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Single AWS node is working.

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ansible-test
shnee 4 years ago
parent b2ae84be72
commit a232bbfd71
7 changed files with 238 additions and 39 deletions
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57
.terraform.lock.hcl
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@ -0,0 +1,57 @@
# This file is maintained automatically by "terraform init".
# Manual edits may be lost in future updates.
provider "registry.terraform.io/dmacvicar/libvirt" {
version = "0.6.11"
hashes = [
"h1:6QzHY/7aNdaaDxJZKygotWnM5uHoS2gs/03CzUCJX60=",
"zh:15300a1c3c294eccade4c8a678412d81602ab041dc0a5aab72fee5425d778e89",
"zh:1605806de0d3b86b7e94b5d04a7ad9b6ac695781f9672ab6002c23caef43b98e",
"zh:21efc5937d89f9ec96bc626d2ce3621c0919b3da97ab63b4e520c37d3f5c7357",
"zh:2c143a6909917fd11191447de4c496f084c7da5200beb9f512791a80a1f33e7c",
"zh:3ca369718cc49feefc3a6ffa795a9055e60de33989a9f1c72b6db16048a181fa",
"zh:71db1d1cf2c06984bba408ad5dc9b4e25285684ee5c530a61583b202cff21b96",
"zh:a67adfc988311d34adcc119500c2ef048a45d632b00bb5a15ea6d3ffdc1c3d1c",
"zh:a83448cbcc194e3b52af9b89b9273a116082d83f2c966035bf8a8c5d5606ca9c",
"zh:a9c5a818dd2606460d4d6f33af7cb387f3e984d631fc233aaec0dda4e0756c2b",
"zh:af3263e66cf9138361d6d7408533edd6de8498e67c88cf0084421ae31fe89054",
"zh:b9596cb26c1e391172472de4ada9b3b0a08e4777e41327db8e021454cc6aae20",
"zh:e28124b9ee0b8c18b6f776eb6523d8935f3072c47cd803ea2f1a06206effaa48",
"zh:edd00638d8c088b8a38e7ab8b9e8ab3bd710f7357d0f6b4a38e0028bd49d8460",
]
}
provider "registry.terraform.io/hashicorp/aws" {
version = "3.64.2"
hashes = [
"h1:oFsgTmmt/eJ8KLo59PSmYu/irUHJiPnQEey0VqaOOck=",
"zh:0b029a2282beabfe410eb2969e18ca773d3473415e442be4dc8ce0eb6d1cd8c5",
"zh:3209de3266a1138f1ccb09f094fdd98b6f55afc06e291db0abe092ec5dbe7640",
"zh:40648266551631cbc15f8a76e80faf300510e3b38c2544d43fc25e37e6802727",
"zh:483c8af92ae70146f2790a70c1a810251e7135aa912b66e769c934eddceebe32",
"zh:4d106d8d415d8df342f3f85e58c35418e6c55e3cb7f02897f832cefac4dca68c",
"zh:972626a6ddb31d5216606d12ab5c30fbf8d51ed2bbe0efcdd7cffa68c1141557",
"zh:a230d55ec52b1695148d40296877ee23e0b302e817154f9b838eb117c87b13fa",
"zh:c95fddfbd7f870db949da0601323e866e0f0fb0d4a93e96725ae5b88029e84d5",
"zh:ea0c7f568074f835f22273c8e7e61e87f5277e32004c72122915fd3c8df49ccc",
"zh:f96d25887e6e2d2ae47659e2c586efea2167995b59a479ae65a02b097da86474",
"zh:fe7502d8e52d3b5ccb2b3c178e7ea894344783093aa71ffb20e978914c976182",
]
}
provider "registry.terraform.io/hashicorp/template" {
version = "2.2.0"
hashes = [
"h1:94qn780bi1qjrbC3uQtjJh3Wkfwd5+tTtJHOb7KTg9w=",
"zh:01702196f0a0492ec07917db7aaa595843d8f171dc195f4c988d2ffca2a06386",
"zh:09aae3da826ba3d7df69efeb25d146a1de0d03e951d35019a0f80e4f58c89b53",
"zh:09ba83c0625b6fe0a954da6fbd0c355ac0b7f07f86c91a2a97849140fea49603",
"zh:0e3a6c8e16f17f19010accd0844187d524580d9fdb0731f675ffcf4afba03d16",
"zh:45f2c594b6f2f34ea663704cc72048b212fe7d16fb4cfd959365fa997228a776",
"zh:77ea3e5a0446784d77114b5e851c970a3dde1e08fa6de38210b8385d7605d451",
"zh:8a154388f3708e3df5a69122a23bdfaf760a523788a5081976b3d5616f7d30ae",
"zh:992843002f2db5a11e626b3fc23dc0c87ad3729b3b3cff08e32ffb3df97edbde",
"zh:ad906f4cebd3ec5e43d5cd6dc8f4c5c9cc3b33d2243c89c5fc18f97f7277b51d",
"zh:c979425ddb256511137ecd093e23283234da0154b7fa8b21c2687182d9aea8b2",
]
}

