open-nomad/nomad/node_endpoint_test.go
2015-10-28 18:35:48 -07:00

867 lines
22 KiB
Go

package nomad
import (
"reflect"
"testing"
"time"
"github.com/hashicorp/net-rpc-msgpackrpc"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
)
func TestClientEndpoint_Register(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
req := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", req, &resp); err != nil {
t.Fatalf("err: %v", err)
}
if resp.Index == 0 {
t.Fatalf("bad index: %d", resp.Index)
}
// Check for the node in the FSM
state := s1.fsm.State()
out, err := state.NodeByID(node.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if out == nil {
t.Fatalf("expected node")
}
if out.CreateIndex != resp.Index {
t.Fatalf("index mis-match")
}
}
func TestClientEndpoint_Deregister(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Deregister
dereg := &structs.NodeDeregisterRequest{
NodeID: node.ID,
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Deregister", dereg, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index == 0 {
t.Fatalf("bad index: %d", resp2.Index)
}
// Check for the node in the FSM
state := s1.fsm.State()
out, err := state.NodeByID(node.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if out != nil {
t.Fatalf("unexpected node")
}
}
func TestClientEndpoint_UpdateStatus(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Check for heartbeat interval
ttl := resp.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Update the status
dereg := &structs.NodeUpdateStatusRequest{
NodeID: node.ID,
Status: structs.NodeStatusInit,
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateStatus", dereg, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index == 0 {
t.Fatalf("bad index: %d", resp2.Index)
}
// Check for heartbeat interval
ttl = resp2.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Check for the node in the FSM
state := s1.fsm.State()
out, err := state.NodeByID(node.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if out == nil {
t.Fatalf("expected node")
}
if out.ModifyIndex != resp2.Index {
t.Fatalf("index mis-match")
}
}
func TestClientEndpoint_UpdateStatus_GetEvals(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Register a system job.
job := mock.SystemJob()
state := s1.fsm.State()
if err := state.UpsertJob(1, job); err != nil {
t.Fatalf("err: %v", err)
}
// Create the register request
node := mock.Node()
node.Status = structs.NodeStatusInit
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Check for heartbeat interval
ttl := resp.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Update the status
update := &structs.NodeUpdateStatusRequest{
NodeID: node.ID,
Status: structs.NodeStatusReady,
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateStatus", update, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index == 0 {
t.Fatalf("bad index: %d", resp2.Index)
}
// Check for an eval caused by the system job.
if len(resp2.EvalIDs) != 1 {
t.Fatalf("expected one eval; got %#v", resp2.EvalIDs)
}
evalID := resp2.EvalIDs[0]
eval, err := state.EvalByID(evalID)
if err != nil {
t.Fatalf("could not get eval %v", evalID)
}
if eval.Type != "system" {
t.Fatalf("unexpected eval type; got %v; want %q", eval.Type, "system")
}
// Check for heartbeat interval
ttl = resp2.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Check for the node in the FSM
out, err := state.NodeByID(node.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if out == nil {
t.Fatalf("expected node")
}
if out.ModifyIndex != resp2.Index {
t.Fatalf("index mis-match")
}
}
func TestClientEndpoint_UpdateStatus_HeartbeatOnly(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Check for heartbeat interval
ttl := resp.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Update the status, static state
dereg := &structs.NodeUpdateStatusRequest{
NodeID: node.ID,
Status: node.Status,
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateStatus", dereg, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != 0 {
t.Fatalf("bad index: %d", resp2.Index)
}
// Check for heartbeat interval
ttl = resp2.HeartbeatTTL
if ttl < s1.config.MinHeartbeatTTL || ttl > 2*s1.config.MinHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
}
func TestClientEndpoint_UpdateDrain(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Update the status
dereg := &structs.NodeUpdateDrainRequest{
NodeID: node.ID,
Drain: true,
