Babashka script
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#!/usr/bin bb
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(ns
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(:require [babashka.curl :as curl])
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(:import (java.nio.file Files
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LinkOption)
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(java.nio.file.attribute PosixFileAttributeView
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FileAttribute)
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(java.io BufferedReader File)
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(java.util.regex Pattern)))
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(defn sh
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"Launches a process with optional args, returning the exit code.
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Prints stdout & stderr."
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[bin & args]
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(let [arg-array ^"[Ljava.lang.String;]" (into-array String (cons bin args))
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process (-> (ProcessBuilder. arg-array)
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(.redirectErrorStream true) ;; TODO stream stderr to stderr
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(.start))]
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(with-open [out (io/reader (.getInputStream process))]
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(loop []
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(when-let [line (.readLine ^BufferedReader out)]
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(println line)
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(recur))))
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(.waitFor process)))
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;; ## Deployment directory structure
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(defn set-owner [path owner]
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(->
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(Files/getFileAttributeView path PosixFileAttributeView (into-array LinkOption [LinkOption/NOFOLLOW_LINKS]))
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(.setOwner owner)))
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(defn set-group [path group]
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(->
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(Files/getFileAttributeView path PosixFileAttributeView (into-array LinkOption [LinkOption/NOFOLLOW_LINKS]))
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(.setGroup group)))
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(defn make-dirs! [{:keys [company-name]}]
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(printf "Creating deploy directories for %s." company-name)
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(let [attrs (Files/getFileAttributeView (.toPath (io/file "/srv/http/www.sompani.com"))
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PosixFileAttributeView
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(into-array LinkOption [LinkOption/NOFOLLOW_LINKS]))
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owner (.getOwner attrs)
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fattr (into-array FileAttribute [])]
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(doseq [dir-str ["/srv/http/staging.%s.talent.careers-cache"
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"/srv/http/staging.%s.talent.careers-logs"
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"/srv/http/staging.%s.talent.careers-sessions"
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"/srv/http/staging.%s.talent.careers-uploads"
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"/srv/http/staging.%s.talent.careers.1234"
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"/srv/http/%s.talent.careers-cache"
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"/srv/http/%s.talent.careers-logs"
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"/srv/http/%s.talent.careers-sessions"
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"/srv/http/%s.talent.careers-uploads"
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"/srv/http/%s.talent.careers.1234"]
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:let [dir (.toPath (io/file (format dir-str company-name)))]]
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(printf ".")
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(and
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(Files/createDirectory dir fattr)
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(set-owner dir owner)))
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(printf ".")
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(let [link (.toPath (io/file (format "/srv/http/staging.%s.talent.careers" company-name)))]
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(and
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(Files/createSymbolicLink link
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(.toPath (io/file (format "/srv/http/staging.%s.talent.careers.1234" company-name)))
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fattr)
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(set-owner link owner)))
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(printf ".")
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(let [link (.toPath (io/file (format "/srv/http/%s.talent.careers" company-name)))]
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(and
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(Files/createSymbolicLink link
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(.toPath (io/file (format "/srv/http/%s.talent.careers.1234" company-name)))
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fattr)
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(set-owner link owner)))
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(printf " ok.\n")))
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;; ## nginx configuration
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(defn render-replace [input datamap]
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(reduce
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#(str/replace %1 (Pattern/compile (str "\{\{" (name (key %2)) "\}\}")) (val %2))
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input
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datamap))
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(defn create-nginx-server! [{:keys [company-name] :as datamap}]
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(printf "Creating nginx entries for %n." company-name)
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(doseq [file ["skel.talent.careers"
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"staging.skel.talent.careers"]
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:let [in-file (str "resources/nginx/" file)
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out-file (format "/etc/nginx/servers-available/%s" (str/replace file #"skel" company-name))]]
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(printf ".")
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(spit out-file
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(render-replace (slurp in-file) datamap)))
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(printf " ok.\n"))
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;; ## Certificates
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(defn generate-certs! [{:keys [company-name company-domain] :as datamap}]
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(println "Generating certificates...")
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(let [command (map #(render-replace % datamap)
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["certbot" "certonly" "--nginx"
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"-d" "staging.{{company-name}}.talent.careers"
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"-d" "{{company-name}}.talent.careers"
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"-d" "talent.{{company-domain}}"
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"-d" "www.talent.{{company-domain}}"
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"--cert-name" "{{company-name}}"])]
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(println "Executing " (pr-str command))
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(apply sh command))
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(println "ok."))
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;; # DNS Configuration
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;; ## Basic cloudflare entries
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(defn basic-dns-entries [company-name]
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[{:type "A" :name company-name :content "185.163.117.139"}
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{:type "A" :name (format "staging.%s" company-name) :content "185.163.117.139"}
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{:type "AAAA" :name company-name :content "2a03:4000:3b:2bb:18ea:e0ff:fe8c:aa9a"}
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{:type "AAAA" :name (format "staging.%s" company-name) :content "2a03:4000:3b:2bb:18ea:e0ff:fe8c:aa9a"}
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{:type "MX" :name company-name :content "mx.yandex.net."}
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{:type "MX" :name (format "m.%s.talent.careers" company-name) :content "feedback-smtp.eu-west-1.amazonses.com"}
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{:type "TXT" :name (format "m.%s.talent.careers" company-name) :content "v=spf1 include:amazonses.com ~all"}
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{:type "TXT" :name (format "%s.talent.careers" company-name) :content "v=spf1 redirect=_spf.yandex.net"}
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{:type "TXT" :name (format "_dmarc.%s" company-name) :content "v=DMARC1; p=none; rua=sompani-d@dmarc.report-uri.com"}])
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(defn make-dns-entries! [entries]
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(let [uri "https://api.cloudflare.com/client/v4/zones/5cd643e7432d7cf69f44e268e32b5452/dns_records"
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headers {"Authorization" (str "Bearer " (System/getenv "CLOUDFLARE_API"))}]
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(doseq [entry entries]
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(printf ".")
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(curl/post uri
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{:headers headers
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:content-type :json
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:form-params entry}))))
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(defn make-basic-dns-entries [{:keys [company-name]}]
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(printf "Creating basic DNS entries for %s." company-name)
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(make-dns-entries! (basic-dns-entries company-name))
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(println " ok."))
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;; # Main initialization
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(def cli-options
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[["-d" "--domain VCDOMAIN" "The domain of the VC to onboard"
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:default nil
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:id :vc-domain]
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["-n" "--name VCNAME" "The name of the VC to onboard"
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:default nil
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:id :vc-name]
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[nil "--deploy-directories" "Create deploy directories"]
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[nil "--base-dns" "Create basic DNS entries. Make sure to have the CLOUDFLARE_API env var set."]
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[nil "--nginx" "Create nginx entries"]
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[nil "--certify" "Generate certificates"]
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["-h" "--help"]])
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(let [{:keys [vc-domain
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vc-name
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deploy-directories
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base-dns
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aws-domain
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nginx
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certify
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help]
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:as options}
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(:options (tools.cli/parse-opts args cli-options))
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datamap {:company-name vc-name :company-domain vc-domain}]
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(if help
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(println (:summary (tools.cli/parse-opts args cli-options)))
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(do
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(and deploy-directories (make-dirs! datamap))
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(and base-dns (make-basic-dns-entries! datamap))
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(and nginx (create-nginx-server! datamap))
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(and certify (generate-certs! datamap))
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(println "Done."))))
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