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authorScott Rifenbark <scott.m.rifenbark@intel.com>2014-03-27 07:16:04 -0600
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-03-30 10:18:37 +0100
commitdf02dd8c6552ff9e798ec667f7ed9db422b23716 (patch)
treebd255b59dc8e28e45978c6449259347fe26b763a
parentf1e9e335ee5f37a037522d5afa60249067432105 (diff)
downloadpoky-df02dd8c6552ff9e798ec667f7ed9db422b23716.tar.gz
dev-manual: WIP for YOCTO #5554.
(From yocto-docs rev: 00ecee108d87b5c1044e7b6df702e59f0332035f) Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--documentation/dev-manual/dev-manual-common-tasks.xml171
1 files changed, 111 insertions, 60 deletions
diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index c11df717d3..6fa850d4ed 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -5588,77 +5588,116 @@
5588 <para> 5588 <para>
5589 The OpenEmbedded build system makes available a series of automated 5589 The OpenEmbedded build system makes available a series of automated
5590 tests for images to verify runtime functionality. 5590 tests for images to verify runtime functionality.
5591 <note> 5591 You can run these tests on either QEMU or actual target hardware.
5592 Currently, there is only support for running these tests 5592 Tests are written in Python making use of the
5593 under QEMU.
5594 </note>
5595 These tests are written in Python making use of the
5596 <filename>unittest</filename> module, and the majority of them 5593 <filename>unittest</filename> module, and the majority of them
5597 run commands on the target system over SSH. 5594 run commands on the target system over SSH.
5598 This section describes how you set up the environment to use these 5595 This section describes how you set up the environment to use these
5599 tests, run available tests, and write and add your own tests. 5596 tests, run available tests, and write and add your own tests.
5600 </para> 5597 </para>
5601 5598
5602 <section id="qemu-image-enabling-tests"> 5599 <section id='enabling-tests'>
5603 <title>Enabling Tests</title> 5600 <title>Enabling Tests</title>
5604 5601
5605 <para> 5602 <para>
5606 In order to run tests, you need to do the following: 5603 Depending on whether you are planning on running tests using
5607 <itemizedlist> 5604 QEMU or on running them on the hardware, you have to take
5608 <listitem><para><emphasis>Set up to avoid interaction 5605 different steps to enable the tests.
5609 with <filename>sudo</filename> for networking:</emphasis> 5606 See the following subsections for information on how to
5610 To accomplish this, you must do one of the 5607 enable both types of tests.
5611 following:
5612 <itemizedlist>
5613 <listitem><para>Add
5614 <filename>NOPASSWD</filename> for your user
5615 in <filename>/etc/sudoers</filename> either for
5616 ALL commands or just for
5617 <filename>runqemu-ifup</filename>.
5618 You must provide the full path as that can
5619 change if you are using multiple clones of the
5620 source repository.
5621 <note>
5622 On some distributions, you also need to
5623 comment out "Defaults requiretty" in
5624 <filename>/etc/sudoers</filename>.
5625 </note></para></listitem>
5626 <listitem><para>Manually configure a tap interface
5627 for your system.</para></listitem>
5628 <listitem><para>Run as root the script in
5629 <filename>scripts/runqemu-gen-tapdevs</filename>,
5630 which should generate a list of tap devices.
5631 This is the option typically chosen for
5632 Autobuilder-type environments.
5633 </para></listitem>
5634 </itemizedlist></para></listitem>
5635 <listitem><para><emphasis>Set the
5636 <filename>DISPLAY</filename> variable:</emphasis>
5637 You need to set this variable so that you have an X
5638 server available (e.g. start
5639 <filename>vncserver</filename> for a headless machine).
5640 </para></listitem>
5641 <listitem><para><emphasis>Be sure your host's firewall
5642 accepts incoming connections from
5643 192.168.7.0/24:</emphasis>
5644 Some of the tests (in particular smart tests) start an
5645 HTTP server on a random high number port, which is
5646 used to serve files to the target.
5647 The smart module serves
5648 <filename>${DEPLOY_DIR}/rpm</filename> so it can run
5649 smart channel commands. That means your host's firewall
5650 must accept incoming connections from 192.168.7.0/24,
5651 which is the default IP range used for tap devices
5652 by <filename>runqemu</filename>.</para></listitem>
5653 </itemizedlist>
5654 </para> 5608 </para>
5655 5609
5656 <note> 5610 <section id='qemu-image-enabling-tests'>
5657 Regardless of how you initiate the tests, if you built your 5611 <title>QEMU</title>
5658 image using <filename>rm_work</filename>, 5612
5659 most of the tests will fail with errors because they rely on 5613 <para>
5660 <filename>${WORKDIR}/installed_pkgs.txt</filename>. 5614 In order to run tests, you need to do the following:
5661 </note> 5615 <itemizedlist>
5616 <listitem><para><emphasis>Set up to avoid interaction
5617 with <filename>sudo</filename> for networking:</emphasis>
5618 To accomplish this, you must do one of the
5619 following:
5620 <itemizedlist>
5621 <listitem><para>Add
5622 <filename>NOPASSWD</filename> for your user
5623 in <filename>/etc/sudoers</filename> either for
5624 ALL commands or just for
5625 <filename>runqemu-ifup</filename>.
