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ec723b2112
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. sample-controller: add example CRD controller **What this PR does / why we need it**: Adds a sample-controller example repository fixes #52752 **Special notes for your reviewer**: This is currently based on the sttts:sttts-codegen-scripts branch and should not be merged until that is (ref https://github.com/kubernetes/kubernetes/pull/52186) **Release note**: ``` Add sample-controller repository ``` /cc @sttts @nikhita @colemickens Kubernetes-commit: 9a7800f7d2efb88b397674672ac56f898826cf7c
101 lines
3.7 KiB
Go
101 lines
3.7 KiB
Go
// Go support for Protocol Buffers - Google's data interchange format
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//
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// Copyright 2016 The Go Authors. All rights reserved.
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// https://github.com/golang/protobuf
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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 proto
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// This file implements conversions between google.protobuf.Duration
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// and time.Duration.
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import (
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"errors"
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"fmt"
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"time"
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)
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const (
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// Range of a Duration in seconds, as specified in
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// google/protobuf/duration.proto. This is about 10,000 years in seconds.
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maxSeconds = int64(10000 * 365.25 * 24 * 60 * 60)
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minSeconds = -maxSeconds
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)
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// validateDuration determines whether the Duration is valid according to the
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// definition in google/protobuf/duration.proto. A valid Duration
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// may still be too large to fit into a time.Duration (the range of Duration
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// is about 10,000 years, and the range of time.Duration is about 290).
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func validateDuration(d *duration) error {
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if d == nil {
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return errors.New("duration: nil Duration")
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}
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if d.Seconds < minSeconds || d.Seconds > maxSeconds {
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return fmt.Errorf("duration: %#v: seconds out of range", d)
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}
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if d.Nanos <= -1e9 || d.Nanos >= 1e9 {
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return fmt.Errorf("duration: %#v: nanos out of range", d)
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}
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// Seconds and Nanos must have the same sign, unless d.Nanos is zero.
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if (d.Seconds < 0 && d.Nanos > 0) || (d.Seconds > 0 && d.Nanos < 0) {
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return fmt.Errorf("duration: %#v: seconds and nanos have different signs", d)
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}
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return nil
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}
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// DurationFromProto converts a Duration to a time.Duration. DurationFromProto
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// returns an error if the Duration is invalid or is too large to be
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// represented in a time.Duration.
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func durationFromProto(p *duration) (time.Duration, error) {
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if err := validateDuration(p); err != nil {
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return 0, err
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}
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d := time.Duration(p.Seconds) * time.Second
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if int64(d/time.Second) != p.Seconds {
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return 0, fmt.Errorf("duration: %#v is out of range for time.Duration", p)
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}
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if p.Nanos != 0 {
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d += time.Duration(p.Nanos)
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if (d < 0) != (p.Nanos < 0) {
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return 0, fmt.Errorf("duration: %#v is out of range for time.Duration", p)
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}
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}
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return d, nil
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}
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// DurationProto converts a time.Duration to a Duration.
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func durationProto(d time.Duration) *duration {
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nanos := d.Nanoseconds()
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secs := nanos / 1e9
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nanos -= secs * 1e9
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return &duration{
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Seconds: secs,
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Nanos: int32(nanos),
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}
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}
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