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(use-modules (arunisaac powerdns)
(gnu)
((gnu packages admin) #:select (htop nmap))
((gnu packages curl) #:select (curl))
((gnu packages dns) #:select (knot))
((gnu packages linux) #:select (nftables))
((gnu packages ssh) #:select (openssh-sans-x))
(gnu services networking)
(gnu services ssh)
(gnu services sysctl)
(gnu services vpn)
(gnu services web)
(guix records))
(load "mugam-private.scm")
(define %hrrol-wg-ip
"192.168.2.12")
(define %ragulkanth-wg-ip
"192.168.2.4")
(define %wireguard-peers
(cons* (wireguard-peer
(name 'ragulkanth)
(public-key "2FSShF/tVYoPYmIjZQk3Uqv53QFKoXb78kD4vyLVVmM=")
(allowed-ips (list (string-append %ragulkanth-wg-ip "/32"))))
(wireguard-peer
(name 'hrrol)
(public-key "QfPQwNHMr6o6iqt/EzPm1JZOrZRik6LGRpdJOyIiK3g=")
(allowed-ips (list (string-append %hrrol-wg-ip "/32"))))
%wireguard-private-peers))
;;;
;;; DNS Server
;;;
(define-record-type* <zone>
zone make-zone
zone?
(name zone-name)
(file zone-file))
;; TODO: Backup zone files.
(define %zones
(list (zone
(name "arohonline.in")
(file "/etc/powerdns/zones/arohonline.in"))
(zone
(name "arohonline.org")
(file "/etc/powerdns/zones/arohonline.org"))
(zone
(name "cosmobird.me")
(file "/etc/powerdns/zones/cosmobird.me"))
(zone
(name "issuesofconcern.in")
(file "/etc/powerdns/zones/issuesofconcern.in"))
(zone
(name "ragulkanth.dev")
(file "/etc/powerdns/zones/ragulkanth.dev"))
(zone
(name "solariiknight.org")
(file "/etc/powerdns/zones/solariiknight.org"))
(zone
(name "systemreboot.net")
(file "/etc/powerdns/zones/systemreboot.net"))))
(define (named.conf-gexp zones)
"Return a G-expression that computes a named.conf with ZONES, a list
of <zone> records."
#~(begin
(call-with-output-file #$output
(lambda (port)
(for-each (lambda (name file)
(format port "zone ~s {
file ~s;
};
"
name file))
'#$(map zone-name zones)
'#$(map zone-file zones))))))
;;;
;;; operating-system definition
;;;
(operating-system
(host-name "mugam")
(timezone "Europe/London")
(locale "ta_IN.utf8")
(bootloader (bootloader-configuration
(bootloader grub-bootloader)))
(file-systems (cons (file-system
(mount-point "/")
(device "/dev/vda1")
(type "ext4"))
%base-file-systems))
(users (cons* (user-account
(name "arunisaac")
(comment "Arun Isaac")
(group "users"))
(user-account
(name "cosmovpndns")
(comment "Ganesh")
(group "users"))
(user-account
(name "ragulkanth")
(comment "Ragulkanth")
(group "users"))
%base-user-accounts))
(packages
(cons* curl
htop
(list knot "tools")
nftables
nmap
%base-packages))
(services
(cons* (service dhcpcd-service-type)
(service nftables-service-type
(nftables-configuration
(ruleset (mixed-text-file "mugam-nftables.conf"
"define hrrol = " %hrrol-wg-ip "\n"
"define ragulkanth = " %ragulkanth-wg-ip "\n" "\n"
"include \"" (local-file "mugam-nftables-rules.conf") "\"\n"))))
(service wireguard-service-type
(wireguard-configuration
(addresses (list "192.168.2.1/24"))
(peers %wireguard-peers)))
(service openssh-service-type
(openssh-configuration
(openssh openssh-sans-x)
(password-authentication? #f)
(permit-root-login #t)
(allow-agent-forwarding? #f)
(authorized-keys
`(("root" ,(local-file "ssh-keys/arunisaac.pub"))
("arunisaac" ,(local-file "ssh-keys/arunisaac.pub"))
("cosmovpndns" ,(local-file "ssh-keys/cosmovpndns.pub"))
("ragulkanth" ,(local-file "ssh-keys/ragulkanth.pub"))))))
(service powerdns-service-type
(powerdns-configuration
(backends (list "bind"))
(bind-config
(computed-file "named.conf"
(named.conf-gexp %zones)))
(bind-check-interval 60)))
(service nginx-service-type
(nginx-configuration
(server-blocks
(list (nginx-server-configuration
(listen (list "80"))
(server-name (list ".arohonline.in"
".arohonline.org"
".issuesofconcern.in"
".solariiknight.org"
".systemreboot.net"))
(locations
(list (nginx-location-configuration
(uri "/")
(body (list (string-append "proxy_pass http://"
%hrrol-wg-ip
";")
"proxy_set_header Host $http_host;"))))))
(nginx-server-configuration
(listen (list "80"))
(server-name (list ".dev-il.xyz"
".ragulkanth.dev"))
(locations
(list (nginx-location-configuration
(uri "/")
(body (list (string-append "proxy_pass http://"
%ragulkanth-wg-ip
";")
"proxy_set_header Host $http_host;"))))))))
(stream
(nginx-stream-configuration
(upstream-blocks
(list (nginx-upstream-configuration
(name "hrrol_https")
(servers (list (string-append %hrrol-wg-ip ":443"))))
(nginx-upstream-configuration
(name "ragulkanth_https")
(servers (list (string-append %ragulkanth-wg-ip ":443"))))))
(server-blocks
(list (nginx-server-configuration
(listen (list "443"))
(raw-content (list "ssl_preread on;"
"proxy_pass $upstream;")))))
(extra-content
(list "map $ssl_preread_server_name $upstream {
hostnames;
.arohonline.in hrrol_https;
.arohonline.org hrrol_https;
.issuesofconcern.in hrrol_https;
.solariiknight.org hrrol_https;
.systemreboot.net hrrol_https;
.dev-il.xyz ragulkanth_https;
.ragulkanth.dev ragulkanth_https;
}
"))))))
(modify-services %base-services
(guix-service-type
config => (guix-configuration
(inherit config)
(authorized-keys (cons (local-file "/etc/guix/signing-key.pub")
%default-authorized-guix-keys))))
(sysctl-service-type
config => (sysctl-configuration
(settings '(("net.ipv4.ip_forward" . "1")))))))))
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