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(use-modules (guix gexp)
(gnu)
(guix)
((guix build utils) #:prefix utils:)
((guix modules) #:prefix modules:)
((srfi srfi-1) #:prefix srfi-1:)
(srfi srfi-26) ; cut utility
((ice-9 textual-ports) #:prefix textual-ports:)
((ice-9 ftw) #:prefix ftw:)
((ice-9 popen) #:prefix popen:)
((ice-9 rdelim) #:prefix rdelim:)
((ice-9 string-fun) #:prefix string-fun:))
(use-package-modules ssh
backup
version-control)
(use-service-modules networking
ssh
mcron
admin
mail
web
certbot
cgit)
(define user "andreh")
(define tld (slurp "servers/vps/tld.txt"))
(define mail-domain (string-append mail-domain-prefix "." tld))
(define matrix-domain (string-append matrix-domain-prefix "." tld))
;; permit nopass :wheel
(define sudoers "\
root ALL=(ALL) ALL
%wheel ALL=NOPASSWD: ALL\n")
(define letsencrypt-prefix
"/etc/letsencrypt/live/")
(define (tls-pub-for domain)
(string-append letsencrypt-prefix domain "/fullchain.pem"))
(define (tls-priv-for domain)
(string-append letsencrypt-prefix domain "/privkey.pem"))
(define opensmtpd-config
(string-append "
listen on eth0
# File comes from mail-aliases-service-type
table aliases file:/etc/aliases
accept from any domain " mail-domain " alias <aliases> deliver to maildir
accept for local alias <aliases> deliver to maildir
accept for any relay
pki " mail-domain " cert \"" (tls-pub-for mail-domain) "\"
pki " mail-domain " key \"" (tls-priv-for mail-domain) "\""))
(define tls-domains
(list tld
mail-domain
matrix-domain))
(define my-system
(operating-system
(timezone "America/Sao_Paulo")
(host-name (slurp "servers/vps/hostname.txt"))
(users (cons* (user-account
(name user)
(group "users")
(home-directory (string-append "/home/" user))
(supplementary-groups '("wheel")))
%base-user-accounts))
(sudoers-file (plain-file "sudoers" sudoers))
(packages
(append (map (compose list specification->package+output symbol->string)
;; required for guix pull
'(nss-certs))
%base-packages))
(services
(append
(list (service dhcp-client-service-type)
(service openssh-service-type
(openssh-configuration
(openssh openssh-sans-x)
(password-authentication? #f)
(permit-root-login #f)
(authorized-keys
`((,user ,(local-file (string-append (getenv "HOME") "/.ssh/id_rsa.pub")))))))
(service git-daemon-service
(git-daemon-configuration
(export-all? #t)))
(simple-service 'automatic-services-restart
activation-service-type
(with-imported-modules '((gnu services herd))
#~(begin
(use-modules (gnu services herd))
(for-each restart-service
'(mcron
nginx)))))
(service unattended-upgrade-service-type
(unattended-upgrade-configuration
(schedule "30 1 * * 0")))
(service mcron-service-type
(mcron-configuration
(jobs
(list #~(job "30 1 * * 1" "/opt/bin/gc.sh")
#~(job "30 0 * * *" "/opt/bin/backup.sh")))))
#;
(service opensmtpd-service-type
(opensmtpd-configuration
(config-file (plain-file "euandreh-smtpd.conf" opensmtpd-config))))
(service nginx-service-type
(nginx-configuration
(server-blocks
(list (nginx-server-configuration
(ssl-certificate (tls-pub-for tld))
(ssl-certificate-key (tls-priv-for tld)))))))
(service certbot-service-type
(certbot-configuration
(email (string-append "certbot@" tld))
(certificates
(list
(certificate-configuration
(domains tls-domains))))))
(simple-service 'automatic-certbot-renewal
activation-service-type
(with-imported-modules '((gnu services herd))
#~(begin
(use-modules (gnu services herd))
(execl "/var/lib/certbot/renew-certificates")
(restart-service 'nginx))))
(simple-service 'init-srv-directories
activation-service-type
#~(for-each (lambda (p)
(mkdir-p p)
(chmod p #o755))
'("/srv/http"
"/srv/git"))))
(modify-services
%base-services
(guix-service-type
config => (guix-configuration
(inherit config)
(authorized-keys
(append
(list (local-file "/etc/guix/signing-key.pub"))
%default-authorized-guix-keys)))))))
(bootloader
(bootloader-configuration
(bootloader grub-bootloader)
(target "/dev/vda")
(terminal-outputs '(console))))
(swap-devices
(list (uuid "79a91c82-f3e1-4ed7-8c4e-23569f1ae0ca")))
(file-systems
(cons* (file-system
(mount-point "/")
(device
(uuid "fddb6a4c-8b8c-4f57-b274-5d6d33200f28"
'ext4))
(type "ext4"))
%base-file-systems))))
(list
(machine
(operating-system my-system)
(environment managed-host-environment-type)
(configuration (machine-ssh-configuration
(host-name tld)
(system "x86_64-linux")
(user user)
(host-key "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOwnnw/u8ub+kcQhnVSyNWarYGH8aesUwIy4SIprufKf")))))
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