CENTOS4CEPHFUNCTIONS

#https://www.howtoforge.com/tutorial/how-to-build-a-ceph-cluster-on-centos-7/
#w VirtualBoxie zakładam vm Centos7 z 2GB RAM i dwa dyski 8GB i 8GB
#TUTAJ SĄ FUNKCJE DO GŁÓWNEGO SKRYPTU
#GŁÓWNY SKRYPT
#curl https://pastebin.com/raw/kZX6ubYH | sed 's/\r//g' > ceph.txt
#FUNKCJE CZYLI TEN PLIK
#curl https://pastebin.com/raw/2gEM4ena | sed 's/\r//g' > cephfun.sh

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#updatuje Centos, dodając pakiety np. ceph-deploy
cat << 'EOF' > /usr/local/bin/centos_update
yum install -y epel-release
rpm -Uvh http://download.ceph.com/rpm-jewel/el7/noarch/ceph-release-1-1.el7.noarch.rpm
#https://www.digitalocean.com/community/tutorials/how-to-install-puppet-4-in-a-master-agent-setup-on-centos-7
rpm -ivh https://yum.puppetlabs.com/puppetlabs-release-pc1-el-7.noarch.rpm
#http://www.itzgeek.com/how-tos/linux/centos-how-tos/setup-chef-12-centos-7-rhel-7.html
#http://linoxide.com/linux-how-to/chef-workstation-server-node-centos-7/
yum update -y && yum install ceph-deploy -y
yum install -y vim ansible nmap sg3_utils puppetserver puppet-agent wget
yum install -y sysbench iperf bonnie++
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
systemctl stop firewalld; systemctl disable firewalld
[ -f /etc/ansible/hosts ] && mv /etc/ansible/hosts /etc/ansible/hosts.orig -f
echo "[web]" > /etc/ansible/hosts
#echo server1 >> /etc/ansible/hosts
#echo server2 >> /etc/ansible/hosts
#echo server3 >> /etc/ansible/hosts
echo 'ansible all -s -m shell -a "$1"' > /usr/local/bin/ae
chmod 700 /usr/local/bin/ae
sed -i s'/Defaults requiretty/#Defaults requiretty'/g /etc/sudoers
yum install -y ntp ntpdate ntp-doc
ntpdate 0.us.pool.ntp.org
hwclock --systohc
systemctl enable ntpd.service
systemctl start ntpd.service
curl ix.io/client > /usr/local/bin/ix
chmod +x /usr/local/bin/ix
EOF
chmod 755 /usr/local/bin/centos_update

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#centos_static_ip "server" "77" "78" "79"
#server="server"; ip01="77"; ip02="78"; ip03="79"
cat << 'EOF' > /usr/local/bin/centos_static_ip
server=$1
#tu wpisuje uzyskane z dhcp ip
ip01=$2
ip02=$3
ip03=$4
echo "127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4" > /etc/hosts
echo "192.168.2.${ip01} ${server}1" >> /etc/hosts
echo "192.168.2.${ip02} ${server}2" >> /etc/hosts
echo "192.168.2.${ip03} ${server}3" >> /etc/hosts
echo "${server}1" >> /etc/ansible/hosts
echo "${server}2" >> /etc/ansible/hosts
echo "${server}3" >> /etc/ansible/hosts

ssh-keygen -t rsa -b 2048 -N '' -f ~/.ssh/id_rsa
for node in ${server}1 ${server}2 ${server}3; do ssh-copy-id $node ; done

scp /etc/hosts root@${server}2:/etc
scp /etc/hosts root@${server}3:/etc
ssh ${server}1 "echo ${server}1 > /etc/hostname"
ssh ${server}2 "echo ${server}2 > /etc/hostname"
ssh ${server}3 "echo ${server}3 > /etc/hostname"

#tu wpisuje pożądane ustawione ip 3 maszyn
ip01="41"
ip02="42"
ip03="43"
sed -i 's/dhcp/none/g' /etc/sysconfig/network-scripts/ifcfg-enp0s3
sed -i 's/ONBOOT=no/ONBOOT=yes/g' /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo IPADDR=192.168.2.${ip01} >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo "PREFIX=24" >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo "GATEWAY=192.168.2.1" >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo "DNS1=192.168.2.1" >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo "DNS2=8.8.8.8" >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
echo "DNS3=8.8.4.4" >> /etc/sysconfig/network-scripts/ifcfg-enp0s3
rm  ~/ifcfg-enp0s3 -rf;
cp -a /etc/sysconfig/network-scripts/ifcfg-enp0s3 ~
echo sed -i 's/^IPADDR=192.168.2.'$ip01'/IPADDR=192.168.2.'$ip02'/g' ~/ifcfg-enp0s3 > ~/ip.sh
sh ~/ip.sh
scp  ~/ifcfg-enp0s3 root@server2:/etc/sysconfig/network-scripts
rm  ~/ifcfg-enp0s3 -rf;
cp -a /etc/sysconfig/network-scripts/ifcfg-enp0s3 ~
echo sed -i 's/^IPADDR=192.168.2.'$ip01'/IPADDR=192.168.2.'$ip03'/g' ~/ifcfg-enp0s3 > ~/ip.sh
sh ~/ip.sh
scp  ~/ifcfg-enp0s3 root@server3:/etc/sysconfig/network-scripts

echo "127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4" > ~/hosts
echo "192.168.2.${ip01} ${server}1" >> ~/hosts
echo "192.168.2.${ip02} ${server}2" >> ~/hosts
echo "192.168.2.${ip03} ${server}3" >> ~/hosts
scp ~/hosts root@${server}2:/etc
scp ~/hosts root@${server}3:/etc
ssh ${server}2 reboot
ssh ${server}3 reboot
rm -rf /etc/hosts
cp ~/hosts /etc
EOF
chmod 755 /usr/local/bin/centos_static_ip