1 # Copyright (c) 2021 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
16 # This library defines functions used by multiple entry scripts.
17 # Deliberately not depending on common.sh to allow standalone usage.
18 # Keep functions ordered alphabetically, please.
20 function activate_wrapper () {
22 # Acts as wrapper for activate docker topology.
25 # - ${1} - Node multiplicity of desired testbed.
26 # - ${2} - Node flavor string, usually describing the processor.
27 # - ${3} - CSIT-SUT-DCR image name and version.
32 get_available_interfaces "${1}" "${2}" || die
33 bind_dut_interfaces_to_vpp_driver || die
34 start_topology_containers "${3}" || die
35 bind_interfaces_to_containers || die
36 set_env_variables || die
37 print_env_variables || die
42 function bind_dut_interfaces_to_vpp_driver () {
44 # Bind DUT network interfaces to the driver that vpp will use
47 # - DUT1_NETDEVS - List of network devices allocated to DUT1 container.
49 # - NETDEV - Linux network interface.
50 # - DRIVER - Kernel driver to bind the interface to.
51 # - KRN_DRIVER - The original kernel driver of the network interface.
53 for NETDEV in "${DUT1_NETDEVS[@]}"; do
56 if [[ ${KRN_DRIVER} == "iavf" ]]; then
59 bind_interfaces_to_driver || die
65 function bind_interfaces_to_containers () {
67 # Bind linux network interface to container and create symlink for PCI
68 # address in container.
71 # - DCR_UUIDS - Docker Container UUIDs.
72 # - DCR_CPIDS - Docker Container PIDs (namespaces).
73 # - DUT1_NETDEVS - List of network devices allocated to DUT1 container.
74 # - PCI_ADDR - PCI address of network device.
75 # - TG_NETDEVS - List of network devices allocated to TG container.
77 # - NETDEV - Linux network interface.
78 # - KRN_DRIVER - Kernel driver of network device.
82 for PCI_ADDR in "${TG_PCIDEVS[@]}"; do
83 get_netdev_name || die
84 link_target=$(readlink -f /sys/bus/pci/devices/"${PCI_ADDR}") || {
85 die "Reading symlink for PCI address failed!"
87 cmd="ln -s ${link_target} /sys/bus/pci/devices/${PCI_ADDR}"
89 docker exec "${DCR_UUIDS[tg]}" ${cmd} || {
90 die "Linking PCI address in container failed!"
93 sudo ip link set ${NETDEV} netns ${DCR_CPIDS[tg]} || {
94 die "Moving interface to ${DCR_CPIDS[tg]} namespace failed!"
97 for PCI_ADDR in "${DUT1_PCIDEVS[@]}"; do
98 link_target=$(readlink -f /sys/bus/pci/devices/"${PCI_ADDR}") || {
99 die "Reading symlink for PCI address failed!"
101 cmd="ln -s ${link_target} /sys/bus/pci/devices/${PCI_ADDR}"
103 docker exec "${DCR_UUIDS[dut1]}" ${cmd} || {
104 die "Linking PCI address in container failed!"
108 if [[ ${KRN_DRIVER} != "vfio-pci" ]]; then
109 get_netdev_name || die
110 sudo ip link set ${NETDEV} netns ${DCR_CPIDS[dut1]} || {
111 die "Moving interface to ${DCR_CPIDS[dut1]} namespace failed!"
118 function bind_interfaces_to_driver () {
120 # Bind network interface specified by parameter to driver specified by
124 # - ADDR - PCI address of network interface.
125 # - DRIVER - Kernel driver.
129 pci_path="/sys/bus/pci/devices/${ADDR}"
130 drv_path="/sys/bus/pci/drivers/${DRIVER}"
131 if [ -d "${pci_path}/driver" ]; then
132 echo ${ADDR} | sudo tee ${pci_path}/driver/unbind > /dev/null || {
133 die "Failed to unbind interface ${ADDR}!"
