358 lines
9.1 KiB
Go
358 lines
9.1 KiB
Go
package command
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import (
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/mitchellh/cli"
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)
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func TestMonitor_Update_Eval(t *testing.T) {
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t.Parallel()
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ui := new(cli.MockUi)
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mon := newMonitor(ui, nil, fullId)
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// Evals triggered by jobs log
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state := &evalState{
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status: structs.EvalStatusPending,
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job: "job1",
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}
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mon.update(state)
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "job1") {
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t.Fatalf("missing job\n\n%s", out)
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}
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ui.OutputWriter.Reset()
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// Evals trigerred by nodes log
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state = &evalState{
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status: structs.EvalStatusPending,
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node: "12345678-abcd-efab-cdef-123456789abc",
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}
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mon.update(state)
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing node\n\n%s", out)
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}
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// Transition to pending should not be logged
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if strings.Contains(out, structs.EvalStatusPending) {
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t.Fatalf("should skip status\n\n%s", out)
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}
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ui.OutputWriter.Reset()
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// No logs sent if no update
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mon.update(state)
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if out := ui.OutputWriter.String(); out != "" {
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t.Fatalf("expected no output\n\n%s", out)
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}
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// Status change sends more logs
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state = &evalState{
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status: structs.EvalStatusComplete,
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node: "12345678-abcd-efab-cdef-123456789abc",
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}
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mon.update(state)
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out = ui.OutputWriter.String()
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if !strings.Contains(out, structs.EvalStatusComplete) {
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t.Fatalf("missing status\n\n%s", out)
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}
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}
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func TestMonitor_Update_Allocs(t *testing.T) {
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t.Parallel()
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ui := new(cli.MockUi)
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mon := newMonitor(ui, nil, fullId)
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// New allocations write new logs
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state := &evalState{
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allocs: map[string]*allocState{
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"alloc1": &allocState{
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id: "87654321-abcd-efab-cdef-123456789abc",
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group: "group1",
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node: "12345678-abcd-efab-cdef-123456789abc",
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desired: structs.AllocDesiredStatusRun,
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client: structs.AllocClientStatusPending,
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index: 1,
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},
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},
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}
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mon.update(state)
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// Logs were output
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing alloc\n\n%s", out)
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}
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if !strings.Contains(out, "group1") {
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t.Fatalf("missing group\n\n%s", out)
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}
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if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing node\n\n%s", out)
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}
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if !strings.Contains(out, "created") {
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t.Fatalf("missing created\n\n%s", out)
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}
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ui.OutputWriter.Reset()
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// No change yields no logs
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mon.update(state)
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if out := ui.OutputWriter.String(); out != "" {
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t.Fatalf("expected no output\n\n%s", out)
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}
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ui.OutputWriter.Reset()
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// Alloc updates cause more log lines
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state = &evalState{
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allocs: map[string]*allocState{
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"alloc1": &allocState{
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id: "87654321-abcd-efab-cdef-123456789abc",
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group: "group1",
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node: "12345678-abcd-efab-cdef-123456789abc",
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desired: structs.AllocDesiredStatusRun,
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client: structs.AllocClientStatusRunning,
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index: 2,
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},
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},
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}
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mon.update(state)
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// Updates were logged
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing alloc\n\n%s", out)
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}
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if !strings.Contains(out, "pending") {
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t.Fatalf("missing old status\n\n%s", out)
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}
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if !strings.Contains(out, "running") {
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t.Fatalf("missing new status\n\n%s", out)
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}
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}
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func TestMonitor_Update_AllocModification(t *testing.T) {
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t.Parallel()
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ui := new(cli.MockUi)
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mon := newMonitor(ui, nil, fullId)
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// New allocs with a create index lower than the
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// eval create index are logged as modifications
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state := &evalState{
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index: 2,
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allocs: map[string]*allocState{
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"alloc3": &allocState{
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id: "87654321-abcd-bafe-cdef-123456789abc",
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node: "12345678-abcd-efab-cdef-123456789abc",
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group: "group2",
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index: 1,
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},
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},
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}
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mon.update(state)
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// Modification was logged
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "87654321-abcd-bafe-cdef-123456789abc") {
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t.Fatalf("missing alloc\n\n%s", out)
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}
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if !strings.Contains(out, "group2") {
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t.Fatalf("missing group\n\n%s", out)
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}
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if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing node\n\n%s", out)
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}
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if !strings.Contains(out, "modified") {
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t.Fatalf("missing modification\n\n%s", out)
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}
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}
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func TestMonitor_Monitor(t *testing.T) {
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t.Parallel()
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srv, client, _ := testServer(t, false, nil)
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defer srv.Shutdown()
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// Create the monitor
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ui := new(cli.MockUi)
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mon := newMonitor(ui, client, fullId)
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// Submit a job - this creates a new evaluation we can monitor
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job := testJob("job1")
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resp, _, err := client.Jobs().Register(job, nil)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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// Start monitoring the eval
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var code int
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doneCh := make(chan struct{})
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go func() {
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defer close(doneCh)
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code = mon.monitor(resp.EvalID, false)
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}()
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// Wait for completion
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select {
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case <-doneCh:
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case <-time.After(5 * time.Second):
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t.Fatalf("eval monitor took too long")
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}
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// Check the return code. We should get exit code 2 as there
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// would be a scheduling problem on the test server (no clients).
