663 lines
15 KiB
Go
663 lines
15 KiB
Go
package nomad
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import (
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"reflect"
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"testing"
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memdb "github.com/hashicorp/go-memdb"
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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/hashicorp/raft"
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)
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const (
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// workerPoolSize is the size of the worker pool
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workerPoolSize = 2
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)
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// planWaitFuture is used to wait for the Raft future to complete
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func planWaitFuture(future raft.ApplyFuture) (uint64, error) {
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if err := future.Error(); err != nil {
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return 0, err
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}
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return future.Index(), nil
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}
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func testRegisterNode(t *testing.T, s *Server, n *structs.Node) {
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// Create the register request
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req := &structs.NodeRegisterRequest{
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Node: n,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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// Fetch the response
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var resp structs.NodeUpdateResponse
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if err := s.RPC("Node.Register", req, &resp); err != nil {
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t.Fatalf("err: %v", err)
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}
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if resp.Index == 0 {
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t.Fatalf("bad index: %d", resp.Index)
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}
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}
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func testRegisterJob(t *testing.T, s *Server, j *structs.Job) {
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// Create the register request
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req := &structs.JobRegisterRequest{
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Job: j,
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WriteRequest: structs.WriteRequest{Region: "global"},
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}
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// Fetch the response
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var resp structs.JobRegisterResponse
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if err := s.RPC("Job.Register", req, &resp); err != nil {
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t.Fatalf("err: %v", err)
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}
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if resp.Index == 0 {
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t.Fatalf("bad index: %d", resp.Index)
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}
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}
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func TestPlanApply_applyPlan(t *testing.T) {
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t.Parallel()
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s1 := testServer(t, nil)
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defer s1.Shutdown()
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testutil.WaitForLeader(t, s1.RPC)
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// Register ndoe
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node := mock.Node()
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testRegisterNode(t, s1, node)
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// Register a fake deployment
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oldDeployment := mock.Deployment()
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if err := s1.State().UpsertDeployment(900, oldDeployment); err != nil {
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t.Fatalf("UpsertDeployment failed: %v", err)
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}
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// Create a deployment
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dnew := mock.Deployment()
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// Create a deployment update for the old deployment id
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desiredStatus, desiredStatusDescription := "foo", "bar"
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updates := []*structs.DeploymentStatusUpdate{
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{
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DeploymentID: oldDeployment.ID,
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Status: desiredStatus,
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StatusDescription: desiredStatusDescription,
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},
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}
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// Register alloc, deployment and deployment update
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alloc := mock.Alloc()
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s1.State().UpsertJobSummary(1000, mock.JobSummary(alloc.JobID))
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planRes := &structs.PlanResult{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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},
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Deployment: dnew,
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DeploymentUpdates: updates,
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}
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// Snapshot the state
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snap, err := s1.State().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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// Create the plan with a deployment
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plan := &structs.Plan{
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Job: alloc.Job,
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Deployment: dnew,
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DeploymentUpdates: updates,
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}
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// Apply the plan
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future, err := s1.applyPlan(plan, planRes, snap)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Verify our optimistic snapshot is updated
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ws := memdb.NewWatchSet()
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if out, err := snap.AllocByID(ws, alloc.ID); err != nil || out == nil {
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t.Fatalf("bad: %v %v", out, err)
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}
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if out, err := snap.DeploymentByID(ws, plan.Deployment.ID); err != nil || out == nil {
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t.Fatalf("bad: %v %v", out, err)
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}
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// Check plan does apply cleanly
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index, err := planWaitFuture(future)
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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 index == 0 {
