109 lines
3.8 KiB
Go
109 lines
3.8 KiB
Go
package command
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import (
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"strconv"
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"testing"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/ci"
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"github.com/mitchellh/cli"
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"github.com/stretchr/testify/require"
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)
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func TestOperatorSchedulerSetConfig_Run(t *testing.T) {
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ci.Parallel(t)
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srv, _, addr := testServer(t, false, nil)
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defer srv.Shutdown()
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ui := cli.NewMockUi()
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c := &OperatorSchedulerSetConfig{Meta: Meta{Ui: ui}}
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bootstrappedConfig, _, err := srv.Client().Operator().SchedulerGetConfiguration(nil)
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require.NoError(t, err)
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require.NotEmpty(t, bootstrappedConfig.SchedulerConfig)
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// Run the command with zero value and ensure the configuration does not
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// change.
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require.EqualValues(t, 0, c.Run([]string{"-address=" + addr}))
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ui.ErrorWriter.Reset()
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ui.OutputWriter.Reset()
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// Read the configuration again and test that nothing has changed which
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// ensures our empty flags are working correctly.
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nonModifiedConfig, _, err := srv.Client().Operator().SchedulerGetConfiguration(nil)
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require.NoError(t, err)
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schedulerConfigEquals(t, bootstrappedConfig.SchedulerConfig, nonModifiedConfig.SchedulerConfig)
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// Modify every configuration parameter using the flags. This ensures the
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// merging is working correctly and that operators can control the entire
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// object via the CLI.
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modifyingArgs := []string{
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"-address=" + addr,
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"-scheduler-algorithm=spread",
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"-pause-eval-broker=true",
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"-memory-oversubscription=true",
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"-reject-job-registration=true",
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"-preempt-batch-scheduler=true",
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"-preempt-service-scheduler=true",
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"-preempt-sysbatch-scheduler=true",
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"-preempt-system-scheduler=false",
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}
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require.EqualValues(t, 0, c.Run(modifyingArgs))
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s := ui.OutputWriter.String()
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require.Contains(t, s, "Scheduler configuration updated!")
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modifiedConfig, _, err := srv.Client().Operator().SchedulerGetConfiguration(nil)
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require.NoError(t, err)
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schedulerConfigEquals(t, &api.SchedulerConfiguration{
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SchedulerAlgorithm: "spread",
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PreemptionConfig: api.PreemptionConfig{
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SystemSchedulerEnabled: false,
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SysBatchSchedulerEnabled: true,
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BatchSchedulerEnabled: true,
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ServiceSchedulerEnabled: true,
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},
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MemoryOversubscriptionEnabled: true,
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RejectJobRegistration: true,
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PauseEvalBroker: true,
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}, modifiedConfig.SchedulerConfig)
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ui.ErrorWriter.Reset()
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ui.OutputWriter.Reset()
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// Make a Freudian slip with one of the flags to ensure the usage is
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// returned.
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require.EqualValues(t, 1, c.Run([]string{"-address=" + addr, "-pause-evil-broker=true"}))
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require.Contains(t, ui.OutputWriter.String(), "Usage: nomad operator scheduler set-config")
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ui.ErrorWriter.Reset()
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ui.OutputWriter.Reset()
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// Try updating the config using an incorrect check-index value.
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require.EqualValues(t, 1, c.Run([]string{
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"-address=" + addr,
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"-pause-eval-broker=false",
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"-check-index=1000000",
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}))
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require.Contains(t, ui.ErrorWriter.String(), "check-index 1000000 does not match does not match current state")
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ui.ErrorWriter.Reset()
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ui.OutputWriter.Reset()
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// Try updating the config using a correct check-index value.
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require.EqualValues(t, 0, c.Run([]string{
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"-address=" + addr,
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"-pause-eval-broker=false",
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"-check-index=" + strconv.FormatUint(modifiedConfig.SchedulerConfig.ModifyIndex, 10),
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}))
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require.Contains(t, ui.OutputWriter.String(), "Scheduler configuration updated!")
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ui.ErrorWriter.Reset()
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ui.OutputWriter.Reset()
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}
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func schedulerConfigEquals(t *testing.T, expected, actual *api.SchedulerConfiguration) {
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require.Equal(t, expected.SchedulerAlgorithm, actual.SchedulerAlgorithm)
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require.Equal(t, expected.RejectJobRegistration, actual.RejectJobRegistration)
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require.Equal(t, expected.MemoryOversubscriptionEnabled, actual.MemoryOversubscriptionEnabled)
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require.Equal(t, expected.PauseEvalBroker, actual.PauseEvalBroker)
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require.Equal(t, expected.PreemptionConfig, actual.PreemptionConfig)
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}
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