OSO3_M5_install_scripted

#!/bin/bash
#Start with a CENTOS VM minimal install
#run this script as root on both the Master and Node for openshift

#PLEASE SET BELOW VARIABLES!
fqdn=putyourfqdnhere
fqdn_node01=nodefqdn
nameserver1=nameserverip
nameserver2=nameserverip
nameserver3=nameserverip
ipauser=ipausername
ipapass=ipauserpassword

#Define Text Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
LG='\033[0;37m'
LB='\033[1;34m'
NC='\033[0m' # No Color

TestOSVersion(){
if [ "$(grep -i "Red Hat Enterprise Linux" /etc/redhat-release)" ] || [ "$(grep -i "CentOS" /etc/redhat-release)" ]; then 
		printf "\n\n${GREEN}Excellent, this is a RHEL based , Centos or Redhat system.${NC}\n\n" 
	else 
		printf "\n\n${RED}Uhoh, this system is not a RHEL based Centos or Redhat system, please start with a RHEL based system${NC}\n\n"  
	exit 1
fi
}

Resolve(){
printf "\n\n${YELLOW}Setting up resolve.${NC}\n\n"
echo "search partshop.lab24.co lab24.co
nameserver $nameserver1
nameserver $nameserver2
nameserver $nameserver3" > /etc/resolv.conf
}

UPDATESystem(){
if rpm -q epel-release | grep "not installed"; then
	printf "\n\n${YELLOW}Enabling epel${NC}\n\n"
	yum install -y epel-release 
	ec=$?
	Exit
fi
if rpm -q wget tar atop git vim-enhanced system-storage-manager | grep "not installed"; then
	printf "\n\n${YELLOW}Installing some tools: atop, wget, vim, git, ssm.${NC}\n\n"
	yum install -y wget tar atop git vim system-storage-manager
	ec=$?
	Exit
fi
printf "\n\n${YELLOW}Updating the system${NC}\n\n"
yum -y update
ec=$?
Exit
}

Reqs(){
# pre-reqs for open shift

if rpm -q ansible libsemanage-python util-linux rubygem-thor | grep "not installed"; then
	printf "\n\n${YELLOW}Installing some OpenShift pre-reqs.${NC}\n\n"
	yum install -y rubygem-thor rubygem-parseconfig util-linux libsemanage-python ansible
	ec=$?
	Exit
fi
if rpm -q docker-io | grep "not installed"; then
	printf "\n\n${YELLOW}Installing docker.${NC}\n\n"
	yum install -y ftp://rpmfind.net/linux/epel/testing/6/x86_64/docker-io-1.6.2-1.el6.x86_64.rpm
	yum install -y ftp://195.220.108.108/linux/epel/testing/6/x86_64/docker-io-1.6.2-1.el6.x86_64.rpm
fi

printf "\n\n${YELLOW}Starting docker and enabling it on boot.${NC}\n\n"
systemctl start docker
systemctl enable docker
chkconfig docker on
}

Ssh(){
if [ -f ~/.ssh/id_rsa ]; then
	printf "\n\n${YELLOW}ssh-keys exist, not creating new ones${NC}\n\n"
else
	printf "\n\n${YELLOW}Generating ssh-keys${NC}\n\n"
	#echo statement will overwrite sshkey if it exists
	#-N answers with blank for key password
	echo -e  'y\n' | ssh-keygen -t rsa -b 4096 -N "" -f ~/.ssh/id_rsa
	cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
	#ssh-copy-id -i ~/.ssh/id_rsa.pub root@nodeip_or_fqdn
fi
}

#set hostname on openstack
#####edit /etc/cloud/cloud.cfg and comment out set_hostname, update_hostname, update _etc_hosts
#vi /etc/cloud/cloud.cfg
##

