Initial bats based integration tests for testing daemon network configs
Pre-reqs : * docker machine (https://github.com/docker/machine) * bats (https://github.com/sstephenson/bats) * virtualbox Signed-off-by: Madhu Venugopal <madhu@docker.com>
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Madhu Venugopal
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34
libnetwork/test/integration/README.md
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34
libnetwork/test/integration/README.md
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# LibNetwork Integration Tests
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Integration tests provide end-to-end testing of LibNetwork and Drivers.
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While unit tests verify the code is working as expected by relying on mocks and
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artificially created fixtures, integration tests actually use real docker
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engines and communicate to it through the CLI.
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Note that integration tests do **not** replace unit tests and Docker is used as a good use-case.
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As a rule of thumb, code should be tested thoroughly with unit tests.
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Integration tests on the other hand are meant to test a specific feature end to end.
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Integration tests are written in *bash* using the
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[bats](https://github.com/sstephenson/bats) framework.
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## Pre-Requisites
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1. Bats (https://github.com/sstephenson/bats#installing-bats-from-source)
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2. Docker Machine (https://github.com/docker/machine)
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3. Virtualbox (as a Docker machine driver)
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## Running integration tests
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* Start by [installing] (https://github.com/sstephenson/bats#installing-bats-from-source) *bats* on your system.
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* If not done already, [install](https://docs.docker.com/machine/) *docker-machine* into /usr/bin
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* Make sure Virtualbox is installed as well, which will be used by docker-machine as a driver to launch VMs
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In order to run all integration tests, pass *bats* the test path:
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```
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$ bats test/integration/daemon-configs.bats
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```
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104
libnetwork/test/integration/daemon-configs.bats
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104
libnetwork/test/integration/daemon-configs.bats
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#!/usr/bin/env bats
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load helpers
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export DRIVER=virtualbox
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export NAME="bats-$DRIVER-daemon-configs"
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export MACHINE_STORAGE_PATH=/tmp/machine-bats-daemon-test-$DRIVER
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# Default memsize is 1024MB and disksize is 20000MB
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# These values are defined in drivers/virtualbox/virtualbox.go
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export DEFAULT_MEMSIZE=1024
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export DEFAULT_DISKSIZE=20000
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export CUSTOM_MEMSIZE=1536
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export CUSTOM_DISKSIZE=10000
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export CUSTOM_CPUCOUNT=1
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export BAD_URL="http://dev.null:9111/bad.iso"
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function setup() {
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# add sleep because vbox; ugh
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sleep 1
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}
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findDiskSize() {
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# SATA-0-0 is usually the boot2disk.iso image
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# We assume that SATA 1-0 is root disk VMDK and grab this UUID
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# e.g. "SATA-ImageUUID-1-0"="fb5f33a7-e4e3-4cb9-877c-f9415ae2adea"
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# TODO(slashk): does this work on Windows ?
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run bash -c "VBoxManage showvminfo --machinereadable $NAME | grep SATA-ImageUUID-1-0 | cut -d'=' -f2"
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run bash -c "VBoxManage showhdinfo $output | grep "Capacity:" | awk -F' ' '{ print $2 }'"
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}
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findMemorySize() {
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run bash -c "VBoxManage showvminfo --machinereadable $NAME | grep memory= | cut -d'=' -f2"
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}
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findCPUCount() {
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run bash -c "VBoxManage showvminfo --machinereadable $NAME | grep cpus= | cut -d'=' -f2"
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}
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buildMachineWithOldIsoCheckUpgrade() {
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run wget https://github.com/boot2docker/boot2docker/releases/download/v1.4.1/boot2docker.iso -O $MACHINE_STORAGE_PATH/cache/boot2docker.iso
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run machine create -d virtualbox $NAME
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run machine upgrade $NAME
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}
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@test "$DRIVER: machine should not exist" {
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run machine active $NAME
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[ "$status" -eq 1 ]
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}
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@test "$DRIVER: VM should not exist" {
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run VBoxManage showvminfo $NAME
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[ "$status" -eq 1 ]
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}
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@test "$DRIVER: create" {
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run machine create -d $DRIVER $NAME
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[ "$status" -eq 0 ]
