diff --git a/pkg/logo/BUILD.bazel b/pkg/logo/BUILD.bazel
new file mode 100644
index 000000000..ba66cdc3b
--- /dev/null
+++ b/pkg/logo/BUILD.bazel
@@ -0,0 +1,18 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+# Minify the logo into a favicon.
+genrule(
+ name = "favicon",
+ srcs = [":buildbarn_logo.svg"],
+ outs = ["favicon.svg"],
+ # Remove embedded draw.io content attribute and svg comments.
+ cmd = "tr -d '\n' < $(location :buildbarn_logo.svg) | sed -e 's/ content=\"[^\"]*\"//' -e 's///g' > $@",
+)
+
+go_library(
+ name = "logo",
+ srcs = ["logo.go"],
+ embedsrcs = ["favicon.svg"],
+ importpath = "github.com/buildbarn/bb-storage/pkg/logo",
+ visibility = ["//visibility:public"],
+)
diff --git a/pkg/logo/buildbarn_logo.svg b/pkg/logo/buildbarn_logo.svg
new file mode 100644
index 000000000..8728b2454
--- /dev/null
+++ b/pkg/logo/buildbarn_logo.svg
@@ -0,0 +1,21 @@
+
+
+
+
diff --git a/pkg/logo/logo.go b/pkg/logo/logo.go
new file mode 100644
index 000000000..12a2a907d
--- /dev/null
+++ b/pkg/logo/logo.go
@@ -0,0 +1,21 @@
+package logo
+
+import (
+ _ "embed" // For "go:embed".
+ "encoding/base64"
+ "html/template"
+)
+
+//go:embed favicon.svg
+var faviconSvg []byte
+
+// FaviconSvg holds the Buildbarn logo and can be used as favicon in web browsers.
+var FaviconSvg = faviconSvg
+
+// EmbeddedFaviconURL has encoded FaviconSvg into a 'data:' URL,
+// to be embedded in a web site.
+//
+// Example:
+//
+//
+var EmbeddedFaviconURL = template.URL("data:image/svg+xml;base64," + base64.StdEncoding.EncodeToString(FaviconSvg))
diff --git a/pkg/otel/BUILD.bazel b/pkg/otel/BUILD.bazel
index 99cead49e..c38b03fa5 100644
--- a/pkg/otel/BUILD.bazel
+++ b/pkg/otel/BUILD.bazel
@@ -18,6 +18,7 @@ go_library(
visibility = ["//visibility:public"],
deps = [
"//pkg/clock",
+ "//pkg/logo",
"@io_opentelemetry_go_otel//attribute",
"@io_opentelemetry_go_otel//codes",
"@io_opentelemetry_go_otel//propagation",
@@ -45,6 +46,7 @@ go_test(
deps = [
":otel",
"//internal/mock",
+ "//pkg/logo",
"//pkg/testutil",
"@com_github_golang_mock//gomock",
"@com_github_stretchr_testify//require",
diff --git a/pkg/otel/active_spans.html b/pkg/otel/active_spans.html
index ef7d20b40..1d0c0d31c 100644
--- a/pkg/otel/active_spans.html
+++ b/pkg/otel/active_spans.html
@@ -2,6 +2,7 @@
Active OpenTelemetry spans
+
diff --git a/pkg/otel/active_spans_reporting_http_handler.go b/pkg/otel/active_spans_reporting_http_handler.go
index 8c0ba5679..f3b7ad5eb 100644
--- a/pkg/otel/active_spans_reporting_http_handler.go
+++ b/pkg/otel/active_spans_reporting_http_handler.go
@@ -10,6 +10,7 @@ import (
"time"
"github.com/buildbarn/bb-storage/pkg/clock"
+ "github.com/buildbarn/bb-storage/pkg/logo"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
@@ -20,7 +21,8 @@ var (
//go:embed active_spans.html
activeSpansTemplateBody string
activeSpansTemplate = template.Must(template.New("ActiveSpans").Funcs(template.FuncMap{
- "stylesheet": func() template.CSS { return stylesheet },
+ "favicon_url": func() template.URL { return logo.EmbeddedFaviconURL },
+ "stylesheet": func() template.CSS { return stylesheet },
"timestamp_rfc3339": func(t time.Time) string {
// Converts a timestamp to RFC3339 format.
return t.Format("2006-01-02T15:04:05.999Z07:00")
diff --git a/pkg/otel/active_spans_reporting_http_handler_test.go b/pkg/otel/active_spans_reporting_http_handler_test.go
index 8eaab1843..60d7e8b49 100644
--- a/pkg/otel/active_spans_reporting_http_handler_test.go
+++ b/pkg/otel/active_spans_reporting_http_handler_test.go
@@ -4,6 +4,7 @@ import (
"context"
_ "embed" // For "go:embed".
"errors"
+ "html/template"
"io"
"net/http"
"net/http/httptest"
@@ -12,6 +13,7 @@ import (
"time"
"github.com/buildbarn/bb-storage/internal/mock"
+ "github.com/buildbarn/bb-storage/pkg/logo"
"github.com/buildbarn/bb-storage/pkg/otel"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/require"
@@ -38,6 +40,7 @@ func requireEqualBody(t *testing.T, expectedBody string, hh http.Handler) {
Active OpenTelemetry spans
+