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moby--moby/libnetwork/test/integration/dnet/helpers.bash
Stefan Weil 13451d9a07 Fix some typos in comments and strings
All of them were found and fixed by codespell.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
2016-03-01 16:45:14 +01:00

516 lines
14 KiB
Bash

function get_docker_bridge_ip() {
echo $(docker run --rm -it busybox ip route show | grep default | cut -d" " -f3)
}
function inst_id2port() {
echo $((41000+${1}-1))
}
function dnet_container_name() {
echo dnet-$1-$2
}
function get_sbox_id() {
local line
line=$(dnet_cmd $(inst_id2port ${1}) service ls | grep ${2})
echo ${line} | cut -d" " -f5
}
function net_connect() {
local al gl
if [ -n "$4" ]; then
if [ "${4}" != ":" ]; then
al="--alias=${4}"
fi
fi
if [ -n "$5" ]; then
gl="--alias=${5}"
fi
dnet_cmd $(inst_id2port ${1}) service publish $gl ${2}.${3}
dnet_cmd $(inst_id2port ${1}) service attach $al ${2} ${2}.${3}
}
function net_disconnect() {
dnet_cmd $(inst_id2port ${1}) service detach ${2} ${2}.${3}
dnet_cmd $(inst_id2port ${1}) service unpublish ${2}.${3}
}
function start_consul() {
stop_consul
docker run -d \
--name=pr_consul \
-p 8500:8500 \
-p 8300-8302:8300-8302/tcp \
-p 8300-8302:8300-8302/udp \
-h consul \
progrium/consul -server -bootstrap
sleep 2
}
function stop_consul() {
echo "consul started"
docker stop pr_consul || true
# You cannot destroy a container in Circle CI. So do not attempt destroy in circleci
if [ -z "$CIRCLECI" ]; then
docker rm -f pr_consul || true
fi
}
hrun() {
local e E T oldIFS
[[ ! "$-" =~ e ]] || e=1
[[ ! "$-" =~ E ]] || E=1
[[ ! "$-" =~ T ]] || T=1
set +e
set +E
set +T
output="$("$@" 2>&1)"
status="$?"
oldIFS=$IFS
IFS=$'\n' lines=($output)
[ -z "$e" ] || set -e
[ -z "$E" ] || set -E
[ -z "$T" ] || set -T
IFS=$oldIFS
}
function wait_for_dnet() {
local hport
hport=$1
echo "waiting on dnet to come up ..."
for i in `seq 1 10`;
do
hrun ./bin/dnet -H tcp://127.0.0.1:${hport} network ls
echo ${output}
if [ "$status" -eq 0 ]; then
return
fi
if [[ "${lines[1]}" =~ .*EOF.* ]]
then
docker logs ${2}
fi
echo "still waiting after ${i} seconds"
sleep 1
done
}
function parse_discovery_str() {
local d provider address
discovery=$1
provider=$(echo ${discovery} | cut -d":" -f1)
address=$(echo ${discovery} | cut -d":" -f2):$(echo ${discovery} | cut -d":" -f3)
address=${address:2}
echo "${discovery} ${provider} ${address}"
}
function start_dnet() {
local inst suffix name hport cport hopt store bridge_ip labels tomlfile
local discovery provider address
inst=$1
shift
suffix=$1
shift
stop_dnet ${inst} ${suffix}
name=$(dnet_container_name ${inst} ${suffix})
hport=$((41000+${inst}-1))
cport=2385
hopt=""
store=${suffix}
while [ -n "$1" ]
do
if [[ "$1" =~ ^[0-9]+$ ]]
then
hport=$1
