Adds NAT capability and other fixes for deploy.sh

Dynamically detects if Admin network interface does not have internet
access.  If not, then the VM sets up NAT to the public interface so that
nodes may PXE boot over the Admin network and download packages during
install.  Also contains other various fixes.

JIRA: BGS-31

Change-Id: I551e0f73e349890e643f477b6b4ac7b3dc84c605
Signed-off-by: Tim Rozet <trozet@redhat.com>

1 files changed, 48 insertions, 6 deletions

diff --git a/foreman/ci/deploy.sh b/foreman/ci/deploy.sh
index 49e1590..ae585b0 100755
--- a/foreman/ci/deploy.sh
+++ b/foreman/ci/deploy.sh
@@ -24,6 +24,7 @@ blue=`tput setaf 4`
 red=`tput setaf 1`
 green=`tput setaf 2`
 
+declare -A interface_arr
 ##END VARS
 
 ##FUNCTIONS
@@ -206,6 +207,14 @@ else
   printf '%s\n' 'deploy.sh: Skipping kernel module for virtualbox.  Already Installed'
 fi
 
+##install Ansible
+if ! yum list installed | grep -i ansible; then
+  if ! yum -y install ansible; then
+    printf '%s\n' 'deploy.sh: Unable to install Ansible package' >&2
+    exit 1
+  fi
+fi
+
 ##install Vagrant
 if ! rpm -qa | grep vagrant; then
   if ! rpm -Uvh https://dl.bintray.com/mitchellh/vagrant/vagrant_1.7.2_x86_64.rpm; then
@@ -252,7 +261,7 @@ cd bgs_vagrant
 echo "${blue}Detecting network configuration...${reset}"
 ##detect host 1 or 3 interface configuration
 #output=`ip link show | grep -E "^[0-9]" | grep -Ev ": lo|tun|virbr|vboxnet" | awk '{print $2}' | sed 's/://'`
-output=`ifconfig | grep -E "^[a-Z0-9]+:"| grep -Ev "lo|tun|virbr|vboxnet:" | awk '{print $1}' | sed 's/://'`
+output=`ifconfig | grep -E "^[a-zA-Z0-9]+:"| grep -Ev "lo|tun|virbr|vboxnet" | awk '{print $1}' | sed 's/://'`
 
 if [ ! "$output" ]; then
   printf '%s\n' 'deploy.sh: Unable to detect interfaces to bridge to' >&2
@@ -274,6 +283,7 @@ for interface in ${output}; do
   if [ ! "$new_ip" ]; then
     continue
   fi
+  interface_arr[$interface]=$if_counter
   interface_ip_arr[$if_counter]=$new_ip
   subnet_mask=$(find_netmask $interface)
   if [ "$if_counter" -eq 1 ]; then
@@ -310,15 +320,47 @@ fi
 echo "${blue}Network detected: ${deployment_type}! ${reset}"
 
 if route | grep default; then
-  defaultgw=$(route | grep default | awk '{print $2}')
-  echo "${blue}Default gateway detected: $defaultgw ${reset}"
-  sed -i 's/^.*default_gw =.*$/  default_gw = '\""$defaultgw"\"'/' Vagrantfile
+  echo "${blue}Default Gateway Detected ${reset}"
+  host_default_gw=$(ip route | grep default | awk '{print $3}')
+  echo "${blue}Default Gateway: $host_default_gw ${reset}"
+  default_gw_interface=$(ip route get $host_default_gw | awk '{print $3}')
+  case "${interface_arr[$default_gw_interface]}" in
+           0)
+             echo "${blue}Default Gateway Detected on Admin Interface!${reset}"
+             sed -i 's/^.*default_gw =.*$/  default_gw = '\""$host_default_gw"\"'/' Vagrantfile
+             node_default_gw=$host_default_gw
+             ;;
+           1)
+             echo "${red}Default Gateway Detected on Private Interface!${reset}"
+             echo "${red}Private subnet should be private and not have Internet access!${reset}"
+             exit 1
+             ;;
+           2)
+             echo "${blue}Default Gateway Detected on Public Interface!${reset}"
+             sed -i 's/^.*default_gw =.*$/  default_gw = '\""$host_default_gw"\"'/' Vagrantfile
+             echo "${blue}Will setup NAT from Admin -> Public Network on VM!${reset}"
+             sed -i 's/^.*nat_flag =.*$/  nat_flag = true/' Vagrantfile
+             echo "${blue}Setting node gateway to be VM Admin IP${reset}"
+             node_default_gw=${interface_ip_arr[0]}
+             ;;
+           3)
+             echo "${red}Default Gateway Detected on Storage Interface!${reset}"
+             echo "${red}Storage subnet should be private and not have Internet access!${reset}"
+             exit 1
+             ;;
+           *)
+             echo "${red}Unable to determine which interface default gateway is on..Exiting!${reset}"
+             exit 1
+             ;;
+  esac
 else
-  defaultgw=`echo ${interface_arr_ip[0]} | cut -d. -f1-3`
+  #assumes 24 bit mask
+  defaultgw=`echo ${interface_ip_arr[0]} | cut -d. -f1-3`
   firstip=.1
   defaultgw=$defaultgw$firstip
   echo "${blue}Unable to find default gateway.  Assuming it is $defaultgw ${reset}"
   sed -i 's/^.*default_gw =.*$/  default_gw = '\""$defaultgw"\"'/' Vagrantfile
+  node_default_gw=$defaultgw
 fi
 
 if [ $base_config ]; then
@@ -339,7 +381,7 @@ echo "${blue}Gathering network parameters for Target System...this may take a fe
 ##if single node deployment all the variables will have the same ip
 ##interface names will be enp0s3, enp0s8, enp0s9 in chef/centos7
 
-sed -i 's/^.*default_gw:.*$/default_gw:'" $defaultgw"'/' opnfv_ksgen_settings.yml
+sed -i 's/^.*default_gw:.*$/default_gw:'" $node_default_gw"'/' opnfv_ksgen_settings.yml
 
 ##replace private interface parameter
 ##private interface will be of hosts, so we need to know the provisioned host interface name