2f087f1a6c
In addition, simplify the SPEC file to not have to update the minimum required osbuild version gazillion times, but just once. Update the minimum required osbuild version to v109, due to changes in grub2 stages required by the new osbuild/images version. Update osbild SHA in Schutzfile to v109. Signed-off-by: Tomáš Hozza <thozza@redhat.com>
82 lines
3.4 KiB
Go
82 lines
3.4 KiB
Go
// Copyright 2023, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Package callctx provides helpers for storing and retrieving values out of
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// [context.Context]. These values are used by our client libraries in various
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// ways across the stack.
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package callctx
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import (
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"context"
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"fmt"
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)
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const (
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// XGoogFieldMaskHeader is the canonical header key for the [System Parameter]
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// that specifies the response read mask. The value(s) for this header
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// must adhere to format described in [fieldmaskpb].
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//
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// [System Parameter]: https://cloud.google.com/apis/docs/system-parameters
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// [fieldmaskpb]: https://google.golang.org/protobuf/types/known/fieldmaskpb
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XGoogFieldMaskHeader = "x-goog-fieldmask"
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headerKey = contextKey("header")
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)
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// contextKey is a private type used to store/retrieve context values.
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type contextKey string
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// HeadersFromContext retrieves headers set from [SetHeaders]. These headers
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// can then be cast to http.Header or metadata.MD to send along on requests.
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func HeadersFromContext(ctx context.Context) map[string][]string {
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m, ok := ctx.Value(headerKey).(map[string][]string)
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if !ok {
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return nil
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}
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return m
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}
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// SetHeaders stores key value pairs in the returned context that can later
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// be retrieved by [HeadersFromContext]. Values stored in this manner will
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// automatically be retrieved by client libraries and sent as outgoing headers
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// on all requests. keyvals should have a corresponding value for every key
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// provided. If there is an odd number of keyvals this method will panic.
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func SetHeaders(ctx context.Context, keyvals ...string) context.Context {
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if len(keyvals)%2 != 0 {
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panic(fmt.Sprintf("callctx: an even number of key value pairs must be provided, got %d", len(keyvals)))
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}
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h, ok := ctx.Value(headerKey).(map[string][]string)
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if !ok {
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h = make(map[string][]string)
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}
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for i := 0; i < len(keyvals); i = i + 2 {
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h[keyvals[i]] = append(h[keyvals[i]], keyvals[i+1])
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}
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return context.WithValue(ctx, headerKey, h)
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}
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