# Common Functions used by OPNFV Apex
# author: Tim Rozet (trozet@redhat.com)
+##converts subnet mask to prefix
+##params: subnet mask
+function prefix2mask {
+ # Number of args to shift, 255..255, first non-255 byte, zeroes
+ set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
+ [ $1 -gt 1 ] && shift $1 || shift
+ echo ${1-0}.${2-0}.${3-0}.${4-0}
+}
+
##find ip of interface
##params: interface name
function find_ip {
##find_gateway em1
function find_gateway {
local gw gw_interface
+ if [ -z "$1" ]; then
+ return 1
+ fi
gw=$(ip route | grep default | awk '{print $3}')
gw_interface=$(ip route get $gw | awk '{print $3}')
if [ -n "$1" ]; then
##params: interface to find CIDR
function find_cidr {
local cidr network ip netmask short_mask
+ if [ -z "$1" ]; then
+ return 1
+ fi
ip=$(find_ip $1)
netmask=$(find_netmask $1)
if [[ -z "$ip" || -z "$netmask" ]]; then
##params: interface to find IP
function find_usable_ip_range {
local interface_ip subnet_mask first_block_ip last_block_ip
+ if [ -z "$1" ]; then
+ return 1
+ fi
interface_ip=$(find_ip $1)
subnet_mask=$(find_netmask $1)
if [[ -z "$interface_ip" || -z "$subnet_mask" ]]; then
if [ -z "$last_block_ip" ]; then
return 1
else
- last_block_ip=$(subtract_ip ${last_block_ip} 20)
+ last_block_ip=$(subtract_ip ${last_block_ip} 21)
echo "${first_block_ip},${last_block_ip}"
fi
##params: cidr
function generate_usable_ip_range {
local first_ip first_block_ip last_block_ip
- first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ first_ip=$(ipcalc -nmpb $1 | grep NETWORK= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ first_ip=$(increment_ip ${first_ip} 1)
first_block_ip=$(increment_ip ${first_ip} 20)
- last_block_ip=$(ipcalc -nb $1 | grep HostMax: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #last_block_ip=$(ipcalc -nb $1 | grep HostMax: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ last_block_ip=$(ipcalc -nmpb $1 | grep BROADCAST= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ last_block_ip=$(subtract_ip ${last_block_ip} 1)
if [[ -z "$first_block_ip" || -z "$last_block_ip" ]]; then
return 1
else
- last_block_ip=$(subtract_ip ${last_block_ip} 20)
+ last_block_ip=$(subtract_ip ${last_block_ip} 21)
echo "${first_block_ip},${last_block_ip}"
fi
}
##params: interface
function find_provisioner_ip {
local interface_ip
+ if [ -z "$1" ]; then
+ return 1
+ fi
interface_ip=$(find_ip $1)
if [ -z "$interface_ip" ]; then
return 1
##params: cidr
function generate_provisioner_ip {
local provisioner_ip
- provisioner_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #provisioner_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ provisioner_ip=$(ipcalc -nmpb $1 | grep NETWORK= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ if [ -z "$provisioner_ip" ]; then
+ return 1
+ fi
+ provisioner_ip=$(increment_ip ${provisioner_ip} 1)
+ echo "$provisioner_ip"
}
##finds the dhcp range available via interface
##params: interface
function find_dhcp_range {
local dhcp_range_start dhcp_range_end interface_ip
+ if [ -z "$1" ]; then
+ return 1
+ fi
interface_ip=$(find_ip $1)
if [ -z "$interface_ip" ]; then
return 1
##params: cidr
function generate_dhcp_range {
local dhcp_range_start dhcp_range_end first_ip
- first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ first_ip=$(ipcalc -nmpb $1 | grep NETWORK= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
if [ -z "$first_ip" ]; then
return 1
fi
+ first_ip=$(increment_ip ${first_ip} 1)
dhcp_range_start=$(increment_ip ${first_ip} 1)
