316 lines
11 KiB
Bash
316 lines
11 KiB
Bash
#!/usr/bin/env bats
|
|
|
|
load helpers
|
|
|
|
# This is a long ugly way to clean up pods and remove the pause image
|
|
function teardown() {
|
|
run_podman pod rm -f -a
|
|
run_podman rm -f -a
|
|
run_podman image list --format '{{.ID}} {{.Repository}}'
|
|
while read id name; do
|
|
if [[ "$name" =~ /pause ]]; then
|
|
run_podman rmi $id
|
|
fi
|
|
done <<<"$output"
|
|
|
|
basic_teardown
|
|
}
|
|
|
|
|
|
@test "podman pod - basic tests" {
|
|
run_podman pod list --noheading
|
|
is "$output" "" "baseline: empty results from list --noheading"
|
|
|
|
run_podman pod ls --noheading
|
|
is "$output" "" "baseline: empty results from ls --noheading"
|
|
|
|
run_podman pod ps --noheading
|
|
is "$output" "" "baseline: empty results from ps --noheading"
|
|
}
|
|
|
|
@test "podman pod top - containers in different PID namespaces" {
|
|
# With infra=false, we don't get a /pause container (we also
|
|
# don't pull k8s.gcr.io/pause )
|
|
no_infra='--infra=false'
|
|
run_podman pod create $no_infra
|
|
podid="$output"
|
|
|
|
# Start two containers...
|
|
run_podman run -d --pod $podid $IMAGE top -d 2
|
|
cid1="$output"
|
|
run_podman run -d --pod $podid $IMAGE top -d 2
|
|
cid2="$output"
|
|
|
|
# ...and wait for them to actually start.
|
|
wait_for_output "PID \+PPID \+USER " $cid1
|
|
wait_for_output "PID \+PPID \+USER " $cid2
|
|
|
|
# Both containers have emitted at least one top-like line.
|
|
# Now run 'pod top', and expect two 'top -d 2' processes running.
|
|
run_podman pod top $podid
|
|
is "$output" ".*root.*top -d 2.*root.*top -d 2" "two 'top' containers"
|
|
|
|
# By default (podman pod create w/ default --infra) there should be
|
|
# a /pause container.
|
|
if [ -z "$no_infra" ]; then
|
|
is "$output" ".*0 \+1 \+0 \+[0-9. ?s]\+/pause" "there is a /pause container"
|
|
fi
|
|
|
|
# Clean up
|
|
run_podman pod rm -f $podid
|
|
}
|
|
|
|
|
|
@test "podman pod - communicating between pods" {
|
|
podname=pod$(random_string)
|
|
run_podman 1 pod exists $podname
|
|
run_podman pod create --infra=true --name=$podname
|
|
podid="$output"
|
|
run_podman pod exists $podname
|
|
run_podman pod exists $podid
|
|
|
|
# (Assert that output is formatted, not a one-line blob: #8021)
|
|
run_podman pod inspect $podname
|
|
if [[ "${#lines[*]}" -lt 10 ]]; then
|
|
die "Output from 'pod inspect' is only ${#lines[*]} lines; see #8011"
|
|
fi
|
|
|
|
# Randomly-assigned port in the 5xxx range
|
|
for port in $(shuf -i 5000-5999);do
|
|
if ! { exec 3<> /dev/tcp/127.0.0.1/$port; } &>/dev/null; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
# Listener. This will exit as soon as it receives a message.
|
|
run_podman run -d --pod $podname $IMAGE nc -l -p $port
|
|
cid1="$output"
|
|
|
|
# (While we're here, test the 'Pod' field of 'podman ps'. Expect two ctrs)
|
|
run_podman ps --format '{{.Pod}}'
|
|
newline="
|
|
"
|
|
is "$output" "${podid:0:12}${newline}${podid:0:12}" "ps shows 2 pod IDs"
|
|
|
|
# Talker: send the message via common port on localhost
|
|
message=$(random_string 15)
|
|
run_podman run --rm --pod $podname $IMAGE \
|
|
sh -c "echo $message | nc 127.0.0.1 $port"
|
|
|
|
# Back to the first (listener) container. Make sure message was received.
|
|
run_podman logs $cid1
|
|
is "$output" "$message" "message sent from one container to another"
|
|
|
|
# Clean up. First the nc -l container...
|
|
run_podman rm $cid1
|
|
|
|
# ...then, from pause container, find the image ID of the pause image...
|
|
run_podman pod inspect --format '{{(index .Containers 0).ID}}' $podname
|
|
pause_cid="$output"
|
|
run_podman container inspect --format '{{.Image}}' $pause_cid
|
|
pause_iid="$output"
