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docs/source/admin-guide

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+.. _admin-guide:
+
+
+Usage Guide For Administrators
+==============================
+
+Start API
+----------
+
+.. code-block:: sh
+
+    ucloud api
+
+Host Creation
+-------------
+
+Currently, we don't have any host (that runs virtual machines).
+So, we need to create it by executing the following command
+
+.. code-block:: sh
+
+    ucloud-cli host create --hostname ungleich.ch --cpu 32 --ram '32GB' --os-ssd '32GB'
+
+You should see something like the following
+
+.. code-block:: json
+
+    {
+        "message": "Host Created"
+    }
+
+Start Scheduler
+---------------
+Scheduler is responsible for scheduling VMs on appropriate host.
+
+.. code-block:: sh
+
+    ucloud scheduler
+
+Start Host
+----------
+Host is responsible for handling the following actions
+
+* Start VM.
+* Stop VM.
+* Create VM.
+* Delete VM.
+* Migrate VM.
+* Manage Network Resources needed by VMs.
+
+It uses a hypervisor such as QEMU to perform these actions.
+
+To start host we created earlier, execute the following command
+
+.. code-block:: sh
+
+    ucloud host ungleich.ch
+
+Create OS Image
+---------------
+
+Create ucloud-init ready OS image (Optional)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+This step is optional if you just want to test ucloud. However, sooner or later
+you want to create OS images with ucloud-init to properly
+contexualize VMs.
+
+1. Start a VM with OS image on which you want to install ucloud-init
+2. Execute the following command on the started VM
+
+   .. code-block:: sh
+
+    apk add git
+    git clone https://code.ungleich.ch/ucloud/ucloud-init.git
+    cd ucloud-init
+    sh ./install.sh
+3. Congratulations. Your image is now ucloud-init ready.
+
+
+Upload Sample OS Image
+~~~~~~~~~~~~~~~~~~~~~~
+Execute the following to get the sample OS image file.
+
+.. code-block:: sh
+
+    mkdir /var/www/admin
+    (cd /var/www/admin && wget https://cloud.ungleich.ch/s/qTb5dFYW5ii8KsD/download)
+
+Run File Scanner and Image Scanner
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Currently, our uploaded file *alpine-untouched.qcow2* is not tracked by ucloud. We can only make
+images from tracked files. So, we need to track the file by running File Scanner
+
+.. code-block:: sh
+
+    ucloud filescanner
+
+File Scanner would run, scan your uploaded image and track it. You can check whether your image
+is successfully tracked by executing the :code:`ucloud-cli user files`, It will return something like the following
+
+.. _list-user-files:
+
+.. code-block:: json
+
+    {
+        "message": [
+            {
+                "filename": "alpine-untouched.qcow2",
+                "uuid": "3f75bd20-45d6-4013-89c4-7fceaedc8dda"
+            }
+        ]
+    }
+
+Our file is now being tracked by ucloud. Lets create an OS image using the uploaded file.
+
+An image belongs to an image store. There are two types of store
+
+* Public Image Store
+* Private Image Store (Not Implemented Yet)
+
+.. note::
+    **Quick Quiz** Have we created an image store yet?
+
+The answer is **No, we haven't**. Creating a sample image store is very easy.
+Just execute the following command
+
+.. code-block:: sh
+
+    (cd ~/ucloud && pipenv run python api/create_image_store.py)
+
+An image store (with name = "images") would be created. Now, we are fully ready for creating our
+very own image. Executing the following command to create image using the file uploaded earlier
+
+.. code-block:: sh
+
+    ucloud-cli image create-from-file --name alpine --uuid 3f75bd20-45d6-4013-89c4-7fceaedc8dda --image-store-name images
+
+Please note that your **uuid** would be different. See :ref:`List of user files <list-user-files>`.
+
+Now, ucloud have received our request to create an image from file. We have to run Image Scanner to make the image.
+
+.. code-block:: sh
+
+    ucloud imagescanner
+
+To make sure, that our image is create run :code:`ucloud-cli image list --public`. You would get
+output something like the following
+
+.. code-block:: json
+
+    {
+        "images": [
+            {
+                "name": "images:alpine",
+                "status": "CREATED"
+            }
+        ]
+    }