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254 lines
9.7 KiB
Clojure
254 lines
9.7 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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[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 ::uname pred/fqdn-string?)
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(s/def ::issuer pred/letsencrypt-issuer?)
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(s/def ::authtoken pred/bash-env-string?)
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(s/def ::fqdns fqdn-list?)
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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 [::uname ::fqdns ::gitea-host ::gitea-repo ::branchname]
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:opt-un [::issuer]))
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(def websiteauth? (s/keys :req-un [::authtoken ::username]))
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(defn auth-data-list?
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[input]
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(every? #(and
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(map? %)
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(and (s/valid? ::uname (% :uname)) (contains? % :uname))
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(and (s/valid? ::username (% :username)) (contains? % :username))
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(and (s/valid? ::authtoken (% :authtoken)) (contains? % :authtoken))) input))
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(s/def ::auth auth-data-list?)
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(def auth? (s/keys :req-un [::auth]))
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(defn website-data-list?
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[input]
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(every? #(and
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(map? %)
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(and (s/valid? ::uname (% :uname)) (contains? % :uname))
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(and (s/valid? ::fqdns (% :fqdns)) (contains? % :fqdns))
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(and (s/valid? ::gitea-host (% :gitea-host)) (contains? % :gitea-host))
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(and (s/valid? ::gitea-repo (% :gitea-repo)) (contains? % :gitea-repo))
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(and (s/valid? ::branchname (% :branchname)) (contains? % :branchname))) input))
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(defn websites? [input]
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(and (contains? input :websites) (website-data-list? (input :websites))) )
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(s/def ::websites website-data-list?)
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(def config? (s/keys :req-un [::websites]
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:opt-un [::issuer]))
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(def volume-size 3)
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(defn unique-name-from-fqdn
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[fqdn]
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(str/replace fqdn #"\." "-"))
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(defn generate-service-name
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[uname]
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(str (unique-name-from-fqdn uname) "-service"))
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(defn generate-cert-name
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[uname]
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(str (unique-name-from-fqdn uname) "-cert"))
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(defn generate-http-ingress-name
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[uname]
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(str (unique-name-from-fqdn uname) "-http-ingress"))
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(defn generate-https-ingress-name
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[uname]
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(str (unique-name-from-fqdn uname) "-https-ingress"))
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; https://your.gitea.host/api/v1/repos/<owner>/<repo>/archive/main.zip
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(defn make-gitrepourl
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[host repo user branch]
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(str "https://" host "/api/v1/repos/" user "/" repo "/archive/" branch ".zip"))
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; ToDo: Move to common?
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(defn replace-all-matching-subvalues-in-string-start
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[col ;ToDo richtig spec-en
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value-to-partly-match
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value-to-inplace]
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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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#?(:cljs
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(defmethod yaml/load-resource :website [resource-name]
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(case resource-name
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"website/certificate.yaml" (rc/inline "website/certificate.yaml")
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"website/http-ingress.yaml" (rc/inline "website/http-ingress.yaml")
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"website/https-ingress.yaml" (rc/inline "website/https-ingress.yaml")
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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-content-volume.yaml" (rc/inline "website/website-content-volume.yaml")
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"website/website-build-cron.yaml" (rc/inline "website/website-build-cron.yaml")
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"website/website-build-deployment.yaml" (rc/inline "website/website-build-deployment.yaml")
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"website/website-build-secret.yaml" (rc/inline "website/website-build-secret.yaml")
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(throw (js/Error. "Undefined Resource!")))))
