open-vault/command/agent/sink/file/sink_test.go

139 lines
2.7 KiB
Go

package file
import (
"context"
"errors"
"fmt"
"io/ioutil"
"os"
"sync/atomic"
"testing"
"time"
hclog "github.com/hashicorp/go-hclog"
uuid "github.com/hashicorp/go-uuid"
"github.com/hashicorp/vault/command/agent/sink"
"github.com/hashicorp/vault/sdk/helper/logging"
)
func TestSinkServer(t *testing.T) {
log := logging.NewVaultLogger(hclog.Trace)
fs1, path1 := testFileSink(t, log)
defer os.RemoveAll(path1)
fs2, path2 := testFileSink(t, log)
defer os.RemoveAll(path2)
ctx, cancelFunc := context.WithCancel(context.Background())
ss := sink.NewSinkServer(&sink.SinkServerConfig{
Logger: log.Named("sink.server"),
})
uuidStr, _ := uuid.GenerateUUID()
in := make(chan string)
sinks := []*sink.SinkConfig{fs1, fs2}
errCh := make(chan error)
go func() {
errCh <- ss.Run(ctx, in, sinks)
}()
// Seed a token
in <- uuidStr
// Tell it to shut down and give it time to do so
timer := time.AfterFunc(3*time.Second, func() {
cancelFunc()
})
defer timer.Stop()
select {
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
for _, path := range []string{path1, path2} {
fileBytes, err := ioutil.ReadFile(fmt.Sprintf("%s/token", path))
if err != nil {
t.Fatal(err)
}
if string(fileBytes) != uuidStr {
t.Fatalf("expected %s, got %s", uuidStr, string(fileBytes))
}
}
}
type badSink struct {
tryCount uint32
logger hclog.Logger
}
func (b *badSink) WriteToken(token string) error {
switch token {
case "bad":
atomic.AddUint32(&b.tryCount, 1)
b.logger.Info("got bad")
return errors.New("bad")
case "good":
atomic.StoreUint32(&b.tryCount, 0)
b.logger.Info("got good")
return nil
default:
return errors.New("unknown case")
}
}
func TestSinkServerRetry(t *testing.T) {
log := logging.NewVaultLogger(hclog.Trace)
b1 := &badSink{logger: log.Named("b1")}
b2 := &badSink{logger: log.Named("b2")}
ctx, cancelFunc := context.WithCancel(context.Background())
ss := sink.NewSinkServer(&sink.SinkServerConfig{
Logger: log.Named("sink.server"),
})
in := make(chan string)
sinks := []*sink.SinkConfig{{Sink: b1}, {Sink: b2}}
errCh := make(chan error)
go func() {
errCh <- ss.Run(ctx, in, sinks)
}()
// Seed a token
in <- "bad"
// During this time we should see it retry multiple times
time.Sleep(10 * time.Second)
if atomic.LoadUint32(&b1.tryCount) < 2 {
t.Fatal("bad try count")
}
if atomic.LoadUint32(&b2.tryCount) < 2 {
t.Fatal("bad try count")
}
in <- "good"
time.Sleep(2 * time.Second)
if atomic.LoadUint32(&b1.tryCount) != 0 {
t.Fatal("bad try count")
}
if atomic.LoadUint32(&b2.tryCount) != 0 {
t.Fatal("bad try count")
}
// Tell it to shut down and give it time to do so
cancelFunc()
select {
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
}