137 echo ${DRIVER} | sudo tee /sys/bus/pci/devices/${ADDR}/driver_override \
139 die "Failed to override driver to ${DRIVER} for ${ADDR}!"
142 echo ${ADDR} | sudo tee ${drv_path}/bind > /dev/null || {
143 die "Failed to bind interface ${ADDR}!"
146 echo | sudo tee /sys/bus/pci/devices/${ADDR}/driver_override > /dev/null \
147 || die "Failed to reset driver override for ${ADDR}!"
151 function clean_environment () {
153 # Cleanup environment by removing topology containers and shared volumes
154 # and binding interfaces back to original driver.
157 # - DCR_UUIDS - Docker Container UUIDs.
158 # - DUT1_PCIDEVS - List of PCI addresses of devices of DUT1 container.
159 # - TG_PCIDEVS - List of PCI addresses of devices of TG container.
161 # - ADDR - PCI address of network interface.
162 # - DRIVER - Kernel driver.
166 # Kill docker containers.
167 docker rm --force "${DCR_UUIDS[@]}" || die "Cleanup containers failed!"
169 # Check if there are some leftover containers and remove all. Command will
170 # not fail in case there are no containers to remove.
171 docker rm --force $(docker ps -q --filter name=${DCR_UUIDS[dut1]}) || {
172 warn "Failed to remove hanged containers or nothing to remove!"
175 # Rebind interfaces back to kernel drivers.
176 for ADDR in ${TG_PCIDEVS[@]}; do
177 DRIVER="${TG_DRIVERS[0]}"
178 bind_interfaces_to_driver || die
180 for ADDR in ${DUT1_PCIDEVS[@]}; do
181 DRIVER="${DUT1_DRIVERS[0]}"
182 bind_interfaces_to_driver || die
187 function clean_environment_on_exit () {
189 # Cleanup environment by removing topology containers and binding
190 # interfaces back to original driver only if exit code is not 0.
191 # This function acts as workaround as 'set -eu' does not trigger ERR trap.
195 if [ $? -ne 0 ]; then
196 clean_environment || die
201 function deactivate_wrapper () {
203 # Acts as wrapper for deactivate docker topology.
206 # - ${@} - CSIT environment variables.
211 read_env_variables "${@}" || die
212 clean_environment || die
219 # Print the message to standard error end exit with error code specified
220 # by the second argument.
222 # Duplicate of common.sh function, as this file is also used standalone.
225 # - The default error message.
227 # - ${1} - The whole error message, be sure to quote. Optional
228 # - ${2} - the code to exit with, default: 1.
232 warn "${1:-Unspecified run-time error occurred!}"
237 function enter_mutex () {
239 # Enter mutual exclusion for protecting execution from starvation and
245 mutex_file="/tmp/mutex_file"
248 exec {lock_fd}>${mutex_file} || {
249 die "Mutex enter failed!"
251 flock --timeout "${mutex_timeout}" "${lock_fd}" || {
252 die "Calling flock() failed!"
254 # ----------------------
255 # Enter mutex succeeded.
256 warn "Mutex enter succeeded for PID $$."
260 function exit_mutex () {
262 # Exit mutual exclusion.
266 # ---------------------
267 # Remove mutex so we are not blocking others anymore.
268 flock -u "${lock_fd}" || {
269 die "Mutex destroy failed!"
271 warn "Mutex leave succeeded for PID $$."
275 function get_available_interfaces () {
277 # Find and get available Virtual functions.
280 # - ${1} - Nodeness, as set by common.sh get_test_code.
281 # - ${2} - Flavor, as set by common.sh get_test_code.
283 # - DUT1_NETDEVS - List of network devices allocated to DUT1 container.
284 # - DUT1_PCIDEVS - List of PCI addresses allocated to DUT1 container.
285 # - DUT1_NETMACS - List of MAC addresses allocated to DUT1 container.
286 # - DUT1_DRIVERS - List of interface drivers to DUT1 container.
