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Add var.enabled to toggle on/off #54

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Add var.enabled to toggle on/off #54

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6853c37
Add enabled to toggle on/off
c19 Feb 21, 2019
4dcc108
backward-compatible
c19 Apr 2, 2019
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13 changes: 10 additions & 3 deletions main.tf
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
resource "aws_security_group" "bastion" {
count = "${var.enabled}"
name = "${var.name}"
vpc_id = "${var.vpc_id}"
description = "Bastion security group (only SSH inbound access is allowed)"
Expand All @@ -9,6 +10,7 @@ resource "aws_security_group" "bastion" {
}

resource "aws_security_group_rule" "ssh_ingress" {
count = "${var.enabled}"
type = "ingress"
from_port = "22"
to_port = "22"
Expand All @@ -19,16 +21,17 @@ resource "aws_security_group_rule" "ssh_ingress" {
}

resource "aws_security_group_rule" "ssh_sg_ingress" {
count = "${length(var.allowed_security_groups)}"
count = "${length(var.allowed_security_groups) * var.enabled}"
type = "ingress"
from_port = "22"
to_port = "22"
protocol = "tcp"
source_security_group_id = "${element(var.allowed_security_groups, count.index)}"
source_security_group_id = "${length(var.allowed_security_groups) > 0 ? element(concat(var.allowed_security_groups, list("")), count.index) : ""}"
security_group_id = "${aws_security_group.bastion.id}"
}

resource "aws_security_group_rule" "bastion_all_egress" {
count = "${var.enabled}"
type = "egress"
from_port = "0"
to_port = "65535"
Expand Down Expand Up @@ -59,6 +62,8 @@ data "template_file" "user_data" {
}

//resource "aws_instance" "bastion" {
// count = "${var.enabled}"

// ami = "${var.ami}"
// instance_type = "${var.instance_type}"
// iam_instance_profile = "${var.iam_instance_profile}"
Expand All @@ -74,6 +79,7 @@ data "template_file" "user_data" {
//}

resource "aws_launch_configuration" "bastion" {
count = "${var.enabled}"
name_prefix = "${var.name}-"
image_id = "${var.ami}"
instance_type = "${var.instance_type}"
Expand All @@ -98,7 +104,8 @@ resource "aws_launch_configuration" "bastion" {
}

resource "aws_autoscaling_group" "bastion" {
name = "${var.apply_changes_immediately ? aws_launch_configuration.bastion.name : var.name}"
count = "${var.enabled}"
name = "${var.apply_changes_immediately ? aws_launch_configuration.bastion.name : var.name}"

vpc_zone_identifier = [
"${var.subnet_ids}",
Expand Down
4 changes: 2 additions & 2 deletions outputs.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,9 @@ output "ssh_user" {
}

output "security_group_id" {
value = "${aws_security_group.bastion.id}"
value = "${element(concat(aws_security_group.bastion.*.id, list("")), 0)}"
}

output "asg_id" {
value = "${aws_autoscaling_group.bastion.id}"
value = "${element(concat(aws_autoscaling_group.bastion.*.id, list("")), 0)}"
}
5 changes: 5 additions & 0 deletions variables.tf
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Expand Up @@ -109,3 +109,8 @@ variable "apply_changes_immediately" {
description = "Whether to apply the changes at once and recreate auto-scaling group"
default = false
}

variable "enabled" {
default = true
description = "Whether to create bastion or not."
}