status-go/_assets/scripts/gen_config.sh

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#!/usr/bin/env bash
set -euo pipefail
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
# Settings & defaults
RPC_HOST="${RPC_HOST:-localhost}"
RPC_PORT="${RPC_PORT:-8545}"
LISTEN_PORT="${LISTEN_PORT:-30303}"
API_MODULES="${API_MODULES:-eth,web3,admin}"
MAX_PEERS="${MAX_PEERS:-50}"
DAYS_KEPT="${DAYS_KEPT-30}"
FLEET_NAME="${FLEET_NAME:-eth.prod}"
REGISTER_TOPIC="${REGISTER_TOPIC:-whispermail}"
MAIL_PASSWORD="${MAIL_PASSWORD:-status-offline-inbox}"
DATA_PATH="${DATA_PATH:-/var/tmp/status-go-mail}"
CONFIG_PATH="${CONFIG_PATH:-${DATA_PATH}/config.json}"
if ! [[ -x $(command -v jq) ]]; then
echo "Cannot generate config. jq utility is not installed." >&2
exit 1
fi
if [[ -e "${CONFIG_PATH}" ]]; then
echo "Config already exits: ${CONFIG_PATH}" >&2
echo "Remove it to generate a new one." >&2
exit 0
fi
# Assemble the filter for changing the config JSON
JQ_FILTER_ARRAY=(
".ListenAddr = \"0.0.0.0:${LISTEN_PORT}\""
".HTTPEnabled = true"
".HTTPHost = \"${RPC_HOST}\""
".HTTPPort= ${RPC_PORT}"
".MaxPeers = ${MAX_PEERS}"
".DataDir = \"${DATA_PATH}\""
".APIModules = \"${API_MODULES}\""
".RegisterTopics = [\"${REGISTER_TOPIC}\"]"
".WakuConfig.Enabled = true"
".WakuConfig.EnableMailServer = true"
".WakuConfig.DataDir = \"${DATA_PATH}/waku\""
".WakuConfig.MailServerPassword = \"${MAIL_PASSWORD}\""
".WakuConfig.MailServerDataRetention = ${DAYS_KEPT}"
)
JQ_FILTER=$(printf " | %s" "${JQ_FILTER_ARRAY[@]}")
# make sure config destination exists
mkdir -p "${DATA_PATH}"
echo "Generating config at: ${CONFIG_PATH}"
cat "${GIT_ROOT}/config/cli/fleet-${FLEET_NAME}.json" \
| jq "${JQ_FILTER:3}" > "${CONFIG_PATH}"