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Terraform

terraform {
required_providers {
kubernetes = {
source = "hashicorp/kubernetes"
version = "2.13.1"
}
}
}
locals {
match_labels = merge({
"app.kubernetes.io/instance" = "drone"
"app.kubernetes.io/name" = "drone-server"
}, var.match_labels)
labels = merge(local.match_labels, {
"app.kubernetes.io/version" = var.image_tag
}, var.labels)
}
resource "kubernetes_service_account" "drone_server" {
metadata {
name = "drone-server"
namespace = var.namespace
labels = local.labels
}
}
resource "kubernetes_deployment" "drone_server" {
metadata {
name = "drone-server"
namespace = var.namespace
labels = local.labels
}
spec {
replicas = 1
selector {
match_labels = local.match_labels
}
template {
metadata {
labels = local.labels
annotations = {
"ravianand.me/config-hash" = sha1(jsonencode(merge(
kubernetes_config_map.drone_server.data,
kubernetes_secret.drone_server.data
)))
}
}
spec {
service_account_name = kubernetes_service_account.drone_server.metadata.0.name
container {
image = var.image_registry == "" ? "${var.image_repository}:${var.image_tag}" : "${var.image_registry}/${var.image_repository}:${var.image_tag}"
image_pull_policy = var.image_pull_policy
name = "drone"
env_from {
config_map_ref {
name = kubernetes_config_map.drone_server.metadata.0.name
}
}
env {
name = "DRONE_GITEA_CLIENT_SECRET"
value_from {
secret_key_ref {
name = kubernetes_secret.drone_server.metadata.0.name
key = "gitea-secret"
optional = true
}
}
}
env {
name = "DRONE_RPC_SECRET"
value_from {
secret_key_ref {
name = kubernetes_secret.drone_server.metadata.0.name
key = "rpc-secret"
}
}
}
env {
name = "DRONE_DATABASE_DATASOURCE"
value_from {
secret_key_ref {
name = kubernetes_secret.drone_server.metadata.0.name
key = "database-url"
}
}
}
env {
name = "DRONE_DATABASE_SECRET"
value_from {
secret_key_ref {
name = kubernetes_secret.drone_server.metadata.0.name
key = "database-secret"
}
}
}
port {
name = "http"
container_port = 80
protocol = "TCP"
}
liveness_probe {
http_get {
path = "/healthz"
port = "http"
}
}
readiness_probe {
http_get {
path = "/healthz"
port = "http"
}
}
resources {}
}
}
}
}
}
resource "kubernetes_service" "drone_server" {
metadata {
name = "drone-server"
namespace = var.namespace
labels = local.labels
}
spec {
selector = local.match_labels
type = "ClusterIP"
port {
port = 80
name = "http"
target_port = "http"
}
}
}
resource "random_id" "rpc_secret_key" {
byte_length = 16
}
resource "random_id" "database_secret_key" {
byte_length = 16
}
resource "kubernetes_secret" "drone_server" {
metadata {
name = "drone-server"
namespace = var.namespace
}
data = {
"database-url" = var.drone_database_datasource
"rpc-secret" = random_id.rpc_secret_key.hex
"database-secret" = random_id.database_secret_key.hex
"gitea-secret" = var.drone_gitea_secret
}
}
resource "kubernetes_config_map" "drone_server" {
metadata {
name = "drone-server-env"
namespace = var.namespace
}
data = {
DRONE_SERVER_HOST = var.drone_host
DRONE_SERVER_PROTO = var.drone_proto
DRONE_SERVER_PORT = ":80"
DRONE_USER_CREATE = "username:${var.drone_admin},admin:true"
DRONE_USER_FILTER = var.drone_user_filter
DRONE_REGISTRATION_CLOSED = var.drone_registration_closed
DRONE_GITEA_SERVER = var.drone_gitea_url
DRONE_GITEA_CLIENT_ID = var.drone_gitea_client
DRONE_DATABASE_DRIVER = var.drone_database_driver
DRONE_S3_BUCKET = var.drone_s3_bucket
DRONE_S3_ENDPOINT = var.drone_s3_endpoint
DRONE_S3_PATH_STYLE = var.drone_s3_path_style
DRONE_S3_PREFIX = var.drone_s3_prefix
AWS_ACCESS_KEY_ID = var.drone_s3_access_key
AWS_SECRET_ACCESS_KEY = var.drone_s3_secret_key
AWS_DEFAULT_REGION = var.drone_s3_default_region
AWS_REGION = var.drone_s3_region
DRONE_STARLARK_ENABLED = var.drone_starlark_enabled
DRONE_WEBHOOK_ENDPOINT = var.drone_webhook_endpoint
DRONE_WEBHOOK_EVENTS = var.drone_webhook_events
DRONE_WEBHOOK_SECRET = var.drone_webhook_secret
DRONE_WEBHOOK_SKIP_VERIFY = var.drone_webhook_skip_verify
}
}