uncloud/uncloud_etcd_based/docs/source/user-guide.rst

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.. _user-guide:
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User Guide
==========
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Create VM
---------
The following command would create a Virtual Machine (name: meow)
with following specs
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* CPU: 1
* RAM: 1GB
* OS-SSD: 4GB
* OS: Alpine Linux
.. code-block:: sh
ucloud-cli vm create --vm-name meow --cpu 1 --ram '1gb' --os-ssd '4gb' --image images:alpine
.. _how-to-check-vm-status:
Check VM Status
---------------
.. code-block:: sh
ucloud-cli vm status --vm-name meow
.. code-block:: json
{
"hostname": "/v1/host/74c21c332f664972bf5078e8de080eea",
"image_uuid": "3f75bd20-45d6-4013-89c4-7fceaedc8dda",
"in_migration": null,
"log": [
"2019-11-12T09:11:09.800798 - Started successfully"
],
"metadata": {
"ssh-keys": []
},
"name": "meow",
"network": [],
"owner": "admin",
"owner_realm": "ungleich-admin",
"specs": {
"cpu": 1,
"hdd": [],
"os-ssd": "4.0 GB",
"ram": "1.0 GB"
},
"status": "RUNNING",
"vnc_socket": "/tmp/tmpj1k6sdo_"
}
Connect to VM using VNC
-----------------------
We would need **socat** utility and a remote desktop client
e.g Remmina, KRDC etc. We can get the vnc socket path by getting
its status, see :ref:`how-to-check-vm-status`.
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.. code-block:: sh
socat TCP-LISTEN:1234,reuseaddr,fork UNIX-CLIENT:/tmp/tmpj1k6sdo_
Then, launch your remote desktop client and connect to vnc://localhost:1234.
Create Network
--------------
Layer 2 Network with sample IPv6 range fd00::/64 (without IPAM and routing)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code-block:: sh
ucloud-cli network create --network-name mynet --network-type vxlan
Layer 2 Network with /64 network with automatic IPAM
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: sh
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ucloud-cli network create --network-name mynet --network-type vxlan --user True
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Attach Network to VM
--------------------
Currently, user can only attach network to his/her VM at
the time of creation. A sample command to create VM with
a network is as follow
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.. code-block:: sh
ucloud-cli vm create --vm-name meow2 --cpu 1 --ram '1gb' --os-ssd '4gb' --image images:alpine --network mynet
.. _get-list-of-hosts:
Get List of Hosts
-----------------
.. code-block:: sh
ucloud-cli host list
Migrate VM
----------
.. code-block:: sh
ucloud-cli vm migrate --vm-name meow --destination server1.place10
.. option:: --destination
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The name of destination host. You can find a list of host
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using :ref:`get-list-of-hosts`