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diff --git a/src/guix/system.scm b/src/guix/system.scm
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+(use-modules
+ ((ice-9 textual-ports) #:prefix textual-ports:)
+ ((srfi srfi-1) #:prefix s1:)
+ ((xyz euandreh heredoc) #:prefix heredoc:)
+ ((org euandre queue) #:prefix queue:)
+ (gnu)
+ (guix build-system trivial)
+ (guix packages))
+(use-package-modules
+ admin
+ ssh
+ version-control)
+(use-service-modules
+ admin
+ certbot
+ cgit
+ dns
+ mail
+ mcron
+ networking
+ security
+ ssh
+ web)
+(heredoc:enable-syntax)
+
+
+(define +working-dir+
+ (canonicalize-path "."))
+
+(define (str . rest)
+ (apply string-append rest))
+
+(define (fmt . rest)
+ (apply format #f rest))
+
+(define (path s)
+ (str +working-dir+ "/" s))
+
+(define (slurp s)
+ (call-with-input-file
+ s
+ textual-ports:get-string-all))
+
+(define file
+ (compose slurp path))
+
+(define +tld+
+ (string-trim-right
+ (slurp (path "tld.txt"))))
+
+(define +ipv4+ "216.238.73.1")
+(define +ipv6+ "2001:19f0:b400:1582:5400:04ff:fea9:370e")
+
+(define +users+
+ '(("andre" "EuAndreh" ("wheel" "become-deployer" "become-secrets-keeper"))
+ ("laisse" "Laísses" ())))
+
+(define +user-accounts+
+ (map (lambda (user)
+ (let ((name (s1:first user))
+ (comment (s1:second user))
+ (groups (s1:third user)))
+ (user-account
+ (name name)
+ (comment comment)
+ (group "users")
+ (supplementary-groups groups))))
+ +users+))
+
+(define (ssh-file-for user)
+ (let ((name (s1:first user)))
+ (path (fmt "src/keys/SSH/~a.pub.txt" name))))
+
+(define +authorized-keys+
+ (let ((users-with-keys
+ (map (lambda (user)
+ `(,@user ,(slurp (ssh-file-for user))))
+ (filter (lambda (user)
+ (file-exists? (ssh-file-for user)))
+ +users+))))
+ (append
+ (map (lambda (user)
+ (let ((name (s1:first user))
+ (key (s1:fourth user)))
+ `(,name ,(plain-file (str name "-id_rsa.pub")
+ key))))
+ users-with-keys)
+ `(("git" ,@(map (lambda (user)
+ (let ((name (s1:first user))
+ (key (s1:fourth user)))
+ (plain-file (str name "-git-id_rsa.pub")
+ key)))
+ users-with-keys))))))
+
+(define (script name content)
+ (package
+ (name name)
+ (version "latest")
+ (source #f)
+ (build-system trivial-build-system)
+ (arguments
+ (list
+ #:modules '((guix build utils))
+ #:builder
+ #~(begin
+ (use-modules (guix build utils))
+ (let* ((bin (string-append %output "/bin"))
+ (prog (string-append bin "/" #$name)))
+ (mkdir-p bin)
+ (call-with-output-file prog
+ (lambda (port)
+ (display #$content port)))
+ (chmod prog #o755)))))
+ (home-page #f)
+ (synopsis #f)
+ (description #f)
+ (license #f)))
+
+
+(define ns1 (fmt "ns1.~a." +tld+))
+(define ns2 (fmt "ns2.~a." +tld+))
+(define ns ns1)
+(define mail (fmt "hostmaster.~a." +tld+))
+(define dkim-selector "dkimproxyout")
+(define dkim-public-key-path "/var/lib/dkimproxyout/public.key")
+
+(define dkim-name (str dkim-selector "._domainkey"))
+(define dkim-public-key
+ (if (file-exists? dkim-public-key-path)
+ (string-join
+ (reverse
+ (cdr
+ (reverse
+ (cdr
+ (string-split (slurp dkim-public-key-path)
+ #\newline)))))
+ "")
+ "stub-public-key-for-building"))
+
+(define ipv4-reverse-domain
+ (str
+ (string-join (reverse
+ (string-split +ipv4+
+ #\.))
+ ".")
