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Merge branch 'master' of github.com:clearlinux/clear-linux-documentation into rtd-theme

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Kevin Putnam
2019-07-31 11:24:20 -07:00
parent 2b161b0ac3 270850a51e
commit a542c66b40
1 changed files with 23 additions and 14 deletions
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source/tutorials/kubernetes/kubernetes.rst
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@@ -7,20 +7,24 @@ This tutorial describes how to install, configure, and run the
`Kubernetes container orchestration system`_ on |CL-ATTR| using CRI+O and
kata-runtime.
Kubernetes\* is an open source system for automating deployment, scaling, and
.. contents::
:local:
:depth: 1
Description
***********
Kubernetes is an open source system for automating deployment, scaling, and
management of containerized applications. It groups containers that make up
an application into logical units for easy management and discovery.
Kata Containers\* kata-runtime adheres to
:abbr:`OCI (Open Container Initiative*)` guidelines and work seamlessly with
Kubernetes. `Kata Containers`_ provide strong isolation for untrusted
:abbr:`OCI (Open Container Initiative*)` guidelines and works seamlessly with
Kubernetes. `Kata Containers`_ provides strong isolation for untrusted
workloads or multi-tenant scenarios. Kata Containers can be
allocated on a per-pod basis so you can mix and match both on the same host
allocated on a per-pod basis, so you can mix and match both on the same host
to suit your needs.
.. contents:: :local:
:depth: 1
Prerequisites
*************
@@ -267,9 +271,10 @@ Proxy configuration (optional)
******************************
If you use a proxy server, you must set your proxy environment variables and
create an appropriate proxy configuration file for both CRI-O services. Consult your IT department if you are behind a corporate proxy for
the appropriate values. Ensure that your local IP is **explicitly included**
in the environment variable *NO_PROXY*. (Setting *localhost* is not enough.)
create an appropriate proxy configuration file for both CRI-O services. Consult
your IT department if you are behind a corporate proxy for the appropriate
values. Ensure that your local IP is **explicitly included** in the environment
variable *NO_PROXY*. (Setting *localhost* is not enough.)
If you have already set your proxy environment variables, run the following
commands as a shell script to configure all of these services in one step:
@@ -304,7 +309,8 @@ Troubleshooting
For example: 100.200.50.20 myhost
Use the commands :command:`hostname` and :command:`hostname -I` to retrieve them.
Use the commands :command:`hostname` and :command:`hostname -I`
to retrieve them.
* Images cannot be pulled.
@@ -343,8 +349,8 @@ Troubleshooting
sudo touch profile
#. With a preferred editor, open `profile`, and enter your proxy settings.
Example shown below.
#. With your preferred editor, open `profile`, and enter your proxy settings.
An example is shown below.
.. code-block:: bash
@@ -359,7 +365,8 @@ Troubleshooting
#. Save and exit the `profile`.
#. Run:
#. Update your system's environment settings by executing the following
command:
.. code-block:: bash
@@ -383,6 +390,8 @@ Troubleshooting
/* Kubernetes with CRI-O + kata-runtime */
sudo -E kubeadm init --cri-socket=/run/crio/crio.sock
.. _Kubernetes container orchestration system: https://kubernetes.io/
.. _Kata Containers: https://katacontainers.io/