287 # - DUT1_VLANS - List of interface vlans to TG container.
288 # - DUT1_MODEL - List of interface models to TG container.
289 # - TG_NETDEVS - List of network devices allocated to TG container.
290 # - TG_PCIDEVS - List of PCI addresses allocated to TG container.
291 # - TG_NETMACS - List of MAC addresses allocated to TG container.
292 # - TG_DRIVERS - List of interface drivers to TG container.
293 # - TG_VLANS - List of interface vlans to TG container.
294 # - TG_MODEL - List of interface models to TG container.
298 # Following code is specifying VFs ID based on nodeness and flavor.
299 # As there is great variability in hardware configuration outside LF,
300 # from bootstrap architecture point of view these are considered as flavors.
301 # Anyone can override flavor for its own machine and add condition here.
302 # See http://pci-ids.ucw.cz/v2.2/pci.ids for more info.
303 case_text="${1}_${2}"
304 case "${case_text}" in
306 # Add Intel Corporation XL710/X710 Virtual Function to the
308 # Add Intel Corporation E810 Virtual Function to the
310 pci_id="0x154c\|0x1889"
311 tg_netdev=(ens1 enp134)
312 dut1_netdev=(ens5 enp175)
316 # Add Intel Corporation XL710/X710 Virtual Function to the
324 # Add Intel Corporation 82545EM Gigabit Ethernet Controller to the
327 tg_netdev=(enp0s8 enp0s9)
328 dut1_netdev=(enp0s16 enp0s17)
332 die "Unknown specification: ${case_text}!"
335 # TG side of connections.
342 # DUT1 side of connections.
350 # Find the first ${device_count} number of available TG Linux network
351 # VF device names. Only allowed VF PCI IDs are filtered.
352 for netdev in ${tg_netdev[@]}
355 for netdev_path in $(grep -l "${pci_id}" \
356 /sys/class/net/${netdev}*/device/device \
359 if [[ ${ports} -lt ${ports_per_nic} ]]; then
360 tg_netdev_name=$(dirname ${netdev_path})
361 tg_netdev_name=$(dirname ${tg_netdev_name})
362 TG_NETDEVS+=($(basename ${tg_netdev_name}))
368 ports_per_device=$((${ports_per_nic}*${#tg_netdev[@]}))
369 if [[ ${#TG_NETDEVS[@]} -eq ${ports_per_device} ]]; then
375 for netdev in "${TG_NETDEVS[@]}"; do
376 # Find the index of selected tg netdev among tg_netdevs
377 # e.g. enp8s5f7 is a vf of netdev enp8s5 with index 11
378 # and the corresponding dut1 netdev is enp133s13.
379 while [[ "${netdev}" != "${tg_netdev[$i]}"* ]]; do
382 # Rename tg netdev to dut1 netdev
383 # e.g. enp8s5f7 -> enp133s13f7
384 DUT1_NETDEVS+=(${netdev/${tg_netdev[$i]}/${dut1_netdev[$i]}})
385 # Don't need to reset i, all netdevs are sorted.
388 for NETDEV in "${TG_NETDEVS[@]}"; do
394 TG_PCIDEVS+=(${PCI_ADDR})
395 TG_NETMACS+=(${MAC_ADDR})
396 TG_DRIVERS+=(${KRN_DRIVER})
397 TG_VLANS+=(${VLAN_ID})
398 TG_MODELS+=(${MODEL})
400 for NETDEV in "${DUT1_NETDEVS[@]}"; do
406 DUT1_PCIDEVS+=(${PCI_ADDR})
407 DUT1_NETMACS+=(${MAC_ADDR})
408 DUT1_DRIVERS+=(${KRN_DRIVER})
409 DUT1_VLANS+=(${VLAN_ID})
410 DUT1_MODELS+=(${MODEL})
413 # We need at least two interfaces for TG/DUT1 for building topology.
