80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package benchmarks
|
|
|
|
// Test helper functions for running scheduling tests and benchmarks
|
|
// against real world state snapshots or data directories. These live
|
|
// here and not in the the parent scheduler package because it would
|
|
// create circular imports between the scheduler and raftutils package
|
|
// (via the nomad package)
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/hashicorp/nomad/helper/raftutil"
|
|
"github.com/hashicorp/nomad/scheduler"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
// NewBenchmarkingHarness creates a starting test harness with state
|
|
// store. The starting contents of the state store depends on which
|
|
// env var is set:
|
|
// - NOMAD_BENCHMARK_DATADIR: path to data directory
|
|
// - NOMAD_BENCHMARK_SNAPSHOT: path to raft snapshot
|
|
// - neither: empty starting state
|
|
func NewBenchmarkingHarness(t testing.TB) *scheduler.Harness {
|
|
// create the Harness and starting state.
|
|
datadir := os.Getenv("NOMAD_BENCHMARK_DATADIR")
|
|
if datadir != "" {
|
|
h, err := NewHarnessFromDataDir(t, datadir)
|
|
require.NoError(t, err)
|
|
return h
|
|
} else {
|
|
snapshotPath := os.Getenv("NOMAD_BENCHMARK_SNAPSHOT")
|
|
if snapshotPath != "" {
|
|
h, err := NewHarnessFromSnapshot(t, snapshotPath)
|
|
require.NoError(t, err)
|
|
return h
|
|
}
|
|
}
|
|
return scheduler.NewHarness(t)
|
|
}
|
|
|
|
// NewHarnessFromDataDir creates a new scheduler test harness with
|
|
// state loaded from an existing datadir.
|
|
func NewHarnessFromDataDir(t testing.TB, datadirPath string) (*scheduler.Harness, error) {
|
|
if datadirPath == "" {
|
|
return nil, errors.New("datadir path was not set")
|
|
}
|
|
fsm, err := raftutil.NewFSM(datadirPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
_, _, err = fsm.ApplyAll()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return scheduler.NewHarnessWithState(t, fsm.State()), nil
|
|
}
|
|
|
|
// NewHarnessFromDataDir creates a new harness with state loaded
|
|
// from an existing raft snapshot.
|
|
func NewHarnessFromSnapshot(t testing.TB, snapshotPath string) (*scheduler.Harness, error) {
|
|
if snapshotPath == "" {
|
|
return nil, errors.New("snapshot path was not set")
|
|
}
|
|
f, err := os.Open(snapshotPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer f.Close()
|
|
|
|
state, _, err := raftutil.RestoreFromArchive(f, nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return scheduler.NewHarnessWithState(t, state), nil
|
|
}
|