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#?(:cljs
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(defmethod yaml/load-as-edn :website [resource-name]
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(yaml/from-string (yaml/load-resource resource-name))))
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; generate a list of host-rules from a list of fqdns
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(defn make-host-rules-from-fqdns
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[rule fqdns]
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;function that creates a rule from host names
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(mapv #(assoc-in rule [:host] %) fqdns))
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;create working ingress
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(defn generate-common-http-ingress
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[config]
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(let [{:keys [fqdn service-name]} config]
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(->
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(yaml/load-as-edn "website/http-ingress.yaml")
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(cm/replace-all-matching-values-by-new-value "SERVICENAME" service-name)
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(cm/replace-all-matching-values-by-new-value "FQDN" fqdn))))
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(defn-spec generate-website-http-ingress pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname fqdns]} config
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spec-rules [:spec :rules]]
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(->
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(generate-common-http-ingress
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{:fqdn (first fqdns) :service-name (generate-service-name uname)})
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(cm/replace-all-matching-values-by-new-value "c4k-common-http-ingress" (generate-http-ingress-name uname))
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(#(assoc-in %
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spec-rules
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(make-host-rules-from-fqdns
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(-> % :spec :rules first) ;get first ingress rule
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fqdns))))))
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;create working ingress
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(defn generate-common-https-ingress
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[config]
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(let [{:keys [fqdn service-name]} config]
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(->
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(yaml/load-as-edn "website/https-ingress.yaml")
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(cm/replace-all-matching-values-by-new-value "SERVICENAME" service-name)
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(cm/replace-all-matching-values-by-new-value "FQDN" fqdn))))
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(defn-spec generate-website-https-ingress pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname fqdns]} config
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spec-rules [:spec :rules]
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spec-tls-hosts [:spec :tls 0 :hosts]]
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(->
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(generate-common-https-ingress
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{:fqdn (first fqdns) :service-name (generate-service-name uname)})
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(cm/replace-all-matching-values-by-new-value "c4k-common-https-ingress" (generate-https-ingress-name uname))
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(cm/replace-all-matching-values-by-new-value "c4k-common-cert" (generate-cert-name uname))
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(#(assoc-in % spec-tls-hosts fqdns))
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(#(assoc-in % spec-rules (make-host-rules-from-fqdns (-> % :spec :rules first) fqdns))))))
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(defn generate-common-certificate
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[config]
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(let [{:keys [fqdn issuer]
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:or {issuer "staging"}} config
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letsencrypt-issuer (name issuer)]
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(->
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(yaml/load-as-edn "website/certificate.yaml")
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(assoc-in [:spec :issuerRef :name] letsencrypt-issuer)
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(cm/replace-all-matching-values-by-new-value "FQDN" fqdn))))
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(defn-spec generate-website-certificate pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname issuer fqdns]} config
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spec-dnsNames [:spec :dnsNames]]
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(->
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(generate-common-certificate
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{:issuer issuer, :fqdn (first fqdns)})
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(cm/replace-all-matching-values-by-new-value "c4k-common-cert" (generate-cert-name uname))
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(assoc-in spec-dnsNames fqdns))))
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(defn-spec generate-nginx-configmap pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname fqdns]} config]
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(->
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(yaml/load-as-edn "website/nginx-configmap.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname))
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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 websitedata?]
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(let [{:keys [uname]} config]
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(->
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(yaml/load-as-edn "website/nginx-deployment.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname)))))
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(defn-spec generate-nginx-service pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname]} config]
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(->
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(yaml/load-as-edn "website/nginx-service.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname)))))
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(defn-spec generate-website-content-volume pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname]} config]
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(->
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(yaml/load-as-edn "website/website-content-volume.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname))
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(cm/replace-all-matching-values-by-new-value "WEBSITESTORAGESIZE" (str (str volume-size) "Gi")))))
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(defn-spec generate-website-build-cron pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname]} config]
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(->
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(yaml/load-as-edn "website/website-build-cron.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname)))))
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(defn-spec generate-website-build-deployment pred/map-or-seq?
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[config websitedata?]
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(let [{:keys [uname]} config]
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(->
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(yaml/load-as-edn "website/website-build-deployment.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname)))))
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(defn-spec generate-website-build-secret pred/map-or-seq?
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[auth websiteauth?]
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(let [{:keys [uname
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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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(yaml/load-as-edn "website/website-build-secret.yaml")
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(replace-all-matching-subvalues-in-string-start "NAME" (unique-name-from-fqdn uname))
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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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(make-gitrepourl
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gitea-host
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gitea-repo
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username
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branchname)))))) |