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6c5a1964aa
* Adjust firewall rules, security groups, cloud load balancers, and generated kubeconfig's * Facilitates some future simplifications and cost reductions * Bare-Metal users who exposed kube-apiserver on a WAN via their router or load balancer will need to adjust its configuration. This is uncommon, most apiserver are on LAN and/or behind VPN so no routing infrastructure is configured with the port number
59 lines
1.5 KiB
HCL
59 lines
1.5 KiB
HCL
resource "digitalocean_firewall" "rules" {
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name = "${var.cluster_name}"
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tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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# allow ssh, apiserver, http/https ingress, and peer-to-peer traffic
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inbound_rule = [
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{
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protocol = "tcp"
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port_range = "22"
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source_addresses = ["0.0.0.0/0", "::/0"]
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},
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{
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protocol = "tcp"
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port_range = "80"
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source_addresses = ["0.0.0.0/0", "::/0"]
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},
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{
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protocol = "tcp"
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port_range = "443"
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source_addresses = ["0.0.0.0/0", "::/0"]
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},
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{
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protocol = "tcp"
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port_range = "6443"
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source_addresses = ["0.0.0.0/0", "::/0"]
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},
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{
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protocol = "udp"
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port_range = "1-65535"
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source_tags = ["${digitalocean_tag.controllers.name}", "${digitalocean_tag.workers.name}"]
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},
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{
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protocol = "tcp"
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port_range = "1-65535"
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source_tags = ["${digitalocean_tag.controllers.name}", "${digitalocean_tag.workers.name}"]
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},
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]
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# allow all outbound traffic
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outbound_rule = [
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{
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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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{
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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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{
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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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}
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