-
Notifications
You must be signed in to change notification settings - Fork 40
/
main.tf
145 lines (130 loc) · 3.84 KB
/
main.tf
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
# Cluster settings
variable cluster_prefix {}
variable kubenow_image {}
variable kubeadm_token {}
variable ssh_user { default = "ubuntu" }
variable ssh_key {}
# Google credentials
variable gce_project {}
variable gce_zone {}
variable gce_credentials_file {}
# Master settings
variable master_flavor {}
variable master_disk_size {}
# Nodes settings
variable node_count {}
variable node_flavor {}
variable node_disk_size {}
# Edges settings
variable edge_count {}
variable edge_flavor {}
variable edge_disk_size {}
# Provider
provider "google" {
credentials = "${file("${var.gce_credentials_file}")}"
project = "${var.gce_project}"
region = "${var.gce_zone}"
}
# Network (here would be nice with condition)
module "network" {
source = "./network"
network_name = "${var.cluster_prefix}"
}
module "master" {
# Core settings
source = "./node"
count = "1"
name_prefix = "${var.cluster_prefix}-master"
flavor_name = "${var.master_flavor}"
image_name = "${var.kubenow_image}"
zone = "${var.gce_zone}"
# SSH settings
ssh_user = "${var.ssh_user}"
ssh_key = "${var.ssh_key}"
# Network settings
network_name = "${module.network.network_name}"
# Disk settings
disk_size = "${var.master_disk_size}"
# Bootstrap settings
bootstrap_file = "bootstrap/master.sh"
kubeadm_token = "${var.kubeadm_token}"
node_labels = [""]
node_taints = [""]
master_ip = ""
}
module "node" {
# Core settings
source = "./node"
count = "${var.node_count}"
name_prefix = "${var.cluster_prefix}-node"
flavor_name = "${var.node_flavor}"
image_name = "${var.kubenow_image}"
zone = "${var.gce_zone}"
# SSH settings
ssh_user = "${var.ssh_user}"
ssh_key = "${var.ssh_key}"
# Network settings
network_name = "${module.network.network_name}"
# Disk settings
disk_size = "${var.node_disk_size}"
# Bootstrap settings
bootstrap_file = "bootstrap/node.sh"
kubeadm_token = "${var.kubeadm_token}"
node_labels = ["role=node"]
node_taints = [""]
master_ip = "${element(module.master.local_ip_v4, 0)}"
}
module "edge" {
# Core settings
source = "./node"
count = "${var.edge_count}"
name_prefix = "${var.cluster_prefix}-edge"
flavor_name = "${var.edge_flavor}"
image_name = "${var.kubenow_image}"
zone = "${var.gce_zone}"
# SSH settings
ssh_user = "${var.ssh_user}"
ssh_key = "${var.ssh_key}"
# Network settings
network_name = "${module.network.network_name}"
# Disk settings
disk_size = "${var.edge_disk_size}"
# Bootstrap settings
bootstrap_file = "bootstrap/node.sh"
kubeadm_token = "${var.kubeadm_token}"
node_labels = ["role=edge"]
node_taints = [""]
master_ip = "${element(module.master.local_ip_v4, 0)}"
}
# Generate Ansible inventory (identical for each cloud provider)
resource "null_resource" "generate-inventory" {
# Changes to any node IP trigger inventory rewrite
triggers {
master_ips = "${join(",", module.master.local_ip_v4)}"
node_ips = "${join(",", module.node.local_ip_v4)}"
edge_ips = "${join(",", module.edge.local_ip_v4)}"
}
# Write master
provisioner "local-exec" {
command = "echo \"[master]\" > inventory"
}
# output the lists formated
provisioner "local-exec" {
command = "echo \"${join("\n",formatlist("%s ansible_ssh_host=%s ansible_ssh_user=ubuntu", module.master.hostnames, module.master.public_ip))}\" >> inventory"
}
# Write edges
provisioner "local-exec" {
command = "echo \"[edge]\" >> inventory"
}
# output the lists formated
provisioner "local-exec" {
command = "echo \"${join("\n",formatlist("%s ansible_ssh_host=%s ansible_ssh_user=ubuntu", module.edge.hostnames, module.edge.public_ip))}\" >> inventory"
}
# Write other variables
provisioner "local-exec" {
command = "echo \"[master:vars]\" >> inventory"
}
provisioner "local-exec" {
command = "echo \"nodes_count=${1 + var.edge_count + var.node_count} \" >> inventory"
}
}