go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/auth_service/impl/info/info.go (about)

     1  // Copyright 2022 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package info facilitates adding global application info to a context.
    16  package info
    17  
    18  import (
    19  	"context"
    20  )
    21  
    22  var contextKey = "info.ImageVersion"
    23  
    24  func SetImageVersion(ctx context.Context, version string) context.Context {
    25  	return context.WithValue(ctx, &contextKey, version)
    26  }
    27  
    28  func ImageVersion(ctx context.Context) string {
    29  	return ctx.Value(&contextKey).(string)
    30  }