5626 You must provide the full path as that can
5627 change if you are using multiple clones of the
5628 source repository.
5629 <note>
5630 On some distributions, you also need to
5631 comment out "Defaults requiretty" in
5632 <filename>/etc/sudoers</filename>.
5633 </note></para></listitem>
5634 <listitem><para>Manually configure a tap interface
5635 for your system.</para></listitem>
5636 <listitem><para>Run as root the script in
5637 <filename>scripts/runqemu-gen-tapdevs</filename>,
5638 which should generate a list of tap devices.
5639 This is the option typically chosen for
5640 Autobuilder-type environments.
5641 </para></listitem>
5642 </itemizedlist></para></listitem>
5643 <listitem><para><emphasis>Set the
5644 <filename>DISPLAY</filename> variable:</emphasis>
5645 You need to set this variable so that you have an X
5646 server available (e.g. start
5647 <filename>vncserver</filename> for a headless machine).
5648 </para></listitem>
5649 <listitem><para><emphasis>Be sure your host's firewall
5650 accepts incoming connections from
5651 192.168.7.0/24:</emphasis>
5652 Some of the tests (in particular smart tests) start an
5653 HTTP server on a random high number port, which is
5654 used to serve files to the target.
5655 The smart module serves
5656 <filename>${DEPLOY_DIR}/rpm</filename> so it can run
5657 smart channel commands. That means your host's firewall
5658 must accept incoming connections from 192.168.7.0/24,
5659 which is the default IP range used for tap devices
5660 by <filename>runqemu</filename>.</para></listitem>
5661 </itemizedlist>
5662 </para>
5663
5664 <note>
5665 Regardless of how you initiate the tests, if you built your
5666 image using <filename>rm_work</filename>,
5667 most of the tests will fail with errors because they rely on
5668 <filename>${WORKDIR}/installed_pkgs.txt</filename>.
5669 </note>
5670 </section>
5671
5672 <section id='hardware-image-enabling-tests'>
5673 <title>Hardware</title>
5674
5675 <para>
5676 This section needs the information specific to enabling
5677 tests to run on actual hardware.
5678 Here are some developer notes:
5679 <itemizedlist>
5680 <listitem><para>
5681 Paul says this "If you have deployed the image yourself,
5682 you can manually boot it, you know the IP address
5683 it will show up under, and SSH is installed with no
5684 password, then you can now run tests on any real
5685 machine."
5686 </para></listitem>
5687 <listitem><para>
5688 <filename>TEST_TARGET</filename> variable needs to equal
5689 "simpleremote"
5690 </para></listitem>
5691 <listitem><para>
5692 Here are some notes from the patch - "The remote machine
5693 must be up with network and ssh and you need to set
5694 <filename>TEST_TARGET_IP</filename> with the IP address
5695 of the remote machine (it can still be a qemu instance that
5696 was manually started)
5697 </para></listitem>
5698 </itemizedlist>
5699 </para>
5700 </section>
5662 </section> 5701 </section>
5663 5702
5664 <section id="qemu-image-running-tests"> 5703 <section id="qemu-image-running-tests">
@@ -5678,6 +5717,18 @@
5678 <literallayout class='monospaced'> 5717 <literallayout class='monospaced'>
5679 TEST_IMAGE = "1" 5718 TEST_IMAGE = "1"
5680 </literallayout> 5719 </literallayout>
5720 Next, also in the <filename>local.conf</filename>, set the
5721 <filename>TEST_TARGET</filename> variable to
5722 "simpleremote" if you want to run tests on real hardware or
5723 set it to "qemu" if you want to run tests using QEMU.
5724 file:
5725 <literallayout class='monospaced'>
5726 TEST_TARGET = "simpleremote"
5727 </literallayout>
5728 or
5729 <literallayout class='monospaced'>
5730 TEST_TARGET = "qemu"
5731 </literallayout>
5681 Next, build your image. 5732 Next, build your image.
5682 If the image successfully builds, the tests will be 5733 If the image successfully builds, the tests will be
5683 run: 5734 run: