From fd43dc16ba8c5b15ff6dca5308144c5d968d2dbe Mon Sep 17 00:00:00 2001 From: David Ashpole Date: Mon, 20 Nov 2017 13:15:15 -0800 Subject: [PATCH] add apimachinery clock dependency --- Godeps/Godeps.json | 5 + vendor/k8s.io/apimachinery/LICENSE | 202 +++++++++++ .../k8s.io/apimachinery/pkg/util/clock/BUILD | 33 ++ .../apimachinery/pkg/util/clock/clock.go | 327 ++++++++++++++++++ 4 files changed, 567 insertions(+) create mode 100644 vendor/k8s.io/apimachinery/LICENSE create mode 100644 vendor/k8s.io/apimachinery/pkg/util/clock/BUILD create mode 100644 vendor/k8s.io/apimachinery/pkg/util/clock/clock.go diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json index dfdf65cb..70ffd6c7 100644 --- a/Godeps/Godeps.json +++ b/Godeps/Godeps.json @@ -877,6 +877,11 @@ "ImportPath": "gopkg.in/olivere/elastic.v2/uritemplates", "Comment": "v2.0.12", "Rev": "3cfe88295d20b6299bd935131fc0fd17316405ad" + }, + { + "ImportPath": "k8s.io/apimachinery/pkg/util/clock", + "Comment": "kubernetes-1.9.0-alpha.1-65-g18a564b", + "Rev": "18a564baac720819100827c16fdebcadb05b2d0d" } ] } diff --git a/vendor/k8s.io/apimachinery/LICENSE b/vendor/k8s.io/apimachinery/LICENSE new file mode 100644 index 00000000..d6456956 --- /dev/null +++ b/vendor/k8s.io/apimachinery/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/k8s.io/apimachinery/pkg/util/clock/BUILD b/vendor/k8s.io/apimachinery/pkg/util/clock/BUILD new file mode 100644 index 00000000..62ad5a87 --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/util/clock/BUILD @@ -0,0 +1,33 @@ +package(default_visibility = ["//visibility:public"]) + +load( + "@io_bazel_rules_go//go:def.bzl", + "go_library", + "go_test", +) + +go_test( + name = "go_default_test", + srcs = ["clock_test.go"], + importpath = "k8s.io/apimachinery/pkg/util/clock", + library = ":go_default_library", +) + +go_library( + name = "go_default_library", + srcs = ["clock.go"], + importpath = "k8s.io/apimachinery/pkg/util/clock", +) + +filegroup( + name = "package-srcs", + srcs = glob(["**"]), + tags = ["automanaged"], + visibility = ["//visibility:private"], +) + +filegroup( + name = "all-srcs", + srcs = [":package-srcs"], + tags = ["automanaged"], +) diff --git a/vendor/k8s.io/apimachinery/pkg/util/clock/clock.go b/vendor/k8s.io/apimachinery/pkg/util/clock/clock.go new file mode 100644 index 00000000..c303a212 --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/util/clock/clock.go @@ -0,0 +1,327 @@ +/* +Copyright 2014 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package clock + +import ( + "sync" + "time" +) + +// Clock allows for injecting fake or real clocks into code that +// needs to do arbitrary things based on time. +type Clock interface { + Now() time.Time + Since(time.Time) time.Duration + After(d time.Duration) <-chan time.Time + NewTimer(d time.Duration) Timer + Sleep(d time.Duration) + Tick(d time.Duration) <-chan time.Time +} + +var ( + _ = Clock(RealClock{}) + _ = Clock(&FakeClock{}) + _ = Clock(&IntervalClock{}) +) + +// RealClock really calls time.Now() +type RealClock struct{} + +// Now returns the current time. +func (RealClock) Now() time.Time { + return time.Now() +} + +// Since returns time since the specified timestamp. +func (RealClock) Since(ts time.Time) time.Duration { + return time.Since(ts) +} + +// Same as time.After(d). +func (RealClock) After(d time.Duration) <-chan time.Time { + return time.After(d) +} + +func (RealClock) NewTimer(d time.Duration) Timer { + return &realTimer{ + timer: time.NewTimer(d), + } +} + +func (RealClock) Tick(d time.Duration) <-chan time.Time { + return time.Tick(d) +} + +func (RealClock) Sleep(d time.Duration) { + time.Sleep(d) +} + +// FakeClock implements Clock, but returns an arbitrary time. +type FakeClock struct { + lock sync.RWMutex + time time.Time + + // waiters are waiting for the fake time to pass their specified time + waiters []fakeClockWaiter +} + +type fakeClockWaiter struct { + targetTime time.Time + stepInterval time.Duration + skipIfBlocked bool + destChan chan time.Time + fired bool +} + +func NewFakeClock(t time.Time) *FakeClock { + return &FakeClock{ + time: t, + } +} + +// Now returns f's time. +func (f *FakeClock) Now() time.Time { + f.lock.RLock() + defer f.lock.RUnlock() + return f.time +} + +// Since returns time since the time in f. +func (f *FakeClock) Since(ts time.Time) time.Duration { + f.lock.RLock() + defer f.lock.RUnlock() + return f.time.Sub(ts) +} + +// Fake version of time.After(d). +func (f *FakeClock) After(d time.Duration) <-chan time.Time { + f.lock.Lock() + defer f.lock.Unlock() + stopTime := f.time.Add(d) + ch := make(chan time.Time, 1) // Don't block! + f.waiters = append(f.waiters, fakeClockWaiter{ + targetTime: stopTime, + destChan: ch, + }) + return ch +} + +// Fake version of time.NewTimer(d). +func (f *FakeClock) NewTimer(d time.Duration) Timer { + f.lock.Lock() + defer f.lock.Unlock() + stopTime := f.time.Add(d) + ch := make(chan time.Time, 1) // Don't block! + timer := &fakeTimer{ + fakeClock: f, + waiter: fakeClockWaiter{ + targetTime: stopTime, + destChan: ch, + }, + } + f.waiters = append(f.waiters, timer.waiter) + return timer +} + +func (f *FakeClock) Tick(d time.Duration) <-chan time.Time { + f.lock.Lock() + defer f.lock.Unlock() + tickTime := f.time.Add(d) + ch := make(chan time.Time, 1) // hold one tick + f.waiters = append(f.waiters, fakeClockWaiter{ + targetTime: tickTime, + stepInterval: d, + skipIfBlocked: true, + destChan: ch, + }) + + return ch +} + +// Move clock by Duration, notify anyone that's called After, Tick, or NewTimer +func (f *FakeClock) Step(d time.Duration) { + f.lock.Lock() + defer f.lock.Unlock() + f.setTimeLocked(f.time.Add(d)) +} + +// Sets the time. +func (f *FakeClock) SetTime(t time.Time) { + f.lock.Lock() + defer f.lock.Unlock() + f.setTimeLocked(t) +} + +// Actually changes the time and checks any waiters. f must be write-locked. +func (f *FakeClock) setTimeLocked(t time.Time) { + f.time = t + newWaiters := make([]fakeClockWaiter, 0, len(f.waiters)) + for i := range f.waiters { + w := &f.waiters[i] + if !w.targetTime.After(t) { + + if w.skipIfBlocked { + select { + case w.destChan <- t: + w.fired = true + default: + } + } else { + w.destChan <- t + w.fired = true + } + + if w.stepInterval > 0 { + for !w.targetTime.After(t) { + w.targetTime = w.targetTime.Add(w.stepInterval) + } + newWaiters = append(newWaiters, *w) + } + + } else { + newWaiters = append(newWaiters, f.waiters[i]) + } + } + f.waiters = newWaiters +} + +// Returns true if After has been called on f but not yet satisfied (so you can +// write race-free tests). +func (f *FakeClock) HasWaiters() bool { + f.lock.RLock() + defer f.lock.RUnlock() + return len(f.waiters) > 0 +} + +func (f *FakeClock) Sleep(d time.Duration) { + f.Step(d) +} + +// IntervalClock implements Clock, but each invocation of Now steps the clock forward the specified duration +type IntervalClock struct { + Time time.Time + Duration time.Duration +} + +// Now returns i's time. +func (i *IntervalClock) Now() time.Time { + i.Time = i.Time.Add(i.Duration) + return i.Time +} + +// Since returns time since the time in i. +func (i *IntervalClock) Since(ts time.Time) time.Duration { + return i.Time.Sub(ts) +} + +// Unimplemented, will panic. +// TODO: make interval clock use FakeClock so this can be implemented. +func (*IntervalClock) After(d time.Duration) <-chan time.Time { + panic("IntervalClock doesn't implement After") +} + +// Unimplemented, will panic. +// TODO: make interval clock use FakeClock so this can be implemented. +func (*IntervalClock) NewTimer(d time.Duration) Timer { + panic("IntervalClock doesn't implement NewTimer") +} + +// Unimplemented, will panic. +// TODO: make interval clock use FakeClock so this can be implemented. +func (*IntervalClock) Tick(d time.Duration) <-chan time.Time { + panic("IntervalClock doesn't implement Tick") +} + +func (*IntervalClock) Sleep(d time.Duration) { + panic("IntervalClock doesn't implement Sleep") +} + +// Timer allows for injecting fake or real timers into code that +// needs to do arbitrary things based on time. +type Timer interface { + C() <-chan time.Time + Stop() bool + Reset(d time.Duration) bool +} + +var ( + _ = Timer(&realTimer{}) + _ = Timer(&fakeTimer{}) +) + +// realTimer is backed by an actual time.Timer. +type realTimer struct { + timer *time.Timer +} + +// C returns the underlying timer's channel. +func (r *realTimer) C() <-chan time.Time { + return r.timer.C +} + +// Stop calls Stop() on the underlying timer. +func (r *realTimer) Stop() bool { + return r.timer.Stop() +} + +// Reset calls Reset() on the underlying timer. +func (r *realTimer) Reset(d time.Duration) bool { + return r.timer.Reset(d) +} + +// fakeTimer implements Timer based on a FakeClock. +type fakeTimer struct { + fakeClock *FakeClock + waiter fakeClockWaiter +} + +// C returns the channel that notifies when this timer has fired. +func (f *fakeTimer) C() <-chan time.Time { + return f.waiter.destChan +} + +// Stop stops the timer and returns true if the timer has not yet fired, or false otherwise. +func (f *fakeTimer) Stop() bool { + f.fakeClock.lock.Lock() + defer f.fakeClock.lock.Unlock() + + newWaiters := make([]fakeClockWaiter, 0, len(f.fakeClock.waiters)) + for i := range f.fakeClock.waiters { + w := &f.fakeClock.waiters[i] + if w != &f.waiter { + newWaiters = append(newWaiters, *w) + } + } + + f.fakeClock.waiters = newWaiters + + return !f.waiter.fired +} + +// Reset resets the timer to the fake clock's "now" + d. It returns true if the timer has not yet +// fired, or false otherwise. +func (f *fakeTimer) Reset(d time.Duration) bool { + f.fakeClock.lock.Lock() + defer f.fakeClock.lock.Unlock() + + active := !f.waiter.fired + + f.waiter.fired = false + f.waiter.targetTime = f.fakeClock.time.Add(d) + + return active +}