vfs

package
v1.4.0-alpha.1 Latest Latest
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 Go to latest Published: Sep 8, 2016 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AWSErrorCode 

func AWSErrorCode(err error) string

AWSErrorCode returns the aws error code, if it is an awserr.Error, otherwise ""

func IsClusterReadable 

func IsClusterReadable(p Path) bool

func IsDirectory 

func IsDirectory(p Path) bool

func RelativePath 

func RelativePath(base Path, child Path) (string, error)

func SyncDir 

func SyncDir(src *VFSScan, destBase Path) error

Types

type Change 

type Change struct {
	ChangeType ChangeType
	Path       Path
	Hash       *hashing.Hash
}

type ChangeType 

type ChangeType string
const ChangeType_Added ChangeType = "ADDED"
const ChangeType_Modified ChangeType = "MODIFIED"
const ChangeType_Removed ChangeType = "REMOVED"

type FSPath 

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

func NewFSPath 

func NewFSPath(location string) *FSPath

func (*FSPath) Base 

func (p *FSPath) Base() string

func (*FSPath) CreateFile 

func (p *FSPath) CreateFile(data []byte) error

func (*FSPath) Hash 

func (p *FSPath) Hash(a hashing.HashAlgorithm) (*hashing.Hash, error)

func (*FSPath) Join 

func (p *FSPath) Join(relativePath ...string) Path

func (*FSPath) Path 

func (p *FSPath) Path() string

func (*FSPath) PreferredHash 

func (p *FSPath) PreferredHash() (*hashing.Hash, error)

func (*FSPath) ReadDir 

func (p *FSPath) ReadDir() ([]Path, error)

func (*FSPath) ReadFile 

func (p *FSPath) ReadFile() ([]byte, error)

func (*FSPath) ReadTree 

func (p *FSPath) ReadTree() ([]Path, error)

func (*FSPath) Remove 

func (p *FSPath) Remove() error

func (*FSPath) String 

func (p *FSPath) String() string

func (*FSPath) WriteFile 

func (p *FSPath) WriteFile(data []byte) error

type HasClusterReadable 

type HasClusterReadable interface {
	IsClusterReadable() bool
}

type HasHash 

type HasHash interface {
	// Returns the hash of the file contents, with the preferred hash algorithm
	PreferredHash() (*hashing.Hash, error)

	// Gets the hash, or nil if the hash cannot be (easily) computed
	Hash(algorithm hashing.HashAlgorithm) (*hashing.Hash, error)
}

type MemFSContext 

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

func NewMemFSContext 

func NewMemFSContext() *MemFSContext

func (*MemFSContext) MarkClusterReadable 

func (c *MemFSContext) MarkClusterReadable()

MarkClusterReadable pretends the current memfscontext is cluster readable; this is useful for tests

type MemFSPath 

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

func NewMemFSPath 

func NewMemFSPath(context *MemFSContext, location string) *MemFSPath

func (*MemFSPath) Base 

func (p *MemFSPath) Base() string

func (*MemFSPath) CreateFile 

func (p *MemFSPath) CreateFile(data []byte) error

func (*MemFSPath) IsClusterReadable 

func (c *MemFSPath) IsClusterReadable() bool

func (*MemFSPath) Join 

func (p *MemFSPath) Join(relativePath ...string) Path

func (*MemFSPath) Path 

func (p *MemFSPath) Path() string

func (*MemFSPath) ReadDir 

func (p *MemFSPath) ReadDir() ([]Path, error)

func (*MemFSPath) ReadFile 

func (p *MemFSPath) ReadFile() ([]byte, error)

func (*MemFSPath) ReadTree 

func (p *MemFSPath) ReadTree() ([]Path, error)

func (*MemFSPath) Remove 

func (p *MemFSPath) Remove() error

func (*MemFSPath) String 

func (p *MemFSPath) String() string

func (*MemFSPath) WriteFile 

func (p *MemFSPath) WriteFile(data []byte) error

type Path 

type Path interface {
	Join(relativePath ...string) Path
	ReadFile() ([]byte, error)

