eosclient

package
v1.1.0 Latest Latest
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 Go to latest Published: Aug 11, 2020 License: Apache-2.0 Imports: 17 Imported by: 3

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Constants

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Variables

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Functions

This section is empty.

Types

type AttrType added in v0.0.2 

type AttrType uint32

AttrType is the type of extended attribute, either system (sys) or user (user). 

const (
	// SystemAttr is the system extended attribute.
	SystemAttr AttrType = iota
	// UserAttr is the user extended attribute.
	UserAttr
)

func (AttrType) String added in v0.1.0 

func (at AttrType) String() string

type Attribute added in v0.0.2 

type Attribute struct {
	Type     AttrType
	Key, Val string
}

Attribute represents an EOS extended attribute.

type Client 

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

Client performs actions against a EOS management node (MGM). It requires the eos-client and xrootd-client packages installed to work.

func New 

func New(opt *Options) *Client

New creates a new client with the given options.

func (*Client) AddACL 

func (c *Client) AddACL(ctx context.Context, uid, gid, rootUID, rootGID, path string, a *acl.Entry) error

AddACL adds an new acl to EOS with the given aclType.

func (*Client) Chmod added in v0.1.0 

func (c *Client) Chmod(ctx context.Context, uid, gid, mode, path string) error

Chmod given path

func (*Client) Chown added in v0.1.0 

func (c *Client) Chown(ctx context.Context, uid, gid, chownUID, chownGID, path string) error

Chown given path

func (*Client) CreateDir 

func (c *Client) CreateDir(ctx context.Context, uid, gid, path string) error

CreateDir creates a directory at the given path

func (*Client) GetACL 

func (c *Client) GetACL(ctx context.Context, uid, gid, path, aclType, target string) (*acl.Entry, error)

GetACL for a file

func (*Client) GetFileInfoByInode 

func (c *Client) GetFileInfoByInode(ctx context.Context, uid, gid string, inode uint64) (*FileInfo, error)

GetFileInfoByInode returns the FileInfo by the given inode

func (*Client) GetFileInfoByPath 

func (c *Client) GetFileInfoByPath(ctx context.Context, uid, gid, path string) (*FileInfo, error)

GetFileInfoByPath returns the FilInfo at the given path

func (*Client) GetQuota 

func (c *Client) GetQuota(ctx context.Context, username, rootUID, rootGID, path string) (*QuotaInfo, error)

GetQuota gets the quota of a user on the quota node defined by path

func (*Client) List 

func (c *Client) List(ctx context.Context, uid, gid, path string) ([]*FileInfo, error)

List the contents of the directory given by path

func (*Client) ListACLs 

func (c *Client) ListACLs(ctx context.Context, uid, gid, path string) ([]*acl.Entry, error)

ListACLs returns the list of ACLs present under the given path. EOS returns uids/gid for Citrine version and usernames for older versions. For Citire we need to convert back the uid back to username.

func (*Client) ListDeletedEntries 

func (c *Client) ListDeletedEntries(ctx context.Context, uid, gid string) ([]*DeletedEntry, error)

ListDeletedEntries returns a list of the deleted entries.

func (*Client) ListVersions 

func (c *Client) ListVersions(ctx context.Context, uid, gid, p string) ([]*FileInfo, error)

ListVersions list all the versions for a given file.

func (*Client) PurgeDeletedEntries 

func (c *Client) PurgeDeletedEntries(ctx context.Context, uid, gid string) error

PurgeDeletedEntries purges all entries from the recycle bin.

func (*Client) Read 

func (c *Client) Read(ctx context.Context, uid, gid, path string) (io.ReadCloser, error)

Read reads a file from the mgm

func (*Client) ReadVersion 

func (c *Client) ReadVersion(ctx context.Context, uid, gid, p, version string) (io.ReadCloser, error)

ReadVersion reads the version for the given file.

func (*Client) Remove 

func (c *Client) Remove(ctx context.Context, uid, gid, path string) error

Remove removes the resource at the given path

func (*Client) RemoveACL 

func (c *Client) RemoveACL(ctx context.Context, uid, gid, rootUID, rootGID, path string, a *acl.Entry) error

