go.temporal.io/server@v1.23.0/common/build/build.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package build
    26  
    27  import (
    28  	"runtime/debug"
    29  	"time"
    30  )
    31  
    32  type (
    33  	Info struct {
    34  		Available bool
    35  		GoVersion string
    36  		GoArch    string
    37  		GoOs      string
    38  		// CgoEnabled indicates whether cgo was enabled when this build was created.
    39  		CgoEnabled bool
    40  
    41  		// GitRevision is the git revision associated with this build.
    42  		GitRevision string
    43  		// GitTime is the git revision time.
    44  		GitTime     time.Time
    45  		GitModified bool
    46  	}
    47  )
    48  
    49  var (
    50  	InfoData Info
    51  )
    52  
    53  func init() {
    54  	buildInfo, ok := debug.ReadBuildInfo()
    55  	if !ok {
    56  		return
    57  	}
    58  
    59  	InfoData.Available = true
    60  	InfoData.GoVersion = buildInfo.GoVersion
    61  
    62  	for _, setting := range buildInfo.Settings {
    63  		switch setting.Key {
    64  		case "GOARCH":
    65  			InfoData.GoArch = setting.Value
    66  		case "GOOS":
    67  			InfoData.GoOs = setting.Value
    68  		case "CGO_ENABLED":
    69  			InfoData.CgoEnabled = setting.Value == "1"
    70  		case "vcs.revision":
    71  			InfoData.GitRevision = setting.Value
    72  		case "vcs.time":
    73  			if gitTime, err := time.Parse(time.RFC3339, setting.Value); err == nil {
    74  				InfoData.GitTime = gitTime
    75  			}
    76  		case "vcs.modified":
    77  			InfoData.GitModified = setting.Value == "true"
    78  		}
    79  	}
    80  }