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Sakai Cluster (PROD)

Sakai Cluster (PROD)

Aug 07, 2007

PROD: Setup Sakai Cluster

Table of Contents

JIRA: SAK-130

Load Balancer

  • IP: 169.237.104.23

  • DNS: smartsite.ucdavis.edu

  • TTL: 60 min.

Nodes

  • stubing

  • walton

  • braddock (during live updates)

System Administrator Tasks

Sakai system user on each node

  • User name: sakai

  • Home: /ucd/opt/sakai

Applicatoins

  • /ucd/pkg/jdk1.5.0_11 ( or newer)

    • Create soft-link: /ucd/opt/java5 --> /ucd/pkg/jdk1.5.0_11

    • NOTE: Whenever there is a newer java version available, we need to make sure that this new version is installed on all new and existing nodes

  • /ucd/pkg/maven-1.0.2

    • Create soft-link: /ucd/opt/maven --> /ucd/pkg/maven-1.0.2

  • Subversion client

Tomcat deployment directory

  • Create a directory "/ucd/pkg/apache-tomcat/" ... so that the sakai user has "RW" access to it

AFS content links

  • The following soft links need to be created on each node

    /var/sakai/content --> /afs/.ucdavis.edu/app/sakai/misc/content/smartsite /var/sakai/archive --> /afs/.ucdavis.edu/app/sakai/misc/archive/smartsite /var/sakai/ucd-data --> /afs/.ucdavis.edu/app/sakai/misc/ucd-data/smartsite /var/melete --> /afs/.ucdavis.edu/app/sakai/misc/melete/smartsite/melete /var/meleteDocs --> /afs/.ucdavis.edu/app/sakai/misc/melete/smartsite/meleteDocs /var/uploads --> /afs/.ucdavis.edu/app/sakai/misc/melete/smartsite/uploads /var/samigo --> /afs/.ucdavis.edu/app/sakai/misc/samigo/smartsite

Programmer Tasks

Node Setup

#!/bin/sh # Normal Node ln -s /afs/.ucdavis.edu/app/sakai/staging/config $HOME/config-staging cp $HOME/config-staging/bash_profile $HOME/.bash_profile source $HOME/.bash_profile mkdir $HOME/sakai-home mkdir $HOME/bin cp $HOME/config-staging/copy-tomcat.sh $HOME/bin cp $HOME/config-staging/SmartSiteCheck.sh $HOME/bin cp $HOME/config-staging/start.sh $HOME/bin cp $HOME/config-staging/stop.sh $HOME/bin cp $HOME/config-staging/sakai.properties $HOME/sakai-home cp $HOME/config-staging/toolOrder.xml $HOME/sakai-home touch $HOME/sakai-home/local.properties echo "# Local server name" > $HOME/sakai-home/local.properties echo "serverId=`hostname`" >> $HOME/sakai-home/local.properties $HOME/bin/copy-tomcat.sh # Head Node # cp $HOME/config-staging/tomcatclean.sh $HOME/bin # mkdir $HOME/src

AFS staging volume

  • /afs/.ucdavis.edu/app/sakai/staging

    • /afs/.ucdavis.edu/app/sakai/staging/tomcat

    • /afs/.ucdavis.edu/app/sakai/staging/config

    • /afs/.ucdavis.edu/app/sakai/staging/src

Common files in staging area

  • /afs/.ucdavis.edu/app/sakai/staging/tomcat/..

    • apache-tomcat-5.5.23

  • /afs/.ucdavis.edu/app/sakai/staging/config/..

    • bash_profile

    • sakai.properties

    • start.sh

    • stop.sh

    • tomcatclean.sh

    • sakai.properties

    • local.properties

    • build.properties

  • /afs/.ucdavis.edu/app/sakai/staging/src/..

    • sakai_2-4-x-prod-X

Directory setup on each node

  • /ucd/opt/sakai

    • build.properties NOTE: In case we need to build the source

  • /ucd/opt/sakai/bin

    • start.sh

    • stop.sh

    • tomcatclean.sh

  • /ucd/opt/sakai/sakai-home

    • sakai.properties

    • local.properties

  • /ucd/pkg/apache-tomcat

    • Ready to run tomcat instance

Detailed file descriptions and content

  • .bash_profile

    PATH=/ucd/opt/java5/bin:/ucd/opt/maven/bin:$PATH MAVEN_HOME=/ucd/opt/maven CATALINA_HOME=/ucd/pkg/apache-tomcat CATALINA_STAGING=/afs/.ucdavis.edu/app/sakai/staging/tomcat/apache-tomcat-5.5.23 JAVA_HOME=/ucd/opt/java5 JAVA_OPTS=" -d64 -server -Xmx6144m -Xms6144m -XX:NewSize=512m -XX:MaxNewSize=512m -XX:PermSize=256m -XX:MaxPermSize=512m -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Dsakai.home=/ucd/opt/sakai/sakai-home/" CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9000 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false" MAVEN_OPTS="-Xmx1024m -Xms1024m" export PATH MAVEN_HOME CATALINA_HOME JAVA_HOME JAVA_OPTS CATALINA_OPTS MAVEN_OPTS CATALINA_STAGING

  • start.sh

    #!/bin/sh JAVA_HOME=/ucd/opt/java5 export JAVA_HOME $CATALINA_HOME/bin/startup.sh

  • stop.sh

    #!/bin/sh JAVA_HOME=/ucd/opt/java5 export JAVA_HOME $CATALINA_HOME/bin/shutdown.sh

  • tomcatclean.sh

    #!/bin/sh cd $CATALINA_STAGING rm -fr components rm common/lib/sakai-* rm shared/lib/* rm -fr work/Catalina/localhost/* mv webapps/ROOT . rm -fr webapps/* mv ROOT webapps/

  • local.properties NOTE: The serverId field is different for each node

    # Local server name serverId=stubing

  • copy-tomcat.sh

    #!/bin/sh rm -fr $CATALINA_HOME/* cp -R $CATALINA_STAGING/* $CATALINA_HOME/

FAQ

  • Q: How do I know which node I am connected to?

  • A: Look at the bottom of the page, where you will see a filed called Server

    • e.g. Server littlejohn