1985 lines
45 KiB
Go
1985 lines
45 KiB
Go
package client
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import (
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"math"
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"net"
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"os"
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"path/filepath"
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"reflect"
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"runtime"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/hashicorp/go-msgpack/codec"
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"github.com/hashicorp/nomad/acl"
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"github.com/hashicorp/nomad/client/allocdir"
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"github.com/hashicorp/nomad/client/config"
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sframer "github.com/hashicorp/nomad/client/lib/streamframer"
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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/require"
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)
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// tempAllocDir returns a new alloc dir that is rooted in a temp dir. The caller
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// should destroy the temp dir.
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func tempAllocDir(t testing.TB) *allocdir.AllocDir {
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dir, err := ioutil.TempDir("", "nomadtest")
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if err != nil {
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t.Fatalf("TempDir() failed: %v", err)
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}
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if err := os.Chmod(dir, 0777); err != nil {
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t.Fatalf("failed to chmod dir: %v", err)
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}
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return allocdir.NewAllocDir(testlog.HCLogger(t), dir)
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}
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type nopWriteCloser struct {
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io.Writer
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}
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func (n nopWriteCloser) Close() error {
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return nil
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}
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func TestFS_Stat_NoAlloc(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a client
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c, cleanup := TestClient(t, nil)
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defer cleanup()
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// Make the request with bad allocation id
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req := &cstructs.FsStatRequest{
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AllocID: uuid.Generate(),
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Path: "foo",
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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var resp cstructs.FsStatResponse
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err := c.ClientRPC("FileSystem.Stat", req, &resp)
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require.NotNil(err)
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require.True(structs.IsErrUnknownAllocation(err))
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}
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func TestFS_Stat(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a server and client
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s, cleanupS := nomad.TestServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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c, cleanupC := TestClient(t, func(c *config.Config) {
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanupC()
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// Create and add an alloc
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "500ms",
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}
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// Wait for alloc to be running
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alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
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// Make the request
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req := &cstructs.FsStatRequest{
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AllocID: alloc.ID,
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Path: "/",
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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var resp cstructs.FsStatResponse
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err := c.ClientRPC("FileSystem.Stat", req, &resp)
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require.Nil(err)
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require.NotNil(resp.Info)
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require.True(resp.Info.IsDir)
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}
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func TestFS_Stat_ACL(t *testing.T) {
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t.Parallel()
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// Start a server
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s, root, cleanupS := nomad.TestACLServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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client, cleanup := TestClient(t, func(c *config.Config) {
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c.ACLEnabled = true
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanup()
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// Create a bad token
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policyBad := mock.NamespacePolicy("other", "", []string{acl.NamespaceCapabilityDeny})
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tokenBad := mock.CreatePolicyAndToken(t, s.State(), 1005, "invalid", policyBad)
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policyGood := mock.NamespacePolicy(structs.DefaultNamespace, "",
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[]string{acl.NamespaceCapabilityReadLogs, acl.NamespaceCapabilityReadFS})
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tokenGood := mock.CreatePolicyAndToken(t, s.State(), 1009, "valid2", policyGood)
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "20s",
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}
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// Wait for client to be running job
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alloc := testutil.WaitForRunningWithToken(t, s.RPC, job, root.SecretID)[0]
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cases := []struct {
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Name string
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Token string
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ExpectedError string
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}{
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{
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Name: "bad token",
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Token: tokenBad.SecretID,
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ExpectedError: structs.ErrPermissionDenied.Error(),
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},
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{
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Name: "good token",
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Token: tokenGood.SecretID,
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},
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{
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Name: "root token",
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Token: root.SecretID,
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},
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}
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for _, c := range cases {
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t.Run(c.Name, func(t *testing.T) {
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req := &cstructs.FsStatRequest{
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AllocID: alloc.ID,
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Path: "/",
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QueryOptions: structs.QueryOptions{
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Region: "global",
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AuthToken: c.Token,
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Namespace: structs.DefaultNamespace,
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},
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}
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var resp cstructs.FsStatResponse
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err := client.ClientRPC("FileSystem.Stat", req, &resp)
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if c.ExpectedError == "" {
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require.NoError(t, err)
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} else {
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require.NotNil(t, err)
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require.Contains(t, err.Error(), c.ExpectedError)
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}
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})
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}
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}
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func TestFS_List_NoAlloc(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a client
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c, cleanup := TestClient(t, nil)
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defer cleanup()
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// Make the request with bad allocation id
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req := &cstructs.FsListRequest{
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AllocID: uuid.Generate(),
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Path: "foo",
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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var resp cstructs.FsListResponse
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err := c.ClientRPC("FileSystem.List", req, &resp)
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require.NotNil(err)
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require.True(structs.IsErrUnknownAllocation(err))
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}
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func TestFS_List(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a server and client
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s, cleanupS := nomad.TestServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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c, cleanupC := TestClient(t, func(c *config.Config) {
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanupC()
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// Create and add an alloc
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "500ms",
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}
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// Wait for alloc to be running
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alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
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// Make the request
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req := &cstructs.FsListRequest{
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AllocID: alloc.ID,
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Path: "/",
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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var resp cstructs.FsListResponse
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err := c.ClientRPC("FileSystem.List", req, &resp)
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require.Nil(err)
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require.NotEmpty(resp.Files)
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require.True(resp.Files[0].IsDir)
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}
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func TestFS_List_ACL(t *testing.T) {
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t.Parallel()
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// Start a server
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s, root, cleanupS := nomad.TestACLServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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client, cleanup := TestClient(t, func(c *config.Config) {
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c.ACLEnabled = true
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanup()
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// Create a bad token
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policyBad := mock.NamespacePolicy("other", "", []string{acl.NamespaceCapabilityDeny})
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tokenBad := mock.CreatePolicyAndToken(t, s.State(), 1005, "invalid", policyBad)
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policyGood := mock.NamespacePolicy(structs.DefaultNamespace, "",
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[]string{acl.NamespaceCapabilityReadLogs, acl.NamespaceCapabilityReadFS})
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tokenGood := mock.CreatePolicyAndToken(t, s.State(), 1009, "valid2", policyGood)
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "20s",
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}
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// Wait for client to be running job
