Upgrade Latest Python & PIP on EC2 for Locust Swarms

get_locust.sh

# Build tools
sudo yum install make automake gcc gcc-c++ kernel-devel git-core -y 

# Install python 2.7 and change default python symlink 
sudo yum install python27-devel -y 
sudo rm /usr/bin/python
sudo ln -s /usr/bin/python2.7 /usr/bin/python 

# yum still needs 2.6, so write it in and backup script 
sudo cp /usr/bin/yum /usr/bin/_yum_before_27 
sudo sed -i s/python/python2.6/g /usr/bin/yum 
sudo sed -i s/python2.6/python2.6/g /usr/bin/yum 

# Install pip for 2.7 
sudo curl -o /tmp/ez_setup.py https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py

sudo /usr/bin/python27 /tmp/ez_setup.py 
sudo /usr/bin/easy_install-2.7 pip 
sudo pip install virtualenv

# See if everything worked
pip -V && virtualenv --version

# Install locust io
sudo pip install locustio

# Install zmq for distributed systems
sudo easy_install pyzmq

# The load settings for allowing various connections and whatnot
sudo echo “10152 65535″ > /proc/sys/net/ipv4/ip_local_port_range
sudo sysctl -w fs.file-max=128000
sudo sysctl -w net.ipv4.tcp_keepalive_time=300
sudo sysctl -w net.core.somaxconn=250000
sudo sysctl -w net.ipv4.tcp_max_syn_backlog=2500
sudo sysctl -w net.core.netdev_max_backlog=2500
sudo ulimit -n 10240