This commit is contained in:
2023-10-18 18:52:16 +02:00
parent 9ecb1acda5
commit 0208e8aed4
6 changed files with 123 additions and 286 deletions

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@@ -1,161 +0,0 @@
locals {
authentik-token = data.kubernetes_secret_v1.authentik.data["AUTHENTIK_BOOTSTRAP_TOKEN"]
request_headers = {
"Content-Type" = "application/json"
Authorization = "Bearer ${local.authentik-token}"
}
forward-outpost-providers = jsondecode(data.http.get_forward_outpost.response_body).results[0].providers
forward-outpost-pk = jsondecode(data.http.get_forward_outpost.response_body).results[0].pk
app-name = var.component == var.instance ? var.instance : format("%s-%s", var.component, var.instance)
app-icon = "static/assets/okd-logo.svg"
main-group = format("app-%s", local.app-name)
sub-groups = []
external-url = format("https://%s", local.dns-names[0])
access-token-validity = "hours=10" // ;minutes=10
rules-icons = [ for v in local.dns-names : {
"host" = "${v}"
"http" = {
"paths" = [{
"backend" = {
"service" = local.service
}
"path" = "/${local.app-icon}"
"pathType" = "Prefix"
}]
}
}]
}
resource "kubectl_manifest" "prj_ingress_icon" {
force_conflicts = true
yaml_body = <<-EOF
apiVersion: "networking.k8s.io/v1"
kind: "Ingress"
metadata:
name: "${var.instance}-icons"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
spec:
ingressClassName: "${var.ingress-class}"
rules: ${jsonencode(local.rules-icons)}
tls:
- hosts: ${jsonencode(local.dns-names)}
secretName: "${var.instance}-cert"
EOF
}
data "authentik_flow" "default-authorization-flow" {
depends_on = [authentik_group.prj_users]
slug = "default-provider-authorization-implicit-consent"
}
resource "authentik_provider_proxy" "prj_forward" {
name = local.app-name
external_host = local.external-url
authorization_flow = data.authentik_flow.default-authorization-flow.id
mode = "forward_single"
access_token_validity = local.access-token-validity
}
resource "authentik_application" "prj_application" {
name = local.app-name
slug = "${var.component}-${var.instance}"
group = var.app-group
protocol_provider = authentik_provider_proxy.prj_forward.id
meta_launch_url = local.external-url
meta_icon = format("%s/%s", local.external-url, local.app-icon)
}
resource "authentik_group" "prj_users" {
name = local.main-group
attributes = jsonencode({"${local.app-name}" = true})
}
resource "authentik_group" "subgroup" {
count = length(local.sub-groups)
name = format("%s-%s", local.app-name, local.sub-groups[count.index])
parent = authentik_group.prj_users.id
}
resource "authentik_policy_expression" "policy" {
name = local.main-group
expression = <<-EOF
attr = request.user.group_attributes()
return attr['${local.app-name}'] if '${local.app-name}' in attr else False
EOF
}
data "authentik_group" "vynil-admin" {
depends_on = [authentik_group.prj_users] # fake dependency so it is not evaluated at plan stage
name = "vynil-forward-admins"
}
resource "authentik_policy_binding" "prj_access_users" {
target = authentik_application.prj_application.uuid
policy = authentik_policy_expression.policy.id
order = 0
}
resource "authentik_policy_binding" "prj_access_vynil" {
target = authentik_application.prj_application.uuid
group = data.authentik_group.vynil-admin.id
order = 1
}
data "http" "get_forward_outpost" {
depends_on = [authentik_provider_proxy.prj_forward]
url = "http://authentik.${var.domain}-auth.svc/api/v3/outposts/instances/?name__iexact=forward"
method = "GET"
request_headers = local.request_headers
lifecycle {
postcondition {
condition = contains([200], self.status_code)
error_message = "Status code invalid"
}
}
}
provider "restapi" {
uri = "http://authentik.${var.domain}-auth.svc/api/v3/"
headers = local.request_headers
create_method = "PATCH"
update_method = "PATCH"
destroy_method = "PATCH"
write_returns_object = true
id_attribute = "name"
}
resource "restapi_object" "forward_outpost_binding" {
path = "/outposts/instances/${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: "forward-${local.app-name}"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
spec:
forwardAuth:
address: http://ak-outpost-forward.${var.domain}-auth.svc:9000/outpost.goauthentik.io/auth/traefik
trustForwardHeader: true
authResponseHeaders:
- X-authentik-username
# - X-authentik-groups
# - X-authentik-email
# - 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
}

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@@ -6,6 +6,16 @@ metadata:
name: okd name: okd
description: null description: null
options: options:
sub-domain:
default: okd
examples:
- okd
type: string
app-group:
default: infra
examples:
- infra
type: string
images: images:
default: default:
okd: okd:
@@ -49,46 +59,36 @@ options:
type: string type: string
type: object type: object
type: object type: object
namespaces:
default: []
items:
type: string
type: array
cluster-admin:
default: false
examples:
- false
type: boolean
sub-domain:
default: okd
examples:
- okd
type: string
domain:
default: your-company
examples:
- your-company
type: string
issuer:
default: letsencrypt-prod
examples:
- letsencrypt-prod
type: string
app-group:
default: infra
examples:
- infra
type: string
domain-name: domain-name:
default: your_company.com default: your_company.com
examples: examples:
- your_company.com - your_company.com
type: string type: string
cluster-admin:
default: false
examples:
- false
type: boolean
namespaces:
default: []
items:
type: string
type: array
issuer:
default: letsencrypt-prod
examples:
- letsencrypt-prod
type: string
ingress-class: ingress-class:
default: traefik default: traefik
examples: examples:
- traefik - traefik
type: string type: string
domain:
default: your-company
examples:
- your-company
type: string
dependencies: dependencies:
- dist: null - dist: null
category: share category: share

