Parameter extractor

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}
+

scripts/parameters.bash

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+#
+# Collect secrets from AWS SSM Parameter Store and output as environment variable exports.
+
+# 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: $0 [-h] -p PRODUCT -o OUTPUT"  
+  echo
+  echo "CLI to collect secrets from AWS SSM Parameter Store 
+and output as environment variable exports"
+  echo
+  echo "Optional arguments:"
+  echo "  -h  Show this help message and exit"
+  echo "  -p  Product tag (moonstream, spire, brood, drones)"
+  echo "  -o  Output file name environment variables export to"
+}
+
+# TODO(kompotkot): Flag for export prefix
+product_flag=""
+output_flag=""
+verbose_flag="false"
+
+while getopts 'p:o:v' flag; do
+  case "${flag}" in
+    p) product_flag="${OPTARG}" ;;
+    o) output_flag="${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 "$1"
+  fi
+}
+
+# Product flag should be specified
+# TODO(kompotkot): Extend script to work with few product at once
+if [ -z "${product_flag}" ]; then
+  verbose "${PREFIX_CRIT} Please specify product tag"
+  usage
+  exit 1
+fi
+
+verbose "${PREFIX_INFO} Retrieving deployment parameters with tag ${C_GREEN}Product:${product_flag}${C_RESET}"
+ENV_PARAMETERS=$(aws ssm describe-parameters \
+  --parameter-filters Key=tag:Product,Values=${product_flag} \
+  | jq -r .Parameters[].Name)
+if [ -z "${ENV_PARAMETERS}" ]; then
+  verbose "${PREFIX_CRIT} There no parameters for provided product tag"
+  exit 1
+fi
+
+verbose "${PREFIX_INFO} Retrieving parameters values"
+ENV_PARAMETERS_VALUES=$(aws ssm get-parameters \
+  --names ${ENV_PARAMETERS} \
+  --query "Parameters[*].{Name:Name,Value:Value}")
+ENV_PARAMETERS_VALUES_LENGTH=$(echo ${ENV_PARAMETERS_VALUES} | jq length)
+verbose "${PREFIX_INFO} Extracted ${ENV_PARAMETERS_VALUES_LENGTH} parameters"
+for i in $(seq 0 $((${ENV_PARAMETERS_VALUES_LENGTH} - 1))); do
+  param_key=$(echo ${ENV_PARAMETERS_VALUES} | jq -r .[$i].Name)
+  param_value=$(echo ${ENV_PARAMETERS_VALUES} | jq .[$i].Value)
+  if [ -z "${output_flag}" ]; then
+    echo "${param_key}=${param_value}"
+  else
+    echo "${param_key}=${param_value}" >> "${output_flag}"
+  fi
+done