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main.tf
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resource "kubernetes_namespace" "istio" {
metadata {
name = var.istio_namespace
}
timeouts {
delete = "15m"
}
}
module "istio_base" {
source = "./modules/istio-base"
chart_values = var.istio_base_values
chart_version = var.istio_version
k8s_namespace = kubernetes_namespace.istio.metadata[0].name
}
module "istiod" {
source = "./modules/istiod"
chart_values = var.istiod_values
chart_version = var.istio_version
k8s_namespace = kubernetes_namespace.istio.metadata[0].name
depends_on = [module.istio_base]
}
module "ingress_config" {
source = "./modules/ingress-config"
domain_names = var.domain_names
issuer = var.certificate_issuer
k8s_namespace = local.flightdeck_namespace
depends_on = [module.cert_manager, module.istiod]
}
resource "kubernetes_namespace" "flightdeck" {
metadata {
name = var.flightdeck_namespace
labels = {
"istio-injection" = "enabled"
}
}
depends_on = [module.istiod]
timeouts {
delete = "15m"
}
}
module "cert_manager" {
source = "./modules/cert-manager"
chart_values = var.cert_manager_values
chart_version = var.cert_manager_version
k8s_namespace = local.flightdeck_namespace
}
module "cluster_autoscaler" {
source = "./modules/cluster-autoscaler"
chart_values = var.cluster_autoscaler_values
chart_version = var.cluster_autoscaler_version
k8s_namespace = local.flightdeck_namespace
depends_on = [module.prometheus_operator]
}
module "external_dns" {
source = "./modules/external-dns"
count = var.external_dns_enabled ? 1 : 0
chart_values = var.external_dns_values
chart_version = var.external_dns_version
k8s_namespace = local.flightdeck_namespace
}
module "fluent_bit" {
source = "./modules/fluent-bit"
chart_values = var.fluent_bit_values
chart_version = var.fluent_bit_version
enable_kubernetes_annotations = var.fluent_bit_enable_kubernetes_annotations
enable_kubernetes_labels = var.fluent_bit_enable_kubernetes_labels
k8s_namespace = local.flightdeck_namespace
depends_on = [module.prometheus_operator]
}
module "istio_ingress" {
source = "./modules/istio-ingress"
chart_values = var.istio_ingress_values
chart_version = var.istio_version
k8s_namespace = local.flightdeck_namespace
depends_on = [module.istiod]
}
resource "kubernetes_namespace" "kube_prometheus_stack" {
metadata {
name = "kube-prometheus-stack"
labels = {
"istio-injection" = "enabled"
}
}
depends_on = [module.istiod]
timeouts {
delete = "15m"
}
}
module "prometheus_operator" {
source = "./modules/prometheus-operator"
chart_values = var.prometheus_operator_values
chart_version = var.prometheus_operator_version
k8s_namespace = local.kube_prometheus_stack_namespace
pagerduty_routing_key = var.pagerduty_routing_key
opsgenie_api_key = var.opsgenie_api_key
depends_on = [module.cert_manager, module.vertical_pod_autoscaler]
}
module "prometheus_adapter" {
source = "./modules/prometheus-adapter"
chart_version = var.prometheus_adapter_version
k8s_namespace = local.kube_prometheus_stack_namespace
chart_values = concat(
local.prometheus_adapter_values,
var.prometheus_adapter_values
)
depends_on = [module.prometheus_operator]
}
module "flightdeck_prometheus" {
source = "./modules/prometheus-instance"
chart_values = local.flightdeck_prometheus_values
k8s_namespace = local.kube_prometheus_stack_namespace
name = "flightdeck-prometheus"
depends_on = [module.prometheus_operator, module.vertical_pod_autoscaler]
}
module "federated_prometheus" {
source = "./modules/prometheus-instance"
chart_values = local.federated_prometheus_values
k8s_namespace = local.kube_prometheus_stack_namespace
name = "federated-prometheus"
depends_on = [module.prometheus_operator, module.vertical_pod_autoscaler]
}
module "secret_store_driver" {
source = "./modules/secret-store-driver"
chart_values = var.secret_store_driver_values
chart_version = var.secret_store_driver_version
k8s_namespace = "kube-system"
}
module "metrics_server" {
source = "./modules/metrics-server"
chart_values = var.metrics_server_values
chart_version = var.metrics_server_version
k8s_namespace = local.flightdeck_namespace
}
module "vertical_pod_autoscaler" {
source = "./modules/vertical-pod-autoscaler"
chart_values = var.vertical_pod_autoscaler_values
k8s_namespace = local.flightdeck_namespace
depends_on = [module.cert_manager]
}
module "reloader" {
source = "./modules/reloader"
chart_values = var.reloader_values
chart_version = var.reloader_version
k8s_namespace = local.flightdeck_namespace
}
module "sloth" {
source = "./modules/sloth"
chart_values = var.sloth_values
chart_version = var.sloth_version
k8s_namespace = local.flightdeck_namespace
depends_on = [module.prometheus_operator]
}
locals {
flightdeck_namespace = kubernetes_namespace.flightdeck.metadata[0].name
kube_prometheus_stack_namespace = kubernetes_namespace.kube_prometheus_stack.metadata[0].name
federated_prometheus_values = concat(
[file("${path.module}/federated-prometheus.yaml")],
var.federated_prometheus_values
)
flightdeck_prometheus_values = concat(
[file("${path.module}/flightdeck-prometheus.yaml")],
var.flightdeck_prometheus_values
)
prometheus_adapter_values = [
yamlencode({
prometheus = {
port = 9090
url = "http://flightdeck-prometheus.${local.kube_prometheus_stack_namespace}.svc"
}
})
]
}