414 if [ "${#TG_NETDEVS[@]}" -lt 2 ] || [ "${#DUT1_NETDEVS[@]}" -lt 2 ]; then
415 die "Not enough linux network interfaces found!"
420 function get_krn_driver () {
422 # Get kernel driver from linux network device name.
425 # - PCI_ADDR - PCI address of network device.
427 # - KRN_DRIVER - Kernel driver of network device.
431 pci_path="/sys/bus/pci/devices/${PCI_ADDR}"
432 KRN_DRIVER="$(basename $(readlink -f ${pci_path}/driver))" || {
433 die "Failed to get kernel driver of PCI interface!"
438 function get_mac_addr () {
440 # Get MAC address from linux network device name.
443 # - NETDEV - Linux network device name.
445 # - MAC_ADDR - MAC address of network device.
449 if [ -d /sys/class/net/${NETDEV}/device ]; then
450 MAC_ADDR="$(</sys/class/net/${NETDEV}/address)" || {
451 die "Failed to get MAC address of linux network interface!"
457 function get_netdev_name () {
459 # Get Linux network device name.
462 # - PCI_ADDR - PCI address of the device.
464 # - NETDEV - Linux network device name.
468 if [ -d /sys/bus/pci/devices/${PCI_ADDR}/net ]; then
469 NETDEV="$(basename /sys/bus/pci/devices/${PCI_ADDR}/net/*)" || {
470 die "Failed to get Linux interface name of ${PCI_ADDR}"
476 function get_csit_model () {
478 # Get CSIT model name from linux network device name.
481 # - NETDEV - Linux network device name.
483 # - MODEL - CSIT model name of network device.
487 if [ -d /sys/class/net/${NETDEV}/device ]; then
488 ID="$(</sys/class/net/${NETDEV}/device/device)" || {
489 die "Failed to get device id of linux network interface!"
505 function get_pci_addr () {
507 # Get PCI address in <domain>:<bus:<device>.<func> format from linux network
511 # - NETDEV - Linux network device name.
513 # - PCI_ADDR - PCI address of network device.
517 if [ -d /sys/class/net/${NETDEV}/device ]; then
518 PCI_ADDR=$(basename $(readlink /sys/class/net/${NETDEV}/device)) || {
519 die "Failed to get PCI address of linux network interface!"
521 if [ ! -d /sys/bus/pci/devices/${PCI_ADDR} ]; then
522 die "PCI device ${PCI_ADDR} doesn't exist!"
525 die "Can't get device info of interface ${NETDEV}!"
530 function get_vfio_group () {
532 # Get the VFIO group of a pci device.
535 # - PCI_ADDR - PCI address of a device.
537 # - VFIO_GROUP - The VFIO group of the PCI device.
539 if [[ -d /sys/bus/pci/devices/${PCI_ADDR}/iommu_group ]]; then
540 VFIO_GROUP="$(basename\
541 $(readlink /sys/bus/pci/devices/${PCI_ADDR}/iommu_group)\
543 die "PCI device ${PCI_ADDR} does not have an iommu group!"
548 function get_vlan_filter () {
550 # Get VLAN stripping filter from PF searched by mac adress.
553 # - MAC_ADDR - MAC address of VF.
555 # - VLAN_ID - VLAN ids.
559 # Sed regular expression pattern.
560 exp="s/^.*vlan ([[:digit:]]+).*$/\1/"
561 VLAN_ID=$(ip link | grep vlan | grep ${MAC_ADDR} | sed -re "${exp}") || true
562 VLAN_ID="${VLAN_ID:-0}"
566 function installed () {
568 # Check if the given utility is installed. Fail if not installed.
570 # Duplicate of common.sh function, as this file is also used standalone.
573 # - ${1} - Utility to check.
575 # - 0 - If command is installed.
576 # - 1 - If command is not installed.
584 function parse_env_variables () {
586 # Parse environment variables.
588 # Variables read, set or exported: Multiple,
589 # see the code for the current list.