|
|
|
|
# ...then rm the pod, then rmi the pause image so we don't leave strays.
|
|
run_podman pod rm $podname
|
|
run_podman rmi $pause_iid
|
|
|
|
# Pod no longer exists
|
|
run_podman 1 pod exists $podid
|
|
run_podman 1 pod exists $podname
|
|
}
|
|
|
|
@test "podman pod - communicating via /dev/shm " {
|
|
podname=pod$(random_string)
|
|
run_podman 1 pod exists $podname
|
|
run_podman pod create --infra=true --name=$podname
|
|
podid="$output"
|
|
run_podman pod exists $podname
|
|
run_podman pod exists $podid
|
|
|
|
run_podman run --rm --pod $podname $IMAGE touch /dev/shm/test1
|
|
run_podman run --rm --pod $podname $IMAGE ls /dev/shm/test1
|
|
is "$output" "/dev/shm/test1"
|
|
|
|
# ...then rm the pod, then rmi the pause image so we don't leave strays.
|
|
run_podman pod rm $podname
|
|
|
|
# Pod no longer exists
|
|
run_podman 1 pod exists $podid
|
|
run_podman 1 pod exists $podname
|
|
}
|
|
|
|
# Random byte
|
|
function octet() {
|
|
echo $(( $RANDOM & 255 ))
|
|
}
|
|
|
|
# random MAC address: convention seems to be that 2nd lsb=1, lsb=0
|
|
# (i.e. 0bxxxxxx10) in the first octet guarantees a private space.
|
|
# FIXME: I can't find a definitive reference for this though
|
|
# Generate the address IN CAPS (A-F), but we will test it in lowercase.
|
|
function random_mac() {
|
|
local mac=$(printf "%02X" $(( $(octet) & 242 | 2 )) )
|
|
for i in $(seq 2 6); do
|
|
mac+=$(printf ":%02X" $(octet))
|
|
done
|
|
|
|
echo $mac
|
|
}
|
|
|
|
# Random RFC1918 IP address
|
|
function random_ip() {
|
|
local ip="172.20"
|
|
for i in 1 2;do
|
|
ip+=$(printf ".%d" $(octet))
|
|
done
|
|
echo $ip
|
|
}
|
|
|
|
@test "podman pod create - hashtag AllTheOptions" {
|
|
mac=$(random_mac)
|
|
add_host_ip=$(random_ip)
|
|
add_host_n=$(random_string | tr A-Z a-z).$(random_string | tr A-Z a-z).xyz
|
|
|
|
dns_server=$(random_ip)
|
|
dns_opt="ndots:$(octet)"
|
|
dns_search=$(random_string 15 | tr A-Z a-z).abc
|
|
|
|
hostname=$(random_string | tr A-Z a-z).$(random_string | tr A-Z a-z).net
|
|
|
|
labelname=$(random_string 11)
|
|
labelvalue=$(random_string 22)
|
|
|
|
pod_id_file=${PODMAN_TMPDIR}/pod-id-file
|
|
|
|
# Randomly-assigned ports in the 5xxx and 6xxx range
|
|
for port_in in $(shuf -i 5000-5999);do
|
|
if ! { exec 3<> /dev/tcp/127.0.0.1/$port_in; } &>/dev/null; then
|
|
break
|
|
fi
|
|
done
|
|
for port_out in $(shuf -i 6000-6999);do
|
|
if ! { exec 3<> /dev/tcp/127.0.0.1/$port_out; } &>/dev/null; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
# Create a pod with all the desired options
|
|
# FIXME: --ip=$ip fails:
|
|
# Error adding network: failed to allocate all requested IPs
|
|
local mac_option="--mac-address=$mac"
