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https://github.com/puppetmaster/typhoon.git
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Change flannel port from 8472 to 4789
* Change flannel port from the kernel default 8472 to the IANA assigned VXLAN port 4789 * Update firewall rules or security groups for VXLAN * Why now? Calico now offers its own VXLAN backend so standardizing on the IANA port will simplify config * https://github.com/coreos/flannel/blob/master/Documentation/backends.md#vxlan
This commit is contained in:
Dalton Hubble
parent
2d19ab8457
commit
af18296bc5
@ -6,6 +6,11 @@ Notable changes between versions.
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* Update etcd from v3.3.12 to [v3.3.13](https://github.com/etcd-io/etcd/releases/tag/v3.3.13)
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* Upgrade Calico from v3.6.1 to [v3.7.0](https://docs.projectcalico.org/v3.7/release-notes/)
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* Change flannel port from 8472 (kernel default) to 4789 (IANA VXLAN)
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#### AWS
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* Only set internal VXLAN rules when `networking` is flannel (default: calico)
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#### Addons
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -42,6 +42,30 @@ resource "aws_security_group_rule" "controller-etcd-metrics" {
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 4789
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to_port = 4789
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-vxlan-self" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 4789
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to_port = 4789
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self = true
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}
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resource "aws_security_group_rule" "controller-apiserver" {
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security_group_id = "${aws_security_group.controller.id}"
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@ -52,26 +76,6 @@ resource "aws_security_group_rule" "controller-apiserver" {
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cidr_blocks = ["0.0.0.0/0"]
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}
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resource "aws_security_group_rule" "controller-flannel" {
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-flannel-self" {
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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self = true
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}
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# Allow Prometheus to scrape node-exporter daemonset
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resource "aws_security_group_rule" "controller-node-exporter" {
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security_group_id = "${aws_security_group.controller.id}"
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@ -216,23 +220,27 @@ resource "aws_security_group_rule" "worker-https" {
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cidr_blocks = ["0.0.0.0/0"]
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}
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resource "aws_security_group_rule" "worker-flannel" {
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resource "aws_security_group_rule" "worker-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.worker.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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from_port = 4789
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to_port = 4789
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source_security_group_id = "${aws_security_group.controller.id}"
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}
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resource "aws_security_group_rule" "worker-flannel-self" {
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resource "aws_security_group_rule" "worker-vxlan-self" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.worker.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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from_port = 4789
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to_port = 4789
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self = true
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}
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -42,6 +42,30 @@ resource "aws_security_group_rule" "controller-etcd-metrics" {
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 4789
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to_port = 4789
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-vxlan-self" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 4789
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to_port = 4789
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self = true
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}
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resource "aws_security_group_rule" "controller-apiserver" {
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security_group_id = "${aws_security_group.controller.id}"
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@ -52,26 +76,6 @@ resource "aws_security_group_rule" "controller-apiserver" {
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cidr_blocks = ["0.0.0.0/0"]
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}
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resource "aws_security_group_rule" "controller-flannel" {
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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source_security_group_id = "${aws_security_group.worker.id}"
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}
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resource "aws_security_group_rule" "controller-flannel-self" {
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security_group_id = "${aws_security_group.controller.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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self = true
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}
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# Allow Prometheus to scrape node-exporter daemonset
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resource "aws_security_group_rule" "controller-node-exporter" {
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security_group_id = "${aws_security_group.controller.id}"
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@ -216,23 +220,27 @@ resource "aws_security_group_rule" "worker-https" {
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cidr_blocks = ["0.0.0.0/0"]
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}
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resource "aws_security_group_rule" "worker-flannel" {
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resource "aws_security_group_rule" "worker-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.worker.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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from_port = 4789
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to_port = 4789
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source_security_group_id = "${aws_security_group.controller.id}"
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}
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resource "aws_security_group_rule" "worker-flannel-self" {
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resource "aws_security_group_rule" "worker-vxlan-self" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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security_group_id = "${aws_security_group.worker.id}"
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type = "ingress"
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protocol = "udp"
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from_port = 8472
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to_port = 8472
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from_port = 4789
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to_port = 4789
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self = true
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}
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -68,17 +68,17 @@ resource "azurerm_network_security_rule" "controller-apiserver" {
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destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
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}
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resource "azurerm_network_security_rule" "controller-flannel" {
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resource "azurerm_network_security_rule" "controller-vxlan" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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name = "allow-flannel"
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name = "allow-vxlan"
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network_security_group_name = "${azurerm_network_security_group.controller.name}"
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priority = "2020"
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access = "Allow"
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direction = "Inbound"
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protocol = "Udp"
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source_port_range = "*"
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destination_port_range = "8472"
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destination_port_range = "4789"
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source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
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destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
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}
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@ -204,17 +204,17 @@ resource "azurerm_network_security_rule" "worker-https" {
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destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
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}
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resource "azurerm_network_security_rule" "worker-flannel" {
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resource "azurerm_network_security_rule" "worker-vxlan" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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name = "allow-flannel"
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name = "allow-vxlan"
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network_security_group_name = "${azurerm_network_security_group.worker.name}"
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priority = "2015"
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access = "Allow"
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direction = "Inbound"
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protocol = "Udp"
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source_port_range = "*"
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destination_port_range = "8472"
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destination_port_range = "4789"
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source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
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destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
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}
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${var.k8s_domain_name}"]
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${var.k8s_domain_name}"]
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -12,7 +12,7 @@ resource "digitalocean_firewall" "rules" {
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},
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{
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protocol = "udp"
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port_range = "8472"
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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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{
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -78,16 +78,16 @@ resource "google_compute_firewall" "internal-bgp" {
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target_tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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}
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# flannel
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resource "google_compute_firewall" "internal-flannel" {
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# flannel VXLAN
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resource "google_compute_firewall" "internal-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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name = "${var.cluster_name}-internal-flannel"
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name = "${var.cluster_name}-internal-vxlan"
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network = "${google_compute_network.network.name}"
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allow {
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protocol = "udp"
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ports = [8472]
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ports = [4789]
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}
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source_tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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@ -1,6 +1,6 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=b96d641f6d42cf5d9bf3ac36f557aa21cc157680"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=fc7a6fb20abe41ccd40f3449ee8ee7bba7bd9932"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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@ -78,16 +78,16 @@ resource "google_compute_firewall" "internal-bgp" {
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target_tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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}
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# flannel
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resource "google_compute_firewall" "internal-flannel" {
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# flannel VXLAN
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resource "google_compute_firewall" "internal-vxlan" {
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count = "${var.networking == "flannel" ? 1 : 0}"
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name = "${var.cluster_name}-internal-flannel"
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name = "${var.cluster_name}-internal-vxlan"
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network = "${google_compute_network.network.name}"
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allow {
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protocol = "udp"
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ports = [8472]
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ports = [4789]
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}
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source_tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
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