add consul bootstrap script

consul-bootstrap.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# Hashicorp Consul bootstrap script
+# Params:
+#   server       : if present, bootstraps a server
+#   bind         : bind interface address
+#   server-ip    : server ip address
+
+# create directory if doesn't exist and set permissions
+mkdir -p /opt/consul/{config, data} && chmod 700 /opt/consul
+
+# parameter setup
+consulopts="-config-dir=/opt/consul/config -data-dir=/opt/consul/data"
+consultype="client"
+
+# read parameters
+while [[ "$#" -gt 0 ]]
+do
+  case $1 in
+    -server)
+      consulopts+="-server "
+      consultype="server"
+      ;;
+    -bind)
+      consulopts+="-bind=$2 "
+      ;;
+    -server-ip)
+      consulopts+="-retry-join=$2 "
+      ;;
+  esac
+  shift
+done
+
+printf "initializing consul $consultype with following options: \n%s\n" "$consulopts"
+
+consul=$(which consul)
+$consul $consulopts