c4k-forgejo/src/main/cljc/dda/c4k_gitea/gitea.cljc
2022-07-26 19:35:35 +02:00

111 lines
5 KiB
Clojure

(ns dda.c4k-gitea.gitea
(:require
[clojure.spec.alpha :as s]
[clojure.string :as str]
[clojure.core :as c]
#?(: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.base64 :as b64]
[dda.c4k-common.predicate :as pred]
[dda.c4k-common.postgres :as postgres]))
(s/def ::default-app-name string?)
(s/def ::fqdn pred/fqdn-string?)
(s/def ::mailer-from pred/bash-env-string?)
; TODO: Move to pred/host-port?
; TODO: Review jem - 2022/07/26 - move to common & add unittest
(s/def ::mailer-host-port #(let [split-string (str/split % #":")]
(and (= (count split-string) 2)
(pred/fqdn-string? (first split-string))
; TODO: Move this to pred/port-number?
; TODO: Review jem - 2022/07/26 - move to common & add unittest
(let [snd (edn/read-string (second split-string))]
(and (integer? snd)
(> snd 0)
(<= snd 65535))))))
;TODO: Maybe move to pred/comma-separated-fqdn-list?
; TODO: Review jem - 2022/07/26 - move to common & add unittest
(s/def ::service-domain-whitelist #(every? true? (map pred/fqdn-string? (str/split % #","))))
(s/def ::service-noreply-address string?)
(s/def ::mailer-user pred/bash-env-string?)
(s/def ::mailer-pw pred/bash-env-string?)
(s/def ::issuer pred/letsencrypt-issuer?)
(def config-defaults {:issuer "staging"})
(def config? (s/keys :req-un [::fqdn ::mailer-from ::mailer-host-port ::service-noreply-address]
:opt-un [::issuer ::default-app-name ::service-domain-whitelist]))
(def auth? (s/keys :req-un [::postgres/postgres-db-user ::postgres/postgres-db-password ::mailer-user ::mailer-pw]))
#?(:cljs
(defmethod yaml/load-resource :gitea [resource-name]
(case resource-name
"gitea/appini-env-configmap.yaml" (rc/inline "gitea/appini-env-configmap.yaml")
"gitea/deployment.yaml" (rc/inline "gitea/deployment.yaml")
"gitea/certificate.yaml" (rc/inline "gitea/certificate.yaml")
"gitea/ingress.yaml" (rc/inline "gitea/ingress.yaml")
"gitea/secrets.yaml" (rc/inline "gitea/secrets.yaml")
"gitea/services.yaml" (rc/inline "gitea/services.yaml")
"gitea/traefik-middleware.yaml" (rc/inline "gitea/traefik-middleware.yaml")
"gitea/volumes.yaml" (rc/inline "gitea/volumes.yaml")
(throw (js/Error. "Undefined Resource!")))))
#?(:cljs
(defmethod yaml/load-as-edn :gitea [resource-name]
(yaml/from-string (yaml/load-resource resource-name))))
(defn-spec generate-appini-env pred/map-or-seq?
; TODO: Review jem - 2022/07/26 - as we do not need auth here just hand over config & spec it.
[config any?]
(let [{:keys [default-app-name
fqdn
mailer-from
mailer-host-port
service-domain-whitelist
service-noreply-address]
:or {default-app-name "Gitea instance"
service-domain-whitelist fqdn}}
config]
(->
(yaml/load-as-edn "gitea/appini-env-configmap.yaml")
(cm/replace-all-matching-values-by-new-value "APPNAME" default-app-name)
(cm/replace-all-matching-values-by-new-value "FQDN" fqdn)
(cm/replace-all-matching-values-by-new-value "URL" (str "https://" fqdn))
(cm/replace-all-matching-values-by-new-value "FROM" mailer-from)
(cm/replace-all-matching-values-by-new-value "HOSTANDPORT" mailer-host-port)
(cm/replace-all-matching-values-by-new-value "WHITELISTDOMAINS" service-domain-whitelist)
(cm/replace-all-matching-values-by-new-value "NOREPLY" service-noreply-address))))
(defn-spec generate-secrets pred/map-or-seq?
[auth auth?]
(let [{:keys [postgres-db-user postgres-db-password mailer-user mailer-pw]} auth]
(->
(yaml/load-as-edn "gitea/secrets.yaml")
(cm/replace-all-matching-values-by-new-value "DBUSER" (b64/encode postgres-db-user))
(cm/replace-all-matching-values-by-new-value "DBPW" (b64/encode postgres-db-password))
(cm/replace-all-matching-values-by-new-value "MAILERUSER" (b64/encode mailer-user))
(cm/replace-all-matching-values-by-new-value "MAILERPW" (b64/encode mailer-pw)))))
(defn-spec generate-ingress pred/map-or-seq?
[config config?]
(let [{:keys [fqdn issuer]} config]
(->
(yaml/load-as-edn "gitea/ingress.yaml")
(cm/replace-all-matching-values-by-new-value "FQDN" fqdn))))
(defn-spec generate-certificate pred/map-or-seq?
[config config?]
(let [{:keys [fqdn issuer]
:or {issuer "staging"}} config
letsencrypt-issuer (name issuer)]
(->
(yaml/load-as-edn "gitea/certificate.yaml")
(assoc-in [:spec :issuerRef :name] letsencrypt-issuer)
(cm/replace-all-matching-values-by-new-value "FQDN" fqdn))))