From 06530db2465f59aa31fdcbd57b59b126c4b086c0 Mon Sep 17 00:00:00 2001 From: zhanghan Date: Fri, 22 Aug 2025 17:38:54 +0800 Subject: [PATCH] update vendor --- go.mod | 3 +- go.sum | 4 +- .../PilotGo-plugins/event/sdk/common.go | 2 + .../PilotGo-plugins/event/sdk/event.go | 28 +- .../PilotGo-plugins/event/sdk/listener.go | 45 +- vendor/k8s.io/apimachinery/LICENSE | 202 ----- .../apimachinery/pkg/util/clock/clock.go | 445 ----------- .../apimachinery/pkg/util/runtime/runtime.go | 173 ---- .../k8s.io/apimachinery/pkg/util/wait/doc.go | 19 - .../k8s.io/apimachinery/pkg/util/wait/wait.go | 752 ------------------ vendor/modules.txt | 7 +- 11 files changed, 39 insertions(+), 1641 deletions(-) delete mode 100644 vendor/k8s.io/apimachinery/LICENSE delete mode 100644 vendor/k8s.io/apimachinery/pkg/util/clock/clock.go delete mode 100644 vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go delete mode 100644 vendor/k8s.io/apimachinery/pkg/util/wait/doc.go delete mode 100644 vendor/k8s.io/apimachinery/pkg/util/wait/wait.go diff --git a/go.mod b/go.mod index 9fea8262..0416e698 100644 --- a/go.mod +++ b/go.mod @@ -176,7 +176,7 @@ require ( ) require ( - gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20241204130048-1bc7cc64986f + gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20250822093058-f48c8d19e0b3 gitee.com/openeuler/PilotGo/sdk v0.0.0-20250121031234-c5439c613a24 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible // indirect github.com/bytedance/sonic v1.12.5 // indirect @@ -241,7 +241,6 @@ require ( gorm.io/driver/postgres v1.5.2 // indirect gorm.io/driver/sqlserver v1.5.0 // indirect gorm.io/plugin/dbresolver v1.4.1 // indirect - k8s.io/apimachinery v0.22.1 modernc.org/libc v1.23.0 // indirect modernc.org/mathutil v1.5.0 // indirect modernc.org/memory v1.6.0 // indirect diff --git a/go.sum b/go.sum index e03ec4bb..aea44421 100644 --- a/go.sum +++ b/go.sum @@ -62,8 +62,8 @@ dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA= filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4= git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg= -gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20241204130048-1bc7cc64986f h1:xV+HcMlRTjGSrXIQyxIlvP3yArGBTFDPMaC5xstt5y8= -gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20241204130048-1bc7cc64986f/go.mod h1:hM6k7LD5EzCbWN+v8QjWOFM+sMIp0l021pO8/Ds4sqg= +gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20250822093058-f48c8d19e0b3 h1:2QYk/hNLIC7R17HPqJ9vgOqg+16EllFAJeUlZBLT4jw= +gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20250822093058-f48c8d19e0b3/go.mod h1:hM6k7LD5EzCbWN+v8QjWOFM+sMIp0l021pO8/Ds4sqg= github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96 h1:cTp8I5+VIoKjsnZuH8vjyaysT/ses3EvZeaV/1UkF2M= github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= github.com/Azure/azure-sdk-for-go/sdk/azcore v1.0.0/go.mod h1:uGG2W01BaETf0Ozp+QxxKJdMBNRWPdstHG0Fmdwn1/U= diff --git a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/common.go b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/common.go index d6a16d7b..b578cb7a 100644 --- a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/common.go +++ b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/common.go @@ -79,6 +79,8 @@ func GetMessageTypeString(msgType int) string { } } +var MessageTypes = []string{"用户登录", "用户退出", "平台新增主机", "平台移除主机", "主机上线", "主机离线", "主机安装软件包", "主机升级软件包", "主机卸载软件包", "主机ip变更", "插件添加", "插件卸载", "插件上线", "插件离线"} + type MessageData struct { MsgType int `json:"msg_type_id"` MessageType string `json:"msg_type"` diff --git a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/event.go b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/event.go index 3a8bea5a..7205a7d1 100644 --- a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/event.go +++ b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/event.go @@ -1,6 +1,6 @@ /* * Copyright (c) KylinSoft Co., Ltd. 2024.All rights reserved. - * PilotGo-plugins licensed under the Mulan Permissive Software License, Version 2. + * PilotGo-plugins licensed under the Mulan Permissive Software License, Version 2. * See LICENSE file for more details. * Author: zhanghan2021 * Date: Wed Jul 24 10:02:04 2024 +0800 @@ -9,7 +9,6 @@ package sdk import ( "encoding/json" - "errors" "io" "os" "os/signal" @@ -21,7 +20,7 @@ import ( "github.com/gin-gonic/gin" ) -func UnPluginListenEventHandler() { +func UnPluginListenEventHandler(serviceName string) { sig := make(chan os.Signal, 1) signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT) go func() { @@ -32,7 +31,7 @@ func UnPluginListenEventHandler() { switch s { case syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT: logger.Info("接收到退出信号: %s", s.String()) - UnPluginListenEvent() + UnPluginListenEvent(serviceName) os.Exit(0) default: logger.Info("接收到未知信号: %s", s.String()) @@ -65,27 +64,6 @@ func eventHandler(c *gin.Context) { ProcessEvent(&msg) } -func eventPluginServer() (string, error) { - plugins, err := plugin_client.GetPlugins() - if err != nil { - return "", err - } - - var eventServer string - for _, p := range plugins { - if p.Name == "event" { - eventServer = p.Url - break - } - } - - if eventServer == "" { - return "", errors.New("event plugin not found") - } - - return eventServer, nil -} - func registerEventCallback(eventType int, callback common.EventCallback) { plugin_client.EventCallbackMap[eventType] = callback } diff --git a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/listener.go b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/listener.go index 8f9d73fc..097acf70 100644 --- a/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/listener.go +++ b/vendor/gitee.com/openeuler/PilotGo-plugins/event/sdk/listener.go @@ -1,6 +1,6 @@ /* * Copyright (c) KylinSoft Co., Ltd. 2024.All rights reserved. - * PilotGo-plugins licensed under the Mulan Permissive Software License, Version 2. + * PilotGo-plugins licensed under the Mulan Permissive Software License, Version 2. * See LICENSE file for more details. * Author: zhanghan2021 * Date: Wed Jul 24 10:02:04 2024 +0800 @@ -10,6 +10,7 @@ package sdk import ( "encoding/json" "errors" + "fmt" "net/http" "strconv" "strings" @@ -21,21 +22,29 @@ import ( var plugin_client *client.Client +type SN struct { + ServiceName string `json:"serviceName"` +} + // 注册event事件监听 -func ListenEvent(eventTypes []int, callbacks common.EventCallback) error { +func ListenEvent(serviceName string, eventTypes []int, callbacks common.EventCallback) error { var eventtypes []string for _, i := range eventTypes { eventtypes = append(eventtypes, strconv.Itoa(i)) } - eventServer, err := eventPluginServer() + eventService, err := plugin_client.Registry.Get("event-service") if err != nil { return err } - url := eventServer + "/plugin/event/listener/register?eventTypes=" + strings.Join(eventtypes, ",") + url := fmt.Sprintf("http://%s:%s/plugin/event/listener/register?eventTypes=%s", eventService.Address, eventService.Port, strings.Join(eventtypes, ",")) + + b := SN{ + ServiceName: serviceName, + } r, err := httputils.Put(url, &httputils.Params{ - Body: plugin_client.PluginInfo, + Body: b, }) if err != nil { return err @@ -66,19 +75,22 @@ func ListenEvent(eventTypes []int, callbacks common.EventCallback) error { } // 取消注册event事件监听 -func UnListenEvent(eventTypes []int) error { +func UnListenEvent(serviceName string, eventTypes []int) error { var eventtypes []string for _, i := range eventTypes { eventtypes = append(eventtypes, strconv.Itoa(i)) } - eventServer, err := eventPluginServer() + eventService, err := plugin_client.Registry.Get("event-service") if err != nil { return err } - url := eventServer + "/plugin/event/listener/unregister?eventTypes=" + strings.Join(eventtypes, ",") + url := fmt.Sprintf("http://%s:%s/plugin/event/listener/unregister?eventTypes=%s", eventService.Address, eventService.Port, strings.Join(eventtypes, ",")) + b := SN{ + ServiceName: serviceName, + } r, err := httputils.Delete(url, &httputils.Params{ - Body: plugin_client.PluginInfo, + Body: b, }) if err != nil { return err @@ -110,15 +122,18 @@ func UnListenEvent(eventTypes []int) error { } // 插件服务退出,取消注册所有本插件的event事件监听 -func UnPluginListenEvent() error { - eventServer, err := eventPluginServer() +func UnPluginListenEvent(serviceName string) error { + eventService, err := plugin_client.Registry.Get("event-service") if err != nil { return err } - url := eventServer + "/plugin/event/listener/unpluginRegister" + url := fmt.Sprintf("http://%s:%s/plugin/event/listener/unpluginRegister", eventService.Address, eventService.Port) + b := SN{ + ServiceName: serviceName, + } r, err := httputils.Delete(url, &httputils.Params{ - Body: plugin_client.PluginInfo, + Body: b, }) if err != nil { return err @@ -149,11 +164,11 @@ func UnPluginListenEvent() error { // 发布event事件 func PublishEvent(msg common.EventMessage) error { - eventServer, err := eventPluginServer() + eventService, err := plugin_client.Registry.Get("event-service") if err != nil { return err } - url := eventServer + "/plugin/event/publishEvent" + url := fmt.Sprintf("http://%s:%s/plugin/event/publishEvent", eventService.Address, eventService.Port) r, err := httputils.Put(url, &httputils.Params{ Body: &msg, }) diff --git a/vendor/k8s.io/apimachinery/LICENSE b/vendor/k8s.io/apimachinery/LICENSE deleted file mode 100644 index d6456956..00000000 --- a/vendor/k8s.io/apimachinery/LICENSE +++ /dev/null @@ -1,202 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - APPENDIX: How to apply the Apache License to your work. - - To apply the Apache License to your work, attach the following - boilerplate notice, with the fields enclosed by brackets "[]" - replaced with your own identifying information. (Don't include - the brackets!) The text should be enclosed in the appropriate - comment syntax for the file format. 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/clock.go b/vendor/k8s.io/apimachinery/pkg/util/clock/clock.go deleted file mode 100644 index 1a544d3b..00000000 --- a/vendor/k8s.io/apimachinery/pkg/util/clock/clock.go +++ /dev/null @@ -1,445 +0,0 @@ -/* -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" -) - -// PassiveClock allows for injecting fake or real clocks into code -// that needs to read the current time but does not support scheduling -// activity in the future. -type PassiveClock interface { - Now() time.Time - Since(time.Time) time.Duration -} - -// Clock allows for injecting fake or real clocks into code that -// needs to do arbitrary things based on time. -type Clock interface { - PassiveClock - After(time.Duration) <-chan time.Time - AfterFunc(time.Duration, func()) Timer - NewTimer(time.Duration) Timer - Sleep(time.Duration) - NewTicker(time.Duration) Ticker -} - -// 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) -} - -// After is the same as time.After(d). -func (RealClock) After(d time.Duration) <-chan time.Time { - return time.After(d) -} - -// AfterFunc is the same as time.AfterFunc(d, f). -func (RealClock) AfterFunc(d time.Duration, f func()) Timer { - return &realTimer{ - timer: time.AfterFunc(d, f), - } -} - -// NewTimer returns a new Timer. -func (RealClock) NewTimer(d time.Duration) Timer { - return &realTimer{ - timer: time.NewTimer(d), - } -} - -// NewTicker returns a new Ticker. -func (RealClock) NewTicker(d time.Duration) Ticker { - return &realTicker{ - ticker: time.NewTicker(d), - } -} - -// Sleep pauses the RealClock for duration d. -func (RealClock) Sleep(d time.Duration) { - time.Sleep(d) -} - -// FakePassiveClock implements PassiveClock, but returns an arbitrary time. -type FakePassiveClock struct { - lock sync.RWMutex - time time.Time -} - -// FakeClock implements Clock, but returns an arbitrary time. -type FakeClock struct { - FakePassiveClock - - // 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 - afterFunc func() -} - -// NewFakePassiveClock returns a new FakePassiveClock. -func NewFakePassiveClock(t time.Time) *FakePassiveClock { - return &FakePassiveClock{ - time: t, - } -} - -// NewFakeClock returns a new FakeClock -func NewFakeClock(t time.Time) *FakeClock { - return &FakeClock{ - FakePassiveClock: *NewFakePassiveClock(t), - } -} - -// Now returns f's time. -func (f *FakePassiveClock) Now() time.Time { - f.lock.RLock() - defer f.lock.RUnlock() - return f.time -} - -// Since returns time since the time in f. -func (f *FakePassiveClock) Since(ts time.Time) time.Duration { - f.lock.RLock() - defer f.lock.RUnlock() - return f.time.Sub(ts) -} - -// SetTime sets the time on the FakePassiveClock. -func (f *FakePassiveClock) SetTime(t time.Time) { - f.lock.Lock() - defer f.lock.Unlock() - f.time = t -} - -// After is the 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 -} - -// AfterFunc is the Fake version of time.AfterFunc(d, callback). -func (f *FakeClock) AfterFunc(d time.Duration, cb func()) 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, - afterFunc: cb, - }, - } - f.waiters = append(f.waiters, timer.waiter) - return timer -} - -// NewTimer is the 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 -} - -// NewTicker returns a new Ticker. -func (f *FakeClock) NewTicker(d time.Duration) Ticker { - 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 &fakeTicker{ - c: ch, - } -} - -// Step moves clock by Duration, notifies 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)) -} - -// SetTime sets the time on a FakeClock. -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: - default: - } - } else { - w.destChan <- t - } - - if w.afterFunc != nil { - w.afterFunc() - } - - 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 -} - -// HasWaiters returns true if After or AfterFunc 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 -} - -// Sleep pauses the FakeClock for duration d. -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) -} - -// After is currently 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") -} - -// AfterFunc is currently unimplemented, will panic. -// TODO: make interval clock use FakeClock so this can be implemented. -func (*IntervalClock) AfterFunc(d time.Duration, cb func()) Timer { - panic("IntervalClock doesn't implement AfterFunc") -} - -// NewTimer is currently 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") -} - -// NewTicker is currently unimplemented, will panic. -// TODO: make interval clock use FakeClock so this can be implemented. -func (*IntervalClock) NewTicker(d time.Duration) Ticker { - panic("IntervalClock doesn't implement NewTicker") -} - -// Sleep is currently unimplemented; will panic. -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 -} - -// 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 conditionally stops the timer. If the timer has neither fired -// nor been stopped then this call stops the timer and returns true, -// otherwise this call returns false. This is like time.Timer::Stop. -func (f *fakeTimer) Stop() bool { - f.fakeClock.lock.Lock() - defer f.fakeClock.lock.Unlock() - // The timer has already fired or been stopped, unless it is found - // among the clock's waiters. - stopped := false - oldWaiters := f.fakeClock.waiters - newWaiters := make([]fakeClockWaiter, 0, len(oldWaiters)) - seekChan := f.waiter.destChan - for i := range oldWaiters { - // Identify the timer's fakeClockWaiter by the identity of the - // destination channel, nothing else is necessarily unique and - // constant since the timer's creation. - if oldWaiters[i].destChan == seekChan { - stopped = true - } else { - newWaiters = append(newWaiters, oldWaiters[i]) - } - } - - f.fakeClock.waiters = newWaiters - - return stopped -} - -// Reset conditionally updates the firing time of the timer. If the -// timer has neither fired nor been stopped then this call resets the -// timer to the fake clock's "now" + d and returns true, otherwise -// it creates a new waiter, adds it to the clock, and returns true. -// -// It is not possible to return false, because a fake timer can be reset -// from any state (waiting to fire, already fired, and stopped). -// -// See the GoDoc for time.Timer::Reset for more context on why -// the return value of Reset() is not useful. -func (f *fakeTimer) Reset(d time.Duration) bool { - f.fakeClock.lock.Lock() - defer f.fakeClock.lock.Unlock() - waiters := f.fakeClock.waiters - seekChan := f.waiter.destChan - for i := range waiters { - if waiters[i].destChan == seekChan { - waiters[i].targetTime = f.fakeClock.time.Add(d) - return true - } - } - // No existing waiter, timer has already fired or been reset. - // We should still enable Reset() to succeed by creating a - // new waiter and adding it to the clock's waiters. - newWaiter := fakeClockWaiter{ - targetTime: f.fakeClock.time.Add(d), - destChan: seekChan, - } - f.fakeClock.waiters = append(f.fakeClock.waiters, newWaiter) - return true -} - -// Ticker defines the Ticker interface -type Ticker interface { - C() <-chan time.Time - Stop() -} - -type realTicker struct { - ticker *time.Ticker -} - -func (t *realTicker) C() <-chan time.Time { - return t.ticker.C -} - -func (t *realTicker) Stop() { - t.ticker.Stop() -} - -type fakeTicker struct { - c <-chan time.Time -} - -func (t *fakeTicker) C() <-chan time.Time { - return t.c -} - -func (t *fakeTicker) Stop() { -} diff --git a/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go b/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go deleted file mode 100644 index 035c5281..00000000 --- a/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go +++ /dev/null @@ -1,173 +0,0 @@ -/* -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 runtime - -import ( - "fmt" - "net/http" - "runtime" - "sync" - "time" - - "k8s.io/klog/v2" -) - -var ( - // ReallyCrash controls the behavior of HandleCrash and now defaults - // true. It's still exposed so components can optionally set to false - // to restore prior behavior. - ReallyCrash = true -) - -// PanicHandlers is a list of functions which will be invoked when a panic happens. -var PanicHandlers = []func(interface{}){logPanic} - -// HandleCrash simply catches a crash and logs an error. Meant to be called via -// defer. Additional context-specific handlers can be provided, and will be -// called in case of panic. HandleCrash actually crashes, after calling the -// handlers and logging the panic message. -// -// E.g., you can provide one or more additional handlers for something like shutting down go routines gracefully. -func HandleCrash(additionalHandlers ...func(interface{})) { - if r := recover(); r != nil { - for _, fn := range PanicHandlers { - fn(r) - } - for _, fn := range additionalHandlers { - fn(r) - } - if ReallyCrash { - // Actually proceed to panic. - panic(r) - } - } -} - -// logPanic logs the caller tree when a panic occurs (except in the special case of http.ErrAbortHandler). -func logPanic(r interface{}) { - if r == http.ErrAbortHandler { - // honor the http.ErrAbortHandler sentinel panic value: - // ErrAbortHandler is a sentinel panic value to abort a handler. - // While any panic from ServeHTTP aborts the response to the client, - // panicking with ErrAbortHandler also suppresses logging of a stack trace to the server's error log. - return - } - - // Same as stdlib http server code. Manually allocate stack trace buffer size - // to prevent excessively large logs - const size = 64 << 10 - stacktrace := make([]byte, size) - stacktrace = stacktrace[:runtime.Stack(stacktrace, false)] - if _, ok := r.