(use-modules (freya system)
             (ice-9 match)
             (gnu packages ci)
             (gnu packages databases)
             (gnu services cuirass)
             (gnu services avahi)
             (gnu services mcron)
             (gnu services web)
             (gnu services databases)
             (gnu services networking)
             (guix gexp)
             (gnu))

;; Cuirass specification
(define %cuirass-specs
  #~(list
      (specification
        (name "sakura")
        (build '(channels sakura))
        (channels
          (list %default-guix-channel
                (channel
                  (name 'sakura)
                  (url "https://g.freya.cat/freya/sakura")
                  (branch "main")
                  (introduction
                    (make-channel-introduction
                      "8fb2f9c2fa414754c41c1c73665e3e73e12693ab"
                      (openpgp-fingerprint
                        "3CD3 65F0 373C EB13 853A  F568 9FBC 6FFD 6D2D BF17"))))))
        (priority 0)
        (systems '("x86_64-linux")))))

;; Run the garbe collector every day at 3:00 AM
(define garbage-collector-job
  #~(job "0 3 * * *"
         "guix gc -F 50G"))

;; Restart the cuiras worker every night
(define restart-worker-job
  #~(job "0 2 * * *"
         "herd restart cuirass-remote-worker"))

;; Curiass module filter
(define default-module-filter
  (match-lambda
    (('guix 'config) #f)
    (('guix _ ...) #t)
    (('gnu _ ...) #t)
    (('nongnu _ ...) #f)
    (('nonguix _ ...) #f)
    (('sakura _ ...) #t)
    (_ #f)))

;; Curiass operating system
(operating-system
  (inherit %virt-freya-operating-system)
  (host-name "cuirass")
  (packages (cons* ; ci
                   cuirass
                   %virt-freya-packages))
  (services (cons* ; avahi
                   (service avahi-service-type)
                   ; cuirass
                   (service cuirass-service-type
                     (cuirass-configuration
                       (specifications %cuirass-specs)))
                   ; guix publish
                   (service guix-publish-service-type
                     (guix-publish-configuration
                       (cache "/var/cache/publish")
                       (compression '(("zstd" 19)))
                       (port 8080)))
                   ; postgresql
                   (service postgresql-service-type
                            (postgresql-configuration
                              (postgresql postgresql-14)))
                   ; cron
                   (simple-service 'cron
                                   mcron-service-type
                                   (list garbage-collector-job
                                         restart-worker-job))
                   ; iptables
                   (service iptables-service-type
                     (iptables-configuration
                       (ipv4-rules (plain-file "iptables.rules" "*filter
-A INPUT -p tcp --dport 5522 ! -s 127.0.0.1 -j REJECT
-A INPUT -p tcp --dport 5555:5558 ! -s 127.0.0.1 -j REJECT
-A INPUT -p tcp --dport 8080:8081 ! -s 127.0.0.1 -j REJECT
COMMIT
"))))
                   ; nginx
                   (service nginx-service-type
                     (nginx-configuration
                       (upstream-blocks
                         (list
                           (nginx-upstream-configuration
                             (name "cuirass")
                             (servers (list "localhost:8081")))
                           (nginx-upstream-configuration
                             (name "publish")
                             (servers (list "localhost:8080")))))
                       (server-blocks
                         (list
                           (nginx-server-configuration
                             (server-name '("cuirass.in.freya.cat"))
                             (listen '("80"))
                             (locations
                               (list
                                 (nginx-location-configuration
                                   (uri "/")
                                   (body
                                     (list "proxy_pass http://cuirass;"
                                           "proxy_set_header X-Forwarded-Proto https;"))))))
                           (nginx-server-configuration
                             (server-name '("substitutes.in.freya.cat"))
                             (listen '("80"))
                             (raw-content '("rewrite ^//(.*)$ /$1 redirect;"))
                             (index (list "index.html"))
                             (locations
                               (list
                                 (nginx-location-configuration
                                   (uri "/signing-key.pub")
                                        (body '("proxy_pass http://publish;")))
                                      (nginx-location-configuration
                                        (uri "/file/")
                                        (body '("proxy_pass http://publish;")))
                                      (nginx-location-configuration
                                        (uri "/log/")
                                        (body '("proxy_pass http://publish;")))
                                      (nginx-location-configuration
                                        (uri "/nix-cache-info")
                                        (body (list
                                          "proxy_pass http://publish;"
                                          "proxy_hide_header Set-Cookie;")))
                                 (nginx-location-configuration
                                   (uri "/nar/")
                                   (body (list
                                     "proxy_pass http://publish;"
                                     "client_body_buffer_size 256k;"
                                     ;; Nars are already compressed. -> no perf change
                                     "gzip off;"
                                     "proxy_pass_header Cache-Control;")))
                                 (nginx-location-configuration
                                   (uri "~ \\.narinfo$")
                                   (body
                                    (list
                                      "proxy_pass http://publish;"
                                      "client_body_buffer_size 128k;"
                                      "proxy_connect_timeout 2s;"
                                      "proxy_read_timeout 2s;"
                                      "proxy_send_timeout 2s;"
                                      "proxy_pass_header Cache-Control;"
                                      "proxy_ignore_client_abort on;"))))))))))
                   %base-freya-services))
  (swap-devices (list (swap-space
                        (target (uuid
                                  "8ffa6d73-06e9-4dc5-9b15-569b3b176dbc")))))
  (file-systems (cons* (file-system
                         (mount-point "/")
                         (device (uuid "fae7deed-d630-40a1-adac-87f49b431ad4"))
                         (type "btrfs"))
                       (file-system
                         (mount-point "/boot")
                         (device (uuid "027A-4AA1"
                                       'fat32))
                         (type "vfat"))
                       %base-freya-file-systems))
  (bootloader (bootloader-configuration
                (bootloader grub-bootloader)
                (targets '("/dev/sda")))))