107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package raftutil
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import (
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"testing"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/scheduler"
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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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// TestSampleInvariant illustrates how to find offending log entry for an invariant
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func TestSampleInvariant(t *testing.T) {
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t.Skip("not a real test")
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path := "/tmp/nomad-datadir/server/raft"
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ns := "default"
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parentID := "myjob"
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fsm, err := NewFSM(path)
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require.NoError(t, err)
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state := fsm.State()
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for {
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idx, _, err := fsm.ApplyNext()
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if err == ErrNoMoreLogs {
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break
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}
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require.NoError(t, err)
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// Test invariant for each entry
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// For example, test job summary numbers against running jobs
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summary, err := state.JobSummaryByID(nil, ns, parentID)
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require.NoError(t, err)
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if summary == nil {
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// job hasn't been created yet
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continue
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}
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summaryCount := summary.Children.Running + summary.Children.Pending + summary.Children.Dead
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jobCountByParent := 0
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iter, err := state.Jobs(nil)
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require.NoError(t, err)
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for {
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rawJob := iter.Next()
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if rawJob == nil {
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break
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}
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job := rawJob.(*structs.Job)
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if job.Namespace == ns && job.ParentID == parentID {
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jobCountByParent++
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}
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}
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require.Equalf(t, summaryCount, jobCountByParent, "job summary at idx=%v", idx)
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}
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// any post-assertion follow
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}
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// TestSchedulerLogic illustrates how to test how to test the scheduler
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// logic for handling an eval
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func TestSchedulerLogic(t *testing.T) {
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t.Skip("not a real test")
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path := "/tmp/nomad-datadir/server/raft"
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ns := "default"
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jobID := "myjob"
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testIdx := uint64(3234)
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fsm, err := NewFSM(path)
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require.NoError(t, err)
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_, _, err = fsm.ApplyUntil(testIdx)
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require.NoError(t, err)
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state := fsm.State()
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job, err := state.JobByID(nil, ns, jobID)
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require.NoError(t, err)
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// Create an eval and schedule it!
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// Create a mock evaluation to register the job
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eval := &structs.Evaluation{
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Namespace: ns,
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ID: uuid.Generate(),
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Priority: job.Priority,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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Status: structs.EvalStatusPending,
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}
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// Process the evaluation
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h := scheduler.NewHarnessWithState(t, state)
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err = h.Process(scheduler.NewServiceScheduler, eval)
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require.NoError(t, err)
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require.Len(t, h.Plans, 1)
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pretty.Println(h.Plans[0])
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}
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