(string); ok { - klog.Errorf("Observed a panic: %s\n%s", r, stacktrace) - } else { - klog.Errorf("Observed a panic: %#v (%v)\n%s", r, r, stacktrace) - } -} - -// ErrorHandlers is a list of functions which will be invoked when a nonreturnable -// error occurs. -// TODO(lavalamp): for testability, this and the below HandleError function -// should be packaged up into a testable and reusable object. -var ErrorHandlers = []func(error){ - logError, - (&rudimentaryErrorBackoff{ - lastErrorTime: time.Now(), - // 1ms was the number folks were able to stomach as a global rate limit. - // If you need to log errors more than 1000 times a second you - // should probably consider fixing your code instead. :) - minPeriod: time.Millisecond, - }).OnError, -} - -// HandlerError is a method to invoke when a non-user facing piece of code cannot -// return an error and needs to indicate it has been ignored. Invoking this method -// is preferable to logging the error - the default behavior is to log but the -// errors may be sent to a remote server for analysis. -func HandleError(err error) { - // this is sometimes called with a nil error. We probably shouldn't fail and should do nothing instead - if err == nil { - return - } - - for _, fn := range ErrorHandlers { - fn(err) - } -} - -// logError prints an error with the call stack of the location it was reported -func logError(err error) { - klog.ErrorDepth(2, err) -} - -type rudimentaryErrorBackoff struct { - minPeriod time.Duration // immutable - // TODO(lavalamp): use the clock for testability. Need to move that - // package for that to be accessible here. - lastErrorTimeLock sync.Mutex - lastErrorTime time.Time -} - -// OnError will block if it is called more often than the embedded period time. -// This will prevent overly tight hot error loops. -func (r *rudimentaryErrorBackoff) OnError(error) { - r.lastErrorTimeLock.Lock() - defer r.lastErrorTimeLock.Unlock() - d := time.Since(r.lastErrorTime) - if d < r.minPeriod { - // If the time moves backwards for any reason, do nothing - time.Sleep(r.minPeriod - d) - } - r.lastErrorTime = time.Now() -} - -// GetCaller returns the caller of the function that calls it. -func GetCaller() string { - var pc [1]uintptr - runtime.Callers(3, pc[:]) - f := runtime.FuncForPC(pc[0]) - if f == nil { - return fmt.Sprintf("Unable to find caller") - } - return f.Name() -} - -// RecoverFromPanic replaces the specified error with an error containing the -// original error, and the call tree when a panic occurs. This enables error -// handlers to handle errors and panics the same way. -func RecoverFromPanic(err *error) { - if r := recover(); r != nil { - // Same as stdlib http server code. Manually allocate stack trace buffer size - // to prevent excessively large logs - const size = 64 << 10 - stacktrace := make([]byte, size) - stacktrace = stacktrace[:runtime.Stack(stacktrace, false)] - - *err = fmt.Errorf( - "recovered from panic %q. (err=%v) Call stack:\n%s", - r, - *err, - stacktrace) - } -} - -// Must panics on non-nil errors. Useful to handling programmer level errors. -func Must(err error) { - if err != nil { - panic(err) - } -} diff --git a/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go b/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go deleted file mode 100644 index 3f0c968e..00000000 --- a/vendor/k8s.io/apimachinery/pkg/util/wait/doc.go +++ /dev/null @@ -1,19 +0,0 @@ -/* -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 wait provides tools for polling or listening for changes -// to a condition. -package wait // import "k8s.io/apimachinery/pkg/util/wait" diff --git a/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go b/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go deleted file mode 100644 index afb24876..00000000 --- a/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go +++ /dev/null @@ -1,752 +0,0 @@ -/* -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 wait - -import ( - "context" - "errors" - "math" - "math/rand" - "sync" - "time" - - "k8s.io/apimachinery/pkg/util/clock" - "k8s.io/apimachinery/pkg/util/runtime" -) - -// For any test of the style: -// ... -// <- time.After(timeout): -// t.Errorf("Timed out") -// The value for timeout should effectively be "forever." Obviously we don't want our tests to truly lock up forever, but 30s -// is long enough that it is effectively forever for the things that can slow down a run on a heavily contended machine -// (GC, seeks, etc), but not so long as to make a developer ctrl-c a test run if they do happen to break that test. -var ForeverTestTimeout = time.Second * 30 - -// NeverStop may be passed to Until to make it never stop. -var NeverStop <-chan struct{} = make(chan struct{}) - -// Group allows to start a group of goroutines and wait for their completion. -type Group struct { - wg sync.WaitGroup -} - -func (g *Group) Wait() { - g.wg.Wait() -} - -// StartWithChannel starts f in a new goroutine in the group. -// stopCh is passed to f as an argument. f should stop when stopCh is available. -func (g *Group) StartWithChannel(stopCh <-chan struct{}, f func(stopCh <-chan struct{})) { - g.Start(func() { - f(stopCh) - }) -} - -// StartWithContext starts f in a new goroutine in the group. -// ctx is passed to f as an argument. f should stop when ctx.Done() is available. -func (g *Group) StartWithContext(ctx context.Context, f func(context.Context)) { - g.Start(func() { - f(ctx) - }) -} - -// Start starts f in a new goroutine in the group. -func (g *Group) Start(f func()) { - g.wg.Add(1) - go func() { - defer g.wg.Done() - f() - }() -} - -// Forever calls f every period for ever. -// -// Forever is syntactic sugar on top of Until. -func Forever(f func(), period time.Duration) { - Until(f, period, NeverStop) -} - -// Until loops until stop channel is closed, running f every period. -// -// Until is syntactic sugar on top of JitterUntil with zero jitter factor and -// with sliding = true (which means the timer for