-package main
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+package keepstore
import (
"bytes"
+ "context"
+ "crypto/md5"
+ "encoding/json"
"errors"
+ "fmt"
"io"
"net/http"
- "testing"
+ "net/http/httptest"
+ "sort"
"time"
+
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/arvadostest"
+ "github.com/sirupsen/logrus"
+ . "gopkg.in/check.v1"
)
-func TestPullWorker(t *testing.T) {
- defer teardown()
+func (s *routerSuite) TestPullList_Execute(c *C) {
+ remotecluster := testCluster(c)
+ remotecluster.Volumes = map[string]arvados.Volume{
+ "zzzzz-nyw5e-rrrrrrrrrrrrrrr": {Replication: 1, Driver: "stub"},
+ }
+ remoterouter, cancel := testRouter(c, remotecluster, nil)
+ defer cancel()
+ remoteserver := httptest.NewServer(remoterouter)
+ defer remoteserver.Close()
- // Since keepstore does not come into picture in tests,
- // we need to explicitly start the goroutine in tests.
- go RunPullWorker(pullq.NextItem)
+ router, cancel := testRouter(c, s.cluster, nil)
+ defer cancel()
- data_manager_token = "DATA MANAGER TOKEN"
+ executePullList := func(pullList []PullListItem) string {
+ var logbuf bytes.Buffer
+ logger := logrus.New()
+ logger.Out = &logbuf
+ router.keepstore.logger = logger
- first_pull_list := []byte(`[
- {
- "locator":"locator1_to_verify_first_pull_list",
- "servers":[
- "server_1",
- "server_2"
- ]
- },
- {
- "locator":"locator2_to_verify_first_pull_list",
- "servers":[
- "server_3"
- ]
+ listjson, err := json.Marshal(pullList)
+ c.Assert(err, IsNil)
+ resp := call(router, "PUT", "http://example/pull", s.cluster.SystemRootToken, listjson, nil)
+ c.Check(resp.Code, Equals, http.StatusOK)
+ for {
+ router.puller.cond.L.Lock()
+ todolen := len(router.puller.todo)
+ router.puller.cond.L.Unlock()
+ if todolen == 0 && router.puller.inprogress.Load() == 0 {
+ break
+ }
+ time.Sleep(time.Millisecond)
}
- ]`)
+ return logbuf.String()
+ }
- second_pull_list := []byte(`[
- {
- "locator":"locator_to_verify_second_pull_list",
- "servers":[
- "server_1",
- "server_2"
- ]
- }
- ]`)
-
- type PullWorkerTestData struct {
- name string
- req RequestTester
- response_code int
- response_body string
- read_content string
- read_error bool
- put_error bool
+ newRemoteBlock := func(datastring string) string {
+ data := []byte(datastring)
+ hash := fmt.Sprintf("%x", md5.Sum(data))
+ locator := fmt.Sprintf("%s+%d", hash, len(data))
+ _, err := remoterouter.keepstore.BlockWrite(context.Background(), arvados.BlockWriteOptions{
+ Hash: hash,
+ Data: data,
+ })
+ c.Assert(err, IsNil)
+ return locator
}
- var testcases = []PullWorkerTestData{
- {
- "Pull request 1 from the data manager in worker",
- RequestTester{"/pull", data_manager_token, "PUT", first_pull_list},
- http.StatusOK,
- "Received 2 pull requests\n",
- "hello",
- false,
- false,
- },
- {
- "Pull request 2 from the data manager in worker",
- RequestTester{"/pull", data_manager_token, "PUT", second_pull_list},
- http.StatusOK,
- "Received 1 pull requests\n",
- "hola",
- false,
- false,
- },
- {
- "Pull request with error on get",
- RequestTester{"/pull", data_manager_token, "PUT", second_pull_list},
- http.StatusOK,
- "Received 1 pull requests\n",
- "unused",
- true,
- false,
- },
- {
- "Pull request with error on put",
- RequestTester{"/pull", data_manager_token, "PUT", second_pull_list},
- http.StatusOK,
- "Received 1 pull requests\n",
- "unused",
- false,
- true,
- },
+
+ mounts := append([]*mount(nil), router.keepstore.mountsR...)
