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188 lines
7.4 KiB
Clojure
188 lines
7.4 KiB
Clojure
(ns dda.c4k-website.website
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(:require
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[clojure.spec.alpha :as s]
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#?(:cljs [shadow.resource :as rc])
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#?(:clj [orchestra.core :refer [defn-spec]]
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:cljs [orchestra.core :refer-macros [defn-spec]])
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#?(:clj [clojure.edn :as edn]
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:cljs [cljs.reader :as edn])
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[dda.c4k-common.yaml :as yaml]
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[dda.c4k-common.common :as cm]
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[dda.c4k-common.base64 :as b64]
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[dda.c4k-common.predicate :as pred]
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[dda.c4k-common.ingress-cert :as ing]
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[clojure.string :as str]))
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(defn fqdn-list?
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[input]
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(every? true? (map pred/fqdn-string? input)))
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(s/def ::unique-name string?)
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(s/def ::sha256sum-output string?)
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(s/def ::issuer pred/letsencrypt-issuer?)
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(s/def ::volume-size pred/integer-string?)
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(s/def ::authtoken pred/bash-env-string?)
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(s/def ::fqdns (s/coll-of pred/fqdn-string?))
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(s/def ::gitea-host pred/fqdn-string?)
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(s/def ::gitea-repo string?)
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(s/def ::branchname string?)
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(s/def ::username string?)
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(def websitedata? (s/keys :req-un [::unique-name ::fqdns ::gitea-host ::gitea-repo ::branchname]
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:opt-un [::issuer ::volume-size ::sha256sum-output]))
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(def websiteauth? (s/keys :req-un [::unique-name ::username ::authtoken]))
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(def flattened-and-reduced-config? (s/and websitedata? websiteauth?))
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(s/def ::auth (s/coll-of websiteauth?))
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(s/def ::websites (s/coll-of websitedata?))
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(def auth? (s/keys :req-un [::auth]))
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(def config? (s/keys :req-un [::websites]
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:opt-un [::issuer ::volume-size]))
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(defn-spec get-hash-from-sha256sum-output string?
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[sha256sum-output string?]
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(if (nil? sha256sum-output)
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nil
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(first (str/split sha256sum-output #"\ +"))))
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(defn-spec get-file-name-from-sha256sum-output string?
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[sha256sum-output string?]
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(if (nil? sha256sum-output)
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nil
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(second (str/split (str/trim sha256sum-output) #"\ +"))))
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(defn-spec replace-dots-by-minus string?
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[fqdn pred/fqdn-string?]
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(str/replace fqdn #"\." "-"))
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(defn-spec generate-app-name string?
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[unique-name pred/fqdn-string?]
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(str (replace-dots-by-minus unique-name) "-website"))
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(defn-spec generate-service-name string?
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[unique-name pred/fqdn-string?]
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(str (replace-dots-by-minus unique-name) "-service"))
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(defn-spec generate-cert-name string?
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[unique-name pred/fqdn-string?]
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(str (replace-dots-by-minus unique-name) "-cert"))
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(defn-spec generate-ingress-name string?
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[unique-name pred/fqdn-string?]
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(str (replace-dots-by-minus unique-name) "-ingress"))
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; https://your.gitea.host/api/v1/repos/<owner>/<repo>/archive/main.zip
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(defn-spec generate-gitrepourl string?
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[host pred/fqdn-string?
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repo string?
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user string?
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branch string?]
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(str "https://" host "/api/v1/repos/" user "/" repo "/archive/" branch ".zip"))
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(defn-spec replace-all-matching-subvalues-in-string-start pred/map-or-seq?
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[col pred/map-or-seq?
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value-to-partly-match string?
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value-to-inplace string?]
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(clojure.walk/postwalk #(if (and (= (type value-to-partly-match) (type %))
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(re-matches (re-pattern (str value-to-partly-match ".*")) %))
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(str/replace % value-to-partly-match value-to-inplace) %)
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col))
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(defn-spec replace-common-data pred/map-or-seq?
