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Commit afdddc8d authored by Nikos Skalkotos's avatar Nikos Skalkotos
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Rephrase overview and install section in docs

Make them comply with current source tree
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......@@ -15,7 +15,8 @@ snf-image-creator depends on the following programs:
* Python Dialog [http://pythondialog.sourceforge.net/]
* Python bindings for libguestfs [http://libguestfs.org/]
* Python interface to sendfile [http://pypi.python.org/pypi/pysendfile]
* Kamaki [https://code.grnet.gr/projects/kamaki]
* pyparted [https://fedorahosted.org/pyparted/]
* ./kamaki [https://code.grnet.gr/projects/kamaki]
* Python sh (previously pbs) [https://github.com/amoffat/sh]
* ANSI colors for Python [http://pypi.python.org/pypi/ansicolors]
* progress [http://pypi.python.org/pypi/progress]
......@@ -23,111 +24,93 @@ snf-image-creator depends on the following programs:
The above dependencies are resolved differently, depending on the installation
method you choose. There are two installation methods available:
#. `Install snf-image-creator using official packages`_ (currently only for
Ubuntu 12.04, more OSes will be supported soon)
#. `Install snf-image-creator from source`_ (provided you meet the above
dependencies)
#. `Installation using official packages <#install-snf-image-creator-using-official-packages>`_ (currently only for Ubuntu 12.04 LTS and 12.10).
Both methods are presented below.
#. `Installation from source <#install-snf-image-creator-using-official-packages>`_
Install snf-image-creator using official packages
=================================================
This method of installing snf-image-creator has all the advantages of Ubuntu's
APT installation:
For Ubuntu systems, you can use our official packages found in the Lauchpad
PPA: *ppa:grnet/synnefo*
* Automatic resolution of dependencies
* Simple installation of consequent updates
.. note::
This method of installing snf-image-creator has all the advantages of
Ubuntu's APT installation, like automatic dependencies resolution and simple
update process.
In order to proceed with the installation, you must first add GRNET's dev repo
to your sources. You can use the following commands:
In order to proceed with the installation, you must first add the synnefo PPA
repository in your system:
.. code-block:: console
$ cd /etc/apt/sources.list.d
$ echo "deb http://apt.dev.grnet.gr precise main" | \
sudo tee -a apt.dev.grnet.gr.list
$ echo "deb-src http://apt.dev.grnet.gr precise main" | \
sudo tee -a apt.dev.grnet.gr.list
You will also need to import the repo's GPG key. You can use the ``curl`` tool
for this.
.. code-block:: console
$ sudo apt-get install curl
Use the following command to import the GPG key:
.. code-block:: console
$ sudo curl https://dev.grnet.gr/files/apt-grnetdev.pub | sudo apt-key add -
$ sudo apt-add-repository ppa:grnet/synnefo
$ sudo apt-get update
You can verify that the repo has been added successfully if snf-image-creator
exists as a package. First do an update of your sources:
If *apt-add-repository* is missing, install *software-properties-common* first:
.. code-block:: console
$ sudo apt-get update
$ sudo apt-get install software-properties-common
then check if snf-image-creator exists with the following command:
The snf-image-creator package should now be listed calling:
.. code-block:: console
$ apt-cache showpkg snf-image-creator
If GRNET's dev repo has been added successfully, you can install
snf-image-creator, along with its dependencies, with the following command:
You can now install the package by issuing:
.. code-block:: console
$ sudo apt-get install snf-image-creator
The installation may take a while. Please note that at some point during the
installation you will be prompted to create/update a "supermin appliance". This
is a setting regarding libguestfs and you can safely choose "Yes".
.. note::
If you are asked during the installation to create/update a
"supermin appliance", choose "Yes".
Install snf-image-creator from source
=====================================
This method provides you with the cutting edge of snf-image-creator, which
gives you access to all the latest features. Keep in mind, however,
that you may experience instability issues.
