metalcontroller.bash

#!/bin/bash

# Variables
CLUSTER_INTERFACE="eth1"
CLUSTER_IP="10.10.0.1"
CLUSTER_NETWORK="10.10.0.0"
CLUSTER_NETMASK="255.255.0.0"
CLUSTER_CIDR="$(ipcalc -p 1.1.1.1 255.255.0.0 |sed 's/.*=//g')"
DHCP_MIN="10.10.200.0"
DHCP_MAX="10.10.200.255"

yum -y install vim dhcp tftp xinetd tftp-server syslinux syslinux-tftpboot httpd dnsmasq git

cat << EOF > /etc/sysconfig/network-scripts/ifcfg-$CLUSTER_INTERFACE
DEVICE=$CLUSTER_INTERFACE
ONBOOT=yes
TYPE=Ethernet
DEFROUTE=no
BOOTPROTO=static
IPADDR=$CLUSTER_IP
NETMASK=$CLUSTER_NETMASK
NETWORK=$CLUSTER_NETWORK
ZONE=cluster
PEERDNS=no
EOF

cat << EOF > /etc/httpd/conf.d/deployment.conf
<Directory /opt/flight/deployment/>
    Options Indexes MultiViews FollowSymlinks
    AllowOverride None
    Require all granted
    Order Allow,Deny
    Allow from $CLUSTER_NETWORK/$CLUSTER_CIDR
</Directory>
Alias /deployment /opt/flight/deployment
EOF

mkdir -p /opt/flight/deployment
systemctl enable httpd

sed -ie "s/^.*disable.*$/\    disable = no/g" /etc/xinetd.d/tftp

mkdir -p /var/lib/tftpboot/{boot,pxelinux.cfg}

cat << EOF > /var/lib/tftpboot/pxelinux.cfg/default
DEFAULT menu
PROMPT 0
MENU TITLE PXE Menu
TIMEOUT 100
TOTALTIMEOUT 1000
ONTIMEOUT local

LABEL local
    MENU LABEL (local)
    MENU DEFAULT
    LOCALBOOT 0
EOF

systemctl enable xinetd
systemctl enable dnsmasq
systemctl enable firewalld
    
firewall-offline-cmd --new-zone cluster
firewall-offline-cmd --set-target=ACCEPT --zone cluster
firewall-offline-cmd --zone cluster --add-interface $CLUSTER_INTERFACE
firewall-offline-cmd --set-default-zone=external #so that we masquerade over our internet facing device

cat << EOF > /etc/dhcp/dhcpd.conf
omapi-port 7911;

default-lease-time 43200;
max-lease-time 86400;
ddns-update-style none;
option domain-name-servers $CLUSTER_IP;

allow booting;
allow bootp;

option fqdn.no-client-update    on; # set the "O" and "S" flag bits
option fqdn.rcode2          255;
option pxegrub code 150 = text ;

option space PXE;
option PXE.mtftp-ip        code 1 = ip-address;
option PXE.mtftp-cport code 2 = unsigned integer 16;
option PXE.mtftp-sport code 3 = unsigned integer 16;
option PXE.mtftp-tmout code 4 = unsigned integer 8;
option PXE.mtftp-delay code 5 = unsigned integer 8;
option arch code 93 = unsigned integer 16; # RFC4578

# PXE Handoff.
next-server $CLUSTER_IP;
filename "pxelinux.0";

log-facility local7;

subnet $CLUSTER_NETWORK netmask $CLUSTER_NETMASK {
  pool
  {
    range $DHCP_MIN $DHCP_MAX;
  }
  option routers $CLUSTER_IP;
}
EOF

systemctl enable dhcpd