Merge branch 'master' into 4717-read-only-keep-services-flag
[arvados.git] / services / keepproxy / keepproxy_test.go
index f6d163c1f19fe7449adb764f7d98f728438b3fa8..b70b9333688b47228e1a49af69129e40daa1412b 100644 (file)
@@ -1,11 +1,12 @@
 package main
 
 import (
-       "git.curoverse.com/arvados.git/sdk/go/keepclient"
-       "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
        "crypto/md5"
        "crypto/tls"
        "fmt"
+       "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
+       "git.curoverse.com/arvados.git/sdk/go/arvadostest"
+       "git.curoverse.com/arvados.git/sdk/go/keepclient"
        . "gopkg.in/check.v1"
        "io"
        "io/ioutil"
@@ -13,7 +14,7 @@ import (
        "net/http"
        "net/url"
        "os"
-       "os/exec"
+       "strings"
        "testing"
        "time"
 )
@@ -29,16 +30,13 @@ var _ = Suite(&ServerRequiredSuite{})
 // Tests that require the Keep server running
 type ServerRequiredSuite struct{}
 
-func pythonDir() string {
-       cwd, _ := os.Getwd()
-       return fmt.Sprintf("%s/../../sdk/python/tests", cwd)
-}
-
 // Wait (up to 1 second) for keepproxy to listen on a port. This
 // avoids a race condition where we hit a "connection refused" error
 // because we start testing the proxy too soon.
 func waitForListener() {
-       const (ms = 5)
+       const (
+               ms = 5
+       )
        for i := 0; listener == nil && i < 1000; i += ms {
                time.Sleep(ms * time.Millisecond)
        }
@@ -54,45 +52,17 @@ func closeListener() {
 }
 
 func (s *ServerRequiredSuite) SetUpSuite(c *C) {
-       cwd, _ := os.Getwd()
-       defer os.Chdir(cwd)
+       arvadostest.StartAPI()
+       arvadostest.StartKeep()
+}
 
-       os.Chdir(pythonDir())
-       {
-               cmd := exec.Command("python", "run_test_server.py", "start")
-               stderr, err := cmd.StderrPipe()
-               if err != nil {
-                       log.Fatalf("Setting up stderr pipe: %s", err)
-               }
-               go io.Copy(os.Stderr, stderr)
-               if err := cmd.Run(); err != nil {
-                       panic(fmt.Sprintf("'python run_test_server.py start' returned error %s", err))
-               }
-       }
-       {
-               cmd := exec.Command("python", "run_test_server.py", "start_keep")
-               stderr, err := cmd.StderrPipe()
-               if err != nil {
-                       log.Fatalf("Setting up stderr pipe: %s", err)
-               }
-               go io.Copy(os.Stderr, stderr)
-               if err := cmd.Run(); err != nil {
-                       panic(fmt.Sprintf("'python run_test_server.py start_keep' returned error %s", err))
-               }
-       }
-
-       os.Setenv("ARVADOS_API_HOST", "localhost:3000")
-       os.Setenv("ARVADOS_API_TOKEN", "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
-       os.Setenv("ARVADOS_API_HOST_INSECURE", "true")
+func (s *ServerRequiredSuite) SetUpTest(c *C) {
+       arvadostest.ResetEnv()
 }
 
 func (s *ServerRequiredSuite) TearDownSuite(c *C) {
-       cwd, _ := os.Getwd()
-       defer os.Chdir(cwd)
-
-       os.Chdir(pythonDir())
-       exec.Command("python", "run_test_server.py", "stop_keep").Run()
-       exec.Command("python", "run_test_server.py", "stop").Run()
+       arvadostest.StopKeep()
+       arvadostest.StopAPI()
 }
 
 func setupProxyService() {
@@ -133,23 +103,41 @@ func setupProxyService() {
        }
 }
 
-func runProxy(c *C, args []string, token string, port int) keepclient.KeepClient {
-       os.Args = append(args, fmt.Sprintf("-listen=:%v", port))
-       os.Setenv("ARVADOS_API_TOKEN", "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
-
-       go main()
-       time.Sleep(100 * time.Millisecond)
-
-       os.Setenv("ARVADOS_KEEP_PROXY", fmt.Sprintf("http://localhost:%v", port))
-       os.Setenv("ARVADOS_API_TOKEN", token)
+func runProxy(c *C, args []string, port int, bogusClientToken bool) keepclient.KeepClient {
+       if bogusClientToken {
+               os.Setenv("ARVADOS_API_TOKEN", "bogus-token")
+       }
        arv, err := arvadosclient.MakeArvadosClient()
-       kc, err := keepclient.MakeKeepClient(&arv)
+       c.Assert(err, Equals, nil)
+       kc := keepclient.KeepClient{
+               Arvados:       &arv,
+               Want_replicas: 2,
+               Using_proxy:   true,
+               Client:        &http.Client{},
+       }
+       locals := map[string]string{
+               "proxy": fmt.Sprintf("http://localhost:%v", port),
+       }
+       writables := map[string]string{
+               "proxy": fmt.Sprintf("http://localhost:%v", port),
+       }
+       kc.SetServiceRoots(locals, nil, writables)
        c.Check(kc.Using_proxy, Equals, true)
-       c.Check(len(kc.ServiceRoots()), Equals, 1)
-       c.Check(kc.ServiceRoots()[0], Equals, fmt.Sprintf("http://localhost:%v", port))
-       c.Check(err, Equals, nil)
-       os.Setenv("ARVADOS_KEEP_PROXY", "")
+       c.Check(len(kc.LocalRoots()), Equals, 1)
+       for _, root := range kc.LocalRoots() {
+               c.Check(root, Equals, fmt.Sprintf("http://localhost:%v", port))
+       }
        log.Print("keepclient created")
+       if bogusClientToken {
+               arvadostest.ResetEnv()
+       }
+
+       {
+               os.Args = append(args, fmt.Sprintf("-listen=:%v", port))
+               listener = nil
+               go main()
+       }
+
        return kc
 }
 
