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always use background context directly

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This commit is contained in:
Frederik Ring 2021-08-29 18:26:40 +02:00
parent bea203af3d
commit 825cbb50ef
1 changed files with 12 additions and 14 deletions
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26
cmd/backup/main.go
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@ -56,7 +56,6 @@ func main() {
// script holds all the stateful information required to orchestrate a // script holds all the stateful information required to orchestrate a
// single backup run. // single backup run.
type script struct { type script struct {
ctx context.Context
cli *client.Client cli *client.Client
mc *minio.Client mc *minio.Client
logger *logrus.Logger logger *logrus.Logger
@ -90,8 +89,7 @@ type config struct {
// in this method. // in this method.
func newScript() (*script, error) { func newScript() (*script, error) {
s := &script{ s := &script{
c: &config{}, c: &config{},
ctx: context.Background(),
logger: &logrus.Logger{ logger: &logrus.Logger{
Out: os.Stdout, Out: os.Stdout,
Formatter: new(logrus.TextFormatter), Formatter: new(logrus.TextFormatter),
@ -144,7 +142,7 @@ func (s *script) stopContainers() (func() error, error) {
return noop, nil return noop, nil
} }
allContainers, err := s.cli.ContainerList(s.ctx, types.ContainerListOptions{ allContainers, err := s.cli.ContainerList(context.Background(), types.ContainerListOptions{
Quiet: true, Quiet: true,
}) })
if err != nil { if err != nil {
@ -155,7 +153,7 @@ func (s *script) stopContainers() (func() error, error) {
"docker-volume-backup.stop-during-backup=%s", "docker-volume-backup.stop-during-backup=%s",
s.c.BackupStopContainerLabel, s.c.BackupStopContainerLabel,
) )
containersToStop, err := s.cli.ContainerList(s.ctx, types.ContainerListOptions{ containersToStop, err := s.cli.ContainerList(context.Background(), types.ContainerListOptions{
Quiet: true, Quiet: true,
Filters: filters.NewArgs(filters.KeyValuePair{ Filters: filters.NewArgs(filters.KeyValuePair{
Key: "label", Key: "label",
@ -181,7 +179,7 @@ func (s *script) stopContainers() (func() error, error) {
var stoppedContainers []types.Container var stoppedContainers []types.Container
var stopErrors []error var stopErrors []error
for _, container := range containersToStop { for _, container := range containersToStop {
if err := s.cli.ContainerStop(s.ctx, container.ID, nil); err != nil { if err := s.cli.ContainerStop(context.Background(), container.ID, nil); err != nil {
stopErrors = append(stopErrors, err) stopErrors = append(stopErrors, err)
} else { } else {
stoppedContainers = append(stoppedContainers, container) stoppedContainers = append(stoppedContainers, container)
@ -205,13 +203,13 @@ func (s *script) stopContainers() (func() error, error) {
servicesRequiringUpdate[swarmServiceName] = struct{}{} servicesRequiringUpdate[swarmServiceName] = struct{}{}
continue continue
} }
if err := s.cli.ContainerStart(s.ctx, container.ID, types.ContainerStartOptions{}); err != nil { if err := s.cli.ContainerStart(context.Background(), container.ID, types.ContainerStartOptions{}); err != nil {
restartErrors = append(restartErrors, err) restartErrors = append(restartErrors, err)
} }
} }
if len(servicesRequiringUpdate) != 0 { if len(servicesRequiringUpdate) != 0 {
services, _ := s.cli.ServiceList(s.ctx, types.ServiceListOptions{}) services, _ := s.cli.ServiceList(context.Background(), types.ServiceListOptions{})
for serviceName := range servicesRequiringUpdate { for serviceName := range servicesRequiringUpdate {
var serviceMatch swarm.Service var serviceMatch swarm.Service
for _, service := range services { for _, service := range services {
@ -225,7 +223,7 @@ func (s *script) stopContainers() (func() error, error) {
} }
serviceMatch.Spec.TaskTemplate.ForceUpdate = 1 serviceMatch.Spec.TaskTemplate.ForceUpdate = 1
_, err := s.cli.ServiceUpdate( _, err := s.cli.ServiceUpdate(
s.ctx, serviceMatch.ID, context.Background(), serviceMatch.ID,
serviceMatch.Version, serviceMatch.Spec, types.ServiceUpdateOptions{}, serviceMatch.Version, serviceMatch.Spec, types.ServiceUpdateOptions{},
) )
if err != nil { if err != nil {
@ -304,8 +302,8 @@ func (s *script) encryptBackup() error {
// as per the given configuration. // as per the given configuration.
func (s *script) copyBackup() error { func (s *script) copyBackup() error {
_, name := path.Split(s.file) _, name := path.Split(s.file)
if s.c.AwsS3BucketName != "" { if s.mc != nil {
_, err := s.mc.FPutObject(s.ctx, s.c.AwsS3BucketName, name, s.file, minio.PutObjectOptions{ _, err := s.mc.FPutObject(context.Background(), s.c.AwsS3BucketName, name, s.file, minio.PutObjectOptions{
ContentType: "application/tar+gzip", ContentType: "application/tar+gzip",
}) })
if err != nil { if err != nil {
@ -347,8 +345,8 @@ func (s *script) pruneOldBackups() error {
deadline := time.Now().AddDate(0, 0, -int(s.c.BackupRetentionDays)) deadline := time.Now().AddDate(0, 0, -int(s.c.BackupRetentionDays))
if s.c.AwsS3BucketName != "" { if s.mc != nil {
candidates := s.mc.ListObjects(s.ctx, s.c.AwsS3BucketName, minio.ListObjectsOptions{ candidates := s.mc.ListObjects(context.Background(), s.c.AwsS3BucketName, minio.ListObjectsOptions{
WithMetadata: true, WithMetadata: true,
Prefix: s.c.BackupPruningPrefix, Prefix: s.c.BackupPruningPrefix,
}) })
@ -376,7 +374,7 @@ func (s *script) pruneOldBackups() error {
} }
close(objectsCh) close(objectsCh)
}() }()
errChan := s.mc.RemoveObjects(s.ctx, s.c.AwsS3BucketName, objectsCh, minio.RemoveObjectsOptions{}) errChan := s.mc.RemoveObjects(context.Background(), s.c.AwsS3BucketName, objectsCh, minio.RemoveObjectsOptions{})
var errors []error var errors []error
for result := range errChan { for result := range errChan {
if result.Err != nil { if result.Err != nil {