cport=$1
hopt="-H tcp://0.0.0.0:${cport}"
else
store=$1
fi
shift
done
bridge_ip=$(get_docker_bridge_ip)
echo "start_dnet parsed values: " ${inst} ${suffix} ${name} ${hport} ${cport} ${hopt} ${store} ${labels}
mkdir -p /tmp/dnet/${name}
tomlfile="/tmp/dnet/${name}/libnetwork.toml"
# Try discovery URLs with or without path
if [ "$store" = "zookeeper" ]; then
read discovery provider address < <(parse_discovery_str zk://${bridge_ip}:2182)
elif [ "$store" = "etcd" ]; then
read discovery provider address < <(parse_discovery_str etcd://${bridge_ip}:42000/custom_prefix)
else
read discovery provider address < <(parse_discovery_str consul://${bridge_ip}:8500/custom_prefix)
fi
cat > ${tomlfile} <<EOF
title = "LibNetwork Configuration file for ${name}"
[daemon]
debug = false
[cluster]
discovery = "${discovery}"
Heartbeat = 10
[scopes]
[scopes.global]
[scopes.global.client]
provider = "${provider}"
address = "${address}"
EOF
cat ${tomlfile}
docker run \
-d \
--name=${name} \
--privileged \
-p ${hport}:${cport} \
-e _OVERLAY_HOST_MODE \
-v $(pwd)/:/go/src/github.com/docker/libnetwork \
-v /tmp:/tmp \
-v $(pwd)/${TMPC_ROOT}:/scratch \
-v /usr/local/bin/runc:/usr/local/bin/runc \
-w /go/src/github.com/docker/libnetwork \
mrjana/golang ./bin/dnet -d -D ${hopt} -c ${tomlfile}
wait_for_dnet $(inst_id2port ${inst}) ${name}
}
function skip_for_circleci() {
if [ -n "$CIRCLECI" ]; then
skip
fi
}
function stop_dnet() {
local name
name=$(dnet_container_name $1 $2)
rm -rf /tmp/dnet/${name} || true
docker stop ${name} || true
# You cannot destroy a container in Circle CI. So do not attempt destroy in circleci
if [ -z "$CIRCLECI" ]; then
docker rm -f ${name} || true
fi
}
function dnet_cmd() {
local hport
hport=$1
shift
./bin/dnet -H tcp://127.0.0.1:${hport} $*
}
function dnet_exec() {
docker exec -it ${1} bash -c "$2"
}
function runc() {
local dnet
dnet=${1}
shift
dnet_exec ${dnet} "cp /var/lib/docker/network/files/${1}*/* /scratch/rootfs/etc"
dnet_exec ${dnet} "mkdir -p /var/run/netns"
dnet_exec ${dnet} "touch /var/run/netns/c && mount -o bind /var/run/docker/netns/${1} /var/run/netns/c"
dnet_exec ${dnet} "ip netns exec c unshare -fmuip --mount-proc chroot \"/scratch/rootfs\" /bin/sh -c \"/bin/mount -t proc proc /proc && ${2}\""
dnet_exec ${dnet} "umount /var/run/netns/c && rm /var/run/netns/c"
}
function runc_nofail() {
local dnet
dnet=${1}
shift
dnet_exec ${dnet} "cp /var/lib/docker/network/files/${1}*/* /scratch/rootfs/etc"
dnet_exec ${dnet} "mkdir -p /var/run/netns"
dnet_exec ${dnet} "touch /var/run/netns/c && mount -o bind /var/run/docker/netns/${1} /var/run/netns/c"
set +e
dnet_exec ${dnet} "ip netns exec c unshare -fmuip --mount-proc chroot \"/scratch/rootfs\" /bin/sh -c \"/bin/mount -t proc proc /proc && ${2}\""
status="$?"
