Adds external network support for OPNFV

Deploy will now detect and set extra parameters in the ksgen settings
file needed in order to configure an external public network for
Neutron. The new parameters required are as follows:
 -  external_network_flag: "true"
 -  public_gateway:
 -  public_dns:
 -  public_network:
 -  public_subnet:
 -  public_allocation_start:
 -  public_allocation_end:
 -  deployment_type:

public_* parameters are required to create an external network when
external_network_flag is "true".  deployment_type (three_network or
multi_network) is now passed to Foreman.  Foreman decides on this value
whether to configure 3 interfaces as dhcp+onboot or 4.

Change-Id: Ia8af04e82f3854a36adc563c1855d451ddfa9c17
JIRA: BGS-13
Signed-off-by: Tim Rozet <trozet@redhat.com>

2 files changed, 53 insertions, 0 deletions

diff --git a/foreman/ci/deploy.sh b/foreman/ci/deploy.sh
index 3e20fe4..49e71f8 100755
--- a/foreman/ci/deploy.sh
+++ b/foreman/ci/deploy.sh
@@ -51,6 +51,15 @@ function find_subnet {
   printf "%d.%d.%d.%d\n" "$((i1 & m1))" "$((i2 & m2))" "$((i3 & m3))" "$((i4 & m4))"
 }
 
+##increments subnet by a value
+##params: ip, value
+##assumes low value
+function increment_subnet {
+  IFS=. read -r i1 i2 i3 i4 <<< "$1"
+  printf "%d.%d.%d.%d\n" "$i1" "$i2" "$i3" "$((i4 | $2))"
+}
+
+
 ##finds netmask of interface
 ##params: interface
 ##returns long format 255.255.x.x
@@ -312,6 +321,10 @@ for interface in ${output}; do
     private_subnet_mask=$subnet_mask
     private_short_subnet_mask=$(find_short_netmask $interface)
   fi
+  if [ "$if_counter" -eq 2 ]; then
+    public_subnet_mask=$subnet_mask
+    public_short_subnet_mask=$(find_short_netmask $interface)
+  fi
   if [ "$if_counter" -eq 3 ]; then
     storage_subnet_mask=$subnet_mask
   fi
@@ -364,6 +377,7 @@ if route | grep default; then
              sed -i 's/^.*nat_flag =.*$/  nat_flag = true/' Vagrantfile
              echo "${blue}Setting node gateway to be VM Admin IP${reset}"
              node_default_gw=${interface_ip_arr[0]}
+             public_gateway=$default_gw
              ;;
            3)
              echo "${red}Default Gateway Detected on Storage Interface!${reset}"
@@ -422,6 +436,8 @@ elif [[ "$deployment_type" == "multi_network" || "$deployment_type" == "three_ne
     sed -i 's/^.*network_type:.*$/network_type: three_network/' opnfv_ksgen_settings.yml
   fi
 
+  sed -i 's/^.*deployment_type:.*$/  deployment_type: '"$deployment_type"'/' opnfv_ksgen_settings.yml
+
   ##get ip addresses for private network on controllers to make dhcp entries
   ##required for controllers_ip_array global param
   next_private_ip=${interface_ip_arr[1]}
@@ -468,6 +484,9 @@ elif [[ "$deployment_type" == "multi_network" || "$deployment_type" == "three_ne
     fi
   done
 
+  ##replace public_network param
+  public_subnet=$(find_subnet $next_public_ip $public_subnet_mask)
+  sed -i 's/^.*public_network:.*$/  public_network:'" $public_subnet"'/' opnfv_ksgen_settings.yml
   ##replace private_network param
   private_subnet=$(find_subnet $next_private_ip $private_subnet_mask)
   sed -i 's/^.*private_network:.*$/  private_network:'" $private_subnet"'/' opnfv_ksgen_settings.yml
@@ -480,9 +499,35 @@ elif [[ "$deployment_type" == "multi_network" || "$deployment_type" == "three_ne
     sed -i 's/^.*storage_network:.*$/  storage_network:'" $storage_subnet"'/' opnfv_ksgen_settings.yml
   fi
 
+  ##replace public_subnet param
+  public_subnet=$public_subnet'\'$public_short_subnet_mask
+  sed -i 's/^.*public_subnet:.*$/  public_subnet:'" $public_subnet"'/' opnfv_ksgen_settings.yml
   ##replace private_subnet param
   private_subnet=$private_subnet'\'$private_short_subnet_mask
   sed -i 's/^.*private_subnet:.*$/  private_subnet:'" $private_subnet"'/' opnfv_ksgen_settings.yml
+
+  ##replace public_dns param to be foreman server
+  sed -i 's/^.*public_dns:.*$/  public_dns: '${interface_ip_arr[2]}'/' opnfv_ksgen_settings.yml
+
+  ##replace public_gateway
+  if [ -z "$public_gateway" ]; then
+    ##if unset then we assume its the first IP in the public subnet
+    public_subnet=$(find_subnet $next_public_ip $public_subnet_mask)
+    public_gateway=$(increment_subnet $public_subnet 1)
+  fi
+  sed -i 's/^.*public_gateway:.*$/  public_gateway:'" $public_gateway"'/' opnfv_ksgen_settings.yml
+
+  ##we have to define an allocation range of the public subnet to give
+  ##to neutron to use as floating IPs
+  ##we should control this subnet, so this range should work .150-200
+  ##but generally this is a bad idea and we are assuming at least a /24 subnet here
+  public_subnet=$(find_subnet $next_public_ip $public_subnet_mask)
+  public_allocation_start=$(increment_subnet $public_subnet 150)
+  public_allocation_end=$(increment_subnet $public_subnet 200)
+
+  sed -i 's/^.*public_allocation_start:.*$/  public_allocation_start:'" $public_allocation_start"'/' opnfv_ksgen_settings.yml
+  sed -i 's/^.*public_allocation_end:.*$/  public_allocation_end:'" $public_allocation_end"'/' opnfv_ksgen_settings.yml
+
 else
   printf '%s\n' 'deploy.sh: Unknown network type: $deployment_type' >&2
   exit 1
diff --git a/foreman/ci/inventory/lf_pod2_ksgen_settings.yml b/foreman/ci/inventory/lf_pod2_ksgen_settings.yml
index ff6e3e0..72935c9 100644
--- a/foreman/ci/inventory/lf_pod2_ksgen_settings.yml
+++ b/foreman/ci/inventory/lf_pod2_ksgen_settings.yml
@@ -34,6 +34,14 @@ global_params:
   nova_admin_vip:
   nova_private_vip:
   nova_public_vip:
+  external_network_flag: "true"
+  public_gateway:
+  public_dns:
+  public_network:
+  public_subnet:
+  public_allocation_start:
+  public_allocation_end:
+  deployment_type:
 network_type: multi_network
 default_gw:
 foreman: