couchdb-ec2-install.sh

#!/bin/bash

#
# This script installs and configures couchdb on a fresh Amazon Linux AMI instance.
#
# Must be run with root privileges
# Tested with Amazon Linux AMI release 2011.02.1.1 (ami-8c1fece5)
#

export BUILD_DIR="$PWD"

# install gem dependencies
yum install gcc gcc-c++ libtool curl-devel ruby-rdoc zlib-devel openssl-devel make automake rubygems perl git-core help2man
# gem install rake --no-ri --no-rdoc

if [ ! -e "/usr/local/bin/couchdb" ]
then

  if [ ! -d "$BUILD_DIR/build-couchdb" ]
  then
    # get build-couch code
    git clone git://github.com/jhs/build-couchdb
    cd $BUILD_DIR/build-couchdb/
    git submodule init
    git submodule update
  fi

  # run build-couch
  cd $BUILD_DIR/build-couchdb/
  rake git="git://git.apache.org/couchdb.git tags/1.5.1" install=/usr/local
fi

# install our .ini
cat << 'EOF' > /usr/local/etc/couchdb/local.ini
[couchdb]
database_dir = /data
view_index_dir = /data

[httpd]
bind_address = 0.0.0.0

[compactions]
_default = [{db_fragmentation, "70%"}, {view_fragmentation, "60%"}, {from, "23:00"}, {to, "04:00"}]

[replicator]
max_replication_retry_count = infinity
EOF

if [ ! -e "/etc/logrotate.d/couchdb" ]
then
  # add couch.log to logrotate
  ln -s /usr/local/etc/logrotate.d/couchdb /etc/logrotate.d/
  # change to daily rotation
  sed -e s/weekly/daily/g -i /usr/local/etc/logrotate.d/couchdb
  #logrotate -v -f /etc/logrotate.d/couchdb 
fi

# add couchdb user
adduser --system --home /usr/local/var/lib/couchdb -M --shell /bin/bash --comment "CouchDB" couchdb

# change file ownership
chown -R couchdb:couchdb /usr/local/etc/couchdb /usr/local/var/lib/couchdb /usr/local/var/log/couchdb /usr/local/var/run/couchdb

# run couchdb on startup
ln -s /usr/local/etc/rc.d/couchdb /etc/init.d/couchdb
chkconfig --add couchdb
chkconfig --level 345 couchdb on

# done!
echo
echo
echo "Installation complete!"
echo
echo "Couchdb is ready to start. Run:"
echo "    sudo service couchdb start"