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@@ -1,76 +0,0 @@
locals {
dns-names = ["${var.sub-domain}.${var.domain-name}"]
middlewares = ["${var.instance}-https", "forward-${local.app-name}"]
service = {
"name" = "${var.component}-${var.instance}"
"port" = {
"number" = 80
}
}
rules = [ for v in local.dns-names : {
"host" = "${v}"
"http" = {
"paths" = [{
"backend" = {
"service" = local.service
}
"path" = "/"
"pathType" = "Prefix"
}]
}
}]
}
resource "kubectl_manifest" "prj_certificate" {
yaml_body = <<-EOF
apiVersion: "cert-manager.io/v1"
kind: "Certificate"
metadata:
name: "${var.instance}"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
spec:
secretName: "${var.instance}-cert"
dnsNames: ${jsonencode(local.dns-names)}
issuerRef:
name: "${var.issuer}"
kind: "ClusterIssuer"
group: "cert-manager.io"
EOF
}
resource "kubectl_manifest" "prj_https_redirect" {
yaml_body = <<-EOF
apiVersion: "traefik.containo.us/v1alpha1"
kind: "Middleware"
metadata:
name: "${var.instance}-https"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
spec:
redirectScheme:
scheme: "https"
permanent: true
EOF
}
resource "kubectl_manifest" "prj_ingress" {
force_conflicts = true
yaml_body = <<-EOF
apiVersion: "networking.k8s.io/v1"
kind: "Ingress"
metadata:
name: "${var.instance}"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
annotations:
"traefik.ingress.kubernetes.io/router.middlewares": "${join(",", [for m in local.middlewares : format("%s-%s@kubernetescrd", var.namespace, m)])}"
spec:
ingressClassName: "${var.ingress-class}"
rules: ${jsonencode(local.rules)}
tls:
- hosts: ${jsonencode(local.dns-names)}
secretName: "${var.instance}-cert"
EOF
}

89
apps/okd/presentation.tf Normal file
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@@ -0,0 +1,89 @@
locals {
dns-name = "${var.sub-domain}.${var.domain-name}"
dns-names = [local.dns-name]
app-name = var.component == var.instance ? var.instance : format("%s-%s", var.component, var.instance)
icon = "static/assets/okd-logo.svg"
request_headers = {
"Content-Type" = "application/json"
Authorization = "Bearer ${data.kubernetes_secret_v1.authentik.data["AUTHENTIK_BOOTSTRAP_TOKEN"]}"
}
service = {
"name" = "${var.component}-${var.instance}"
"port" = {
"number" = 80
}
}
}
module "service" {
source = "/dist/modules/service"
component = var.component
instance = var.instance
namespace = var.namespace
labels = local.common-labels
target = "http"
port = local.service.port.number
providers = {
kubectl = kubectl
}
}
module "ingress" {
source = "/dist/modules/ingress"
component = var.component
instance = var.instance
namespace = var.namespace
issuer = var.issuer
ingress-class = var.ingress-class
labels = local.common-labels
dns-names = local.dns-names
middlewares = ["${var.instance}-https", "forward-${local.app-name}"]
service = local.service
providers = {
kubectl = kubectl
}
}
module "application" {
source = "/dist/modules/application"
component = var.component
instance = var.instance
app-group = var.app-group
sub-domain = var.sub-domain
domain-name = var.domain-name
icon = local.icon
protocol_provider = module.forward.provider-id
providers = {
authentik = authentik
}
}
provider "restapi" {
uri = "http://authentik.${var.domain}-auth.svc/api/v3/"
headers = local.request_headers
create_method = "PATCH"
update_method = "PATCH"
destroy_method = "PATCH"
write_returns_object = true
id_attribute = "name"
}
module "forward" {
source = "/dist/modules/forward"
component = var.component
instance = var.instance
domain = var.domain
namespace = var.namespace
ingress-class = var.ingress-class
labels = local.common-labels
dns-names = local.dns-names
service = local.service
icon = local.icon
request_headers = local.request_headers
providers = {
restapi = restapi
http = http
kubectl = kubectl
authentik = authentik
}
}

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@@ -79,7 +79,10 @@ resource "kubectl_manifest" "okd_clusterrole" {
- apiGroups: [""] - apiGroups: [""]
resources: ["namespaces"] resources: ["namespaces"]
resourceNames: ${jsonencode(local.sorted-namespaces)} resourceNames: ${jsonencode(local.sorted-namespaces)}
verbs: ["get", "list"] verbs: ["get"]
- apiGroups: [""]
resources: ["namespaces"]
verbs: ["list"]
EOF EOF
} }

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@@ -1,18 +0,0 @@
resource "kubectl_manifest" "service" {
yaml_body = <<-EOF
apiVersion: v1
kind: Service
metadata:
name: "${var.component}-${var.instance}"
namespace: "${var.namespace}"
labels: ${jsonencode(local.common-labels)}
spec:
type: ClusterIP
ports:
- name: http
port: 80
protocol: TCP
targetPort: http
selector: ${jsonencode(local.common-labels)}
EOF
}