elasticsearch/docs/reference/snapshot-restore/repository-read-only-url.asciidoc
James Rodewig cb6265f9bd
[DOCS] Move snapshot repo types to separate pages (#82826)
With https://github.com/elastic/elasticsearch/pull/81870, the Azure, GCS, and S3 repository types have separate, dedicated pages in the Elasticsearch guide. For consistency, this PR creates separate pages for the shared file system, read-only URL, and source-only repository types.

Related changes:

- Adds redirects to the plugins docs
- Fixes a few breaking changes that refer to the Azure, GCS, and S3 repositories as plugins.

Co-authored-by: Adam Locke <adam.locke@elastic.co>
2022-01-26 17:13:39 -05:00

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[[snapshots-read-only-repository]]
=== Read-only URL repository
include::{es-repo-dir}/snapshot-restore/on-prem-repo-type.asciidoc[]
You can use a URL repository to give a cluster read-only access to a shared file
system. Since URL repositories are always read-only, they're a safer and more
convenient alternative to registering a read-only shared filesystem repository.
Use {kib} or the <<put-snapshot-repo-api,create snapshot repository API>> to
register a URL repository.
[source,console]
----
PUT _snapshot/my_read_only_url_repository
{
"type": "url",
"settings": {
"url": "file:/mount/backups/my_fs_backup_location"
}
}
----
// TEST[skip:no access to url file path]
[[read-only-url-repository-settings]]
==== Repository settings
`chunk_size`::
(Optional, <<byte-units,byte value>>)
Maximum size of files in snapshots. In snapshots, files larger than this are
broken down into chunks of this size or smaller. Defaults to `null` (unlimited
file size).
`http_max_retries`::
(Optional, integer) Maximum number of retries for `http` and `https` URLs.
Defaults to `5`.
`http_socket_timeout`::
(Optional, <<time-units,time value>>) Maximum wait time for data transfers over
a connection. Defaults to `50s`.
`compress`::
(Optional, Boolean)
If `true`, metadata files, such as index mappings and settings, are compressed
in snapshots. Data files are not compressed. Defaults to `true`.
`max_number_of_snapshots`::
(Optional, integer)
Maximum number of snapshots the repository can contain.
Defaults to `Integer.MAX_VALUE`, which is `2^31-1` or `2147483647`.
include::repository-shared-settings.asciidoc[tags=!readonly-repo-setting]
`url`::
+
--
(Required, string)
URL location of the root of the shared filesystem repository. The following
protocols are supported:
* `file`
* `ftp`
* `http`
* `https`
* `jar`
URLs using the `http`, `https`, or `ftp` protocols must be explicitly allowed
with the <<repositories-url-allowed,`repositories.url.allowed_urls`>> cluster
setting. This setting supports wildcards in the place of a host, path, query, or
fragment in the URL.
URLs using the `file` protocol must point to the location of a shared filesystem
accessible to all master and data nodes in the cluster. This location must be
registered in the `path.repo` setting. You don't need to register URLs using the
`ftp`, `http`, `https`, or `jar` protocols in the `path.repo` setting.
--