Name(){
fqdnrun="fqdnrun.not.set"
if [[ `hostname -s` = *master* ]]; then
	printf "\n\n${YELLOW}I believe this is a master, hostname will be set appropriately.${NC}\n\n"
	fqdnrun=$fqdn
else
	printf "\n\n${YELLOW}I believe this is a node, hostname will be set appropriately.${NC}\n\n"
	fqdnrun=$fqdn_node01
fi
printf "\n\n${YELLOW}Setting hostname everywhere I can for consistency${NC}\n\n"
echo $fqdnrun > /etc/hostname
sed -i '/HOSTNAME/d' /etc/sysconfig/network
echo "HOSTNAME="$(echo $fqdnrun) >> /etc/sysconfig/network
sysctl kernel.hostname=$(echo $fqdnrun)
hostnamectl set-hostname $(echo $fqdnrun)
sed -i 's/PEERDNS="yes"/PEERDNS="no"/g' /etc/sysconfig/network-scripts/ifcfg-eth0
sed -i '/HOSTNAME/d' /etc/sysconfig/network-scripts/ifcfg-eth0
echo "DHCP_HOSTNAME="$(echo $fqdnrun)"" >> /etc/sysconfig/network-	scripts/ifcfg-eth0
}

#on openstack permit root login in /etc/ssh/sshd_config
#vim /etc/ssh/sshd_config
#sed -i ’s/#PermitRootLogin yes/PermitRootLogin yes/g' /etc/ssh/sshd_config

Ipa(){
printf "\n\n${YELLOW}Adding to IPA${NC}\n\n"
yum -y install ipa-client
ec=$?
Exit
ipa-client-install --enable-dns-updates --mkhomedir -U -p $ipauser -w $ipapass
}

Master(){
if [[ `hostname -s` = *master* ]]; then
	printf  "\n\n${GREEN}Looks like we're running on the master, treating this as the OSO M5 master!${NC}\n\n"
else
	printf "\n\n${YELLOW}Looks like this is a node, exiting to let ansible do it's thing!${NC}\n\n"
	exit 0
fi
}

Exit(){
if [[ $ec != 0 ]]; then 
	printf "\n\n${RED}Something has gone wrong! Error Code: $ec${NC}\n\n"
	exit $ec 
fi
}


Oso(){
printf "\n\n${YELLOW}Getting Origin M5 Installer${NC}\n\n"
rm -rf openshift-origin*
wget https://github.com/openshift/origin/releases/download/v1.0.0/openshift-origin-v1.0.0-67617dd-linux-amd64.tar.gz && tar -xzf openshift-origin-v1.0.0-67617dd-linux-amd64.tar.gz
ec=$?
Exit
git clone https://github.com/openshift/openshift-ansible.git
ec=$?
Exit
}

Fxa(){
printf "\n\n${YELLOW}Fixing Ansible hosts file${NC}\n\n"
cp openshift-ansible/inventory/byo/hosts /etc/ansible/hosts
sed -i "s/.*-master-.*/$fqdn/" /etc/ansible/hosts
sed -i "s/.*-node.*/$fqdn_node01/" /etc/ansible/hosts
}


Ins(){
#### the below needs to run successfully
#ansible-playbook ~/openshift-ansible/playbooks/byo/openshift-facts.yml
printf "\n\n${YELLOW}Running Openshift Ansible installer${NC}\n\n"
ansible-playbook ~/openshift-ansible/playbooks/byo/config.yml

printf "\n\n${YELLOW}Creating Openshift Router${NC}\n\n"
openshift admin router --create=true --credentials=/etc/openshift/master/openshift-router.kubeconfig
printf "\n\n${YELLOW}Creating Openshift Registry${NC}\n\n"
openshift admin registry --create=true --credentials=/etc/openshift/master/openshift-registry.kubeconfig --mount-host=/var/lib/openshift/docker-registry
}

Strt(){
printf "\n\n${YELLOW}Starting Openshift${NC}\n\n"
openshift start
}

TestOSVersion
UPDATESystem
Resolve
Reqs
Ssh

Name
Ipa

Master

Oso
Fxa
Ins
Strt