storagesvc

README

StorageSvc

StorageSvc consists of 3 components

• Storage http request handler
• StowClient
• ArchivePruner

StorageSvc

This is the HTTP handler that serves requests to :

• upload archive into a storage
• fetch an archive from storage
• delete archive from storage

StowClient

This is the storage interface layer that interacts with stow package. It provides methods to:

• write a file to storage
• retrieve a file from storage
• delete a file from storage
• get all files on storage

ArchivePruner

This acts like a cron job to clean up orphaned archives from storage. By default configured to run every hour. The value can be set in Values.yaml to any preferred interval.

Documentation

Index

• Constants
• Variables
• type ArchivePruner
  • func MakeArchivePruner(stowClient *StowClient, pruneInterval time.Duration) (*ArchivePruner, error)
  • func (pruner *ArchivePruner) Start()
• type StorageService
  • func MakeStorageService(storageClient *StowClient, port int) *StorageService
  • func RunStorageService(storageType StorageType, storagePath string, containerName string, port int, ...) *StorageService
  • func (ss *StorageService) Start(port int)
• type StorageType
• type StowClient
  • func MakeStowClient(storageType StorageType, storagePath string, containerName string) (*StowClient, error)
• type UploadResponse

Constants

const (
	StorageTypeLocal StorageType = "local"
	PaginationSize   int         = 10
)

Variables

var (
	ErrNotFound                = errors.New("not found")
	ErrRetrievingItem          = errors.New("unable to retrieve item")
	ErrOpeningItem             = errors.New("unable to open item")
	ErrWritingFile             = errors.New("unable to write file")
	ErrWritingFileIntoResponse = errors.New("unable to copy item into http response")
)

Types

type ArchivePruner

type ArchivePruner struct {
	// contains filtered or unexported fields
}

func MakeArchivePruner

func MakeArchivePruner(stowClient *StowClient, pruneInterval time.Duration) (*ArchivePruner, error)

func (*ArchivePruner) Start

func (pruner *ArchivePruner) Start()

Start starts a go routine that listens to a channel for archive IDs that need to deleted. Also wakes up at regular intervals to make a list of archive IDs that need to be reaped and sends them over to the channel for deletion

type StorageService

type StorageService struct {
	// contains filtered or unexported fields
}

func MakeStorageService

func MakeStorageService(storageClient *StowClient, port int) *StorageService

func RunStorageService

func RunStorageService(storageType StorageType, storagePath string, containerName string, port int, enablePruner bool) *StorageService

func (*StorageService) Start

func (ss *StorageService) Start(port int)

type StorageType

type StorageType string

type StowClient

type StowClient struct {
	// contains filtered or unexported fields
}

func MakeStowClient

func MakeStowClient(storageType StorageType, storagePath string, containerName string) (*StowClient, error)

type UploadResponse

type UploadResponse struct {
	ID string `json:"id"`
}