open-nomad/nomad/client_endpoint_test.go

562 lines
14 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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.GetNodeByID(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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Deregister
dereg := &structs.NodeDeregisterRequest{
NodeID: node.ID,
WriteRequest: structs.WriteRequest{Region: "region1"},
}
var resp2 structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.GetNodeByID(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: "region1"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Check for heartbeat interval
ttl := resp.HeartbeatTTL
if ttl < minHeartbeatTTL || ttl > 2*minHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Update the status
dereg := &structs.NodeUpdateStatusRequest{
NodeID: node.ID,
Status: structs.NodeStatusMaint,
WriteRequest: structs.WriteRequest{Region: "region1"},
}
var resp2 structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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 < minHeartbeatTTL || ttl > 2*minHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Check for the node in the FSM
state := s1.fsm.State()
out, err := state.GetNodeByID(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: "region1"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.Register", reg, &resp); err != nil {
t.Fatalf("err: %v", err)
}
// Check for heartbeat interval
ttl := resp.HeartbeatTTL
if ttl < minHeartbeatTTL || ttl > 2*minHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
// Update the status, static state
dereg := &structs.NodeUpdateStatusRequest{
NodeID: node.ID,
Status: node.Status,
WriteRequest: structs.WriteRequest{Region: "region1"},
}
var resp2 structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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 < minHeartbeatTTL || ttl > 2*minHeartbeatTTL {
t.Fatalf("bad: %#v", ttl)
}
}
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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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: "region1"},
}
var resp2 structs.SingleNodeResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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, "Client.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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.UpdateAllocations(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: "region1"},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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, "Client.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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.UpdateAllocations(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: "region1",
MinQueryIndex: 50,
MaxQueryTime: time.Second,
},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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: "region1"},
}
// Fetch the response
var resp structs.GenericResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.UpdateAllocations(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: "region1"},
}
var resp2 structs.NodeAllocsResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.GetAllocByID(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()
err := state.UpdateAllocations(1, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
// Create some evaluations
ids, index, err := s1.endpoints.Client.createNodeEvals(alloc.NodeID, 1)
if err != nil {
t.Fatalf("err: %v", err)
}
if index == 0 {
t.Fatalf("bad: %d", index)
}
if len(ids) != 1 {
t.Fatalf("bad: %s", ids)
}
// Lookup the evaluation
eval, err := state.GetEvalByID(ids[0])
if err != nil {
t.Fatalf("err: %v", err)
}
if eval == nil {
t.Fatalf("expected eval")
}
if eval.CreateIndex != 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_Evaluate(t *testing.T) {
s1 := testServer(t, nil)
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.RegisterNode(1, node)
if err != nil {
t.Fatalf("err: %v", err)
}
err = state.UpdateAllocations(2, []*structs.Allocation{alloc})
if err != nil {
t.Fatalf("err: %v", err)
}
// Re-evaluate
req := &structs.NodeEvaluateRequest{
NodeID: alloc.NodeID,
WriteRequest: structs.WriteRequest{Region: "region1"},
}
// Fetch the response
var resp structs.NodeUpdateResponse
if err := msgpackrpc.CallWithCodec(codec, "Client.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.GetEvalByID(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)
}
}