diff options
| -rwxr-xr-x | foreman/ci/deploy.sh | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/foreman/ci/deploy.sh b/foreman/ci/deploy.sh index d027779..a05b3de 100755 --- a/foreman/ci/deploy.sh +++ b/foreman/ci/deploy.sh @@ -78,6 +78,31 @@ function find_subnet { printf "%d.%d.%d.%d\n" "$((i1 & m1))" "$((i2 & m2))" "$((i3 & m3))" "$((i4 & m4))" } +##verify subnet has at least n IPs +##params: subnet mask, n IPs +function verify_subnet_size { + IFS=. read -r i1 i2 i3 i4 <<< "$1" + num_ips_required=$2 + + ##this function assumes you would never need more than 254 + ##we check here to make sure + if [ "$num_ips_required" -ge 254 ]; then + echo -e "\n\n${red}ERROR: allocating more than 254 IPs is unsupported...Exiting${reset}\n\n" + return 1 + fi + + ##we just return if 3rd octet is not 255 + ##because we know the subnet is big enough + if [ "$i3" -ne 255 ]; then + return 0 + elif [ $((254-$i4)) -ge "$num_ips_required" ]; then + return 0 + else + echo -e "\n\n${red}ERROR: Subnet is too small${reset}\n\n" + return 1 + fi +} + ##finds last usable ip (broadcast minus 1) of a subnet from an IP and netmask ## Warning: This function only works for IPv4 at the moment. ##params: ip, netmask @@ -454,6 +479,11 @@ configure_network() { public_subnet_mask=$subnet_mask public_short_subnet_mask=$(find_short_netmask $interface) + if ! verify_subnet_size $public_subnet_mask 25; then + echo "${red} Not enough IPs in public subnet: $interface_ip_arr[2] ${public_subnet_mask}. Need at least 25 IPs. Please resize subnet! Exiting ${reset}" + exit 1 + fi + ##set that interface to be public sed -i 's/^.*eth_replace2.*$/ config.vm.network "public_network", ip: '\""$new_ip"\"', bridge: '\'"$interface"\'', netmask: '\""$subnet_mask"\"'/' Vagrantfile if_counter=1 @@ -478,14 +508,34 @@ configure_network() { subnet_mask=$(find_netmask $interface) if [ "$if_counter" -eq 0 ]; then admin_subnet_mask=$subnet_mask + if ! verify_subnet_size $admin_subnet_mask 5; then + echo "${red} Not enough IPs in admin subnet: ${interface_ip_arr[$if_counter]} ${admin_subnet_mask}. Need at least 5 IPs. Please resize subnet! Exiting ${reset}" + exit 1 + fi + elif [ "$if_counter" -eq 1 ]; then private_subnet_mask=$subnet_mask private_short_subnet_mask=$(find_short_netmask $interface) + + if ! verify_subnet_size $private_subnet_mask 15; then + echo "${red} Not enough IPs in private subnet: ${interface_ip_arr[$if_counter]} ${private_subnet_mask}. Need at least 15 IPs. Please resize subnet! Exiting ${reset}" + exit 1 + fi elif [ "$if_counter" -eq 2 ]; then public_subnet_mask=$subnet_mask public_short_subnet_mask=$(find_short_netmask $interface) + + if ! verify_subnet_size $public_subnet_mask 25; then + echo "${red} Not enough IPs in public subnet: ${interface_ip_arr[$if_counter]} ${public_subnet_mask}. Need at least 25 IPs. Please resize subnet! Exiting ${reset}" + exit 1 + fi elif [ "$if_counter" -eq 3 ]; then storage_subnet_mask=$subnet_mask + + if ! verify_subnet_size $storage_subnet_mask 10; then + echo "${red} Not enough IPs in storage subnet: ${interface_ip_arr[$if_counter]} ${storage_subnet_mask}. Need at least 10 IPs. Please resize subnet! Exiting ${reset}" + exit 1 + fi else echo "${red}ERROR: interface counter outside valid range of 0 to 3: $if_counter ! ${reset}" exit 1 |