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alloc := testutil.WaitForRunningWithToken(t, s.RPC, job, root.SecretID)[0]
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cases := []struct {
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Name string
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Token string
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ExpectedError string
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}{
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{
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Name: "bad token",
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Token: tokenBad.SecretID,
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ExpectedError: structs.ErrPermissionDenied.Error(),
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},
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{
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Name: "good token",
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Token: tokenGood.SecretID,
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},
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{
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Name: "root token",
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Token: root.SecretID,
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},
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}
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for _, c := range cases {
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t.Run(c.Name, func(t *testing.T) {
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// Make the request with bad allocation id
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req := &cstructs.FsListRequest{
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AllocID: alloc.ID,
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Path: "/",
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QueryOptions: structs.QueryOptions{
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Region: "global",
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AuthToken: c.Token,
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Namespace: structs.DefaultNamespace,
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},
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}
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var resp cstructs.FsListResponse
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err := client.ClientRPC("FileSystem.List", req, &resp)
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if c.ExpectedError == "" {
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require.NoError(t, err)
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} else {
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require.EqualError(t, err, c.ExpectedError)
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}
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})
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}
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}
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func TestFS_Stream_NoAlloc(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a client
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c, cleanup := TestClient(t, nil)
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defer cleanup()
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// Make the request with bad allocation id
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req := &cstructs.FsStreamRequest{
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AllocID: uuid.Generate(),
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Path: "foo",
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Origin: "start",
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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// Get the handler
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handler, err := c.StreamingRpcHandler("FileSystem.Stream")
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require.Nil(err)
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// Create a pipe
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p1, p2 := net.Pipe()
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defer p1.Close()
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defer p2.Close()
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errCh := make(chan error)
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streamMsg := make(chan *cstructs.StreamErrWrapper)
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// Start the handler
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go handler(p2)
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// Start the decoder
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go func() {
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decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
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for {
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var msg cstructs.StreamErrWrapper
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if err := decoder.Decode(&msg); err != nil {
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if err == io.EOF || strings.Contains(err.Error(), "closed") {
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return
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}
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errCh <- fmt.Errorf("error decoding: %v", err)
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}
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streamMsg <- &msg
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}
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}()
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// Send the request
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encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
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require.Nil(encoder.Encode(req))
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timeout := time.After(3 * time.Second)
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OUTER:
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for {
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select {
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case <-timeout:
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t.Fatal("timeout")
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case err := <-errCh:
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t.Fatal(err)
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case msg := <-streamMsg:
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t.Logf("Got msg %+v", msg)
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if msg.Error == nil {
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continue
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}
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if structs.IsErrUnknownAllocation(msg.Error) {
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break OUTER
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} else {
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t.Fatalf("bad error: %v", err)
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}
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}
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}
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}
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func TestFS_Stream_ACL(t *testing.T) {
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t.Parallel()
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// Start a server
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s, root, cleanupS := nomad.TestACLServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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client, cleanup := TestClient(t, func(c *config.Config) {
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c.ACLEnabled = true
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanup()
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// Create a bad token
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policyBad := mock.NamespacePolicy("other", "", []string{acl.NamespaceCapabilityReadFS})
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tokenBad := mock.CreatePolicyAndToken(t, s.State(), 1005, "invalid", policyBad)
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policyGood := mock.NamespacePolicy(structs.DefaultNamespace, "",
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[]string{acl.NamespaceCapabilityReadLogs, acl.NamespaceCapabilityReadFS})
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tokenGood := mock.CreatePolicyAndToken(t, s.State(), 1009, "valid2", policyGood)
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "20s",
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}
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// Wait for client to be running job
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alloc := testutil.WaitForRunningWithToken(t, s.RPC, job, root.SecretID)[0]
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cases := []struct {
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Name string
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Token string
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ExpectedError string
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}{
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{
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Name: "bad token",
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Token: tokenBad.SecretID,
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ExpectedError: structs.ErrPermissionDenied.Error(),
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},
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{
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Name: "good token",
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Token: tokenGood.SecretID,
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},
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{
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Name: "root token",
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Token: root.SecretID,
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},
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}
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for _, c := range cases {
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t.Run(c.Name, func(t *testing.T) {
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// Make the request with bad allocation id
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req := &cstructs.FsStreamRequest{
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AllocID: alloc.ID,
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Path: "foo",
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Origin: "start",
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QueryOptions: structs.QueryOptions{
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Namespace: structs.DefaultNamespace,
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Region: "global",
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AuthToken: c.Token,
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},
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}
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// Get the handler
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handler, err := client.StreamingRpcHandler("FileSystem.Stream")
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require.Nil(t, err)
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// Create a pipe
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p1, p2 := net.Pipe()
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defer p1.Close()
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defer p2.Close()
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errCh := make(chan error)
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streamMsg := make(chan *cstructs.StreamErrWrapper)
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// Start the handler
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go handler(p2)
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// Start the decoder
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go func() {
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decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
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for {
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var msg cstructs.StreamErrWrapper
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if err := decoder.Decode(&msg); err != nil {
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errCh <- err
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return
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}
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streamMsg <- &msg
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}
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}()
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// Send the request
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encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
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require.NoError(t, encoder.Encode(req))
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timeout := time.After(5 * time.Second)
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OUTER:
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for {
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select {
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case <-timeout:
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t.Fatal("timeout")
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case err := <-errCh:
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eof := err == io.EOF || strings.Contains(err.Error(), "closed")
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if c.ExpectedError == "" && eof {
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// No error was expected!
