tools/internal_ci/linux/grpc_xds_k8s_lb_python.sh

   1 #!/usr/bin/env bash
   2 # Copyright 2021 gRPC authors.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 set -eo pipefail
  17
  18 # Constants
  19 readonly GITHUB_REPOSITORY_NAME="grpc"
  20 # GKE Cluster
  21 readonly GKE_CLUSTER_NAME="interop-test-psm-sec-v2-us-central1-a"
  22 readonly GKE_CLUSTER_ZONE="us-central1-a"
  23 readonly SECONDARY_GKE_CLUSTER_NAME="interop-test-psm-sec-v2-us-west1-b"
  24 readonly SECONDARY_GKE_CLUSTER_ZONE="us-west1-b"
  25 ## xDS test client Docker images
  26 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-server:13171a8b293837517c0446ec0e149e9d10ea3d10"
  27 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-client"
  28 readonly FORCE_IMAGE_BUILD="${FORCE_IMAGE_BUILD:-0}"
  29 readonly BUILD_APP_PATH="interop-testing/build/install/grpc-interop-testing"
  30 readonly LANGUAGE_NAME="Python"
  31
  32 #######################################
  33 # Builds test app Docker images and pushes them to GCR
  34 # Globals:
  35 #   BUILD_APP_PATH
  36 #   CLIENT_IMAGE_NAME: Test client Docker image name
  37 #   GIT_COMMIT: SHA-1 of git commit being built
  38 # Arguments:
  39 #   None
  40 # Outputs:
  41 #   Writes the output of `gcloud builds submit` to stdout, stderr
  42 #######################################
  43 build_test_app_docker_images() {
  44   echo "Building ${LANGUAGE_NAME} xDS interop test app Docker images"
  45
  46   pushd "${SRC_DIR}"
  47   docker build \
  48     -f src/python/grpcio_tests/tests_py3_only/interop/Dockerfile.client \
  49     -t "${CLIENT_IMAGE_NAME}:${GIT_COMMIT}" \
  50     .
  51
  52   popd
  53
  54   gcloud -q auth configure-docker
  55
  56   docker push "${CLIENT_IMAGE_NAME}:${GIT_COMMIT}"
  57 }
  58
  59 #######################################
  60 # Builds test app and its docker images unless they already exist
  61 # Globals:
  62 #   CLIENT_IMAGE_NAME: Test client Docker image name
  63 #   GIT_COMMIT: SHA-1 of git commit being built
  64 #   FORCE_IMAGE_BUILD
  65 # Arguments:
  66 #   None
  67 # Outputs:
  68 #   Writes the output to stdout, stderr
  69 #######################################
  70 build_docker_images_if_needed() {
  71   # Check if images already exist
  72   client_tags="$(gcloud_gcr_list_image_tags "${CLIENT_IMAGE_NAME}" "${GIT_COMMIT}")"
  73   printf "Client image: %s:%s\n" "${CLIENT_IMAGE_NAME}" "${GIT_COMMIT}"
  74   echo "${client_tags:-Client image not found}"
  75
  76   # Build if any of the images are missing, or FORCE_IMAGE_BUILD=1
  77   if [[ "${FORCE_IMAGE_BUILD}" == "1" || -z "${client_tags}" ]]; then
  78     build_test_app_docker_images
  79   else
  80     echo "Skipping ${LANGUAGE_NAME} test app build"
  81   fi
  82 }
  83
  84 #######################################
  85 # Executes the test case
  86 # Globals:
  87 #   TEST_DRIVER_FLAGFILE: Relative path to test driver flagfile
  88 #   KUBE_CONTEXT: The name of kubectl context with GKE cluster access
  89 #   SECONDARY_KUBE_CONTEXT: The name of kubectl context with secondary GKE cluster access, if any
  90 #   TEST_XML_OUTPUT_DIR: Output directory for the test xUnit XML report
  91 #   CLIENT_IMAGE_NAME: Test client Docker image name
  92 #   GIT_COMMIT: SHA-1 of git commit being built
  93 # Arguments:
  94 #   Test case name
  95 # Outputs:
  96 #   Writes the output of test execution to stdout, stderr
  97 #   Test xUnit report to ${TEST_XML_OUTPUT_DIR}/${test_name}/sponge_log.xml
  98 #######################################
  99 run_test() {
 100   # Test driver usage:
 101   # https://github.com/grpc/grpc/tree/master/tools/run_tests/xds_k8s_test_driver#basic-usage
 102   local test_name="${1:?Usage: run_test test_name}"
 103   python -m "tests.${test_name}" \
 104     --flagfile="${TEST_DRIVER_FLAGFILE}" \
 105     --kube_context="${KUBE_CONTEXT}" \
 106     --secondary_kube_context="${SECONDARY_KUBE_CONTEXT}" \
 107     --client_image="${CLIENT_IMAGE_NAME}:${GIT_COMMIT}" \
 108     --server_image="${SERVER_IMAGE_NAME}" \
 109     --xml_output_file="${TEST_XML_OUTPUT_DIR}/${test_name}/sponge_log.xml"
 110 }
 111
 112 #######################################
 113 # Main function: provision software necessary to execute tests, and run them
 114 # Globals:
 115 #   KOKORO_ARTIFACTS_DIR
 116 #   GITHUB_REPOSITORY_NAME
 117 #   SRC_DIR: Populated with absolute path to the source repo
 118 #   TEST_DRIVER_REPO_DIR: Populated with the path to the repo containing
 119 #                         the test driver
 120 #   TEST_DRIVER_FULL_DIR: Populated with the path to the test driver source code
 121 #   TEST_DRIVER_FLAGFILE: Populated with relative path to test driver flagfile
 122 #   TEST_XML_OUTPUT_DIR: Populated with the path to test xUnit XML report
 123 #   GIT_ORIGIN_URL: Populated with the origin URL of git repo used for the build
 124 #   GIT_COMMIT: Populated with the SHA-1 of git commit being built
 125 #   GIT_COMMIT_SHORT: Populated with the short SHA-1 of git commit being built
 126 #   KUBE_CONTEXT: Populated with name of kubectl context with GKE cluster access
 127 #   SECONDARY_KUBE_CONTEXT: Populated with name of kubectl context with secondary GKE cluster access, if any
 128 # Arguments:
 129 #   None
 130 # Outputs:
 131 #   Writes the output of test execution to stdout, stderr
 132 #######################################
 133 main() {
 134   local script_dir
 135   script_dir="$(dirname "$0")"
 136   # shellcheck source=tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh
 137   source "${script_dir}/grpc_xds_k8s_install_test_driver.sh"
 138   set -x
 139   if [[ -n "${KOKORO_ARTIFACTS_DIR}" ]]; then
 140     kokoro_setup_test_driver "${GITHUB_REPOSITORY_NAME}"
 141   else
 142     local_setup_test_driver "${script_dir}"
 143   fi
 144   build_docker_images_if_needed
 145   # Run tests
 146   cd "${TEST_DRIVER_FULL_DIR}"
 147   local failed_tests=0
 148   test_suites=("change_backend_service_test" "failover_test" "remove_neg_test" "round_robin_test")
 149   for test in "${test_suites[@]}"; do
 150     run_test $test || (( failed_tests++ ))
 151   done
 152   echo "Failed test suites: ${failed_tests}"
 153   if (( failed_tests > 0 )); then
 154     exit 1
 155   fi
 156 }
 157
 158 main "$@"