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.NodeDrainUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateDrain", dereg, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index == 0 {
t.Fatalf("bad index: %d", resp2.Index)
}
// Check for the node in the FSM
state := s1.fsm.State()
out, err := state.NodeByID(node.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if !out.Drain {
t.Fatalf("bad: %#v", out)
}
}
func TestClientEndpoint_GetNode(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
node.CreateIndex = resp.Index
node.ModifyIndex = resp.Index
// Lookup the node
get := &structs.NodeSpecificRequest{
NodeID: node.ID,
QueryOptions: structs.QueryOptions{Region: "global"},
}
var resp2 structs.SingleNodeResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.GetNode", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != resp.Index {
t.Fatalf("Bad index: %d %d", resp2.Index, resp.Index)
}
if !reflect.DeepEqual(node, resp2.Node) {
t.Fatalf("bad: %#v %#v", node, resp2.Node)
}
// Lookup non-existing node
get.NodeID = "foobarbaz"
if err := msgpackrpc.CallWithCodec(codec, "Node.GetNode", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != resp.Index {
t.Fatalf("Bad index: %d %d", resp2.Index, resp.Index)
}
if resp2.Node != nil {
t.Fatalf("unexpected node")
}
}
func TestClientEndpoint_GetAllocs(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
node.CreateIndex = resp.Index
node.ModifyIndex = resp.Index
// Inject fake evaluations
alloc := mock.Alloc()
alloc.NodeID = node.ID
state := s1.fsm.State()
err := state.UpsertAllocs(100, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
// Lookup the allocs
get := &structs.NodeSpecificRequest{
NodeID: node.ID,
QueryOptions: structs.QueryOptions{Region: "global"},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.GetAllocs", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != 100 {
t.Fatalf("Bad index: %d %d", resp2.Index, 100)
}
if len(resp2.Allocs) != 1 || resp2.Allocs[0].ID != alloc.ID {
t.Fatalf("bad: %#v", resp2.Allocs)
}
// Lookup non-existing node
get.NodeID = "foobarbaz"
if err := msgpackrpc.CallWithCodec(codec, "Node.GetAllocs", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != 100 {
t.Fatalf("Bad index: %d %d", resp2.Index, 100)
}
if len(resp2.Allocs) != 0 {
t.Fatalf("unexpected node")
}
}
func TestClientEndpoint_GetAllocs_Blocking(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
node.CreateIndex = resp.Index
node.ModifyIndex = resp.Index
// Inject fake evaluations async
alloc := mock.Alloc()
alloc.NodeID = node.ID
state := s1.fsm.State()
start := time.Now()
go func() {
time.Sleep(100 * time.Millisecond)
err := state.UpsertAllocs(100, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
}()
// Lookup the allocs in a blocking query
get := &structs.NodeSpecificRequest{
NodeID: node.ID,
QueryOptions: structs.QueryOptions{
Region: "global",
MinQueryIndex: 50,
MaxQueryTime: time.Second,
},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.GetAllocs", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
// Should block at least 100ms
if time.Since(start) < 100*time.Millisecond {
t.Fatalf("too fast")
}
if resp2.Index != 100 {
t.Fatalf("Bad index: %d %d", resp2.Index, 100)
}
if len(resp2.Allocs) != 1 || resp2.Allocs[0].ID != alloc.ID {
t.Fatalf("bad: %#v", resp2.Allocs)
}
}
func TestClientEndpoint_UpdateAlloc(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Inject fake evaluations
alloc := mock.Alloc()
alloc.NodeID = node.ID
state := s1.fsm.State()
err := state.UpsertAllocs(100, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
// Attempt update
clientAlloc := new(structs.Allocation)
*clientAlloc = *alloc
clientAlloc.ClientStatus = structs.AllocClientStatusFailed
// Update the alloc
update := &structs.AllocUpdateRequest{
Alloc: []*structs.Allocation{clientAlloc},
WriteRequest: structs.WriteRequest{Region: "global"},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateAlloc", update, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index == 0 {
t.Fatalf("Bad index: %d", resp2.Index)
}
// Lookup the alloc
out, err := state.AllocByID(alloc.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if out.ClientStatus != structs.AllocClientStatusFailed {
t.Fatalf("Bad: %#v", out)
}
}
func TestClientEndpoint_CreateNodeEvals(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
testutil.WaitForLeader(t, s1.RPC)
// Inject fake evaluations
alloc := mock.Alloc()
state := s1.fsm.State()
if err := state.UpsertAllocs(1, []*structs.Allocation{alloc}); err != nil {
t.Fatalf("err: %v", err)
}
// Inject a fake system job.