RemoveACL removes the acl from EOS.

func (*Client) Rename 

func (c *Client) Rename(ctx context.Context, uid, gid, oldPath, newPath string) error

Rename renames the resource referenced by oldPath to newPath

func (*Client) RestoreDeletedEntry 

func (c *Client) RestoreDeletedEntry(ctx context.Context, uid, gid, key string) error

RestoreDeletedEntry restores a deleted entry.

func (*Client) RollbackToVersion 

func (c *Client) RollbackToVersion(ctx context.Context, uid, gid, path, version string) error

RollbackToVersion rollbacks a file to a previous version.

func (*Client) SetAttr added in v0.1.0 

func (c *Client) SetAttr(ctx context.Context, uid, gid string, attr *Attribute, recursive bool, path string) error

SetAttr sets an extended attributes on a path.

func (*Client) Touch added in v0.1.0 

func (c *Client) Touch(ctx context.Context, uid, gid, path string) error

Touch creates a 0-size,0-replica file in the EOS namespace.

func (*Client) UnsetAttr added in v0.1.0 

func (c *Client) UnsetAttr(ctx context.Context, uid, gid string, attr *Attribute, path string) error

UnsetAttr unsets an extended attribute on a path.

func (*Client) UpdateACL 

func (c *Client) UpdateACL(ctx context.Context, uid, gid, rootUID, rootGID, path string, a *acl.Entry) error

UpdateACL updates the EOS acl.

func (*Client) Write 

func (c *Client) Write(ctx context.Context, uid, gid, path string, stream io.ReadCloser) error

Write writes a stream to the mgm

func (*Client) WriteFile added in v1.1.0 

func (c *Client) WriteFile(ctx context.Context, uid, gid, path, source string) error

WriteFile writes an existing file to the mgm

type DeletedEntry 

type DeletedEntry struct {
	RestorePath   string
	RestoreKey    string
	Size          uint64
	DeletionMTime uint64
	IsDir         bool
}

DeletedEntry represents an entry from the trashbin.

type FileInfo 

type FileInfo struct {
	IsDir      bool
	MTimeNanos uint32
	Inode      uint64            `json:"inode"`
	FID        uint64            `json:"fid"`
	UID        uint64            `json:"uid"`
	GID        uint64            `json:"gid"`
	TreeSize   uint64            `json:"tree_size"`
	MTimeSec   uint64            `json:"mtime_sec"`
	Size       uint64            `json:"size"`
	TreeCount  uint64            `json:"tree_count"`
	File       string            `json:"eos_file"`
	ETag       string            `json:"etag"`
	Instance   string            `json:"instance"`
	SysACL     string            `json:"sys_acl"`
	Attrs      map[string]string `json:"attrs"`
}

FileInfo represents the metadata information returned by querying the EOS namespace.

type Options 

type Options struct {

	// ForceSingleUserMode forces all connections to use only one user.
	// This is the case when access to EOS is done from FUSE under apache or www-data.
	ForceSingleUserMode bool

	// UseKeyTabAuth changes will authenticate requests by using an EOS keytab.
	UseKeytab bool

	// SingleUsername is the username to use when connecting to EOS.
	// Defaults to apache
	SingleUsername string

	// Location of the eos binary.
	// Default is /usr/bin/eos.
	EosBinary string

	// Location of the xrdcopy binary.
	// Default is /usr/bin/xrdcopy.
	XrdcopyBinary string

	// URL of the EOS MGM.
	// Default is root://eos-example.org
	URL string

	// Location on the local fs where to store reads.
	// Defaults to os.TempDir()
	CacheDirectory string

	// Keytab is the location of the EOS keytab file.
	Keytab string

	// SecProtocol is the comma separated list of security protocols used by xrootd.
	// For example: "sss, unix"
	SecProtocol string
}

Options to configure the Client.

type QuotaInfo added in v0.0.2 

type QuotaInfo struct {
	AvailableBytes, UsedBytes   int
	AvailableInodes, UsedInodes int
}

QuotaInfo reports the available bytes and inodes for a particular user.

Source Files

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