Script to install graphite locally on CentOs

install-graphite.sh

#!/bin/bash

# Add the EPEL repo if not added already
yum repolist | grep -i epel
if [ $? -ne 0 ]; then
    rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
fi
 
# Install the preqs
yum install gcc-c++ httpd python-devel python-pip python-sqlite2 \
            memcached pycairo Django django-tagging Twisted \
            fontconfig bitmap bitmap-fonts mod_wsgi mod_python git -y

# Alias pip
PIP=`which pip-python`

# TODO: check if it is already installed ('pip show' is only in later versions)
$PIP install python-memcached

# Install graphite components in /opt/graphite/
$PIP install whisper
$PIP install carbon
$PIP install graphite-web

# Copy example configs
cd /opt/graphite/conf
cp carbon.conf.example carbon.conf
cp storage-schemas.conf.example storage-schemas.conf

# Create/Sync with SQLite
cd /opt/graphite/webapp/graphite
python manage.py syncdb

# Create symlink for graphite to write to
mv /opt/graphite/storage/ /var/graphite/
ln -s /var/graphite /opt/graphite/storage
chcon -Rv --type=httpd_sys_content_t /opt/graphite/storage
chcon -Rv --type=httpd_sys_content_t /var/graphite
chown -R apache:apache /var/graphite/

# Replace the token @DJANGO@ with the appropriate django path in the apache config
DJANGO_ROOT=`find / -name django -type d -print`
echo $DJANGO_ROOT
cp /opt/graphite/examples/example-graphite-vhost.conf /etc/httpd/conf.d/graphite-vhost.conf
sed -i "s|@DJANGO_ROOT@|$DJANGO_ROOT|" /etc/httpd/conf.d/graphite-vhost.conf

# Copy the example wsgi config
cp /opt/graphite/conf/graphite.wsgi.example /opt/graphite/conf/graphite.wsgi

# Restart Apache httpd (at this point, we should be able to browse to http://localhost)
apachectl -k restart

# Install scons & statsite for udp datagrams
cd /opt/
wget http://prdownloads.sourceforge.net/scons/scons-2.3.0.tar.gz
tar -xvzf scons-2.3.0.tar.gz
rm -f scons-2.3.0.tar.gz
cd scons-2.3.0
python ./setup.py install --standard-lib
cd /opt/
rm -rf scons-2.3.0

git clone https://github.com/armon/statsite.git
cd /opt/statsite/
scons

# Create a statsite config
cat << 'EOF' > /etc/statsite.conf
[statsite]
port = 8125
udp_port = 8125
log_level = INFO
flush_interval = 10
timer_eps = 0.01
stream_cmd = python /opt/statsite/sinks/graphite.py localhost 2003
EOF

# Create the upstart script for statsite
cat << 'EOF' > /etc/init/statsite.conf
description "Statsite for Graphite"
start on started
stop on shutdown
respawn
script
exec /opt/statsite/statsite -f /etc/statsite.conf
end script
EOF

# Create the upstart script for carbon-cache
cat << 'EOF' > /etc/init/carbon-cache.conf
description "Carbon-Cache for Graphite"
start on started
stop on shutdown
respawn
script
exec /opt/graphite/bin/carbon-cache.py start
end script
EOF

# Enable httpd, carbon-cache, and statsite daemons
chkconfig httpd on
initctl start carbon-cache
initctl start statsite

# Open up ports
iptables -I INPUT -p tcp --dport 2003 -j ACCEPT
iptables -I INPUT -p udp --dport 8125 -j ACCEPT
iptables -I INPUT -p tcp --dport 80 -j ACCEPT
service iptables save

echo "If everything went well, you should be able to browse to http://localhost and see graphite"
exit 0