-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.tf
181 lines (153 loc) · 10.5 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
/**
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This file was automatically generated from a template in ./autogen/main
/******************************************
Get available zones in region
*****************************************/
data "google_compute_zones" "available" {
provider = google
project = var.project_id
region = local.region
}
resource "random_shuffle" "available_zones" {
input = data.google_compute_zones.available.names
result_count = 3
}
locals {
// ID of the cluster
cluster_id = google_container_cluster.primary.id
// location
location = var.regional ? var.region : var.zones[0]
region = var.regional ? var.region : join("-", slice(split("-", var.zones[0]), 0, 2))
// for regional cluster - use var.zones if provided, use available otherwise, for zonal cluster use var.zones with first element extracted
node_locations = var.regional ? coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result)) : slice(var.zones, 1, length(var.zones))
// Kubernetes version
master_version_regional = var.kubernetes_version != "latest" ? var.kubernetes_version : data.google_container_engine_versions.region.latest_master_version
master_version_zonal = var.kubernetes_version != "latest" ? var.kubernetes_version : data.google_container_engine_versions.zone.latest_master_version
master_version = var.regional ? local.master_version_regional : local.master_version_zonal
// Build a map of maps of node pools from a list of objects
node_pool_names = [for np in toset(var.node_pools) : np.name]
node_pools = zipmap(local.node_pool_names, tolist(toset(var.node_pools)))
windows_node_pool_names = [for np in toset(var.windows_node_pools) : np.name]
windows_node_pools = zipmap(local.windows_node_pool_names, tolist(toset(var.windows_node_pools)))
release_channel = var.release_channel != null ? [{ channel : var.release_channel }] : []
gateway_api_config = var.gateway_api_channel != null ? [{ channel : var.gateway_api_channel }] : []
autoscaling_resource_limits = var.cluster_autoscaling.enabled ? concat([{
resource_type = "cpu"
minimum = var.cluster_autoscaling.min_cpu_cores
maximum = var.cluster_autoscaling.max_cpu_cores
}, {
resource_type = "memory"
minimum = var.cluster_autoscaling.min_memory_gb
maximum = var.cluster_autoscaling.max_memory_gb
}], var.cluster_autoscaling.gpu_resources) : []
custom_kube_dns_config = length(keys(var.stub_domains)) > 0
upstream_nameservers_config = length(var.upstream_nameservers) > 0
network_project_id = var.network_project_id != "" ? var.network_project_id : var.project_id
zone_count = length(var.zones)
cluster_type = var.regional ? "regional" : "zonal"
// auto upgrade by defaults only for regional cluster as long it has multiple masters versus zonal clusters have only have a single master so upgrades are more dangerous.
default_auto_upgrade = var.regional ? true : false
cluster_subnet_cidr = var.add_cluster_firewall_rules ? data.google_compute_subnetwork.gke_subnetwork[0].ip_cidr_range : null
cluster_alias_ranges_cidr = var.add_cluster_firewall_rules ? { for range in toset(data.google_compute_subnetwork.gke_subnetwork[0].secondary_ip_range) : range.range_name => range.ip_cidr_range } : {}
pod_all_ip_ranges = var.add_cluster_firewall_rules ? compact(concat([local.cluster_alias_ranges_cidr[var.ip_range_pods]], [for k, v in merge(local.node_pools, local.windows_node_pools) : local.cluster_alias_ranges_cidr[v.pod_range] if length(lookup(v, "pod_range", "")) > 0])) : []
cluster_network_policy = var.network_policy ? [{
enabled = true
provider = var.network_policy_provider
}] : [{
enabled = false
provider = null
}]
cluster_gce_pd_csi_config = var.gce_pd_csi_driver ? [{ enabled = true }] : [{ enabled = false }]
logmon_config_is_set = length(var.logging_enabled_components) > 0 || length(var.monitoring_enabled_components) > 0 || var.monitoring_enable_managed_prometheus
gke_backup_agent_config = var.gke_backup_agent_config ? [{ enabled = true }] : [{ enabled = false }]
cluster_authenticator_security_group = var.authenticator_security_group == null ? [] : [{
security_group = var.authenticator_security_group
}]
// legacy mappings https://github.com/hashicorp/terraform-provider-google/pull/10238
old_node_metadata_config_mapping = { GKE_METADATA_SERVER = "GKE_METADATA", EXPOSE = "GCE_METADATA" }
cluster_node_metadata_config = var.node_metadata == "UNSPECIFIED" ? [] : [{
mode = lookup(local.old_node_metadata_config_mapping, var.node_metadata, var.node_metadata)
}]
cluster_output_name = google_container_cluster.primary.name
cluster_output_regional_zones = google_container_cluster.primary.node_locations
