open-nomad/command/monitor_test.go

395 lines
10 KiB
Go

package command
import (
"strings"
"testing"
"time"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/mitchellh/cli"
)
func TestMonitor_Update_Eval(t *testing.T) {
ui := new(cli.MockUi)
mon := newMonitor(ui, nil, fullId)
// Evals triggered by jobs log
state := &evalState{
status: structs.EvalStatusPending,
job: "job1",
}
mon.update(state)
out := ui.OutputWriter.String()
if !strings.Contains(out, "job1") {
t.Fatalf("missing job\n\n%s", out)
}
ui.OutputWriter.Reset()
// Evals trigerred by nodes log
state = &evalState{
status: structs.EvalStatusPending,
node: "12345678-abcd-efab-cdef-123456789abc",
}
mon.update(state)
out = ui.OutputWriter.String()
if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing node\n\n%s", out)
}
// Transition to pending should not be logged
if strings.Contains(out, structs.EvalStatusPending) {
t.Fatalf("should skip status\n\n%s", out)
}
ui.OutputWriter.Reset()
// No logs sent if no update
mon.update(state)
if out := ui.OutputWriter.String(); out != "" {
t.Fatalf("expected no output\n\n%s", out)
}
// Status change sends more logs
state = &evalState{
status: structs.EvalStatusComplete,
node: "12345678-abcd-efab-cdef-123456789abc",
}
mon.update(state)
out = ui.OutputWriter.String()
if !strings.Contains(out, structs.EvalStatusComplete) {
t.Fatalf("missing status\n\n%s", out)
}
}
func TestMonitor_Update_Allocs(t *testing.T) {
ui := new(cli.MockUi)
mon := newMonitor(ui, nil, fullId)
// New allocations write new logs
state := &evalState{
allocs: map[string]*allocState{
"alloc1": &allocState{
id: "87654321-abcd-efab-cdef-123456789abc",
group: "group1",
node: "12345678-abcd-efab-cdef-123456789abc",
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusPending,
index: 1,
},
},
}
mon.update(state)
// Logs were output
out := ui.OutputWriter.String()
if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing alloc\n\n%s", out)
}
if !strings.Contains(out, "group1") {
t.Fatalf("missing group\n\n%s", out)
}
if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing node\n\n%s", out)
}
if !strings.Contains(out, "created") {
t.Fatalf("missing created\n\n%s", out)
}
ui.OutputWriter.Reset()
// No change yields no logs
mon.update(state)
if out := ui.OutputWriter.String(); out != "" {
t.Fatalf("expected no output\n\n%s", out)
}
ui.OutputWriter.Reset()
// Alloc updates cause more log lines
state = &evalState{
allocs: map[string]*allocState{
"alloc1": &allocState{
id: "87654321-abcd-efab-cdef-123456789abc",
group: "group1",
node: "12345678-abcd-efab-cdef-123456789abc",
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusRunning,
index: 2,
},
},
}
mon.update(state)
// Updates were logged
out = ui.OutputWriter.String()
if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing alloc\n\n%s", out)
}
if !strings.Contains(out, "pending") {
t.Fatalf("missing old status\n\n%s", out)
}
if !strings.Contains(out, "running") {
t.Fatalf("missing new status\n\n%s", out)
}
}
func TestMonitor_Update_SchedulingFailure(t *testing.T) {
ui := new(cli.MockUi)
mon := newMonitor(ui, nil, shortId)
// New allocs with desired status failed warns
state := &evalState{
allocs: map[string]*allocState{
"alloc2": &allocState{
id: "87654321-dcba-efab-cdef-123456789abc",
group: "group2",
desired: structs.AllocDesiredStatusFailed,
desiredDesc: "something failed",
client: structs.AllocClientStatusFailed,
clientDesc: "client failed",
index: 1,
// Attach the full failed allocation
full: &api.Allocation{
ID: "87654321-dcba-efab-cdef-123456789abc",
TaskGroup: "group2",
ClientStatus: structs.AllocClientStatusFailed,
DesiredStatus: structs.AllocDesiredStatusFailed,
Metrics: &api.AllocationMetric{
NodesEvaluated: 3,
NodesFiltered: 3,
ConstraintFiltered: map[string]int{
"$attr.kernel.name = linux": 3,
},
},
},
},
},
}
mon.update(state)
// Scheduling failure was logged
out := ui.OutputWriter.String()
if !strings.Contains(out, "group2") {
t.Fatalf("missing group\n\n%s", out)
}
if !strings.Contains(out, "Scheduling error") {
t.Fatalf("missing failure\n\n%s", out)
}
if !strings.Contains(out, "something failed") {
t.Fatalf("missing desired desc\n\n%s", out)
}
if !strings.Contains(out, "client failed") {
t.Fatalf("missing client desc\n\n%s", out)
}
// Check that the allocation details were dumped
if !strings.Contains(out, "3/3") {
t.Fatalf("missing filter stats\n\n%s", out)
}
if !strings.Contains(out, structs.AllocDesiredStatusFailed) {
t.Fatalf("missing alloc status\n\n%s", out)
}
if !strings.Contains(out, "$attr.kernel.name = linux") {
t.Fatalf("missing constraint\n\n%s", out)
}
}
func TestMonitor_Update_AllocModification(t *testing.T) {
ui := new(cli.MockUi)
mon := newMonitor(ui, nil, fullId)
// New allocs with a create index lower than the
// eval create index are logged as modifications
state := &evalState{
index: 2,
allocs: map[string]*allocState{
"alloc3": &allocState{
id: "87654321-abcd-bafe-cdef-123456789abc",
node: "12345678-abcd-efab-cdef-123456789abc",
group: "group2",
index: 1,
},
},
}
mon.update(state)
// Modification was logged
out := ui.OutputWriter.String()
if !strings.Contains(out, "87654321-abcd-bafe-cdef-123456789abc") {
t.Fatalf("missing alloc\n\n%s", out)
}
if !strings.Contains(out, "group2") {
t.Fatalf("missing group\n\n%s", out)
}
if !strings.Contains(out, "12345678-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing node\n\n%s", out)
}
if !strings.Contains(out, "modified") {
t.Fatalf("missing modification\n\n%s", out)
}
}
func TestMonitor_Monitor(t *testing.T) {
srv, client, _ := testServer(t, nil)
defer srv.Stop()
// Create the monitor
ui := new(cli.MockUi)
mon := newMonitor(ui, client, fullId)
// Submit a job - this creates a new evaluation we can monitor
job := testJob("job1")
evalID, _, err := client.Jobs().Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
// Start monitoring the eval
var code int
doneCh := make(chan struct{})
go func() {
defer close(doneCh)
code = mon.monitor(evalID, false)
}()
// Wait for completion
select {
case <-doneCh:
case <-time.After(5 * time.Second):
t.Fatalf("eval monitor took too long")
}
// Check the return code. We should get exit code 2 as there
// would be a scheduling problem on the test server (no clients).
