6wind-virtual-accelerator-plugin: adding scripts for simple testing

This patch adds a "tests" folder that includes scripts to be used for
plugin testing.

Signed-off-by: Francesco Santoro <francesco.santoro@6wind.com>

Change-Id: I18d2db1137d1fe76bc1b409f20275a45e09454e7

tests/README

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+.. Copyright 2016, 6WIND S.A.
+
+Introduction
+============
+
+This folder contains scripts to be used when testing the 6WIND virtual accelerator Fuel plugin.
+Please refer to TestPlan document for more details on how to use these scripts.
+

tests/cloud.cfg

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+#cloud-config
+disable_root: false
+ssh_pwauth: True
+chpasswd:
+  list: |
+     root:root
+  expire: False
+packages:
+  - iperf
+runcmd:
+  - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
+  - sed -i -e '/^#UseDNS/s/^.*$/UseDNS no/' /etc/ssh/sshd_config
+  - sed -i -e '/^GSSAPIAuthentication/s/^.*$/GSSAPIAuthentication no/' /etc/ssh/sshd_config
+  - restart ssh
+  - systemctl restart sshd
+  - iperf -s -p 6000 -D

tests/compute_check_stats_after.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+TAP_IFACE=$(ip link | grep tap | awk '{print $2}' | sed 's#:##' | tail -n1)
+
+NB_TAP_PACKETS_BEFORE=$(cat /tmp/6WIND_va_nb_tap_before)
+NB_FP_VSWITCH_PACKETS_BEFORE=$(cat /tmp/6WIND_va_fp_vswitch_before)
+NB_EXCEPTIONS_BEFORE=$(cat /tmp/6WIND_va_nb_exc_before)
+
+NB_TAP_PACKETS_AFTER=$(ethtool -S $TAP_IFACE | grep rx.good_packets | awk '{print $2}')
+NB_FP_VSWITCH_PACKETS_AFTER=$(fp-cli dump-stats | grep output_ok | sed 's#:# ##' | awk '{print $2}')
+NB_EXCEPTIONS_AFTER=$(fp-cli dump-stats | grep LocalBasicExceptions | sed 's#:# ##' | awk '{print $2}')
+
+NB_TAP_PACKETS=$(expr $NB_TAP_PACKETS_AFTER - $NB_TAP_PACKETS_BEFORE)
+NB_FP_VSWITCH_PACKETS=$(expr $NB_FP_VSWITCH_PACKETS_AFTER - $NB_FP_VSWITCH_PACKETS_BEFORE)
+NB_EXCEPTIONS=$(expr $NB_EXCEPTIONS_AFTER - $NB_EXCEPTIONS_BEFORE)
+
+# Here we verify 2 things.
+# The first check wants to assure that the packets received by the spawned vm
+# were processed by 6WIND virtual accelerator and not sent to slow path (exception).
+# The second check wants to assure that this traffic towards the vm correctly
+# passed via the accelerated ovs.
+# This is a simple heuristics but it should be enough.
+if [[ ${NB_EXCEPTIONS} -lt ${NB_TAP_PACKETS} && ${NB_TAP_PACKETS} -le ${NB_FP_VSWITCH_PACKETS} ]]; then
+    exit 0
+fi
+exit 1

tests/compute_check_stats_before.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+TAP_IFACE=$(ip link | grep tap | awk '{print $2}' | sed 's#:##' | tail -n1)
+
+NB_TAP_PACKETS_BEFORE=$(ethtool -S $TAP_IFACE | grep rx.good_packets | awk '{print $2}')
+NB_FP_VSWITCH_PACKETS_BEFORE=$(fp-cli dump-stats non-zero | grep output_ok | sed 's#:# ##' | awk '{print $2}')
+NB_EXCEPTIONS_BEFORE=$(fp-cli dump-stats non-zero | grep LocalBasicExceptions | sed 's#:# ##' | awk '{print $2}')
+
+echo $NB_TAP_PACKETS_BEFORE > /tmp/6WIND_va_nb_tap_before
+echo $NB_FP_VSWITCH_PACKETS_BEFORE > /tmp/6WIND_va_fp_vswitch_before
+echo $NB_EXCEPTIONS_BEFORE > /tmp/6WIND_va_nb_exc_before
+

tests/compute_verify_driver.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+TAP_IFACE=$(ip link | grep tap | awk '{print $2}' | sed 's#:##' | tail -n1)
+DRIVER=$(ethtool -i $TAP_IFACE | grep driver | awk '{print $2}')
+
+if [[ ${DRIVER} -eq "dpvi" ]]; then
+    exit 0
+fi
+exit 1

