Fix chain map and counts

main/variables.tf

@@ -33,9 +33,11 @@ variable "root_block_size" {
   default     = 8
 }
 
-variable "chain" {
+variable "chains" {
   description = "A map of chain names to urls"
-  default = "sokol"
+  default = {
+    "sokol" = "https://sokol.poa.network"
+  }
 }
 
 variable "chain_jsonrpc_variant" {
@@ -43,11 +45,6 @@ variable "chain_jsonrpc_variant" {
   default = "parity"
 }
 
-variable "chain_ethereum_url" {
-  description = "The base RPC endpoint for the chain"
-  default = "https://sokol.poa.network"
-}
-
 variable "chain_trace_endpoint" {
   description = "A RPC tracing RPC endpoint"
   default = "https://sokol-trace.poa.network"

modules/stack/config.tf

@@ -1,169 +1,198 @@
 resource "aws_ssm_parameter" "new_relic_app_name" {
-  name  = "/${var.prefix}/${var.chain}/new_relic_app_name"
+  count = "${var.new_relic_app_name == "" ? 0 : length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/new_relic_app_name"
   value = "${var.new_relic_app_name}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "new_relic_license_key" {
-  name  = "/${var.prefix}/${var.chain}/new_relic_license_key"
+  count = "${var.new_relic_license_key == "" ? 0 : length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/new_relic_license_key"
   value = "${var.new_relic_license_key}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "pool_size" {
-  name  = "/${var.prefix}/${var.chain}/pool_size"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/pool_size"
   value = "10"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "ecto_use_ssl" {
-  name  = "/${var.prefix}/${var.chain}/ecto_use_ssl"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/ecto_use_ssl"
   value = "false"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "ethereum_jsonrpc_variant" {
-  name  = "/${var.prefix}/${var.chain}/ethereum_jsonrpc_variant"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/ethereum_jsonrpc_variant"
   value = "${var.chain_jsonrpc_variant}"
   type  = "String"
 }
 resource "aws_ssm_parameter" "ethereum_url" {
-  name  = "/${var.prefix}/${var.chain}/ethereum_url"
+  count = "${length(var.chains)}"
-  value = "${var.chain_ethereum_url}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/ethereum_url"
+  value = "${element(values(var.chains),count.index)}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "trace_url" {
-  name  = "/${var.prefix}/${var.chain}/trace_url"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/trace_url"
   value = "${var.chain_trace_endpoint}"
   type  = "String"
 }
 resource "aws_ssm_parameter" "ws_url" {
-  name  = "/${var.prefix}/${var.chain}/ws_url"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/ws_url"
   value = "${var.chain_ws_endpoint}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "logo" {
-  name  = "/${var.prefix}/${var.chain}/logo"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/logo"
   value = "${var.chain_logo}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "check_origin" {
-  name  = "/${var.prefix}/${var.chain}/check_origin"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/check_origin"
   value = "${var.chain_check_origin}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "coin" {
-  name  = "/${var.prefix}/${var.chain}/coin"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/coin"
   value = "${var.chain_coin}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "network" {
-  name  = "/${var.prefix}/${var.chain}/network"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/network"
   value = "${var.chain_network}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "subnetwork" {
-  name  = "/${var.prefix}/${var.chain}/subnetwork"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/subnetwork"
   value = "${var.chain_subnetwork}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "network_path" {
-  name  = "/${var.prefix}/${var.chain}/network_path"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/network_path"
   value = "${var.chain_network_path}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "subnetwork_path" {
-  name  = "/${var.prefix}/${var.chain}/subnetwork_path"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/subnetwork_path"
   value = "${var.chain_subnetwork_path}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "network_icon" {
-  name  = "/${var.prefix}/${var.chain}/network_icon"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/network_icon"
   value = "${var.chain_network_icon}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "exq_blocks_concurrency" {
-  name  = "/${var.prefix}/${var.chain}/exq_blocks_concurrency"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/exq_blocks_concurrency"
   value = "1"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "exq_concurrency" {
-  name  = "/${var.prefix}/${var.chain}/exq_concurrency"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/exq_concurrency"
   value = "1"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "exq_internal_transactions_concurrency" {
-  name  = "/${var.prefix}/${var.chain}/exq_internal_transactions_concurrency"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/exq_internal_transactions_concurrency"
   value = "1"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "exq_receipts_concurrency" {
-  name  = "/${var.prefix}/${var.chain}/exq_receipts_concurrency"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/exq_receipts_concurrency"
   value = "1"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "exq_transactions_concurrency" {
-  name  = "/${var.prefix}/${var.chain}/exq_transactions_concurrency"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/exq_transactions_concurrency"
   value = "1"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "secret_key_base" {
-  name  = "/${var.prefix}/${var.chain}/secret_key_base"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/secret_key_base"
   value = "${var.secret_key_base}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "port" {
-  name  = "/${var.prefix}/${var.chain}/port"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/port"
   value = "4000"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "db_username" {
-  name  = "/${var.prefix}/${var.chain}/db_username"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/db_username"
   value = "${var.db_username}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "db_password" {
-  name  = "/${var.prefix}/${var.chain}/db_password"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/db_password"
   value = "${var.db_password}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "db_host" {
-  name  = "/${var.prefix}/${var.chain}/db_host"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/db_host"
   value = "${aws_route53_record.db.fqdn}"
   type  = "String"
 }
 
