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(use-modules (gnu)
	     (guix)
	     (gnu system)
	     (gnu services))

(use-service-modules networking
		     ssh
		     cgit
		     version-control
		     certbot
		     web)

(define jdlugosz-ssh-pub
  (local-file "./jdlugosz.pub"))

(define %nginx-deploy-hook
  (program-file
   "nginx-deploy-hook"
   #~(let ((pid (call-with-input-file "/var/run/nginx/pid" read)))
       (kill pid SIGHUP))))

(define uuid-root "1ec6339b-4918-45d2-b77e-b32cf265265d")
(define dev-bootloader "/dev/xvda")

(define (letsencrypt-certificate domain)
  (string-append "/etc/letsencrypt/live/" domain "/fullchain.pem"))

(define (letsencrypt-key domain)
  (string-append "/etc/letsencrypt/live/" domain "/privkey.pem"))

(define hipis
  (operating-system
    (locale "en_US.utf8")
    (timezone "Europe/Warsaw")
    (keyboard-layout (keyboard-layout "pl"))
    (host-name "hipis")

    (users (cons*
	    (user-account
	     (name "jakub")
	     (comment "Jakub Dlugosz")
	     (group "users")
	     (home-directory "/home/jakub")
	     (password (crypt "Init14ll-p455w0rd#$" "$6$abc"))
	     (supplementary-groups '("wheel"  ;; sudo
				     "netdev" ;; network devices
				     "tty"
				     "input")))
	    (user-account
	     (name "fcgiwrap")
	     (group "fcgiwrap")
	     (supplementary-groups '("git")))
	    %base-user-accounts))

;;    (user-group (name "git"))

    (packages (append
	       (specifications->packages '("emacs-no-x-toolkit"
					   "exfat-utils"
					   "git"
					   "nss-certs"
					   "nmap"
					   "curl"))
	       %base-packages))

    (services (cons*
	       (service openssh-service-type
			(openssh-configuration
			 (permit-root-login 'prohibit-password)
			 (allow-empty-passwords? #f)
			 (password-authentication? #f)
			 (authorized-keys
			  `(("jakub" ,jdlugosz-ssh-pub)))))

	       (service static-networking-service-type
			(list (static-networking
			       (addresses
				(list (network-address
				       (device "eth0")
				       (value "195.74.91.18/26"))))
			       (routes
				(list (network-route
				       (destination "default")
				       (gateway "195.74.91.1"))))
			       (name-servers '("195.74.91.4 " "193.200.50.51")))

			      %loopback-static-networking))

	       (service gitolite-service-type
			(gitolite-configuration
			 (admin-pubkey jdlugosz-ssh-pub)
			 (rc-file
			  (gitolite-rc-file (umask #o0027)))))

	       (service certbot-service-type
			(certbot-configuration
			 (email "me@jdlugosz.com")
			 (certificates
			  (list
			   (certificate-configuration
			    (domains '("jdlugosz.com" "git.jdlugosz.com"))
			    (deploy-hook %nginx-deploy-hook))))))

	       (service cgit-service-type
			(cgit-configuration
			 (enable-commit-graph? #t)
			 (enable-html-serving? #t)
			 (remove-suffix? #t)
			 (repository-directory "/var/lib/gitolite/repositories/public")
			 (nocache? #t)
			 (enable-log-filecount? #t)
			 (enable-log-linecount? #t)
			 (readme "CGIT README")

			 (nginx
			  (list
			   (nginx-server-configuration
			    (inherit %cgit-configuration-nginx)
			    (server-name '("git.jdlugosz.com"))
			    (listen '("443 ssl"))
			    (ssl-certificate (letsencrypt-certificate "jdlugosz.com"))
			    (ssl-certificate-key (letsencrypt-key "jdlugosz.com")))))))

	       (service nginx-service-type
			(nginx-configuration
			 (server-blocks
			  (list
			   (nginx-server-configuration
			    (server-name '("jdlugosz.com"))
			    (listen '("443 ssl"))
			    (ssl-certificate (letsencrypt-certificate "jdlugosz.com"))
			    (ssl-certificate-key (letsencrypt-key "jdlugosz.com"))
			    (root "/srv/http/jdlugosz.com"))))))

	       (modify-services %base-services
		 (delete static-networking-service-type))))

    (bootloader (bootloader-configuration
                 (bootloader grub-bootloader)
                 (targets (list dev-bootloader))
                 (keyboard-layout keyboard-layout)))

    (file-systems (cons* (file-system
                           (mount-point "/")
                           (device (uuid
                                    uuid-root
                                    'ext4))
                           (type "ext4")) %base-file-systems))))

hipis