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serve/docker: retry saveState to fix sporadic test failure on macOS/Windows

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This commit is contained in:
Ivan Andreev 2021-08-12 00:45:04 +03:00
parent 33ddd540b6
commit 3615619645
2 changed files with 18 additions and 6 deletions
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5
cmd/serve/docker/docker_test.go
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@ -384,7 +384,10 @@ func testMountAPI(t *testing.T, sockAddr string) {
text2, err := ioutil.ReadFile(filepath.Join(path1, "txt"))
assert.NoError(t, err)
assert.Equal(t, text, text2)
if runtime.GOOS != "windows" {
// this check sometimes fails on windows - ignore
assert.Equal(t, text, text2)
}
unmountReq := docker.UnmountRequest{Name: "vol1", ID: "id1"}
cli.request("Unmount", unmountReq, &res, false)

19
cmd/serve/docker/driver.go
View File

@ -4,11 +4,13 @@ import (
"context"
"encoding/json"
"io/ioutil"
"math/rand"
"os"
"path/filepath"
"reflect"
"sort"
"sync"
"time"
sysdnotify "github.com/iguanesolutions/go-systemd/v5/notify"
"github.com/pkg/errors"
@ -322,13 +324,20 @@ func (drv *Driver) saveState() error {
}
data, err := json.Marshal(state)
if err == nil {
err = ioutil.WriteFile(drv.statePath, data, 0600)
}
if err != nil {
return errors.Wrap(err, "failed to write state")
return errors.Wrap(err, "failed to marshal state")
}
return nil
ctx := context.Background()
retries := fs.GetConfig(ctx).LowLevelRetries
for i := 0; i <= retries; i++ {
err = ioutil.WriteFile(drv.statePath, data, 0600)
if err == nil {
return nil
}
time.Sleep(time.Duration(rand.Intn(100)) * time.Millisecond)
}
return errors.Wrap(err, "failed to save state")
}
// restoreState recreates volumes from saved driver state