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https://github.com/containers/podman
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podman upgrade tests for networking
Test basic networking functionality in the upgrade tests. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
This commit is contained in:
Paul Holzinger
parent
26c8549ae3
commit
4d9dcab0cf
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@ -9,3 +9,11 @@ setup() {
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teardown() {
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:
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}
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# skip a test when the given version is older than the currently tested one
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skip_if_version_older() {
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# use ${PODMAN_UPGRADE_FROM##v} to trim the leading "v"
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if printf '%s\n%s\n' "${PODMAN_UPGRADE_FROM##v}" "$1" | sort --check=quiet --version-sort; then
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skip "${2-test is only meaningful when upgrading from $1 or later}"
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fi
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}
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@ -21,9 +21,7 @@ if [ -z "${RANDOM_STRING_1}" ]; then
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export LABEL_CREATED=$(random_string 16)
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export LABEL_FAILED=$(random_string 17)
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export LABEL_RUNNING=$(random_string 18)
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# FIXME: randomize this
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HOST_PORT=34567
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export HOST_PORT=$(random_free_port)
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fi
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# Version string of the podman we're actually testing, e.g. '3.0.0-dev-d1a26013'
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@ -44,7 +42,8 @@ setup() {
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false
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fi
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export _PODMAN_TEST_OPTS="--root=$PODMAN_UPGRADE_WORKDIR/root --runroot=$PODMAN_UPGRADE_WORKDIR/runroot --tmpdir=$PODMAN_UPGRADE_WORKDIR/tmp"
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# cgroup-manager=systemd does not work inside a container
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export _PODMAN_TEST_OPTS="--cgroup-manager=cgroupfs --root=$PODMAN_UPGRADE_WORKDIR/root --runroot=$PODMAN_UPGRADE_WORKDIR/runroot --tmpdir=$PODMAN_UPGRADE_WORKDIR/tmp"
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}
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###############################################################################
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@ -76,8 +75,8 @@ setup() {
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cat >| $pmscript <<EOF
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#!/bin/bash
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# cgroup-manager=systemd does not work inside a container
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opts="--cgroup-manager=cgroupfs --events-backend=file $_PODMAN_TEST_OPTS"
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# events-backend=journald does not work inside a container
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opts="--events-backend=file $_PODMAN_TEST_OPTS"
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set -ex
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@ -95,22 +94,17 @@ podman \$opts run --name mydonecontainer $IMAGE echo ++$RANDOM_STRING_1++
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podman \$opts run --name myfailedcontainer --label mylabel=$LABEL_FAILED \
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$IMAGE sh -c 'exit 17' || true
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# FIXME: add "-p $HOST_PORT:80"
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# ...I tried and tried, and could not get this to work. I could never
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# connect to the port from the host, nor even from the podman_parent
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# container; I could never see the port listed in 'ps' nor 'inspect'.
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# And, finally, I ended up in a state where the container wouldn't
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# even start, and via complicated 'podman logs' found out:
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# httpd: bind: Address in use
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# So I just give up for now.