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return
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}
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t.Fatal(err)
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case msg := <-streamMsg:
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if msg.Error == nil {
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continue
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}
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if strings.Contains(msg.Error.Error(), c.ExpectedError) {
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break OUTER
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} else {
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t.Fatalf("Bad error: %v", msg.Error)
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}
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}
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}
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})
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}
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}
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func TestFS_Stream(t *testing.T) {
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t.Parallel()
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require := require.New(t)
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// Start a server and client
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s, cleanupS := nomad.TestServer(t, nil)
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defer cleanupS()
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testutil.WaitForLeader(t, s.RPC)
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c, cleanupC := TestClient(t, func(c *config.Config) {
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c.Servers = []string{s.GetConfig().RPCAddr.String()}
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})
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defer cleanupC()
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expected := "Hello from the other side"
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job := mock.BatchJob()
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job.TaskGroups[0].Count = 1
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job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
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"run_for": "2s",
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"stdout_string": expected,
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}
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// Wait for alloc to be running
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alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
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|
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// Make the request
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req := &cstructs.FsStreamRequest{
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AllocID: alloc.ID,
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Path: "alloc/logs/web.stdout.0",
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PlainText: true,
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QueryOptions: structs.QueryOptions{Region: "global"},
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}
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// Get the handler
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handler, err := c.StreamingRpcHandler("FileSystem.Stream")
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require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
// Wrap the pipe so we can check it is closed
|
|
pipeChecker := &ReadWriteCloseChecker{ReadWriteCloser: p2}
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(pipeChecker)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(3 * time.Second)
|
|
received := ""
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error != nil {
|
|
t.Fatalf("Got error: %v", msg.Error.Error())
|
|
}
|
|
|
|
// Add the payload
|
|
received += string(msg.Payload)
|
|
if received == expected {
|
|
break OUTER
|
|
}
|
|
}
|
|
}
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
pipeChecker.l.Lock()
|
|
defer pipeChecker.l.Unlock()
|
|
|
|
return pipeChecker.Closed, nil
|
|
}, func(err error) {
|
|
t.Fatal("Pipe not closed")
|
|
})
|
|
}
|
|
|
|
type ReadWriteCloseChecker struct {
|
|
io.ReadWriteCloser
|
|
l sync.Mutex
|
|
Closed bool
|
|
}
|
|
|
|
func (r *ReadWriteCloseChecker) Close() error {
|
|
r.l.Lock()
|
|
r.Closed = true
|
|
r.l.Unlock()
|
|
return r.ReadWriteCloser.Close()
|
|
}
|
|
|
|
func TestFS_Stream_Follow(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server and client
|
|
s, cleanupS := nomad.TestServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
c, cleanupC := TestClient(t, func(c *config.Config) {
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanupC()
|
|
|
|
expectedBase := "Hello from the other side"
|
|
repeat := 10
|
|
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"run_for": "20s",
|
|
"stdout_string": expectedBase,
|
|
"stdout_repeat": repeat,
|
|
"stdout_repeat_duration": "200ms",
|
|
}
|
|
|
|
// Wait for alloc to be running
|
|
alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
|
|
|
|
// Make the request
|
|
req := &cstructs.FsStreamRequest{
|
|
AllocID: alloc.ID,
|
|
Path: "alloc/logs/web.stdout.0",
|
|
PlainText: true,
|
|
Follow: true,
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Stream")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(20 * time.Second)
|
|
expected := strings.Repeat(expectedBase, repeat+1)
|
|
received := ""
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error != nil {
|
|
t.Fatalf("Got error: %v", msg.Error.Error())
|
|
}
|
|
|
|
// Add the payload
|
|
received += string(msg.Payload)
|
|
if received == expected {
|
|
break OUTER
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_Stream_Limit(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server and client
|
|
s, cleanupS := nomad.TestServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
c, cleanup := TestClient(t, func(c *config.Config) {
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanup()
|
|
|
|
var limit int64 = 5
|
|
full := "Hello from the other side"
|
|
expected := full[:limit]
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"run_for": "2s",
|
|
"stdout_string": full,
|
|
}
|
|
|
|
// Wait for alloc to be running
|
|
alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
|
|
|
|
// Make the request
|
|
req := &cstructs.FsStreamRequest{
|
|
AllocID: alloc.ID,
|
|
Path: "alloc/logs/web.stdout.0",
|
|
PlainText: true,
|
|
Limit: limit,
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Stream")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(3 * time.Second)
|
|
received := ""
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error != nil {
|
|
t.Fatalf("Got error: %v", msg.Error.Error())
|
|
}
|
|
|
|
// Add the payload
|
|
received += string(msg.Payload)
|
|
if received == expected {
|
|
break OUTER
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_Logs_NoAlloc(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a client
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Make the request with bad allocation id
|
|
req := &cstructs.FsLogsRequest{
|
|
AllocID: uuid.Generate(),
|
|
Task: "foo",
|
|
LogType: "stdout",
|
|
Origin: "start",
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Logs")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(3 * time.Second)
|
|
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
t.Logf("Got msg %+v", msg)
|
|
if msg.Error == nil {
|
|
continue
|
|
}
|
|
|
|
if structs.IsErrUnknownAllocation(msg.Error) {
|
|
break OUTER
|
|
} else {
|
|
t.Fatalf("bad error: %v", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestFS_Logs_TaskPending asserts that trying to stream logs for tasks which
|
|
// have not started returns a 404 error.