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t.Fatalf("bad: %d", index)
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}
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// Lookup the allocation
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fsmState := s1.fsm.State()
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out, err := fsmState.AllocByID(ws, 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 == nil {
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t.Fatalf("missing alloc")
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}
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// Lookup the new deployment
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dout, err := fsmState.DeploymentByID(ws, plan.Deployment.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 dout == nil {
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t.Fatalf("missing deployment")
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}
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// Lookup the updated deployment
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dout2, err := fsmState.DeploymentByID(ws, oldDeployment.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 dout2 == nil {
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t.Fatalf("missing deployment")
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}
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if dout2.Status != desiredStatus || dout2.StatusDescription != desiredStatusDescription {
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t.Fatalf("bad status: %#v", dout2)
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}
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// Evict alloc, Register alloc2
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allocEvict := new(structs.Allocation)
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*allocEvict = *alloc
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allocEvict.DesiredStatus = structs.AllocDesiredStatusEvict
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job := allocEvict.Job
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allocEvict.Job = nil
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alloc2 := mock.Alloc()
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s1.State().UpsertJobSummary(1500, mock.JobSummary(alloc2.JobID))
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planRes = &structs.PlanResult{
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NodeUpdate: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{allocEvict},
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},
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc2},
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},
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}
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// Snapshot the state
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snap, err = s1.State().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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// Apply the plan
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plan = &structs.Plan{
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Job: job,
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}
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future, err = s1.applyPlan(plan, planRes, snap)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Check that our optimistic view is updated
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if out, _ := snap.AllocByID(ws, allocEvict.ID); out.DesiredStatus != structs.AllocDesiredStatusEvict {
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t.Fatalf("bad: %#v", out)
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}
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// Verify plan applies cleanly
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index, err = planWaitFuture(future)
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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 index == 0 {
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t.Fatalf("bad: %d", index)
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}
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// Lookup the allocation
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out, err = s1.fsm.State().AllocByID(ws, 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("should be evicted alloc: %#v", out)
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}
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if out.Job == nil {
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t.Fatalf("missing job")
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}
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// Lookup the allocation
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out, err = s1.fsm.State().AllocByID(ws, alloc2.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 == nil {
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t.Fatalf("missing alloc")
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}
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if out.Job == nil {
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t.Fatalf("missing job")
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}
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}
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func TestPlanApply_EvalPlan_Simple(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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state.UpsertNode(1000, node)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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},
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Deployment: mock.Deployment(),
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DeploymentUpdates: []*structs.DeploymentStatusUpdate{
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{
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DeploymentID: structs.GenerateUUID(),
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Status: "foo",
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StatusDescription: "bar",
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},
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},
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}
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pool := NewEvaluatePool(workerPoolSize, workerPoolBufferSize)
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defer pool.Shutdown()
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result, err := evaluatePlan(pool, snap, plan, testLogger())
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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 result == nil {
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t.Fatalf("missing result")
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}
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if !reflect.DeepEqual(result.NodeAllocation, plan.NodeAllocation) {
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t.Fatalf("incorrect node allocations")
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}
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if !reflect.DeepEqual(result.Deployment, plan.Deployment) {
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t.Fatalf("incorrect deployment")
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}
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if !reflect.DeepEqual(result.DeploymentUpdates, plan.DeploymentUpdates) {
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t.Fatalf("incorrect deployment updates")
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}
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}
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func TestPlanApply_EvalPlan_Partial(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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state.UpsertNode(1000, node)
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node2 := mock.Node()
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state.UpsertNode(1001, node2)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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alloc2 := mock.Alloc() // Ensure alloc2 does not fit
