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Change from Nova security groups to Neutron (#2910)

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* Replace `openstack_compute_secgroup_v2` with `openstack_networking_secgroup_v2`

The `openstack_networking_secgroup_v2` resource allow specifications of
both ingress and egress. Nova security groups define ingress rules only.

This change will also allow for more user-friendly specified security
rules, as the different security group resources have different HCL
syntax.
This commit is contained in:
Andreas Holmsten 2018-09-28 11:35:02 +02:00 committed by Antoine Legrand
parent 0232e755f3
commit 0a9a42b544
6 changed files with 74 additions and 72 deletions
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1
contrib/terraform/openstack/README.md
View file

@ -224,6 +224,7 @@ For your cluster, edit `inventory/$CLUSTER/cluster.tf`.
| `gfs_volume_size_in_gb` | Size of the non-ephemeral volumes to be attached to store the GlusterFS bricks |
|`supplementary_master_groups` | To add ansible groups to the masters, such as `kube-node` for tainting them as nodes, empty by default. |
|`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 |
#### Terraform state files

1
contrib/terraform/openstack/kubespray.tf
View file

@ -50,6 +50,7 @@ module "compute" {
k8s_master_fips = "${module.ips.k8s_master_fips}"
k8s_node_fips = "${module.ips.k8s_node_fips}"
bastion_fips = "${module.ips.bastion_fips}"
bastion_allowed_remote_ips = "${var.bastion_allowed_remote_ips}"
supplementary_master_groups = "${var.supplementary_master_groups}"
supplementary_node_groups = "${var.supplementary_node_groups}"

132
contrib/terraform/openstack/modules/compute/main.tf
View file

@ -3,72 +3,62 @@ resource "openstack_compute_keypair_v2" "k8s" {
public_key = "${chomp(file(var.public_key_path))}"
}
resource "openstack_compute_secgroup_v2" "k8s_master" {
resource "openstack_networking_secgroup_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master"
description = "${var.cluster_name} - Kubernetes Master"
rule {
ip_protocol = "tcp"
from_port = "6443"
to_port = "6443"
cidr = "0.0.0.0/0"
}
}
resource "openstack_compute_secgroup_v2" "bastion" {
resource "openstack_networking_secgroup_rule_v2" "k8s_master" {
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "6443"
port_range_max = "6443"
remote_ip_prefix = "0.0.0.0/0"
security_group_id = "${openstack_networking_secgroup_v2.k8s_master.id}"
}
resource "openstack_networking_secgroup_v2" "bastion" {
name = "${var.cluster_name}-bastion"
description = "${var.cluster_name} - Bastion Server"
rule {
ip_protocol = "tcp"
from_port = "22"
to_port = "22"
cidr = "0.0.0.0/0"
}
}
resource "openstack_compute_secgroup_v2" "k8s" {
resource "openstack_networking_secgroup_rule_v2" "bastion" {
count = "${length(var.bastion_allowed_remote_ips)}"
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "22"
port_range_max = "22"
remote_ip_prefix = "${var.bastion_allowed_remote_ips[count.index]}"
security_group_id = "${openstack_networking_secgroup_v2.bastion.id}"
}
resource "openstack_networking_secgroup_v2" "k8s" {
name = "${var.cluster_name}-k8s"
description = "${var.cluster_name} - Kubernetes"
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
cidr = "0.0.0.0/0"
}
rule {
ip_protocol = "tcp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "udp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
self = true
}
}
resource "openstack_compute_secgroup_v2" "worker" {
resource "openstack_networking_secgroup_rule_v2" "k8s" {
direction = "ingress"
ethertype = "IPv4"
remote_group_id = "${openstack_networking_secgroup_v2.k8s.id}"
security_group_id = "${openstack_networking_secgroup_v2.k8s.id}"
}
resource "openstack_networking_secgroup_v2" "worker" {
name = "${var.cluster_name}-k8s-worker"
description = "${var.cluster_name} - Kubernetes worker nodes"
}
rule {
ip_protocol = "tcp"
from_port = "30000"
to_port = "32767"
cidr = "0.0.0.0/0"
}
resource "openstack_networking_secgroup_rule_v2" "worker" {
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "30000"
port_range_max = "32767"
remote_ip_prefix = "0.0.0.0/0"
security_group_id = "${openstack_networking_secgroup_v2.worker.id}"
}
resource "openstack_compute_instance_v2" "bastion" {
@ -82,8 +72,8 @@ resource "openstack_compute_instance_v2" "bastion" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
"${openstack_networking_secgroup_v2.bastion.name}",
"default",
]
@ -111,9 +101,9 @@ resource "openstack_compute_instance_v2" "k8s_master" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
"${openstack_networking_secgroup_v2.bastion.name}",
"${openstack_networking_secgroup_v2.k8s.name}",
"default",
]
@ -141,9 +131,9 @@ resource "openstack_compute_instance_v2" "k8s_master_no_etcd" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
"${openstack_networking_secgroup_v2.bastion.name}",
"${openstack_networking_secgroup_v2.k8s.name}",
]
metadata = {
@ -170,7 +160,7 @@ resource "openstack_compute_instance_v2" "etcd" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}"]
security_groups = ["${openstack_networking_secgroup_v2.k8s.name}"]
metadata = {
ssh_user = "${var.ssh_user}"
@ -192,8 +182,8 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
"${openstack_networking_secgroup_v2.k8s.name}",
"default",
]
@ -217,8 +207,8 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
"${openstack_networking_secgroup_v2.k8s.name}",
]
metadata = {
@ -241,9 +231,9 @@ resource "openstack_compute_instance_v2" "k8s_node" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"${openstack_compute_secgroup_v2.worker.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
"${openstack_networking_secgroup_v2.bastion.name}",
"${openstack_networking_secgroup_v2.worker.name}",
"default",
]
@ -271,8 +261,8 @@ resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}",
"${openstack_compute_secgroup_v2.worker.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
"${openstack_networking_secgroup_v2.worker.name}",
"default",
]
@ -321,7 +311,7 @@ resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}",
security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
"default",
]

4
contrib/terraform/openstack/modules/compute/variables.tf
View file

@ -60,6 +60,10 @@ variable "bastion_fips" {
type = "list"
}
variable "bastion_allowed_remote_ips" {
type = "list"
}
variable "supplementary_master_groups" {
default = ""
}

2
contrib/terraform/openstack/sample-inventory/cluster.tf
View file

@ -43,4 +43,4 @@ network_name = "<network>"
external_net = "<UUID>"
subnet_cidr = "<cidr>"
floatingip_pool = "<pool>"
bastion_allowed_remote_ips = ["0.0.0.0/0"]

6
contrib/terraform/openstack/variables.tf
View file

@ -133,3 +133,9 @@ variable "supplementary_node_groups" {
description = "supplementary kubespray ansible groups for worker nodes, such as kube-ingress"
default = ""
}
variable "bastion_allowed_remote_ips" {
description = "An array of CIDRs allowed to SSH to hosts"
type = "list"
default = ["0.0.0.0/0"]
}