|
|
func TestFS_Logs_TaskPending(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server and client
|
|
s, cleanupS := nomad.TestServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
c, cleanupC := TestClient(t, func(c *config.Config) {
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanupC()
|
|
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"start_block_for": "10s",
|
|
}
|
|
|
|
// Register job
|
|
args := &structs.JobRegisterRequest{}
|
|
args.Job = job
|
|
args.WriteRequest.Region = "global"
|
|
args.Namespace = job.Namespace
|
|
var jobResp structs.JobRegisterResponse
|
|
require.NoError(s.RPC("Job.Register", args, &jobResp))
|
|
|
|
// Get the allocation ID
|
|
var allocID string
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
args := structs.AllocListRequest{}
|
|
args.Region = "global"
|
|
resp := structs.AllocListResponse{}
|
|
if err := s.RPC("Alloc.List", &args, &resp); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if len(resp.Allocations) != 1 {
|
|
return false, fmt.Errorf("expected 1 alloc, found %d", len(resp.Allocations))
|
|
}
|
|
|
|
allocID = resp.Allocations[0].ID
|
|
|
|
// wait for alloc runner to be created; otherwise, we get no alloc found error
|
|
if _, err := c.getAllocRunner(allocID); err != nil {
|
|
return false, fmt.Errorf("alloc runner was not created yet for %v", allocID)
|
|
}
|
|
|
|
return true, nil
|
|
}, func(err error) {
|
|
t.Fatalf("error getting alloc id: %v", err)
|
|
})
|
|
|
|
// Make the request
|
|
req := &cstructs.FsLogsRequest{
|
|
AllocID: allocID,
|
|
Task: job.TaskGroups[0].Tasks[0].Name,
|
|
LogType: "stdout",
|
|
Origin: "start",
|
|
PlainText: true,
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Logs")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
for {
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatalf("unexpected stream error: %v", err)
|
|
case msg := <-streamMsg:
|
|
require.NotNil(msg.Error)
|
|
require.NotNil(msg.Error.Code)
|
|
require.EqualValues(404, *msg.Error.Code)
|
|
require.Contains(msg.Error.Message, "not started")
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_Logs_ACL(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server
|
|
s, root, cleanupS := nomad.TestACLServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
client, cleanup := TestClient(t, func(c *config.Config) {
|
|
c.ACLEnabled = true
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanup()
|
|
|
|
// Create a bad token
|
|
policyBad := mock.NamespacePolicy("other", "", []string{acl.NamespaceCapabilityReadFS})
|
|
tokenBad := mock.CreatePolicyAndToken(t, s.State(), 1005, "invalid", policyBad)
|
|
|
|
policyGood := mock.NamespacePolicy(structs.DefaultNamespace, "",
|
|
[]string{acl.NamespaceCapabilityReadLogs, acl.NamespaceCapabilityReadFS})
|
|
tokenGood := mock.CreatePolicyAndToken(t, s.State(), 1009, "valid2", policyGood)
|
|
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"run_for": "20s",
|
|
}
|
|
|
|
// Wait for client to be running job
|
|
alloc := testutil.WaitForRunningWithToken(t, s.RPC, job, root.SecretID)[0]
|
|
|
|
cases := []struct {
|
|
Name string
|
|
Token string
|
|
ExpectedError string
|
|
}{
|
|
{
|
|
Name: "bad token",
|
|
Token: tokenBad.SecretID,
|
|
ExpectedError: structs.ErrPermissionDenied.Error(),
|
|
},
|
|
{
|
|
Name: "good token",
|
|
Token: tokenGood.SecretID,
|
|
},
|
|
{
|
|
Name: "root token",
|
|
Token: root.SecretID,
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(c.Name, func(t *testing.T) {
|
|
// Make the request with bad allocation id
|
|
req := &cstructs.FsLogsRequest{
|
|
AllocID: alloc.ID,
|
|
Task: job.TaskGroups[0].Tasks[0].Name,
|
|
LogType: "stdout",
|
|
Origin: "start",
|
|
QueryOptions: structs.QueryOptions{
|
|
Namespace: structs.DefaultNamespace,
|
|
Region: "global",
|
|
AuthToken: c.Token,
|
|
},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := client.StreamingRpcHandler("FileSystem.Logs")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
errCh <- err
|
|
return
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(5 * time.Second)
|
|
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
eof := err == io.EOF || strings.Contains(err.Error(), "closed")
|
|
if c.ExpectedError == "" && eof {
|
|
// No error was expected!
