Documentation for Object Storage feature (#338)

Added documentation for Object Storage feature, apache/cloudstack#7752

Author: kishankavala

source/_static/images/add-bucket.png

@@ -1070,6 +1070,36 @@ primary storage see :ref:`add-primary-storage`.
 For protocol choose ``Linstor`` and as server specify the controller REST-API URL e.g.: ``http://127.0.0.1:3370``
 and use the resource group name you added in the LINSTOR cluster.
 
+Object Storage
+---------------
+
+This section gives technical details about CloudStack
+object storage. For more information about the concepts behind object storage
+see :ref:`about-object-storage` . For information about how to install and configure
+object storage through the CloudStack UI, see the in the Installation Guide.
+
+
+Creating a New Bucket
+~~~~~~~~~~~~~~~~~~~~~
+
+Buckets are logical containers for storing objects. To create a New Bucket:
+
+#. Log in to the CloudStack UI as a user or administrator.
+
+#. In the left navigation bar, click Storage.
+
+#. In Select View, choose Buckets.
+
+To create a new bucket, click create Bucket, provide the following details, and click OK.
+
+#. Name: Give the bucket a unique name.
+
+#. Object Store: Select the object store where you want the Bucket to reside
+
+Based on the selected Object Store, you can specify additional details like quota, encryption, policy.
+
+|Createbucket.png|
+
 
 .. |AttachDiskButton.png| image:: /_static/images/attach-disk-icon.png
    :alt: Attach Disk Button.
@@ -1089,3 +1119,5 @@ and use the resource group name you added in the LINSTOR cluster.
    :alt: Volume metrics   
 .. |volume-from-snap.png| image:: /_static/images/volume-from-snap.png
    :alt: Offering is needed when creating a volume from the ROOT Volume Snapshot.
+.. |Createbucket.png| image:: /_static/images/add-bucket.png
+   :alt: Create Bucket

source/_static/images/add-object-store.png

@@ -502,6 +502,15 @@ cloud.
    you cannot set up multiple zones, one using NFS secondary and the other 
    using S3 or Swift secondary.
 
+.. _about-object-storage:
+
+About Object Storage
+~~~~~~~~~~~~~~~~~~~~~~~
+Object storage (also known as object-based storage) is a data storage that manages data as objects.
+CloudStack admin can setup supported Object Storage systems and add them to CloudStack as an Object Storage Pool.
+Users can create buckets within the object storage pool.
+The basic storage units of Object Store are objects. Any type of data, regardless of content type, is stored as an object.
+Buckets are logical containers for storing objects.
 
 About Physical Networks
 ~~~~~~~~~~~~~~~~~~~~~~~

source/adminguide/storage.rst

@@ -1584,6 +1584,43 @@ zone:
    -  Path. The path to the zone's Secondary Staging Store.
 
 
+Adding Object Storage
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+You can add  object storage pools at any time to add more capacity or providers to CloudStack
+
+
+
+#. Make sure you have installed supported Object Storage provider and the Object Store is accessible from CloudStack Management Server
+
+
+#. Log in to the CloudStack UI as root administrator.
+
+#. In the left navigation bar, click Infrastructure.
+
+#. In Object Storage, click View All.
+
+#. Click Add Object Storage.
+
+#. Fill in the following fields:
+
+   -  Name. Give the object store a descriptive name.
+
+   -  Provider. Choose provider and then fill in the related
+      fields which appear. The fields will vary depending on the object storage
+      provider; for more information, consult the provider's
+      documentation (such as the MinIO website).
+
+   -  URL: API endpoint of the object storage server
+
+   -  Access key: Credentials with access to admin API of the object storage server
+
+   -  Secret key: Credentials with access to admin API of the object storage server
+
+   |AddObjectStore.png: Add Object Storage|
+
+See https://min.io/docs/minio/linux/index.html for MinIO Documentation
+
 .. _initialize-and-test:
 
 Initialize and Test
@@ -1785,3 +1822,4 @@ zone      denied.routes                                              Routes that
 .. |addcluster.png: add a cluster| image:: /_static/images/add-cluster.png
 .. |add-Host.png: Adding a KVM Host| image:: /_static/images/add-Host.png
 .. |ConsoleButton.png: button to launch a console| image:: /_static/images/console-icon.png
+.. |AddObjectStore.png: Add Object Storage| image:: /_static/images/add-object-store.png