	WriteFile(data []byte) error
	// CreateFile writes the file contents, but only if the file does not already exist
	CreateFile(data []byte) error

	// Remove deletes the file
	Remove() error

	// Base returns the base name (last element)
	Base() string

	// Path returns a string representing the full path
	Path() string

	// ReadDir lists the files in a particular Pathss
	ReadDir() ([]Path, error)

	// ReadTree lists all files in the subtree rooted at the current Path
	ReadTree() ([]Path, error)
}

type S3Path 

type S3Path struct {
	// contains filtered or unexported fields
}

func NewS3Path 

func NewS3Path(client *s3.S3, bucket string, key string) *S3Path

func (*S3Path) Base 

func (p *S3Path) Base() string

func (*S3Path) Bucket 

func (p *S3Path) Bucket() string

func (*S3Path) CreateFile 

func (p *S3Path) CreateFile(data []byte) error

func (*S3Path) Hash 

func (p *S3Path) Hash(a hashing.HashAlgorithm) (*hashing.Hash, error)

func (*S3Path) Join 

func (p *S3Path) Join(relativePath ...string) Path

func (*S3Path) Path 

func (p *S3Path) Path() string

func (*S3Path) PreferredHash 

func (p *S3Path) PreferredHash() (*hashing.Hash, error)

func (*S3Path) ReadDir 

func (p *S3Path) ReadDir() ([]Path, error)

func (*S3Path) ReadFile 

func (p *S3Path) ReadFile() ([]byte, error)

func (*S3Path) ReadTree 

func (p *S3Path) ReadTree() ([]Path, error)

func (*S3Path) Remove 

func (p *S3Path) Remove() error

func (*S3Path) String 

func (p *S3Path) String() string

func (*S3Path) WriteFile 

func (p *S3Path) WriteFile(data []byte) error

type SSHPath 

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

func NewSSHPath 

func NewSSHPath(client *ssh.Client, server string, path string, sudo bool) *SSHPath

func (*SSHPath) Base 

func (p *SSHPath) Base() string

func (*SSHPath) CreateFile 

func (p *SSHPath) CreateFile(data []byte) error

func (*SSHPath) Join 

func (p *SSHPath) Join(relativePath ...string) Path

func (*SSHPath) Path 

func (p *SSHPath) Path() string

func (*SSHPath) ReadDir 

func (p *SSHPath) ReadDir() ([]Path, error)

func (*SSHPath) ReadFile 

func (p *SSHPath) ReadFile() ([]byte, error)

func (*SSHPath) ReadTree 

func (p *SSHPath) ReadTree() ([]Path, error)

func (*SSHPath) Remove 

func (p *SSHPath) Remove() error

func (*SSHPath) String 

func (p *SSHPath) String() string

func (*SSHPath) WriteFile 

func (p *SSHPath) WriteFile(data []byte) error

type VFS 

type VFS interface {
}

type VFSContext 

type VFSContext struct {
}

VFSContext is a 'context' for VFS, that is normally a singleton but allows us to configure S3 credentials, for example 

var Context VFSContext

func (*VFSContext) BuildVfsPath 

func (c *VFSContext) BuildVfsPath(p string) (Path, error)

func (*VFSContext) ReadFile 

func (c *VFSContext) ReadFile(location string) ([]byte, error)

ReadLocation reads a file from a vfs URL It supports additional schemes which don't (yet) have full VFS implementations: 

metadata: reads from instance metadata on GCE/AWS
http / https: reads from HTTP

type VFSScan 

type VFSScan struct {
	Base Path
	// contains filtered or unexported fields
}

VFSScan scans a source Path for changes files

func NewVFSScan 

func NewVFSScan(base Path) *VFSScan

func (*VFSScan) Scan 

func (v *VFSScan) Scan() ([]Change, error)

Scans for changes files. On the first call will return all files as ChangeType_Added. On subsequent calls will return any changed files (using their hashes)

Source Files

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