17
example.tfvars
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# A CIDR block ending in '/32' equates to a single IP address, '0.0.0.0/0'
# equates to any ip address.
admin-ips = [ "8.8.8.8/32", "0.0.0.0/0" ]
disk-image-dir = "/path/to/disk/pool/"
libvirt-connection-url = "qemu+ssh://<user>@<host>/system"
@ -7,7 +11,18 @@ worker-nodes = 2
node-memory = 2048
node-vcpus = 2
base-image = "https://cloud-images.ubuntu.com/releases/focal/release/ubuntu-20.04-server-cloudimg-amd64-disk-kvm.img"
# 1 GiB, 1 vcpu, only one that is free.
# This one won't work with k8s because it requires at least 2 vcpus.
aws-ec2-instance-type = "t2.micro"
# 4 GiB, 2 vcpus
# aws-ec2-instnce-type = "t2.medium"
# AWS Amazon Linux 2 AMI (HVM), SSD Volume Type - Oregon - 2021.11.11 - free
# base-image = "ami-00be885d550dcee43"
# AWS Amazon Linux 2 AMI (HVM), SSD Volume Type - us-east-2 - 2021.11.12 - free
base-image = "ami-0dd0ccab7e2801812"
# base-image = "https://cloud-images.ubuntu.com/releases/focal/release/ubuntu-20.04-server-cloudimg-amd64-disk-kvm.img"
# From https://cloud.centos.org/centos/7/images/ from 2020-11-12 06:52
# base-image = "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-2009.qcow2"

