pg gem installation script for td-agent 2

pg_gem_install.sh

sudo apt-get install -y build-essential
sudo apt-get build-dep -y postgresql
wget http://ftp.postgresql.org/pub/source/v9.2.8/postgresql-9.2.8.tar.gz
tar -zxvf postgresql-9.2.8.tar.gz
cd postgresql-9.2.8
export MAJOR_VER=9.2
./configure \
  --prefix=/opt/td-agent/embedded \
  --mandir=/opt/td-agent/embedded/share/postgresql/${MAJOR_VER}/man \
  --docdir=/opt/td-agent/embedded/share/doc/postgresql-doc-${MAJOR_VER} \
  --sysconfdir=/etc/postgresql-common \
  --datarootdir=/opt/td-agent/embedded/share/ \
  --datadir=/opt/td-agent/embedded/share/postgresql/${MAJOR_VER} \
  --bindir=/opt/td-agent/embedded/lib/postgresql/${MAJOR_VER}/bin \
  --libdir=/opt/td-agent/embedded/lib/ \
  --libexecdir=/opt/td-agent/embedded/lib/postgresql/ \
  --includedir=/opt/td-agent/embedded/include/postgresql/ \
  --enable-nls \
  --enable-integer-datetimes \
  --enable-thread-safety \
  --enable-debug \
  --with-gnu-ld \
  --with-pgport=5432 \
  --with-openssl \
  --with-libedit-preferred \
  --with-includes=/opt/td-agent/embedded/include \
  --with-libs=/opt/td-agent/embedded/lib
make
sudo make install
sudo /usr/sbin/td-agent-gem install --no-document pg -- --with-pg-config=/opt/td-agent/embedded/lib/postgresql/9.2/bin/pg_config

Based on this gist: https://gist.github.com/jtimberman/3954641

I could install fluent-plugin-redshift v0.0.4 by the following modify.

- sudo /usr/sbin/td-agent-gem install --no-document pg -- --with-pg-config=/opt/td-agent/embedded/lib/postgresql/9.2/bin/pg_config
+ sudo /usr/sbin/td-agent-gem install --no-document pg -v 0.17 -- --with-pg-config=/opt/td-agent/embedded/lib/postgresql/9.2/bin/pg_config