job := mock.SystemJob()
if err := state.UpsertJob(1, job); err != nil {
t.Fatalf("err: %v", err)
}
// Create some evaluations
ids, index, err := s1.endpoints.Node.createNodeEvals(alloc.NodeID, 1)
if err != nil {
t.Fatalf("err: %v", err)
}
if index == 0 {
t.Fatalf("bad: %d", index)
}
if len(ids) != 2 {
t.Fatalf("bad: %s", ids)
}
// Lookup the evaluations
evalByType := make(map[string]*structs.Evaluation, 2)
for _, id := range ids {
eval, err := state.EvalByID(id)
if err != nil {
t.Fatalf("err: %v", err)
}
if eval == nil {
t.Fatalf("expected eval")
}
if old, ok := evalByType[eval.Type]; ok {
t.Fatalf("multiple evals of the same type: %v and %v", old, eval)
}
evalByType[eval.Type] = eval
}
if len(evalByType) != 2 {
t.Fatalf("Expected a service and system job; got %#v", evalByType)
}
// Ensure the evals are correct.
for schedType, eval := range evalByType {
expPriority := alloc.Job.Priority
expJobID := alloc.JobID
if schedType == "system" {
expPriority = job.Priority
expJobID = job.ID
}
if eval.CreateIndex != index {
t.Fatalf("CreateIndex mis-match on type %v: %#v", schedType, eval)
}
if eval.TriggeredBy != structs.EvalTriggerNodeUpdate {
t.Fatalf("TriggeredBy incorrect on type %v: %#v", schedType, eval)
}
if eval.NodeID != alloc.NodeID {
t.Fatalf("NodeID incorrect on type %v: %#v", schedType, eval)
}
if eval.NodeModifyIndex != 1 {
t.Fatalf("NodeModifyIndex incorrect on type %v: %#v", schedType, eval)
}
if eval.Status != structs.EvalStatusPending {
t.Fatalf("Status incorrect on type %v: %#v", schedType, eval)
}
if eval.Priority != expPriority {
t.Fatalf("Priority incorrect on type %v: %#v", schedType, eval)
}
if eval.JobID != expJobID {
t.Fatalf("JobID incorrect on type %v: %#v", schedType, eval)
}
}
}
func TestClientEndpoint_Evaluate(t *testing.T) {
s1 := testServer(t, func(c *Config) {
c.NumSchedulers = 0 // Prevent automatic dequeue
})
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Inject fake evaluations
alloc := mock.Alloc()
node := mock.Node()
node.ID = alloc.NodeID
state := s1.fsm.State()
err := state.UpsertNode(1, node)
if err != nil {
t.Fatalf("err: %v", err)
}
err = state.UpsertAllocs(2, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
// Re-evaluate
req := &structs.NodeEvaluateRequest{
NodeID: alloc.NodeID,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Evaluate", req, &resp); err != nil {
t.Fatalf("err: %v", err)
}
if resp.Index == 0 {
t.Fatalf("bad index: %d", resp.Index)
}
// Create some evaluations
ids := resp.EvalIDs
if len(ids) != 1 {
t.Fatalf("bad: %s", ids)
}
// Lookup the evaluation
eval, err := state.EvalByID(ids[0])
if err != nil {
t.Fatalf("err: %v", err)
}
if eval == nil {
t.Fatalf("expected eval")
}
if eval.CreateIndex != resp.Index {
t.Fatalf("index mis-match")
}
if eval.Priority != alloc.Job.Priority {
t.Fatalf("bad: %#v", eval)
}
if eval.Type != alloc.Job.Type {
t.Fatalf("bad: %#v", eval)
}
if eval.TriggeredBy != structs.EvalTriggerNodeUpdate {
t.Fatalf("bad: %#v", eval)
}
if eval.JobID != alloc.JobID {
t.Fatalf("bad: %#v", eval)
}
if eval.NodeID != alloc.NodeID {
t.Fatalf("bad: %#v", eval)
}
if eval.NodeModifyIndex != 1 {
t.Fatalf("bad: %#v", eval)
}
if eval.Status != structs.EvalStatusPending {
t.Fatalf("bad: %#v", eval)
}
}
func TestClientEndpoint_ListNodes(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the register request
node := mock.Node()
reg := &structs.NodeRegisterRequest{
Node: node,
WriteRequest: structs.WriteRequest{Region: "global"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
