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Proposing fixes for contrib/terraform/vsphere/ #8436 (#8441) 

* fixes issues in vSphere Terraform contrib. #8436

* fix formatting

* add variables to the main module and document changes

* add missing newline
This commit is contained in:
ceesios 2022-01-25 14:24:30 +01:00 committed by GitHub
parent d64b341b38
commit d86a3b962c
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11 changed files with 95 additions and 63 deletions
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5
contrib/terraform/vsphere/README.md
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@ -105,8 +105,7 @@ ansible-playbook -i inventory.ini ../../cluster.yml -b -v
* `vsphere_datacenter`: The identifier of vSphere data center
* `vsphere_compute_cluster`: The identifier of vSphere compute cluster
* `vsphere_datastore`: The identifier of vSphere data store
* `vsphere_server`: The address of vSphere server
* `vsphere_hostname`: The IP address of vSphere hostname
* `vsphere_server`: This is the vCenter server name or address for vSphere API operations.
* `ssh_public_keys`: List of public SSH keys to install on all machines
* `template_name`: The name of a base image (the OVF template be defined in vSphere beforehand)
@ -125,5 +124,7 @@ ansible-playbook -i inventory.ini ../../cluster.yml -b -v
* `worker_cores`: The number of CPU cores for the worker nodes (default: 16)
* `worker_memory`: The amount of RAM for the worker nodes in MB (default: 8192)
* `worker_disk_size`: The amount of disk space for the worker nodes in GB (default: 100)
* `vapp`: Boolean to set the template type to vapp. (Default: false)
* `interface_name`: Name of the interface to configure. (Default: ens192)
An example variables file can be found `default.tfvars`

1
contrib/terraform/vsphere/default.tfvars
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@ -34,6 +34,5 @@ vsphere_datacenter = "i-did-not-read-the-docs"
vsphere_compute_cluster = "i-did-not-read-the-docs" # e.g. Cluster
vsphere_datastore = "i-did-not-read-the-docs" # e.g. ssd-000000
vsphere_server = "i-did-not-read-the-docs" # e.g. vsphere.server.com
vsphere_hostname = "i-did-not-read-the-docs" # e.g. 192.168.0.2
template_name = "i-did-not-read-the-docs" # e.g. ubuntu-bionic-18.04-cloudimg

38
contrib/terraform/vsphere/main.tf
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@ -23,11 +23,6 @@ data "vsphere_network" "network" {
datacenter_id = data.vsphere_datacenter.dc.id
}
data "vsphere_host" "host" {
name = var.vsphere_hostname
datacenter_id = data.vsphere_datacenter.dc.id
}
data "vsphere_virtual_machine" "template" {
name = var.template_name
datacenter_id = data.vsphere_datacenter.dc.id
@ -40,7 +35,7 @@ data "vsphere_compute_cluster" "compute_cluster" {
resource "vsphere_resource_pool" "pool" {
name = "${var.prefix}-cluster-pool"
parent_resource_pool_id = data.vsphere_host.host.resource_pool_id
parent_resource_pool_id = data.vsphere_compute_cluster.compute_cluster.resource_pool_id
}
module "kubernetes" {
@ -74,11 +69,13 @@ module "kubernetes" {
scsi_type = data.vsphere_virtual_machine.template.scsi_type
network_id = data.vsphere_network.network.id
adapter_type = data.vsphere_virtual_machine.template.network_interface_types[0]
interface_name = var.interface_name
firmware = var.firmware
hardware_version = var.hardware_version
disk_thin_provisioned = data.vsphere_virtual_machine.template.disks.0.thin_provisioned
template_id = data.vsphere_virtual_machine.template.id
vapp = var.vapp
ssh_public_keys = var.ssh_public_keys
}
@ -87,30 +84,17 @@ module "kubernetes" {
# Generate ansible inventory
#
data "template_file" "inventory" {
template = file("${path.module}/templates/inventory.tpl")
vars = {
resource "local_file" "inventory" {
content = templatefile("${path.module}/templates/inventory.tpl", {
connection_strings_master = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s etcd_member_name=etcd%d",
keys(module.kubernetes.master_ip),
values(module.kubernetes.master_ip),
range(1, length(module.kubernetes.master_ip) + 1)))
range(1, length(module.kubernetes.master_ip) + 1))),
connection_strings_worker = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s",
keys(module.kubernetes.worker_ip),
values(module.kubernetes.worker_ip)))
list_master = join("\n", formatlist("%s",
keys(module.kubernetes.master_ip)))
list_worker = join("\n", formatlist("%s",
keys(module.kubernetes.worker_ip)))
}
}
resource "null_resource" "inventories" {
provisioner "local-exec" {
command = "echo '${data.template_file.inventory.rendered}' > ${var.inventory_file}"
}
triggers = {
template = data.template_file.inventory.rendered
}
values(module.kubernetes.worker_ip))),
list_master = join("\n", formatlist("%s", keys(module.kubernetes.master_ip))),
list_worker = join("\n", formatlist("%s", keys(module.kubernetes.worker_ip)))
})
filename = var.inventory_file
}