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alloc2.Resources = node2.Resources
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// Create a deployment where the allocs are markeda as canaries
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d := mock.Deployment()
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d.TaskGroups["web"].PlacedCanaries = []string{alloc.ID, alloc2.ID}
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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node2.ID: []*structs.Allocation{alloc2},
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},
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Deployment: d,
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}
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pool := NewEvaluatePool(workerPoolSize, workerPoolBufferSize)
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defer pool.Shutdown()
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result, err := evaluatePlan(pool, snap, plan, testLogger())
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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 result == nil {
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t.Fatalf("missing result")
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}
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if _, ok := result.NodeAllocation[node.ID]; !ok {
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t.Fatalf("should allow alloc")
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}
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if _, ok := result.NodeAllocation[node2.ID]; ok {
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t.Fatalf("should not allow alloc2")
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}
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// Check the deployment was updated
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if result.Deployment == nil || len(result.Deployment.TaskGroups) == 0 {
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t.Fatalf("bad: %v", result.Deployment)
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}
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placedCanaries := result.Deployment.TaskGroups["web"].PlacedCanaries
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if len(placedCanaries) != 1 || placedCanaries[0] != alloc.ID {
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t.Fatalf("bad: %v", placedCanaries)
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}
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if result.RefreshIndex != 1001 {
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t.Fatalf("bad: %d", result.RefreshIndex)
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}
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}
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func TestPlanApply_EvalPlan_Partial_AllAtOnce(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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state.UpsertNode(1000, node)
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node2 := mock.Node()
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state.UpsertNode(1001, node2)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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alloc2 := mock.Alloc() // Ensure alloc2 does not fit
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alloc2.Resources = node2.Resources
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plan := &structs.Plan{
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AllAtOnce: true, // Require all to make progress
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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node2.ID: []*structs.Allocation{alloc2},
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},
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Deployment: mock.Deployment(),
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DeploymentUpdates: []*structs.DeploymentStatusUpdate{
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{
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DeploymentID: structs.GenerateUUID(),
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Status: "foo",
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StatusDescription: "bar",
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},
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},
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}
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pool := NewEvaluatePool(workerPoolSize, workerPoolBufferSize)
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defer pool.Shutdown()
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result, err := evaluatePlan(pool, snap, plan, testLogger())
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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 result == nil {
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t.Fatalf("missing result")
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}
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if len(result.NodeAllocation) != 0 {
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t.Fatalf("should not alloc: %v", result.NodeAllocation)
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}
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if result.RefreshIndex != 1001 {
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t.Fatalf("bad: %d", result.RefreshIndex)
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}
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if result.Deployment != nil || len(result.DeploymentUpdates) != 0 {
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t.Fatalf("bad: %v", result)
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}
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}
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func TestPlanApply_EvalNodePlan_Simple(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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state.UpsertNode(1000, node)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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},
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}
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fit, reason, err := evaluateNodePlan(snap, plan, 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 !fit {
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t.Fatalf("bad")
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}
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if reason != "" {
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t.Fatalf("bad")
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}
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}
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func TestPlanApply_EvalNodePlan_NodeNotReady(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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node.Status = structs.NodeStatusInit
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state.UpsertNode(1000, node)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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},
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}
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fit, reason, err := evaluateNodePlan(snap, plan, 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 fit {
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t.Fatalf("bad")
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}
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if reason == "" {
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t.Fatalf("bad")
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}
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}
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func TestPlanApply_EvalNodePlan_NodeDrain(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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node := mock.Node()
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node.Drain = true
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state.UpsertNode(1000, node)
