78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
//go:build !plan9
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// +build !plan9
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// Package hdfs provides an interface to the HDFS storage system.
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package hdfs
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import (
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"path"
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"strings"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/config"
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"github.com/rclone/rclone/lib/encoder"
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)
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func init() {
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fsi := &fs.RegInfo{
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Name: "hdfs",
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Description: "Hadoop distributed file system",
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NewFs: NewFs,
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Options: []fs.Option{{
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Name: "namenode",
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Help: "Hadoop name node and port.\n\nE.g. \"namenode:8020\" to connect to host namenode at port 8020.",
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Required: true,
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}, {
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Name: "username",
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Help: "Hadoop user name.",
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Examples: []fs.OptionExample{{
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Value: "root",
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Help: "Connect to hdfs as root.",
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}},
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}, {
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Name: "service_principal_name",
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Help: `Kerberos service principal name for the namenode.
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Enables KERBEROS authentication. Specifies the Service Principal Name
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(SERVICE/FQDN) for the namenode. E.g. \"hdfs/namenode.hadoop.docker\"
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for namenode running as service 'hdfs' with FQDN 'namenode.hadoop.docker'.`,
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Advanced: true,
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}, {
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Name: "data_transfer_protection",
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Help: `Kerberos data transfer protection: authentication|integrity|privacy.
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Specifies whether or not authentication, data signature integrity
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checks, and wire encryption are required when communicating with
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the datanodes. Possible values are 'authentication', 'integrity'
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and 'privacy'. Used only with KERBEROS enabled.`,
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Examples: []fs.OptionExample{{
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Value: "privacy",
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Help: "Ensure authentication, integrity and encryption enabled.",
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}},
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Advanced: true,
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}, {
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Name: config.ConfigEncoding,
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Help: config.ConfigEncodingHelp,
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Advanced: true,
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Default: (encoder.Display | encoder.EncodeInvalidUtf8 | encoder.EncodeColon),
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}},
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}
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fs.Register(fsi)
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}
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// Options for this backend
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type Options struct {
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Namenode string `config:"namenode"`
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Username string `config:"username"`
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ServicePrincipalName string `config:"service_principal_name"`
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DataTransferProtection string `config:"data_transfer_protection"`
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Enc encoder.MultiEncoder `config:"encoding"`
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}
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// xPath make correct file path with leading '/'
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func xPath(root string, tail string) string {
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if !strings.HasPrefix(root, "/") {
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root = "/" + root
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}
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return path.Join(root, tail)
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}
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