Manually install the following dependencies:
The first five dependencies (python2, setuptools, Python-Dialog, libguestfs and
python-sendfile) need to be installed manually by the user. In an Ubuntu 12.04
LTS system this can be achieved by installing packages provided by the
distribution, using the following command:
* Python 2 [http://www.python.org/]
* Python setuptools [http://pypi.python.org/pypi/setuptools]
* Python Dialog [http://pythondialog.sourceforge.net/]
* Python bindings for libguestfs [http://libguestfs.org/]
* Python interface to sendfile [http://pypi.python.org/pypi/pysendfile]
* pyparted [https://fedorahosted.org/pyparted/]
In Ubuntu you can do this using:
.. code-block:: console
$ apt-get install python-setuptools python-guestfs python-dialog python-sendfile
The rest of the dependencies will be automatically resolved by setuptools.
Note that at some point during the installation, you will be prompted to
create/update a "supermin appliance". This is a setting regarding libguestfs
and you can safely choose "Yes".
$ apt-get install python-setuptools python-guestfs python-dialog \
python-sendfile python-parted
In order to download the source files, git needs to be installed. You can do
so with the following command:
.. note::
.. code-block:: console
If during the installation you get prompted to create/update a
"supermin appliance", choose "Yes".
$ apt-get install git
Python Virtual Environment
--------------------------
Since snf-image-creator and the rest of its dependencies won't be installed
using packages, it's better to work in an isolated python virtual environment
(virtualenv). Installing the Virtual Python Environment builder in Ubuntu can
be accomplished using the following command:
(virtualenv).
Install the Virtual Python Environment builder:
http://pypi.python.org/pypi/virtualenv.
For Ubuntu use the following command:
.. code-block:: console
$ apt-get install python-virtualenv
Now, create a new python virtual environment like this:
Create a new python virtual environment:
.. code-block:: console
......@@ -139,65 +122,51 @@ and activate it by executing:
$ source ~/image-creator-env/bin/activate
You can later deactivate it using the following command:
You may later deactivate it using:
.. code-block:: console
$ deactivate
snf-common Installation
-----------------------
Install snf-common from source, by cloning it's repository:
.. code-block:: console
$ cd ~
$ git clone https://code.grnet.gr/git/synnefo
$ cd synnefo/snf-common
$ python setup.py build
Then, make sure you are within the activated virtual environment before you
execute:
.. code-block:: console
$ python setup.py install
kamaki Installation
-------------------
Install kamaki from source, by cloning it's repository:
.. code-block:: console
Refer to `./kamaki documentation <http://docs.dev.grnet.gr/kamaki/latest/installation.html>`_
for instructions. You may install kamaki from source inside the virtualenv or
use binary packages if they are available for your distribution.
$ cd ~
$ git clone https://code.grnet.gr/git/kamaki
$ cd kamaki
$ ./setup.py build
snf-image-creator Installation
------------------------------
As above, make sure you are within the activated virtual environment before you
execute:
Download the latest snf-image-creator source package from
`here <https://code.grnet.gr/projects/snf-image-creator/files>`_ and install it
inside the virtualenv using the following commands:
.. code-block:: console
$ ./setup.py install
snf-image-creator Installation
------------------------------
$ tar -xf snf_image_creator-<VERSION>.tar.gz
$ cd snf_image_creator-<VERSION>
$ python ./setup install
Install snf-image-creator the same way:
Alternatively, you can install the bleeding edge version of the software by
cloning its git repository:
.. code-block:: console
$ cd ~
$ git clone https://code.grnet.gr/git/snf-image-creator
$ cd snf-image-creator
$ git checkout stable-0.1
$ ./setup.py build
$ python ./setup.py install
And from within the virtual environment execute:
To do the latter, you'll need to have git (http://git-scm.com/) installed.
For ubuntu this can be done using:
.. code-block:: console
$ ./setup.py install
$ apt-get install git
.. warning::
Keep in mind that the bleeding edge version may be unstable or even
unusable.
......@@ -2,14 +2,14 @@ Overview
^^^^^^^^
snf-image-creator is a simple command-line tool for creating OS images. The
original media, the image is created from, can be a block device or a regular
file that represents a hard disk.
original media, the image is created from, can be a block device, a regular
file that represents a hard disk or a host system itself.
Snapshotting
============
snf-image-creator works on snapshots of the original media. Any changes made by
the program do not affect the original media.
snf-image-creator works on snapshots. Any changes made by the program do not
affect the original media.
Image Preparation
=================
......
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