node.CreateIndex = resp.Index
node.ModifyIndex = resp.Index
// Lookup the node
get := &structs.NodeListRequest{
QueryOptions: structs.QueryOptions{Region: "global"},
}
var resp2 structs.NodeListResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.List", get, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if resp2.Index != resp.Index {
t.Fatalf("Bad index: %d %d", resp2.Index, resp.Index)
}
if len(resp2.Nodes) != 1 {
t.Fatalf("bad: %#v", resp2.Nodes)
}
if resp2.Nodes[0].ID != node.ID {
t.Fatalf("bad: %#v", resp2.Nodes[0])
}
}
func TestClientEndpoint_ListNodes_blocking(t *testing.T) {
s1 := testServer(t, nil)
defer s1.Shutdown()
state := s1.fsm.State()
codec := rpcClient(t, s1)
testutil.WaitForLeader(t, s1.RPC)
// Create the node
node := mock.Node()
// Node upsert triggers watches
time.AfterFunc(100*time.Millisecond, func() {
if err := state.UpsertNode(2, node); err != nil {
t.Fatalf("err: %v", err)
}
})
req := &structs.NodeListRequest{
QueryOptions: structs.QueryOptions{
Region: "global",
MinQueryIndex: 1,
},
}
start := time.Now()
var resp structs.NodeListResponse
if err := msgpackrpc.CallWithCodec(codec, "Node.List", req, &resp); err != nil {
t.Fatalf("err: %v", err)
}
if elapsed := time.Now().Sub(start); elapsed < 100*time.Millisecond {
t.Fatalf("should block (returned in %s) %#v", elapsed, resp)
}
if resp.Index != 2 {
t.Fatalf("Bad index: %d %d", resp.Index, 2)
}
if len(resp.Nodes) != 1 || resp.Nodes[0].ID != node.ID {
t.Fatalf("bad: %#v", resp.Nodes)
}
// Node drain updates trigger watches.
time.AfterFunc(100*time.Millisecond, func() {
if err := state.UpdateNodeDrain(3, node.ID, true); err != nil {
t.Fatalf("err: %v", err)
}
})
req.MinQueryIndex = 2
var resp2 structs.NodeListResponse
start = time.Now()
if err := msgpackrpc.CallWithCodec(codec, "Node.List", req, &resp2); err != nil {
t.Fatalf("err: %v", err)
}
if elapsed := time.Now().Sub(start); elapsed < 100*time.Millisecond {
t.Fatalf("should block (returned in %s) %#v", elapsed, resp2)
}
if resp2.Index != 3 {
t.Fatalf("Bad index: %d %d", resp2.Index, 3)
}
if len(resp2.Nodes) != 1 || !resp2.Nodes[0].Drain {
t.Fatalf("bad: %#v", resp2.Nodes)
}
// Node status update triggers watches
time.AfterFunc(100*time.Millisecond, func() {
if err := state.UpdateNodeStatus(4, node.ID, structs.NodeStatusDown); err != nil {
t.Fatalf("err: %v", err)
}
})
req.MinQueryIndex = 3
var resp3 structs.NodeListResponse
start = time.Now()
if err := msgpackrpc.CallWithCodec(codec, "Node.List", req, &resp3); err != nil {
t.Fatalf("err: %v", err)
}
if elapsed := time.Now().Sub(start); elapsed < 100*time.Millisecond {
t.Fatalf("should block (returned in %s) %#v", elapsed, resp3)
}
if resp3.Index != 4 {
t.Fatalf("Bad index: %d %d", resp3.Index, 4)
}
if len(resp3.Nodes) != 1 || resp3.Nodes[0].Status != structs.NodeStatusDown {
t.Fatalf("bad: %#v", resp3.Nodes)
}
// Node delete triggers watches.
time.AfterFunc(100*time.Millisecond, func() {
if err := state.DeleteNode(5, node.ID); err != nil {
t.Fatalf("err: %v", err)
}
})
req.MinQueryIndex = 4
var resp4 structs.NodeListResponse
start = time.Now()
if err := msgpackrpc.CallWithCodec(codec, "Node.List", req, &resp4); err != nil {
t.Fatalf("err: %v", err)
}
if elapsed := time.Now().Sub(start); elapsed < 100*time.Millisecond {
t.Fatalf("should block (returned in %s) %#v", elapsed, resp4)
}
if resp4.Index != 5 {
t.Fatalf("Bad index: %d %d", resp4.Index, 5)
}
if len(resp4.Nodes) != 0 {
t.Fatalf("bad: %#v", resp4.Nodes)
}
}