+ sort.Slice(mounts, func(i, j int) bool { return mounts[i].UUID < mounts[j].UUID })
+ var vols []*stubVolume
+ for _, mount := range mounts {
+ vols = append(vols, mount.volume.(*stubVolume))
}
- for _, testData := range testcases {
- // Override GetContent to mock keepclient functionality
- GetContent = func(signedLocator string) (reader io.ReadCloser, contentLength int64, url string, err error) {
- if testData.read_error {
- return nil, 0, "", errors.New("Error getting data")
- } else {
- cb := &ClosingBuffer{bytes.NewBufferString("Hi!")}
- var rc io.ReadCloser
- rc = cb
- return rc, 3, "", nil
- }
- }
+ ctx := authContext(arvadostest.ActiveTokenV2)
- // Override PutContent to mock PutBlock functionality
- PutContent = func(content []byte, locator string) (err error) {
- if testData.put_error {
- return errors.New("Error putting data")
- } else {
- return nil
- }
- }
+ locator := newRemoteBlock("pull available block to unspecified volume")
+ executePullList([]PullListItem{{
+ Locator: locator,
+ Servers: []string{remoteserver.URL}}})
+ _, err := router.keepstore.BlockRead(ctx, arvados.BlockReadOptions{
+ Locator: router.keepstore.signLocator(arvadostest.ActiveTokenV2, locator),
+ WriteTo: io.Discard})
+ c.Check(err, IsNil)
- response := IssueRequest(&testData.req)
- ExpectStatusCode(t, testData.name, testData.response_code, response)
- ExpectBody(t, testData.name, testData.response_body, response)
+ locator0 := newRemoteBlock("pull available block to specified volume 0")
+ locator1 := newRemoteBlock("pull available block to specified volume 1")
+ executePullList([]PullListItem{
+ {
+ Locator: locator0,
+ Servers: []string{remoteserver.URL},
+ MountUUID: vols[0].params.UUID},
+ {
+ Locator: locator1,
+ Servers: []string{remoteserver.URL},
+ MountUUID: vols[1].params.UUID}})
+ c.Check(vols[0].data[locator0[:32]].data, NotNil)
+ c.Check(vols[1].data[locator1[:32]].data, NotNil)
- // give the channel a second to read and process all pull list entries
- time.Sleep(1000 * time.Millisecond)
+ locator = fooHash + "+3"
+ logs := executePullList([]PullListItem{{
+ Locator: locator,
+ Servers: []string{remoteserver.URL}}})
+ c.Check(logs, Matches, ".*error pulling data from remote servers.*Block not found.*locator=acbd.*\n")
- expectChannelEmpty(t, pullq.NextItem)
- }
-}
+ locator = fooHash + "+3"
+ logs = executePullList([]PullListItem{{
+ Locator: locator,
+ Servers: []string{"http://0.0.0.0:9/"}}})
+ c.Check(logs, Matches, ".*error pulling data from remote servers.*connection refused.*locator=acbd.*\n")
-type ClosingBuffer struct {
- *bytes.Buffer
-}
+ locator = newRemoteBlock("log error writing to local volume")
+ vols[0].blockWrite = func(context.Context, string, []byte) error { return errors.New("test error") }
+ vols[1].blockWrite = vols[0].blockWrite
+ logs = executePullList([]PullListItem{{
+ Locator: locator,
+ Servers: []string{remoteserver.URL}}})
+ c.Check(logs, Matches, ".*error writing data to zzzzz-nyw5e-.*error=\"test error\".*locator=.*\n")
+ vols[0].blockWrite = nil
+ vols[1].blockWrite = nil
+
+ locator = newRemoteBlock("log error when destination mount does not exist")
+ logs = executePullList([]PullListItem{{
+ Locator: locator,
+ Servers: []string{remoteserver.URL},
+ MountUUID: "bogus-mount-uuid"}})
+ c.Check(logs, Matches, ".*ignoring pull list entry for nonexistent mount bogus-mount-uuid.*locator=.*\n")
-func (cb *ClosingBuffer) Close() (err error) {
- return
+ logs = executePullList([]PullListItem{})
+ c.Logf("%s", logs)
}