593 IFS=@ read -a TG_NETMACS <<< "${CSIT_TG_INTERFACES_PORT_MAC}"
594 IFS=@ read -a TG_PCIDEVS <<< "${CSIT_TG_INTERFACES_PORT_PCI}"
595 IFS=@ read -a TG_DRIVERS <<< "${CSIT_TG_INTERFACES_PORT_DRV}"
596 IFS=@ read -a TG_VLANS <<< "${CSIT_TG_INTERFACES_PORT_VLAN}"
597 IFS=@ read -a TG_MODELS <<< "${CSIT_TG_INTERFACES_PORT_MODEL}"
598 IFS=@ read -a DUT1_NETMACS <<< "${CSIT_DUT1_INTERFACES_PORT_MAC}"
599 IFS=@ read -a DUT1_PCIDEVS <<< "${CSIT_DUT1_INTERFACES_PORT_PCI}"
600 IFS=@ read -a DUT1_DRIVERS <<< "${CSIT_DUT1_INTERFACES_PORT_DRV}"
601 IFS=@ read -a DUT1_VLANS <<< "${CSIT_DUT1_INTERFACES_PORT_VLAN}"
602 IFS=@ read -a DUT1_MODELS <<< "${CSIT_DUT1_INTERFACES_PORT_MODEL}"
604 for port in $(seq "${#TG_NETMACS[*]}"); do
605 CSIT_TG_INTERFACES+=$(cat << EOF
607 mac_address: "${TG_NETMACS[$((port-1))]}"
608 pci_address: "${TG_PCIDEVS[$((port-1))]}"
609 link: "link$((port-1))"
610 model: ${TG_MODELS[$((port-1))]}
611 driver: "${TG_DRIVERS[$((port-1))]}"
612 vlan: ${TG_VLANS[$((port-1))]}
615 CSIT_TG_INTERFACES+=$'\n'
617 for port in $(seq "${#DUT1_NETMACS[*]}"); do
618 CSIT_DUT1_INTERFACES+=$(cat << EOF
620 mac_address: "${DUT1_NETMACS[$((port-1))]}"
621 pci_address: "${DUT1_PCIDEVS[$((port-1))]}"
622 link: "link$((port-1))"
623 model: ${DUT1_MODELS[$((port-1))]}
624 driver: "${DUT1_DRIVERS[$((port-1))]}"
625 vlan: ${DUT1_VLANS[$((port-1))]}
628 CSIT_DUT1_INTERFACES+=$'\n'
633 function print_env_variables () {
635 # Get environment variables prefixed by CSIT_.
639 env | grep CSIT_ || true
643 function read_env_variables () {
645 # Read environment variables from parameters.
648 # - ${@} - Variables passed as an argument.
649 # Variables read, set or exported: Multiple,
650 # see the code for the current list.
654 for param in "$@"; do
657 declare -gA DCR_UUIDS
658 DCR_UUIDS+=([tg]="${CSIT_TG_UUID}")
659 DCR_UUIDS+=([dut1]="${CSIT_DUT1_UUID}")
661 IFS=@ read -a TG_NETMACS <<< "${CSIT_TG_INTERFACES_PORT_MAC}"
662 IFS=@ read -a TG_PCIDEVS <<< "${CSIT_TG_INTERFACES_PORT_PCI}"
663 IFS=@ read -a TG_DRIVERS <<< "${CSIT_TG_INTERFACES_PORT_DRV}"
664 IFS=@ read -a TG_VLANS <<< "${CSIT_TG_INTERFACES_PORT_VLAN}"
665 IFS=@ read -a TG_MODELS <<< "${CSIT_TG_INTERFACES_PORT_MODEL}"
666 IFS=@ read -a DUT1_NETMACS <<< "${CSIT_DUT1_INTERFACES_PORT_MAC}"
667 IFS=@ read -a DUT1_PCIDEVS <<< "${CSIT_DUT1_INTERFACES_PORT_PCI}"
668 IFS=@ read -a DUT1_DRIVERS <<< "${CSIT_DUT1_INTERFACES_PORT_DRV}"
669 IFS=@ read -a DUT1_VLANS <<< "${CSIT_DUT1_INTERFACES_PORT_VLAN}"
670 IFS=@ read -a DUT1_MODELS <<< "${CSIT_DUT1_INTERFACES_PORT_MODEL}"
674 function set_env_variables () {
676 # Set environment variables.
