mirror of
https://github.com/containers/podman
synced 2024-10-20 17:23:30 +00:00
391 lines
14 KiB
Bash
391 lines
14 KiB
Bash
#!/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 -t 0 -a
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run_podman rm -f -t 0 -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" =~ /podman-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 - basic tests" {
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run_podman pod list --noheading
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is "$output" "" "baseline: empty results from list --noheading"
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run_podman pod ls --noheading
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is "$output" "" "baseline: empty results from ls --noheading"
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run_podman pod ps --noheading
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is "$output" "" "baseline: empty results from ps --noheading"
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}
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@test "podman pod top - containers in different PID namespaces" {
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# With infra=false, we don't get a /pause container
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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 --noout pod rm -f -t 0 $podid
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is "$output" "" "output should be empty"
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}
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@test "podman pod create - custom infra image" {
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skip_if_remote "CONTAINERS_CONF only effects server side"
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image="i.do/not/exist:image"
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tmpdir=$PODMAN_TMPDIR/pod-test
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run mkdir -p $tmpdir
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containersconf=$tmpdir/containers.conf
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cat >$containersconf <<EOF
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[engine]
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infra_image="$image"
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EOF
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run_podman 125 pod create --infra-image $image
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is "$output" ".*initializing source docker://$image:.*"
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CONTAINERS_CONF=$containersconf run_podman 125 pod create
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is "$output" ".*initializing source docker://$image:.*"
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CONTAINERS_CONF=$containersconf run_podman 125 create --pod new:test $IMAGE
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is "$output" ".*initializing source docker://$image:.*"
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}
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@test "podman pod - communicating between pods" {
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podname=pod$(random_string)
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run_podman 1 pod exists $podname
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run_podman pod create --infra=true --name=$podname
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podid="$output"
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run_podman pod exists $podname
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run_podman pod exists $podid
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# (Assert that output is formatted, not a one-line blob: #8021)
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run_podman pod inspect $podname
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if [[ "${#lines[*]}" -lt 10 ]]; then
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die "Output from 'pod inspect' is only ${#lines[*]} lines; see #8011"
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fi
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# Randomly-assigned port in the 5xxx range
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port=$(random_free_port)
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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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# (While we're here, test the 'Pod' field of 'podman ps'. Expect two ctrs)
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run_podman ps --format '{{.Pod}}'
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newline="
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"
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is "$output" "${podid:0:12}${newline}${podid:0:12}" "ps shows 2 pod IDs"
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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 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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# Pod no longer exists
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run_podman 1 pod exists $podid
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run_podman 1 pod exists $podname
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}
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@test "podman pod - communicating via /dev/shm " {
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podname=pod$(random_string)
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run_podman 1 pod exists $podname
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run_podman pod create --infra=true --name=$podname
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podid="$output"
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run_podman pod exists $podname
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run_podman pod exists $podid
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run_podman run --rm --pod $podname $IMAGE touch /dev/shm/test1
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run_podman run --rm --pod $podname $IMAGE ls /dev/shm/test1
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is "$output" "/dev/shm/test1"
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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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# Pod no longer exists
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run_podman 1 pod exists $podid
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run_podman 1 pod exists $podname
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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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labelname=$(random_string 11)
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labelvalue=$(random_string 22)
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pod_id_file=${PODMAN_TMPDIR}/pod-id-file
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# Randomly-assigned ports in the 5xxx and 6xxx range
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port_in=$(random_free_port 5000-5999)
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port_out=$(random_free_port 6000-6999)
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# Create a pod with all the desired options
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# FIXME: --ip=$ip fails:
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# Error adding network: failed to allocate all requested IPs
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local mac_option="--mac-address=$mac"
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# Create a custom image so we can test --infra-image and -command.
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# It will have a randomly generated infra command, using the
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# existing 'pause' script in our testimage. We assign a bogus
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# entrypoint to confirm that --infra-command will override.
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local infra_image="infra_$(random_string 10 | tr A-Z a-z)"
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local infra_command="/pause_$(random_string 10)"
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local infra_name="infra_container_$(random_string 10 | tr A-Z a-z)"
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run_podman build -t $infra_image - << EOF
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FROM $IMAGE
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RUN ln /home/podman/pause $infra_command
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ENTRYPOINT ["/original-entrypoint-should-be-overridden"]
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EOF
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if is_rootless; then
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mac_option=
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fi
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run_podman pod create --name=mypod \
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--pod-id-file=$pod_id_file \
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$mac_option \
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--hostname=$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 "$dns_opt" \
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--publish "$port_out:$port_in" \
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--label "${labelname}=${labelvalue}" \
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--infra-image "$infra_image" \
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--infra-command "$infra_command" \
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--infra-name "$infra_name"
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pod_id="$output"
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# Check --pod-id-file
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is "$(<$pod_id_file)" "$pod_id" "contents of pod-id-file"
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# Get ID of infra container
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run_podman pod inspect --format '{{(index .Containers 0).ID}}' mypod
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local infra_cid="$output"
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# confirm that entrypoint is what we set
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run_podman container inspect --format '{{.Config.Entrypoint}}' $infra_cid
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is "$output" "$infra_command" "infra-command took effect"
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# confirm that infra container name is set
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run_podman container inspect --format '{{.Name}}' $infra_cid
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is "$output" "$infra_name" "infra-name took effect"
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# Check each of the options
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if [ -n "$mac_option" ]; 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 125 run --rm --pod mypod --hostname foobar $IMAGE hostname
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is "$output" ".*invalid config provided: cannot set hostname when joining the pod UTS namespace: invalid configuration" "--hostname should not be allowed in share UTS pod"
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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 $dns_opt" "--dns-opt was added"
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# pod inspect
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run_podman pod inspect --format '{{.Name}}: {{.ID}} : {{.NumContainers}} : {{.Labels}}' mypod
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is "$output" "mypod: $pod_id : 1 : map\[${labelname}:${labelvalue}]" \
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"pod inspect --format ..."