+ ".in-addr.arpa"))
+
+(define ipv6-reverse-domain
+ (str
+ (string-join (reverse
+ (map (lambda (s) (fmt "~a" s))
+ (string->list
+ (string-delete #\: +ipv6+))))
+ ".")
+ ".ip6.arpa"))
+
+(define-zone-entries tld-zone
+ ("@" "" "IN" "NS" ns1)
+ ("@" "" "IN" "NS" ns2)
+ ("ns1" "" "IN" "A" +ipv4+)
+ ("ns1" "" "IN" "AAAA" +ipv6+)
+ ("ns2" "" "IN" "A" +ipv4+)
+ ("ns2" "" "IN" "AAAA" +ipv6+)
+
+ ("@" "" "IN" "A" +ipv4+)
+ ("@" "" "IN" "AAAA" +ipv6+)
+
+ ("@" "" "IN" "CAA" "0 issue \"letsencrypt.org\"")
+ ("@" "" "IN" "CAA" "0 issuewild \";\"")
+ ("@" "" "IN" "CAA" (fmt "0 iodef \"mailto:root@~a\"" +tld+))
+
+ ("mta-sts" "" "IN" "A" +ipv4+)
+ ("mta-sts" "" "IN" "AAAA" +ipv6+)
+ ("_mta-sts" "" "IN" "TXT" "\"v=STSv1; id=20230314\"")
+ ("@" "" "IN" "MX" (fmt "10 ~a." +tld+))
+ ("_dmarc" "" "IN" "TXT" "\"v=DMARC1; p=quarantine\"")
+ ("@" "" "IN" "TXT" (fmt "\"v=spf1 a:~a -all\"" +tld+))
+ (dkim-name "" "IN" "TXT" (fmt "\"v=DKIM1; k=rsa; t=s; p=~a\"" dkim-public-key)))
+
+(define-zone-entries ipv4-reverse-domain-zone
+ ("@" "" "IN" "PTR" (str +tld+ "."))
+ ("@" "" "IN" "NS" ns1)
+ ("@" "" "IN" "NS" ns2))
+
+(define-zone-entries ipv6-reverse-domain-zone
+ ("@" "" "IN" "PTR" (str +tld+ "."))
+ ("@" "" "IN" "NS" ns1)
+ ("@" "" "IN" "NS" ns2))
+
+(define zones
+ (list
+ (knot-zone-configuration
+ (domain +tld+)
+ (semantic-checks? #t)
+ (zone
+ (zone-file
+ (origin +tld+)
+ (ns ns)
+ (mail mail)
+ (entries tld-zone))))
+ (knot-zone-configuration
+ (domain ipv4-reverse-domain)
+ (semantic-checks? #t)
+ (zone
+ (zone-file
+ (origin ipv4-reverse-domain)
+ (ns ns)
+ (mail mail)
+ (entries ipv4-reverse-domain-zone))))
+ (knot-zone-configuration
+ (domain ipv6-reverse-domain)
+ (semantic-checks? #t)
+ (zone
+ (zone-file
+ (origin ipv6-reverse-domain)
+ (ns ns)
+ (mail mail)
+ (entries ipv6-reverse-domain-zone))))))
+
+
+(operating-system
+ (locale "en_GB.UTF-8")
+ (timezone "America/Sao_Paulo")
+ (host-name +tld+)
+ (skeletons
+ `((".profile"
+ ,(plain-file
+ "user-profile"
+ (file "src/config/profile.sh")))))
+ (users
+ (append
+ (list
+ (user-account
+ (name "git")
+ (group "git")
+ (system? #t)
+ (comment "External SSH Git user")
+ (home-directory "/srv/git")
+ (create-home-directory? #f)
+ (shell
+ (file-append git "/bin/git-shell")))
+ (user-account
+ (name "deployer")
+ (group "deployer")
+ (system? #t)
+ (comment "The account used to run deployment commands")
+ (home-directory "/var/empty")
+ (create-home-directory? #f)
+ (shell
+ (file-append shadow "/sbin/nologin")))
+ (user-account
+ (name "secrets-keeper")
+ (group "secrets-keeper")
+ (system? #t)
+ (comment "The account used to manage production secrets")
+ (home-directory "/var/empty")
+ (create-home-directory? #f)
+ (shell
+ (file-append shadow "/sbin/nologin"))))
+ +user-accounts+
+ %base-user-accounts))
+ (groups
+ (append
+ (list
+ (user-group
+ (name "git")
+ (system? #t))
+ (user-group
+ (name "deployer")
+ (system? #t))
+ (user-group
+ (name "become-deployer")
+ (system? #t))
+ (user-group
+ (name "secrets-keeper")
