-
Notifications
You must be signed in to change notification settings - Fork 95
/
main.tf
188 lines (171 loc) · 7.08 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
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
184
185
186
187
188
// ----------------------------------------------------------------------------
// Enable DNS API
//
// https://www.terraform.io/docs/providers/google/d/google_kms_key_ring.html
// ---------------------------------------------------------------------------
resource "google_project_service" "dns_api" {
provider = google
project = var.gcp_project
service = "dns.googleapis.com"
disable_on_destroy = false
}
// ----------------------------------------------------------------------------
// Setup GCloud Service Accounts for DNS
//
// https://www.terraform.io/docs/providers/google/r/google_service_account.html
// https://www.terraform.io/docs/providers/google/r/google_project_iam.html#google_project_iam_member
// ----------------------------------------------------------------------------
resource "google_service_account" "dns_sa" {
provider = google
account_id = "${var.cluster_name}-dn"
display_name = substr("ExternalDNS service account for cluster ${var.cluster_name}", 0, 100)
}
resource "google_project_iam_member" "externaldns_sa_dns_admin_binding" {
provider = google
project = var.gcp_project
role = "roles/dns.admin"
member = "serviceAccount:${google_service_account.dns_sa.email}"
}
// ----------------------------------------------------------------------------
// DNS configuration
// ----------------------------------------------------------------------------
// if we have a subdomain managed the zone here and add recordsets to the apex zone
resource "google_dns_managed_zone" "externaldns_managed_zone_with_sub" {
count = var.apex_domain != "" && var.subdomain != "" ? 1 : 0
name = "${replace(var.subdomain, ".", "-")}-${replace(var.apex_domain, ".", "-")}-sub"
dns_name = "${var.subdomain}.${var.apex_domain}."
description = "JX DNS subdomain zone managed by terraform"
force_destroy = true
}
resource "google_dns_record_set" "externaldns_record_set_with_sub" {
count = var.apex_domain != "" && var.subdomain != "" && var.apex_domain_integration_enabled ? 1 : 0
name = google_dns_managed_zone.externaldns_managed_zone_with_sub[count.index].dns_name
managed_zone = replace(var.apex_domain, ".", "-")
type = "NS"
ttl = 60
project = var.apex_domain_gcp_project
rrdatas = flatten(google_dns_managed_zone.externaldns_managed_zone_with_sub[count.index].name_servers)
depends_on = [google_dns_managed_zone.externaldns_managed_zone_with_sub]
}
// ----------------------------------------------------------------------------
// Create Kubernetes service accounts for ExternalDNS
// See https://github.com/kubernetes-sigs/external-dns
// ----------------------------------------------------------------------------
resource "google_service_account_iam_member" "exdns_external_dns_workload_identity_user" {
count = var.jx2 ? 1 : 0
provider = google
service_account_id = google_service_account.dns_sa.name
role = "roles/iam.workloadIdentityUser"
member = "serviceAccount:${var.gcp_project}.svc.id.goog[${var.jenkins_x_namespace}/exdns-external-dns]"
}
// ----------------------------------------------------------------------------
// Create Kubernetes service accounts for ExternalDNS
// See https://github.com/kubernetes-sigs/external-dns
// ----------------------------------------------------------------------------
resource "google_service_account_iam_member" "exdns_external_dns_workload_identity_userv3" {
count = var.jx2 ? 0 : 1
provider = google
service_account_id = google_service_account.dns_sa.name
role = "roles/iam.workloadIdentityUser"
member = "serviceAccount:${var.gcp_project}.svc.id.goog[${var.jenkins_x_namespace}/external-dns]"
}
// ----------------------------------------------------------------------------
// Create Kubernetes service accounts for ExternalDNS
// See https://github.com/kubernetes-sigs/external-dns
// ----------------------------------------------------------------------------
resource "google_service_account_iam_member" "certmanager_workload_identity_userv3" {
count = var.jx2 ? 0 : 1
provider = google
service_account_id = google_service_account.dns_sa.name
role = "roles/iam.workloadIdentityUser"
member = "serviceAccount:${var.gcp_project}.svc.id.goog[cert-manager/cert-manager]"
}
resource "kubernetes_service_account" "exdns-external-dns" {
count = var.jx2 ? 1 : 0
automount_service_account_token = true
metadata {
name = "exdns-external-dns"
namespace = var.jenkins_x_namespace
annotations = {
"iam.gke.io/gcp-service-account" = google_service_account.dns_sa.email
}
}
lifecycle {
ignore_changes = [
metadata[0].labels,
metadata[0].annotations,
secret
]
}
}
// ----------------------------------------------------------------------------
// Create Kubernetes namespace and service accounts for cert-manager
// See https://github.com/jetstack/cert-manager
// ----------------------------------------------------------------------------
resource "kubernetes_namespace" "cert-manager" {
count = var.jx2 ? 1 : 0
metadata {
name = var.cert-manager-namespace
}
lifecycle {
ignore_changes = [
metadata[0].labels,
metadata[0].annotations,
]
}
}
resource "google_service_account_iam_member" "cm_cert_manager_workload_identity_user" {
provider = google
service_account_id = google_service_account.dns_sa.name
role = "roles/iam.workloadIdentityUser"
member = "serviceAccount:${var.gcp_project}.svc.id.goog[${var.cert-manager-namespace}/cm-cert-manager]"
}
resource "kubernetes_service_account" "cm-cert-manager" {
count = var.jx2 ? 1 : 0
automount_service_account_token = true
metadata {
name = "cm-cert-manager"
namespace = var.cert-manager-namespace
annotations = {
"iam.gke.io/gcp-service-account" = google_service_account.dns_sa.email
}
}
lifecycle {
ignore_changes = [
metadata[0].labels,
metadata[0].annotations,
secret
]
}
depends_on = [
kubernetes_namespace.cert-manager
]
}
resource "google_service_account_iam_member" "cm_cainjector_workload_identity_user" {
count = var.jx2 ? 1 : 0
provider = google
service_account_id = google_service_account.dns_sa.name
role = "roles/iam.workloadIdentityUser"
member = "serviceAccount:${var.gcp_project}.svc.id.goog[${var.cert-manager-namespace}/cm-cainjector]"
}
resource "kubernetes_service_account" "cm-cainjector" {
count = var.jx2 ? 1 : 0
automount_service_account_token = true
metadata {
name = "cm-cainjector"
namespace = var.cert-manager-namespace
annotations = {
"iam.gke.io/gcp-service-account" = google_service_account.dns_sa.email
}
}
lifecycle {
ignore_changes = [
metadata[0].labels,
metadata[0].annotations,
secret
]
}
depends_on = [
kubernetes_namespace.cert-manager
]
}