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snap, _ := state.Snapshot()
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alloc := mock.Alloc()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc},
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},
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}
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fit, reason, err := evaluateNodePlan(snap, plan, 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 fit {
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t.Fatalf("bad")
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}
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if reason == "" {
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t.Fatalf("bad")
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}
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}
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func TestPlanApply_EvalNodePlan_NodeNotExist(t *testing.T) {
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t.Parallel()
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state := testStateStore(t)
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snap, _ := state.Snapshot()
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nodeID := "12345678-abcd-efab-cdef-123456789abc"
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alloc := mock.Alloc()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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nodeID: []*structs.Allocation{alloc},
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},
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}
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fit, reason, err := evaluateNodePlan(snap, plan, nodeID)
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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 fit {
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t.Fatalf("bad")
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}
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if reason == "" {
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t.Fatalf("bad")
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}
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}
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func TestPlanApply_EvalNodePlan_NodeFull(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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state := testStateStore(t)
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node := mock.Node()
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alloc.NodeID = node.ID
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node.Resources = alloc.Resources
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node.Reserved = nil
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state.UpsertJobSummary(999, mock.JobSummary(alloc.JobID))
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state.UpsertNode(1000, node)
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state.UpsertAllocs(1001, []*structs.Allocation{alloc})
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alloc2 := mock.Alloc()
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alloc2.NodeID = node.ID
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state.UpsertJobSummary(1200, mock.JobSummary(alloc2.JobID))
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snap, _ := state.Snapshot()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: []*structs.Allocation{alloc2},
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},
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}
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fit, reason, err := evaluateNodePlan(snap, plan, 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 fit {
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t.Fatalf("bad")
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}
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if reason == "" {
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t.Fatalf("bad")
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}
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}
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func TestPlanApply_EvalNodePlan_UpdateExisting(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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state := testStateStore(t)
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node := mock.Node()
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alloc.NodeID = node.ID
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node.Resources = alloc.Resources
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node.Reserved = nil
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state.UpsertNode(1000, node)
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state.UpsertAllocs(1001, []*structs.Allocation{alloc})
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snap, _ := state.Snapshot()
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plan := &structs.Plan{
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NodeAllocation: map[string][]*structs.Allocation{
|
|
node.ID: []*structs.Allocation{alloc},
|
|
},
|
|
}
|
|
|
|
fit, reason, err := evaluateNodePlan(snap, plan, node.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if !fit {
|
|
t.Fatalf("bad")
|
|
}
|
|
if reason != "" {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|
|
|
|
func TestPlanApply_EvalNodePlan_NodeFull_Evict(t *testing.T) {
|
|
t.Parallel()
|
|
alloc := mock.Alloc()
|
|
state := testStateStore(t)
|
|
node := mock.Node()
|
|
alloc.NodeID = node.ID
|
|
node.Resources = alloc.Resources
|
|
node.Reserved = nil
|
|
state.UpsertNode(1000, node)
|
|
state.UpsertAllocs(1001, []*structs.Allocation{alloc})
|
|
snap, _ := state.Snapshot()
|
|
|
|
allocEvict := new(structs.Allocation)
|
|
*allocEvict = *alloc
|
|
allocEvict.DesiredStatus = structs.AllocDesiredStatusEvict
|
|
alloc2 := mock.Alloc()
|
|
plan := &structs.Plan{
|
|
NodeUpdate: map[string][]*structs.Allocation{
|
|
node.ID: []*structs.Allocation{allocEvict},
|
|
},
|
|
NodeAllocation: map[string][]*structs.Allocation{
|
|
node.ID: []*structs.Allocation{alloc2},
|
|
},
|
|
}
|
|
|
|
fit, reason, err := evaluateNodePlan(snap, plan, node.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if !fit {
|
|
t.Fatalf("bad")
|
|
}
|
|
if reason != "" {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|
|
|
|
func TestPlanApply_EvalNodePlan_NodeFull_AllocEvict(t *testing.T) {
|
|
t.Parallel()
|
|
alloc := mock.Alloc()
|
|
state := testStateStore(t)
|
|
node := mock.Node()
|
|
alloc.NodeID = node.ID
|
|
alloc.DesiredStatus = structs.AllocDesiredStatusEvict
|
|
node.Resources = alloc.Resources
|
|
node.Reserved = nil
|
|
state.UpsertNode(1000, node)
|
|
state.UpsertAllocs(1001, []*structs.Allocation{alloc})
|
|
snap, _ := state.Snapshot()
|
|
|
|
alloc2 := mock.Alloc()
|
|
plan := &structs.Plan{
|
|
NodeAllocation: map[string][]*structs.Allocation{
|
|
node.ID: []*structs.Allocation{alloc2},
|
|
},
|
|
}
|
|
|
|
fit, reason, err := evaluateNodePlan(snap, plan, node.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if !fit {
|
|
t.Fatalf("bad")
|
|
}
|
|
if reason != "" {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|
|
|
|
func TestPlanApply_EvalNodePlan_NodeDown_EvictOnly(t *testing.T) {
|
|
t.Parallel()
|
|
alloc := mock.Alloc()
|
|
state := testStateStore(t)
|
|
node := mock.Node()
|
|
alloc.NodeID = node.ID
|
|
node.Resources = alloc.Resources
|
|
node.Reserved = nil
|
|
node.Status = structs.NodeStatusDown
|
|
state.UpsertNode(1000, node)
|
|
state.UpsertAllocs(1001, []*structs.Allocation{alloc})
|
|
snap, _ := state.Snapshot()
|
|
|
|
allocEvict := new(structs.Allocation)
|
|
*allocEvict = *alloc
|
|
allocEvict.DesiredStatus = structs.AllocDesiredStatusEvict
|
|
plan := &structs.Plan{
|
|
NodeUpdate: map[string][]*structs.Allocation{
|
|
node.ID: []*structs.Allocation{allocEvict},
|
|
},
|
|
}
|
|
|
|
fit, reason, err := evaluateNodePlan(snap, plan, node.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if !fit {
|
|
t.Fatalf("bad")
|
|
}
|
|
if reason != "" {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|