|
|
return
|
|
}
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error == nil {
|
|
continue
|
|
}
|
|
|
|
if strings.Contains(msg.Error.Error(), c.ExpectedError) {
|
|
// Ok! Error matched expectation.
|
|
break OUTER
|
|
} else {
|
|
t.Fatalf("Bad error: %v", msg.Error)
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestFS_Logs(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server and client
|
|
s, cleanupS := nomad.TestServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
c, cleanupC := TestClient(t, func(c *config.Config) {
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanupC()
|
|
|
|
expected := "Hello from the other side\n"
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"run_for": "2s",
|
|
"stdout_string": expected,
|
|
}
|
|
|
|
// Wait for client to be running job
|
|
testutil.WaitForRunning(t, s.RPC, job)
|
|
|
|
// Get the allocation ID
|
|
args := structs.AllocListRequest{}
|
|
args.Region = "global"
|
|
resp := structs.AllocListResponse{}
|
|
require.NoError(s.RPC("Alloc.List", &args, &resp))
|
|
require.Len(resp.Allocations, 1)
|
|
allocID := resp.Allocations[0].ID
|
|
|
|
// Make the request
|
|
req := &cstructs.FsLogsRequest{
|
|
AllocID: allocID,
|
|
Task: job.TaskGroups[0].Tasks[0].Name,
|
|
LogType: "stdout",
|
|
Origin: "start",
|
|
PlainText: true,
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Logs")
|
|
require.Nil(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(3 * time.Second)
|
|
received := ""
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error != nil {
|
|
t.Fatalf("Got error: %v", msg.Error.Error())
|
|
}
|
|
|
|
// Add the payload
|
|
received += string(msg.Payload)
|
|
if received == expected {
|
|
break OUTER
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_Logs_Follow(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
|
|
// Start a server and client
|
|
s, cleanupS := nomad.TestServer(t, nil)
|
|
defer cleanupS()
|
|
testutil.WaitForLeader(t, s.RPC)
|
|
|
|
c, cleanupC := TestClient(t, func(c *config.Config) {
|
|
c.Servers = []string{s.GetConfig().RPCAddr.String()}
|
|
})
|
|
defer cleanupC()
|
|
|
|
expectedBase := "Hello from the other side\n"
|
|
repeat := 10
|
|
|
|
job := mock.BatchJob()
|
|
job.TaskGroups[0].Count = 1
|
|
job.TaskGroups[0].Tasks[0].Config = map[string]interface{}{
|
|
"run_for": "20s",
|
|
"stdout_string": expectedBase,
|
|
"stdout_repeat": repeat,
|
|
"stdout_repeat_duration": "200ms",
|
|
}
|
|
|
|
// Wait for client to be running job
|
|
alloc := testutil.WaitForRunning(t, s.RPC, job)[0]
|
|
|
|
// Make the request
|
|
req := &cstructs.FsLogsRequest{
|
|
AllocID: alloc.ID,
|
|
Task: job.TaskGroups[0].Tasks[0].Name,
|
|
LogType: "stdout",
|
|
Origin: "start",
|
|
PlainText: true,
|
|
Follow: true,
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
|
|
// Get the handler
|
|
handler, err := c.StreamingRpcHandler("FileSystem.Logs")
|
|
require.NoError(err)
|
|
|
|
// Create a pipe
|
|
p1, p2 := net.Pipe()
|
|
defer p1.Close()
|
|
defer p2.Close()
|
|
|
|
errCh := make(chan error)
|
|
streamMsg := make(chan *cstructs.StreamErrWrapper)
|
|
|
|
// Start the handler
|
|
go handler(p2)
|
|
|
|
// Start the decoder
|
|
go func() {
|
|
decoder := codec.NewDecoder(p1, structs.MsgpackHandle)
|
|
for {
|
|
var msg cstructs.StreamErrWrapper
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
if err == io.EOF || strings.Contains(err.Error(), "closed") {
|
|
return
|
|
}
|
|
errCh <- fmt.Errorf("error decoding: %v", err)
|
|
}
|
|
|
|
streamMsg <- &msg
|
|
}
|
|
}()
|
|
|
|
// Send the request
|
|
encoder := codec.NewEncoder(p1, structs.MsgpackHandle)
|
|
require.Nil(encoder.Encode(req))
|
|
|
|
timeout := time.After(20 * time.Second)
|
|
expected := strings.Repeat(expectedBase, repeat+1)
|
|
received := ""
|
|
OUTER:
|
|
for {
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timeout")
|
|
case err := <-errCh:
|
|
t.Fatal(err)
|
|
case msg := <-streamMsg:
|
|
if msg.Error != nil {
|
|
t.Fatalf("Got error: %v", msg.Error.Error())
|
|
}
|
|
|
|
// Add the payload
|
|
received += string(msg.Payload)
|
|
if received == expected {
|
|
break OUTER
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_findClosest(t *testing.T) {
|
|
task := "foo"
|
|
entries := []*cstructs.AllocFileInfo{
|
|
{
|
|
Name: "foo.stdout.0",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stdout.1",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stdout.2",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stdout.3",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stderr.0",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stderr.1",
|
|
Size: 100,
|
|
},
|
|
{
|
|
Name: "foo.stderr.2",
|
|
Size: 100,
|
|
},
|
|
}
|
|
|
|
cases := []struct {
|
|
Entries []*cstructs.AllocFileInfo