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[resource-file string?
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config flattened-and-reduced-config?]
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(let [{:keys [unique-name sha256sum-output]} config]
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(->
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(yaml/load-as-edn resource-file)
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(assoc-in [:metadata :labels :app.kubernetes.part-of] (generate-app-name unique-name))
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(replace-all-matching-subvalues-in-string-start "NAME" (replace-dots-by-minus unique-name)))))
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(defn-spec replace-build-data pred/map-or-seq?
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[resource-file string?
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config flattened-and-reduced-config?]
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(let [{:keys [sha256sum-output]} config]
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(->
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(replace-common-data resource-file config)
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(cm/replace-all-matching-values-by-new-value "CHECK_SUM" (get-hash-from-sha256sum-output sha256sum-output))
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(cm/replace-all-matching-values-by-new-value "SCRIPT_FILE" (get-file-name-from-sha256sum-output sha256sum-output)))))
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#?(:cljs
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(defmethod yaml/load-resource :website [resource-name]
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(case resource-name
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"website/nginx-configmap.yaml" (rc/inline "website/nginx-configmap.yaml")
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"website/nginx-deployment.yaml" (rc/inline "website/nginx-deployment.yaml")
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"website/nginx-service.yaml" (rc/inline "website/nginx-service.yaml")
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"website/website-build-cron.yaml" (rc/inline "website/website-build-cron.yaml")
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"website/website-build-secret.yaml" (rc/inline "website/website-build-secret.yaml")
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"website/website-content-volume.yaml" (rc/inline "website/website-content-volume.yaml")
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(throw (js/Error. "Undefined Resource!")))))
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(defn-spec generate-website-ingress pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(let [{:keys [unique-name fqdns]} config]
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(ing/generate-ingress {:fqdns fqdns
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:app-name (generate-app-name unique-name)
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:ingress-name (generate-ingress-name unique-name)
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:service-name (generate-service-name unique-name)
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:service-port 80})))
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(defn-spec generate-website-certificate pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(let [{:keys [unique-name issuer fqdns]
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:or {issuer "staging"}} config]
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(ing/generate-certificate {:fqdns fqdns
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:app-name (generate-app-name unique-name)
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:cert-name (generate-cert-name unique-name)
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:issuer issuer})))
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(defn-spec generate-nginx-configmap pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(let [{:keys [fqdns]} config]
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(->
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(replace-common-data "website/nginx-configmap.yaml" config)
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(#(assoc-in %
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[:data :website.conf]
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(str/replace
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(-> % :data :website.conf) #"FQDN" (str (str/join " " fqdns) ";")))))))
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(defn-spec generate-nginx-deployment pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(replace-build-data "website/nginx-deployment.yaml" config))
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(defn-spec generate-nginx-service pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(replace-common-data "website/nginx-service.yaml" config))
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(defn-spec generate-website-content-volume pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(let [{:keys [volume-size]
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:or {volume-size "3"}} config]
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(->
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(replace-common-data "website/website-content-volume.yaml" config)
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(cm/replace-all-matching-values-by-new-value "WEBSITESTORAGESIZE" (str volume-size "Gi")))))
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(defn-spec generate-website-build-cron pred/map-or-seq?
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[config flattened-and-reduced-config?]
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(replace-build-data "website/website-build-cron.yaml" config))
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(defn-spec generate-website-build-secret pred/map-or-seq?
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[auth flattened-and-reduced-config?]
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(let [{:keys [authtoken
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gitea-host
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gitea-repo
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username
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branchname]} auth]
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(->
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(replace-common-data "website/website-build-secret.yaml" auth)
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(cm/replace-all-matching-values-by-new-value "TOKEN" (b64/encode authtoken))
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(cm/replace-all-matching-values-by-new-value "URL" (b64/encode
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(generate-gitrepourl
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gitea-host
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gitea-repo
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username
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branchname)))))) |