679 # - DCR_UUIDS - Docker Container UUIDs.
680 # - DCR_PORTS - Docker Container's SSH ports.
681 # - DUT1_NETDEVS - List of network devices allocated to DUT1 container.
682 # - DUT1_PCIDEVS - List of PCI addresses allocated to DUT1 container.
683 # - DUT1_NETMACS - List of MAC addresses allocated to DUT1 container.
684 # - DUT1_DRIVERS - List of interface drivers to DUT1 container.
685 # - DUT1_VLANS - List of interface vlans to TG container.
686 # - DUT1_MODEL - List of interface models to TG container.
687 # - TG_NETDEVS - List of network devices allocated to TG container.
688 # - TG_PCIDEVS - List of PCI addresses allocated to TG container.
689 # - TG_NETMACS - List of MAC addresses allocated to TG container.
690 # - TG_DRIVERS - List of interface drivers to TG container.
691 # - TG_VLANS - List of interface vlans to TG container.
692 # - TG_MODEL - List of interface models to TG container.
697 CSIT_TG_HOST="$(hostname --all-ip-addresses | awk '{print $1}')" || {
698 die "Reading hostname IP address failed!"
700 CSIT_TG_PORT="${DCR_PORTS[tg]#*:}"
701 CSIT_TG_UUID="${DCR_UUIDS[tg]}"
702 CSIT_TG_ARCH="$(uname -i)" || {
703 die "Reading machine architecture failed!"
705 CSIT_DUT1_HOST="$(hostname --all-ip-addresses | awk '{print $1}')" || {
706 die "Reading hostname IP address failed!"
708 CSIT_DUT1_PORT="${DCR_PORTS[dut1]#*:}"
709 CSIT_DUT1_UUID="${DCR_UUIDS[dut1]}"
710 CSIT_DUT1_ARCH="$(uname -i)" || {
711 die "Reading machine architecture failed!"
715 CSIT_TG_INTERFACES_PORT_MAC="${TG_NETMACS[*]}"
716 CSIT_TG_INTERFACES_PORT_PCI="${TG_PCIDEVS[*]}"
717 CSIT_TG_INTERFACES_PORT_DRV="${TG_DRIVERS[*]}"
718 CSIT_TG_INTERFACES_PORT_VLAN="${TG_VLANS[*]}"
719 CSIT_TG_INTERFACES_PORT_MODEL="${TG_MODELS[*]}"
720 CSIT_DUT1_INTERFACES_PORT_MAC="${DUT1_NETMACS[*]}"
721 CSIT_DUT1_INTERFACES_PORT_PCI="${DUT1_PCIDEVS[*]}"
722 CSIT_DUT1_INTERFACES_PORT_DRV="${DUT1_DRIVERS[*]}"
723 CSIT_DUT1_INTERFACES_PORT_VLAN="${DUT1_VLANS[*]}"
724 CSIT_DUT1_INTERFACES_PORT_MODEL="${DUT1_MODELS[*]}"
730 function start_topology_containers () {
732 # Starts csit-sut-dcr docker containers for TG/DUT1.
735 # - CSIT_DIR - Path to existing root of local CSIT git repository.
737 # - DCR_UUIDS - Docker Container UUIDs.
738 # - DCR_PORTS - Docker Container SSH TCP ports.
739 # - DCR_CPIDS - Docker Container PIDs (namespaces).
743 if ! installed docker; then
744 die "Docker not present. Please install before continue!"
747 # If the IMAGE is not already loaded then docker run will pull the IMAGE,
748 # and all image dependencies, before it starts the container.
