meissa
/
c4k-common
7
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add ingress definitions to c4k-common

Browse Source 
Also update gitignore.
merge-requests/2/head
erik 2 years ago
parent 548a9a3cf5
commit bb8ac8a78f
7 changed files with 262 additions and 0 deletions
Show Stats Download Patch File Download Diff File

3
.gitignore vendored
Unescape Escape View File

@ -24,3 +24,6 @@ public/js/
valid-auth.edn
valid-config.edn
my-auth.edn
.clj-kondo/
.lsp/

79
src/main/cljc/dda/c4k_common/ingress.cljc
Unescape Escape View File

@ -0,0 +1,79 @@
(ns dda.c4k-common.ingress
(:require
[clojure.spec.alpha :as s]
#?(:cljs [shadow.resource :as rc])
#?(:clj [orchestra.core :refer [defn-spec]]
:cljs [orchestra.core :refer-macros [defn-spec]])
#?(:clj [clojure.edn :as edn]
:cljs [cljs.reader :as edn])
[dda.c4k-common.yaml :as yaml]
[dda.c4k-common.common :as cm]
[dda.c4k-common.predicate :as pred]))
(s/def ::issuer pred/letsencrypt-issuer?)
(s/def ::service-name string?)
(s/def ::ingress-name string?)
(s/def ::cert-name string?)
(s/def ::service-port pos-int?)
(s/def ::fqdns (s/coll-of pred/fqdn-string?))
(def ingress? (s/keys :req-un [::fqdns ::ingress-name ::service-name ::service-port]
:opt-un [::issuer ::cert-name]))
(def certificate? (s/keys :req-un [::fqdns ::cert-name]
:opt-un [::issuer]))
#?(:cljs
(defmethod yaml/load-resource :ingress [resource-name]
(case resource-name
"ingress/host-rule.yaml" (rc/inline "ingress/host-rule.yaml")
"ingress/certificate.yaml" (rc/inline "ingress/certificate.yaml")
"ingress/http-ingress.yaml" (rc/inline "ingress/http-ingress.yaml")
"ingress/https-ingress.yaml" (rc/inline "ingress/https-ingress.yaml")
(throw (js/Error. "Undefined Resource!")))))
#?(:cljs
(defmethod yaml/load-as-edn :ingress [resource-name]
(yaml/from-string (yaml/load-resource resource-name))))
(defn-spec generate-host-rule pred/map-or-seq?
[service-name ::service-name
service-port ::service-port
fqdn pred/fqdn-string?]
(->
(yaml/load-as-edn "ingress/host-rule.yaml")
(cm/replace-all-matching-values-by-new-value "FQDN" fqdn)
(cm/replace-all-matching-values-by-new-value "SERVICE_PORT" service-port)
(cm/replace-all-matching-values-by-new-value "SERVICE_NAME" service-name)))
(defn-spec generate-http-ingress pred/map-or-seq?
[config ingress?]
(let [{:keys [ingress-name service-name service-port fqdns]} config]
(->
(yaml/load-as-edn "ingress/http-ingress.yaml")
(assoc-in [:metadata :name] ingress-name)
(assoc-in [:spec :rules] (mapv (partial generate-host-rule service-name service-port) fqdns)))))
(defn-spec generate-https-ingress pred/map-or-seq?
[config ingress?]
(let [{:keys [ingress-name cert-name service-name service-port fqdns]} config]
(->
(yaml/load-as-edn "ingress/https-ingress.yaml")
(assoc-in [:metadata :name] ingress-name)
(assoc-in [:spec :tls 0 :secretName] cert-name)
(assoc-in [:spec :tls 0 :hosts] fqdns)
(assoc-in [:spec :rules] (mapv (partial generate-host-rule service-name service-port) fqdns)))))
(defn-spec generate-certificate pred/map-or-seq?
[config certificate?]
(let [{:keys [cert-name issuer fqdns]
:or {issuer "staging"}} config
letsencrypt-issuer (name issuer)]
(->
(yaml/load-as-edn "ingress/certificate.yaml")
(assoc-in [:metadata :name] cert-name)
(assoc-in [:spec :secretName] cert-name)
(assoc-in [:spec :commonName] (first fqdns))
(assoc-in [:spec :dnsNames] fqdns)
(assoc-in [:spec :issuerRef :name] letsencrypt-issuer))))

16
src/main/resources/ingress/certificate.yaml
Unescape Escape View File

@ -0,0 +1,16 @@
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
name: c4k-common-cert
namespace: default
spec:
secretName: c4k-common-cert
commonName: FQDN
duration: 2160h # 90d
renewBefore: 360h # 15d
dnsNames:
- FQDN
issuerRef:
name: staging
kind: ClusterIssuer

10
src/main/resources/ingress/host-rule.yaml
Unescape Escape View File

@ -0,0 +1,10 @@
host: FQDN
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: SERVICE_NAME
port:
number: SERVICE_PORT

