Summary: The purpose of the VPP configuration utility is to allow the user to configure VPP in a simple and safe manner. The utility takes input from the user and then modifies the key configuration files. The user can then examine these files to be sure they are correct and then actually apply the configuration. The user can also install a released and stable version of VPP. This is currently released with release 17.07. Use: The installation and executing of the VPP configuration utility is simple. First install the python pip module. Using pip install, then pip install vpp-config. Then simply type Òvpp-configÓ and answer the questions. If you are not sure what to answer choose the default. For yes or no questions the capital letter designates the default. For example, for a question that shows [Y/n] Y is the default. For numbers the default is within the brackets for example for a question that shows [1024]. 1024 is the default. The flow of the utility is to inspect the system, if VPP is not install it, create dry run configurations, inspect the files created during the dry run, apply the configuration and then inspect the system again and then repeat. Caveats: - Only supports Ubuntu, centos7 is coming shortly. - When Inspecting the system, you may see a Huge page error, inspect the system a few more times, if the error persists it is real. For Developers: Modifying the code is reasonable simple. The process would be edit and debug the code from the root directory. In order to do this, we need a script that will copy or data files to the proper place. This is where they end up with pip install. For Ubuntu, this is /usr/local/vpp/vpp-config. I have provided a script that will copy the relevant files correctly. I have also provided a script that will clean the environment so you can start from scratch. These are the steps to run the utility in this environment. The scripts are meant to be run from the root directory. ./scripts/clean.sh ./scripts/cp-data.sh ./vpp_config.py When the utility is installed with pip the wrapper scripts/vpp-config is written to /usr/local/bin. However, the starting point when debugging this script locally is ./vpp_config.py. Run the utility by executing ./vpp_config.py from the root directory. The start point in the code is in vpp_config.py. However, most of the work is done in the files in ./vpplib Uploading to PyPi: To upload this utility to PpPi simple do the following. Currently, I have my own account when we want everyone to contribute we will need to change that. sudo ÐH bash cd vpp_config python setup.py sdist bdist_wheel twine upload dist/* Example Run: # pip install vpp-config # vpp-config Welcome to the VPP system configuration utility These are the files we will modify: /etc/vpp/startup.conf /etc/sysctl.d/80-vpp.conf /etc/default/grub Before we change them, we'll create working copies in /usr/local/vpp/vpp-config/dryrun Please inspect them carefully before applying the actual configuration (option 3)! What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 1 ============================== NODE: DUT1 CPU: Model name: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz CPU(s): 32 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 CPU max MHz: 3600.0000 CPU min MHz: 1200.0000 SMT: Enabled VPP Threads: (Name: Cpu Number) Grub Command Line: Current: BOOT_IMAGE=/boot/vmlinuz-4.4.0-96-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro Configured: GRUB_CMDLINE_LINUX_DEFAULT="" Huge Pages: Total System Memory : 65863484 kB Total Free Memory : 41325924 kB Actual Huge Page Total : 8192 Configured Huge Page Total : 1024 Huge Pages Free : 8192 Huge Page Size : 2048 kB Devices: Status: Not Installed ============================== What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 4 There are no VPP packages on node localhost. Do you want to install VPP [Y/n]? INFO:root: Local Command: ls /etc/apt/sources.list.d/99fd.io.list.orig INFO:root: /etc/apt/sources.list.d/99fd.io.list.orig ÉÉ.. What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 1 ============================== NODE: DUT1 CPU: Model name: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz CPU(s): 32 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 CPU max MHz: 3600.0000 CPU min MHz: 1200.0000 SMT: Enabled VPP Threads: (Name: Cpu Number) vpp_main : 0 vpp_stats : 0 Grub Command Line: Current: BOOT_IMAGE=/boot/vmlinuz-4.4.0-96-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro Configured: GRUB_CMDLINE_LINUX_DEFAULT="" Huge Pages: Total System Memory : 65863484 kB Total Free Memory : 55877364 kB Actual Huge Page Total : 1024 Configured Huge Page Total : 1024 Huge Pages Free : 1024 Huge Page Size : 2048 kB Devices: Name Socket RXQs RXDescs TXQs TXDescs Status: active (running) ============================== What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 2 These device(s) are currently NOT being used by VPP or the OS. PCI ID Description ---------------------------------------------------------------- 0000:02:00.0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.1 82599ES 10-Gigabit SFI/SFP+ Network Connection Would you like to give any of these devices back to the OS [y/N]? y Would you like to use device 0000:02:00.0 for the OS [y/N]? y Would you like to use device 0000:02:00.1 for the OS [y/N]? y These devices have kernel interfaces, but appear to be safe to use with VPP. PCI ID Kernel Interface(s) Description ------------------------------------------------------------------------------------------ 0000:90:00.0 enp144s0 VIC Ethernet NIC 0000:8f:00.0 enp143s0 VIC Ethernet NIC 0000:84:00.0 enp132s0f0,enp132s0f0d1 Ethernet Controller XL710 for 40GbE QSFP+ 0000:84:00.1 enp132s0f1,enp132s0f1d1 Ethernet Controller XL710 for 40GbE QSFP+ 0000:08:00.1 enp8s0f1 I350 Gigabit Network Connection 0000:02:00.0 enp2s0f0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.1 enp2s0f1 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:86:00.0 enp134s0f0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:86:00.1 enp134s0f1 82599ES 10-Gigabit SFI/SFP+ Network Connection Would you like to use any of these device(s) for VPP [y/N]? y Would you like to use device 0000:90:00.0 for VPP [y/N]? Would you like to use device 0000:8f:00.0 for VPP [y/N]? Would you like to use device 0000:84:00.0 for VPP [y/N]? Would you like to use device 0000:84:00.1 for VPP [y/N]? Would you like to use device 0000:08:00.1 for VPP [y/N]? Would you like to use device 0000:02:00.0 for VPP [y/N]? y Would you like to use device 0000:02:00.1 for VPP [y/N]? y Would you like to use device 0000:86:00.0 for VPP [y/N]? y Would you like to use device 0000:86:00.1 for VPP [y/N]? y These device(s) will be used by VPP. PCI ID Description ---------------------------------------------------------------- 0000:86:00.0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:86:00.1 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.1 82599ES 10-Gigabit SFI/SFP+ Network Connection Would you like to remove any of these device(s) [y/N]? These device(s) will be used by VPP, please rerun this option if this is incorrect. PCI ID Description ---------------------------------------------------------------- 0000:86:00.0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:86:00.1 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.0 82599ES 10-Gigabit SFI/SFP+ Network Connection 0000:02:00.1 82599ES 10-Gigabit SFI/SFP+ Network Connection Your system has 32 core(s) and 2 Numa Nodes. To begin, we suggest not reserving any cores for VPP or other processes. Then to improve performance try reserving cores as needed. How many core(s) do you want to reserve for processes other than VPP? [0-16][0]? 4 How many core(s) shall we reserve for VPP workers[0-4][0]? 2 Should we reserve 1 core for the VPP Main thread? [Y/n]? There currently 1024 2048 kB huge pages free. Do you want to reconfigure the number of huge pages [y/N]? y There currently a total of 1024 huge pages. How many huge pages do you want [1024 - 22511][1024]? 8192 What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 3 We are now going to configure your system(s). Are you sure you want to do this [Y/n]? These are the changes we will apply to the huge page file (/etc/sysctl.d/80-vpp.conf). 1,2d0 < # Number of 2MB hugepages desired < vm.nr_hugepages=1024 4,7c2,3 < # Must be greater than or equal to (2 * vm.nr_hugepages). < vm.max_map_count=3096 < < # All groups allowed to access hugepages --- > vm.nr_hugepages=8192 > vm.max_map_count=17408 8a5 > kernel.shmmax=17179869184 10,15d6 < # Shared Memory Max must be greator or equal to the total size of hugepages. < # For 2MB pages, TotalHugepageSize = vm.nr_hugepages * 2 * 1024 * 1024 < # If the existing kernel.shmmax setting (cat /sys/proc/kernel/shmmax) < # is greater than the calculated TotalHugepageSize then set this parameter < # to current shmmax value. < kernel.shmmax=2147483648 Are you sure you want to apply these changes [Y/n]? These are the changes we will apply to the VPP startup file (/etc/vpp/startup.conf). 