Nodes connections address update from route53 script

Author: kompotkot

scripts/nodes-connections.bash

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+#
+# Update nodes connection address environment variables 
+# from AWS Route53 internal hosted zone
+
+# Colors
+C_RESET='\033[0m'
+C_RED='\033[1;31m'
+C_GREEN='\033[1;32m'
+C_YELLOW='\033[1;33m'
+
+# Logs
+PREFIX_INFO="${C_GREEN}[INFO]${C_RESET} [$(date +%d-%m\ %T)]"
+PREFIX_WARN="${C_YELLOW}[WARN]${C_RESET} [$(date +%d-%m\ %T)]"
+PREFIX_CRIT="${C_RED}[CRIT]${C_RESET} [$(date +%d-%m\ %T)]"
+
+# Print help message
+function usage {
+  echo "Usage: $0 [-h] -p PRODUCT -f FILEPATH"  
+  echo
+  echo "CLI to update nodes connection address environment 
+  variables from AWS Route53 internal hosted zone"
+  echo
+  echo "Optional arguments:"
+  echo "  -h  Show this help message and exit"
+  echo "  -f  File path where environment variables update at"
+}
+
+file_flag=""
+verbose_flag="false"
+
+while getopts 'f:v' flag; do
+  case "${flag}" in
+    f) file_flag="${OPTARG}" ;;
+    h) usage
+      exit 1 ;;
+    v) verbose_flag="true" ;;
+    *) usage
+      exit 1 ;;
+  esac
+done
+
+# Log messages
+function verbose {
+  if [ "${verbose_flag}" == "true" ]; then
+    echo -e "$1"
+  fi
+}
+
+# File flag should be specified
+if [ -z "${file_flag}" ]; then
+  verbose "${PREFIX_CRIT} Please specify file path"
+  usage
+  exit 1
+fi
+
+if [ ! -f "${file_flag}" ]; then
+  verbose "${PREFIX_CRIT} Provided file does not exist"
+  usage
+  exit 1
+fi
+
+verbose "${PREFIX_INFO} Source environment variables"
+. ${file_flag}
+
+verbose "${PREFIX_INFO} Retrieving Ethereum node address and port"
+RETRIEVED_NODE_ETHEREUM_IPC_ADDR=$(aws route53 list-resource-record-sets --hosted-zone-id "${MOONSTREAM_INTERNAL_HOSTED_ZONE_ID}" --query "ResourceRecordSets[?Name == '${MOONSTREAM_ETHEREUM_WEB3_PROVIDER_URI}.'].ResourceRecords[].Value" | jq -r .[0])
+
+if [ "$RETRIEVED_NODE_ETHEREUM_IPC_ADDR" == "null" ]; then
+  verbose "${PREFIX_CRIT} Ethereum node address is null"
+  exit 1
+fi
+
+verbose "${PREFIX_INFO} Updating MOONSTREAM_NODE_ETHEREUM_IPC_ADDR"
+# TODO(kompotkot): Modify regexp to work with export prefix
+sed -i "s|^MOONSTREAM_NODE_ETHEREUM_IPC_ADDR=.*|MOONSTREAM_NODE_ETHEREUM_IPC_ADDR=\"$RETRIEVED_NODE_ETHEREUM_IPC_ADDR\"|" ${file_flag}
+