set -e
dnet_exec ${dnet} "umount /var/run/netns/c && rm /var/run/netns/c"
}
function start_etcd() {
local bridge_ip
stop_etcd
bridge_ip=$(get_docker_bridge_ip)
docker run -d \
--net=host \
--name=dn_etcd \
mrjana/etcd --listen-client-urls http://0.0.0.0:42000 \
--advertise-client-urls http://${bridge_ip}:42000
sleep 2
}
function stop_etcd() {
docker stop dn_etcd || true
# You cannot destroy a container in Circle CI. So do not attempt destroy in circleci
if [ -z "$CIRCLECI" ]; then
docker rm -f dn_etcd || true
fi
}
function start_zookeeper() {
stop_zookeeper
docker run -d \
--name=zookeeper_server \
-p 2182:2181 \
-h zookeeper \
dnephin/docker-zookeeper:3.4.6
sleep 2
}
function stop_zookeeper() {
echo "zookeeper started"
docker stop zookeeper_server || true
# You cannot destroy a container in Circle CI. So do not attempt destroy in circleci
if [ -z "$CIRCLECI" ]; then
docker rm -f zookeeper_server || true
fi
}
function test_overlay() {
dnet_suffix=$1
echo $(docker ps)
start=1
end=3
# Setup overlay network and connect containers ot it
if [ -z "${2}" -o "${2}" != "skip_add" ]; then
if [ -z "${2}" -o "${2}" != "internal" ]; then
dnet_cmd $(inst_id2port 1) network create -d overlay multihost
else
dnet_cmd $(inst_id2port 1) network create -d overlay --internal multihost
fi
fi
for i in `seq ${start} ${end}`;
do
dnet_cmd $(inst_id2port $i) container create container_${i}
net_connect ${i} container_${i} multihost
done
# Now test connectivity between all the containers using service names
for i in `seq ${start} ${end}`;
do
if [ -z "${2}" -o "${2}" != "internal" ]; then
runc $(dnet_container_name $i $dnet_suffix) $(get_sbox_id ${i} container_${i}) \
"ping -c 1 www.google.com"
else
default_route=`runc $(dnet_container_name $i $dnet_suffix) $(get_sbox_id ${i} container_${i}) "ip route | grep default"`
[ "$default_route" = "" ]
fi
for j in `seq ${start} ${end}`;
do
if [ "$i" -eq "$j" ]; then
continue
fi
runc $(dnet_container_name $i $dnet_suffix) $(get_sbox_id ${i} container_${i}) \
"ping -c 1 container_$j"
done
done
# Setup bridge network and connect containers ot it
if [ -z "${2}" -o "${2}" != "skip_add" ]; then
if [ -z "${2}" -o "${2}" != "internal" ]; then
dnet_cmd $(inst_id2port 1) network create -d bridge br1
dnet_cmd $(inst_id2port 1) network create -d bridge br2
net_connect ${start} container_${start} br1
net_connect ${start} container_${start} br2
# Make sure external connectivity works
runc $(dnet_container_name ${start} $dnet_suffix) $(get_sbox_id ${start} container_${start}) \
"ping -c 1 www.google.com"
net_disconnect ${start} container_${start} br1
net_disconnect ${start} container_${start} br2
# Make sure external connectivity works
runc $(dnet_container_name ${start} $dnet_suffix) $(get_sbox_id ${start} container_${start}) \
"ping -c 1 www.google.com"
dnet_cmd $(inst_id2port 1) network rm br1
dnet_cmd $(inst_id2port 1) network rm br2
# Disconnect from overlay network
net_disconnect ${start} container_${start} multihost
# Make sure external connectivity works
runc $(dnet_container_name ${start} $dnet_suffix) $(get_sbox_id ${start} container_${start}) \
"ping -c 1 www.google.com"
# Connect to overlay network again
net_connect ${start} container_${start} multihost
# Make sure external connectivity still works
runc $(dnet_container_name ${start} $dnet_suffix) $(get_sbox_id ${start} container_${start}) \
"ping -c 1 www.google.com"
fi
fi
# Teardown the container connections and the network
for i in `seq ${start} ${end}`;
do
net_disconnect ${i} container_${i} multihost
dnet_cmd $(inst_id2port $i) container rm container_${i}
done
if [ -z "${2}" -o "${2}" != "skip_rm" ]; then