3c3 < nodaemon --- > interactive 5a6 > cli-listen /run/vpp/cli.sock 17c18,25 < ## In the VPP there is one main thread and optionally the user can create worker(s) --- > > main-core 8 > corelist-workers 9-10,5-6 > > scheduler-policy fifo > scheduler-priority 50 > > ## In the VPP there is one main thread and optionally the user can create worker(s) 52,53c60,76 < # dpdk { < ## Change default settings for all intefaces --- > dpdk { > > dev 0000:86:00.0 { > num-rx-queues 2 > } > dev 0000:86:00.1 { > num-rx-queues 2 > } > dev 0000:02:00.0 { > num-rx-queues 2 > } > dev 0000:02:00.1 { > num-rx-queues 2 > } > num-mbufs 71680 > > ## Change default settings for all intefaces 82a106,115 > ## Specify bonded interface and its slaves via PCI addresses > ## > ## Bonded interface in XOR load balance mode (mode 2) with L3 and L4 headers > # vdev eth_bond0,mode=2,slave=0000:02:00.0,slave=0000:03:00.0,xmit_policy=l34 > # vdev eth_bond1,mode=2,slave=0000:02:00.1,slave=0000:03:00.1,xmit_policy=l34 > ## > ## Bonded interface in Active-Back up mode (mode 1) > # vdev eth_bond0,mode=1,slave=0000:02:00.0,slave=0000:03:00.0 > # vdev eth_bond1,mode=1,slave=0000:02:00.1,slave=0000:03:00.1 > 99c132 < # } --- > } 108a142 > Are you sure you want to apply these changes [Y/n]? The configured grub cmdline looks like this: GRUB_CMDLINE_LINUX_DEFAULT="intel_pstate=disable isolcpus=1-4,8,9-10,5-6 nohz_full=1-4,8,9-10,5-6 rcu_nocbs=1-4,8,9-10,5-6" The current boot cmdline looks like this: BOOT_IMAGE=/boot/vmlinuz-4.4.0-96-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro Do you want to keep the current boot cmdline [Y/n]? What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 1 ============================== NODE: DUT1 CPU: Model name: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz CPU(s): 32 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 CPU max MHz: 3600.0000 CPU min MHz: 1200.0000 SMT: Enabled VPP Threads: (Name: Cpu Number) Grub Command Line: Current: BOOT_IMAGE=/boot/vmlinuz-4.4.0-96-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro Configured: GRUB_CMDLINE_LINUX_DEFAULT="intel_pstate=disable isolcpus=1-4,8,9-10,5-6 nohz_full=1-4,8,9-10,5-6 rcu_nocbs=1-4,8,9-10,5-6" Huge Pages: Total System Memory : 65863484 kB Total Free Memory : 41163916 kB Actual Huge Page Total : 8192 Configured Huge Page Total : 8192 Huge Pages Free : 3108 Huge Page Size : 2048 kB Devices: Total Number of Buffers: 71680 Status: active (running) Sep 27 12:49:59 tf-ucs-3 vpp[13671]: EAL: No free hugepages reported in hugepages-1048576kB ============================== What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: 1 ============================== NODE: DUT1 CPU: Model name: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz CPU(s): 32 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 CPU max MHz: 3600.0000 CPU min MHz: 1200.0000 SMT: Enabled VPP Threads: (Name: Cpu Number) vpp_stats : 0 vpp_wk_2 : 9 vpp_wk_3 : 10 vpp_wk_0 : 5 vpp_wk_1 : 6 vpp_main : 8 Grub Command Line: Current: BOOT_IMAGE=/boot/vmlinuz-4.4.0-96-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro Configured: GRUB_CMDLINE_LINUX_DEFAULT="intel_pstate=disable isolcpus=1-4,8,9-10,5-6 nohz_full=1-4,8,9-10,5-6 rcu_nocbs=1-4,8,9-10,5-6" Huge Pages: Total System Memory : 65863484 kB Total Free Memory : 41170684 kB Actual Huge Page Total : 8192 Configured Huge Page Total : 8192 Huge Pages Free : 7936 Huge Page Size : 2048 kB Devices: Total Number of Buffers: 71680 Name Socket RXQs RXDescs TXQs TXDescs TenGigabitEthernet2/0/0 0 2 1024 5 1024 TenGigabitEthernet2/0/1 0 2 1024 5 1024 TenGigabitEthernet86/0/0 1 2 1024 5 1024 TenGigabitEthernet86/0/1 1 2 1024 5 1024 Status: active (running) ============================== What would you like to do? 1) Show basic system information 2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection) and user input in /usr/local/vpp/vpp-config/configs/auto-config.yaml 3) Full configuration (WARNING: This will change the system configuration) 4) Install/Uninstall VPP. 5) Dry Run from /usr/local/vpp/vpp-config/auto-config.yaml (will not ask questions). 6) Install QEMU patch (Needed when running openstack). 9 or q) Quit Command: q #