s3: add Zero Services (ZERO-Z3) provider

ZERO-Z3 is S3-compatible object storage built on Ceph RADOS Gateway,
hosted in the EU on Zero Services' own network (AS215197), with
region-specific endpoints (zero-fra1, zero-fra2, zero-eyl1).

README.md

@@ -131,6 +131,7 @@ directories to and from different cloud storage providers.
 - WebDAV [:page_facing_up:](https://rclone.org/webdav/)
 - Yandex Disk [:page_facing_up:](https://rclone.org/yandex/)
 - Zadara Object Storage [:page_facing_up:](https://rclone.org/s3/#zadara)
+- Zero Services (ZERO-Z3) [:page_facing_up:](https://rclone.org/s3/#zero-z3)
 - Zoho WorkDrive [:page_facing_up:](https://rclone.org/zoho/)
 - Zata.ai [:page_facing_up:](https://rclone.org/s3/#Zata)
 - The local filesystem [:page_facing_up:](https://rclone.org/local/)

backend/s3/provider/ZeroServices.yaml

@@ -0,0 +1,17 @@
+name: ZeroServices
+description: Zero Services GmbH (ZERO-Z3)
+region:
+  zero-fra1: Frankfurt 1
+  zero-fra2: Frankfurt 2
+  zero-eyl1: Eyl 1
+endpoint:
+  fra1.s3.zeroservices.eu: Frankfurt 1
+  fra.s3.zeroservices.eu: Frankfurt 2
+  eyl1.s3.zeroservices.eu: Eyl 1
+location_constraint: {}
+acl: {}
+bucket_acl: true
+quirks:
+  force_path_style: true
+  list_url_encode: false
+  use_already_exists: false

docs/content/_index.md

@@ -224,6 +224,7 @@ WebDAV or S3, that work out of the box.)
 {{< provider name="WebDAV" home="https://en.wikipedia.org/wiki/WebDAV" config="/webdav/" >}}
 {{< provider name="Yandex Disk" home="https://disk.yandex.com/" config="/yandex/" >}}
 {{< provider name="Zadara Object Storage" home="https://www.zadara.com" config="/s3/#zadara" >}}
+{{< provider name="Zero Services (ZERO-Z3)" home="https://lp.zeroservices.eu/zero-z3/" config="/s3/#zero-z3" >}}
 {{< provider name="Zoho WorkDrive" home="https://www.zoho.com/workdrive/" config="/zoho/" >}}
 {{< provider name="Zata" home="https://zata.ai/" config="/s3/#Zata" end="true" >}}
 {{< provider name="The local filesystem" home="/local/" config="/local/" end="true">}}

docs/content/s3.md

@@ -60,7 +60,8 @@ The S3 backend can be used with a number of different providers:
 {{< provider name="US3" home="https://www.ucloud.cn/site/product/ufile.html" config="/s3/#us3" >}}
 {{< provider name="Wasabi" home="https://wasabi.com/" config="/s3/#wasabi" >}}
 {{< provider name="Zadara Object Storage" home="https://www.zadara.com" config="/s3/#zadara" >}}
-{{< provider name="Zata" home="https://zata.ai/" config="/s3/#Zata" end="true" >}}
+{{< provider name="Zata" home="https://zata.ai/" config="/s3/#Zata" >}}
+{{< provider name="Zero Services (ZERO-Z3)" home="https://lp.zeroservices.eu/zero-z3/" config="/s3/#zero-z3" end="true" >}}
 {{< /provider_list >}}
 
 <!-- markdownlint-restore -->
@@ -10354,6 +10355,98 @@ region = us-east-1
 endpoint = idr01.zata.ai
 ```
 
+### Zero Services (ZERO-Z3) {#zero-z3}
+
+[Zero Services GmbH](https://lp.zeroservices.eu/zero-z3/) offers ZERO-Z3, S3-compatible
+object storage hosted in the EU on its own network (AS215197). It is built on
+Ceph RADOS Gateway.
+
+First run:
+
+```console
+rclone config
+```
+
+```text
+This will guide you through an interactive setup process:
+
+n) New remote
+n/s/q> n
+
+Enter name for new remote.
+name> zero-z3
+
+Option Storage.
+Type of storage to configure.
+Choose a number from below, or type in your own value.
+[snip]
+XX / Amazon S3 Compliant Storage Providers including AWS, ..., ZeroServices, ... and others
+   \ (s3)
+Storage> s3
+
+Option provider.
+Choose your S3 provider.
+[snip]
+XX / Zero Services GmbH (ZERO-Z3)
+   \ (ZeroServices)
+provider> ZeroServices
+
+Option env_auth.
+Get AWS credentials from runtime (environment variables or EC2/ECS meta data if no env vars).
+ 1 / Enter AWS credentials in the next step.
+   \ (false)
+ 2 / Get AWS credentials from the environment (env vars or IAM).
+   \ (true)
+env_auth> 1
+
+Option access_key_id.
+AWS Access Key ID.
+access_key_id> ACCESS_KEY
+
+Option secret_access_key.
+AWS Secret Access Key (password).
+secret_access_key> SECRET_KEY
+
+Option region.
+Region to connect to.
+ 1 / Frankfurt 1
+   \ (zero-fra1)
+ 2 / Frankfurt 2
+   \ (zero-fra2)
+ 3 / Eyl 1
+   \ (zero-eyl1)
+region> 2
+
+Option endpoint.
+Endpoint for ZERO-Z3.
+ 1 / Frankfurt 1
+   \ (fra1.s3.zeroservices.eu)
+ 2 / Frankfurt 2
+   \ (fra.s3.zeroservices.eu)
+ 3 / Eyl 1
+   \ (eyl1.s3.zeroservices.eu)
+endpoint> 2
+
+Option acl.
+Canned ACL used when creating buckets and storing or copying objects.
+[snip]
+acl> 1
+
+Edit advanced config?
+y/n> n
+
+Configuration complete.
+Options:
+- type: s3
+- provider: ZeroServices
+- access_key_id: ACCESS_KEY
+- secret_access_key: SECRET_KEY
+- region: zero-fra2
+- endpoint: fra.s3.zeroservices.eu
+Keep this "zero-z3" remote?
+y/e/d> y
+```
+
 ## Memory usage {#memory}
 
 The most common cause of rclone using lots of memory is a single