dhcp_range_end=$(increment_ip ${dhcp_range_start} 8)
echo "${dhcp_range_start},${dhcp_range_end}"
##params: interface
function find_introspection_range {
local inspect_range_start inspect_range_end interface_ip
+ if [ -z "$1" ]; then
+ return 1
+ fi
interface_ip=$(find_ip $1)
if [ -z "$interface_ip" ]; then
return 1
##params: cidr
function generate_introspection_range {
local inspect_range_start inspect_range_end first_ip
- first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #first_ip=$(ipcalc -nb $1 | grep HostMin: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ first_ip=$(ipcalc -nmpb $1 | grep NETWORK= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
if [ -z "$first_ip" ]; then
return 1
fi
+ first_ip=$(increment_ip ${first_ip} 1)
inspect_range_start=$(increment_ip ${first_ip} 10)
inspect_range_end=$(increment_ip ${inspect_range_start} 8)
echo "${inspect_range_start},${inspect_range_end}"
}
##finds the floating ip range available via interface
-##uses last 20 IPs of a subnet
+##uses last 20 IPs of a subnet, minus last IP
##params: interface
function find_floating_ip_range {
local float_range_start float_range_end interface_ip subnet_mask
+ if [ -z "$1" ]; then
+ return 1
+ fi
interface_ip=$(find_ip $1)
subnet_mask=$(find_netmask $1)
if [[ -z "$interface_ip" || -z "$subnet_mask" ]]; then
return 1
fi
float_range_end=$(find_last_ip_subnet ${interface_ip} ${subnet_mask})
+ float_range_end=$(subtract_ip ${float_range_end} 1)
float_range_start=$(subtract_ip ${float_range_end} 19)
echo "${float_range_start},${float_range_end}"
}
##generate the floating range available via CIDR
-##uses last 20 IPs of subnet
+##uses last 20 IPs of subnet, minus last IP
##params: cidr
function generate_floating_ip_range {
local float_range_start float_range_end last_ip
- last_ip=$(ipcalc -nb $1 | grep HostMax: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ #last_ip=$(ipcalc -nb $1 | grep HostMax: | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ last_ip=$(ipcalc -nmpb $1 | grep BROADCAST= | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
if [ -z "$last_ip" ]; then
return 1
fi
+ last_ip=$(subtract_ip ${last_ip} 2)
float_range_start=$(subtract_ip ${last_ip} 19)
float_range_end=${last_ip}
echo "${float_range_start},${float_range_end}"
}
+
+##attach interface to OVS and set the network config correctly
+##params: bride to attach to, interface to attach, network type (optional)
+##public indicates attaching to a public interface
+function attach_interface_to_ovs {
+ local bridge interface
+ local if_ip if_mask if_gw if_file ovs_file if_prefix
+
+ if [[ -z "$1" || -z "$2" ]]; then
+ return 1
+ else
+ bridge=$1
+ interface=$2
+ fi
+
+ if ovs-vsctl list-ports ${bridge} | grep ${interface}; then
+ return 0
+ fi
+
+ if_file=/etc/sysconfig/network-scripts/ifcfg-${interface}
+ ovs_file=/etc/sysconfig/network-scripts/ifcfg-${bridge}
+
+ if [ -e "$if_file" ]; then
+ if_ip=$(sed -n 's/^IPADDR=\(.*\)$/\1/p' ${if_file})
+ if_mask=$(sed -n 's/^NETMASK=\(.*\)$/\1/p' ${if_file})
+ if_gw=$(sed -n 's/^GATEWAY=\(.*\)$/\1/p' ${if_file})
+ else
+ echo "ERROR: ifcfg file missing for ${interface}"
+ return 1
+ fi
+
+ if [ -z "$if_mask" ]; then
+ # we can look for PREFIX here, then convert it to NETMASK
+ if_prefix=$(sed -n 's/^PREFIX=\(.*\)$/\1/p' ${if_file})
+ if_mask=$(prefix2mask ${if_prefix})
+ fi
+
+ if [[ -z "$if_ip" || -z "$if_mask" ]]; then
+ echo "ERROR: IPADDR or NETMASK/PREFIX missing for ${interface}"
+ return 1
+ elif [[ -z "$if_gw" && "$3" == "public_network" ]]; then
