1
0
Fork 0
mirror of https://github.com/poseidon/typhoon synced 2024-05-19 05:56:10 +02:00
typhoon/aws/fedora-coreos/kubernetes/controllers.tf
Dalton Hubble ce45e123fe Port Typhoon Fedora CoreOS support to AWS
* Use the newly minted "Fedora CoreOS Preview" AMI
* Remove iscsi, kubelet.path activation, and kubeconfig
distribution
* As usual, bare-metal efforts make cloud provider ports
much easier
2019-07-18 00:55:22 -07:00

87 lines
2.4 KiB
HCL

# Discrete DNS records for each controller's private IPv4 for etcd usage
resource "aws_route53_record" "etcds" {
count = var.controller_count
# DNS Zone where record should be created
zone_id = var.dns_zone_id
name = format("%s-etcd%d.%s.", var.cluster_name, count.index, var.dns_zone)
type = "A"
ttl = 300
# private IPv4 address for etcd
records = [aws_instance.controllers.*.private_ip[count.index]]
}
# Controller instances
resource "aws_instance" "controllers" {
count = var.controller_count
tags = {
Name = "${var.cluster_name}-controller-${count.index}"
}
instance_type = var.controller_type
ami = data.aws_ami.fedora-coreos.image_id
user_data = data.ct_config.controller-ignitions.*.rendered[count.index]
# storage
root_block_device {
volume_type = var.disk_type
volume_size = var.disk_size
iops = var.disk_iops
}
# network
associate_public_ip_address = true
subnet_id = aws_subnet.public.*.id[count.index]
vpc_security_group_ids = [aws_security_group.controller.id]
lifecycle {
ignore_changes = [
ami,
user_data,
]
}
}
# Controller Ignition configs
data "ct_config" "controller-ignitions" {
count = var.controller_count
content = data.template_file.controller-configs.*.rendered[count.index]
strict = true
snippets = var.controller_snippets
}
# Controller Fedora CoreOS configs
data "template_file" "controller-configs" {
count = var.controller_count
template = file("${path.module}/fcc/controller.yaml")
vars = {
# Cannot use cyclic dependencies on controllers or their DNS records
etcd_name = "etcd${count.index}"
etcd_domain = "${var.cluster_name}-etcd${count.index}.${var.dns_zone}"
# etcd0=https://cluster-etcd0.example.com,etcd1=https://cluster-etcd1.example.com,...
etcd_initial_cluster = join(",", data.template_file.etcds.*.rendered)
kubeconfig = indent(10, module.bootkube.kubeconfig-kubelet)
ssh_authorized_key = var.ssh_authorized_key
cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
cluster_domain_suffix = var.cluster_domain_suffix
}
}
data "template_file" "etcds" {
count = var.controller_count
template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
vars = {
index = count.index
cluster_name = var.cluster_name
dns_zone = var.dns_zone
}
}