Files
kydah-modules/forward/forward.tf
2024-01-24 15:29:36 +01:00

108 lines
3.4 KiB
HCL

locals {
forward_outpost_providers = jsondecode(data.http.get_forward_outpost.response_body).results[0].providers
forward_outpost_pk = jsondecode(data.http.get_forward_outpost.response_body).results[0].pk
app_slug = "${var.instance}${var.component==""?"":"-"}${var.component}"
forward_labels = merge(var.labels, {
"app.kubernetes.io/component" = "authentik-forward"
})
main_group = format("app-%s", var.app_name)
external_url = format("https://%s", var.dns_names[0])
rules_icons = [for v in var.dns_names : {
"host" = "${v}"
"http" = {
"paths" = [{
"backend" = {
"service" = var.service
}
"path" = "/${var.icon}"
"pathType" = "Prefix"
}]
}
}]
}
resource "kubectl_manifest" "prj_ingress_icon" {
force_conflicts = true
yaml_body = <<-EOF
apiVersion: "networking.k8s.io/v1"
kind: "Ingress"
metadata:
name: "${local.app_slug}-icons"
namespace: "${var.namespace}"
labels: ${jsonencode(local.forward_labels)}
spec:
ingressClassName: "${var.ingress_class}"
rules: ${jsonencode(local.rules_icons)}
tls:
- hosts: ${jsonencode(var.dns_names)}
secretName: "${var.instance}-cert"
EOF
}
data "authentik_flow" "default-authorization-flow" {
slug = "default-provider-authorization-implicit-consent"
}
resource "authentik_provider_proxy" "prj_forward" {
name = local.app_slug
external_host = local.external_url
authorization_flow = data.authentik_flow.default-authorization-flow.id
mode = "forward_single"
access_token_validity = var.access_token_validity
}
data "http" "get_forward_outpost" {
depends_on = [authentik_provider_proxy.prj_forward]
url = "http://authentik.${var.domain}-auth.svc/api/v3/outposts/instances/?name__iexact=forward"
method = "GET"
request_headers = var.request_headers
lifecycle {
postcondition {
condition = contains([200], self.status_code)
error_message = "Status code invalid"
}
}
}
resource "restapi_object" "forward_outpost_binding" {
path = "/outposts/instances/${local.forward_outpost_pk}/"
data = jsonencode({
name = "forward"
providers = contains(local.forward_outpost_providers, authentik_provider_proxy.prj_forward.id) ? local.forward_outpost_providers : concat(local.forward_outpost_providers, [authentik_provider_proxy.prj_forward.id])
})
}
resource "kubectl_manifest" "prj_middleware" {
yaml_body = <<-EOF
apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
name: "${local.app_slug}-forward"
namespace: "${var.namespace}"
labels: ${jsonencode(local.forward_labels)}
spec:
forwardAuth:
address: http://ak-outpost-forward.${var.domain}-auth.svc:9000/outpost.goauthentik.io/auth/traefik
trustForwardHeader: true
authResponseHeaders:
- X-authentik-username
- X-authentik-email
- X-authentik-groups
- X-authentik-name
- X-authentik-uid
- X-authentik-jwt
- X-authentik-meta-jwks
- X-authentik-meta-outpost
- X-authentik-meta-provider
- X-authentik-meta-app
- X-authentik-meta-version
EOF
}
data "kubernetes_ingress_v1" "authentik" {
metadata {
name = "authentik"
namespace = "${var.domain}-auth"
}
}