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Merge pull request #6295 from edsantiago/bats_pod
system tests: more podman-pod tests
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#!/usr/bin/env bats
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load helpers
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@test "podman pod top - containers in different PID namespaces" {
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skip_if_remote "podman-pod does not work with podman-remote"
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# With infra=false, we don't get a /pause container (we also
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# don't pull k8s.gcr.io/pause )
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no_infra='--infra=false'
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run_podman pod create $no_infra
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podid="$output"
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# Start two containers...
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run_podman run -d --pod $podid $IMAGE top -d 2
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cid1="$output"
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run_podman run -d --pod $podid $IMAGE top -d 2
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cid2="$output"
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# ...and wait for them to actually start.
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wait_for_output "PID \+PPID \+USER " $cid1
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wait_for_output "PID \+PPID \+USER " $cid2
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# Both containers have emitted at least one top-like line.
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# Now run 'pod top', and expect two 'top -d 2' processes running.
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run_podman pod top $podid
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is "$output" ".*root.*top -d 2.*root.*top -d 2" "two 'top' containers"
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# By default (podman pod create w/ default --infra) there should be
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# a /pause container.
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if [ -z "$no_infra" ]; then
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is "$output" ".*0 \+1 \+0 \+[0-9. ?s]\+/pause" "there is a /pause container"
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fi
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# Clean up
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run_podman pod rm -f $podid
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}
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# vim: filetype=sh
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174
test/system/200-pod.bats
Normal file
174
test/system/200-pod.bats
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#!/usr/bin/env bats
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load helpers
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# This is a long ugly way to clean up pods and remove the pause image
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function teardown() {
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run_podman pod rm -f -a
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run_podman rm -f -a
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run_podman image list --format '{{.ID}} {{.Repository}}'
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while read id name; do
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if [[ "$name" =~ /pause ]]; then
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run_podman rmi $id
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fi
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done <<<"$output"
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basic_teardown
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}
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@test "podman pod top - containers in different PID namespaces" {
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skip_if_remote "podman-pod does not work with podman-remote"
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# With infra=false, we don't get a /pause container (we also
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# don't pull k8s.gcr.io/pause )
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no_infra='--infra=false'
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run_podman pod create $no_infra
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podid="$output"
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# Start two containers...
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run_podman run -d --pod $podid $IMAGE top -d 2
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cid1="$output"
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run_podman run -d --pod $podid $IMAGE top -d 2
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cid2="$output"
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# ...and wait for them to actually start.
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wait_for_output "PID \+PPID \+USER " $cid1
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wait_for_output "PID \+PPID \+USER " $cid2
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# Both containers have emitted at least one top-like line.
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# Now run 'pod top', and expect two 'top -d 2' processes running.
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run_podman pod top $podid
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is "$output" ".*root.*top -d 2.*root.*top -d 2" "two 'top' containers"
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# By default (podman pod create w/ default --infra) there should be
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# a /pause container.
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if [ -z "$no_infra" ]; then
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is "$output" ".*0 \+1 \+0 \+[0-9. ?s]\+/pause" "there is a /pause container"
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fi
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# Clean up
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run_podman pod rm -f $podid
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}
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@test "podman pod - communicating between pods" {
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skip_if_remote "podman-pod does not work with podman-remote"
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podname=pod$(random_string)
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run_podman pod create --infra=true --name=$podname
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# Randomly-assigned port in the 5xxx range
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for port in $(shuf -i 5000-5999);do
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if ! { exec 3<> /dev/tcp/127.0.0.1/$port; } &>/dev/null; then
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break
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fi
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done
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# Listener. This will exit as soon as it receives a message.
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run_podman run -d --pod $podname $IMAGE nc -l -p $port
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cid1="$output"
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# Talker: send the message via common port on localhost
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message=$(random_string 15)
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run_podman run --rm --pod $podname $IMAGE \
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sh -c "echo $message | nc 127.0.0.1 $port"
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# Back to the first (listener) container. Make sure message was received.
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run_podman logs $cid1
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is "$output" "$message" "message sent from one container to another"
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# Clean up. First the nc -l container...
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run_podman rm $cid1
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# ...then, from pause container, find the image ID of the pause image...
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# FIXME: if #6283 gets implemented, use 'inspect --format ...'
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run_podman pod inspect $podname
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pause_cid=$(jq -r '.Containers[0].Id' <<<"$output")
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run_podman container inspect --format '{{.Image}}' $pause_cid
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pause_iid="$output"
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# ...then rm the pod, then rmi the pause image so we don't leave strays.
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run_podman pod rm $podname
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run_podman rmi $pause_iid
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}
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# Random byte
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function octet() {
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echo $(( $RANDOM & 255 ))
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}
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# random MAC address: convention seems to be that 2nd lsb=1, lsb=0
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# (i.e. 0bxxxxxx10) in the first octet guarantees a private space.
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# FIXME: I can't find a definitive reference for this though
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# Generate the address IN CAPS (A-F), but we will test it in lowercase.
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function random_mac() {
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local mac=$(printf "%02X" $(( $(octet) & 242 | 2 )) )
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for i in $(seq 2 6); do
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mac+=$(printf ":%02X" $(octet))
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done
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echo $mac
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}
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# Random RFC1918 IP address
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function random_ip() {
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local ip="172.20"
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for i in 1 2;do
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ip+=$(printf ".%d" $(octet))
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done
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echo $ip
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}
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@test "podman pod create - hashtag AllTheOptions" {
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mac=$(random_mac)
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add_host_ip=$(random_ip)
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add_host_n=$(random_string | tr A-Z a-z).$(random_string | tr A-Z a-z).xyz
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dns_server=$(random_ip)
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dns_opt="ndots:$(octet)"
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dns_search=$(random_string 15 | tr A-Z a-z).abc
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hostname=$(random_string | tr A-Z a-z).$(random_string | tr A-Z a-z).net
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pod_id_file=${PODMAN_TMPDIR}/pod-id-file
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# Create a pod with all the desired options
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# FIXME: --ip=$ip fails:
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# Error adding network: failed to allocate all requested IPs
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run_podman pod create --name=mypod \
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--pod-id-file=$pod_id_file \
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--mac-address=$mac \
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--hostname=$hostname \
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--add-host "$add_host_n:$add_host_ip" \
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--dns "$dns_server" \
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--dns-search "$dns_search" \
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--dns-opt "$dns_opt"
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pod_id="$output"
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# Check --pod-id-file
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# FIXME: broken in master; reenable once #6292 is fixed
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#is "$(<$pod_id_file)" "$pod_id" "contents of pod-id-file"
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# Check each of the options
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if ! is_rootless; then
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run_podman run --rm --pod mypod $IMAGE ip link show
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# 'ip' outputs hex in lower-case, ${expr,,} converts UC to lc
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is "$output" ".* link/ether ${mac,,} " "requested MAC address was set"
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fi
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run_podman run --rm --pod mypod $IMAGE hostname
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is "$output" "$hostname" "--hostname set the hostname"
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run_podman run --rm --pod $pod_id $IMAGE cat /etc/hosts
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is "$output" ".*$add_host_ip $add_host_n" "--add-host was added"
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is "$output" ".* $hostname" "--hostname is in /etc/hosts"
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# ^^^^ this must be a tab, not a space
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run_podman run --rm --pod mypod $IMAGE cat /etc/resolv.conf
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is "$output" ".*nameserver $dns_server" "--dns [server] was added"
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is "$output" ".*search $dns_search" "--dns-search was added"
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is "$output" ".*options $dns_opt" "--dns-opt was added"
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}
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# vim: filetype=sh
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