set -exuo pipefail
# This library defines functions used by multiple entry scripts.
+# Deliberately not depending on common.sh to allow standalone usage.
# Keep functions ordered alphabetically, please.
function activate_wrapper () {
+
# Acts as wrapper for activate docker topology.
#
# Variables read:
function bind_interfaces_to_containers () {
+
# Bind linux network interface to container and create symlink for PCI
# address in container.
#
function bind_interfaces_to_driver () {
+
# Bind network interface specified by parameter to driver specified by
# parameter.
#
# - ADDR - PCI address of network interface.
# - DRIVER - Kernel driver.
+ set -exuo pipefail
+
pci_path="/sys/bus/pci/devices/${ADDR}"
drv_path="/sys/bus/pci/drivers/${DRIVER}"
- vd="$(cat ${pci_path}/vendor ${pci_path}/device)" || {
+ vd=$(cat ${pci_path}/vendor ${pci_path}/device) || {
die "Failed to retrieve interface details!"
}
set +e
function clean_environment () {
+
# Cleanup environment by removing topology containers and shared volumes
# and binding interfaces back to original driver.
#
# Kill docker containers.
docker rm --force "${DCR_UUIDS[@]}" || die "Cleanup containers failed!"
- # Check if some container is using volume and remove all the hanged
- # containers before removing volume. Command will not fail in case there
- # are no containers to remove.
- docker rm --force $(docker ps -q --filter volume=${DCR_VOLUMES[dut1]}) || {
+ # Check if there are some leftover containers and remove all. Command will
+ # not fail in case there are no containers to remove.
+ docker rm --force $(docker ps -q --filter name=${DCR_UUIDS[dut1]}) || {
warn "Failed to remove hanged containers or nothing to remove!"
}
- # Remove DUT1 volume.
- docker volume rm --force "${DCR_VOLUMES[dut1]}" || {
- die "Failed to remove DUT1 volume!"
- }
-
# Rebind interfaces back to kernel drivers.
for ADDR in ${TG_PCIDEVS[@]}; do
DRIVER="${TG_DRIVERS[0]}"
function clean_environment_on_exit () {
+
# Cleanup environment by removing topology containers and binding
# interfaces back to original driver only if exit code is not 0.
# This function acts as workaround as 'set -eu' does not trigger ERR trap.
+ set -exuo pipefail
+
if [ $? -ne 0 ]; then
clean_environment || die
fi
function deactivate_wrapper () {
+
# Acts as wrapper for deactivate docker topology.
#
# Variables read:
function die () {
+
# Print the message to standard error end exit with error code specified
# by the second argument.
#
+ # Duplicate of common.sh function, as this file is also used standalone.
+ #
# Hardcoded values:
# - The default error message.
# Arguments:
function enter_mutex () {
+
# Enter mutual exclusion for protecting execution from starvation and
# deadlock.
function exit_mutex () {
+
# Exit mutual exclusion.
set -exuo pipefail
function get_available_interfaces () {
+
# Find and get available Virtual functions.
#
# Arguments:
- # - ${1} - Node flavor string, usually describing the processor and node
- # multiplicity of desired testbed, separated by underscore.
+ # - ${1} - Nodeness, as set by common.sh get_test_code.
+ # - ${2} - Flavor, as set by common.sh get_test_code.
# Variables set:
# - DUT1_NETDEVS - List of network devices allocated to DUT1 container.
# - DUT1_PCIDEVS - List of PCI addresses allocated to DUT1 container.
# Add Intel Corporation 82545EM Gigabit Ethernet Controller to the
# whitelist.
pci_id="0x100f"
- tg_netdev=(eth1 eth2)
- dut1_netdev=(eth3 eth4)
+ tg_netdev=(enpTGa enpTGb)
+ dut1_netdev=(enpSUTa enpSUTb)
;;
*)
die "Unknown specification: ${case_text}!"
fi
done
- for netdev in "${tg_side[@]::2}"; do
- TG_NETDEVS+=(${netdev})
- done
- for netdev in "${dut1_side[@]::2}"; do
- DUT1_NETDEVS+=(${netdev})
- done
+ case "${case_text}" in
+ "1n_skx")
+ # Pick up first two DUT1 interfaces binded to i40evf.
+ for netdev in "${dut1_side[@]::2}"; do
+ DUT1_NETDEVS+=(${netdev})
+ done
+ # Corresponding TG interfaces will be same ID.SUB_ID, but on
+ # opposite linked device.
+ for netdev in "${DUT1_NETDEVS[@]}"; do
+ TG_NETDEVS+=(${netdev/$dut1_netdev/$tg_netdev})
+ done
+ ;;
+ *)
+ for netdev in "${tg_side[@]::2}"; do
+ TG_NETDEVS+=(${netdev})
+ done
+ for netdev in "${dut1_side[@]::2}"; do
+ DUT1_NETDEVS+=(${netdev})
+ done
+ esac
for NETDEV in "${TG_NETDEVS[@]}"; do
get_pci_addr
function get_krn_driver () {
+
# Get kernel driver from linux network device name.
#
# Variables read:
function get_mac_addr () {
+
# Get MAC address from linux network device name.
#
# Variables read:
function get_pci_addr () {
+
# Get PCI address in <domain>:<bus:<device>.<func> format from linux network
# device name.
#
function installed () {
- set -exuo pipefail
-
# Check if the given utility is installed. Fail if not installed.
#
+ # Duplicate of common.sh function, as this file is also used standalone.
