open-nomad/e2e/lifecycle/lifecycle.go

147 lines
4.5 KiB
Go

package lifecycle
import (
"fmt"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/e2e/e2eutil"
"github.com/hashicorp/nomad/e2e/framework"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/require"
)
type LifecycleE2ETest struct {
framework.TC
jobIDs []string
}
func init() {
framework.AddSuites(&framework.TestSuite{
Component: "Lifecycle",
CanRunLocal: true,
Cases: []framework.TestCase{new(LifecycleE2ETest)},
})
}
// BeforeAll ensures the cluster has leader and at least 1 client node in a
// ready state before running tests.
func (tc *LifecycleE2ETest) BeforeAll(f *framework.F) {
e2eutil.WaitForLeader(f.T(), tc.Nomad())
e2eutil.WaitForNodesReady(f.T(), tc.Nomad(), 1)
}
// TestBatchJob runs a batch job with prestart and poststop hooks
func (tc *LifecycleE2ETest) TestBatchJob(f *framework.F) {
t := f.T()
require := require.New(t)
nomadClient := tc.Nomad()
uuid := uuid.Generate()
jobID := "lifecycle-" + uuid[0:8]
tc.jobIDs = append(tc.jobIDs, jobID)
allocs := e2eutil.RegisterAndWaitForAllocs(f.T(), nomadClient, "lifecycle/inputs/batch.nomad", jobID, "")
require.Equal(1, len(allocs))
allocID := allocs[0].ID
// wait for the job to stop and assert we stopped successfully, not failed
e2eutil.WaitForAllocStopped(t, nomadClient, allocID)
alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
require.NoError(err)
require.Equal(structs.AllocClientStatusComplete, alloc.ClientStatus)
// assert the files were written as expected
afi, _, err := nomadClient.AllocFS().List(alloc, "alloc", nil)
require.NoError(err)
expected := map[string]bool{
"init-ran": true, "main-ran": true, "poststart-ran": true, "poststop-ran": true,
"init-running": false, "main-running": false, "poststart-running": false}
got := checkFiles(expected, afi)
require.Equal(expected, got)
}
// TestServiceJob runs a service job with prestart and poststop hooks
func (tc *LifecycleE2ETest) TestServiceJob(f *framework.F) {
t := f.T()
require := require.New(t)
nomadClient := tc.Nomad()
uuid := uuid.Generate()
jobID := "lifecycle-" + uuid[0:8]
tc.jobIDs = append(tc.jobIDs, jobID)
allocs := e2eutil.RegisterAndWaitForAllocs(f.T(), nomadClient, "lifecycle/inputs/service.nomad", jobID, "")
require.Equal(1, len(allocs))
allocID := allocs[0].ID
//e2eutil.WaitForAllocRunning(t, nomadClient, allocID)
testutil.WaitForResult(func() (bool, error) {
alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
if err != nil {
return false, err
}
if alloc.ClientStatus != structs.AllocClientStatusRunning {
return false, fmt.Errorf("expected status running, but was: %s", alloc.ClientStatus)
}
if alloc.TaskStates["poststart"].FinishedAt.IsZero() {
return false, fmt.Errorf("poststart task hasn't started")
}
afi, _, err := nomadClient.AllocFS().List(alloc, "alloc", nil)
if err != nil {
return false, err
}
expected := map[string]bool{
"main-checked": true}
got := checkFiles(expected, afi)
if !got["main-checked"] {
return false, fmt.Errorf("main-checked file has not been written")
}
return true, nil
}, func(err error) {
require.NoError(err, "failed to wait on alloc")
})
alloc, _, err := nomadClient.Allocations().Info(allocID, nil)
require.NoError(err)
require.False(alloc.TaskStates["poststart"].Failed)
// stop the job
_, _, err = nomadClient.Jobs().Deregister(jobID, false, nil)
require.NoError(err)
e2eutil.WaitForAllocStopped(t, nomadClient, allocID)
require.False(alloc.TaskStates["poststop"].Failed)
// assert the files were written as expected
afi, _, err := nomadClient.AllocFS().List(alloc, "alloc", nil)
require.NoError(err)
expected := map[string]bool{
"init-ran": true, "sidecar-ran": true, "main-ran": true, "poststart-ran": true, "poststop-ran": true,
"poststart-started": true, "main-started": true, "poststop-started": true,
"init-running": false, "poststart-running": false, "poststop-running": false,
"main-checked": true}
got := checkFiles(expected, afi)
require.Equal(expected, got)
}
// checkFiles returns a map of whether the expected files were found
// in the file info response
func checkFiles(expected map[string]bool, got []*api.AllocFileInfo) map[string]bool {
results := map[string]bool{}
for expect := range expected {
results[expect] = false
}
for _, file := range got {
// there will be files unrelated to the test, so ignore those
if _, ok := results[file.Name]; ok {
results[file.Name] = true
}
}
return results
}