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[Openstack] Add bastion_allowed_ports to allow custom security group rules on bastion node (#9336)

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* make it possible to configure bastion remote ips

* Update README.md
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Hugo Blom 2022-09-28 07:03:35 +02:00 committed by GitHub
parent 3646dc0bd2
commit 49196c2ec4
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1
contrib/terraform/openstack/README.md
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@ -270,6 +270,7 @@ For your cluster, edit `inventory/$CLUSTER/cluster.tfvars`.
|`supplementary_node_groups` | To add ansible groups to the nodes, such as `kube_ingress` for running ingress controller pods, empty by default. |
|`bastion_allowed_remote_ips` | List of CIDR allowed to initiate a SSH connection, `["0.0.0.0/0"]` by default |
|`master_allowed_remote_ips` | List of CIDR blocks allowed to initiate an API connection, `["0.0.0.0/0"]` by default |
|`bastion_allowed_ports` | List of ports to open on bastion node, `[]` by default |
|`k8s_allowed_remote_ips` | List of CIDR allowed to initiate a SSH connection, empty by default |
|`worker_allowed_ports` | List of ports to open on worker nodes, `[{ "protocol" = "tcp", "port_range_min" = 30000, "port_range_max" = 32767, "remote_ip_prefix" = "0.0.0.0/0"}]` by default |
|`master_allowed_ports` | List of ports to open on master nodes, expected format is `[{ "protocol" = "tcp", "port_range_min" = 443, "port_range_max" = 443, "remote_ip_prefix" = "0.0.0.0/0"}]`, empty by default |

1
contrib/terraform/openstack/kubespray.tf
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@ -84,6 +84,7 @@ module "compute" {
supplementary_node_groups = var.supplementary_node_groups
master_allowed_ports = var.master_allowed_ports
worker_allowed_ports = var.worker_allowed_ports
bastion_allowed_ports = var.bastion_allowed_ports
use_access_ip = var.use_access_ip
master_server_group_policy = var.master_server_group_policy
node_server_group_policy = var.node_server_group_policy

11
contrib/terraform/openstack/modules/compute/main.tf
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@ -82,6 +82,17 @@ resource "openstack_networking_secgroup_rule_v2" "bastion" {
security_group_id = openstack_networking_secgroup_v2.bastion[0].id
}
resource "openstack_networking_secgroup_rule_v2" "k8s_bastion_ports" {
count = length(var.bastion_allowed_ports)
direction = "ingress"
ethertype = "IPv4"
protocol = lookup(var.bastion_allowed_ports[count.index], "protocol", "tcp")
port_range_min = lookup(var.bastion_allowed_ports[count.index], "port_range_min")
port_range_max = lookup(var.bastion_allowed_ports[count.index], "port_range_max")
remote_ip_prefix = lookup(var.bastion_allowed_ports[count.index], "remote_ip_prefix", "0.0.0.0/0")
security_group_id = openstack_networking_secgroup_v2.bastion[0].id
}
resource "openstack_networking_secgroup_v2" "k8s" {
name = "${var.cluster_name}-k8s"
description = "${var.cluster_name} - Kubernetes"

4
contrib/terraform/openstack/modules/compute/variables.tf
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@ -136,6 +136,10 @@ variable "worker_allowed_ports" {
type = list
}
variable "bastion_allowed_ports" {
type = list
}
variable "use_access_ip" {}
variable "master_server_group_policy" {

6
contrib/terraform/openstack/variables.tf
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@ -257,6 +257,12 @@ variable "worker_allowed_ports" {
]
}
variable "bastion_allowed_ports" {
type = list(any)
default = []
}
variable "use_access_ip" {
default = 1
}