+ (system? #t))
+ (user-group
+ (name "become-secrets-keeper")
+ (system? #t)))
+ %base-groups))
+ (sudoers-file
+ (plain-file "sudoers" #"-
+ root ALL=(ALL) ALL
+ %wheel ALL= ALL
+ %become-deployer ALL=(deployer) NOPASSWD: ALL
+ %become-secrets-keeper ALL=(secrets-keeper) NOPASSWD: /run/current-system/profile/bin/rsync, /run/current-system/profile/bin/setfacl, /run/current-system/profile/bin/rm
+ git ALL= NOPASSWD: /run/current-system/profile/bin/reconfigure, /run/current-system/profile/bin/cicd
+ git ALL=(deployer) NOPASSWD: /run/current-system/profile/bin/rsync, /run/current-system/profile/bin/mkdir
+ "#))
+ (packages
+ (append
+ (map
+ (compose list specification->package+output symbol->string)
+ '(nss-certs
+ guile-heredoc
+ parted
+ acl
+ bind:utils
+ knot:tools
+ file
+ git
+ lsof
+ mailutils-sendmail
+ curl
+ make
+ borg
+ rsync
+ sqlite
+ strace
+ rlwrap
+ trash-cli
+ tree))
+ (list
+ (script "gc" (file "src/scripts/gc.sh"))
+ (script "cicd" (file "src/scripts/cicd.sh"))
+ (script "check" (file "src/scripts/check.sh"))
+ (script "backup" (file "src/scripts/backup.sh"))
+ (script "deploy" (file "src/scripts/deploy.sh"))
+ (script "report" (file "src/scripts/report.sh"))
+ (script "cronjob" (file "src/scripts/cronjob.sh"))
+ (script "reconfigure" (file "src/scripts/reconfigure.sh")))
+ %base-packages))
+ (services
+ (append
+ (list
+ (service ntp-service-type)
+ (service dhcp-client-service-type)
+ (service knot-service-type
+ (knot-configuration
+ (zones zones)))
+ (service openssh-service-type
+ (openssh-configuration
+ (openssh openssh-sans-x)
+ (password-authentication? #f)
+ (authorized-keys +authorized-keys+)
+ (extra-content #"-
+ ClientAliveInterval 30
+ ClientAliveCountMax 20
+ MaxSessions 20
+ SetEnv GIT_CONFIG_GLOBAL=/etc/gitconfig
+ "#)))
+ (simple-service 'extra-rottlog-rotations rottlog-service-type
+ (list
+ (log-rotation
+ (frequency 'weekly)
+ (files '("/var/log/cronjobs.log"))
+ (options '("rotate 52")))))
+ (service fail2ban-service-type)
+ (service mcron-service-type
+ (mcron-configuration
+ (jobs
+ (list
+ #~(job "0 0 * * *" "cronjob check")
+ #~(job "0 1 * * *" "cronjob env BORG_REPO=/mnt/backup/borg backup -q cron")
+ #~(job "0 2 * * *" "cronjob backup -q cron")
+ #~(job "0 3 * * 0" "cronjob gc")
+ #~(job "0 4 * * *" "cronjob reconfigure -U")))))
+ (service certbot-service-type
+ (certbot-configuration
+ (email (str "root@" +tld+))
+ (certificates
+ (list
+ (certificate-configuration
+ (domains (list +tld+))
+ (deploy-hook
+ (program-file
+ "nginx-deploy-hook"
+ #~(let ((pid (call-with-input-file "/var/run/nginx/pid" read)))
+ (kill pid SIGHUP)))))))))
+ (service nginx-service-type
+ (nginx-configuration
+ (server-blocks
+ (list
+ (nginx-server-configuration
+ (server-name (list +tld+))
+ (listen '("[::]:443 ssl http2" "443 ssl http2"))
+ (root "/srv/www")
+ (ssl-certificate (fmt "/etc/letsencrypt/live/~a/fullchain.pem" +tld+))
+ (ssl-certificate-key (fmt "/etc/letsencrypt/live/~a/privkey.pem" +tld+))
+ (locations