|
|
DesiredIdx int64
|
|
DesiredOffset int64
|
|
Task string
|
|
LogType string
|
|
ExpectedFile string
|
|
ExpectedIdx int64
|
|
ExpectedOffset int64
|
|
Error bool
|
|
}{
|
|
// Test error cases
|
|
{
|
|
Entries: nil,
|
|
DesiredIdx: 0,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
Error: true,
|
|
},
|
|
{
|
|
Entries: entries[0:3],
|
|
DesiredIdx: 0,
|
|
Task: task,
|
|
LogType: "stderr",
|
|
Error: true,
|
|
},
|
|
|
|
// Test beginning cases
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 0,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[0].Name,
|
|
ExpectedIdx: 0,
|
|
},
|
|
{
|
|
// Desired offset should be ignored at edges
|
|
Entries: entries,
|
|
DesiredIdx: 0,
|
|
DesiredOffset: -100,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[0].Name,
|
|
ExpectedIdx: 0,
|
|
ExpectedOffset: 0,
|
|
},
|
|
{
|
|
// Desired offset should be ignored at edges
|
|
Entries: entries,
|
|
DesiredIdx: 1,
|
|
DesiredOffset: -1000,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[0].Name,
|
|
ExpectedIdx: 0,
|
|
ExpectedOffset: 0,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 0,
|
|
Task: task,
|
|
LogType: "stderr",
|
|
ExpectedFile: entries[4].Name,
|
|
ExpectedIdx: 0,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 0,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[0].Name,
|
|
ExpectedIdx: 0,
|
|
},
|
|
|
|
// Test middle cases
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 1,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[1].Name,
|
|
ExpectedIdx: 1,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 1,
|
|
DesiredOffset: 10,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[1].Name,
|
|
ExpectedIdx: 1,
|
|
ExpectedOffset: 10,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 1,
|
|
DesiredOffset: 110,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[2].Name,
|
|
ExpectedIdx: 2,
|
|
ExpectedOffset: 10,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: 1,
|
|
Task: task,
|
|
LogType: "stderr",
|
|
ExpectedFile: entries[5].Name,
|
|
ExpectedIdx: 1,
|
|
},
|
|
// Test end cases
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: math.MaxInt64,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[3].Name,
|
|
ExpectedIdx: 3,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: math.MaxInt64,
|
|
DesiredOffset: math.MaxInt64,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[3].Name,
|
|
ExpectedIdx: 3,
|
|
ExpectedOffset: 100,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: math.MaxInt64,
|
|
DesiredOffset: -10,
|
|
Task: task,
|
|
LogType: "stdout",
|
|
ExpectedFile: entries[3].Name,
|
|
ExpectedIdx: 3,
|
|
ExpectedOffset: 90,
|
|
},
|
|
{
|
|
Entries: entries,
|
|
DesiredIdx: math.MaxInt64,
|
|
Task: task,
|
|
LogType: "stderr",
|
|
ExpectedFile: entries[6].Name,
|
|
ExpectedIdx: 2,
|
|
},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
entry, idx, offset, err := findClosest(c.Entries, c.DesiredIdx, c.DesiredOffset, c.Task, c.LogType)
|
|
if err != nil {
|
|
if !c.Error {
|
|
t.Fatalf("case %d: Unexpected error: %v", i, err)
|
|
}
|
|
continue
|
|
}
|
|
|
|
if entry.Name != c.ExpectedFile {
|
|
t.Fatalf("case %d: Got file %q; want %q", i, entry.Name, c.ExpectedFile)
|
|
}
|
|
if idx != c.ExpectedIdx {
|
|
t.Fatalf("case %d: Got index %d; want %d", i, idx, c.ExpectedIdx)
|
|
}
|
|
if offset != c.ExpectedOffset {
|
|
t.Fatalf("case %d: Got offset %d; want %d", i, offset, c.ExpectedOffset)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFS_streamFile_NoFile(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
frames := make(chan *sframer.StreamFrame, 32)
|
|
framer := sframer.NewStreamFramer(frames, streamHeartbeatRate, streamBatchWindow, streamFrameSize)
|
|
framer.Run()
|
|
defer framer.Destroy()
|
|
|
|
err := c.endpoints.FileSystem.streamFile(
|
|
context.Background(), 0, "foo", 0, ad, framer, nil)
|
|
require.NotNil(err)
|
|
if runtime.GOOS == "windows" {
|
|
require.Contains(err.Error(), "cannot find the file")
|
|
} else {
|
|
require.Contains(err.Error(), "no such file")
|
|
}
|
|
}
|
|
|
|
func TestFS_streamFile_Modify(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Get a temp alloc dir
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
// Create a file in the temp dir
|
|
streamFile := "stream_file"
|
|
f, err := os.Create(filepath.Join(ad.AllocDir, streamFile))
|
|
if err != nil {
|
|
t.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
data := []byte("helloworld")
|
|
|
|
// Start the reader
|
|
resultCh := make(chan struct{})
|
|
frames := make(chan *sframer.StreamFrame, 4)
|
|
go func() {
|
|
var collected []byte
|
|
for {
|
|
frame := <-frames
|
|
if frame.IsHeartbeat() {
|
|
continue
|
|
}
|
|
|
|
collected = append(collected, frame.Data...)
