volcano.sh/volcano@v1.9.0/hack/lib/golang.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  # Compare version numbers
    18  kube::golang::version_gt() {
    19      return "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1";
    20  }
    21  
    22  # Ensure the go tool exists and is a viable version.
    23  kube::golang::verify_go_version() {
    24    if [[ -z "$(which go)" ]]; then
    25      kube::log::usage_from_stdin <<EOF
    26  Can't find 'go' in PATH, please fix and retry.
    27  See http://golang.org/doc/install for installation instructions.
    28  EOF
    29      return 2
    30    fi
    31  
    32    local go_version
    33    go_version=($(go version))
    34    local minimum_go_version
    35    minimum_go_version=go1.12.1
    36    if [[ "kube::golang::version_gt "${go_version[2]}" "${minimum_go_version}"" == 1 && "${go_version[2]}" != "devel" ]]; then
    37      kube::log::usage_from_stdin <<EOF
    38  Detected go version: ${go_version[*]}.
    39  Kubernetes requires ${minimum_go_version} or greater.
    40  Please install ${minimum_go_version} or later.
    41  EOF
    42      return 2
    43    fi
    44  }