 resource "aws_ssm_parameter" "db_port" {
-  name  = "/${var.prefix}/${var.chain}/db_port"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/db_port"
   value = "${aws_db_instance.default.port}"
   type  = "String"
 }
 resource "aws_ssm_parameter" "alb_ssl_policy" {
-  name  = "/${var.prefix}/${var.chain}/alb_ssl_policy"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/alb_ssl_policy"
   value = "${var.alb_ssl_policy}"
   type  = "String"
 }
 resource "aws_ssm_parameter" "alb_certificate_arn" {
-  name  = "/${var.prefix}/${var.chain}/alb_certificate_arn"
+  count = "${length(var.chains)}"
+  name  = "/${var.prefix}/${element(keys(var.chains),count.index)}/alb_certificate_arn"
   value = "${var.alb_certificate_arn}"
   type  = "String"
 }

modules/stack/deploy.tf

@@ -12,7 +12,7 @@ resource "aws_codedeploy_app" "explorer" {
 }
 
 resource "aws_codedeploy_deployment_group" "explorer" {
-  count                 = 1
+  count                 = "${length(var.chains)}"
   app_name              = "${aws_codedeploy_app.explorer.name}"
   deployment_group_name = "${var.prefix}-explorer-dg${count.index}"
   service_role_arn      = "${aws_iam_role.deployer.arn}"

modules/stack/hosts.tf

@@ -40,17 +40,17 @@ resource "aws_launch_configuration" "explorer" {
 }
 
 resource "aws_placement_group" "explorer" {
-  count    = 1
+  count    = "${length(var.chains)}"
   name     = "${var.prefix}-explorer-placement-group${count.index}"
   strategy = "cluster"
 }
 
 resource "aws_autoscaling_group" "explorer" {
-  count                = 1
+  count                = "${length(var.chains)}"
   name                 = "${aws_launch_configuration.explorer.name}-asg${count.index}"
-  max_size             = 4
+  max_size             = "${length(var.chains) * 4}"
-  min_size             = 1
+  min_size             = "${length(var.chains)}"
-  desired_capacity     = 1
+  desired_capacity     = "${length(var.chains)}"
   placement_group      = "${aws_placement_group.explorer.*.id[count.index]}"
   launch_configuration = "${aws_launch_configuration.explorer.name}"
   vpc_zone_identifier  = ["${aws_subnet.default.id}"]
@@ -100,14 +100,14 @@ resource "aws_autoscaling_group" "explorer" {
 
   tag {
     key                 = "chain"
-    value               = "${var.chain}"
+    value               = "${element(keys(var.chains),count.index)}"
     propagate_at_launch = true
   }
 }
 
 # TODO: These autoscaling policies are not currently wired up to any triggers
 resource "aws_autoscaling_policy" "explorer-up" {
-  count                  = 1
+  count                  = "${length(var.chains)}"
   name                   = "${var.prefix}-explorer-autoscaling-policy-up${count.index}"
   autoscaling_group_name = "${element(aws_autoscaling_group.explorer.*.name, count.index)}"
   adjustment_type        = "ChangeInCapacity"
@@ -116,7 +116,7 @@ resource "aws_autoscaling_policy" "explorer-up" {
 }
 
 resource "aws_autoscaling_policy" "explorer-down" {
-  count                  = 1
+  count                  = "${length(var.chains)}"
   name                   = "${var.prefix}-explorer-autoscaling-policy-down${count.index}"
   autoscaling_group_name = "${element(aws_autoscaling_group.explorer.*.name, count.index)}"
   adjustment_type        = "ChangeInCapacity"

modules/stack/outputs.tf

@@ -20,7 +20,7 @@ output "codedeploy_bucket_path" {
 
 output "explorer_urls" {
   description = "A map of each chain to the DNS name of its corresponding Explorer instance"
-  value       = "${aws_lb.explorer.*.dns_name}"
+  value       = "${zipmap(keys(var.chains), aws_lb.explorer.*.dns_name)}"
 }
 
 output "db_instance_address" {

modules/stack/routing.tf

@@ -17,7 +17,8 @@ resource "aws_route" "internet_access" {
 
 # The ALB for the app server
 resource "aws_lb" "explorer" {
-  name               = "${var.prefix}-explorer-${var.chain}-alb"
+  count              = "${length(var.chains)}"	  
+  name               = "${var.prefix}-explorer-${element(keys(var.chains),count.index)}-alb"
   internal           = false
   load_balancer_type = "application"
   security_groups    = ["${aws_security_group.alb.id}"]
@@ -33,7 +34,8 @@ resource "aws_lb" "explorer" {
 
 # The Target Group for the ALB
 resource "aws_lb_target_group" "explorer" {
-  name     = "${var.prefix}-explorer-${var.chain}-alb-target"
+  count    = "${length(var.chains)}"
+  name     = "${var.prefix}-explorer-${element(keys(var.chains),count.index)}-alb-target"
   port     = 4000  
   protocol = "HTTP"  
   vpc_id   = "${aws_vpc.vpc.id}"   

modules/stack/variables.tf

@@ -9,8 +9,9 @@ variable "instance_type" {}
 variable "root_block_size" {}
 
 variable "chain_jsonrpc_variant" {}
-variable "chain" {}
+variable "chains" {
-variable "chain_ethereum_url" {}
+  default = {}
+}
 variable "chain_trace_endpoint" {}
 variable "chain_ws_endpoint" {}
 variable "chain_logo" {}