@@ -157,7 +145,7 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
        log.Print("TestPutAndGet start")
 
        os.Args = []string{"keepproxy", "-listen=:29950"}
-       os.Setenv("ARVADOS_API_TOKEN", "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
+       listener = nil
        go main()
        time.Sleep(100 * time.Millisecond)
 
@@ -165,14 +153,16 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 
        os.Setenv("ARVADOS_EXTERNAL_CLIENT", "true")
        arv, err := arvadosclient.MakeArvadosClient()
+       c.Assert(err, Equals, nil)
        kc, err := keepclient.MakeKeepClient(&arv)
+       c.Assert(err, Equals, nil)
        c.Check(kc.Arvados.External, Equals, true)
        c.Check(kc.Using_proxy, Equals, true)
-       c.Check(len(kc.ServiceRoots()), Equals, 1)
-       c.Check(kc.ServiceRoots()[0], Equals, "http://localhost:29950")
-       c.Check(err, Equals, nil)
+       c.Check(len(kc.LocalRoots()), Equals, 1)
+       for _, root := range kc.LocalRoots() {
+               c.Check(root, Equals, "http://localhost:29950")
+       }
        os.Setenv("ARVADOS_EXTERNAL_CLIENT", "")
-       log.Print("keepclient created")
 
        waitForListener()
        defer closeListener()
@@ -183,9 +173,25 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
        {
                _, _, err := kc.Ask(hash)
                c.Check(err, Equals, keepclient.BlockNotFound)
-               log.Print("Ask 1")
+               log.Print("Finished Ask (expected BlockNotFound)")
        }
 
+       {
+               reader, _, _, err := kc.Get(hash)
+               c.Check(reader, Equals, nil)
+               c.Check(err, Equals, keepclient.BlockNotFound)
+               log.Print("Finished Get (expected BlockNotFound)")
+       }
+
+       // Note in bug #5309 among other errors keepproxy would set
+       // Content-Length incorrectly on the 404 BlockNotFound response, this
+       // would result in a protocol violation that would prevent reuse of the
+       // connection, which would manifest by the next attempt to use the
+       // connection (in this case the PutB below) failing.  So to test for
+       // that bug it's necessary to trigger an error response (such as
+       // BlockNotFound) and then do something else with the same httpClient
+       // connection.
+
        {
                var rep int
                var err error
@@ -193,14 +199,14 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
                c.Check(hash2, Matches, fmt.Sprintf(`^%s\+3(\+.+)?$`, hash))
                c.Check(rep, Equals, 2)
                c.Check(err, Equals, nil)
-               log.Print("PutB")
+               log.Print("Finished PutB (expected success)")
        }
 
        {
                blocklen, _, err := kc.Ask(hash2)
                c.Assert(err, Equals, nil)
                c.Check(blocklen, Equals, int64(3))
-               log.Print("Ask 2")
+               log.Print("Finished Ask (expected success)")
        }
 
        {
@@ -209,21 +215,38 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
                all, err := ioutil.ReadAll(reader)
                c.Check(all, DeepEquals, []byte("foo"))
                c.Check(blocklen, Equals, int64(3))
-               log.Print("Get")
+               log.Print("Finished Get (expected success)")
+       }
+
+       {
+               var rep int
+               var err error
+               hash2, rep, err = kc.PutB([]byte(""))
+               c.Check(hash2, Matches, `^d41d8cd98f00b204e9800998ecf8427e\+0(\+.+)?$`)
+               c.Check(rep, Equals, 2)
+               c.Check(err, Equals, nil)
+               log.Print("Finished PutB zero block")
+       }
+
+       {
+               reader, blocklen, _, err := kc.Get("d41d8cd98f00b204e9800998ecf8427e")
+               c.Assert(err, Equals, nil)
+               all, err := ioutil.ReadAll(reader)
+               c.Check(all, DeepEquals, []byte(""))
+               c.Check(blocklen, Equals, int64(0))
+               log.Print("Finished Get zero block")
        }
 
        log.Print("TestPutAndGet done")
 }
 
 func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
-       log.Print("TestPutAndGet start")
+       log.Print("TestPutAskGetForbidden start")
 
