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db947537d1
* Run a kube-apiserver, kube-scheduler, and kube-controller-manager static pod on each controller node. Previously, kube-apiserver was self-hosted as a DaemonSet across controllers and kube-scheduler and kube-controller-manager were a Deployment (with 2 or controller_count many replicas). * Remove bootkube bootstrap and pivot to self-hosted * Remove pod-checkpointer manifests (no longer needed)
110 lines
2.5 KiB
HCL
110 lines
2.5 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
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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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# etcd metrics
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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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# kube-apiserver
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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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# kube-scheduler metrics, kube-controller-manager metrics
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inbound_rule {
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protocol = "tcp"
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port_range = "10251-10252"
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source_tags = [digitalocean_tag.workers.name]
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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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