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}
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@test "$DRIVER: active" {
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run machine active $NAME
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[ "$status" -eq 0 ]
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}
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@test "$DRIVER: check default machine memory size" {
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findMemorySize
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[[ ${output} == "${DEFAULT_MEMSIZE}" ]]
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}
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@test "$DRIVER: check default machine disksize" {
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findDiskSize
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[[ ${output} == *"$DEFAULT_DISKSIZE"* ]]
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}
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@test "$DRIVER: test bridge-ip" {
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run machine ssh $NAME sudo /etc/init.d/docker stop
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run machine ssh $NAME sudo ifconfig docker0 down
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run machine ssh $NAME sudo ip link delete docker0
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BIP='--bip=172.168.45.1/24'
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set_extra_config $BIP
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cat ${TMP_EXTRA_ARGS_FILE} | machine ssh $NAME sudo tee /var/lib/boot2docker/profile
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cat ${DAEMON_CFG_FILE} | machine ssh $NAME "sudo tee -a /var/lib/boot2docker/profile"
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run machine ssh $NAME sudo /etc/init.d/docker start
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run machine ssh $NAME ifconfig docker0
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[ "$status" -eq 0 ]
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[[ ${lines[1]} =~ "172.168.45.1" ]]
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}
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@test "$DRIVER: run busybox container" {
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run machine ssh $NAME sudo cat /var/lib/boot2docker/profile
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run docker $(machine config $NAME) run busybox echo hello world
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[ "$status" -eq 0 ]
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}
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@test "$DRIVER: remove machine" {
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run machine rm -f $NAME
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}
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# Cleanup of machine store should always be the last 'test'
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@test "$DRIVER: cleanup" {
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run rm -rf $MACHINE_STORAGE_PATH
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[ "$status" -eq 0 ]
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}
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4
libnetwork/test/integration/daemon.cfg
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4
libnetwork/test/integration/daemon.cfg
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CACERT=/var/lib/boot2docker/ca.pem
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SERVERCERT=/var/lib/boot2docker/server-key.pem
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SERVERKEY=/var/lib/boot2docker/server.pem
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DOCKER_TLS=no
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50
libnetwork/test/integration/helpers.bash
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50
libnetwork/test/integration/helpers.bash
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#!/bin/bash
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# Root directory of the repository.
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MACHINE_ROOT=/usr/bin
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PLATFORM=`uname -s | tr '[:upper:]' '[:lower:]'`
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ARCH=`uname -m`
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if [ "$ARCH" = "x86_64" ]; then
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ARCH="amd64"
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else
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ARCH="386"
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fi
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MACHINE_BIN_NAME=docker-machine_$PLATFORM-$ARCH
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BATS_LOG=/tmp/bats.log
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touch ${BATS_LOG}
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rm ${BATS_LOG}
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teardown() {
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echo "$BATS_TEST_NAME
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----------
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$output
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----------
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" >> ${BATS_LOG}
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}
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EXTRA_ARGS_CFG='EXTRA_ARGS'
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EXTRA_ARGS='--tlsverify --tlscacert=/var/lib/boot2docker/ca.pem --tlskey=/var/lib/boot2docker/server-key.pem --tlscert=/var/lib/boot2docker/server.pem --label=provider=virtualbox -H tcp://0.0.0.0:2376'
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TMP_EXTRA_ARGS_FILE=/tmp/tmp_extra_args
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DAEMON_CFG_FILE=${BATS_TEST_DIRNAME}/daemon.cfg
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set_extra_config() {
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if [ -f ${TMP_EXTRA_ARGS_FILE} ];
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then
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rm ${TMP_EXTRA_ARGS_FILE}
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fi
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echo -n "${EXTRA_ARGS_CFG}='" > ${TMP_EXTRA_ARGS_FILE}
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echo -n "$1 " >> ${TMP_EXTRA_ARGS_FILE}
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echo "${EXTRA_ARGS}'" >> ${TMP_EXTRA_ARGS_FILE}
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}
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if [ ! -e $MACHINE_ROOT/$MACHINE_BIN_NAME ]; then
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echo "${MACHINE_ROOT}/${MACHINE_BIN_NAME} not found"
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exit 1
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fi
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function machine() {
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${MACHINE_ROOT}/$MACHINE_BIN_NAME "$@"
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}
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