-       kc := runProxy(c, []string{"keepproxy"}, "123abc", 29951)
+       kc := runProxy(c, []string{"keepproxy"}, 29951, true)
        waitForListener()
        defer closeListener()
 
-       log.Print("keepclient created")
-
        hash := fmt.Sprintf("%x", md5.Sum([]byte("bar")))
 
        {
@@ -254,13 +277,13 @@ func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
                log.Print("Get")
        }
 
-       log.Print("TestPutAndGetForbidden done")
+       log.Print("TestPutAskGetForbidden done")
 }
 
 func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
        log.Print("TestGetDisabled start")
 
-       kc := runProxy(c, []string{"keepproxy", "-no-get"}, "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h", 29952)
+       kc := runProxy(c, []string{"keepproxy", "-no-get"}, 29952, false)
        waitForListener()
        defer closeListener()
 
@@ -300,7 +323,7 @@ func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
 func (s *ServerRequiredSuite) TestPutDisabled(c *C) {
        log.Print("TestPutDisabled start")
 
-       kc := runProxy(c, []string{"keepproxy", "-no-put"}, "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h", 29953)
+       kc := runProxy(c, []string{"keepproxy", "-no-put"}, 29953, false)
        waitForListener()
        defer closeListener()
 
@@ -314,3 +337,72 @@ func (s *ServerRequiredSuite) TestPutDisabled(c *C) {
 
        log.Print("TestPutDisabled done")
 }
+
+func (s *ServerRequiredSuite) TestCorsHeaders(c *C) {
+       runProxy(c, []string{"keepproxy"}, 29954, false)
+       waitForListener()
+       defer closeListener()
+
+       {
+               client := http.Client{}
+               req, err := http.NewRequest("OPTIONS",
+                       fmt.Sprintf("http://localhost:29954/%x+3",
+                               md5.Sum([]byte("foo"))),
+                       nil)
+               req.Header.Add("Access-Control-Request-Method", "PUT")
+               req.Header.Add("Access-Control-Request-Headers", "Authorization, X-Keep-Desired-Replicas")
+               resp, err := client.Do(req)
+               c.Check(err, Equals, nil)
+               c.Check(resp.StatusCode, Equals, 200)
+               body, err := ioutil.ReadAll(resp.Body)
+               c.Check(string(body), Equals, "")
+               c.Check(resp.Header.Get("Access-Control-Allow-Methods"), Equals, "GET, HEAD, POST, PUT, OPTIONS")
+               c.Check(resp.Header.Get("Access-Control-Allow-Origin"), Equals, "*")
+       }
+
+       {
+               resp, err := http.Get(
+                       fmt.Sprintf("http://localhost:29954/%x+3",
+                               md5.Sum([]byte("foo"))))
+               c.Check(err, Equals, nil)
+               c.Check(resp.Header.Get("Access-Control-Allow-Headers"), Equals, "Authorization, Content-Length, Content-Type, X-Keep-Desired-Replicas")
+               c.Check(resp.Header.Get("Access-Control-Allow-Origin"), Equals, "*")
+       }
+}
+
+func (s *ServerRequiredSuite) TestPostWithoutHash(c *C) {
+       runProxy(c, []string{"keepproxy"}, 29955, false)
+       waitForListener()
+       defer closeListener()
+
+       {
+               client := http.Client{}
+               req, err := http.NewRequest("POST",
+                       "http://localhost:29955/",
+                       strings.NewReader("qux"))
+               req.Header.Add("Authorization", "OAuth2 4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
+               req.Header.Add("Content-Type", "application/octet-stream")
+               resp, err := client.Do(req)
+               c.Check(err, Equals, nil)
+               body, err := ioutil.ReadAll(resp.Body)
+               c.Check(err, Equals, nil)
+               c.Check(string(body), Equals,
+                       fmt.Sprintf("%x+%d", md5.Sum([]byte("qux")), 3))
+       }
+}
+
+func (s *ServerRequiredSuite) TestStripHint(c *C) {
+       c.Check(removeHint.ReplaceAllString("http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73+K@zzzzz", "$1"),
+               Equals,
+               "http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73")
+       c.Check(removeHint.ReplaceAllString("http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+K@zzzzz+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73", "$1"),
+               Equals,
+               "http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73")
+       c.Check(removeHint.ReplaceAllString("http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73+K@zzzzz-zzzzz-zzzzzzzzzzzzzzz", "$1"),
+               Equals,
+               "http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73+K@zzzzz-zzzzz-zzzzzzzzzzzzzzz")
+       c.Check(removeHint.ReplaceAllString("http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+K@zzzzz-zzzzz-zzzzzzzzzzzzzzz+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73", "$1"),
+               Equals,
+               "http://keep.zzzzz.arvadosapi.com:25107/2228819a18d3727630fa30c81853d23f+67108864+K@zzzzz-zzzzz-zzzzzzzzzzzzzzz+A37b6ab198qqqq28d903b975266b23ee711e1852c@55635f73")
+
+}