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if code != 2 {
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t.Fatalf("expect exit 2, got: %d", code)
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}
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// Check the output
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out := ui.OutputWriter.String()
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if !strings.Contains(out, resp.EvalID) {
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t.Fatalf("missing eval\n\n%s", out)
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}
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if !strings.Contains(out, "finished with status") {
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t.Fatalf("missing final status\n\n%s", out)
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}
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}
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func TestMonitor_MonitorWithPrefix(t *testing.T) {
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t.Parallel()
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srv, client, _ := testServer(t, false, nil)
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defer srv.Shutdown()
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// Create the monitor
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ui := new(cli.MockUi)
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mon := newMonitor(ui, client, shortId)
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// Submit a job - this creates a new evaluation we can monitor
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job := testJob("job1")
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resp, _, err := client.Jobs().Register(job, nil)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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// Start monitoring the eval
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var code int
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doneCh := make(chan struct{})
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go func() {
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defer close(doneCh)
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code = mon.monitor(resp.EvalID[:13], true)
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}()
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// Wait for completion
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select {
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case <-doneCh:
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case <-time.After(5 * time.Second):
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t.Fatalf("eval monitor took too long")
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}
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// Check the return code. We should get exit code 2 as there
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// would be a scheduling problem on the test server (no clients).
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if code != 2 {
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t.Fatalf("expect exit 2, got: %d", code)
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}
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// Check the output
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out := ui.OutputWriter.String()
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if !strings.Contains(out, resp.EvalID[:8]) {
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t.Fatalf("missing eval\n\n%s", out)
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}
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if strings.Contains(out, resp.EvalID) {
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t.Fatalf("expected truncated eval id, got: %s", out)
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}
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if !strings.Contains(out, "finished with status") {
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t.Fatalf("missing final status\n\n%s", out)
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}
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// Fail on identifier with too few characters
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code = mon.monitor(resp.EvalID[:1], true)
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if code != 1 {
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t.Fatalf("expect exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
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t.Fatalf("expected too few characters error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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code = mon.monitor(resp.EvalID[:3], true)
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if code != 2 {
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t.Fatalf("expect exit 2, got: %d", code)
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}
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if out := ui.OutputWriter.String(); !strings.Contains(out, "Monitoring evaluation") {
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t.Fatalf("expected evaluation monitoring output, got: %s", out)
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}
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}
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func TestMonitor_DumpAllocStatus(t *testing.T) {
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t.Parallel()
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ui := new(cli.MockUi)
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// Create an allocation and dump its status to the UI
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alloc := &api.Allocation{
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ID: "87654321-abcd-efab-cdef-123456789abc",
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TaskGroup: "group1",
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ClientStatus: structs.AllocClientStatusRunning,
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Metrics: &api.AllocationMetric{
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NodesEvaluated: 10,
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NodesFiltered: 5,
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NodesExhausted: 1,
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DimensionExhausted: map[string]int{
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"cpu": 1,
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},
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ConstraintFiltered: map[string]int{
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"$attr.kernel.name = linux": 1,
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},
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ClassExhausted: map[string]int{
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"web-large": 1,
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},
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},
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}
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dumpAllocStatus(ui, alloc, fullId)
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// Check the output
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
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t.Fatalf("missing alloc\n\n%s", out)
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}
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if !strings.Contains(out, structs.AllocClientStatusRunning) {
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t.Fatalf("missing status\n\n%s", out)
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}
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if !strings.Contains(out, "5/10") {
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t.Fatalf("missing filter stats\n\n%s", out)
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}
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if !strings.Contains(
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out, `Constraint "$attr.kernel.name = linux" filtered 1 nodes`) {
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t.Fatalf("missing constraint\n\n%s", out)
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}
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if !strings.Contains(out, "Resources exhausted on 1 nodes") {
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t.Fatalf("missing resource exhaustion\n\n%s", out)
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}
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if !strings.Contains(out, `Class "web-large" exhausted on 1 nodes`) {
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t.Fatalf("missing class exhaustion\n\n%s", out)
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}
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if !strings.Contains(out, `Dimension "cpu" exhausted on 1 nodes`) {
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t.Fatalf("missing dimension exhaustion\n\n%s", out)
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}
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ui.OutputWriter.Reset()
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// Dumping alloc status with no eligible nodes adds a warning
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alloc.Metrics.NodesEvaluated = 0
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dumpAllocStatus(ui, alloc, shortId)
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// Check the output
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "No nodes were eligible") {
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t.Fatalf("missing eligibility warning\n\n%s", out)
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}
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if strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
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t.Fatalf("expected truncated id, got %s", out)
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}
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if !strings.Contains(out, "87654321") {
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t.Fatalf("expected alloc id, got %s", out)
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}
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}
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