period starts after the f -// completes). -func Until(f func(), period time.Duration, stopCh <-chan struct{}) { - JitterUntil(f, period, 0.0, true, stopCh) -} - -// UntilWithContext loops until context is done, running f every period. -// -// UntilWithContext is syntactic sugar on top of JitterUntilWithContext -// with zero jitter factor and with sliding = true (which means the timer -// for period starts after the f completes). -func UntilWithContext(ctx context.Context, f func(context.Context), period time.Duration) { - JitterUntilWithContext(ctx, f, period, 0.0, true) -} - -// NonSlidingUntil loops until stop channel is closed, running f every -// period. -// -// NonSlidingUntil is syntactic sugar on top of JitterUntil with zero jitter -// factor, with sliding = false (meaning the timer for period starts at the same -// time as the function starts). -func NonSlidingUntil(f func(), period time.Duration, stopCh <-chan struct{}) { - JitterUntil(f, period, 0.0, false, stopCh) -} - -// NonSlidingUntilWithContext loops until context is done, running f every -// period. -// -// NonSlidingUntilWithContext is syntactic sugar on top of JitterUntilWithContext -// with zero jitter factor, with sliding = false (meaning the timer for period -// starts at the same time as the function starts). -func NonSlidingUntilWithContext(ctx context.Context, f func(context.Context), period time.Duration) { - JitterUntilWithContext(ctx, f, period, 0.0, false) -} - -// JitterUntil loops until stop channel is closed, running f every period. -// -// If jitterFactor is positive, the period is jittered before every run of f. -// If jitterFactor is not positive, the period is unchanged and not jittered. -// -// If sliding is true, the period is computed after f runs. If it is false then -// period includes the runtime for f. -// -// Close stopCh to stop. f may not be invoked if stop channel is already -// closed. Pass NeverStop to if you don't want it stop. -func JitterUntil(f func(), period time.Duration, jitterFactor float64, sliding bool, stopCh <-chan struct{}) { - BackoffUntil(f, NewJitteredBackoffManager(period, jitterFactor, &clock.RealClock{}), sliding, stopCh) -} - -// BackoffUntil loops until stop channel is closed, run f every duration given by BackoffManager. -// -// If sliding is true, the period is computed after f runs. If it is false then -// period includes the runtime for f. -func BackoffUntil(f func(), backoff BackoffManager, sliding bool, stopCh <-chan struct{}) { - var t clock.Timer - for { - select { - case <-stopCh: - return - default: - } - - if !sliding { - t = backoff.Backoff() - } - - func() { - defer runtime.HandleCrash() - f() - }() - - if sliding { - t = backoff.Backoff() - } - - // NOTE: b/c there is no priority selection in golang - // it is possible for this to race, meaning we could - // trigger t.C and stopCh, and t.C select falls through. - // In order to mitigate we re-check stopCh at the beginning - // of every loop to prevent extra executions of f(). - select { - case <-stopCh: - return - case <-t.C(): - } - } -} - -// JitterUntilWithContext loops until context is done, running f every period. -// -// If jitterFactor is positive, the period is jittered before every run of f. -// If jitterFactor is not positive, the period is unchanged and not jittered. -// -// If sliding is true, the period is computed after f runs. If it is false then -// period includes the runtime for f. -// -// Cancel context to stop. f may not be invoked if context is already expired. -func JitterUntilWithContext(ctx context.Context, f func(context.Context), period time.Duration, jitterFactor float64, sliding bool) { - JitterUntil(func() { f(ctx) }, period, jitterFactor, sliding, ctx.Done()) -} - -// Jitter returns a time.Duration between duration and duration + maxFactor * -// duration. -// -// This allows clients to avoid converging on periodic behavior. If maxFactor -// is 0.0, a suggested default value will be chosen. -func Jitter(duration time.Duration, maxFactor float64) time.Duration { - if maxFactor <= 0.0 { - maxFactor = 1.0 - } - wait := duration + time.Duration(rand.Float64()*maxFactor*float64(duration)) - return wait -} - -// ErrWaitTimeout is returned when the condition exited without success. -var ErrWaitTimeout = errors.New("timed out waiting for the condition") - -// ConditionFunc returns true if the condition is satisfied, or an error -// if the loop should be aborted. -type ConditionFunc func() (done bool, err error) - -// ConditionWithContextFunc returns true if the condition is satisfied, or an error -// if the loop should be aborted. -// -// The caller passes along a context that can be used by the condition function. -type ConditionWithContextFunc func(context.Context) (done bool, err error) - -// WithContext converts a ConditionFunc into a ConditionWithContextFunc -func (cf ConditionFunc) WithContext() ConditionWithContextFunc { - return func(context.Context) (done bool, err error) { - return cf() - } -} - -// runConditionWithCrashProtection runs a ConditionFunc with crash protection -func runConditionWithCrashProtection(condition ConditionFunc) (bool, error) { - return runConditionWithCrashProtectionWithContext(context.TODO(), condition.WithContext()) -} - -// runConditionWithCrashProtectionWithContext runs a -// ConditionWithContextFunc with crash protection. -func runConditionWithCrashProtectionWithContext(ctx context.Context, condition ConditionWithContextFunc) (bool, error) { - defer runtime.HandleCrash() - return condition(ctx) -} - -// Backoff holds parameters applied to a Backoff function. -type Backoff struct { - // The initial duration. - Duration time.Duration - // Duration is multiplied by factor each iteration, if factor is not zero - // and the limits imposed by Steps and Cap have not been reached. - // Should not be negative. - // The jitter does not contribute to the updates to the duration parameter. - Factor float64 - // The sleep at each iteration is the duration plus an additional - // amount chosen uniformly at random from the interval between - // zero and `jitter*duration`. - Jitter float64 - // The remaining number of iterations in which the duration - // parameter may change (but progress can be stopped earlier by - // hitting the cap). If not positive, the duration is not - // changed. Used for