610 lines
12 KiB
Go
610 lines
12 KiB
Go
package nomad
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import (
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"bytes"
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"os"
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"reflect"
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"testing"
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"time"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/state"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/raft"
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)
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type MockSink struct {
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*bytes.Buffer
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cancel bool
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}
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func (m *MockSink) ID() string {
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return "Mock"
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}
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func (m *MockSink) Cancel() error {
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m.cancel = true
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return nil
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}
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func (m *MockSink) Close() error {
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return nil
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}
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func testStateStore(t *testing.T) *state.StateStore {
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state, err := state.NewStateStore(os.Stderr)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if state == nil {
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t.Fatalf("missing state")
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}
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return state
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}
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func testFSM(t *testing.T) *nomadFSM {
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fsm, err := NewFSM(testBroker(t, 0), os.Stderr)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if fsm == nil {
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t.Fatalf("missing fsm")
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}
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return fsm
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}
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func makeLog(buf []byte) *raft.Log {
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return &raft.Log{
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Index: 1,
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Term: 1,
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Type: raft.LogCommand,
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Data: buf,
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}
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}
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func TestFSM_UpsertNode(t *testing.T) {
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fsm := testFSM(t)
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req := structs.NodeRegisterRequest{
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Node: mock.Node(),
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}
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buf, err := structs.Encode(structs.NodeRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are registered
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node, err := fsm.State().NodeByID(req.Node.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if node == nil {
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t.Fatalf("not found!")
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}
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if node.CreateIndex != 1 {
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t.Fatalf("bad index: %d", node.CreateIndex)
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}
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tt := fsm.TimeTable()
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index := tt.NearestIndex(time.Now().UTC())
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if index != 1 {
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t.Fatalf("bad: %d", index)
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}
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}
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func TestFSM_DeregisterNode(t *testing.T) {
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fsm := testFSM(t)
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node := mock.Node()
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req := structs.NodeRegisterRequest{
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Node: node,
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}
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buf, err := structs.Encode(structs.NodeRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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req2 := structs.NodeDeregisterRequest{
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NodeID: node.ID,
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}
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buf, err = structs.Encode(structs.NodeDeregisterRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are NOT registered
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node, err = fsm.State().NodeByID(req.Node.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if node != nil {
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t.Fatalf("node found!")
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}
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}
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func TestFSM_UpdateNodeStatus(t *testing.T) {
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fsm := testFSM(t)
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node := mock.Node()
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req := structs.NodeRegisterRequest{
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Node: node,
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}
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buf, err := structs.Encode(structs.NodeRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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req2 := structs.NodeUpdateStatusRequest{
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NodeID: node.ID,
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Status: structs.NodeStatusReady,
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}
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buf, err = structs.Encode(structs.NodeUpdateStatusRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are NOT registered
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node, err = fsm.State().NodeByID(req.Node.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if node.Status != structs.NodeStatusReady {
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t.Fatalf("bad node: %#v", node)
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}
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}
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func TestFSM_UpdateNodeDrain(t *testing.T) {
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fsm := testFSM(t)
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node := mock.Node()
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req := structs.NodeRegisterRequest{
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Node: node,
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}
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buf, err := structs.Encode(structs.NodeRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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req2 := structs.NodeUpdateDrainRequest{
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NodeID: node.ID,
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Drain: true,
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}
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buf, err = structs.Encode(structs.NodeUpdateDrainRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are NOT registered
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node, err = fsm.State().NodeByID(req.Node.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !node.Drain {
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t.Fatalf("bad node: %#v", node)
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}
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}
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func TestFSM_RegisterJob(t *testing.T) {
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fsm := testFSM(t)
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req := structs.JobRegisterRequest{
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Job: mock.Job(),
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}
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buf, err := structs.Encode(structs.JobRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are registered
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job, err := fsm.State().JobByID(req.Job.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if job == nil {
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t.Fatalf("not found!")
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}
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if job.CreateIndex != 1 {
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t.Fatalf("bad index: %d", job.CreateIndex)
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}
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}
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func TestFSM_DeregisterJob(t *testing.T) {
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fsm := testFSM(t)
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job := mock.Job()
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req := structs.JobRegisterRequest{
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Job: job,
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}
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buf, err := structs.Encode(structs.JobRegisterRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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req2 := structs.JobDeregisterRequest{
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JobID: job.ID,
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}
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buf, err = structs.Encode(structs.JobDeregisterRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are NOT registered
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job, err = fsm.State().JobByID(req.Job.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if job != nil {
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t.Fatalf("job found!")
