19362: Move non-S3 collection-addressed reqs to sitefs code path.
[arvados.git] / services / keep-web / cache_test.go
index 6b8f427171ef7813f8453c0b23ed968229295fb4..010e29a0b876105d49756d736adefd316878a12e 100644 (file)
@@ -6,17 +6,21 @@ package keepweb
 
 import (
        "bytes"
+       "net/http"
+       "net/http/httptest"
+       "regexp"
+       "strings"
+       "time"
 
        "git.arvados.org/arvados.git/sdk/go/arvados"
-       "git.arvados.org/arvados.git/sdk/go/arvadosclient"
        "git.arvados.org/arvados.git/sdk/go/arvadostest"
-       "git.arvados.org/arvados.git/sdk/go/ctxlog"
-       "github.com/prometheus/client_golang/prometheus"
        "github.com/prometheus/common/expfmt"
        "gopkg.in/check.v1"
 )
 
-func (s *UnitSuite) checkCacheMetrics(c *check.C, reg *prometheus.Registry, regs ...string) {
+func (s *IntegrationSuite) checkCacheMetrics(c *check.C, regs ...string) {
+       s.handler.Cache.updateGauges()
+       reg := s.handler.Cache.registry
        mfs, err := reg.Gather()
        c.Check(err, check.IsNil)
        buf := &bytes.Buffer{}
@@ -25,131 +29,139 @@ func (s *UnitSuite) checkCacheMetrics(c *check.C, reg *prometheus.Registry, regs
                c.Check(enc.Encode(mf), check.IsNil)
        }
        mm := buf.String()
+       // Remove comments to make the "value vs. regexp" failure
+       // output easier to read.
+       mm = regexp.MustCompile(`(?m)^#.*\n`).ReplaceAllString(mm, "")
        for _, reg := range regs {
-               c.Check(mm, check.Matches, `(?ms).*collectioncache_`+reg+`\n.*`)
+               c.Check(mm, check.Matches, `(?ms).*keepweb_sessions_`+reg+`\n.*`)
        }
 }
 