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#
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podman \$opts run -d --name myrunningcontainer --label mylabel=$LABEL_RUNNING \
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--network bridge \
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-p $HOST_PORT:80 \
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-v $pmroot/var/www:/var/www \
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-w /var/www \
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$IMAGE /bin/busybox-extras httpd -f -p 80
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podman \$opts pod create --name mypod
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podman \$opts network create mynetwork
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echo READY
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while :;do
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if [ -e /stop ]; then
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@ -140,6 +134,7 @@ EOF
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#
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# mount /etc/containers/storage.conf to use the same storage settings as on the host
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# mount /dev/shm because the container locks are stored there
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# mount /var/lib/cni and /etc/cni/net.d for cni networking
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#
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$PODMAN run -d --name podman_parent --pid=host \
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--privileged \
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@ -149,6 +144,9 @@ EOF
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-v /etc/containers/storage.conf:/etc/containers/storage.conf \
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-v /dev/fuse:/dev/fuse \
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-v /run/crun:/run/crun \
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-v /run/netns:/run/netns:rshared \
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-v /var/lib/cni:/var/lib/cni \
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-v /etc/cni/net.d:/etc/cni/net.d \
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-v /dev/shm:/dev/shm \
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-v $pmroot:$pmroot \
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$OLD_PODMAN $pmroot/setup
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@ -187,7 +185,7 @@ EOF
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is "${lines[1]}" "mycreatedcontainer--Created----$LABEL_CREATED" "created"
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is "${lines[2]}" "mydonecontainer--Exited (0).*----<no value>" "done"
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is "${lines[3]}" "myfailedcontainer--Exited (17) .*----$LABEL_FAILED" "fail"
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is "${lines[4]}" "myrunningcontainer--Up .*----$LABEL_RUNNING" "running"
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is "${lines[4]}" "myrunningcontainer--Up .*--0.0.0.0:$HOST_PORT->80/tcp--$LABEL_RUNNING" "running"
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# For debugging: dump containers and IDs
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if [[ -n "$PODMAN_UPGRADE_TEST_DEBUG" ]]; then
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@ -212,6 +210,30 @@ failed | exited | 17
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done < <(parse_table "$tests")
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}
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@test "network - curl" {
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run curl --max-time 3 -s 127.0.0.1:$HOST_PORT/index.txt
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is "$output" "$RANDOM_STRING_1" "curl on running container"
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}
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# IMPORTANT: connect should happen before restart, we want to check
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# if we can connect on an existing running container
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@test "network - connect" {
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skip_if_version_older 2.2.0
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run_podman network connect mynetwork myrunningcontainer
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run_podman network disconnect podman myrunningcontainer
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run curl --max-time 3 -s 127.0.0.1:$HOST_PORT/index.txt
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is "$output" "$RANDOM_STRING_1" "curl on container with second network connected"
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}
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@test "network - restart" {
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# restart the container and check if we can still use the port
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run_podman stop -t0 myrunningcontainer
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run_podman start myrunningcontainer
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run curl --max-time 3 -s 127.0.0.1:$HOST_PORT/index.txt
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is "$output" "$RANDOM_STRING_1" "curl on restarted container"
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}
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@test "logs" {
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run_podman logs mydonecontainer
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is "$output" "++$RANDOM_STRING_1++" "podman logs on stopped container"
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@ -235,7 +257,7 @@ failed | exited | 17
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run_podman pod inspect mypod
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is "$output" ".*mypod.*"
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run_podman --cgroup-manager=cgroupfs pod start mypod
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run_podman pod start mypod
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is "$output" "[0-9a-f]\\{64\\}" "podman pod start"
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run_podman pod ps
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@ -245,7 +267,7 @@ failed | exited | 17
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run_podman pod stop mypod
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is "$output" "[0-9a-f]\\{64\\}" "podman pod stop"
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run_podman --cgroup-manager=cgroupfs pod rm mypod
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run_podman pod rm mypod
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# FIXME: CI runs show this (non fatal) error:
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# Error updating pod <ID> conmon cgroup PID limit: open /sys/fs/cgroup/libpod_parent/<ID>/conmon/pids.max: no such file or directory
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# Investigate how to fix this (likely a race condition)
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@ -257,7 +279,7 @@ failed | exited | 17
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@test "start" {
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run_podman --cgroup-manager=cgroupfs start -a mydonecontainer
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run_podman start -a mydonecontainer
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is "$output" "++$RANDOM_STRING_1++" "start on already-run container"
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}
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@ -295,6 +317,8 @@ failed | exited | 17
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run_podman logs podman_parent
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run_podman rm -f podman_parent
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run_podman network rm -f mynetwork
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umount $PODMAN_UPGRADE_WORKDIR/root/overlay || true
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rm -rf $PODMAN_UPGRADE_WORKDIR
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