750 # Run the container in the background and print the new container ID.
751 dcr_stc_params="--detach=true "
752 # Give extended privileges to this container. A "privileged" container is
753 # given access to all devices and able to run nested containers.
754 dcr_stc_params+="--privileged "
755 # Publish all exposed ports to random ports on the host interfaces.
756 dcr_stc_params+="--publish-all "
757 # Automatically remove the container when it exits.
758 dcr_stc_params+="--rm "
760 dcr_stc_params+="--shm-size 2G "
761 # Override access to PCI bus by attaching a filesystem mount to the
763 dcr_stc_params+="--mount type=tmpfs,destination=/sys/bus/pci/devices "
764 # Mount vfio devices to be able to use VFs inside the container.
766 for PCI_ADDR in ${DUT1_PCIDEVS[@]}; do
768 if [[ ${KRN_DRIVER} == "vfio-pci" ]]; then
770 dcr_stc_params+="--device /dev/vfio/${VFIO_GROUP} "
774 if ! ${vfio_bound}; then
775 dcr_stc_params+="--volume /dev/vfio:/dev/vfio "
777 # Disable manipulation with hugepages by VPP.
778 dcr_stc_params+="--volume /dev/null:/etc/sysctl.d/80-vpp.conf "
779 # Mount docker.sock to be able to use docker deamon of the host.
780 dcr_stc_params+="--volume /var/run/docker.sock:/var/run/docker.sock "
781 # Mount /opt/boot/ where VM kernel and initrd are located.
782 dcr_stc_params+="--volume /opt/boot/:/opt/boot/ "
783 # Mount host hugepages for VMs.
784 dcr_stc_params+="--volume /dev/hugepages/:/dev/hugepages/ "
786 dcr_stc_params+="--sysctl net.ipv6.conf.all.disable_ipv6=1 "
787 dcr_stc_params+="--sysctl net.ipv6.conf.default.disable_ipv6=1 "
789 # Docker Container UUIDs.
790 declare -gA DCR_UUIDS
791 # Docker Container SSH TCP ports.
792 declare -gA DCR_PORTS
793 # Docker Container PIDs (namespaces).
794 declare -gA DCR_CPIDS
796 # Run TG and DUT1. As initial version we do support only 2-node.
797 params=(${dcr_stc_params} --name csit-tg-$(uuidgen) ${dcr_image})
798 DCR_UUIDS+=([tg]=$(docker run "${params[@]}")) || {
799 die "Failed to start TG docker container!"
801 params=(${dcr_stc_params} --name csit-dut1-$(uuidgen) ${dcr_image})
802 DCR_UUIDS+=([dut1]=$(docker run "${params[@]}")) || {
803 die "Failed to start DUT1 docker container!"
806 trap 'clean_environment_on_exit' EXIT || {
807 die "Trap attempt failed, please cleanup manually. Aborting!"
810 # Get Containers TCP ports.
811 params=(${DCR_UUIDS[tg]})
812 DCR_PORTS+=([tg]=$(docker port "${params[@]}")) || {
813 die "Failed to get port of TG docker container!"
815 params=(${DCR_UUIDS[dut1]})
816 DCR_PORTS+=([dut1]=$(docker port "${params[@]}")) || {
817 die "Failed to get port of DUT1 docker container!"
820 # Get Containers PIDs.
821 params=(--format="{{ .State.Pid }}" ${DCR_UUIDS[tg]})
822 DCR_CPIDS+=([tg]=$(docker inspect "${params[@]}")) || {
823 die "Failed to get PID of TG docker container!"
825 params=(--format="{{ .State.Pid }}" ${DCR_UUIDS[dut1]})
826 DCR_CPIDS+=([dut1]=$(docker inspect "${params[@]}")) || {
827 die "Failed to get PID of DUT1 docker container!"
832 # Print the message to standard error.
834 # Duplicate of common.sh function, as this file is also used standalone.
837 # - ${@} - The text of the message.