gistfile1.sh

#! /bin/sh -e
# this script insures that on boot we have the latest version of the application deployed to this instance
# this must be run after the ec2-init script which sets the hostname.  ec2-init is currently S90

if [ -e /var/spool/ec2/meta-data/public-hostname ]; then
  touch /root/aa_my_hostname.$$
  MY_HOSTNAME=`cat /var/spool/ec2/meta-data/public-hostname`
else
  touch /root/aa_no_my_hostname.$$
  exit 1
fi


# configure ssh to use the appropriate public key for the public DNS name of
# this instance so that this instance can deploy to itself
touch /root/ab_check_ssh_config.$$
SSH_TEMP_FILE=.rollbook_init.$$
grep ${MY_HOSTNAME} /home/rbadmin/.ssh/config > ${SSH_TEMP_FILE}
if [ ! -s ${SSH_TEMP_FILE} ]; then
  touch /root/ac_echo_check_ssh_config.$$
  echo "Host ${MY_HOSTNAME}\n  IdentityFile ~/.ssh/rollbook" >> /home/rbadmin/.ssh/config 
fi
rm ${SSH_TEMP_FILE}

# runs a set of commands as rbadmin
#  1. clones the repos to get the lastest cap file iff /var/www/rails/rollbook/current symlink doesn't exist (implies first boot of this instance)
#  2. cds into rbadmin home dir, runs production deploy:setup, runs production deploy
#  3. cleans up initial clone in step 1 if necessary

touch /root/ad_rbk.$$
RBK_TEMP_DIR=.rollbook.$$.boot
if [ ! -h /var/www/rails/rollbook/current ]; then 
touch /root/ae_rbk_rm_rf.$$
  rm -rf /home/rbadmin/${RBK_TEMP_DIR} # git cannot clone to an already existing directory
touch /root/af_rbk_git_clone.$$
  git clone --depth 1 ssh://[email protected]/store/git/rollbook/.git /home/rbadmin/${RBK_TEMP_DIR}
touch /root/ag_rbk_cap_stuff.$$
  cd /home/rbadmin/${RBK_TEMP_DIR} && cap HOSTS=${MY_HOSTNAME} production deploy:setup && cap HOSTS=${MY_HOSTNAME} production deploy
touch /root/ah_rbk_clean_up.$$
  rm -rf /home/rbadmin/${RBK_TEMP_DIR}
touch /root/ai_rbk_clean_up.$$
  chmod -R rbadmin:rbadmin /var/www/rails/rollbook
fi