dnet_cmd $(inst_id2port 2) network rm multihost
fi
}
function check_etchosts() {
local dnet sbid retval
dnet=${1}
shift
sbid=${1}
shift
retval="true"
for i in $*;
do
run runc ${dnet} ${sbid} "cat /etc/hosts"
if [ "$status" -ne 0 ]; then
retval="${output}"
break
fi
line=$(echo ${output} | grep ${i})
if [ "${line}" == "" ]; then
retval="false"
fi
done
echo ${retval}
}
function test_overlay_singlehost() {
dnet_suffix=$1
shift
echo $(docker ps)
start=1
end=3
# Setup overlay network and connect containers ot it
dnet_cmd $(inst_id2port 1) network create -d overlay multihost
for i in `seq ${start} ${end}`;
do
dnet_cmd $(inst_id2port 1) container create container_${i}
net_connect 1 container_${i} multihost
done
# Now test connectivity between all the containers using service names
for i in `seq ${start} ${end}`;
do
for j in `seq ${start} ${end}`;
do
if [ "$i" -eq "$j" ]; then
continue
fi
runc $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 container_${i}) \
"ping -c 1 container_$j"
done
done
# Teardown the container connections and the network
for i in `seq ${start} ${end}`;
do
net_disconnect 1 container_${i} multihost
dnet_cmd $(inst_id2port 1) container rm container_${i}
done
dnet_cmd $(inst_id2port 1) network rm multihost
}
function test_overlay_hostmode() {
dnet_suffix=$1
shift
echo $(docker ps)
start=1
end=2
# Setup overlay network and connect containers ot it
dnet_cmd $(inst_id2port 1) network create -d overlay multihost1
dnet_cmd $(inst_id2port 1) network create -d overlay multihost2
dnet_cmd $(inst_id2port 1) network ls
for i in `seq ${start} ${end}`;
do
dnet_cmd $(inst_id2port 1) container create mh1_${i}
net_connect 1 mh1_${i} multihost1
done
for i in `seq ${start} ${end}`;
do
dnet_cmd $(inst_id2port 1) container create mh2_${i}
net_connect 1 mh2_${i} multihost2
done
# Now test connectivity between all the containers using service names
for i in `seq ${start} ${end}`;
do
for j in `seq ${start} ${end}`;
do
if [ "$i" -eq "$j" ]; then
continue
fi
# Find the IP addresses of the j containers on both networks
hrun runc $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh1_${i}) "nslookup mh1_$j"
mh1_j_ip=$(echo ${output} | awk '{print $11}')
hrun runc $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh2_${i}) "nslookup mh2_$j"
mh2_j_ip=$(echo ${output} | awk '{print $11}')
# Ping the j containers in the same network and ensure they are successful
runc $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh1_${i}) \
"ping -c 1 mh1_$j"
runc $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh2_${i}) \
"ping -c 1 mh2_$j"
# Try pinging j container IPs from the container in the other network and make sure that they are not successful
runc_nofail $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh1_${i}) "ping -c 1 ${mh2_j_ip}"
[ "${status}" -ne 0 ]
runc_nofail $(dnet_container_name 1 $dnet_suffix) $(get_sbox_id 1 mh2_${i}) "ping -c 1 ${mh1_j_ip}"
[ "${status}" -ne 0 ]
# Try pinging the j container IPS from the host(dnet container in this case) and make syre that they are not successful
hrun docker exec -it $(dnet_container_name 1 $dnet_suffix) "ping -c 1 ${mh1_j_ip}"
[ "${status}" -ne 0 ]
hrun docker exec -it $(dnet_container_name 1 $dnet_suffix) "ping -c 1 ${mh2_j_ip}"
[ "${status}" -ne 0 ]
done
done
# Teardown the container connections and the network
for i in `seq ${start} ${end}`;
do
net_disconnect 1 mh1_${i} multihost1
dnet_cmd $(inst_id2port 1) container rm mh1_${i}
done
for i in `seq ${start} ${end}`;
do
net_disconnect 1 mh2_${i} multihost2
dnet_cmd $(inst_id2port 1) container rm mh2_${i}
done
dnet_cmd $(inst_id2port 1) network rm multihost1
dnet_cmd $(inst_id2port 1) network rm multihost2
}