k8s.io/kubernetes@v1.31.0-alpha.0.0.20240520171757-56147500dadc/cluster/pre-existing/util.sh (about)

     1  #!/usr/bin/env bash
     2  
     3  # Copyright 2017 The Kubernetes Authors.
     4  #
     5  # Licensed under the Apache License, Version 2.0 (the "License");
     6  # you may not use this file except in compliance with the License.
     7  # You may obtain a copy of the License at
     8  #
     9  #     http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  
    17  # A library of helper functions for landing kubemark containers on a
    18  # pre-existing Kubernetes master. See test/kubemark/pre-existing/README.md
    19  # for me details on using a pre-existing provider.
    20  
    21  KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/../..
    22  
    23  source "${KUBE_ROOT}/cluster/common.sh"
    24  source "${KUBE_ROOT}/hack/lib/util.sh"
    25  
    26  function detect-project() {
    27    if [[ -z "${MASTER_IP:-}" ]]; then
    28      echo "Set 'MASTER_IP' to the instance assigned to be the Kubernetes master" 1>&2
    29      exit 1
    30    fi
    31  
    32    if [[ -z "${PROJECT:-}" ]]; then
    33      echo "Set 'PROJECT' to the name of the container project: $CONTAINER_REGISTRY/$PROJECT/kubemark" >&2
    34      exit 1
    35    fi
    36  
    37    if [[ -z "${SERVICE_CLUSTER_IP_RANGE:-}" ]]; then
    38      cluster_range=$(echo "${MASTER_IP}" | awk -F '.' '{printf("%d.%d.%d.0", $1, $2, $3)}')
    39      SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE:-$cluster_range/16}"
    40    fi
    41  }
    42  
    43  function create-certs {
    44    execute-cmd-on-pre-existing-master-with-retries 'sudo cat /etc/kubernetes/admin.conf' > /tmp/kubeconfig
    45  }