+ echo "ERROR: GATEWAY missing for ${interface}, which is public"
+ return 1
+ fi
+
+ # move old config file to .orig
+ mv -f ${if_file} ${if_file}.orig
+ echo "DEVICE=${interface}
+DEVICETYPE=ovs
+TYPE=OVSPort
+PEERDNS=no
+BOOTPROTO=static
+NM_CONTROLLED=no
+ONBOOT=yes
+OVS_BRIDGE=${bridge}
+PROMISC=yes" > ${if_file}
+
+ if [ -z ${if_gw} ]; then
+ # create bridge cfg
+ echo "DEVICE=${bridge}
+DEVICETYPE=ovs
+IPADDR=${if_ip}
+NETMASK=${if_mask}
+BOOTPROTO=static
+ONBOOT=yes
+TYPE=OVSBridge
+PROMISC=yes
+PEERDNS=no" > ${ovs_file}
+
+ else
+ echo "DEVICE=${bridge}
+DEVICETYPE=ovs
+IPADDR=${if_ip}
+NETMASK=${if_mask}
+BOOTPROTO=static
+ONBOOT=yes
+TYPE=OVSBridge
+PROMISC=yes
+GATEWAY=${if_gw}
+PEERDNS=no" > ${ovs_file}
+ fi
+
+ sudo systemctl restart network
+}
+
+##detach interface from OVS and set the network config correctly
+##params: bridge to detach from
+##assumes only 1 real interface attached to OVS
+function detach_interface_from_ovs {
+ local bridge
+ local port_output ports_no_orig
+ local net_path
+ local if_ip if_mask if_gw if_prefix
+
+ net_path=/etc/sysconfig/network-scripts/
+ if [[ -z "$1" ]]; then
+ return 1
+ else
+ bridge=$1
+ fi
+
+ # if no interfaces attached then return
+ if ! ovs-vsctl list-ports ${bridge} | grep -Ev "vnet[0-9]*"; then
+ return 0
+ fi
+
+ # look for .orig ifcfg files to use
+ port_output=$(ovs-vsctl list-ports ${bridge} | grep -Ev "vnet[0-9]*")
+ while read -r line; do
+ if [ -z "$line" ]; then
+ continue
+ elif [ -e ${net_path}/ifcfg-${line}.orig ]; then
+ mv -f ${net_path}/ifcfg-${line}.orig ${net_path}/ifcfg-${line}
+ elif [ -e ${net_path}/ifcfg-${bridge} ]; then
+ if_ip=$(sed -n 's/^IPADDR=\(.*\)$/\1/p' ${if_file})
+ if_mask=$(sed -n 's/^NETMASK=\(.*\)$/\1/p' ${if_file})
+ if_gw=$(sed -n 's/^GATEWAY=\(.*\)$/\1/p' ${if_file})
+
+ if [ -z "$if_mask" ]; then
+ if_prefix=$(sed -n 's/^PREFIX=\(.*\)$/\1/p' ${if_file})
+ if_mask=$(prefix2mask ${if_prefix})
+ fi
+
+ if [[ -z "$if_ip" || -z "$if_mask" ]]; then
+ echo "ERROR: IPADDR or PREFIX/NETMASK missing for ${bridge} and no .orig file for interface ${line}"
+ return 1
+ fi
+
+ if [ -z ${if_gw} ]; then
+ # create if cfg
+ echo "DEVICE=${line}
+IPADDR=${if_ip}
+NETMASK=${if_mask}
+BOOTPROTO=static
+ONBOOT=yes
+TYPE=Ethernet
+NM_CONTROLLED=no
+PEERDNS=no" > ${net_path}/ifcfg-${line}
+ else
+ echo "DEVICE=${line}
+IPADDR=${if_ip}
+NETMASK=${if_mask}
+BOOTPROTO=static
+ONBOOT=yes
+TYPE=Ethernet
+NM_CONTROLLED=no
+GATEWAY=${if_gw}
+PEERDNS=no" > ${net_path}/ifcfg-${line}
+ fi
+ break
+ else
+ echo "ERROR: Real interface ${line} attached to bridge, but no interface or ${bridge} ifcfg file exists"
+ return 1
+ fi
+
+ done <<< "$port_output"
+
+ # modify the bridge ifcfg file
+ # to remove IP params
+ sudo sed -i 's/IPADDR=.*//' ${net_path}/ifcfg-${bridge}
+ sudo sed -i 's/NETMASK=.*//' ${net_path}/ifcfg-${bridge}
+ sudo sed -i 's/GATEWAY=.*//' ${net_path}/ifcfg-${bridge}
+
+ sudo systemctl restart network
+}
+
+# Update iptables rule for external network reach internet
+# for virtual deployments
+# params: external_cidr
+function configure_undercloud_nat {
+ local external_cidr
+ if [[ -z "$1" ]]; then
+ return 1
+ else
+ external_cidr=$1
+ fi
+
+ ssh -T ${SSH_OPTIONS[@]} "root@$UNDERCLOUD" <<EOI
+iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s ${external_cidr} -o eth0 -j MASQUERADE
+iptables -A FORWARD -i eth2 -j ACCEPT
+iptables -A FORWARD -s ${external_cidr} -m state --state ESTABLISHED,RELATED -j ACCEPT
+service iptables save
+EOI
+}
Code Review / apex.git / blobdiff