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1366ae404b
* Replace v0.11 bracket type hints with Terraform v0.12 list expressions * Use expression syntax instead of interpolated strings, where suggested * Update DigitalOcean tutorial documentation * Define Terraform and plugin version requirements in versions.tf * Require digitalocean ~> v1.3 to support Terraform v0.12 * Require ct ~> v0.3.2 to support Terraform v0.12
101 lines
2.3 KiB
HCL
101 lines
2.3 KiB
HCL
resource "digitalocean_firewall" "rules" {
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name = var.cluster_name
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tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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# allow ssh, internal flannel, internal node-exporter, internal kubelet
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inbound_rule {
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protocol = "tcp"
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port_range = "22"
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source_addresses = ["0.0.0.0/0", "::/0"]
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}
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inbound_rule {
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protocol = "udp"
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port_range = "4789"
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source_tags = [digitalocean_tag.controllers.name, digitalocean_tag.workers.name]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "9100"
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source_tags = [digitalocean_tag.workers.name]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "10250"
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source_tags = [digitalocean_tag.controllers.name, digitalocean_tag.workers.name]
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}
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# allow all outbound traffic
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outbound_rule {
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protocol = "tcp"
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port_range = "1-65535"
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destination_addresses = ["0.0.0.0/0", "::/0"]
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}
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outbound_rule {
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protocol = "udp"
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port_range = "1-65535"
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destination_addresses = ["0.0.0.0/0", "::/0"]
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}
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outbound_rule {
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protocol = "icmp"
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port_range = "1-65535"
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destination_addresses = ["0.0.0.0/0", "::/0"]
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}
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}
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resource "digitalocean_firewall" "controllers" {
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name = "${var.cluster_name}-controllers"
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tags = ["${var.cluster_name}-controller"]
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# etcd, kube-apiserver, kubelet
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inbound_rule {
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protocol = "tcp"
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port_range = "2379-2380"
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source_tags = [digitalocean_tag.controllers.name]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "2381"
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source_tags = [digitalocean_tag.workers.name]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "6443"
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source_addresses = ["0.0.0.0/0", "::/0"]
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}
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}
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resource "digitalocean_firewall" "workers" {
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name = "${var.cluster_name}-workers"
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tags = ["${var.cluster_name}-worker"]
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# allow HTTP/HTTPS ingress
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inbound_rule {
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protocol = "tcp"
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port_range = "80"
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source_addresses = ["0.0.0.0/0", "::/0"]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "443"
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source_addresses = ["0.0.0.0/0", "::/0"]
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}
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inbound_rule {
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protocol = "tcp"
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port_range = "10254"
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source_addresses = ["0.0.0.0/0"]
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}
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}
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