|
|
if reflect.DeepEqual(data, collected) {
|
|
resultCh <- struct{}{}
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Write a few bytes
|
|
if _, err := f.Write(data[:3]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
framer := sframer.NewStreamFramer(frames, streamHeartbeatRate, streamBatchWindow, streamFrameSize)
|
|
framer.Run()
|
|
defer framer.Destroy()
|
|
|
|
// Start streaming
|
|
go func() {
|
|
if err := c.endpoints.FileSystem.streamFile(
|
|
context.Background(), 0, streamFile, 0, ad, framer, nil); err != nil {
|
|
t.Fatalf("stream() failed: %v", err)
|
|
}
|
|
}()
|
|
|
|
// Sleep a little before writing more. This lets us check if the watch
|
|
// is working.
|
|
time.Sleep(1 * time.Duration(testutil.TestMultiplier()) * time.Second)
|
|
if _, err := f.Write(data[3:]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
select {
|
|
case <-resultCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("failed to send new data")
|
|
}
|
|
}
|
|
|
|
func TestFS_streamFile_Truncate(t *testing.T) {
|
|
t.Parallel()
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Get a temp alloc dir
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
// Create a file in the temp dir
|
|
data := []byte("helloworld")
|
|
streamFile := "stream_file"
|
|
streamFilePath := filepath.Join(ad.AllocDir, streamFile)
|
|
f, err := os.Create(streamFilePath)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
// Start the reader
|
|
truncateCh := make(chan struct{})
|
|
truncateClosed := false
|
|
dataPostTruncCh := make(chan struct{})
|
|
frames := make(chan *sframer.StreamFrame, 4)
|
|
go func() {
|
|
var collected []byte
|
|
for {
|
|
frame := <-frames
|
|
if frame.IsHeartbeat() {
|
|
continue
|
|
}
|
|
|
|
if frame.FileEvent == truncateEvent && !truncateClosed {
|
|
close(truncateCh)
|
|
truncateClosed = true
|
|
}
|
|
|
|
collected = append(collected, frame.Data...)
|
|
if reflect.DeepEqual(data, collected) {
|
|
close(dataPostTruncCh)
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Write a few bytes
|
|
if _, err := f.Write(data[:3]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
framer := sframer.NewStreamFramer(frames, streamHeartbeatRate, streamBatchWindow, streamFrameSize)
|
|
framer.Run()
|
|
defer framer.Destroy()
|
|
|
|
// Start streaming
|
|
go func() {
|
|
if err := c.endpoints.FileSystem.streamFile(
|
|
context.Background(), 0, streamFile, 0, ad, framer, nil); err != nil {
|
|
t.Fatalf("stream() failed: %v", err)
|
|
}
|
|
}()
|
|
|
|
// Sleep a little before truncating. This lets us check if the watch
|
|
// is working.
|
|
time.Sleep(1 * time.Duration(testutil.TestMultiplier()) * time.Second)
|
|
if err := f.Truncate(0); err != nil {
|
|
t.Fatalf("truncate failed: %v", err)
|
|
}
|
|
if err := f.Sync(); err != nil {
|
|
t.Fatalf("sync failed: %v", err)
|
|
}
|
|
if err := f.Close(); err != nil {
|
|
t.Fatalf("failed to close file: %v", err)
|
|
}
|
|
|
|
f2, err := os.OpenFile(streamFilePath, os.O_RDWR, 0)
|
|
if err != nil {
|
|
t.Fatalf("failed to reopen file: %v", err)
|
|
}
|
|
defer f2.Close()
|
|
if _, err := f2.Write(data[3:5]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
select {
|
|
case <-truncateCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive truncate")
|
|
}
|
|
|
|
// Sleep a little before writing more. This lets us check if the watch
|
|
// is working.
|
|
time.Sleep(1 * time.Duration(testutil.TestMultiplier()) * time.Second)
|
|
if _, err := f2.Write(data[5:]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
select {
|
|
case <-dataPostTruncCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive post truncate data")
|
|
}
|
|
}
|
|
|
|
func TestFS_streamImpl_Delete(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Windows does not allow us to delete a file while it is open")
|
|
}
|
|
t.Parallel()
|
|
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Get a temp alloc dir
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
// Create a file in the temp dir
|
|
data := []byte("helloworld")
|
|
streamFile := "stream_file"
|
|
streamFilePath := filepath.Join(ad.AllocDir, streamFile)
|
|
f, err := os.Create(streamFilePath)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
// Start the reader
|
|
deleteCh := make(chan struct{})
|
|
frames := make(chan *sframer.StreamFrame, 4)
|
|
go func() {
|
|
for {
|
|
frame, ok := <-frames
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
if frame.IsHeartbeat() {
|
|
continue
|
|
}
|
|
|
|
if frame.FileEvent == deleteEvent {
|
|
close(deleteCh)
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Write a few bytes
|
|
if _, err := f.Write(data[:3]); err != nil {
|
|
t.Fatalf("write failed: %v", err)
|
|
}
|
|
|
|
framer := sframer.NewStreamFramer(frames, streamHeartbeatRate, streamBatchWindow, streamFrameSize)
|
|
framer.Run()
|
|
defer framer.Destroy()
|
|
|
|
// Start streaming
|
|
go func() {
|
|
if err := c.endpoints.FileSystem.streamFile(
|
|
context.Background(), 0, streamFile, 0, ad, framer, nil); err != nil {
|
|
t.Fatalf("stream() failed: %v", err)
|
|
}
|
|
}()
|
|
|
|
// Sleep a little before deleting. This lets us check if the watch
|
|
// is working.