-func (s *UnitSuite) TestCache(c *check.C) {
-       arv, err := arvadosclient.MakeArvadosClient()
-       c.Assert(err, check.Equals, nil)
-
-       cache := &cache{
-               cluster:  s.cluster,
-               logger:   ctxlog.TestLogger(c),
-               registry: prometheus.NewRegistry(),
-       }
-
+func (s *IntegrationSuite) TestCache(c *check.C) {
        // Hit the same collection 5 times using the same token. Only
        // the first req should cause an API call; the next 4 should
        // hit all caches.
-       arv.ApiToken = arvadostest.AdminToken
-       var coll *arvados.Collection
+       u := mustParseURL("http://" + arvadostest.FooCollection + ".keep-web.example/foo")
+       req := &http.Request{
+               Method:     "GET",
+               Host:       u.Host,
+               URL:        u,
+               RequestURI: u.RequestURI(),
+               Header: http.Header{
+                       "Authorization": {"Bearer " + arvadostest.ActiveToken},
+               },
+       }
        for i := 0; i < 5; i++ {
-               coll, err = cache.Get(arv, arvadostest.FooCollection, false)
-               c.Check(err, check.Equals, nil)
-               c.Assert(coll, check.NotNil)
-               c.Check(coll.PortableDataHash, check.Equals, arvadostest.FooCollectionPDH)
-               c.Check(coll.ManifestText[:2], check.Equals, ". ")
+               resp := httptest.NewRecorder()
+               s.handler.ServeHTTP(resp, req)
+               c.Check(resp.Code, check.Equals, http.StatusOK)
        }
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 5",
+       s.checkCacheMetrics(c,
                "hits 4",
-               "pdh_hits 4",
-               "api_calls 1")
-
-       // Hit the same collection 2 more times, this time requesting
-       // it by PDH and using a different token. The first req should
-       // miss the permission cache and fetch the new manifest; the
-       // second should hit the Collection cache and skip the API
-       // lookup.
-       arv.ApiToken = arvadostest.ActiveToken
-
-       coll2, err := cache.Get(arv, arvadostest.FooCollectionPDH, false)
-       c.Check(err, check.Equals, nil)
-       c.Assert(coll2, check.NotNil)
-       c.Check(coll2.PortableDataHash, check.Equals, arvadostest.FooCollectionPDH)
-       c.Check(coll2.ManifestText[:2], check.Equals, ". ")
-       c.Check(coll2.ManifestText, check.Not(check.Equals), coll.ManifestText)
-
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 6",
-               "hits 4",
-               "pdh_hits 4",
-               "api_calls 2")
-
-       coll2, err = cache.Get(arv, arvadostest.FooCollectionPDH, false)
-       c.Check(err, check.Equals, nil)
-       c.Assert(coll2, check.NotNil)
-       c.Check(coll2.PortableDataHash, check.Equals, arvadostest.FooCollectionPDH)
-       c.Check(coll2.ManifestText[:2], check.Equals, ". ")
-
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 7",
-               "hits 5",
-               "pdh_hits 4",
-               "api_calls 2")
-
-       // Alternating between two collections N times should produce
-       // only 2 more API calls.
-       arv.ApiToken = arvadostest.AdminToken
-       for i := 0; i < 20; i++ {
-               var target string
-               if i%2 == 0 {
-                       target = arvadostest.HelloWorldCollection
-               } else {
-                       target = arvadostest.FooBarDirCollection
-               }
-               _, err := cache.Get(arv, target, false)
-               c.Check(err, check.Equals, nil)
+               "misses 1",
+               "active 1")
+
+       // Hit a shared collection 3 times using PDH, using a
+       // different token.
+       u2 := mustParseURL("http://" + strings.Replace(arvadostest.BarFileCollectionPDH, "+", "-", 1) + ".keep-web.example/bar")
+       req2 := &http.Request{
+               Method:     "GET",
+               Host:       u2.Host,
+               URL:        u2,
+               RequestURI: u2.RequestURI(),
+               Header: http.Header{
+                       "Authorization": {"Bearer " + arvadostest.SpectatorToken},
+               },
        }
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 27",
-               "hits 23",
-               "pdh_hits 22",
-               "api_calls 4")
-}
-
-func (s *UnitSuite) TestCacheForceReloadByPDH(c *check.C) {
-       arv, err := arvadosclient.MakeArvadosClient()
-       c.Assert(err, check.Equals, nil)
-
-       cache := &cache{
-               cluster:  s.cluster,
-               logger:   ctxlog.TestLogger(c),
-               registry: prometheus.NewRegistry(),
+       for i := 0; i < 3; i++ {
+               resp2 := httptest.NewRecorder()
+               s.handler.ServeHTTP(resp2, req2)
+               c.Check(resp2.Code, check.Equals, http.StatusOK)
        }
-
-       for _, forceReload := range []bool{false, true, false, true} {
-               _, err := cache.Get(arv, arvadostest.FooCollectionPDH, forceReload)
-               c.Check(err, check.Equals, nil)
+       s.checkCacheMetrics(c,
+               "hits 6",
+               "misses 2",
+               "active 2")
+
+       // Alternating between two collections/tokens N times should
+       // use the existing sessions.
+       for i := 0; i < 7; i++ {
+               resp := httptest.NewRecorder()
+               s.handler.ServeHTTP(resp, req)
+               c.Check(resp.Code, check.Equals, http.StatusOK)
+
+               resp2 := httptest.NewRecorder()
+               s.handler.ServeHTTP(resp2, req2)
+               c.Check(resp2.Code, check.Equals, http.StatusOK)
        }
-
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 4",
-               "hits 3",
-               "pdh_hits 0",
-               "api_calls 1")
+       s.checkCacheMetrics(c,
+               "hits 20",
+               "misses 2",
+               "active 2")
 }
 