|
|
|
|
# Create a custom image so we can test --infra-image and -command.
|
|
# It will have a randomly generated infra command, using the
|
|
# existing 'pause' script in our testimage. We assign a bogus
|
|
# entrypoint to confirm that --infra-command will override.
|
|
local infra_image="infra_$(random_string 10 | tr A-Z a-z)"
|
|
local infra_command="/pause_$(random_string 10)"
|
|
run_podman build -t $infra_image - << EOF
|
|
FROM $IMAGE
|
|
RUN ln /home/podman/pause $infra_command
|
|
ENTRYPOINT ["/original-entrypoint-should-be-overridden"]
|
|
EOF
|
|
|
|
if is_rootless; then
|
|
mac_option=
|
|
fi
|
|
run_podman pod create --name=mypod \
|
|
--pod-id-file=$pod_id_file \
|
|
$mac_option \
|
|
--hostname=$hostname \
|
|
--add-host "$add_host_n:$add_host_ip" \
|
|
--dns "$dns_server" \
|
|
--dns-search "$dns_search" \
|
|
--dns-opt "$dns_opt" \
|
|
--publish "$port_out:$port_in" \
|
|
--label "${labelname}=${labelvalue}" \
|
|
--infra-image "$infra_image" \
|
|
--infra-command "$infra_command"
|
|
pod_id="$output"
|
|
|
|
# Check --pod-id-file
|
|
is "$(<$pod_id_file)" "$pod_id" "contents of pod-id-file"
|
|
|
|
# Get ID of infra container
|
|
run_podman pod inspect --format '{{(index .Containers 0).ID}}' mypod
|
|
local infra_cid="$output"
|
|
# confirm that entrypoint is what we set
|
|
run_podman container inspect --format '{{.Config.Entrypoint}}' $infra_cid
|
|
is "$output" "$infra_command" "infra-command took effect"
|
|
|
|
# Check each of the options
|
|
if [ -n "$mac_option" ]; then
|
|
run_podman run --rm --pod mypod $IMAGE ip link show
|
|
# 'ip' outputs hex in lower-case, ${expr,,} converts UC to lc
|
|
is "$output" ".* link/ether ${mac,,} " "requested MAC address was set"
|
|
fi
|
|
|
|
run_podman run --rm --pod mypod $IMAGE hostname
|
|
is "$output" "$hostname" "--hostname set the hostname"
|
|
|
|
run_podman run --rm --pod $pod_id $IMAGE cat /etc/hosts
|
|
is "$output" ".*$add_host_ip $add_host_n" "--add-host was added"
|
|
is "$output" ".* $hostname" "--hostname is in /etc/hosts"
|
|
# ^^^^ this must be a tab, not a space
|
|
|
|
run_podman run --rm --pod mypod $IMAGE cat /etc/resolv.conf
|
|
is "$output" ".*nameserver $dns_server" "--dns [server] was added"
|
|
is "$output" ".*search $dns_search" "--dns-search was added"
|
|
is "$output" ".*options $dns_opt" "--dns-opt was added"
|
|
|
|
# pod inspect
|
|
run_podman pod inspect --format '{{.Name}}: {{.ID}} : {{.NumContainers}} : {{.Labels}}' mypod
|
|
is "$output" "mypod: $pod_id : 1 : map\[${labelname}:${labelvalue}]" \
|
|
"pod inspect --format ..."
|
|
|
|
# pod ps
|
|
run_podman pod ps --format '{{.ID}} {{.Name}} {{.Status}} {{.Labels}}'
|
|
is "$output" "${pod_id:0:12} mypod Running map\[${labelname}:${labelvalue}]" "pod ps"
|
|
|
|
run_podman pod ps --no-trunc --filter "label=${labelname}=${labelvalue}" --format '{{.ID}}'
|
|
is "$output" "$pod_id" "pod ps --filter label=..."
|
|
|
|
# Test local port forwarding, as well as 'ps' output showing ports
|
|
# Run 'nc' in a container, waiting for input on the published port.
|
|
c_name=$(random_string 15)
|
|
run_podman run -d --pod mypod --name $c_name $IMAGE nc -l -p $port_in
|
|
cid="$output"
|
|
|
|
# Try running another container also listening on the same port.
|
|
run_podman 1 run --pod mypod --name dsfsdfsdf $IMAGE nc -l -p $port_in
|
|
is "$output" "nc: bind: Address in use" \
|
|
"two containers cannot bind to same port"
|
|
|
|
# make sure we can ping; failure here might mean that capabilities are wrong
|
|
run_podman run --rm --pod mypod $IMAGE ping -c1 127.0.0.1
|
|
run_podman run --rm --pod mypod $IMAGE ping -c1 $hostname
|
|
|
|
# While the container is still running, run 'podman ps' (no --format)
|
|
# and confirm that the output includes the published port
|
|
run_podman ps --filter id=$cid
|
|
is "${lines[1]}" "${cid:0:12} $IMAGE nc -l -p $port_in .* 0.0.0.0:$port_out->$port_in/tcp $c_name" \
|
|
"output of 'podman ps'"
|
|
|
|
# send a random string to the container. This will cause the container
|
|
# to output the string to its logs, then exit.
|
|
teststring=$(random_string 30)
|
|
echo "$teststring" | nc 127.0.0.1 $port_out
|
|
|
|
# Confirm that the container log output is the string we sent it.
|
|
run_podman logs $cid
|
|
is "$output" "$teststring" "test string received on container"
|
|
|
|
# Finally, confirm the infra-container and -command. We run this late,
|
|
# not at pod creation, to give the infra container time to start & log.
|
|
run_podman logs $infra_cid
|
|
is "$output" "Confirmed: testimage pause invoked as $infra_command" \
|
|
"pod ran with our desired infra container + command"
|
|
|
|
# Clean up
|
|
run_podman rm $cid
|
|
run_podman pod rm -f mypod
|
|
run_podman rmi $infra_image
|
|
}
|
|
|
|
# vim: filetype=sh
|