github.com/kata-containers/tests@v0.0.0-20240307153542-772105b56064/integration/kubernetes/k8s-expose-ip.bats (about)

     1  #!/usr/bin/env bats
     2  #
     3  # Copyright (c) 2019 Intel Corporation
     4  #
     5  # SPDX-License-Identifier: Apache-2.0
     6  #
     7  #
     8  # Test that IP addresses/connections of PODS are routed/exposed correctly 
     9  # via a loadbalancer service.
    10  #
    11  # This test is temporarily turned off on ARM CI.
    12  # See detailed info in PR#2157(https://github.com/kata-containers/tests/pull/2157)
    13  
    14  load "${BATS_TEST_DIRNAME}/../../.ci/lib.sh"
    15  load "${BATS_TEST_DIRNAME}/tests_common.sh"
    16  
    17  setup() {
    18  	deployment="hello-world"
    19  	service="my-service"
    20  	agnhost_name=$(get_test_version "container_images.agnhost.name")
    21  	agnhost_version=$(get_test_version "container_images.agnhost.version")
    22  
    23  	get_pod_config_dir
    24  }
    25  
    26  @test "Expose IP Address" {
    27  
    28  	# Create deployment
    29  	sed -e "s#\${agnhost_image}#${agnhost_name}:${agnhost_version}#" \
    30  		"${pod_config_dir}/deployment-expose-ip.yaml" |\
    31  		kubectl create -f -
    32  
    33  	# Check deployment creation
    34  	cmd="kubectl wait --for=condition=Available --timeout=$timeout deployment/${deployment}"
    35  	waitForProcess "$wait_time" "$sleep_time" "$cmd"
    36  
    37  	# Check pods are running
    38  	cmd="kubectl get pods -o jsonpath='{.items[*].status.phase}' | grep Running"
    39  	waitForProcess "$wait_time" "$sleep_time" "$cmd"
    40  
    41  	# Expose deployment
    42  	kubectl expose deployment/${deployment} --type=LoadBalancer --name=${service}
    43  
    44  	# There appears to be no easy way to formally wait for a loadbalancer service
    45  	# to become 'ready' - there is no service.status.condition field to wait on.
    46  
    47  	# Now obtain the local IP:port pair of the loadbalancer service and ensure
    48  	# we can curl from it, and get the expected result
    49  	svcip=$(kubectl get service ${service} -o=json | jq '.spec.clusterIP' | sed 's/"//g')
    50  	svcport=$(kubectl get service ${service} -o=json | jq '.spec.ports[].port')
    51  	# And check we can curl the expected response from that IP address
    52  	echo_msg="hello,world"
    53  	cmd="curl http://$svcip:$svcport/echo?msg=${echo_msg} | grep \"$echo_msg\""
    54  
    55  	waitForProcess "$wait_time" "$sleep_time" "$cmd"
    56  
    57  	# NOTE - we do not test the 'public IP' address of the node balancer here as
    58  	# that may not be set up, as it may require an IP/DNS allocation and local
    59  	# routing and firewall rules to access.
    60  }
    61  
    62  teardown() {
    63  	kubectl delete services ${service}
    64  	kubectl delete deployment ${deployment}
    65  }