sigs.k8s.io/gateway-api@v1.0.0/hack/kube-env.sh (about)

     1  #!/bin/bash
     2  
     3  # Copyright 2014 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  # Some useful colors.
    18  if [[ -z "${color_start-}" ]]; then
    19    declare -r color_start="\033["
    20    declare -r color_red="${color_start}0;31m"
    21    declare -r color_yellow="${color_start}0;33m"
    22    declare -r color_green="${color_start}0;32m"
    23    declare -r color_norm="${color_start}0m"
    24  fi
    25  
    26  # Returns the server version as MMmmpp, with MM as the major
    27  # component, mm the minor component, and pp as the patch
    28  # revision. e.g. 0.7.1 is echoed as 701, and 1.0.11 would be
    29  # 10011. (This makes for easy integer comparison in bash.)
    30  function kube_server_version() {
    31    local server_version
    32    local major
    33    local minor
    34    local patch
    35  
    36    # This sed expression is the POSIX BRE to match strings like:
    37    # Server Version: &version.Info{Major:"0", Minor:"7+", GitVersion:"v0.7.0-dirty", GitCommit:"ad44234f7152e9c66bc2853575445c7071335e57", GitTreeState:"dirty"}
    38    # and capture the GitVersion portion (which has the patch level)
    39    server_version=$(${KUBECTL} --match-server-version=false version | grep "Server Version:")
    40    read major minor patch < <(
    41      echo ${server_version} | \
    42        sed "s/.*GitVersion:\"v\([0-9]\{1,\}\)\.\([0-9]\{1,\}\)\.\([0-9]\{1,\}\).*/\1 \2 \3/")
    43    printf "%02d%02d%02d" ${major} ${minor} ${patch} | sed 's/^0*//'
    44  }