services: Add cloudflare-tunnel-service-type.

rosenthal/services/child-error.scm: New file.
(<cloudflare-tunnel-configuration>): New data type.
(cloudflare-tunnel-service-type): New variable.

rosenthal/services/child-error.scm

@@ -0,0 +1,84 @@
+;; SPDX-FileCopyrightText: 2022 Hilton Chain <hako@ultrarare.space>
+;;
+;; SPDX-License-Identifier: GPL-3.0-or-later
+
+(define-module (rosenthal services child-error)
+  #:use-module (ice-9 match)
+  #:use-module (guix records)
+  #:use-module (guix gexp)
+  #:use-module (gnu home services)
+  #:use-module (gnu home services shepherd)
+  #:use-module (gnu services)
+  #:use-module (gnu services configuration)
+  #:use-module (gnu services shepherd)
+  #:use-module (rosenthal utils home-services-utils)
+  #:export (cloudflare-tunnel-configuration
+            cloudflare-tunnel-service-type))
+
+;; Child-error: services for packages not available in Guix, currently this
+;; means some Go and Rust apps I build locally but don't want to package.
+
+
+
+;;
+;; Cloudflare Tunnel
+;;
+
+
+(define-record-type* <cloudflare-tunnel-configuration>
+  cloudflare-tunnel-configuration make-cloudflare-tunnel-configuration
+  cloudflare-tunnel-configuration?
+  (cloudflared   cloudflare-tunnel-configuration-cloudflared   ;string
+                 (default "/bin/cloudflared"))
+  ;; Tunnel command options
+  (metrics       cloudflare-tunnel-configuration-metrics       ;string
+                 (default "localhost:"))
+  (log-level     cloudflare-tunnel-configuration-log-level     ;string
+                 (default "info"))
+  (log-file      cloudflare-tunnel-configuration-log-file      ;string
+                 (default "/var/log/cloudflared.log"))
+  ;; Subcommand options
+  (token         cloudflare-tunnel-configuration-token         ;string
+                 (default #f))
+  (http2-origin? cloudflare-tunnel-configuration-http2-origin? ;boolean
+                 (default #f))
+  (post-quantum? cloudflare-tunnel-configuration-post-quantum? ;boolean
+                 (default #f))
+  (extra-options cloudflare-tunnel-configuration-extra-options ;list of string
+                 (default '())))
+
+(define cloudflare-tunnel-shepherd-service
+  (match-lambda
+    (($ <cloudflare-tunnel-configuration> cloudflared metrics
+                                          log-level log-file
+                                          token http2-origin? post-quantum?
+                                          extra-options)
+     (let ((tunnel-options
+            (list "--no-autoupdate" "--metrics" metrics "--loglevel" log-level)))
+       (list (shepherd-service
+              (documentation "Run cloudflared.")
+              (provision '(cloudflare-tunnel))
+              (requirement '(loopback networking user-processes))
+              (start #~(make-forkexec-constructor
+                        (list #$cloudflared "tunnel" #$@tunnel-options "run"
+                              "--token" #$token
+                              #$@(if http2-origin?
+                                     '("--http2-origin")
+                                     '())
+                              #$@(if post-quantum?
+                                     '("--post-quantum")
+                                     '())
+                              #$@extra-options)
+                        #:user "nobody"
+                        #:group "nogroup"
+                        #:log-file #$log-file))
+              (stop #~(make-kill-destructor))))))))
+
+(define cloudflare-tunnel-service-type
+  (service-type
+   (name 'cloudflare-tunnel)
+   (extensions
+    (list (service-extension shepherd-root-service-type
+                             cloudflare-tunnel-shepherd-service)))
+   (default-value (cloudflare-tunnel-configuration))
+   (description "Run cloudflared, the Cloudflare Tunnel daemon.")))