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-rw-r--r--test/system/500-networking.bats97
1 files changed, 95 insertions, 2 deletions
diff --git a/test/system/500-networking.bats b/test/system/500-networking.bats
index 108abdf23..0c3062a7e 100644
--- a/test/system/500-networking.bats
+++ b/test/system/500-networking.bats
@@ -134,14 +134,50 @@ load helpers
done
}
+@test "podman pod manages /etc/hosts correctly" {
+ local pod_name=pod-$(random_string 10)
+ local infra_name=infra-$(random_string 10)
+ local con1_name=con1-$(random_string 10)
+ local con2_name=con2-$(random_string 10)
+ run_podman pod create --name $pod_name --infra-name $infra_name
+ pid="$output"
+ run_podman run --pod $pod_name --name $con1_name $IMAGE cat /etc/hosts
+ is "$output" ".*\s$pod_name $infra_name.*" "Pod hostname in /etc/hosts"
+ is "$output" ".*127.0.0.1\s$con1_name.*" "Container1 name in /etc/hosts"
+ # get the length of the hosts file
+ old_lines=${#lines[@]}
+
+ # since the first container should be cleaned up now we should only see the
+ # new host entry and the old one should be removed (lines check)
+ run_podman run --pod $pod_name --name $con2_name $IMAGE cat /etc/hosts
+ is "$output" ".*\s$pod_name $infra_name.*" "Pod hostname in /etc/hosts"
+ is "$output" ".*127.0.0.1\s$con2_name.*" "Container2 name in /etc/hosts"
+ is "${#lines[@]}" "$old_lines" "Number of hosts lines is equal"
+
+ run_podman run --pod $pod_name $IMAGE sh -c "hostname && cat /etc/hostname"
+ is "${lines[0]}" "$pod_name" "hostname is the pod hostname"
+ is "${lines[1]}" "$pod_name" "/etc/hostname contains correct pod hostname"
+
+ run_podman pod rm $pod_name
+ is "$output" "$pid" "Only ID in output (no extra errors)"
+}
+
@test "podman run with slirp4ns assigns correct addresses to /etc/hosts" {
CIDR="$(random_rfc1918_subnet)"
IP=$(hostname -I | cut -f 1 -d " ")
local conname=con-$(random_string 10)
run_podman run --rm --network slirp4netns:cidr="${CIDR}.0/24" \
--name $conname --hostname $conname $IMAGE cat /etc/hosts
- is "$output" ".*${IP} host.containers.internal" "host.containers.internal should be the cidr+2 address"
+ is "$output" ".*${IP} host.containers.internal" "host.containers.internal should be host address"
is "$output" ".*${CIDR}.100 $conname $conname" "$conname should be the cidr+100 address"
+
+ if is_rootless; then
+ # check the slirp ip also works correct with userns
+ run_podman run --rm --userns keep-id --network slirp4netns:cidr="${CIDR}.0/24" \
+ --name $conname --hostname $conname $IMAGE cat /etc/hosts
+ is "$output" ".*${IP} host.containers.internal" "host.containers.internal should be host address"
+ is "$output" ".*${CIDR}.100 $conname $conname" "$conname should be the cidr+100 address"
+ fi
}
@test "podman run with slirp4ns adds correct dns address to resolv.conf" {
@@ -434,9 +470,17 @@ load helpers
run_podman inspect $cid --format "{{(index .NetworkSettings.Networks \"$netname\").Aliases}}"
is "$output" "[${cid:0:12}]" "short container id in network aliases"
+ # check /etc/hosts for our entry
+ run_podman exec $cid cat /etc/hosts
+ is "$output" ".*$ip.*" "hosts contain expected ip"
+
run_podman network disconnect $netname $cid
is "$output" "" "Output should be empty (no errors)"
+ # check /etc/hosts again, the entry should be gone now