-func (s *UnitSuite) TestCacheForceReloadByUUID(c *check.C) {
-       arv, err := arvadosclient.MakeArvadosClient()
-       c.Assert(err, check.Equals, nil)
-
-       cache := &cache{
-               cluster:  s.cluster,
-               logger:   ctxlog.TestLogger(c),
-               registry: prometheus.NewRegistry(),
-       }
-
-       for _, forceReload := range []bool{false, true, false, true} {
-               _, err := cache.Get(arv, arvadostest.FooCollection, forceReload)
-               c.Check(err, check.Equals, nil)
-       }
+func (s *IntegrationSuite) TestForceReloadPDH(c *check.C) {
+       filename := strings.Replace(time.Now().Format(time.RFC3339Nano), ":", ".", -1)
+       manifest := ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:" + filename + "\n"
+       pdh := arvados.PortableDataHash(manifest)
+       client := arvados.NewClientFromEnv()
+       client.AuthToken = arvadostest.ActiveToken
+
+       _, resp := s.do("GET", "http://"+strings.Replace(pdh, "+", "-", 1)+".keep-web.example/"+filename, arvadostest.ActiveToken, nil)
+       c.Check(resp.Code, check.Equals, http.StatusNotFound)
+
+       var coll arvados.Collection
+       err := client.RequestAndDecode(&coll, "POST", "arvados/v1/collections", nil, map[string]interface{}{
+               "collection": map[string]string{
+                       "manifest_text": manifest,
+               },
+       })
+       c.Assert(err, check.IsNil)
+       defer client.RequestAndDecode(nil, "DELETE", "arvados/v1/collections/"+coll.UUID, nil, nil)
+       c.Assert(coll.PortableDataHash, check.Equals, pdh)
+
+       _, resp = s.do("GET", "http://"+strings.Replace(pdh, "+", "-", 1)+".keep-web.example/"+filename, "", http.Header{
+               "Authorization": {"Bearer " + arvadostest.ActiveToken},
+               "Cache-Control": {"must-revalidate"},
+       })
+       c.Check(resp.Code, check.Equals, http.StatusOK)
+
+       _, resp = s.do("GET", "http://"+strings.Replace(pdh, "+", "-", 1)+".keep-web.example/missingfile", "", http.Header{
+               "Authorization": {"Bearer " + arvadostest.ActiveToken},
+               "Cache-Control": {"must-revalidate"},
+       })
+       c.Check(resp.Code, check.Equals, http.StatusNotFound)
+}
 
-       s.checkCacheMetrics(c, cache.registry,
-               "requests 4",
-               "hits 3",
-               "pdh_hits 3",
-               "api_calls 3")
+func (s *IntegrationSuite) TestForceReloadUUID(c *check.C) {
+       client := arvados.NewClientFromEnv()
+       client.AuthToken = arvadostest.ActiveToken
+       var coll arvados.Collection
+       err := client.RequestAndDecode(&coll, "POST", "arvados/v1/collections", nil, map[string]interface{}{
+               "collection": map[string]string{
+                       "manifest_text": ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:oldfile\n",
+               },
+       })
+       c.Assert(err, check.IsNil)
+       defer client.RequestAndDecode(nil, "DELETE", "arvados/v1/collections/"+coll.UUID, nil, nil)
+
+       _, resp := s.do("GET", "http://"+coll.UUID+".keep-web.example/newfile", arvadostest.ActiveToken, nil)
+       c.Check(resp.Code, check.Equals, http.StatusNotFound)
+       _, resp = s.do("GET", "http://"+coll.UUID+".keep-web.example/oldfile", arvadostest.ActiveToken, nil)
+       c.Check(resp.Code, check.Equals, http.StatusOK)
+       _, resp = s.do("GET", "http://"+coll.UUID+".keep-web.example/newfile", arvadostest.ActiveToken, nil)
+       c.Check(resp.Code, check.Equals, http.StatusNotFound)
+       err = client.RequestAndDecode(&coll, "PATCH", "arvados/v1/collections/"+coll.UUID, nil, map[string]interface{}{
+               "collection": map[string]string{
+                       "manifest_text": ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:oldfile 0:0:newfile\n",
+               },
+       })
+       c.Assert(err, check.IsNil)
+       _, resp = s.do("GET", "http://"+coll.UUID+".keep-web.example/newfile", arvadostest.ActiveToken, nil)
+       c.Check(resp.Code, check.Equals, http.StatusNotFound)
+       _, resp = s.do("GET", "http://"+coll.UUID+".keep-web.example/newfile", "", http.Header{
+               "Authorization": {"Bearer " + arvadostest.ActiveToken},
+               "Cache-Control": {"must-revalidate"},
+       })
+       c.Check(resp.Code, check.Equals, http.StatusOK)
 }