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import cloudflare load-balancers to terraform
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‎resources/terraform/cloudflare-lbs/backend.tf‎

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terraform {
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cloud {
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organization = "subspace-sre"
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workspaces {
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name = "cloudflare-load-balancers"
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}
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}
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}

‎resources/terraform/cloudflare-lbs/imports.sh‎

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#!/bin/bash
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# This script imports Cloudflare Load Balancer resources into Terraform state.
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# Import RPC Mainnet Health Check
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terraform import cloudflare_load_balancer_monitor.rpc_mainnet_health_check a0c2610e19310a13e355eb50fe041a97/80e2b143f1b4553b05c54f5de582427d
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# Import RPC Taurus Health Check
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terraform import cloudflare_load_balancer_monitor.rpc_taurus_health_check a0c2610e19310a13e355eb50fe041a97/d4169f7b3fe896287bc127191c03bd62
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# Import RPC Taurus EVM Health Check
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terraform import cloudflare_load_balancer_monitor.rpc_taurus_evm_health_check a0c2610e19310a13e355eb50fe041a97/c22a1414ec304fb46d37f95bac2b731a
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# Import Mainnet-RPC pool
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terraform import cloudflare_load_balancer_pool.mainnet_rpc a0c2610e19310a13e355eb50fe041a97/0e3fdc24211b5a232023db3fc68002bd
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# Import Taurus-RPC pool
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terraform import cloudflare_load_balancer_pool.taurus_rpc a0c2610e19310a13e355eb50fe041a97/488cd954504a0285f6e347417363062f
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# Import Taurus-RPC-EVM pool
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terraform import cloudflare_load_balancer_pool.taurus_rpc_evm a0c2610e19310a13e355eb50fe041a97/004df046e23db27f92a16ccb9cc50e30
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# Import Taurus-RPC-EVM-Fallback pool
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terraform import cloudflare_load_balancer_pool.taurus_rpc_evm_fallback a0c2610e19310a13e355eb50fe041a97/ff295017c1ab46525b24fcde5b00eed1
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# Import auto-evm-lb.taurus.autonomys.xyz
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terraform import cloudflare_load_balancer.auto_evm_lb_taurus c2b6ccca486f046dac214ee6eaa8295a/4a7e075cae7abf7e9d70d6e27abccac1
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# Import rpc-lb.mainnet.autonomys.xyz
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terraform import cloudflare_load_balancer.rpc_lb_mainnet c2b6ccca486f046dac214ee6eaa8295a/f38ef4ef1fc28508c2004f9756635ea1
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# Import rpc-lb.taurus.autonomys.xyz
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terraform import cloudflare_load_balancer.rpc_lb_taurus c2b6ccca486f046dac214ee6eaa8295a/0babbfbb55a1a2f18dcc15cd66554f5c

