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-(use-modules (gnu)
- (gnu packages version-control)
- (gnu services admin)
- (gnu services certbot)
- (gnu services cgit)
- (gnu services ci)
- (gnu services networking)
- (gnu services ssh)
- (gnu services version-control)
- (gnu services web))
-
-(define letsencrypt-cert
- "/etc/letsencrypt/live/dthompson.us/fullchain.pem")
-(define letsencrypt-cert-key
- "/etc/letsencrypt/live/dthompson.us/privkey.pem")
-(define dave-pub-key (local-file "keys/dave.pub"))
-(define git-root "/var/lib/gitolite")
-(define fcgiwrap-socket "127.0.0.1:9000")
-
-(define nginx-accounts
- (list (user-group (name "nginx") (system? #t))
- (user-account
- (name "nginx")
- (group "nginx")
- (supplementary-groups '("git"))
- (system? #t)
- (comment "nginx server user")
- (home-directory "/var/empty")
- (shell (file-append (specification->package "shadow")
- "/sbin/nologin")))))
-
-(define (nginx-signal name signal)
- (program-file
- name
- #~(let ((pid (call-with-input-file "/var/run/nginx/pid" read)))
- (kill pid #$signal))))
-
-;; Need to override the default nginx service account configuration so
-;; that the nginx user is a member of the git group.
-(define nginx-service-type*
- (service-type
- (inherit nginx-service-type)
- (extensions
- (map (lambda (extension)
- (if (eq? (service-extension-target extension)
- account-service-type)
- (service-extension account-service-type
- (const nginx-accounts))
- extension))
- (service-type-extensions nginx-service-type)))))
-
-(define takemi-os
- (operating-system
- (locale "en_US.utf8")
- (timezone "America/New_York")
- (keyboard-layout (keyboard-layout "us"))
- (host-name "takemi")
- (users (cons* (user-account
- (name "dave")
- (comment "David Thompson")
- (group "users")
- (home-directory "/home/dave")
- (supplementary-groups
- '("wheel" "netdev")))
- (user-account
- (name "publish")
- (comment "Web file publisher")
- (group "publish")
- (home-directory "/var/www")
- (system? #t)
- (create-home-directory? #f))
- %base-user-accounts))
- (groups (cons* (user-group
- (name "publish")
- (system? #t))
- %base-groups))
- (sudoers-file
- (plain-file "sudoers"
- (string-append (plain-file-content %sudoers-specification)
- ;; 'guix deploy' requires no password
- ;; sudo capability.
- "dave ALL = NOPASSWD: ALL\n")))
- (packages
- (append (map specification->package '("emacs" "nss-certs" "rsync" "git" "laminar"))
- %base-packages))
- (services
- (cons*
- (service dhcp-client-service-type)
- (service openssh-service-type
- (openssh-configuration
- (password-authentication? #f)
- ;; So I can forward ports from my local host to
- ;; the server and have the ports accessible from
- ;; the internet.
- (gateway-ports? #t)
- (authorized-keys
- `(("dave" ,dave-pub-key)
- ("publish" ,dave-pub-key)))))
- ;; Git repository hosting.
- (service gitolite-service-type
- (gitolite-configuration
- (admin-pubkey dave-pub-key)
- (rc-file (gitolite-rc-file
- ;; Grant read access to git group so
- ;; cgit will work.
- (umask #o0027)
- (git-config-keys "gitweb\\..*")))))
- ;; Continuous integration.
- (service laminar-service-type
- (laminar-configuration
- (supplementary-groups '("git"))))
- ;; TLS certificates. Certbot extends nginx with configuration to
- ;; redirect all HTTP requests to HTTPS.
- (service (service-type
- (inherit certbot-service-type)
- (extensions
- ;; Replace original nginx-service-type with
- ;; our modified one.
- (map (lambda (extension)
- (if (eq? (service-extension-target extension)
- nginx-service-type)
- (service-extension nginx-service-type*
- (@@ (gnu services certbot)
- certbot-nginx-server-configurations))
- extension))
- (service-type-extensions certbot-service-type))))
- (certbot-configuration
- (email "dthompson2@worcester.edu")
- (certificates
- (list
- (certificate-configuration
- (domains '("dthompson.us"
- "www.dthompson.us"
- "git.dthompson.us"
- "ci.dthompson.us"
- "files.dthompson.us"
- "haunt.dthompson.us"))
- ;; Send SIGHUP signal to nginx to trigger a
- ;; configuration reload, thus loading the
- ;; updated certificates.
