b63944b5c1
Bumping compile time requirement to go 1.18 allows us to simplify our pointer helper methods.
307 lines
8.8 KiB
Go
307 lines
8.8 KiB
Go
package e2eutil
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import (
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"fmt"
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"os"
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"testing"
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"time"
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api "github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/helper/pointer"
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"github.com/hashicorp/nomad/jobspec2"
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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/kr/pretty"
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"github.com/stretchr/testify/require"
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)
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// retries is used to control how many times to retry checking if the cluster has a leader yet
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const retries = 500
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func WaitForLeader(t *testing.T, nomadClient *api.Client) {
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statusAPI := nomadClient.Status()
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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leader, err := statusAPI.Leader()
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return leader != "", err
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}, func(err error) {
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require.NoError(t, err, "failed to find leader")
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})
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}
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// WaitForNodesReady waits until at least `nodes` number of nodes are ready or
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// fails the test.
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func WaitForNodesReady(t *testing.T, nomadClient *api.Client, nodes int) {
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nodesAPI := nomadClient.Nodes()
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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defer time.Sleep(time.Millisecond * 100)
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nodesList, _, err := nodesAPI.List(nil)
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if err != nil {
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return false, fmt.Errorf("error listing nodes: %v", err)
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}
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eligibleNodes := 0
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for _, node := range nodesList {
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if node.Status == "ready" {
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eligibleNodes++
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}
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}
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return eligibleNodes >= nodes, fmt.Errorf("only %d nodes ready (wanted at least %d)", eligibleNodes, nodes)
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}, func(err error) {
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require.NoError(t, err, "failed to get enough ready nodes")
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})
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}
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func stringToPtrOrNil(s string) *string {
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if s == "" {
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return nil
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}
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return pointer.Of(s)
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}
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func Parse2(t *testing.T, jobFile string) (*api.Job, error) {
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f, err := os.Open(jobFile)
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require.NoError(t, err)
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return jobspec2.Parse(jobFile, f)
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}
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func RegisterAllocs(t *testing.T, nomadClient *api.Client, jobFile, jobID, cToken string) []*api.AllocationListStub {
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// Parse job
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job, err := Parse2(t, jobFile)
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require.NoError(t, err)
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// Set custom job ID (distinguish among tests)
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job.ID = pointer.Of(jobID)
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// Set a Consul "operator" token for the job, if provided.
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job.ConsulToken = stringToPtrOrNil(cToken)
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// Register job
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var idx uint64
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jobs := nomadClient.Jobs()
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testutil.WaitForResult(func() (bool, error) {
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resp, meta, err := jobs.Register(job, nil)
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if err != nil {
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return false, err
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}
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idx = meta.LastIndex
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return resp.EvalID != "", fmt.Errorf("expected EvalID:%s", pretty.Sprint(resp))
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}, func(err error) {
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require.NoError(t, err)
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})
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allocs, _, err := jobs.Allocations(jobID, false, &api.QueryOptions{WaitIndex: idx})
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require.NoError(t, err)
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return allocs
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}
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// RegisterAndWaitForAllocs wraps RegisterAllocs but blocks until Evals
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// successfully create Allocs.
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func RegisterAndWaitForAllocs(t *testing.T, nomadClient *api.Client, jobFile, jobID, cToken string) []*api.AllocationListStub {
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jobs := nomadClient.Jobs()
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// Start allocations
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RegisterAllocs(t, nomadClient, jobFile, jobID, cToken)
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var err error
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allocs := []*api.AllocationListStub{}
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evals := []*api.Evaluation{}
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// Wrap in retry to wait until placement
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Second)
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allocs, _, err = jobs.Allocations(jobID, false, nil)
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if len(allocs) == 0 {
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evals, _, err = nomadClient.Jobs().Evaluations(jobID, nil)
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return false, fmt.Errorf("no allocations for job %v", jobID)
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}
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return true, nil
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}, func(e error) {
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msg := fmt.Sprintf("allocations not placed for %s", jobID)
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for _, eval := range evals {
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msg += fmt.Sprintf("\n %s - %s", eval.Status, eval.StatusDescription)
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}
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require.Fail(t, msg, "full evals: %v", pretty.Sprint(evals))
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})
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require.NoError(t, err) // we only care about the last error
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return allocs
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}
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func WaitForAllocRunning(t *testing.T, nomadClient *api.Client, allocID string) {
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t.Helper()
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
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if err != nil {
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return false, err
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}
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return alloc.ClientStatus == structs.AllocClientStatusRunning, fmt.Errorf("expected status running, but was: %s\n%v", alloc.ClientStatus, pretty.Sprint(alloc))
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}, func(err error) {
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require.NoError(t, err, "failed to wait on alloc")
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})
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}
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func WaitForAllocTaskRunning(t *testing.T, nomadClient *api.Client, allocID, task string) {
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
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if err != nil {
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return false, err
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}
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state := "n/a"
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if task := alloc.TaskStates[task]; task != nil {
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state = task.State
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}
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return state == structs.AllocClientStatusRunning, fmt.Errorf("expected status running, but was: %s", state)
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}, func(err error) {
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t.Fatalf("failed to wait on alloc: %v", err)
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})
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}
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func WaitForAllocsRunning(t *testing.T, nomadClient *api.Client, allocIDs []string) {
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for _, allocID := range allocIDs {
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WaitForAllocRunning(t, nomadClient, allocID)
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}
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}
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func WaitForAllocsNotPending(t *testing.T, nomadClient *api.Client, allocIDs []string) {
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for _, allocID := range allocIDs {
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WaitForAllocNotPending(t, nomadClient, allocID)
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}
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}
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func WaitForAllocNotPending(t *testing.T, nomadClient *api.Client, allocID string) {
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
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if err != nil {
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return false, err
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}
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return alloc.ClientStatus != structs.AllocClientStatusPending, fmt.Errorf("expected status not pending, but was: %s", alloc.ClientStatus)
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}, func(err error) {
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require.NoError(t, err, "failed to wait on alloc")
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})
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}
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// WaitForJobStopped stops a job and waits for all of its allocs to terminate.