‎resources/terraform/cloudflare-lbs/main.tf‎

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# Cloudflare Provider Configuration
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terraform {
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required_providers {
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cloudflare = {
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source = "cloudflare/cloudflare"
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version = "~> 4.0"
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}
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}
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}
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provider "cloudflare" {
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api_token = var.cloudflare_api_token
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}
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# =============================================================================
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# MONITORS (Import these first)
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# =============================================================================
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# Monitor 1: RPC Mainnet Health Check
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resource "cloudflare_load_balancer_monitor" "rpc_mainnet_health_check" {
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account_id = var.cloudflare_account_id
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type = "tcp"
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port = 30333
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interval = 60
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retries = 2
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timeout = 5
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method = "connection_established"
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description = "RPC Mainnet Health Check"
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}
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# Monitor 2: RPC Taurus Health Check
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resource "cloudflare_load_balancer_monitor" "rpc_taurus_health_check" {
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account_id = var.cloudflare_account_id
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type = "tcp"
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port = 30333
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interval = 60
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retries = 2
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timeout = 5
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method = "connection_established"
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description = "RPC Taurus Health Check"
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}
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# Monitor 3: RPC Taurus EVM Health Check
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resource "cloudflare_load_balancer_monitor" "rpc_taurus_evm_health_check" {
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account_id = var.cloudflare_account_id
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type = "tcp"
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port = 30333
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interval = 60
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retries = 2
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timeout = 5
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method = "connection_established"
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description = "RPC Taurus EVM Health Check"
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}
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# =============================================================================
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# POOLS (Import these second)
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# =============================================================================
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# Pool 1: Mainnet-RPC
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resource "cloudflare_load_balancer_pool" "mainnet_rpc" {
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account_id = var.cloudflare_account_id
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name = "Mainnet-RPC"
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description = "Mainnet RPC"
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enabled = true
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minimum_origins = 2
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monitor = cloudflare_load_balancer_monitor.rpc_mainnet_health_check.id
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check_regions = ["ENAM"]
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origins {
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name = "rpc-0.mainnet"
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address = "54.82.252.177"
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enabled = true
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weight = 0.5
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}
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origins {
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name = "rpc-1.mainnet"
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address = "52.90.85.214"
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enabled = true
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weight = 0.5
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}
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}
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# Pool 2: Taurus-RPC
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resource "cloudflare_load_balancer_pool" "taurus_rpc" {
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account_id = var.cloudflare_account_id
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name = "Taurus-RPC"
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description = ""
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enabled = true
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minimum_origins = 2
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monitor = cloudflare_load_balancer_monitor.rpc_taurus_health_check.id
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check_regions = ["WEU"]
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origin_steering {
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policy = "random"
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}
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origins {
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name = "rpc-0-taurus"
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address = "52.91.1.29"
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enabled = true
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weight = 0.5
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}
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origins {
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name = "rpc-1-taurus"
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address = "174.129.155.116"
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enabled = true
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weight = 0.5
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}
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}
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# Pool 3: Taurus-RPC-EVM
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resource "cloudflare_load_balancer_pool" "taurus_rpc_evm" {
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account_id = var.cloudflare_account_id
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name = "Taurus-RPC-EVM"
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description = ""
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enabled = true
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minimum_origins = 1
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monitor = cloudflare_load_balancer_monitor.rpc_taurus_evm_health_check.id
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check_regions = ["WNAM"]
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origin_steering {
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policy = "random"
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}
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origins {
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name = "auto-evm-1"
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address = "18.234.222.92"
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enabled = true
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weight = 0.5
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}
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origins {
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name = "auto-evm-3"
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address = "65.108.232.15"
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enabled = false
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weight = 0.5
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}
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}
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# Pool 4: Taurus-RPC-EVM-Fallback
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resource "cloudflare_load_balancer_pool" "taurus_rpc_evm_fallback" {
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account_id = var.cloudflare_account_id
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name = "Taurus-RPC-EVM-Fallback"
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description = "Taurus Auto-EVM RPC LB"
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enabled = true
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minimum_origins = 1
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monitor = cloudflare_load_balancer_monitor.rpc_taurus_evm_health_check.id
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check_regions = ["WNAM"]
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origins {
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name = "auto-evm-0"
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address = "34.238.40.85"
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enabled = true
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weight = 0.25
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}
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origins {
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name = "auto-evm-2"
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address = "65.108.232.16"
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enabled = false
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weight = 0.75
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}
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}
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# =============================================================================
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# LOAD BALANCERS (Import these last)
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# =============================================================================
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# Load Balancer 1: auto-evm-lb.taurus.autonomys.xyz
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resource "cloudflare_load_balancer" "auto_evm_lb_taurus" {
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zone_id = var.cloudflare_zone_id
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name = "auto-evm-lb.taurus.autonomys.xyz"
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description = ""
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proxied = true
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enabled = true
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session_affinity = "none"
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steering_policy = "random"
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fallback_pool_id = cloudflare_load_balancer_pool.taurus_rpc_evm_fallback.id
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default_pool_ids = [
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cloudflare_load_balancer_pool.taurus_rpc_evm.id,
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cloudflare_load_balancer_pool.taurus_rpc_evm_fallback.id
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]
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session_affinity_attributes {
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samesite = "Auto"
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secure = "Auto"
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drain_duration = 180
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zero_downtime_failover = "sticky"
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}
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adaptive_routing {
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failover_across_pools = true
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}
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random_steering {
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default_weight = 1
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}
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location_strategy {
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prefer_ecs = "proximity"
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mode = "pop"
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}
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}
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# Load Balancer 2: rpc-lb.mainnet.autonomys.xyz
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resource "cloudflare_load_balancer" "rpc_lb_mainnet" {
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zone_id = var.cloudflare_zone_id
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name = "rpc-lb.mainnet.autonomys.xyz"
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description = "Mainnet RPC consensus load-balancer"
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proxied = true
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enabled = true
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session_affinity = "none"
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steering_policy = "random"
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fallback_pool_id = cloudflare_load_balancer_pool.mainnet_rpc.id
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default_pool_ids = [
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cloudflare_load_balancer_pool.mainnet_rpc.id
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]
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session_affinity_attributes {
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samesite = "Auto"
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secure = "Auto"
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drain_duration = 0
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zero_downtime_failover = "none"
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}
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adaptive_routing {
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failover_across_pools = false
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}
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random_steering {
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default_weight = 1
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}
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location_strategy {
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prefer_ecs = "proximity"
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mode = "pop"
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}
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}
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# Load Balancer 3: rpc-lb.taurus.autonomys.xyz
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resource "cloudflare_load_balancer" "rpc_lb_taurus" {
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zone_id = var.cloudflare_zone_id
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name = "rpc-lb.taurus.autonomys.xyz"
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description = ""
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proxied = true
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enabled = true
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session_affinity = "ip_cookie"
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session_affinity_ttl = 259200
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steering_policy = "random"
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fallback_pool_id = cloudflare_load_balancer_pool.taurus_rpc.id
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default_pool_ids = [
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cloudflare_load_balancer_pool.taurus_rpc.id
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]
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session_affinity_attributes {
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samesite = "Auto"
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secure = "Auto"
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drain_duration = 3600
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zero_downtime_failover = "sticky"
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}
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adaptive_routing {
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failover_across_pools = false
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}
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random_steering {
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default_weight = 1
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}
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location_strategy {
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prefer_ecs = "proximity"
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mode = "pop"
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}
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}

‎resources/terraform/cloudflare-lbs/terraform.tfvars.example‎

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cloudflare_api_token = "api_token_here"
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cloudflare_zone_id = "zone_id_here"
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cloudflare_account_id = "account_id_here"

‎resources/terraform/cloudflare-lbs/variables.tf‎

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# Variables
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variable "cloudflare_api_token" {
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description = "Cloudflare API Token"
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type = string
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sensitive = true
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}
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variable "cloudflare_account_id" {
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description = "Cloudflare Account ID"
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type = string
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}
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variable "cloudflare_zone_id" {
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description = "Cloudflare Zone ID"
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type = string
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}

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