cluster_output_zonal_zones = local.zone_count > 1 ? slice(var.zones, 1, local.zone_count) : []
cluster_output_zones = local.cluster_output_regional_zones
cluster_endpoint = google_container_cluster.primary.endpoint
cluster_endpoint_for_nodes = "${google_container_cluster.primary.endpoint}/32"
cluster_output_master_auth = concat(google_container_cluster.primary.*.master_auth, [])
cluster_output_master_version = google_container_cluster.primary.master_version
cluster_output_min_master_version = google_container_cluster.primary.min_master_version
cluster_output_logging_service = google_container_cluster.primary.logging_service
cluster_output_monitoring_service = google_container_cluster.primary.monitoring_service
cluster_output_network_policy_enabled = google_container_cluster.primary.addons_config.0.network_policy_config.0.disabled
cluster_output_http_load_balancing_enabled = google_container_cluster.primary.addons_config.0.http_load_balancing.0.disabled
cluster_output_horizontal_pod_autoscaling_enabled = google_container_cluster.primary.addons_config.0.horizontal_pod_autoscaling.0.disabled
cluster_output_vertical_pod_autoscaling_enabled = google_container_cluster.primary.vertical_pod_autoscaling != null && length(google_container_cluster.primary.vertical_pod_autoscaling) == 1 ? google_container_cluster.primary.vertical_pod_autoscaling.0.enabled : false
master_authorized_networks_config = length(var.master_authorized_networks) == 0 ? [] : [{
cidr_blocks : var.master_authorized_networks
}]
cluster_output_node_pools_names = concat(
[for np in google_container_node_pool.pools : np.name], [""],
[for np in google_container_node_pool.windows_pools : np.name], [""]
)
cluster_output_node_pools_versions = merge(
{ for np in google_container_node_pool.pools : np.name => np.version },
{ for np in google_container_node_pool.windows_pools : np.name => np.version },
)
cluster_master_auth_list_layer1 = local.cluster_output_master_auth
cluster_master_auth_list_layer2 = local.cluster_master_auth_list_layer1[0]
cluster_master_auth_map = local.cluster_master_auth_list_layer2[0]
cluster_location = google_container_cluster.primary.location
cluster_region = var.regional ? var.region : join("-", slice(split("-", local.cluster_location), 0, 2))
cluster_zones = sort(local.cluster_output_zones)
// node pool ID is in the form projects/<project-id>/locations/<location>/clusters/<cluster-name>/nodePools/<nodepool-name>
cluster_name_parts_from_nodepool = split("/", element(values(google_container_node_pool.pools)[*].id, 0))
cluster_name_computed = element(local.cluster_name_parts_from_nodepool, length(local.cluster_name_parts_from_nodepool) - 3)
cluster_network_tag = "gke-${var.name}"
cluster_ca_certificate = local.cluster_master_auth_map["cluster_ca_certificate"]
cluster_master_version = local.cluster_output_master_version
cluster_min_master_version = local.cluster_output_min_master_version
cluster_logging_service = local.cluster_output_logging_service
cluster_monitoring_service = local.cluster_output_monitoring_service
cluster_node_pools_names = local.cluster_output_node_pools_names
cluster_node_pools_versions = local.cluster_output_node_pools_versions
cluster_network_policy_enabled = !local.cluster_output_network_policy_enabled
cluster_http_load_balancing_enabled = !local.cluster_output_http_load_balancing_enabled
cluster_horizontal_pod_autoscaling_enabled = !local.cluster_output_horizontal_pod_autoscaling_enabled
cluster_vertical_pod_autoscaling_enabled = local.cluster_output_vertical_pod_autoscaling_enabled
workload_identity_enabled = !(var.identity_namespace == null || var.identity_namespace == "null")
cluster_workload_identity_config = !local.workload_identity_enabled ? [] : var.identity_namespace == "enabled" ? [{
workload_pool = "${var.project_id}.svc.id.goog" }] : [{ workload_pool = var.identity_namespace
}]
cluster_maintenance_window_is_recurring = var.maintenance_recurrence != "" && var.maintenance_end_time != "" ? [1] : []
cluster_maintenance_window_is_daily = length(local.cluster_maintenance_window_is_recurring) > 0 ? [] : [1]
}
/******************************************
Get available container engine versions
*****************************************/
data "google_container_engine_versions" "region" {
location = local.location
project = var.project_id
}
data "google_container_engine_versions" "zone" {
// Work around to prevent a lack of zone declaration from causing regional cluster creation from erroring out due to error
//
// data.google_container_engine_versions.zone: Cannot determine zone: set in this resource, or set provider-level zone.
//
location = local.zone_count == 0 ? data.google_compute_zones.available.names[0] : var.zones[0]
project = var.project_id
}