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Dealing with iLO firmware updates
=================================
One of the key features of python_hpilo is that it makes iLO firmware updates
painless. It can download the firmware for you, or you can feed it the .bin or
.scexe files HP ships.
From the CLI
------------
The method to call is :func:`update_rib_firmware`. To tell it which firmware
version to install, you can specify a version or a filename. To install the
latest version, you can use :data:`latest` as version. Information about
available version numbers can be found in `firmware.conf`_.
Some example commands::
hpilo_cli example-server.int.kaarsemaker.net update_rib_firmware version=1.28
hpilo_cli example-server.int.kaarsemaker.net update_rib_firmware version=latest
hpilo_cli example-server.int.kaarsemaker.net update_rib_firmware filename=CP007684.scexe
hpilo_cli example-server.int.kaarsemaker.net update_rib_firmware filename=ilo2_225.bin
If you just want to download the firmware, you can make :data:`hpilo_cli` do
that too::
hpilo_cli download_rib_firmware all # Download latest firmware for all iLO types
hpilo_cli download_rib_firmware ilo4 # Download latest iLO 4 firmware
hpilo_cli download_rib_firmware ilo4 1.50 # Download a specific firmware version
hpilo_cli download_rib_firmware ilo4 all # Download all firmware versions for iLO 4
hpilo_cli download_rib_firmware all all # Download all firmware versions for all iLO types
.. _`firmware.conf`: https://raw.githubusercontent.com/seveas/python-hpilo/master/firmware.conf
Using the API
-------------
As the CLI is merely a thin wrapper around the API, using the API is as expected::
ilo = hpilo.Ilo(hostname, login, password)
ilo.update_rib_firmware(version='latest')
But since firmware updates may take a while, the iLO can provide progress
messages, which your code may in turn show to your users. To receive these
progress message, pass a callable to the :func:`update_rib_firmware` function.
It will be called with single-line messages about the progress of the firmware
download, upload and flash processes. This example shows them to the user,
constantly overwriting the previous message::
def print_progress(text):
sys.stdout.write('\r\033[K' + text)
sys.stdout.flush()
ilo = hpilo.Ilo(hostname, login, password)
ilo.update_rib_firmware(version='latest', progress=print_progress)
print("")
Of course the firmware downloader can be used from the API as well::
import hpilo_fw
hpilo_fw.download('ilo4', path='/var/cache/ilo_fw/', progress=print_progress)
hpilo_fw.download('ilo3 1.28', path='/var/cache/ilo_fw', progress=print_progress)
Using a local firmware mirror
-----------------------------
The firmware download functions connect to the internet to download firmware.
While they can be made to use a proxy, using the standard :data:`https_proxy`
and :data:`http_proxy` variables, it may be desirable to only download data
from inside your network.
To do this, you can set a variable in ilo.conf for the cli::
[firmware]
mirror = http://buildserver.example.com/ilo-firmware/
Or if you use the API, configure the firmware downloader, both the downloader
and the updater will then use your mirror::
import hpilo, hpilo_fw
hpilo_fw.config(mirror='http://buildserver.example.com/ilo-firmware/')
ilo = hpilo.Ilo(hostname, login, password)
ilo.update_rib_firmware(version='latest', progress=print_progress)
print("")
hpilo_fw.download('ilo4', progress=print_progress)
Your mirror should contain both :file:`firmware.conf`, and the :data:`.bin`
files for all firmware versions you want to support. You can create (and
auto-update via cron) such a mirror with a simple shellscript::
#!/bin/sh
cd /var/www/html/ilo-firmware
wget -q https://raw.githubusercontent.com/seveas/python-hpilo/master/firmware.conf
hpilo_cli -c /dev/null download_rib_firmware all all
This will download and extract the necessary files to
:file:`/var/www/html/ilo-firmware`.
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