|
|
time.Sleep(1 * time.Duration(testutil.TestMultiplier()) * time.Second)
|
|
if err := os.Remove(streamFilePath); err != nil {
|
|
t.Fatalf("delete failed: %v", err)
|
|
}
|
|
|
|
select {
|
|
case <-deleteCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive delete")
|
|
}
|
|
}
|
|
|
|
func TestFS_logsImpl_NoFollow(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Get a temp alloc dir and create the log dir
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
logDir := filepath.Join(ad.SharedDir, allocdir.LogDirName)
|
|
if err := os.MkdirAll(logDir, 0777); err != nil {
|
|
t.Fatalf("Failed to make log dir: %v", err)
|
|
}
|
|
|
|
// Create a series of log files in the temp dir
|
|
task := "foo"
|
|
logType := "stdout"
|
|
expected := []byte("012")
|
|
for i := 0; i < 3; i++ {
|
|
logFile := fmt.Sprintf("%s.%s.%d", task, logType, i)
|
|
logFilePath := filepath.Join(logDir, logFile)
|
|
err := ioutil.WriteFile(logFilePath, expected[i:i+1], 777)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
}
|
|
|
|
// Start the reader
|
|
resultCh := make(chan struct{})
|
|
frames := make(chan *sframer.StreamFrame, 4)
|
|
var received []byte
|
|
go func() {
|
|
for {
|
|
frame, ok := <-frames
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
if frame.IsHeartbeat() {
|
|
continue
|
|
}
|
|
|
|
received = append(received, frame.Data...)
|
|
if reflect.DeepEqual(received, expected) {
|
|
close(resultCh)
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Start streaming logs
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
|
|
defer cancel()
|
|
|
|
if err := c.endpoints.FileSystem.logsImpl(
|
|
ctx, false, false, 0,
|
|
OriginStart, task, logType, ad, frames); err != nil {
|
|
t.Fatalf("logsImpl failed: %v", err)
|
|
}
|
|
|
|
select {
|
|
case <-resultCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive data: got %q", string(received))
|
|
}
|
|
}
|
|
|
|
func TestFS_logsImpl_Follow(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
c, cleanup := TestClient(t, nil)
|
|
defer cleanup()
|
|
|
|
// Get a temp alloc dir and create the log dir
|
|
ad := tempAllocDir(t)
|
|
defer os.RemoveAll(ad.AllocDir)
|
|
|
|
logDir := filepath.Join(ad.SharedDir, allocdir.LogDirName)
|
|
if err := os.MkdirAll(logDir, 0777); err != nil {
|
|
t.Fatalf("Failed to make log dir: %v", err)
|
|
}
|
|
|
|
// Create a series of log files in the temp dir
|
|
task := "foo"
|
|
logType := "stdout"
|
|
expected := []byte("012345")
|
|
initialWrites := 3
|
|
|
|
writeToFile := func(index int, data []byte) {
|
|
logFile := fmt.Sprintf("%s.%s.%d", task, logType, index)
|
|
logFilePath := filepath.Join(logDir, logFile)
|
|
err := ioutil.WriteFile(logFilePath, data, 777)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
}
|
|
for i := 0; i < initialWrites; i++ {
|
|
writeToFile(i, expected[i:i+1])
|
|
}
|
|
|
|
// Start the reader
|
|
firstResultCh := make(chan struct{})
|
|
fullResultCh := make(chan struct{})
|
|
frames := make(chan *sframer.StreamFrame, 4)
|
|
var received []byte
|
|
go func() {
|
|
for {
|
|
frame, ok := <-frames
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
if frame.IsHeartbeat() {
|
|
continue
|
|
}
|
|
|
|
received = append(received, frame.Data...)
|
|
if reflect.DeepEqual(received, expected[:initialWrites]) {
|
|
close(firstResultCh)
|
|
} else if reflect.DeepEqual(received, expected) {
|
|
close(fullResultCh)
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Start streaming logs
|
|
go c.endpoints.FileSystem.logsImpl(
|
|
context.Background(), true, false, 0,
|
|
OriginStart, task, logType, ad, frames)
|
|
|
|
select {
|
|
case <-firstResultCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive data: got %q", string(received))
|
|
}
|
|
|
|
// We got the first chunk of data, write out the rest to the next file
|
|
// at an index much ahead to check that it is following and detecting
|
|
// skips
|
|
skipTo := initialWrites + 10
|
|
writeToFile(skipTo, expected[initialWrites:])
|
|
|
|
select {
|
|
case <-fullResultCh:
|
|
case <-time.After(10 * time.Duration(testutil.TestMultiplier()) * streamBatchWindow):
|
|
t.Fatalf("did not receive data: got %q", string(received))
|
|
}
|
|
}
|