1 files changed, 62 insertions, 0 deletions
diff --git a/test/acceptance/metrics_test.go b/test/acceptance/metrics_test.go
new file mode 100644
index 00000000..64cfb60a
--- /dev/null
+++ b/test/acceptance/metrics_test.go
@@ -0,0 +1,62 @@
+package acceptance_test
+
+import (
+	"io/ioutil"
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPrometheusMetricsCanBeScraped(t *testing.T) {
+	skipUnlessEnabled(t)
+
+	_, cleanup := newZipFileServerURL(t, "../../shared/pages/group/zip.gitlab.io/public.zip")
+	defer cleanup()
+
+	teardown := RunPagesProcessWithStubGitLabServer(t, true, *pagesBinary, listeners, ":42345", []string{})
+	defer teardown()
+
+	// need to call an actual resource to populate certain metrics e.g. gitlab_pages_domains_source_api_requests_total
+	res, err := GetPageFromListener(t, httpListener, "zip.gitlab.io",
+		"/symlink.html")
+	require.NoError(t, err)
+	require.Equal(t, http.StatusOK, res.StatusCode)
+
+	resp, err := http.Get("http://localhost:42345/metrics")
+	require.NoError(t, err)
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	require.NoError(t, err)
+
+	require.Contains(t, string(body), "gitlab_pages_http_in_flight_requests 0")
+	// TODO: remove metrics for disk source https://gitlab.com/gitlab-org/gitlab-pages/-/issues/382
+	require.Contains(t, string(body), "gitlab_pages_served_domains 0")
+	require.Contains(t, string(body), "gitlab_pages_domains_failed_total 0")
+	require.Contains(t, string(body), "gitlab_pages_domains_updated_total 0")
+	require.Contains(t, string(body), "gitlab_pages_last_domain_update_seconds gauge")
+	require.Contains(t, string(body), "gitlab_pages_domains_configuration_update_duration gauge")
+	// end TODO
+	require.Contains(t, string(body), "gitlab_pages_domains_source_cache_hit")
+	require.Contains(t, string(body), "gitlab_pages_domains_source_cache_miss")
+	require.Contains(t, string(body), "gitlab_pages_domains_source_failures_total")
+	require.Contains(t, string(body), "gitlab_pages_serverless_requests 0")
+	require.Contains(t, string(body), "gitlab_pages_serverless_latency_sum 0")
+	require.Contains(t, string(body), "gitlab_pages_disk_serving_file_size_bytes_sum")
+	require.Contains(t, string(body), "gitlab_pages_serving_time_seconds_sum")
+	require.Contains(t, string(body), `gitlab_pages_domains_source_api_requests_total{status_code="200"}`)
+	require.Contains(t, string(body), `gitlab_pages_domains_source_api_call_duration_bucket`)
+	require.Contains(t, string(body), `gitlab_pages_domains_source_api_trace_duration`)
+	// httprange
+	require.Contains(t, string(body), `gitlab_pages_httprange_requests_total{status_code="206"}`)
+	require.Contains(t, string(body), "gitlab_pages_httprange_requests_duration_bucket")
+	require.Contains(t, string(body), "gitlab_pages_httprange_trace_duration")
+	require.Contains(t, string(body), "gitlab_pages_httprange_open_requests")
+	// zip archives
+	require.Contains(t, string(body), "gitlab_pages_zip_opened")
+	require.Contains(t, string(body), "gitlab_pages_zip_cache_requests")
+	require.Contains(t, string(body), "gitlab_pages_zip_cached_entries")
+	require.Contains(t, string(body), "gitlab_pages_zip_archive_entries_cached")
+	require.Contains(t, string(body), "gitlab_pages_zip_opened_entries_count")
+}