+ run_podman exec $cid cat /etc/hosts
+ assert "$output" !~ "$ip" "IP ($ip) should no longer be in /etc/hosts"
+
# check that we cannot curl (timeout after 3 sec)
run curl --max-time 3 -s $SERVER/index.txt
assert $status -ne 0 \
@@ -452,13 +496,18 @@ load helpers
# check that we have a new ip and mac
# if the ip is still the same this whole test turns into a nop
run_podman inspect $cid --format "{{(index .NetworkSettings.Networks \"$netname\").IPAddress}}"
- assert "$output" != "$ip" \
+ new_ip="$output"
+ assert "$new_ip" != "$ip" \
"IP address did not change after podman network disconnect/connect"
run_podman inspect $cid --format "{{(index .NetworkSettings.Networks \"$netname\").MacAddress}}"
assert "$output" != "$mac" \
"MAC address did not change after podman network disconnect/connect"
+ # check /etc/hosts for the new entry
+ run_podman exec $cid cat /etc/hosts
+ is "$output" ".*$new_ip.*" "hosts contain expected new ip"
+
# Disconnect/reconnect of a container *with no ports* should succeed quietly
run_podman network disconnect $netname $background_cid
is "$output" "" "disconnect of container with no open ports"
@@ -629,4 +678,48 @@ EOF
done
}
+@test "podman run CONTAINERS_CONF /etc/hosts options" {
+ skip_if_remote "CONTAINERS_CONF redirect does not work on remote"
+
+ containersconf=$PODMAN_TMPDIR/containers.conf
+ basehost=$PODMAN_TMPDIR/host
+
+ ip1="$(random_rfc1918_subnet).$((RANDOM % 256))"
+ name1=host1$(random_string)
+ ip2="$(random_rfc1918_subnet).$((RANDOM % 256))"
+ name2=host2$(random_string)
+
+ cat >$basehost <<EOF
+$ip1 $name1
+$ip2 $name2 #some comment
+EOF
+
+ containersinternal_ip="$(random_rfc1918_subnet).$((RANDOM % 256))"
+ cat >$containersconf <<EOF
+[containers]
+ base_hosts_file = "$basehost"
+ host_containers_internal_ip = "$containersinternal_ip"
+EOF
+
+ ip3="$(random_rfc1918_subnet).$((RANDOM % 256))"
+ name3=host3$(random_string)
+
+ CONTAINERS_CONF=$containersconf run_podman run --rm --add-host $name3:$ip3 $IMAGE cat /etc/hosts
+ is "$output" ".*$ip3[[:blank:]]$name3.*" "--add-host entry in /etc/host"
+ is "$output" ".*$ip1[[:blank:]]$name1.*" "first base entry in /etc/host"
+ is "$output" ".*$ip2[[:blank:]]$name2.*" "second base entry in /etc/host"
+ is "$output" ".*127.0.0.1[[:blank:]]localhost.*" "ipv4 localhost entry added"
+ is "$output" ".*::1[[:blank:]]localhost.*" "ipv6 localhost entry added"
+ is "$output" ".*$containersinternal_ip[[:blank:]]host\.containers\.internal.*" "host.containers.internal ip from config in /etc/host"
+ is "${#lines[@]}" "7" "expect 7 host entries in /etc/hosts"
+
+ # now try again with container name and hostname == host entry name
+ # in this case podman should not add its own entry thus we only have 5 entries (-1 for the removed --add-host)
+ CONTAINERS_CONF=$containersconf run_podman run --rm --name $name1 --hostname $name1 $IMAGE cat /etc/hosts
+ is "$output" ".*$ip1[[:blank:]]$name1.*" "first base entry in /etc/host"
+ is "$output" ".*$ip2[[:blank:]]$name2.*" "second base entry in /etc/host"
+ is "$output" ".*$containersinternal_ip[[:blank:]]host\.containers\.internal.*" "host.containers.internal ip from config in /etc/host"
+ is "${#lines[@]}" "5" "expect 5 host entries in /etc/hosts"
+}
+
# vim: filetype=sh
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-02 22:31:31 +0000