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#!/bin/bash
# vim: ts=4 sw=4 sts=4 et tw=72 :
# force any errors to cause the script and job to end in failure
set -xeu -o pipefail
rh_systems() {
# Assumes that python is already installed by basebuild
# Install dependencies for robotframework and robotframework-sshlibrary
yum install -y yum-utils unzip sshuttle nc libffi-devel openssl-devel
# Install docker
yum install -y docker supervisor bridge-utils
systemctl enable docker
# configure docker networking so that it does not conflict with LF
# internal networks
cat <<EOL > /etc/sysconfig/docker-network
# /etc/sysconfig/docker-network
DOCKER_NETWORK_OPTIONS='--bip=10.250.0.254/24'
EOL
# configure docker daemon to listen on port 5555 enabling remote
# managment
sed -i -e "s#='--selinux-enabled'#='--selinux-enabled -H unix:///var/run/docker.sock -H tcp://0.0.0.0:5555'#g" /etc/sysconfig/docker
# docker group doesn't get created by default for some reason
groupadd docker
}
ubuntu_docker_mtu_fix(){
echo "---> Fixing docker's mtu settings"
systemctl stop docker
cat <<'EOL' > /etc/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network.target docker.socket
Requires=docker.socket
[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=
ExecStart=/usr/bin/dockerd --mtu 1454 -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock
ExecReload=/bin/kill -s HUP $MAINPID
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
TasksMax=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
[Install]
WantedBy=multi-user.target
EOL
systemctl start docker
echo "---> Checking MTU"
docker network inspect bridge
echo "---> MTU set to 1454"
}
ubuntu_systems() {
# Assumes that python is already installed by basebuild
# Install Python3.6
sudo add-apt-repository -y ppa:jonathonf/python-3.6
sudo apt-get update
sudo apt-get install -y python3.6 python3.6-dev
# Install dependencies for robotframework and robotframework-sshlibrary
apt install -y unzip sshuttle netcat libffi-dev libssl-dev
wget https://github.com/mozilla/geckodriver/releases/download/v0.18.0/geckodriver-v0.18.0-linux64.tar.gz
tar xvzf geckodriver-v0.18.0-linux64.tar.gz -C /usr/local/bin
export PATH=$PATH:/usr/local/bin
# Install docker
apt install -y docker.io
# Fixing Docker MTU settings
ubuntu_docker_mtu_fix
}
all_systems() {
# Install docker-compose
curl -o /usr/local/bin/docker-compose -L "https://github.com/docker/compose/releases/download/1.15.0/docker-compose-$(uname -s)-$(uname -m)"
chmod +x /usr/local/bin/docker-compose
docker-compose -v
}
echo "---> Detecting OS"
ORIGIN=$(facter operatingsystem | tr '[:upper:]' '[:lower:]')
case "${ORIGIN}" in
fedora|centos|redhat)
echo "---> RH type system detected"
rh_systems
;;
ubuntu)
echo "---> Ubuntu system detected"
ubuntu_systems
;;
*)
echo "---> Unknown operating system"
;;
esac
# execute steps for all systems
all_systems
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