60
contrib/terraform/vsphere/modules/kubernetes-cluster/main.tf
View File

@ -46,15 +46,31 @@ resource "vsphere_virtual_machine" "worker" {
client_device = true
}
vapp {
properties = {
"user-data" = base64encode(templatefile("${path.module}/templates/cloud-init.tmpl", { ip = each.value.ip,
netmask = each.value.netmask,
gw = var.gateway,
dns = var.dns_primary,
ssh_public_keys = var.ssh_public_keys}))
dynamic "vapp" {
for_each = var.vapp ? [1] : []
content {
properties = {
"user-data" = base64encode(templatefile("${path.module}/templates/vapp-cloud-init.tpl", { ssh_public_keys = var.ssh_public_keys }))
}
}
}
extra_config = {
"isolation.tools.copy.disable" = "FALSE"
"isolation.tools.paste.disable" = "FALSE"
"isolation.tools.setGUIOptions.enable" = "TRUE"
"guestinfo.userdata" = base64encode(templatefile("${path.module}/templates/cloud-init.tpl", { ssh_public_keys = var.ssh_public_keys }))
"guestinfo.userdata.encoding" = "base64"
"guestinfo.metadata" = base64encode(templatefile("${path.module}/templates/metadata.tpl", { hostname = "${var.prefix}-${each.key}",
interface_name = var.interface_name
ip = each.value.ip,
netmask = each.value.netmask,
gw = var.gateway,
dns = var.dns_primary,
ssh_public_keys = var.ssh_public_keys }))
"guestinfo.metadata.encoding" = "base64"
}
}
resource "vsphere_virtual_machine" "master" {
@ -105,13 +121,29 @@ resource "vsphere_virtual_machine" "master" {
client_device = true
}
vapp {
properties = {
"user-data" = base64encode(templatefile("${path.module}/templates/cloud-init.tmpl", { ip = each.value.ip,
netmask = each.value.netmask,
gw = var.gateway,
dns = var.dns_primary,
ssh_public_keys = var.ssh_public_keys}))
dynamic "vapp" {
for_each = var.vapp ? [1] : []
content {
properties = {
"user-data" = base64encode(templatefile("${path.module}/templates/vapp-cloud-init.tpl", { ssh_public_keys = var.ssh_public_keys }))
}
}
}
extra_config = {
"isolation.tools.copy.disable" = "FALSE"
"isolation.tools.paste.disable" = "FALSE"
"isolation.tools.setGUIOptions.enable" = "TRUE"
"guestinfo.userdata" = base64encode(templatefile("${path.module}/templates/cloud-init.tpl", { ssh_public_keys = var.ssh_public_keys }))
"guestinfo.userdata.encoding" = "base64"
"guestinfo.metadata" = base64encode(templatefile("${path.module}/templates/metadata.tpl", { hostname = "${var.prefix}-${each.key}",
interface_name = var.interface_name
ip = each.value.ip,
netmask = each.value.netmask,
gw = var.gateway,
dns = var.dns_primary,
ssh_public_keys = var.ssh_public_keys }))
"guestinfo.metadata.encoding" = "base64"
}
}

5
contrib/terraform/vsphere/modules/kubernetes-cluster/output.tf
View File

@ -1,7 +1,7 @@
output "master_ip" {
value = {
for name, machine in var.machines :
name => machine.ip
"${var.prefix}-${name}" => machine.ip
if machine.node_type == "master"
}
}
@ -9,8 +9,7 @@ output "master_ip" {
output "worker_ip" {
value = {
for name, machine in var.machines :
name => machine.ip
"${var.prefix}-${name}" => machine.ip
if machine.node_type == "worker"
}
}

6
contrib/terraform/vsphere/modules/kubernetes-cluster/templates/cloud-init.tpl Normal file
View File

@ -0,0 +1,6 @@
#cloud-config
ssh_authorized_keys:
%{ for ssh_public_key in ssh_public_keys ~}
- ${ssh_public_key}
%{ endfor ~}

14
contrib/terraform/vsphere/modules/kubernetes-cluster/templates/metadata.tpl Normal file
View File

@ -0,0 +1,14 @@
instance-id: ${hostname}
local-hostname: ${hostname}
network:
version: 2
ethernets:
${interface_name}:
match:
name: ${interface_name}
dhcp4: false
addresses:
- ${ip}/${netmask}
gateway4: ${gw}
nameservers:
addresses: [${dns}]

15
contrib/terraform/vsphere/modules/kubernetes-cluster/templates/cloud-init.tmpl → contrib/terraform/vsphere/modules/kubernetes-cluster/templates/vapp-cloud-init.tpl
View File

@ -6,23 +6,12 @@ ssh_authorized_keys:
%{ endfor ~}
write_files:
- path: /etc/netplan/20-internal-network.yaml
content: |
network:
version: 2
ethernets:
"lo:0":
match:
name: lo
dhcp4: false
addresses:
- 172.17.0.100/32
- path: /etc/netplan/10-user-network.yaml
content: |
content: |.
network:
version: 2
ethernets:
ens192:
${interface_name}:
dhcp4: false #true to use dhcp
addresses:
- ${ip}/${netmask}

4
contrib/terraform/vsphere/modules/kubernetes-cluster/variables.tf
View File

@ -18,9 +18,13 @@ variable "datastore_id" {}
variable "guest_id" {}
variable "scsi_type" {}
variable "network_id" {}
variable "interface_name" {}
variable "adapter_type" {}
variable "disk_thin_provisioned" {}
variable "template_id" {}
variable "vapp" {
type = bool
}
variable "firmware" {}
variable "folder" {}
variable "ssh_public_keys" {

1
contrib/terraform/vsphere/sample-inventory/cluster.tfvars
View File

@ -29,6 +29,5 @@ vsphere_datacenter = "i-did-not-read-the-docs"
vsphere_compute_cluster = "i-did-not-read-the-docs" # e.g. Cluster
vsphere_datastore = "i-did-not-read-the-docs" # e.g. ssd-000000
vsphere_server = "i-did-not-read-the-docs" # e.g. vsphere.server.com
vsphere_hostname = "i-did-not-read-the-docs" # e.g. 192.168.0.2
template_name = "i-did-not-read-the-docs" # e.g. ubuntu-bionic-18.04-cloudimg

9
contrib/terraform/vsphere/variables.tf
View File

@ -27,8 +27,6 @@ variable "vsphere_password" {}
variable "vsphere_server" {}
variable "vsphere_hostname" {}
variable "ssh_public_keys" {
description = "List of public SSH keys which are injected into the VMs."
type = list(string)
@ -37,6 +35,13 @@ variable "ssh_public_keys" {
variable "template_name" {}
# Optional variables (ones where reasonable defaults exist)
variable "vapp" {
default = false
}
variable "interface_name" {
default = "ens192"
}
variable "folder" {
default = ""