Files
kydah-modules/forward/forward.tf
2024-09-29 23:42:40 +02:00

131 lines
4.7 KiB
HCL

locals {
app_slug = "${var.instance}${var.component == "" ? "" : "-"}${var.component}"
forward_labels = merge(var.labels, {
"app.kubernetes.io/component" = "authentik-forward"
})
external_url = format("https://%s", var.dns_name)
forward_outpost_results = jsondecode(data.http.get_forward_outpost.response_body).results
forward_outpost_providers = local.forward_outpost_results[0].providers
forward_outpost_pk = local.forward_outpost_results[0].pk
}
data "authentik_flow" "default_authorization_flow" {
slug = "default-provider-authorization-implicit-consent"
}
resource "authentik_provider_proxy" "forward" {
name = local.app_slug
external_host = local.external_url
authorization_flow = data.authentik_flow.default_authorization_flow.id
mode = "forward_single"
access_token_validity = var.access_token_validity
}
data "http" "get_forward_outpost" {
depends_on = [authentik_provider_proxy.forward]
url = "http://authentik.${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"
}
}
}
data "kubernetes_ingress_v1" "authentik" {
metadata {
name = "authentik"
namespace = "${var.domain}-auth"
}
}
## Begin modification
data "kubernetes_secret_v1" "authentik" {
metadata {
name = "authentik"
namespace = "${var.domain}-auth"
}
}
resource "authentik_service_connection_kubernetes" "local" {
# count = length(jsondecode(data.http.get_forward_outpost.response_body).results) == 0 ? 1 : 0
depends_on = [data.kubernetes_secret_v1.authentik]
name = "${var.domain}-local-forward"
local = true
}
# data "authentik_flow" "default_authorization_flow" {
# count = length(local.forward_outpost_results) == 0 ? 1 : 0
# depends_on = [authentik_service_connection_kubernetes.local]
# slug = "default-provider-authorization-implicit-consent"
# }
resource "authentik_provider_proxy" "provider_forward" {
# count = length(jsondecode(data.http.get_forward_outpost.response_body).results) == 0 ? 1 : 0
name = "authentik-${var.domain}-forward-provider"
internal_host = "http://authentik-authentik"
external_host = "http://authentik-authentik"
authorization_flow = data.authentik_flow.default_authorization_flow.id
}
resource "authentik_outpost" "output_forward" {
# count = length(jsondecode(data.http.get_forward_outpost.response_body).results) == 0 ? 1 : 0
name = "forward"
type = "proxy"
service_connection = authentik_service_connection_kubernetes.local.id
config = jsonencode({
"log_level" : "info",
"authentik_host" : "http://authentik",
"docker_map_ports" : true,
"kubernetes_replicas" : 1,
"kubernetes_namespace" : var.namespace,
"authentik_host_browser" : "https://${data.kubernetes_ingress_v1.authentik.spec[0].rule[0].host}",
"object_naming_template" : "ak-outpost-%(name)s",
"authentik_host_insecure" : false,
"kubernetes_service_type" : "ClusterIP",
"kubernetes_image_pull_secrets" : [],
"kubernetes_disabled_components" : [],
"kubernetes_ingress_annotations" : {},
"kubernetes_ingress_secret_name" : var.ingress_certificat_secret_name
})
protocol_providers = local.forward_outpost_providers
}
## End modification
resource "restapi_object" "forward_outpost_binding" {
path = "/outposts/instances/${local.forward_outpost_pk}/"
data = jsonencode({
name = "forward"
providers = contains(local.forward_outpost_providers, authentik_provider_proxy.forward.id) ? local.forward_outpost_providers : concat(local.forward_outpost_providers, [authentik_provider_proxy.forward.id])
})
}
resource "kubectl_manifest" "middleware" {
yaml_body = <<-EOF
apiVersion: traefik.io/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
}