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# pod ps
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run_podman pod ps --format '{{.ID}} {{.Name}} {{.Status}} {{.Labels}}'
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is "$output" "${pod_id:0:12} mypod Running map\[${labelname}:${labelvalue}]" "pod ps"
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run_podman pod ps --no-trunc --filter "label=${labelname}=${labelvalue}" --format '{{.ID}}'
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is "$output" "$pod_id" "pod ps --filter label=..."
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# Test local port forwarding, as well as 'ps' output showing ports
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# Run 'nc' in a container, waiting for input on the published port.
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c_name=$(random_string 15)
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run_podman run -d --pod mypod --name $c_name $IMAGE nc -l -p $port_in
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cid="$output"
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# Try running another container also listening on the same port.
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run_podman 1 run --pod mypod --name dsfsdfsdf $IMAGE nc -l -p $port_in
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is "$output" "nc: bind: Address in use" \
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"two containers cannot bind to same port"
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# make sure we can ping; failure here might mean that capabilities are wrong
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run_podman run --rm --pod mypod $IMAGE ping -c1 127.0.0.1
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run_podman run --rm --pod mypod $IMAGE ping -c1 $hostname
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# While the container is still running, run 'podman ps' (no --format)
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# and confirm that the output includes the published port
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run_podman ps --filter id=$cid
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is "${lines[1]}" "${cid:0:12} $IMAGE nc -l -p $port_in .* 0.0.0.0:$port_out->$port_in/tcp $c_name" \
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"output of 'podman ps'"
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# send a random string to the container. This will cause the container
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# to output the string to its logs, then exit.
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teststring=$(random_string 30)
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echo "$teststring" | nc 127.0.0.1 $port_out
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# Confirm that the container log output is the string we sent it.
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run_podman logs $cid
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is "$output" "$teststring" "test string received on container"
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# Finally, confirm the infra-container and -command. We run this late,
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# not at pod creation, to give the infra container time to start & log.
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run_podman logs $infra_cid
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is "$output" "Confirmed: testimage pause invoked as $infra_command" \
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"pod ran with our desired infra container + command"
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# Clean up
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run_podman rm $cid
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run_podman pod rm -t 0 -f mypod
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run_podman rmi $infra_image
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}
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@test "podman pod create should fail when infra-name is already in use" {
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local infra_name="infra_container_$(random_string 10 | tr A-Z a-z)"
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local pod_name="$(random_string 10 | tr A-Z a-z)"
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run_podman --noout pod create --name $pod_name --infra-name "$infra_name" --infra-image "k8s.gcr.io/pause:3.5"
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is "$output" "" "output should be empty"
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run_podman '?' pod create --infra-name "$infra_name"
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if [ $status -eq 0 ]; then
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die "Podman should fail when user try to create two pods with the same infra-name value"
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fi
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run_podman pod rm -f $pod_name
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run_podman images -a
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}
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@test "podman pod create --share" {
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local pod_name="$(random_string 10 | tr A-Z a-z)"
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run_podman 125 pod create --share bogus --name $pod_name
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is "$output" ".*Invalid kernel namespace to share: bogus. Options are: cgroup, ipc, net, pid, uts or none" \
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"pod test for bogus --share option"
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run_podman pod create --share cgroup,ipc --name $pod_name
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run_podman run --rm --pod $pod_name --hostname foobar $IMAGE hostname
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is "$output" "foobar" "--hostname should work with non share UTS namespace"
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}
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@test "podman pod create --pod new:$POD --hostname" {
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local pod_name="$(random_string 10 | tr A-Z a-z)"
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run_podman run --rm --pod "new:$pod_name" --hostname foobar $IMAGE hostname
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is "$output" "foobar" "--hostname should work when creating a new:pod"
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run_podman pod rm $pod_name
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run_podman run --rm --pod "new:$pod_name" $IMAGE hostname
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is "$output" "$pod_name" "new:POD should have hostname name set to podname"
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}
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@test "podman rm --force to remove infra container" {
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local pod_name="$(random_string 10 | tr A-Z a-z)"
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run_podman create --pod "new:$pod_name" $IMAGE
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container_ID="$output"
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run_podman pod inspect --format "{{.InfraContainerID}}" $pod_name
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infra_ID="$output"
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run_podman 125 container rm $infra_ID
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is "$output" ".* and cannot be removed without removing the pod"
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run_podman 125 container rm --force $infra_ID
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is "$output" ".* and cannot be removed without removing the pod"
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run_podman container rm --depend $infra_ID
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is "$output" ".*$infra_ID.*"
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is "$output" ".*$container_ID.*"
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# Now make sure that --force --all works as well
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run_podman create --pod "new:$pod_name" $IMAGE
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container_1_ID="$output"
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run_podman create --pod "$pod_name" $IMAGE
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container_2_ID="$output"
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run_podman create $IMAGE
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container_3_ID="$output"
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run_podman pod inspect --format "{{.InfraContainerID}}" $pod_name
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infra_ID="$output"
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run_podman container rm --force --all $infraID
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is "$output" ".*$infra_ID.*"
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is "$output" ".*$container_1_ID.*"
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is "$output" ".*$container_2_ID.*"
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is "$output" ".*$container_3_ID.*"
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}
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# vim: filetype=sh
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