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}
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}
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func TestFSM_UpdateEval(t *testing.T) {
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fsm := testFSM(t)
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fsm.evalBroker.SetEnabled(true)
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req := structs.EvalUpdateRequest{
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Evals: []*structs.Evaluation{mock.Eval()},
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}
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buf, err := structs.Encode(structs.EvalUpdateRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are registered
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eval, err := fsm.State().EvalByID(req.Evals[0].ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if eval == nil {
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t.Fatalf("not found!")
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}
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if eval.CreateIndex != 1 {
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t.Fatalf("bad index: %d", eval.CreateIndex)
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}
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// Verify enqueued
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stats := fsm.evalBroker.Stats()
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if stats.TotalReady != 1 {
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t.Fatalf("bad: %#v %#v", stats, eval)
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}
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}
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func TestFSM_DeleteEval(t *testing.T) {
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fsm := testFSM(t)
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eval := mock.Eval()
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req := structs.EvalUpdateRequest{
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Evals: []*structs.Evaluation{eval},
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}
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buf, err := structs.Encode(structs.EvalUpdateRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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req2 := structs.EvalDeleteRequest{
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Evals: []string{eval.ID},
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}
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buf, err = structs.Encode(structs.EvalDeleteRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are NOT registered
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eval, err = fsm.State().EvalByID(req.Evals[0].ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if eval != nil {
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t.Fatalf("eval found!")
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}
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}
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func TestFSM_UpsertAllocs(t *testing.T) {
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fsm := testFSM(t)
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alloc := mock.Alloc()
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req := structs.AllocUpdateRequest{
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Alloc: []*structs.Allocation{alloc},
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}
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buf, err := structs.Encode(structs.AllocUpdateRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are registered
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out, err := fsm.State().AllocByID(alloc.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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alloc.CreateIndex = out.CreateIndex
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alloc.ModifyIndex = out.ModifyIndex
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if !reflect.DeepEqual(alloc, out) {
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t.Fatalf("bad: %#v %#v", alloc, out)
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}
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evictAlloc := new(structs.Allocation)
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*evictAlloc = *alloc
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evictAlloc.DesiredStatus = structs.AllocDesiredStatusEvict
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req2 := structs.AllocUpdateRequest{
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Alloc: []*structs.Allocation{evictAlloc},
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}
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buf, err = structs.Encode(structs.AllocUpdateRequestType, req2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp = fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are evicted
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out, err = fsm.State().AllocByID(alloc.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if out.DesiredStatus != structs.AllocDesiredStatusEvict {
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t.Fatalf("alloc found!")
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}
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}
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func TestFSM_UpdateAllocFromClient(t *testing.T) {
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fsm := testFSM(t)
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state := fsm.State()
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alloc := mock.Alloc()
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state.UpsertAllocs(1, []*structs.Allocation{alloc})
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clientAlloc := new(structs.Allocation)
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*clientAlloc = *alloc
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clientAlloc.ClientStatus = structs.AllocClientStatusFailed
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req := structs.AllocUpdateRequest{
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Alloc: []*structs.Allocation{clientAlloc},
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}
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buf, err := structs.Encode(structs.AllocClientUpdateRequestType, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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resp := fsm.Apply(makeLog(buf))
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if resp != nil {
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t.Fatalf("resp: %v", resp)
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}
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// Verify we are registered
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out, err := fsm.State().AllocByID(alloc.ID)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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clientAlloc.CreateIndex = out.CreateIndex
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clientAlloc.ModifyIndex = out.ModifyIndex
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if !reflect.DeepEqual(clientAlloc, out) {
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t.Fatalf("bad: %#v %#v", clientAlloc, out)
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}
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}
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func testSnapshotRestore(t *testing.T, fsm *nomadFSM) *nomadFSM {