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func WaitForJobStopped(t *testing.T, nomadClient *api.Client, job string) {
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allocs, _, err := nomadClient.Jobs().Allocations(job, true, nil)
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require.NoError(t, err, "error getting allocations for job %q", job)
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ids := AllocIDsFromAllocationListStubs(allocs)
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_, _, err = nomadClient.Jobs().Deregister(job, true, nil)
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require.NoError(t, err, "error deregistering job %q", job)
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for _, id := range ids {
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WaitForAllocStopped(t, nomadClient, id)
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}
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}
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func WaitForAllocsStopped(t *testing.T, nomadClient *api.Client, allocIDs []string) {
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for _, allocID := range allocIDs {
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WaitForAllocStopped(t, nomadClient, allocID)
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}
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}
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func WaitForAllocStopped(t *testing.T, nomadClient *api.Client, allocID string) {
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
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if err != nil {
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return false, err
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}
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switch alloc.ClientStatus {
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case structs.AllocClientStatusComplete:
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return true, nil
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case structs.AllocClientStatusFailed:
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return true, nil
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case structs.AllocClientStatusLost:
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return true, nil
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default:
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return false, fmt.Errorf("expected stopped alloc, but was: %s",
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alloc.ClientStatus)
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}
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}, func(err error) {
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require.NoError(t, err, "failed to wait on alloc")
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})
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}
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func WaitForAllocStatus(t *testing.T, nomadClient *api.Client, allocID string, status string) {
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
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if err != nil {
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return false, err
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}
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switch alloc.ClientStatus {
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case status:
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return true, nil
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default:
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return false, fmt.Errorf("expected %s alloc, but was: %s", status, alloc.ClientStatus)
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}
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}, func(err error) {
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t.Fatalf("failed to wait on alloc: %v", err)
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})
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}
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func WaitForAllocsStatus(t *testing.T, nomadClient *api.Client, allocIDs []string, status string) {
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for _, allocID := range allocIDs {
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WaitForAllocStatus(t, nomadClient, allocID, status)
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}
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}
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func AllocIDsFromAllocationListStubs(allocs []*api.AllocationListStub) []string {
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allocIDs := make([]string, 0, len(allocs))
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for _, alloc := range allocs {
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allocIDs = append(allocIDs, alloc.ID)
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}
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return allocIDs
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}
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func DeploymentsForJob(t *testing.T, nomadClient *api.Client, jobID string) []*api.Deployment {
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ds, _, err := nomadClient.Deployments().List(nil)
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require.NoError(t, err)
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out := []*api.Deployment{}
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for _, d := range ds {
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if d.JobID == jobID {
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out = append(out, d)
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}
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}
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return out
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}
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func WaitForDeployment(t *testing.T, nomadClient *api.Client, deployID string, status string, statusDesc string) {
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testutil.WaitForResultRetries(retries, func() (bool, error) {
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time.Sleep(time.Millisecond * 100)
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deploy, _, err := nomadClient.Deployments().Info(deployID, nil)
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if err != nil {
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return false, err
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}
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if deploy.Status == status && deploy.StatusDescription == statusDesc {
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return true, nil
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}
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return false, fmt.Errorf("expected status %s \"%s\", but got: %s \"%s\"",
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status,
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statusDesc,
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deploy.Status,
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deploy.StatusDescription,
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)
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}, func(err error) {
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require.NoError(t, err, "failed to wait on deployment")
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})
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}
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