test: Add a inter pod ping networking test

We create 2 pods in 2 different networking namespace and
we check if we can ping one from the other.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

test/helpers.bash

@@ -257,8 +257,22 @@ function ping_pod() {
 	echo $?
 }
 
+function ping_pod_from_pod() {
+	pod_ip=`ocic pod status --id $1 | grep "IP Address" | cut -d ' ' -f 3`
+	netns=`ocic pod status --id $2 | grep namespace | cut -d ' ' -f 3`
+
+	ip netns exec `basename $netns` ping -W 1 -c 2 $pod_ip
+
+	echo $?
+}
+
+
 function cleanup_network_conf() {
 	rm -rf $OCID_CNI_CONFIG
 
 	echo 0
 }
+
+function temp_sandbox_conf() {
+	sed -e s/\"namespace\":.*/\"namespace\":\ \"$1\",/g "$TESTDATA"/sandbox_config.json > $TESTDIR/sandbox_config_$1.json
+}

test/network.bats

@@ -31,7 +31,7 @@ load helpers
 	stop_ocid
 }
 
-@test "Ping pod netns from the host" {
+@test "Ping pod from the host" {
 	# this test requires docker, thus it can't yet be run in a container
 	if [ "$TRAVIS" = "true" ]; then # instead of $TRAVIS, add a function is_containerized to skip here
 		skip "cannot yet run this test in a container, use sudo make localintegration"
@@ -59,3 +59,43 @@ load helpers
 	cleanup_network_conf
 	stop_ocid
 }
+
+@test "Ping pod from another pod" {
+	# this test requires docker, thus it can't yet be run in a container
+	if [ "$TRAVIS" = "true" ]; then # instead of $TRAVIS, add a function is_containerized to skip here
+		skip "cannot yet run this test in a container, use sudo make localintegration"
+	fi
+
+	if [ ! -f "$OCID_CNI_PLUGIN/bridge" ]; then
+		skip "missing CNI bridge plugin, please install it"
+	fi
+
+	if [ ! -f "$OCID_CNI_PLUGIN/host-local" ]; then
+		skip "missing CNI host-local IPAM, please install it"
+	fi
+
+	prepare_network_conf $POD_CIDR
+
+	start_ocid
+	run ocic pod run --config "$TESTDATA"/sandbox_config.json
+	echo "$output"
+	[ "$status" -eq 0 ]
+	pod1_id="$output"
+
+	temp_sandbox_conf cni_test
+
+	run ocic pod run --config "$TESTDIR"/sandbox_config_cni_test.json
+	echo "$output"
+	[ "$status" -eq 0 ]
+	pod2_id="$output"
+
+	ping_pod_from_pod $pod1_id $pod2_id
+	[ "$status" -eq 0 ]
+
+	ping_pod_from_pod $pod2_id $pod1_id
+	[ "$status" -eq 0 ]
+
+	cleanup_pods
+	cleanup_network_conf
+	stop_ocid
+}