+ #
# Arguments:
# - ${1} - Utility to check.
# Returns:
# - 0 - If command is installed.
# - 1 - If command is not installed.
+ set -exuo pipefail
+
command -v "${1}"
}
function print_env_variables () {
+
# Get environment variables prefixed by CSIT_.
set -exuo pipefail
- env | grep CSIT_
+ env | grep CSIT_ || true
}
function read_env_variables () {
+
# Read environment variables from parameters.
#
# Arguments:
# - ${@} - Variables passed as an argument.
+ # Variables read, set or exported: Multiple,
+ # see the code for the current list.
+ # TODO: Do we need to list them and their meanings?
set -exuo pipefail
export "${param}"
done
declare -gA DCR_UUIDS
- declare -gA DCR_VOLUMES
DCR_UUIDS+=([tg]="${CSIT_TG_UUID}")
DCR_UUIDS+=([dut1]="${CSIT_DUT1_UUID}")
- DCR_VOLUMES+=([dut1]="${CSIT_DUT1_VOL}")
TG_PCIDEVS=("${CSIT_TG_INTERFACES_PORT1_PCI}")
TG_DRIVERS=("${CSIT_TG_INTERFACES_PORT1_DRV}")
TG_PCIDEVS+=("${CSIT_TG_INTERFACES_PORT2_PCI}")
function set_env_variables () {
+
# Set environment variables.
#
# Variables read:
# - TG_NETMACS - List of network devices MAC addresses of TG container.
# - TG_PCIDEVS - List of PCI addresses of devices of TG container.
# - TG_DRIVERS - List of interface drivers to TG container.
+ # Variables set: TODO.
set -exuo pipefail
CSIT_DUT1_ARCH="$(uname -i)" || {
die "Reading machine architecture failed!"
}
- CSIT_DUT1_VOL="${DCR_VOLUMES[dut1]}"
CSIT_TG_INTERFACES_PORT1_MAC="${TG_NETMACS[0]}"
CSIT_TG_INTERFACES_PORT1_PCI="${TG_PCIDEVS[0]}"
CSIT_TG_INTERFACES_PORT1_DRV="${TG_DRIVERS[0]}"
function start_topology_containers () {
+
# Starts csit-sut-dcr docker containers for TG/DUT1.
#
# Variables read:
declare -gA DCR_PORTS
# Docker Container PIDs (namespaces).
declare -gA DCR_CPIDS
- # Docker Container volumes with no relationship to the host.
- declare -gA DCR_VOLUMES
-
- # Create DUT1 /tmp volume to be able to install VPP in "nested" container.
- params=(--name DUT1_VOL_$(uuidgen))
- DCR_VOLUMES+=([dut1]="$(docker volume create "${params[@]}")") || {
- die "Failed to create DUT1 /tmp volume!"
- }
-
- # Mount DUT1_VOL as /tmp directory on DUT1 container
- dcr_stc_params_dut1="--volume ${DCR_VOLUMES[dut1]}:/tmp "
# Run TG and DUT1. As initial version we do support only 2-node.
params=(${dcr_stc_params} --name csit-tg-$(uuidgen) ${dcr_image})
- DCR_UUIDS+=([tg]="$(docker run "${params[@]}")") || {
+ DCR_UUIDS+=([tg]=$(docker run "${params[@]}")) || {
die "Failed to start TG docker container!"
}
- params=(${dcr_stc_params} ${dcr_stc_params_dut1}
- --name csit-dut1-$(uuidgen) ${dcr_image})
- DCR_UUIDS+=([dut1]="$(docker run "${params[@]}")") || {
+ params=(${dcr_stc_params} --name csit-dut1-$(uuidgen) ${dcr_image})
+ DCR_UUIDS+=([dut1]=$(docker run "${params[@]}")) || {
die "Failed to start DUT1 docker container!"
}
# Get Containers TCP ports.
params=(${DCR_UUIDS[tg]})
- DCR_PORTS+=([tg]="$(docker port "${params[@]}")") || {
+ DCR_PORTS+=([tg]=$(docker port "${params[@]}")) || {
die "Failed to get port of TG docker container!"
}
params=(${DCR_UUIDS[dut1]})
- DCR_PORTS+=([dut1]="$(docker port "${params[@]}")") || {
+ DCR_PORTS+=([dut1]=$(docker port "${params[@]}")) || {
die "Failed to get port of DUT1 docker container!"
}
# Get Containers PIDs.
params=(--format="{{ .State.Pid }}" ${DCR_UUIDS[tg]})
- DCR_CPIDS+=([tg]="$(docker inspect "${params[@]}")") || {
+ DCR_CPIDS+=([tg]=$(docker inspect "${params[@]}")) || {
die "Failed to get PID of TG docker container!"
}
params=(--format="{{ .State.Pid }}" ${DCR_UUIDS[dut1]})
- DCR_CPIDS+=([dut1]="$(docker inspect "${params[@]}")") || {
+ DCR_CPIDS+=([dut1]=$(docker inspect "${params[@]}")) || {
die "Failed to get PID of DUT1 docker container!"
}
}
function warn () {
# Print the message to standard error.
#
+ # Duplicate of common.sh function, as this file is also used standalone.
+ #
# Arguments:
# - ${@} - The text of the message.
+ set -exuo pipefail
+
echo "$@" >&2
}