Parameterize vpc name

cluster/aws/config-default.sh

@@ -65,6 +65,7 @@ EXTRA_DOCKER_OPTS="${EXTRA_DOCKER_OPTS:-}"
 
 INSTANCE_PREFIX="${KUBE_AWS_INSTANCE_PREFIX:-kubernetes}"
 CLUSTER_ID=${INSTANCE_PREFIX}
+VPC_NAME=${VPC_NAME:-kubernetes-vpc}
 AWS_SSH_KEY=${AWS_SSH_KEY:-$HOME/.ssh/kube_aws_rsa}
 CONFIG_CONTEXT="${KUBE_CONFIG_CONTEXT:-aws_${INSTANCE_PREFIX}}"
 IAM_PROFILE_MASTER="kubernetes-master"

cluster/aws/util.sh

@@ -136,7 +136,7 @@ fi
 # TODO (bburns) Parameterize this for multiple cluster per project
 function get_vpc_id {
   $AWS_CMD describe-vpcs \
-           --filters Name=tag:Name,Values=kubernetes-vpc \
+           --filters Name=tag:Name,Values=${VPC_NAME} \
                      Name=tag:KubernetesCluster,Values=${CLUSTER_ID} \
            --query Vpcs[].VpcId
 }
@@ -819,7 +819,7 @@ function vpc-setup {
 	  VPC_ID=$($AWS_CMD create-vpc --cidr-block ${VPC_CIDR} --query Vpc.VpcId)
 	  $AWS_CMD modify-vpc-attribute --vpc-id $VPC_ID --enable-dns-support '{"Value": true}' > $LOG
 	  $AWS_CMD modify-vpc-attribute --vpc-id $VPC_ID --enable-dns-hostnames '{"Value": true}' > $LOG
-	  add-tag $VPC_ID Name kubernetes-vpc
+	  add-tag $VPC_ID Name ${VPC_NAME}
 	  add-tag $VPC_ID KubernetesCluster ${CLUSTER_ID}
   fi