Merge branch '14670-new-java-sdk-docs' of git.curoverse.com:arvados into 14670-new...
[arvados.git] / services / keep-web / server_test.go
index ee585ad5b212af1f12f2bad3f162f8c1c11f3a2f..a9830bc1de4715d2cfdaa39049106bcf95cce779 100644 (file)
@@ -6,10 +6,12 @@ package main
 
 import (
        "crypto/md5"
+       "encoding/json"
        "fmt"
        "io"
        "io/ioutil"
        "net"
+       "net/http"
        "os"
        "os/exec"
        "strings"
@@ -264,9 +266,10 @@ func (s *IntegrationSuite) runCurl(c *check.C, token, host, uri string, args ...
        c.Log(fmt.Sprintf("curlArgs == %#v", curlArgs))
        cmd := exec.Command("curl", curlArgs...)
        stdout, err := cmd.StdoutPipe()
-       c.Assert(err, check.Equals, nil)
-       cmd.Stderr = cmd.Stdout
-       go cmd.Start()
+       c.Assert(err, check.IsNil)
+       cmd.Stderr = os.Stderr
+       err = cmd.Start()
+       c.Assert(err, check.IsNil)
        buf := make([]byte, 2<<27)
        n, err := io.ReadFull(stdout, buf)
        // Discard (but measure size of) anything past 128 MiB.
@@ -274,9 +277,9 @@ func (s *IntegrationSuite) runCurl(c *check.C, token, host, uri string, args ...
        if err == io.ErrUnexpectedEOF {
                buf = buf[:n]
        } else {
-               c.Assert(err, check.Equals, nil)
+               c.Assert(err, check.IsNil)
                discarded, err = io.Copy(ioutil.Discard, stdout)
-               c.Assert(err, check.Equals, nil)
+               c.Assert(err, check.IsNil)
        }
        err = cmd.Wait()
        // Without "-f", curl exits 0 as long as it gets a valid HTTP
@@ -294,6 +297,113 @@ 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)
@@ -306,6 +416,7 @@ 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) {
@@ -321,6 +432,7 @@ 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)