X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/04efddf61ee4a0e5c65a72a538fe3f026ae94e8e..2c3a6a67bc01241f57e815f4f7e4678bd6eadb03:/services/keep-web/server_test.go

diff --git a/services/keep-web/server_test.go b/services/keep-web/server_test.go
index 500561d69c..8b689efbdc 100644
--- a/services/keep-web/server_test.go
+++ b/services/keep-web/server_test.go
@@ -1,11 +1,17 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
 	"crypto/md5"
+	"encoding/json"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"net"
+	"net/http"
 	"os"
 	"os/exec"
 	"strings"
@@ -55,7 +61,6 @@ func (s *IntegrationSuite) TestNoToken(c *check.C) {
 func (s *IntegrationSuite) Test404(c *check.C) {
 	for _, uri := range []string{
 		// Routing errors (always 404 regardless of what's stored in Keep)
-		"/",
 		"/foo",
 		"/download",
 		"/collections",
@@ -269,7 +274,6 @@ func (s *IntegrationSuite) runCurl(c *check.C, token, host, uri string, args ...
 	// Discard (but measure size of) anything past 128 MiB.
 	var discarded int64
 	if err == io.ErrUnexpectedEOF {
-		err = nil
 		buf = buf[:n]
 	} else {
 		c.Assert(err, check.Equals, nil)
@@ -292,6 +296,113 @@ func (s *IntegrationSuite) runCurl(c *check.C, token, host, uri string, args ...
 	return
 }
 
+func (s *IntegrationSuite) TestMetrics(c *check.C) {
+	origin := "http://" + s.testServer.Addr
+	req, _ := http.NewRequest("GET", origin+"/notfound", nil)
+	_, err := http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	req, _ = http.NewRequest("GET", origin+"/by_id/", nil)
+	req.Header.Set("Authorization", "Bearer "+arvadostest.ActiveToken)
+	resp, err := http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	c.Check(resp.StatusCode, check.Equals, http.StatusOK)
+	for i := 0; i < 2; i++ {
+		req, _ = http.NewRequest("GET", origin+"/foo", nil)
+		req.Host = arvadostest.FooCollection + ".example.com"
+		req.Header.Set("Authorization", "Bearer "+arvadostest.ActiveToken)
+		resp, err = http.DefaultClient.Do(req)
+		c.Assert(err, check.IsNil)
+		c.Check(resp.StatusCode, check.Equals, http.StatusOK)
+		buf, _ := ioutil.ReadAll(resp.Body)
+		c.Check(buf, check.DeepEquals, []byte("foo"))
+		resp.Body.Close()
+	}
+
+	s.testServer.Config.Cache.updateGauges()
+
+	req, _ = http.NewRequest("GET", origin+"/metrics.json", nil)
+	resp, err = http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	c.Check(resp.StatusCode, check.Equals, http.StatusUnauthorized)
+
+	req, _ = http.NewRequest("GET", origin+"/metrics.json", nil)
+	req.Header.Set("Authorization", "Bearer badtoken")
+	resp, err = http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	c.Check(resp.StatusCode, check.Equals, http.StatusForbidden)
+
+	req, _ = http.NewRequest("GET", origin+"/metrics.json", nil)
+	req.Header.Set("Authorization", "Bearer "+arvadostest.ManagementToken)
+	resp, err = http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	c.Check(resp.StatusCode, check.Equals, http.StatusOK)
+	type summary struct {
+		SampleCount string  `json:"sample_count"`
+		SampleSum   float64 `json:"sample_sum"`
+		Quantile    []struct {
+			Quantile float64
+			Value    float64
+		}
+	}
+	type counter struct {
+		Value int64
+	}
+	type gauge struct {
+		Value float64
+	}
+	var ents []struct {
+		Name   string
+		Help   string
+		Type   string
+		Metric []struct {
+			Label []struct {
+				Name  string
+				Value string
+			}
+			Counter counter
+			Gauge   gauge
+			Summary summary
+		}
+	}
+	json.NewDecoder(resp.Body).Decode(&ents)
+	summaries := map[string]summary{}
+	gauges := map[string]gauge{}
+	counters := map[string]counter{}
+	for _, e := range ents {
+		for _, m := range e.Metric {
+			labels := map[string]string{}
+			for _, lbl := range m.Label {
+				labels[lbl.Name] = lbl.Value
+			}
+			summaries[e.Name+"/"+labels["method"]+"/"+labels["code"]] = m.Summary
+			counters[e.Name+"/"+labels["method"]+"/"+labels["code"]] = m.Counter
+			gauges[e.Name+"/"+labels["method"]+"/"+labels["code"]] = m.Gauge
+		}
+	}
+	c.Check(summaries["request_duration_seconds/get/200"].SampleSum, check.Not(check.Equals), 0)
+	c.Check(summaries["request_duration_seconds/get/200"].SampleCount, check.Equals, "3")
+	c.Check(summaries["request_duration_seconds/get/404"].SampleCount, check.Equals, "1")
+	c.Check(summaries["time_to_status_seconds/get/404"].SampleCount, check.Equals, "1")
+	c.Check(counters["arvados_keepweb_collectioncache_requests//"].Value, check.Equals, int64(2))
+	c.Check(counters["arvados_keepweb_collectioncache_api_calls//"].Value, check.Equals, int64(1))
+	c.Check(counters["arvados_keepweb_collectioncache_hits//"].Value, check.Equals, int64(1))
+	c.Check(counters["arvados_keepweb_collectioncache_pdh_hits//"].Value, check.Equals, int64(1))
+	c.Check(counters["arvados_keepweb_collectioncache_permission_hits//"].Value, check.Equals, int64(1))
+	c.Check(gauges["arvados_keepweb_collectioncache_cached_manifests//"].Value, check.Equals, float64(1))
+	// FooCollection's cached manifest size is 45 ("1f4b0....+45") plus one 51-byte blob signature
+	c.Check(gauges["arvados_keepweb_collectioncache_cached_manifest_bytes//"].Value, check.Equals, float64(45+51))
+
+	// If the Host header indicates a collection, /metrics.json
+	// refers to a file in the collection -- the metrics handler
+	// must not intercept that route.
+	req, _ = http.NewRequest("GET", origin+"/metrics.json", nil)
+	req.Host = strings.Replace(arvadostest.FooCollectionPDH, "+", "-", -1) + ".example.com"
+	req.Header.Set("Authorization", "Bearer "+arvadostest.ActiveToken)
+	resp, err = http.DefaultClient.Do(req)
+	c.Assert(err, check.IsNil)
+	c.Check(resp.StatusCode, check.Equals, http.StatusNotFound)
+}
+
 func (s *IntegrationSuite) SetUpSuite(c *check.C) {
 	arvadostest.StartAPI()
 	arvadostest.StartKeep(2, true)
@@ -304,6 +415,7 @@ func (s *IntegrationSuite) SetUpSuite(c *check.C) {
 	kc.PutB([]byte("Hello world\n"))
 	kc.PutB([]byte("foo"))
 	kc.PutB([]byte("foobar"))
+	kc.PutB([]byte("waz"))
 }
 
 func (s *IntegrationSuite) TearDownSuite(c *check.C) {
@@ -319,6 +431,7 @@ func (s *IntegrationSuite) SetUpTest(c *check.C) {
 		Insecure: true,
 	}
 	cfg.Listen = "127.0.0.1:0"
+	cfg.ManagementToken = arvadostest.ManagementToken
 	s.testServer = &server{Config: cfg}
 	err := s.testServer.Start()
 	c.Assert(err, check.Equals, nil)