20
src/main/resources/ingress/http-ingress.yaml
Unescape Escape View File

@ -0,0 +1,20 @@
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: c4k-common-http-ingress
namespace: default
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: web
traefik.ingress.kubernetes.io/router.middlewares: default-redirect-https@kubernetescrd
spec:
rules:
- host: FQDN
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: SERVIC_ENAME
port:
number: 80

24
src/main/resources/ingress/https-ingress.yaml
Unescape Escape View File

@ -0,0 +1,24 @@
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: c4k-common-https-ingress
namespace: default
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
spec:
tls:
- hosts:
- FQDN
secretName: c4k-common-cert
rules:
- host: FQDN
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: SERVICE_NAME
port:
number: 80

110
src/test/cljc/dda/c4k_common/ingress_test.cljc
Unescape Escape View File

@ -0,0 +1,110 @@
(ns dda.c4k-common.ingress-test
(:require
#?(:clj [clojure.test :refer [deftest is are testing run-tests]]
:cljs [cljs.test :refer-macros [deftest is are testing run-tests]])
[clojure.spec.test.alpha :as st]
[dda.c4k-common.ingress :as cut]))
(st/instrument `cut/generate-host-rule)
(st/instrument `cut/generate-http-ingress)
(st/instrument `cut/generate-https-ingress)
(st/instrument `cut/generate-certificate)
(deftest should-generate-rule
(is (= {:host "test.com",
:http
{:paths
[{:pathType "Prefix",
:path "/",
:backend
{:service {:name "myservice", :port {:number 3000}}}}]}}
(cut/generate-host-rule "myservice" 3000 "test.com"))))
(deftest should-generate-http-ingress
(is (= {:apiVersion "networking.k8s.io/v1",
:kind "Ingress",
:metadata
{:name "test-io-http-ingress",
:namespace "default",
:annotations
#:traefik.ingress.kubernetes.io{:router.entrypoints "web",
:router.middlewares "default-redirect-https@kubernetescrd"}}}
(dissoc (cut/generate-http-ingress
{:issuer "prod"
:service-name "myservice"
:service-port 3000
:ingress-name "test-io-http-ingress"
:fqdns ["test.de" "www.test.de" "test-it.de" "www.test-it.de"]}) :spec)))
(is (= {:rules
[{:host "test.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "myservice", :port {:number 3000}}}}]}}
{:host "www.test.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "myservice", :port {:number 3000}}}}]}}
{:host "test-it.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "myservice", :port {:number 3000}}}}]}}
{:host "www.test-it.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "myservice", :port {:number 3000}}}}]}}]}
(:spec (cut/generate-http-ingress
{:issuer "prod"
:service-name "myservice"
:service-port 3000
:ingress-name "test-io-http-ingress"
:fqdns ["test.de" "www.test.de" "test-it.de" "www.test-it.de"]})))))
(deftest should-generate-https-ingress
(is (= {:apiVersion "networking.k8s.io/v1",
:kind "Ingress",
:metadata
{:name "test-io-https-ingress",
:namespace "default",
:annotations #:traefik.ingress.kubernetes.io{:router.entrypoints "websecure", :router.tls "true"}}}
(dissoc (cut/generate-https-ingress
{:issuer "prod"
:service-name "test-io-service"
:service-port 80
:ingress-name "test-io-https-ingress"
:fqdns ["test.de" "www.test.de" "test-it.de" "www.test-it.de"]}) :spec)))
(is (= {:tls
[{:hosts
["test.de" "www.test.de" "test-it.de" "www.test-it.de"],
:secretName "test-io-cert"}]
:rules
[{:host "test.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "test-io-service", :port {:number 80}}}}]}}
{:host "www.test.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "test-io-service", :port {:number 80}}}}]}}
{:host "test-it.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "test-io-service", :port {:number 80}}}}]}}
{:host "www.test-it.de",
:http
{:paths [{:pathType "Prefix", :path "/", :backend {:service {:name "test-io-service", :port {:number 80}}}}]}}]}
(:spec (cut/generate-https-ingress {:issuer "prod"
:service-name "test-io-service"
:service-port 80
:ingress-name "test-io-https-ingress"
:cert-name "test-io-cert"
:fqdns ["test.de" "www.test.de" "test-it.de" "www.test-it.de"]})))))
(deftest should-generate-certificate
(is (= {:apiVersion "cert-manager.io/v1",
:kind "Certificate",
:metadata {:name "test-io-cert", :namespace "default"},
:spec
{:secretName "test-io-cert",
:commonName "test.de",
:duration "2160h",
:renewBefore "360h",
:dnsNames ["test.de" "test.org" "www.test.de" "www.test.org"],
:issuerRef {:name "prod", :kind "ClusterIssuer"}}}
(cut/generate-certificate {:fqdns ["test.de" "test.org" "www.test.de" "www.test.org"]
:cert-name "test-io-cert"
:issuer "prod"}))))
Write Preview
Loading…
Cancel
Save