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# ucloud User Guide
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## Pre-requisite
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1. You need to have an Account at [accounts.ungleich.ch](https://account.ungleich.ch). If you don't have it create one.
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2. Login and click on **SHOW SEEDS** button. On the next page it will show you your seed mentioned next to your user realm.
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## Installation
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To install `ucloud-cli` you need to execute the following commands. Make sure you have [Python 3.7](https://www.python.org/) and [pipenv](https://pypi.org/project/pipenv/) installed.
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1. Clone `ucloud-cli` git repository. `ucloud-cli` is needed to talk with ucloud backend i.e create/delete/start/stop VM, attach network to VM etc.
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   ```bash
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   git clone https://code.ungleich.ch/ungleich-public/ucloud-cli.git
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   ```
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2. Change your directory to recently cloned repository.
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    ```bash
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    cd ucloud-cli
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    ```
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3. Install dependencies of `ucloud-cli`
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    ```bash
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    pipenv install
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    ```
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4. Activate `ucloud-cli`
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    ```bash
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    pipenv shell
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    ```
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5. Run the following command to ensure that you have successfully installed `ucloud-cli`
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    ```bash
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    python ucloud.py
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    ```
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    If the output looks somewhat similar to this then you have successfully installed `ucloud-cli`
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    ```bash
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    Usage: ucloud.py [OPTIONS] COMMAND [ARGS]...
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    Options:
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    --help  Show this message and exit.
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    Commands:
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    host
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    image
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    user
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    vm
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    ```
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## Examples
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### Create VM
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1. Create a file name *specs.json* and put your required VM's specification in it. Save it in `ucloud-cli` directory. A sample is given below.
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    ```json
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    {
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        "cpu": 2,
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        "ram": "2GB",
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        "hdd": "10GB"
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    }
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    ```
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2. Find out which image you want to use by running the following command. Image means the Operating System which you want to use in your VM.
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    ```bash
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    python ucloud.py image list --public
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    ```
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    It will show list of available images. Sample output
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    ```json
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    {
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        "253286ee-5a74-4747-808d-e47d7c3ce4ed": {
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            "filename": "alpine.qcow2",
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            "name": "alpine",
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            "owner": "ahmedbilal-admin",
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            "status": "CREATED",
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            "store_name": "images",
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            "visibility": "public"
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        },
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        "1245856ee-2345-4747-56798-ejdf72394d": {
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            "filename": "devuan.qcow2",
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            "name": "devuan",
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            "owner": "ahmedbilal-admin",
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            "status": "CREATED",
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            "store_name": "images",
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            "visibility": "public"
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        }
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    }
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    ```
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3. Suppose, we want to create our VM with alpine Image. So, we would use uuid of alpine linux i.e **253286ee-5a74-4747-808d-e47d7c3ce4ed**. 
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4. Run the following command to create your VM.
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    ```bash
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    python ucloud vm create --name {YOUR_USERNAME} --realm {YOUR_REALM} --seed {YOUR_SEED} --specs specs.json --image_uuid 253286ee-5a74-4747-808d-e47d7c3ce4ed
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    ```
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    It will show something like the following
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    ```json
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    {
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        "message": "VM Creation Queued"
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    }
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    ```
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