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// Snapshot
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snap, err := fsm.Snapshot()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer snap.Release()
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// Persist
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buf := bytes.NewBuffer(nil)
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sink := &MockSink{buf, false}
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if err := snap.Persist(sink); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Try to restore on a new FSM
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fsm2 := testFSM(t)
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// Do a restore
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if err := fsm2.Restore(sink); err != nil {
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t.Fatalf("err: %v", err)
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}
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return fsm2
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}
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func TestFSM_SnapshotRestore_Nodes(t *testing.T) {
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// Add some state
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fsm := testFSM(t)
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state := fsm.State()
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node1 := mock.Node()
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state.UpsertNode(1000, node1)
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node2 := mock.Node()
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state.UpsertNode(1001, node2)
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// Verify the contents
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fsm2 := testSnapshotRestore(t, fsm)
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state2 := fsm2.State()
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out1, _ := state2.NodeByID(node1.ID)
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out2, _ := state2.NodeByID(node2.ID)
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if !reflect.DeepEqual(node1, out1) {
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t.Fatalf("bad: \n%#v\n%#v", out1, node1)
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}
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if !reflect.DeepEqual(node2, out2) {
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t.Fatalf("bad: \n%#v\n%#v", out2, node2)
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}
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}
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func TestFSM_SnapshotRestore_Jobs(t *testing.T) {
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// Add some state
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fsm := testFSM(t)
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state := fsm.State()
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job1 := mock.Job()
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state.UpsertJob(1000, job1)
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job2 := mock.Job()
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state.UpsertJob(1001, job2)
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// Verify the contents
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fsm2 := testSnapshotRestore(t, fsm)
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state2 := fsm2.State()
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out1, _ := state2.JobByID(job1.ID)
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out2, _ := state2.JobByID(job2.ID)
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if !reflect.DeepEqual(job1, out1) {
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t.Fatalf("bad: \n%#v\n%#v", out1, job1)
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}
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if !reflect.DeepEqual(job2, out2) {
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t.Fatalf("bad: \n%#v\n%#v", out2, job2)
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}
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}
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func TestFSM_SnapshotRestore_Evals(t *testing.T) {
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// Add some state
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fsm := testFSM(t)
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state := fsm.State()
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eval1 := mock.Eval()
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state.UpsertEvals(1000, []*structs.Evaluation{eval1})
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eval2 := mock.Eval()
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state.UpsertEvals(1001, []*structs.Evaluation{eval2})
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// Verify the contents
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fsm2 := testSnapshotRestore(t, fsm)
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state2 := fsm2.State()
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out1, _ := state2.EvalByID(eval1.ID)
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out2, _ := state2.EvalByID(eval2.ID)
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if !reflect.DeepEqual(eval1, out1) {
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t.Fatalf("bad: \n%#v\n%#v", out1, eval1)
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}
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if !reflect.DeepEqual(eval2, out2) {
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t.Fatalf("bad: \n%#v\n%#v", out2, eval2)
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}
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}
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func TestFSM_SnapshotRestore_Allocs(t *testing.T) {
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// Add some state
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fsm := testFSM(t)
|
|
state := fsm.State()
|
|
alloc1 := mock.Alloc()
|
|
state.UpsertAllocs(1000, []*structs.Allocation{alloc1})
|
|
alloc2 := mock.Alloc()
|
|
state.UpsertAllocs(1001, []*structs.Allocation{alloc2})
|
|
|
|
// Verify the contents
|
|
fsm2 := testSnapshotRestore(t, fsm)
|
|
state2 := fsm2.State()
|
|
out1, _ := state2.AllocByID(alloc1.ID)
|
|
out2, _ := state2.AllocByID(alloc2.ID)
|
|
if !reflect.DeepEqual(alloc1, out1) {
|
|
t.Fatalf("bad: \n%#v\n%#v", out1, alloc1)
|
|
}
|
|
if !reflect.DeepEqual(alloc2, out2) {
|
|
t.Fatalf("bad: \n%#v\n%#v", out2, alloc2)
|
|
}
|
|
}
|
|
|
|
func TestFSM_SnapshotRestore_Indexes(t *testing.T) {
|
|
// Add some state
|
|
fsm := testFSM(t)
|
|
state := fsm.State()
|
|
node1 := mock.Node()
|
|
state.UpsertNode(1000, node1)
|
|
|
|
// Verify the contents
|
|
fsm2 := testSnapshotRestore(t, fsm)
|
|
state2 := fsm2.State()
|
|
|
|
index, err := state2.Index("nodes")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if index != 1000 {
|
|
t.Fatalf("bad: %d", index)
|
|
}
|
|
}
|
|
|
|
func TestFSM_SnapshotRestore_TimeTable(t *testing.T) {
|
|
// Add some state
|
|
fsm := testFSM(t)
|
|
|
|
tt := fsm.TimeTable()
|
|
start := time.Now().UTC()
|
|
tt.Witness(1000, start)
|
|
tt.Witness(2000, start.Add(10*time.Minute))
|
|
|
|
// Verify the contents
|
|
fsm2 := testSnapshotRestore(t, fsm)
|
|
|
|
tt2 := fsm2.TimeTable()
|
|
if tt2.NearestTime(1500) != start {
|
|
t.Fatalf("bad")
|
|
}
|
|
if tt2.NearestIndex(start.Add(15*time.Minute)) != 2000 {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|