if code != 2 {
t.Fatalf("expect exit 2, got: %d", code)
}
// Check the output
out := ui.OutputWriter.String()
if !strings.Contains(out, evalID) {
t.Fatalf("missing eval\n\n%s", out)
}
if !strings.Contains(out, "finished with status") {
t.Fatalf("missing final status\n\n%s", out)
}
}
func TestMonitor_MonitorWithPrefix(t *testing.T) {
srv, client, _ := testServer(t, nil)
defer srv.Stop()
// Create the monitor
ui := new(cli.MockUi)
mon := newMonitor(ui, client, shortId)
// Submit a job - this creates a new evaluation we can monitor
job := testJob("job1")
evalID, _, err := client.Jobs().Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
// Start monitoring the eval
var code int
doneCh := make(chan struct{})
go func() {
defer close(doneCh)
code = mon.monitor(evalID[:8], true)
}()
// Wait for completion
select {
case <-doneCh:
case <-time.After(5 * time.Second):
t.Fatalf("eval monitor took too long")
}
// Check the return code. We should get exit code 2 as there
// would be a scheduling problem on the test server (no clients).
if code != 2 {
t.Fatalf("expect exit 2, got: %d", code)
}
// Check the output
out := ui.OutputWriter.String()
if !strings.Contains(out, evalID[:8]) {
t.Fatalf("missing eval\n\n%s", out)
}
if strings.Contains(out, evalID) {
t.Fatalf("expected truncated eval id, got: %s", out)
}
if !strings.Contains(out, "finished with status") {
t.Fatalf("missing final status\n\n%s", out)
}
}
func TestMonitor_DumpAllocStatus(t *testing.T) {
ui := new(cli.MockUi)
// Create an allocation and dump its status to the UI
alloc := &api.Allocation{
ID: "87654321-abcd-efab-cdef-123456789abc",
TaskGroup: "group1",
ClientStatus: structs.AllocClientStatusRunning,
Metrics: &api.AllocationMetric{
NodesEvaluated: 10,
NodesFiltered: 5,
NodesExhausted: 1,
DimensionExhausted: map[string]int{
"cpu": 1,
},
ConstraintFiltered: map[string]int{
"$attr.kernel.name = linux": 1,
},
ClassExhausted: map[string]int{
"web-large": 1,
},
},
}
dumpAllocStatus(ui, alloc, fullId)
// Check the output
out := ui.OutputWriter.String()
if !strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
t.Fatalf("missing alloc\n\n%s", out)
}
if !strings.Contains(out, structs.AllocClientStatusRunning) {
t.Fatalf("missing status\n\n%s", out)
}
if !strings.Contains(out, "5/10") {
t.Fatalf("missing filter stats\n\n%s", out)
}
if !strings.Contains(
out, `Constraint "$attr.kernel.name = linux" filtered 1 nodes`) {
t.Fatalf("missing constraint\n\n%s", out)
}
if !strings.Contains(out, "Resources exhausted on 1 nodes") {
t.Fatalf("missing resource exhaustion\n\n%s", out)
}
if !strings.Contains(out, `Class "web-large" exhausted on 1 nodes`) {
t.Fatalf("missing class exhaustion\n\n%s", out)
}
if !strings.Contains(out, `Dimension "cpu" exhausted on 1 nodes`) {
t.Fatalf("missing dimension exhaustion\n\n%s", out)
}
ui.OutputWriter.Reset()
// Dumping alloc status with no eligible nodes adds a warning
alloc.Metrics.NodesEvaluated = 0
dumpAllocStatus(ui, alloc, shortId)
// Check the output
out = ui.OutputWriter.String()
if !strings.Contains(out, "No nodes were eligible") {
t.Fatalf("missing eligibility warning\n\n%s", out)
}
if strings.Contains(out, "87654321-abcd-efab-cdef-123456789abc") {
t.Fatalf("expected truncated id, got %s", out)
}
if !strings.Contains(out, "87654321") {
t.Fatalf("expected alloc id, got %s", out)
}
}