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Diffstat (limited to 'docs/configguide')
| -rw-r--r--[-rwxr-xr-x] | docs/configguide/installation.rst | 176 |
1 files changed, 122 insertions, 54 deletions
diff --git a/docs/configguide/installation.rst b/docs/configguide/installation.rst index 476919af..ed414a8b 100755..100644 --- a/docs/configguide/installation.rst +++ b/docs/configguide/installation.rst @@ -6,6 +6,39 @@ Installing vswitchperf ====================== +Downloading vswitchperf +----------------------- + +The vswitchperf can be downloaded from its official git repository, which is +hosted by OPNFV. It is necessary to install a ``git`` at your DUT before downloading +vswitchperf. Installation of ``git`` is specific to the packaging system used by +Linux OS installed at DUT. + +Example of installation of GIT package and its dependencies: + +* in case of OS based on RedHat Linux: + + .. code:: bash + + sudo yum install git + + +* in case of Ubuntu or Debian: + + .. code:: bash + + sudo apt-get install git + +After the ``git`` is successfully installed at DUT, then vswitchperf can be downloaded +as follows: + +.. code:: bash + + git clone http://git.opnfv.org/vswitchperf + +The last command will create a directory ``vswitchperf`` with a local copy of vswitchperf +repository. + Supported Operating Systems --------------------------- @@ -21,72 +54,94 @@ Supported Operating Systems Supported vSwitches ------------------- + The vSwitch must support Open Flow 1.3 or greater. -* OVS (built from source). -* OVS with DPDK (built from source). +* Open vSwitch +* Open vSwitch with DPDK support +* TestPMD application from DPDK (supports p2p and pvp scenarios) Supported Hypervisors --------------------- -* Qemu version 2.3 or greater. +* Qemu version 2.3 or greater (version 2.5.0 is recommended) -Available VNFs +Supported VNFs -------------- -A simple VNF that forwards traffic through a VM, using: + +In theory, it is possible to use any VNF image, which is compatible +with supported hypervisor. However such VNF must ensure, that appropriate +number of network interfaces is configured and that traffic is properly +forwarded among them. For new vswitchperf users it is recommended to start +with official vloop-vnf_ image, which is maintained by vswitchperf community. + +.. _vloop-vnf: + +vloop-vnf +========= + +The official VM image is called vloop-vnf and it is available for free download +from OPNFV artifactory. This image is based on Linux Ubuntu distribution and it +supports following applications for traffic forwarding: * DPDK testpmd * Linux Bridge * Custom l2fwd module -The official VM image is called vloop-vnf and it is available for free -download at OPNFV website. +The vloop-vnf can be downloaded to DUT, for example by ``wget``: + + .. code:: bash + + wget http://artifacts.opnfv.org/vswitchperf/vnf/vloop-vnf-ubuntu-14.04_20160823.qcow2 -vloop-vnf changelog: -==================== +**NOTE:** In case that ``wget`` is not installed at your DUT, you could install it at RPM +based system by ``sudo yum install wget`` or at DEB based system by ``sudo apt-get install +wget``. -* `vloop-vnf-ubuntu-14.04_20160823`_ +Changelog of vloop-vnf: - * ethtool installed - * only 1 NIC is configured by default to speed up boot with 1 NIC setup - * security updates applied + * `vloop-vnf-ubuntu-14.04_20160823`_ -* `vloop-vnf-ubuntu-14.04_20160804`_ + * ethtool installed + * only 1 NIC is configured by default to speed up boot with 1 NIC setup + * security updates applied - * Linux kernel 4.4.0 installed - * libnuma-dev installed - * security updates applied + * `vloop-vnf-ubuntu-14.04_20160804`_ -* `vloop-vnf-ubuntu-14.04_20160303`_ + * Linux kernel 4.4.0 installed + * libnuma-dev installed + * security updates applied - * snmpd service is disabled by default to avoid error messages during VM boot - * security updates applied + * `vloop-vnf-ubuntu-14.04_20160303`_ -* `vloop-vnf-ubuntu-14.04_20151216`_ + * snmpd service is disabled by default to avoid error messages during VM boot + * security updates applied - * version with development tools required for build of DPDK and l2fwd + * `vloop-vnf-ubuntu-14.04_20151216`_ -Other Requirements ------------------- -The test suite requires Python 3.3 and relies on a number of other -packages. These need to be installed for the test suite to function. + * version with development tools required for build of DPDK and l2fwd + +Installation +------------ + +The test suite requires Python 3.3 or newer and relies on a number of other +system and python packages. These need to be installed for the test suite +to function. Installation of required packages, preparation of Python 3 virtual environment and compilation of OVS, DPDK and QEMU is performed by script **systems/build_base_machine.sh**. It should be executed under user account, which will be used for vsperf execution. -**Please Note**: Password-less sudo access must be configured for given +**NOTE:** Password-less sudo access must be configured for given user account before script is executed. -Execution of installation script: - .. code:: bash $ cd systems $ ./build_base_machine.sh -**Please Note**: you don't need to go into any of the systems subdirectories, +**NOTE:** you don't need to go into any of the systems subdirectories, simply run the top level **build_base_machine.sh**, your OS will be detected automatically. @@ -96,52 +151,65 @@ In case of CentOS 7 or RHEL it will install Python 3.3 from an additional repository provided by Software Collections (`a link`_). Installation script will also use `virtualenv`_ to create a vsperf virtual environment, which is isolated from the default Python environment. This environment will reside in a -directory called **vsperfenv** in $HOME. +directory called **vsperfenv** in $HOME. It will ensure, that system wide Python +installation is not modified or broken by VSPERF installation. The complete list +of Python packages installed inside virtualenv can be found at file +``requirements.txt``, which is located at vswitchperf repository. -**Please Note**: For RHEL 7.3 Enterprise and CentOS 7.3 OVS Vanilla is not +**NOTE:** For RHEL 7.3 Enterprise and CentOS 7.3 OVS Vanilla is not built from upstream source due to kernel incompatibilities. Please see the instructions in the vswitchperf_design document for details on configuring OVS Vanilla for binary package usage. +Using vswitchperf +----------------- + You will need to activate the virtual environment every time you start a new shell session. Its activation is specific to your OS: -CentOS 7 and RHEL -================= +* CentOS 7 and RHEL -.. code:: bash + .. code:: bash - $ scl enable python33 bash - $ cd $HOME/vsperfenv - $ source bin/activate + $ scl enable python33 bash + $ source $HOME/vsperfenv/bin/activate -Fedora and Ubuntu -================= +* Fedora and Ubuntu -.. code:: bash + .. code:: bash - $ cd $HOME/vsperfenv - $ source bin/activate + $ source $HOME/vsperfenv/bin/activate + +After the virtual environment is configued, then VSPERF can be used. +For example: + + .. code:: bash + + (vsperfenv) $ cd vswitchperf + (vsperfenv) $ ./vsperf --help Gotcha -^^^^^^ +====== + +In case you will see following error during environment activation: + .. code:: bash - $ source bin/activate + $ source $HOME/vsperfenv/bin/activate Badly placed ()'s. -Check what type of shell you are using +then check what type of shell you are using: .. code:: bash - echo $shell + $ echo $SHELL /bin/tcsh See what scripts are available in $HOME/vsperfenv/bin .. code:: bash - $ ls bin/ + $ ls $HOME/vsperfenv/bin/ activate activate.csh activate.fish activate_this.py source the appropriate script @@ -195,11 +263,11 @@ your configuration in the ``02_vswitch.conf`` file. 'dpdk-socket-mem' : '1024,1024', } -Note: Option VSWITCHD_DPDK_ARGS is used for vswitchd, which supports --dpdk -parameter. In recent vswitchd versions, option VSWITCHD_DPDK_CONFIG will be -used to configure vswitchd via ovs-vsctl calls. +**NOTE:** Option ``VSWITCHD_DPDK_ARGS`` is used for vswitchd, which supports ``--dpdk`` +parameter. In recent vswitchd versions, option ``VSWITCHD_DPDK_CONFIG`` is +used to configure vswitchd via ``ovs-vsctl`` calls. -With the --socket-mem argument set to use 1 hugepage on the specified sockets as +With the ``--socket-mem`` argument set to use 1 hugepage on the specified sockets as seen above, the configuration will need 10 hugepages total to run all tests within vsperf if the pagesize is set correctly to 1GB. @@ -207,7 +275,7 @@ VSPerf will verify hugepage amounts are free before executing test environments. In case of hugepage amounts not being free, test initialization will fail and testing will stop. -**Please Note**: In some instances on a test failure dpdk resources may not +**NOTE:** In some instances on a test failure dpdk resources may not release hugepages used in dpdk configuration. It is recommended to configure a few extra hugepages to prevent a false detection by VSPerf that not enough free hugepages are available to execute the test environment. Normally dpdk would use @@ -227,6 +295,6 @@ You can review your hugepage amounts by executing the following command cat /proc/meminfo | grep Huge If no hugepages are available vsperf will try to automatically allocate some. -Allocation is controlled by HUGEPAGE_RAM_ALLOCATION configuration parameter in +Allocation is controlled by ``HUGEPAGE_RAM_ALLOCATION`` configuration parameter in ``02_vswitch.conf`` file. Default is 2GB, resulting in either 2 1GB hugepages or 1024 2MB hugepages. |