blob: 6e0c0a3f564ee23240803b847f7236d24e0c91a1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
terraform {
required_providers {
libvirt = {
source = "dmacvicar/libvirt"
version = ">= 0.6.2"
}
}
backend "pg" {
conn_str = "postgres://terraform_local@localhost/terraform_local?sslmode=disable"
}
}
provider "libvirt" {
uri = var.libvirt_provider_uri
}
resource "libvirt_volume" "base_volume" {
name = "vm_base_volume"
source = var.vm_image_source
}
resource "libvirt_volume" "control_plane_volume" {
name = "control_plane_${count.index}.qcow2"
base_volume_id = libvirt_volume.base_volume.id
count = var.control_plane_count
}
resource "libvirt_volume" "node_volume" {
name = "worker_${count.index}.qcow2"
base_volume_id = libvirt_volume.base_volume.id
count = var.node_count
}
resource "libvirt_volume" "load_balancer_volume" {
name = "load_balancer_${count.index}.qcow2"
base_volume_id = libvirt_volume.base_volume.id
count = var.load_balancer_count
}
# Public ssh key for vm (it is directly injected in cloud-init configuration) #
data "template_file" "public_ssh_key" {
template = file("${var.vm_ssh_private_key}.pub")
}
# Cloud-init configuration template #
data "template_file" "cloud_init_tpl" {
template = file("templates/cloud_init.cfg.tpl")
vars = {
ssh_public_key = data.template_file.public_ssh_key.rendered
}
}
# Cloud-init configuration template for load balancer #
data "template_file" "cloud_init_load_balancer_tpl" {
template = file("templates/cloud_init_load_balancer.cfg.tpl")
vars = {
ssh_public_key = data.template_file.public_ssh_key.rendered
}
}
# Creates cloud-init configuration file from template for node #
resource "local_file" "cloud_init_node_file" {
content = data.template_file.cloud_init_tpl.rendered
filename = "config/cloud_init.cfg"
}
# Creates cloud-init configuration file from template for load balancer #
resource "local_file" "cloud_init_load_balancer_file" {
content = data.template_file.cloud_init_load_balancer_tpl.rendered
filename = "config/cloud_init_load_balancer.cfg"
}
data "template_file" "network_config" {
template = file("${path.module}/cloud-init/network_config.yaml")
}
resource "libvirt_cloudinit_disk" "cloud_init_k8s" {
name = "cloud_init_k8s.iso"
user_data = data.template_file.cloud_init_tpl.rendered
network_config = data.template_file.network_config.rendered
}
resource "libvirt_cloudinit_disk" "cloud_init_load_balancer" {
name = "cloud_init_load_balancer.iso"
user_data = data.template_file.cloud_init_load_balancer_tpl.rendered
network_config = data.template_file.network_config.rendered
}
resource "libvirt_network" "vm_net" {
name = "vm_net"
mode = "bridge"
bridge = "virbr0"
autostart = true
}
resource "libvirt_domain" "load_balancer" {
name = "load_balancer${count.index}"
description = "Kubernetes Load Balancer ${count.index}"
cpu = {
mode = "host-passthrough"
}
vcpu = 1
memory = "1024"
cloudinit = libvirt_cloudinit_disk.cloud_init_load_balancer.id
disk {
volume_id = libvirt_volume.load_balancer_volume[count.index].id
}
qemu_agent = true
autostart = true
running = true
count = var.load_balancer_count
network_interface {
network_id = libvirt_network.vm_net.id
hostname = "load-balancer${count.index}"
mac = "AA:BB:CC:11:33:0${count.index}"
wait_for_lease = true
}
}
resource "libvirt_domain" "control_plane" {
name = "controller${count.index}"
description = "Kubernetes control plane ${count.index}"
cpu = {
mode = "host-passthrough"
}
vcpu = 2
memory = "2048"
cloudinit = libvirt_cloudinit_disk.cloud_init_k8s.id
disk {
volume_id = libvirt_volume.control_plane_volume[count.index].id
}
network_interface {
network_id = libvirt_network.vm_net.id
hostname = "controller${count.index}"
mac = "AA:BB:CC:11:11:0${count.index}"
wait_for_lease = true
}
qemu_agent = true
autostart = true
running = true
count = var.control_plane_count
}
resource "libvirt_domain" "node" {
name = "worker${count.index}"
description = "Kubernetes Node ${count.index}"
cpu = {
mode = "host-passthrough"
}
vcpu = 2
memory = "2048"
cloudinit = libvirt_cloudinit_disk.cloud_init_k8s.id
disk {
volume_id = libvirt_volume.node_volume[count.index].id
}
qemu_agent = true
autostart = true
running = true
count = var.node_count
network_interface {
network_id = libvirt_network.vm_net.id
hostname = "worker${count.index}"
mac = "AA:BB:CC:11:22:0${count.index}"
wait_for_lease = true
}
}
output "load_balancer_ip_addresses" {
value = libvirt_domain.load_balancer.*.network_interface.0.addresses
}
output "control_plane_ip_addresses" {
value = libvirt_domain.control_plane.*.network_interface.0.addresses
}
output "node_ip_addresses" {
value = libvirt_domain.node.*.network_interface.0.addresses
}
|