184
main.tf
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@ -8,46 +8,154 @@ terraform {
}
}
provider "libvirt" {
uri = var.libvirt-connection-url
}
module "master-nodes" {
source = "./modules/node"
pool-name = libvirt_pool.images.name
name-prefix = "${var.vm-name-prefix}-master"
num-nodes = var.master-nodes
node-memory = var.node-memory
node-vcpus = var.node-vcpus
base-image = var.base-image
root-admin-passwd = var.root-admin-passwd
root-admin-pub-key = var.root-admin-pub-key
libvirt-connection-url = var.libvirt-connection-url
}
module "worker-nodes" {
source = "./modules/node"
pool-name = libvirt_pool.images.name
name-prefix = "${var.vm-name-prefix}-worker"
num-nodes = var.worker-nodes
node-memory = var.node-memory
node-vcpus = var.node-vcpus
base-image = var.base-image
root-admin-passwd = var.root-admin-passwd
root-admin-pub-key = var.root-admin-pub-key
libvirt-connection-url = var.libvirt-connection-url
}
resource "libvirt_pool" "images" {
name = var.disk-image-pool-name
type = "dir"
path = var.disk-image-dir
provider "aws" {
region = "us-east-2"
}
output "master-ips" {
value = module.master-nodes.ips
resource "aws_vpc" "vpc" {
cidr_block = var.aws-vpc-cidr-block
tags = {
Name = "${var.vm-name-prefix}-vpc"
}
}
resource "aws_subnet" "subnet" {
vpc_id = aws_vpc.vpc.id
cidr_block = var.aws-subnet-cidr-block
# availability_zone = var.avail_zone
tags = {
Name = "${var.vm-name-prefix}-subnet"
}
}
resource "aws_default_security_group" "sg" {
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = var.admin-ips
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
prefix_list_ids = []
}
tags = {
Name = "${var.vm-name-prefix}-sg"
}
}
resource "aws_internet_gateway" "igw" {
vpc_id = aws_vpc.vpc.id
tags = {
Name = "${var.vm-name-prefix}-igw"
}
}
resource "aws_default_route_table" "route-table" {
default_route_table_id = aws_vpc.vpc.main_route_table_id
route {
cidr_block = "0.0.0.0/0"
gateway_id = aws_internet_gateway.igw.id
}
# default route, mapping VPC CIDR block to "local", created implicitly and
# cannot be specified.
tags = {
Name = "${var.vm-name-prefix}-route-table"
}
}
output "worker-ips" {
value = module.worker-nodes.ips
# Associate subnet with Route Table
resource "aws_route_table_association" "a-rtb-subnet" {
subnet_id = aws_subnet.subnet.id
route_table_id = aws_default_route_table.route-table.id
}
resource "aws_key_pair" "debug1" {
key_name = "debug1"
public_key = var.root-admin-pub-key
}
data "template_file" "node-user-datas" {
template = file("${path.module}/cloud_init.cfg")
vars = {
admin-passwd = "${var.root-admin-passwd}"
admin-pub-key = "${var.root-admin-pub-key}"
hostname = "${var.vm-name-prefix}-${count.index}"
}
count = var.master-nodes
}
resource "aws_instance" "test-node" {
ami = var.base-image
instance_type = var.aws-ec2-instance-type
key_name = aws_key_pair.debug1.key_name
associate_public_ip_address = true
subnet_id = aws_subnet.subnet.id
vpc_security_group_ids = [aws_default_security_group.sg.id]
# user_data = element(data.template_file.node-user-datas.*.rendered, count.index)
count = var.master-nodes
tags = {
Name = "${var.vm-name-prefix}-test"
}
}
output "master-ips" {
value = aws_instance.test-node.*.public_ip
}
# provider "libvirt" {
# uri = var.libvirt-connection-url
# }
#
# module "master-nodes" {
# source = "./modules/libvirt-nodes"
# pool-name = libvirt_pool.images.name
# name-prefix = "${var.vm-name-prefix}-master"
# num-nodes = var.master-nodes
# node-memory = var.node-memory
# node-vcpus = var.node-vcpus
# base-image = var.base-image
# root-admin-passwd = var.root-admin-passwd
# root-admin-pub-key = var.root-admin-pub-key
# libvirt-connection-url = var.libvirt-connection-url
# }
#
# module "worker-nodes" {
# source = "./modules/libvirt-nodes"
# pool-name = libvirt_pool.images.name
# name-prefix = "${var.vm-name-prefix}-worker"
# num-nodes = var.worker-nodes
# node-memory = var.node-memory
# node-vcpus = var.node-vcpus
# base-image = var.base-image
# root-admin-passwd = var.root-admin-passwd
# root-admin-pub-key = var.root-admin-pub-key
# libvirt-connection-url = var.libvirt-connection-url
# }
#
# resource "libvirt_pool" "images" {
# name = var.disk-image-pool-name
# type = "dir"
# path = var.disk-image-dir
# }
#
# # TODO REM move to other file?
# output "master-ips" {
# value = module.master-nodes.ips
# }
#
# output "worker-ips" {
# value = module.worker-nodes.ips
# }

0
modules/node/main.tf → modules/libvirt-nodes/main.tf
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0
modules/node/outpus.tf → modules/libvirt-nodes/outpus.tf
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0
modules/node/variables.tf → modules/libvirt-nodes/variables.tf
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19
variables.tf
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variable "admin-ips" {
description = "A list of ips or cidr blocks that are allowed to connect to the nodes."
type = list(string)
}
variable "aws-ec2-instance-type" {
default = "t2.micro"
description = "The AWS instance type to use for all nodes."
}
variable "aws-subnet-cidr-block" {
default = "10.0.1.0/24"
description = "The address space to be used for this subnet."
}
variable "aws-vpc-cidr-block" {
default = "10.0.0.0/16"
description = "The address space to be used for this VPC."
}
variable "disk-image-dir" {
description = "This is the location on the KVM hypervisor host where all the disk images will be kept."

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