tests/controller_cleanup.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+source openrc
+
+glance image-delete ubuntu-cloud
+nova flavor-delete m1.vm_hugepages
+
+STATUS=$(nova show test_vm | grep status | awk '{print $4}')
+if [[ ${STATUS} == "ACTIVE" ]] || [[ ${STATUS} == "ERROR" ]]; then
+    nova delete test_vm
+fi
+nova secgroup-delete-rule default tcp 1 65535 0.0.0.0/0
+

tests/controller_configure_floating.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+source openrc
+
+FLOATING_IP=$(nova floating-ip-create net04_ext | grep net04_ext | tail -n1 | awk '{print $4}')
+
+if [[ ! -z ${FLOATING_IP} ]]; then
+    nova floating-ip-associate test_vm ${FLOATING_IP}
+    nova secgroup-add-rule default tcp 1 65535 0.0.0.0/0
+fi
+

tests/controller_create_image_and_flavor.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+UBUNTU_IMAGE="ubuntu-14.04-server-cloudimg-amd64-disk1.img"
+IMAGE_NAME="ubuntu-cloud"
+
+source openrc
+
+#Required to be able to install iperf package since Cirros image does not provide it
+curl https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img -o $UBUNTU_IMAGE
+glance image-create --name $IMAGE_NAME --file $UBUNTU_IMAGE --disk-format qcow2 --container-format bare --is-public True --progress
+nova flavor-create m1.vm_hugepages auto 512 3 1
+nova flavor-key m1.vm_hugepages set hw:mem_page_size=large
+

tests/controller_launch_instance.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+source openrc
+
+NET_ID=$(neutron net-list | grep 192 | tail -n1 | awk '{print $2}')
+nova boot --flavor m1.vm_hugepages --image ubuntu-cloud test_vm --nic net-id=$NET_ID --user-data /root/cloud.cfg
+
+while [ $(nova list | grep test_vm | grep BUILD | wc -l) -eq 1 ]; do
+    sleep 1;
+done
+
+STATUS=$(nova show test_vm | grep status | awk '{print $4}')
+
+if [[ ${STATUS} == "ACTIVE" ]]; then
+    echo "Wait 2 minutes to make sure that vm cloud-init has finished"
+    sleep 120
+    exit 0
+fi
+exit 1

tests/controller_send_traffic.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+source openrc
+floating_ip=$(nova floating-ip-list | grep net04_ext | awk '{print $4}')
+
+apt-get install -y iperf
+iperf -c $floating_ip -p 6000
+

tests/run_tests.sh

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+# Copyright 2016 6WIND S.A.
+#
+#!/bin/bash
+
+echo "Upload scripts to controller node"
+scp controller_* cloud.cfg root@$CONTROLLER:/root/
+
+echo "Upload scripts to compute node"
+scp compute_* root@$COMPUTE:/root/
+
+function cleanup {
+    echo "Cleanup of testing resources"
+    ssh root@$CONTROLLER 'bash /root/controller_cleanup.sh'
+}
+
+echo "Download the ubuntu cloud image to spawn vms and create flavor for hugepages support"
+ssh root@$CONTROLLER 'bash /root/controller_create_image_and_flavor.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Failed to download test cloud image. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Spawn an accelerated vm"
+ssh root@$CONTROLLER 'bash /root/controller_launch_instance.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Unable to launch accelerated instance. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Verify that network interface is managed by virtual accelerator"
+ssh root@$COMPUTE 'bash /root/compute_verify_driver.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Virtual machine network interface is not managed by 6WIND virtual accelerator. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Add security group tcp rule and associate floating ip"
+ssh root@$CONTROLLER 'bash /root/controller_configure_floating.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Unable to correctly configure floating ip and security group. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Check virtual accelerator statistics before traffic"
+ssh root@$COMPUTE 'bash /root/compute_check_stats_before.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Unable to retrieve virtual interface pre-stats. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Send traffic from controller to virtual machine"
+ssh root@$CONTROLLER 'bash /root/controller_send_traffic.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: Unable to correctly send traffic to virtual machine. Exiting..."
+    cleanup
+    exit 1
+fi
+
+echo "Check virtual accelerator statistics after traffic"
+ssh root@$COMPUTE 'bash /root/compute_check_stats_after.sh'
+if [[ $? -eq 1 ]]; then
+    echo "TEST FAILED: A part or all the traffic sent was not accelerated"
+    cleanup
+    exit 1
+fi
+
+echo "TEST PASSED"
+cleanup
+exit 0