exponential backoff in combination with - // Factor and Cap. - Steps int - // A limit on revised values of the duration parameter. If a - // multiplication by the factor parameter would make the duration - // exceed the cap then the duration is set to the cap and the - // steps parameter is set to zero. - Cap time.Duration -} - -// Step (1) returns an amount of time to sleep determined by the -// original Duration and Jitter and (2) mutates the provided Backoff -// to update its Steps and Duration. -func (b *Backoff) Step() time.Duration { - if b.Steps < 1 { - if b.Jitter > 0 { - return Jitter(b.Duration, b.Jitter) - } - return b.Duration - } - b.Steps-- - - duration := b.Duration - - // calculate the next step - if b.Factor != 0 { - b.Duration = time.Duration(float64(b.Duration) * b.Factor) - if b.Cap > 0 && b.Duration > b.Cap { - b.Duration = b.Cap - b.Steps = 0 - } - } - - if b.Jitter > 0 { - duration = Jitter(duration, b.Jitter) - } - return duration -} - -// contextForChannel derives a child context from a parent channel. -// -// The derived context's Done channel is closed when the returned cancel function -// is called or when the parent channel is closed, whichever happens first. -// -// Note the caller must *always* call the CancelFunc, otherwise resources may be leaked. -func contextForChannel(parentCh <-chan struct{}) (context.Context, context.CancelFunc) { - ctx, cancel := context.WithCancel(context.Background()) - - go func() { - select { - case <-parentCh: - cancel() - case <-ctx.Done(): - } - }() - return ctx, cancel -} - -// BackoffManager manages backoff with a particular scheme based on its underlying implementation. It provides -// an interface to return a timer for backoff, and caller shall backoff until Timer.C() drains. If the second Backoff() -// is called before the timer from the first Backoff() call finishes, the first timer will NOT be drained and result in -// undetermined behavior. -// The BackoffManager is supposed to be called in a single-threaded environment. -type BackoffManager interface { - Backoff() clock.Timer -} - -type exponentialBackoffManagerImpl struct { - backoff *Backoff - backoffTimer clock.Timer - lastBackoffStart time.Time - initialBackoff time.Duration - backoffResetDuration time.Duration - clock clock.Clock -} - -// NewExponentialBackoffManager returns a manager for managing exponential backoff. Each backoff is jittered and -// backoff will not exceed the given max. If the backoff is not called within resetDuration, the backoff is reset. -// This backoff manager is used to reduce load during upstream unhealthiness. -func NewExponentialBackoffManager(initBackoff, maxBackoff, resetDuration time.Duration, backoffFactor, jitter float64, c clock.Clock) BackoffManager { - return &exponentialBackoffManagerImpl{ - backoff: &Backoff{ - Duration: initBackoff, - Factor: backoffFactor, - Jitter: jitter, - - // the current impl of wait.Backoff returns Backoff.Duration once steps are used up, which is not - // what we ideally need here, we set it to max int and assume we will never use up the steps - Steps: math.MaxInt32, - Cap: maxBackoff, - }, - backoffTimer: nil, - initialBackoff: initBackoff, - lastBackoffStart: c.Now(), - backoffResetDuration: resetDuration, - clock: c, - } -} - -func (b *exponentialBackoffManagerImpl) getNextBackoff() time.Duration { - if b.clock.Now().Sub(b.lastBackoffStart) > b.backoffResetDuration { - b.backoff.Steps = math.MaxInt32 - b.backoff.Duration = b.initialBackoff - } - b.lastBackoffStart = b.clock.Now() - return b.backoff.Step() -} - -// Backoff implements BackoffManager.Backoff, it returns a timer so caller can block on the timer for exponential backoff. -// The returned timer must be drained before calling Backoff() the second time -func (b *exponentialBackoffManagerImpl) Backoff() clock.Timer { - if b.backoffTimer == nil { - b.backoffTimer = b.clock.NewTimer(b.getNextBackoff()) - } else { - b.backoffTimer.Reset(b.getNextBackoff()) - } - return b.backoffTimer -} - -type jitteredBackoffManagerImpl struct { - clock clock.Clock - duration time.Duration - jitter float64 - backoffTimer clock.Timer -} - -// NewJitteredBackoffManager returns a BackoffManager that backoffs with given duration plus given jitter. If the jitter -// is negative, backoff will not be jittered. -func NewJitteredBackoffManager(duration time.Duration, jitter float64, c clock.Clock) BackoffManager { - return &jitteredBackoffManagerImpl{ - clock: c, - duration: duration, - jitter: jitter, - backoffTimer: nil, - } -} - -func (j *jitteredBackoffManagerImpl) getNextBackoff() time.Duration { - jitteredPeriod := j.duration - if j.jitter > 0.0 { - jitteredPeriod = Jitter(j.duration, j.jitter) - } - return jitteredPeriod -} - -// Backoff implements BackoffManager.Backoff, it returns a timer so caller can block on the timer for jittered backoff. -// The returned timer must be drained before calling Backoff() the second time -func (j *jitteredBackoffManagerImpl) Backoff() clock.Timer { - backoff := j.getNextBackoff() - if j.backoffTimer == nil { - j.backoffTimer = j.clock.NewTimer(backoff) - } else { - j.backoffTimer.Reset(backoff) - } - return j.backoffTimer -} - -// ExponentialBackoff repeats a condition check with exponential backoff. -// -// It repeatedly checks the condition and then sleeps, using `backoff.Step()` -// to determine the length of the sleep and adjust Duration and Steps. -// Stops and returns as soon as: -// 1. the condition check returns true or an error, -// 2. `backoff.Steps` checks of the condition have been done, or -// 3. a sleep truncated by the cap on duration has been completed. -// In case (1) the returned error is what the condition function returned. -// In all other cases, ErrWaitTimeout is returned. -func ExponentialBackoff(backoff Backoff, condition ConditionFunc) error { - for backoff.Steps > 0 { - if ok, err := runConditionWithCrashProtection(condition); err != nil || ok { - return err - } - if backoff.Steps == 1 { - break - } - time.Sleep(backoff.Step()) - } - return ErrWaitTimeout -} - -// Poll tries a condition func until it returns true, an error, or the timeout -// is reached. -// -// Poll always waits the interval before the run of 'condition'. -// 'condition' will always be invoked at least once. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -// -// If you want to Poll something forever, see PollInfinite. -func Poll(interval, timeout time.Duration, condition ConditionFunc) error { - return PollWithContext(context.Background(), interval, timeout, condition.WithContext()) -} - -// PollWithContext tries a condition func until it returns true, an error, -// or when the context expires or the timeout is reached, whichever -// happens first. -// -// PollWithContext always waits the interval before the run of 'condition'. -// 'condition' will always be invoked at least once. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -// -// If you want to Poll something forever, see PollInfinite. -func PollWithContext(ctx context.Context, interval, timeout time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, false, poller(interval, timeout), condition) -} - -// PollUntil tries a condition func until it returns true, an error or stopCh is -// closed. -// -// PollUntil always waits interval before the first run of 'condition'. -// 'condition' will always be invoked at least once. -func PollUntil(interval time.Duration, condition ConditionFunc, stopCh <-chan struct{}) error { - ctx, cancel := contextForChannel(stopCh) - defer cancel() - return PollUntilWithContext(ctx, interval, condition.WithContext()) -} - -// PollUntilWithContext tries a condition func until it returns true, -// an error or the specified context is cancelled or expired. -// -// PollUntilWithContext always waits interval before the first run of 'condition'. -// 'condition' will always be invoked at least once. -func PollUntilWithContext(ctx context.Context, interval time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, false, poller(interval, 0), condition) -} - -// PollInfinite tries a condition func until it returns true or an error -// -// PollInfinite always waits the interval before the run of 'condition'. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -func PollInfinite(interval time.Duration, condition ConditionFunc) error { - return PollInfiniteWithContext(context.Background(), interval, condition.WithContext()) -} - -// PollInfiniteWithContext tries a condition func until it returns true or an error -// -// PollInfiniteWithContext always waits the interval before the run of 'condition'. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -func PollInfiniteWithContext(ctx context.Context, interval time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, false, poller(interval, 0), condition) -} - -// PollImmediate tries a condition func until it returns true, an error, or the timeout -// is reached. -// -// PollImmediate always checks 'condition' before waiting for the interval. 'condition' -// will always be invoked at least once. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -// -// If you want to immediately Poll something forever, see PollImmediateInfinite. -func PollImmediate(interval, timeout time.Duration, condition ConditionFunc) error { - return PollImmediateWithContext(context.Background(), interval, timeout, condition.WithContext()) -} - -// PollImmediateWithContext tries a condition func until it returns true, an error, -// or the timeout is reached or the specified context expires, whichever happens first. -// -// PollImmediateWithContext always checks 'condition' before waiting for the interval. -// 'condition' will always be invoked at least once. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -// -// If you want to immediately Poll something forever, see PollImmediateInfinite. -func PollImmediateWithContext(ctx context.Context, interval, timeout time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, true, poller(interval, timeout), condition) -} - -// PollImmediateUntil tries a condition func until it returns true, an error or stopCh is closed. -// -// PollImmediateUntil runs the 'condition' before waiting for the interval. -// 'condition' will always be invoked at least once. -func PollImmediateUntil(interval time.Duration, condition ConditionFunc, stopCh <-chan struct{}) error { - ctx, cancel := contextForChannel(stopCh) - defer cancel() - return PollImmediateUntilWithContext(ctx, interval, condition.WithContext()) -} - -// PollImmediateUntilWithContext tries a condition func until it returns true, -// an error or the specified context is cancelled or expired. -// -// PollImmediateUntilWithContext runs the 'condition' before waiting for the interval. -// 'condition' will always be invoked at least once. -func PollImmediateUntilWithContext(ctx context.Context, interval time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, true, poller(interval, 0), condition) -} - -// PollImmediateInfinite tries a condition func until it returns true or an error -// -// PollImmediateInfinite runs the 'condition' before waiting for the interval. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -func PollImmediateInfinite(interval time.Duration, condition ConditionFunc) error { - return PollImmediateInfiniteWithContext(context.Background(), interval, condition.WithContext()) -} - -// PollImmediateInfiniteWithContext tries a condition func until it returns true -// or an error or the specified context gets cancelled or expired. -// -// PollImmediateInfiniteWithContext runs the 'condition' before waiting for the interval. -// -// Some intervals may be missed if the condition takes too long or the time -// window is too short. -func PollImmediateInfiniteWithContext(ctx context.Context, interval time.Duration, condition ConditionWithContextFunc) error { - return poll(ctx, true, poller(interval, 0), condition) -} - -// Internally used, each of the the public 'Poll*' function defined in this -// package should invoke this internal function with appropriate parameters. -// ctx: the context specified by the caller, for infinite polling pass -// a context that never gets cancelled or expired. -// immediate: if true, the 'condition' will be invoked before waiting for the interval, -// in this case 'condition' will always be invoked at least once. -// wait: user specified WaitFunc function that controls at what interval the condition -// function should be invoked periodically and whether it is bound by a timeout. -// condition: user specified ConditionWithContextFunc function. -func poll(ctx context.Context, immediate bool, wait WaitWithContextFunc, condition ConditionWithContextFunc) error { - if immediate { - done, err := runConditionWithCrashProtectionWithContext(ctx, condition) - if err != nil { - return err - } - if done { - return nil - } - } - - select { - case <-ctx.Done(): - // returning ctx.Err() will break backward compatibility - return ErrWaitTimeout - default: - return WaitForWithContext(ctx, wait, condition) - } -} - -// WaitFunc creates a channel that receives an item every time a test -// should be executed and is closed when the last test should be invoked. -type WaitFunc func(done <-chan struct{}) <-chan struct{} - -// WithContext converts the WaitFunc to an equivalent WaitWithContextFunc -func (w WaitFunc) WithContext() WaitWithContextFunc { - return func(ctx context.Context) <-chan struct{} { - return w(ctx.Done()) - } -} - -// WaitWithContextFunc creates a channel that receives an item every time a test -// should be executed and is closed when the last test should be invoked. -// -// When the specified context gets cancelled or expires the function -// stops sending item and returns immediately. -type WaitWithContextFunc func(ctx context.Context) <-chan struct{} - -// WaitFor continually checks 'fn' as driven by 'wait'. -// -// WaitFor gets a channel from 'wait()'', and then invokes 'fn' once for every value -// placed on the channel and once more when the channel is closed. If the channel is closed -// and 'fn' returns false without error, WaitFor returns ErrWaitTimeout. -// -// If 'fn' returns an error the loop ends and that error is returned. If -// 'fn' returns true the loop ends and nil is returned. -// -// ErrWaitTimeout will be returned if the 'done' channel is closed without fn ever -// returning true. -// -// When the done channel is closed, because the golang `select` statement is -// "uniform pseudo-random", the `fn` might still run one or multiple time, -// though eventually `WaitFor` will return. -func WaitFor(wait WaitFunc, fn ConditionFunc, done <-chan struct{}) error { - ctx, cancel := contextForChannel(done) - defer cancel() - return WaitForWithContext(ctx, wait.WithContext(), fn.WithContext()) -} - -// WaitForWithContext continually checks 'fn' as driven by 'wait'. -// -// WaitForWithContext gets a channel from 'wait()'', and then invokes 'fn' -// once for every value placed on the channel and once more when the -// channel is closed. If the channel is closed and 'fn' -// returns false without error, WaitForWithContext returns ErrWaitTimeout. -// -// If 'fn' returns an error the loop ends and that error is returned. If -// 'fn' returns true the loop ends and nil is returned. -// -// context.Canceled will be returned if the ctx.Done() channel is closed -// without fn ever returning true. -// -// When the ctx.Done() channel is closed, because the golang `select` statement is -// "uniform pseudo-random", the `fn` might still run one or multiple times, -// though eventually `WaitForWithContext` will return. -func WaitForWithContext(ctx context.Context, wait WaitWithContextFunc, fn ConditionWithContextFunc) error { - waitCtx, cancel := context.WithCancel(context.Background()) - defer cancel() - c := wait(waitCtx) - for { - select { - case _, open := <-c: - ok, err := runConditionWithCrashProtectionWithContext(ctx, fn) - if err != nil { - return err - } - if ok { - return nil - } - if !open { - return ErrWaitTimeout - } - case <-ctx.Done(): - // returning ctx.Err() will break backward compatibility - return ErrWaitTimeout - } - } -} - -// poller returns a WaitFunc that will send to the channel every interval until -// timeout has elapsed and then closes the channel. -// -// Over very short intervals you may receive no ticks before the channel is -// closed. A timeout of 0 is interpreted as an infinity, and in such a case -// it would be the caller's responsibility to close the done channel. -// Failure to do so would result in a leaked goroutine. -// -// Output ticks are not buffered. If the channel is not ready to receive an -// item, the tick is skipped. -func poller(interval, timeout time.Duration) WaitWithContextFunc { - return WaitWithContextFunc(func(ctx context.Context) <-chan struct{} { - ch := make(chan struct{}) - - go func() { - defer close(ch) - - tick := time.NewTicker(interval) - defer tick.Stop() - - var after <-chan time.Time - if timeout != 0 { - // time.After is more convenient, but it - // potentially leaves timers around much longer - // than necessary if we exit early. - timer := time.NewTimer(timeout) - after = timer.C - defer timer.Stop() - } - - for { - select { - case <-tick.C: - // If the consumer isn't ready for this signal drop it and - // check the other channels. - select { - case ch <- struct{}{}: - default: - } - case <-after: - return - case <-ctx.Done(): - return - } - } - }() - - return ch - }) -} - -// ExponentialBackoffWithContext works with a request context and a Backoff. It ensures that the retry wait never -// exceeds the deadline specified by the request context. -func ExponentialBackoffWithContext(ctx context.Context, backoff Backoff, condition ConditionFunc) error { - for backoff.Steps > 0 { - select { - case <-ctx.Done(): - return ctx.Err() - default: - } - - if ok, err := runConditionWithCrashProtection(condition); err != nil || ok { - return err - } - - if backoff.Steps == 1 { - break - } - - waitBeforeRetry := backoff.Step() - select { - case <-ctx.Done(): - return ctx.Err() - case <-time.After(waitBeforeRetry): - } - } - - return ErrWaitTimeout -} diff --git a/vendor/modules.txt b/vendor/modules.txt index aebf8ab8..9137c1f7 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -6,7 +6,7 @@ dario.cat/mergo ## explicit; go 1.20 filippo.io/edwards25519 filippo.io/edwards25519/field -# gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20241204130048-1bc7cc64986f +# gitee.com/openeuler/PilotGo-plugins/event/sdk v0.0.0-20250822093058-f48c8d19e0b3 ## explicit; go 1.20 gitee.com/openeuler/PilotGo-plugins/event/sdk # gitee.com/openeuler/PilotGo/sdk v0.0.0-20250121031234-c5439c613a24 => ./sdk @@ -1352,11 +1352,6 @@ gorm.io/plugin/dbresolver # howett.net/plist v1.0.0 ## explicit; go 1.12 howett.net/plist -# k8s.io/apimachinery v0.22.1 -## explicit; go 1.16 -k8s.io/apimachinery/pkg/util/clock -k8s.io/apimachinery/pkg/util/runtime -k8s.io/apimachinery/pkg/util/wait # k8s.io/klog/v2 v2.130.1 ## explicit; go 1.18 k8s.io/klog/v2 -- Gitee