uncloud/docs/source/introduction/installation.rst

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Installation
============
.. note::
The below installation instructions are for single node and without ceph ucloud installation.
The instructions assumes the following things
* User is **root**.
2019-11-15 16:11:45 +00:00
* Base Directory is :file:`/root/`.
Alpine
------
Python Wheel (Binary) Packages does not support Alpine Linux as it is using musl libc instead of glibc.
Therefore, expect longer installation times than other linux distributions.
Enable Edge Repos, Update and Upgrade
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. warning::
The below commands would overwrite your repositories sources and upgrade all packages and their dependencies to match those available in edge repos. **So, be warned**
.. code-block:: sh
:linenos:
cat > /etc/apk/repositories << EOF
http://dl-cdn.alpinelinux.org/alpine/edge/main
http://dl-cdn.alpinelinux.org/alpine/edge/community
http://dl-cdn.alpinelinux.org/alpine/edge/testing
EOF
apk update
apk upgrade
reboot
Install Dependencies
~~~~~~~~~~~~~~~~~~~~
.. note::
The installation and configuration of a production grade etcd cluster
is out of scope of this manual. So, we will install etcd with default configuration.
.. code-block:: sh
:linenos:
apk add git python3 alpine-sdk python3-dev etcd etcd-ctl openntpd \
libffi-dev openssl-dev make py3-protobuf py3-tempita chrony \
qemu qemu-system-x86_64 qemu-img
pip3 install pipenv
Syncronize Date/Time
~~~~~~~~~~~~~~~~~~~~
.. code-block:: sh
:linenos:
service chronyd start
rc-update add chronyd
Start etcd and enable it
~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: sh
:linenos:
start-stop-daemon -b etcd
rc-update add etcd
Install uotp
~~~~~~~~~~~~
.. code-block:: sh
:linenos:
git clone https://code.ungleich.ch/ungleich-public/uotp.git
cd uotp
mv .env.sample .env
pipenv --three --site-packages
pipenv install
pipenv run python app.py
Run :code:`ETCDCTL_API=3 etcdctl get /uotp/admin --print-value-only` to get admin seed. A sample output
.. code-block:: json
{
"seed": "FYTVQ72A2CJJ4TB4",
"realm": ["ungleich-admin"]
}
Now, run :code:`pipenv run python scripts/create-auth.py FYTVQ72A2CJJ4TB4` (Replace **FYTVQ72A2CJJ4TB4** with your admin seed obtained in previous step).
A sample output is as below. It shows seed of auth.
.. code-block:: json
{
"message": "Account Created\nname: auth, realm: ['ungleich-auth'], seed: XZLTUMX26TRAZOXC"
}
.. note::
Please note both **admin** and **auth** seeds as we would need them in setting up ucloud
Install and configure ucloud
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: sh
:linenos:
git clone https://code.ungleich.ch/ucloud/ucloud.git
cd ucloud
pipenv --three --site-packages
pipenv install
You just need to update **AUTH_SEED** in the below code to match your auth's seed.
.. code-block:: sh
:linenos:
cat > .env << EOF
AUTH_NAME=auth
AUTH_SEED=XZLTUMX26TRAZOXC
AUTH_REALM=ungleich-auth
REALM_ALLOWED = ["ungleich-admin", "ungleich-user"]
OTP_SERVER="http://127.0.0.1:8000/"
ETCD_URL=localhost
WITHOUT_CEPH=True
BASE_DIR=/var/www
IMAGE_DIR=/var/image
VM_DIR=/var/vm
VM_PREFIX=/v1/vm/
HOST_PREFIX=/v1/host/
REQUEST_PREFIX=/v1/request/
FILE_PREFIX=/v1/file/
IMAGE_PREFIX=/v1/image/
IMAGE_STORE_PREFIX=/v1/image_store/
USER_PREFIX=/v1/user/
NETWORK_PREFIX=/v1/network/
ssh_username=meow
ssh_pkey="~/.ssh/id_rsa"
VXLAN_PHY_DEV="eth0"
EOF
Install and configure ucloud-cli
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: sh
:linenos:
git clone https://code.ungleich.ch/ucloud/ucloud-cli.git
cd ucloud-cli
pipenv --three --site-packages
pipenv install
cat > .env << EOF
UCLOUD_API_SERVER=http://localhost:5000
EOF
mkdir /var/www/
mkdir /var/image/
mkdir /var/vm/
Environment Variables and aliases
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
To ease usage of ucloud and its various componenets put the following in your shell
profile e.g *~/.profile*
.. code-block:: sh
export OTP_NAME=admin
export OTP_REALM=ungleich-admin
export OTP_SEED=FYTVQ72A2CJJ4TB4
alias ucloud='cd /root/ucloud/ && pipenv run python ucloud.py'
alias ucloud-cli='cd /root/ucloud-cli/ && pipenv run python ucloud.py'
alias uotp='cd /root/uotp/ && pipenv run python app.py'
and run :code:`source ~/.profile`