- (deploy-hook (nginx-signal "nginx-deploy-hook" SIGHUP)))))
- (webroot "/var/www/certbot")))
- (service nginx-service-type*
- (nginx-configuration
- (server-blocks
- (list (nginx-server-configuration
- (listen '("443 ssl"))
- (server-name '("www.dthompson.us"))
- (root "/var/www/blog")
- ;; I used to check in the HTML output of
- ;; manuals to my blog's git repo which was
- ;; super gross. This rewrite rule keeps those
- ;; links alive.
- (locations
- (list
- (nginx-location-configuration
- (uri "/manuals")
- (body '("rewrite ^/manuals/([^/]+)/(.*) https://files.dthompson.us/docs/$1/latest/$2 permanent;")))))
- (ssl-certificate letsencrypt-cert)
- (ssl-certificate-key letsencrypt-cert-key))
- (nginx-server-configuration
- (listen '("443 ssl"))
- (server-name '("files.dthompson.us"))
- (root "/var/www/files")
- (raw-content '("autoindex on;"))
- (ssl-certificate letsencrypt-cert)
- (ssl-certificate-key letsencrypt-cert-key))
- (nginx-server-configuration
- ;; Laminar recommends using HTTP2 here.
- (listen '("443 ssl http2"))
- (server-name '("ci.dthompson.us"))
- (locations
- (list
- ;; Reverse proxy to Laminar daemon.
- (nginx-location-configuration
- (uri "/")
- (body '("proxy_pass http://127.0.0.1:8080;"
- "proxy_http_version 1.1;"
- "proxy_set_header Connection \"\";")))
- ;; Serve static files directly.
- (nginx-location-configuration
- (uri "/archive")
- (body '("alias /var/lib/laminar/archive/;")))))
- (ssl-certificate letsencrypt-cert)
- (ssl-certificate-key letsencrypt-cert-key)
- ;; Modern TLS only.
- (raw-content
- '("ssl_protocols TLSv1.3;"
- "ssl_ciphers EECDH+AESGCM:EDH+AESGCM;")))
- ;; I used to have the Haunt website under
- ;; its own subdomain, and some sites still
- ;; point to it.
- (nginx-server-configuration
- (listen '("443 ssl"))
- (server-name '("haunt.dthompson.us"))
- (root "/var/www/haunt")
- (locations
- (list
- (nginx-location-configuration
- (uri "/")
- (body '("rewrite .* https://dthompson.us/projects/haunt.html permanent;")))))
- (ssl-certificate letsencrypt-cert)
- (ssl-certificate-key letsencrypt-cert-key))))))
- ;; Git repository viewer.
- (let ((cgit (specification->package "cgit")))
- (service (service-type
- (inherit cgit-service-type)
- (extensions
- ;; Replace original nginx-service-type with
- ;; our modified one.
- (map (lambda (extension)
- (if (eq? (service-extension-target extension)
- nginx-service-type)
- (service-extension nginx-service-type*
- cgit-configuration-nginx-config)
- extension))
- (service-type-extensions cgit-service-type))))
- (cgit-configuration
- (project-list (string-append git-root "/projects.list"))
- (repository-directory (string-append git-root "/repositories"))
- (root-desc "all i wanted was a pepsi") ; just one pepsi
- (enable-git-config? #t)
- ;; Cgit only supports the old HTTP "dumb"
- ;; protocol, which notably libgit2 won't even
- ;; entertain supporting. So, we'll disable
- ;; that and use Git itself to provide the HTTP
- ;; "smart" protocol instead.
- (enable-http-clone? #f)
- (enable-index-links? #t)
- (enable-index-owner? #f)
- (enable-commit-graph? #t)
- (enable-log-filecount? #t)
- (enable-log-linecount? #t)
- (remove-suffix? #t)
- (clone-url '("https://git.dthompson.us/$CGIT_REPO_URL.git"))
- ;; Is there a way to avoid this wrapper script?
