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package acceptance_test
import (
"io"
"net/http"
"testing"
"github.com/stretchr/testify/require"
)
func TestPrometheusMetricsCanBeScraped(t *testing.T) {
runObjectStorage(t, "../../shared/pages/group/zip.gitlab.io/public.zip")
RunPagesProcess(t,
withExtraArgument("max-conns", "10"),
withExtraArgument("metrics-address", ":42345"),
)
// 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)
defer res.Body.Close()
require.Equal(t, http.StatusOK, res.StatusCode)
resp, err := http.Get("http://127.0.0.1:42345/metrics")
require.NoError(t, err)
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
require.NoError(t, err)
require.Contains(t, string(body), "gitlab_pages_http_in_flight_requests 0")
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_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")
// limit_listener
require.Contains(t, string(body), "gitlab_pages_limit_listener_max_conns")
require.Contains(t, string(body), "gitlab_pages_limit_listener_concurrent_conns")
require.Contains(t, string(body), "gitlab_pages_limit_listener_waiting_conns")
}
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