Automated Latest Fog SVN update script (1.0 and later) And other helpful productivity things



  • Hi friends,

    So back in the times of fog 0.33b I posted a nifty script to help with automating the svn dev build update process. Since much has changed in the process since then I figure maybe someone else might find this rather helpful.
    The script is attached and it is thoroughly commented. I’ll just post the contents without most the comments in the post too.

    Some prereqs for this script

    Already have an existing working install/configuration of FOG 1.0 or later

    sudo apt-get install subversion
    mkdir /home/fog/fogInstalls
    sudo apt-get install dos2unix

    A encrypted version of your sudo password, create one with this command

    echo “your_super_secret_password” | openssl enc -des -a -e -pass pass:PASSWORD

    Then just copy the output, including any “=” signs at the end of the string, into the later section of this script

    Enter sudo mode and do some quick server maintenance update fun times

    echo “$(echo yourOpensslEncryptedPassword | openssl enc -des -a -d -pass pass:PASSWORD)” | sudo -S apt-get update -y
    sudo apt-get upgrade -y

    Backup stuff

    sudo cp /opt/fog/service/etc/config.php /home/fog/fogInstalls # config file
    sudo cp /etc/exports /home/fog/fogInstalls/exports # Exports file
    sudo cp /var/www/html/fog/service/ipxe/bzImage /home/fog/fogInstalls # 64 bit kernel
    sudo cp /var/www/html/fog/service/ipxe/bzImage32 /home/fog/fogInstalls # 32 bit kernel
    sudo cp /var/www/html/fog/service/ipxe/bg.png /home/fog/fogInstalls # custom background
    mysqldump -u root --all-databases --events > all-Databases-backup.sql # database backup

    Maintaining downloaded dev build folder structure

    cd /home/fog/fogInstalls
    time_stamp=$(date +%Y_%m_%d_%H_%M_%S)
    mkdir ${time_stamp}
    cd ${time_stamp}

    SVN download

    sudo svn checkout https://svn.code.sf.net/p/freeghost/code/trunk
    sudo chown -R fog /home/fog/fogInstalls
    sudo chgrp -R fog /home/fog/fogInstalls
    sudo chmod -R 777 /home/fog/fogInstalls

    Update Fog

    cd ${PWD}/trunk/bin
    sudo yes | ${PWD}/installfog.sh
    wget -O - --post-data=“confirm=yes” “http://${FOGWEBIP}/commons/schemaupdater/index.php” 2>/dev/null

    #Optional - Fix webroot
    sudo rm -rf /var/www/html/fog
    sudo mv /var/www/fog /var/www/html/fog

    Restore backed up files

    sudo dos2unix /home/fog/fogInstalls/.
    sudo rm /opt/fog/service/etc/config.php
    sudo cp /home/fog/fogInstalls/config.php /opt/fog/service/etc
    sudo rm /home/fog/fogInstalls/bzImage && sudo rm /home/fog/fogInstalls/bzImage32
    sudo cp /home/fog/fogInstalls/bzImage /var/www/html/fog/service/ipxe
    sudo cp /home/fog/fogInstalls/bzImage32 /var/www/html/fog/service/ipxe
    sudo cp /home/fog/fogInstalls/bg.png /var/www/html/fog/service/ipxe
    sudo cp /tftpboot/undionly.kpxe /tftpboot/undionly.kpxe.original && mv /tftpboot/undionly.kpxe /tftpboot/undionly.0
    sudo cp /tftpboot/undionly.0 /var/www/html/fog/service/ipxe/undionly.0

    Make sure Permissions are right on webroot and nfs images path

    sudo chown -R fog /var/www/html/fog
    sudo chgrp -R fog /var/www/html/fog
    sudo chmod -R 775 /var/www/html/fog
    sudo chown -R fog /images
    sudo chgrp -R fog /images
    sudo chmod -R 775 /images

    Restart/Refresh server services

    sudo /etc/init.d/apache2 restart
    sudo service mysql restart

    Alternatively, you could also just have it restart the server at this point with

    sudo shutdown -r now

    fog_SVN_updater.zip


  • Developer

    If I want to make changes to my init files I use this script a lot:

    #!/bin/sh
     
    INIT="init"
     
    if [ ! -f ${INIT}.bak ]
    then
      echo "Backing up ${INIT}.xz"
      mv ${INIT}.xz ${INIT}.bak
      cp ${INIT}.bak ${INIT}.xz
    fi
     
    if [ -f mnt/bin/fog ]
    then
      umount mnt
      rmdir mnt
      echo "Compressing ${INIT}.xz, please wait..."
      xz -C crc32 -9 ${INIT}
    else
      xz -d ${INIT}.xz
      mkdir -p mnt
      mount -o loop ${INIT} mnt
      echo "Mounted ${INIT}, have fun..."
    fi
    


  • I’m also wondering if anyone has other helpful tricks they use on their fog server to make life easier.
    For example another thing I do is make aliases for cd-ing into the fog dirs I use often, so I can just type cdfog to get to the webroot for example. I realize that you can also do this with global variables, but I’m a fan of aliases.

    In case you don’t know, to make the file for your fog user
    sudo nano /home/fog/.bash_aliases
    Note that you’ll need to restart your terminal/login session for the aliases to take effect.

    This is what my .bash_aliases looks like.

    alias cdfog='cd /var/www/html/fog’
    alias editDns='sudo nano /etc/dnsmasq.d/ltsp.conf’
    alias editSmb='sudo nano /etc/samba/smb.cnf’
    alias cdipxe='cd /var/www/html/fog/service/ipxe’
    alias snapins=‘cd /opt/fog/snapins’


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