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184 lines
6.4 KiB
HCL
184 lines
6.4 KiB
HCL
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locals {
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k8s-subnets-ids = [
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module.aws-network-existing.subnet-by-name["subnet_1"].id,
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module.aws-network-existing.subnet-by-name["subnet_3"].id,
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]
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nfs-subnets = [
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module.aws-network-existing.subnet-by-name["subnet_4"],
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]
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nodes-config = {
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"k8s-master" = {
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base-image = var.ubuntu-ami
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aws-ec2-type = var.t2-medium-4gib-2vcpu
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subnet-ids = local.k8s-subnets-ids
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num = 0
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},
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"k8s-worker" = {
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base-image = var.ubuntu-ami
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aws-ec2-type = var.t2-medium-4gib-2vcpu
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subnet-ids = local.k8s-subnets-ids
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num = 0
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},
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"ansible-test" = {
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base-image = var.ubuntu-ami
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aws-ec2-type = var.t2-micro-1gib-1vcpu
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subnet-ids = [module.aws-network-existing.subnet-by-name["subnet_2"].id]
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num = 0
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},
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"nfs" = {
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base-image = var.ubuntu-ami
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aws-ec2-type = var.t2-micro-1gib-1vcpu
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subnet-ids = [module.aws-network-existing.subnet-by-name["subnet_4"].id]
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num = 1
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},
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}
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install-qemu-agent = false
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}
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################################################################################
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# cloud-init
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################################################################################
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module "cloud-init-config" {
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for_each = local.nodes-config
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source = "./modules/cloud-init-config"
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cloud-init-template = "${path.module}/cloud_init.cfg"
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hostname-prefix = "${var.vm-name-prefix}-${each.key}"
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num = each.value.num
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root-admin-passwd = var.root-admin-passwd
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root-admin-pub-key = var.root-admin-pub-key
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install-qemu-agent = local.install-qemu-agent
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}
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################################################################################
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# aws
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# To use the aws module, uncomment the aws modules/resources and comment out the
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# libvirt modules/resources.
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################################################################################
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# This module will grab the latest ami for a variety of distros. Uncomment to
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# get a list of the latest AMIs for our supported distros.
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# module "aws-amis" {
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# source = "./modules/aws-amis"
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# }
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# output "amis" {
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# value = module.aws-amis.amis
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# }
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################################################################################
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# AWS Networking
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# Use of the 2 modules below to create resources for the AWS network.
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# aws-network-from-scratch will build the AWS network from scratch.
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# aws-network-existing will query AWS for an existing VPC.
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################################################################################
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# module "aws-network-from-scratch" {
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# source = "./modules/aws-network-from-scratch"
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# name-prefix = var.vm-name-prefix
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# vpc-cidr-block = var.aws-vpc-cidr-block
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# subnet-cidr-block = var.aws-subnet-cidr-block
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# admin-ips = var.admin-ips
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# }
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module "aws-network-existing" {
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source = "./modules/aws-network-existing"
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default-vpc-name = var.aws-existing-vpc-name
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default-security-group-name = var.aws-existing-sg-name
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existing-subnet-names = var.aws-existing-subnet-names
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}
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################################################################################
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# This key pair is not actually used. Keys are added to the nodes via cloud-init
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# instead. We just add this here that this key will show up in the AWS console."
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resource "aws_key_pair" "key" {
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key_name = "${var.vm-name-prefix}-key}"
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public_key = var.root-admin-pub-key
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tags = {
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Name = "${var.vm-name-prefix}-key"
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}
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}
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resource "aws_ebs_volume" "zfs" {
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# TODO REM look at types.
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availability_zone = local.nfs-subnets[0].availability_zone
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size = 10
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encrypted = false
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tags = {
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Name = "zfs-disk"
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}
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}
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resource "aws_volume_attachment" "mount-nfs-volume" {
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device_name = "/dev/sdf"
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instance_id = module.nodes["nfs"].nodes[0].id
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volume_id = aws_ebs_volume.zfs.id
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}
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module "nodes" {
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for_each = local.nodes-config
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source = "./modules/aws-nodes"
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ami = each.value.base-image
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subnet-ids = each.value.subnet-ids
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security-group-ids = [module.aws-network-existing.default-sg.id]
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user-datas = lookup(module.cloud-init-config, each.key, null).user-datas
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num-nodes = each.value.num
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name-prefix = "${var.vm-name-prefix}-${each.key}"
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# TODO add a input for the key so that it will show up as the key in the aws
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# console.
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}
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################################################################################
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# end aws
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################################################################################
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################################################################################
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# libvirt
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# To use the libvirt module, uncomment the libvirt modules/resources and comment
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# out the aws modules/resources.
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################################################################################
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# provider "libvirt" {
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# uri = var.libvirt-connection-url
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# }
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#
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# module "nodes" {
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# for_each = local.nodes-config
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# source = "./modules/libvirt-nodes"
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# pool-name = libvirt_pool.images.name
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# name-prefix = "${var.vm-name-prefix}-${each.key}"
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# num-nodes = each.value.num
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# node-memory = var.node-memory
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# node-vcpus = var.node-vcpus
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# node-disk-size = var.libvirt-node-disk-size
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# base-image = each.value.base-image
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# network-name = var.libvirt-network-name
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# root-admin-passwd = var.root-admin-passwd
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# root-admin-pub-key = var.root-admin-pub-key
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# libvirt-connection-url = var.libvirt-connection-url
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# user-datas = lookup(module.cloud-init-config, each.key, null).user-datas
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# }
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#
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# resource "libvirt_pool" "images" {
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# name = var.disk-image-pool-name
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# type = "dir"
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# path = var.disk-image-dir
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# }
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################################################################################
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# end libvirt
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################################################################################
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# This will outpus a map of group => [{hostname, ip}].
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# TODO A 'names' output needs to be added to libvirt.
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output "groups_hostnames_ips" {
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value = { for type, node in module.nodes : type => zipmap(node.names, node.ips) }
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}
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# This will outpus a map of group => [{hostname, private_ip}].
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# TODO Figure out how what to do about private_ips for libvirt.
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output "groups_hostnames_private_ips" {
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value = { for type, node in module.nodes : type => zipmap(node.names, node.private_ips) }
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}
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