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main.tf
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###########
# VPC part
###########
resource "opentelekomcloud_vpc_v1" "vpc" {
name = var.environment
cidr = var.vpc_cidr
}
resource "opentelekomcloud_vpc_subnet_v1" "subnet" {
name = var.environment
vpc_id = opentelekomcloud_vpc_v1.vpc.id
cidr = var.subnet_cidr
gateway_ip = var.subnet_gateway_ip
primary_dns = var.subnet_primary_dns
secondary_dns = var.subnet_secondary_dns
}
###########
# DNS part
###########
resource "opentelekomcloud_dns_zone_v2" "dns" {
count = var.create_dns ? 1 : 0
name = "${var.kubeadm_domain}."
email = var.admin_email
description = "tf managed zone"
ttl = 300
type = "public"
}
resource "opentelekomcloud_dns_recordset_v2" "public_record" {
count = var.create_dns ? 1 : 0
zone_id = opentelekomcloud_dns_zone_v2.dns[0].id
name = "${var.kubeadm_host}.${var.kubeadm_domain}."
description = "tf managed zone"
type = "A"
ttl = 300
records = [ opentelekomcloud_networking_floatingip_v2.kubeadm.address ]
}
###########
# ECS part
###########
resource "random_string" "random" {
length = 32
lower = true
special = false
upper = false
}
locals {
kubeadm = templatefile("${path.module}/files/kubeadm",{
public_ip = opentelekomcloud_networking_floatingip_v2.kubeadm.address
kubeadm_host = var.kubeadm_host
kubeadm_domain = var.kubeadm_domain
random_string = random_string.random.id
})
}
data "opentelekomcloud_images_image_v2" "kubeadm" {
name = var.image_name_kubeadm
most_recent = true
}
# Secgroup part (ECS)
resource "opentelekomcloud_networking_secgroup_v2" "kubeadm" {
description = "Kubeadm Server"
name = "${var.environment}-secgroup"
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_kubeadm_all_out" {
description = "Kubeadm accept all traffic"
direction = "egress"
ethertype = "IPv4"
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_icmp_in" {
description = "Kubeadm accept icmp ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "icmp"
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_22_in" {
description = "Kubeadm accept tcp/22 ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 22
port_range_max = 22
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_80_in" {
description = "Kubeadm accept tcp/80 ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 80
port_range_max = 80
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_443_in" {
description = "Kubeadm accept tcp/443 ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 443
port_range_max = 443
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_9000_in" {
description = "Kubeadm accept tcp/9000, various app, ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 9000
port_range_max = 9000
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_8085_in" {
description = "Lighttpd accept tcp/8085, various app, ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 8085
port_range_max = 8085
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
resource "opentelekomcloud_networking_secgroup_rule_v2" "sg_tcp_6443_in" {
description = "Kubeadm accept tcp/6443 ingress"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = 6443
port_range_max = 6443
remote_ip_prefix = "0.0.0.0/0"
security_group_id = opentelekomcloud_networking_secgroup_v2.kubeadm.id
}
# ssh key part
resource "opentelekomcloud_compute_keypair_v2" "kubeadm" {
name = "${var.environment}-key"
public_key = var.public_key
}
# ECS part (instances)
resource "opentelekomcloud_compute_instance_v2" "kubeadm" {
name = "${var.environment}-kubeadm"
availability_zone = var.availability_zone1
flavor_id = var.flavor_id
key_pair = opentelekomcloud_compute_keypair_v2.kubeadm.name
security_groups = ["${var.environment}-secgroup"]
user_data = local.kubeadm
power_state = var.power_state
network {
uuid = opentelekomcloud_vpc_subnet_v1.subnet.id
}
block_device {
boot_index = 0
source_type = "image"
destination_type = "volume"
uuid = data.opentelekomcloud_images_image_v2.kubeadm.id
delete_on_termination = true
volume_size = 30
}
}
resource "opentelekomcloud_networking_floatingip_v2" "kubeadm" {
pool = "admin_external_net"
}
resource "opentelekomcloud_networking_floatingip_associate_v2" "kubeadm" {
floating_ip = opentelekomcloud_networking_floatingip_v2.kubeadm.address
port_id = opentelekomcloud_compute_instance_v2.kubeadm.network.0.port
}