wget https://kumisystems.dl.sourceforge.net/project/turbovnc/3.0/turbovnc_3.0_amd64.deb
+RUN dpkg -i turbovnc_3.0_amd64.deb
+
+RUN rm -fr /usr/bin/xfce4-screensaver
+RUN touch /usr/bin/xfce4-screensaver
+RUN chmod +x /usr/bin/xfce4-screensaver
+
+# pdsh stuff
+RUN mkdir -p /etc/pdsh
+RUN echo "export PDSH_RCMD_TYPE='ssh'">> /etc/bash.bashrc
+RUN echo "export WCOLL=/etc/pdsh/machines" >> /etc/bash.bashrc
+
+# ssh stuff for pdsh
+RUN mkdir -p /root/.ssh
+COPY id_rsa.pub /root/.ssh/
+COPY id_rsa /root/.ssh/
+RUN chmod 700 /root/.ssh
+RUN chmod 600 /root/.ssh/id_rsa
+RUN chmod 640 /root/.ssh/id_rsa.pub
+RUN cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
+RUN chmod 600 /root/.ssh/authorized_keys
+RUN echo "StrictHostKeyChecking no" >> /root/.ssh/config
+RUN chmod 600 /root/.ssh/config
+
+# let's include seamonkey browser
+RUN wget -c https://archive.mozilla.org/pub/seamonkey/releases/2.53.12/linux-x86_64/en-GB/seamonkey-2.53.12.en-GB.linux-x86_64.tar.bz2 -O /opt/seamonkey.tar.bz2
+WORKDIR "/opt/"
+RUN tar -xf seamonkey.tar.bz2
+RUN rm -f /opt/seamonkey.tar.bz2
+WORKDIR "/"
+RUN mkdir -p /home/$user/Desktop
+RUN echo "[Desktop Entry]\n \
+		Version=1.0\n \
+		Type=Application\n \
+		Name=Seamonkey\n \
+		Comment=Web Browser\n \
+		Exec=/opt/seamonkey/seamonkey\n \
+		Icon=web-browser\n \
+		Terminal=false" > /home/$user/Desktop/Seamonkey.desktop
+RUN chmod +x /home/$user/Desktop/Seamonkey.desktop 
+
+# add vnc server easy startup
+RUN echo "service ssh start" > /bin/startvnc
+RUN echo "/opt/TurboVNC/bin/vncserver -fg :1'" > /bin/startvnc
+RUN cat /bin/startvnc
+RUN chmod +x /bin/startvnc
+
+EXPOSE 5901
+EXPOSE 22
+
+# startup exe:
+CMD /bin/bash
+

admin_node/id_rsa

@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
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+NhAAAAAwEAAQAAAYEA53uZv9Snd1XeoUQcPqoL0+f/N/l7qHytbuTZNWOLS1unw7+nwE7L
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+/m6VdaQSSu4JU0DQAAAA5hYTMwMkBFTlZZeDM2MAECAw==
+-----END OPENSSH PRIVATE KEY-----

admin_node/id_rsa.pub

@@ -0,0 +1 @@
+ssh-rsa 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 aa302@ENVYx360

client_node/Dockerfile

@@ -0,0 +1,52 @@
+FROM ubuntu
+
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update \
+ && DEBIAN_FRONTEND=noninteractive apt-get install pdsh net-tools xfce4 wget build-essential cmake nano mc xfce4-terminal xterm bzip2 tar sudo git emacs openssh-server -y
+RUN wget https://kumisystems.dl.sourceforge.net/project/turbovnc/3.0/turbovnc_3.0_amd64.deb
+RUN dpkg -i turbovnc_3.0_amd64.deb
+
+RUN rm -fr /usr/bin/xfce4-screensaver
+RUN touch /usr/bin/xfce4-screensaver
+RUN chmod +x /usr/bin/xfce4-screensaver
+
+# ssh stuff for root pdsh access from admin container
+RUN mkdir -p /root/.ssh
+COPY id_rsa.pub /root/.ssh/authorized_keys
+RUN chmod 700 /root/.ssh
+RUN chmod 600 /root/.ssh/authorized_keys
+
+
+
+# let's include seamonkey browser
+RUN wget -c https://archive.mozilla.org/pub/seamonkey/releases/2.53.12/linux-x86_64/en-GB/seamonkey-2.53.12.en-GB.linux-x86_64.tar.bz2 -O /opt/seamonkey.tar.bz2
+WORKDIR "/opt/"
+RUN tar -xvf seamonkey.tar.bz2
+RUN rm -f /opt/seamonkey.tar.bz2
+
+RUN echo "[Desktop Entry]\n \
+		Version=1.0\n \
+		Type=Application\n \
+		Name=Seamonkey\n \
+		Comment=Web Browser\n \
+		Exec=/opt/seamonkey/seamonkey\n \
+		Icon=web-browser\n \
+		Terminal=false" > /opt/seamonkey/Seamonkey.desktop
+RUN chmod +x /opt/seamonkey/Seamonkey.desktop 
+
+
+
+# vnc server startup shortcut
+RUN echo "/opt/TurboVNC/bin/vncserver :1" >> /bin/startvnc
+RUN chmod +x /bin/startvnc
+
+EXPOSE 5901
+EXPOSE 22
+
+
+# startup command:
+CMD /bin/bash
+
+
+