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#!/usr/bin/env bats -*- bats -*-
#
# Test podman local networking
#
load helpers
# Copied from tsweeney's https://github.com/containers/podman/issues/4827
@test "podman networking: port on localhost" {
skip_if_remote "FIXME: reevaluate this one after #7360 is fixed"
random_1=$(random_string 30)
random_2=$(random_string 30)
HOST_PORT=8080
SERVER=http://127.0.0.1:$HOST_PORT
# Create a test file with random content
INDEX1=$PODMAN_TMPDIR/hello.txt
echo $random_1 > $INDEX1
# Bind-mount this file with a different name to a container running httpd
run_podman run -d --name myweb -p "$HOST_PORT:80" \
-v $INDEX1:/var/www/index.txt \
-w /var/www \
$IMAGE /bin/busybox-extras httpd -f -p 80
cid=$output
# In that container, create a second file, using exec and redirection
run_podman exec -i myweb sh -c "cat > index2.txt" <<<"$random_2"
# ...verify its contents as seen from container.
run_podman exec -i myweb cat /var/www/index2.txt
is "$output" "$random_2" "exec cat index2.txt"
# Verify http contents: curl from localhost
run curl -s $SERVER/index.txt
is "$output" "$random_1" "curl 127.0.0.1:/index.txt"
run curl -s $SERVER/index2.txt
is "$output" "$random_2" "curl 127.0.0.1:/index2.txt"
# Verify http contents: wget from a second container
run_podman run --rm --net=host $IMAGE wget -qO - $SERVER/index.txt
is "$output" "$random_1" "podman wget /index.txt"
run_podman run --rm --net=host $IMAGE wget -qO - $SERVER/index2.txt
is "$output" "$random_2" "podman wget /index2.txt"
# Tests #4889 - two-argument form of "podman ports" was broken
run_podman port myweb
is "$output" "80/tcp -> 0.0.0.0:$HOST_PORT" "port <cid>"
run_podman port myweb 80
is "$output" "0.0.0.0:$HOST_PORT" "port <cid> 80"
run_podman port myweb 80/tcp
is "$output" "0.0.0.0:$HOST_PORT" "port <cid> 80/tcp"
run_podman 125 port myweb 99/tcp
is "$output" 'Error: failed to find published port "99/tcp"'
# Clean up
run_podman stop -t 1 myweb
run_podman rm myweb
}
# Issue #5466 - port-forwarding doesn't work with this option and -d
@test "podman networking: port with --userns=keep-id" {
# FIXME: randomize port, and create second random host port
myport=54321
# Container will exit as soon as 'nc' receives input
run_podman run -d --userns=keep-id -p 127.0.0.1:$myport:$myport \
$IMAGE nc -l -p $myport
cid="$output"
# emit random string, and check it
teststring=$(random_string 30)
echo "$teststring" | nc 127.0.0.1 $myport
run_podman logs $cid
is "$output" "$teststring" "test string received on container"
# Clean up
run_podman rm $cid
}
# "network create" now works rootless, with the help of a special container
@test "podman network create" {
skip_if_remote "FIXME: pending #7808"
local mynetname=testnet-$(random_string 10)
local mysubnet=$(random_rfc1918_subnet)
run_podman network create --subnet "${mysubnet}.0/24" $mynetname
is "$output" ".*/cni/net.d/$mynetname.conflist" "output of 'network create'"
# (Assert that output is formatted, not a one-line blob: #8011)
run_podman network inspect $mynetname
if [[ "${#lines[*]}" -lt 5 ]]; then
die "Output from 'pod inspect' is only ${#lines[*]} lines; see #8011"
fi
run_podman run --rm --network $mynetname $IMAGE ip a
is "$output" ".* inet ${mysubnet}\.2/24 brd ${mysubnet}\.255 " \
"sdfsdf"
# Cannot create network with the same name
run_podman 125 network create $mynetname
is "$output" "Error: the network name $mynetname is already used" \
"Trying to create an already-existing network"
run_podman network rm $mynetname
run_podman 1 network rm $mynetname
# rootless CNI leaves behind an image pulled by SHA, hence with no tag.
# Remove it if present; we can only remove it by ID.
run_podman images --format '{{.Id}}' rootless-cni-infra
if [ -n "$output" ]; then
run_podman rmi $output
fi
}
@test "podman network reload" {
skip_if_remote "podman network reload does not have remote support"
skip_if_rootless "podman network reload does not work rootless"
random_1=$(random_string 30)
HOST_PORT=12345
SERVER=http://127.0.0.1:$HOST_PORT
# Create a test file with random content
INDEX1=$PODMAN_TMPDIR/hello.txt
echo $random_1 > $INDEX1
# Bind-mount this file with a different name to a container running httpd
run_podman run -d --name myweb -p "$HOST_PORT:80" \
-v $INDEX1:/var/www/index.txt \
-w /var/www \
$IMAGE /bin/busybox-extras httpd -f -p 80
cid=$output
run_podman inspect $cid --format "{{.NetworkSettings.IPAddress}}"
ip="$output"
run_podman inspect $cid --format "{{.NetworkSettings.MacAddress}}"
mac="$output"
# Verify http contents: curl from localhost
run curl -s $SERVER/index.txt
is "$output" "$random_1" "curl 127.0.0.1:/index.txt"
# flush the CNI iptables here
run iptables -t nat -F CNI-HOSTPORT-DNAT
# check that we cannot curl (timeout after 5 sec)
run timeout 5 curl -s $SERVER/index.txt
if [ "$status" -ne 124 ]; then
die "curl did not timeout, status code: $status"
fi
# reload the network to recreate the iptables rules
run_podman network reload $cid
is "$output" "$cid" "Output does not match container ID"
# check that we still have the same mac and ip
run_podman inspect $cid --format "{{.NetworkSettings.IPAddress}}"
is "$output" "$ip" "IP address changed after podman network reload"
run_podman inspect $cid --format "{{.NetworkSettings.MacAddress}}"
is "$output" "$mac" "MAC address changed after podman network reload"
# check that we can still curl
run curl -s $SERVER/index.txt
is "$output" "$random_1" "curl 127.0.0.1:/index.txt"
# make sure --all is working and that this
# cmd also works if the iptables still exists
run_podman network reload --all
is "$output" "$cid" "Output does not match container ID"
# check that we can still curl
run curl -s $SERVER/index.txt
is "$output" "$random_1" "curl 127.0.0.1:/index.txt"
# cleanup the container
run_podman rm -f $cid
}
# vim: filetype=sh
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