+ (list
+ (nginx-location-configuration
+ (uri "/api/")
+ (body
+ (list
+#;
+ (fmt "include /var/run/~a/curr.conf;~%" +tld+))))
+ (nginx-location-configuration
+ (uri "/git/static/")
+ (body
+ (list
+ (list "alias " cgit "/share/cgit/;"))))
+ (nginx-location-configuration
+ (uri "/git/")
+ (body
+ (list
+ (list "fastcgi_param SCRIPT_FILENAME " cgit "/lib/cgit/cgit.cgi;")
+ #"-
+ fastcgi_param PATH_INFO $uri;
+ fastcgi_param QUERY_STRING $args;
+ fastcgi_param HTTP_HOST $server_name;
+ fastcgi_pass localhost:9000;
+ rewrite /git(.*) $1 break;
+ "#)))))
+ (raw-content
+ '(#"-
+ # BearSSL still doesn't do TLSv1.3, so we deem TLSv1.2 as
+ # acceptable
+ ssl_protocols TLSv1.2 TLSv1.3;
+ ssl_ciphers EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH;
+ ssl_prefer_server_ciphers on;
+ gzip off; # Disable catch-all compression due to BREACH
+ charset UTF-8;
+ autoindex on;
+ add_header Strict-Transport-Security 'max-age=31536000; includeSubdomains' always;
+ "#)))))))
+ (service cgit-service-type queue:cgit-pre-configuration)
+ (simple-service 'extra-etc-file etc-service-type
+ `(("rc" ,(plain-file "rc.sh" (file "src/config/rc.sh")))
+ ("known_hosts" ,(plain-file "known_hosts" (file "src/config/known_hosts.txt")))
+ ("id_rsa.pub" ,(plain-file "id_rsa.pub" (file (fmt "src/keys/SSH/root@~a.id_rsa.pub.stripped" +tld+))))
+ ("ssh.conf" ,(plain-file "ssh.conf" (file "src/config/ssh.conf")))
+ ("init.scm" ,(plain-file "init.scm" (file "src/config/init.scm")))
+ ("conf.env" ,(plain-file "conf.env" (file "src/config/conf.env")))
+ ("gitconfig" ,(plain-file "gitconfig" (file "src/config/gitconfig")))))
+ (service queue:shadow-group-service-type)
+ (service queue:dkimproxyout-service-type)
+ (service queue:cyrus-sasl-service-type)
+ (service queue:dovecot-service-type)
+ (service queue:internet-postfix-service-type
+ (queue:postfix-configuration
+ (enable-submission? #t)
+ (main.cf-extra #"-
+ message_size_limit = 102400000
+ mailbox_size_limit = 5120000000
+ "#)))
+ (service mail-aliases-service-type
+ `(("root" "andre")
+ ("support" ,@(map s1:first +users+)))))
+ (modify-services %base-services
+ (rottlog-service-type config =>
+ (rottlog-configuration
+ (inherit config)
+ (rc-file
+ (file-append queue:rottlog-mailutils-sendmail "/etc/rc")))))))
+ (bootloader
+ (bootloader-configuration
+ (bootloader grub-bootloader)
+ (targets '("/dev/vda"))))
+ (swap-devices
+ (list
+ (swap-space
+ (target
+ (uuid "fde5e4a8-acc2-4c9a-9712-5494724c2c04")))))
+ (file-systems
+ (append
+ (list
+ (file-system
+ (mount-point "/")
+ (device
+ (uuid "da72be6a-0c6b-4874-a57f-2046fcba13af" 'btrfs))
+ (type "btrfs"))
+ (file-system
+ (mount-point "/mnt/production")
+ (needed-for-boot? #t)
+ (device
+ (uuid "c50ad9fa-c7a1-49a1-93d2-6633f3cf929f" 'btrfs))
+ (type "btrfs"))
+ (file-system
+ (mount-point "/mnt/backup")
+ (device
+ (uuid "d675e98c-3f48-44d1-b085-36c476d9313f" 'btrfs))
+ (type "btrfs")))
+ %base-file-systems)))
generated by cgit v1.2.3 (git 2.49.0) at 2025-07-13 21:22:23 +0000