gnu: Add go-go-opentelemetry-io-otel-sdk.

* gnu/packages/golang-web.scm (go-go-opentelemetry-io-otel-sdk): New variable.

Change-Id: I170133ed9d2d85d33d8a4ee66624382a34fac06b

gnu/packages/golang-web.scm

@@ -5640,6 +5640,60 @@ go.opentelemetry.io/otel, go.opentelemetry.io/otel/metric and
 go.opentelemetry.io/otel/trace.")
     (license license:asl2.0)))
 
+(define-public go-go-opentelemetry-io-otel-sdk
+  (package
+    (name "go-go-opentelemetry-io-otel-sdk")
+    (version "1.30.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/open-telemetry/opentelemetry-go")
+             (commit (go-version->git-ref version #:subdir "sdk"))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0mpkwz2ryah5j2fb835pdw9084nwhr6fj3jig2mnvwwnsymp2bvy"))
+       (modules '((guix build utils)
+                  (ice-9 ftw)
+                  (srfi srfi-26)))
+       (snippet
+        #~(begin
+            ;; XXX: 'delete-all-but' is copied from the turbovnc package.
+            ;; Consider to implement it as re-usable procedure in
+            ;; guix/build/utils or guix/build-system/go.
+            (define (delete-all-but directory . preserve)
+              (define (directory? x)
+                (and=> (stat x #f)
+                       (compose (cut eq? 'directory <>) stat:type)))
+              (with-directory-excursion directory
+                (let* ((pred
+                        (negate (cut member <> (append '("." "..") preserve))))
+                       (items (scandir "." pred)))
+                  (for-each (lambda (item)
+                              (if (directory? item)
+                                  (delete-file-recursively item)
+                                  (delete-file item)))
+                            items))))
+            (delete-all-but "." "sdk")))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "go.opentelemetry.io/otel/sdk"
+      #:unpack-path "go.opentelemetry.io/otel"))
+    (native-inputs
+     (list go-github-com-stretchr-testify))
+    (propagated-inputs
+     (list go-github-com-go-logr-logr
+           go-github-com-google-go-cmp
+           go-github-com-google-uuid
+           go-go-opentelemetry-io-otel
+           go-golang-org-x-sys))
+    (home-page "https://opentelemetry.io/")
+    (synopsis "OpenTelemetry Golang SDK")
+    (description
+     "This package provides OpenTelemetry Otel SDK.")
+    (license license:asl2.0)))
+
 (define-public go-golang-org-x-oauth2
   (package
     (name "go-golang-org-x-oauth2")