gistfile1.txt

func TestRaftSnapshotTrailingLogs(t *testing.T) {
	// Make the cluster
	conf := inmemConfig(t)
	// Don't keep any log entries after snapshot
	conf.TrailingLogs = 0
	c := MakeCluster(1, t, conf)
	defer c.Close()

	// Commit a lot of things
	leader := c.Leader()
	var future Future
	for i := 0; i < 100; i++ {
		future = leader.Apply([]byte(fmt.Sprintf("test%d", i)), 0)
	}

	// Wait for the last future to apply
	if err := future.Error(); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Take a snapshot
	snapFuture := leader.Snapshot()
	if err := snapFuture.Error(); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Check for snapshot
	if snaps, _ := leader.snapshots.List(); len(snaps) != 1 {
		t.Fatalf("should have a snapshot")
	}

	// Logs should be trimmed
	if idx, _ := leader.logs.FirstIndex(); idx != 102 {
		t.Fatalf("should trim logs to 102: %d", idx)
	}

	// Shutdown
	shutdown := leader.Shutdown()
	if err := shutdown.Error(); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Restart the Raft
	r := leader
	r, err := NewRaft(r.conf, r.fsm, r.logs, r.stable,
		r.snapshots, r.peerStore, r.trans)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
}

gistfile2.txt

=== RUN TestRaftSnapshotTrailingLogs
--- FAIL: TestRaftSnapshotTrailingLogs (0.07s)
	raft_test.go:188: [WARN] Fully Connecting
	raft_test.go:92: [INFO] raft: Node at 49a3e505-fa74-71dc-6cad-335e6b8ea6ff [Follower] entering Follower state
	raft_test.go:92: [WARN] raft: Heartbeat timeout reached, starting election
	raft_test.go:92: [INFO] raft: Node at 49a3e505-fa74-71dc-6cad-335e6b8ea6ff [Candidate] entering Candidate state
	raft_test.go:92: [DEBUG] raft: Votes needed: 1
	raft_test.go:92: [DEBUG] raft: Vote granted from 49a3e505-fa74-71dc-6cad-335e6b8ea6ff. Tally: 1
	raft_test.go:92: [INFO] raft: Election won. Tally: 1
	raft_test.go:92: [INFO] raft: Node at 49a3e505-fa74-71dc-6cad-335e6b8ea6ff [Leader] entering Leader state
	raft_test.go:92: [INFO] raft: Disabling EnableSingleNode (bootstrap)
	raft_test.go:92: [DEBUG] raft: Node 49a3e505-fa74-71dc-6cad-335e6b8ea6ff updated peer set (2): [49a3e505-fa74-71dc-6cad-335e6b8ea6ff]
	raft_test.go:1750: Last index: 1
	raft_test.go:1762: Last index: 101
	raft_test.go:92: [INFO] raft: Starting snapshot up to 101
	raft_test.go:92: [INFO] snapshot: Creating new snapshot at /tmp/raft837379019/snapshots/1-101-1455397689044.tmp
	raft_test.go:92: [INFO] raft: Compacting logs from 1 to 101
	raft_test.go:92: [INFO] raft: Snapshot to 101 complete
	raft_test.go:1791: err: failed to get last log: log not found
FAIL
exit status 1
FAIL	github.com/hashicorp/raft	0.076s