- (source-filter (program-file
- "cgit-syntax-highlight"
- #~(apply execl
- (string-append #$cgit "/lib/cgit/filters/syntax-highlighting.py")
- (command-line))))
- (nginx
- (list (nginx-server-configuration
- (listen '("443 ssl"))
- (server-name '("git.dthompson.us"))
- (root cgit)
- (locations
- (list
- ;; URI paths with .git are handled by
- ;; Git's "smart" HTTP protocol.
- (nginx-location-configuration
- (uri "~ (/.*\\.git/.*)")
- (body
- `(("fastcgi_pass " ,fcgiwrap-socket ";")
- ("fastcgi_param SCRIPT_FILENAME "
- ,git "/libexec/git-core/git-http-backend;")
- "fastcgi_param QUERY_STRING $query_string;"
- "fastcgi_param REQUEST_METHOD $request_method;"
- "fastcgi_param CONTENT_TYPE $content_type;"
- "fastcgi_param CONTENT_LENGTH $content_length;"
- ("fastcgi_param GIT_PROJECT_ROOT "
- ,git-root "/repositories;")
- "fastcgi_param PATH_INFO $1;")))
- ;; Redirect old URLs to .git pages to
- ;; the new .git-less URL. This
- ;; doesn't handle deeper links but
- ;; that's okay.
- (nginx-location-configuration
- (uri "~ (/.*)\\.git")
- (body
- `("return 301 $1;")))
- ;; Serve a static file if one exists,
- ;; otherwise send the request to
- ;; cgit.
- (nginx-location-configuration
- (uri "/")
- (body
- '("try_files $uri @cgit;")))
- (nginx-location-configuration
- (uri "@cgit")
- (body `("fastcgi_param SCRIPT_FILENAME $document_root/lib/cgit/cgit.cgi;"
- "fastcgi_param PATH_INFO $uri;"
- "fastcgi_param QUERY_STRING $args;"
- "fastcgi_param HTTP_HOST $server_name;"
- ("fastcgi_pass " ,fcgiwrap-socket ";"))))))
- (ssl-certificate letsencrypt-cert)
- (ssl-certificate-key letsencrypt-cert-key)))))))
- ;; fcgriwrap wraps cgit.
- (service fcgiwrap-service-type
- (fcgiwrap-configuration
- ;; Use git group for read-only access to gitolite
- ;; repos.
- (group "git")
- (socket (string-append "tcp:" fcgiwrap-socket))))
- ;; Log rotation.
- (simple-service 'rotate-logs
- rottlog-service-type
- (list (log-rotation
- (frequency 'daily)
- (files '("/var/log/nginx/access.log"
- "/var/log/nginx/error.log"))
- (options `("storedir /var/log/nginx"
- ;; Keep a week of logs.
- "rotate 6"
- ;; Run post-rotate once per
- ;; rotation rather than once
- ;; for each file.
- "sharedscripts"
- ,@%default-log-rotation-options))
- ;; Tell nginx to reopen its log files after rotation.
- (post-rotate (nginx-signal "nginx-post-rotate-hook" SIGUSR1)))
- (log-rotation
- (frequency 'daily)
- (files '("/var/log/fcgiwrap.log"))
- (options `("rotate 6"
- ,@%default-log-rotation-options)))))
- (modify-services %base-services
- (guix-service-type config =>
- (guix-configuration
- (inherit config)
- (authorized-keys (cons (local-file "keys/signing-key.pub")
- %default-authorized-guix-keys)))))))
- (bootloader
- (bootloader-configuration
- (bootloader grub-bootloader)
- (targets '("/dev/vda"))
- (keyboard-layout keyboard-layout)))
- (initrd-modules
- (append '("virtio_scsi") %base-initrd-modules))
- (swap-devices (list (swap-space (target "/dev/vda2"))))
- (file-systems
- (cons* (file-system
- (mount-point "/")
- (device (uuid "f99d3ff5-57ea-4b20-bca7-bc2d58b4c364" 'ext4))
- (type "ext4"))
- %base-file-systems))))
-
-(define takemi-host-key
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOrptBAMgs8dGDerBkcmZQ2W/0nEXtOBCl8nLlEwjKdI")
-
-(list (machine
- (operating-system takemi-os)
- (environment managed-host-environment-type)
- (configuration (machine-ssh-configuration
- (host-name "dthompson.us")
- (system "x86_64-linux")
- (user "dave")
- (host-key takemi-host-key)))))