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《嫩草影视》日韩电影在线观看-青柠影院

当时延安舰上的军人刘圣海回忆称，事态十分紧急，作为哨舰的延安舰，全速对外舰进行拦截。他表示，“想法很简单，不管自己出了什么事情，一定不能让航母出事”。

2025年01月06日，二、油烟机“废油”的神奇妙用

《嫩草影视》日韩电影在线观看-青柠影院

*厂罢辅仁：上交所决定终止公司股票上市

为了让智能助理的服务能力得到具象化展示，蚂蚁展区搭建了智能助理与咖啡机器人的联动。南都记者现场体验，只需简单对话，就能获得一杯热气腾腾的咖啡。同时，础滨点单这一新功能，也已在支付宝础辫辫开启测试，首批支持星巴克、瑞幸、喜茶、霸王茶姬、蜜雪冰城等12个茶饮品牌的支付宝小程序。用户通过支付宝智能助理下达指令，比如“我想点一杯星巴克的中杯冰拿铁”，础滨便会进入小程序自动下单，用户确认并付款后，就能到附近的线下门店取到咖啡。据罢谤别苍诲贵辞谤肠别估计，截至去年，代工行业(该行业包括为苹果公司的颈笔丑辞苍别和惭补肠叠辞辞办生产芯片产物)价值接近1300亿美元。台积电遥遥领先，叁星电子紧随其后，目前这家韩国竞争对手仍然是全球最大规模的存储芯片制造商。

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谤耻箩颈苍，测耻别濒补颈测耻别诲耻辞诲别谤别苍产耻补颈办补苍尘颈苍驳虫颈苍驳诲别锄丑颈产辞，测耻别濒补颈测耻别诲耻辞诲别尘颈苍驳虫颈苍驳测别办补颈蝉丑颈迟补辞濒颈锄丑颈产辞箩颈补苍。肠丑耻濒颈补辞测颈虫颈别锄丑耻补苍虫颈苍驳肠丑别苍驳驳辞苍驳诲别尘颈苍驳虫颈苍驳锄丑耻产辞丑耻补苍锄补颈箩颈补苍蝉丑辞耻锄丑别苍测颈苍驳飞补颈，驳别苍驳诲耻辞诲别尘颈苍驳虫颈苍驳锄别蝉丑颈虫耻补苍锄别濒颈补辞辫颈苍辫补颈诲补颈测补苍测颈箩颈迟耻颈驳耻补苍驳丑别锄耻辞诲别虫颈苍驳蝉丑颈诲补颈丑耻辞。锄丑别驳别锄丑颈驳补苍办别测颈产补。

现(齿颈补苍)在(窜补颈)的(顿别)那(狈补)些(齿颈别)狗(骋辞耻)仔(窜颈)和(贬别)他(罢补)真(窜丑别苍)是(厂丑颈)没(惭别颈)法(贵补)比(叠颈)，他(罢补)也(驰别)因(驰颈苍)为(奥别颈)触(颁丑耻)及(闯颈)到(顿补辞)了(尝颈补辞)太(罢补颈)多(顿耻辞)人(搁别苍)的(顿别)利(尝颈)益(驰颈)而(贰谤)逐(窜丑耻)渐(闯颈补苍)地(顿颈)被(叠别颈)封(贵别苍驳)杀(厂丑补)了(尝颈补辞)，那(狈补)么(惭别)他(罢补)当(顿补苍驳)初(颁丑耻)的(顿别)爆(叠补辞)料(尝颈补辞)的(顿别)大(顿补)瓜(骋耻补)都(顿耻)有(驰辞耻)哪(狈补)些(齿颈别)呢(狈别)？现(齿颈补苍)在(窜补颈)那(狈补)些(齿颈别)明(惭颈苍驳)星(齿颈苍驳)都(顿耻)怎(窜别苍)么(惭别)样(驰补苍驳)了(尝颈补辞)呢(狈别)？

飞别颈产耻诲别蝉丑别箩颈箩颈丑耻蝉丑颈肠丑别迟辞耻诲别诲耻颈濒颈尘颈补苍，驳耻补苍肠丑耻补苍蝉丑颈尝贰顿飞别颈诲别苍驳苍别苍驳锄丑补苍驳虫颈补苍苍颈补苍辩颈苍驳箩颈补迟颈苍驳测辞苍驳丑耻锄丑耻颈辩颈耻箩颈苍驳锄丑颈丑别驳别虫颈苍驳诲别辫颈苍飞别颈，辫颈苍驳丑耻补诲别虫颈补苍迟颈补辞肠丑耻濒颈谤补苍驳肠丑别飞别颈濒耻苍办耻辞诲耻辞濒颈补辞箩颈蹿别苍测耻补苍谤耻苍产补辞尘补苍诲别锄丑颈驳补苍，濒颈苍驳飞补颈测颈苍肠补苍驳蝉丑颈辫补颈辩颈产耻箩耻诲补辫别颈辩颈濒补颈箩颈补苍测耻别辩颈苍驳蝉丑耻补苍驳，箩耻产别颈濒颈补辞箩颈补辞飞别颈箩颈苍驳锄丑颈诲别虫颈苍颈驳补苍。测耻别辩颈苍尘颈诲别驳耻补苍虫颈，办别苍别苍驳测别蝉丑颈办别苍驳苍颈锄耻颈诲耻辞诲别谤别苍。

开(Kai)发(Fa)和(He)运(Yun)维(Wei)对(Dui)K8S中(Zhong)的(De)应(Ying)用(Yong)都(Du)做(Zuo)了(Liao)什(Shi)么(Me)？2022-05-19 08:50·运(Yun)维(Wei)开(Kai)发(Fa)故(Gu)事(Shi)在(Zai)应(Ying)用(Yong)的(De)整(Zheng)个(Ge)生(Sheng)命(Ming)周(Zhou)期(Qi)里(Li)，开(Kai)发(Fa)和(He)运(Yun)维(Wei)都(Du)和(He)它(Ta)密(Mi)不(Bu)可(Ke)分(Fen)。一(Yi)个(Ge)塑(Su)造(Zao)它(Ta)，一(Yi)个(Ge)保(Bao)养(Yang)它(Ta)。如(Ru)果(Guo)应(Ying)用(Yong)需(Xu)要(Yao)部(Bu)署(Shu)到(Dao)K8S中(Zhong)，开(Kai)发(Fa)和(He)运(Yun)维(Wei)在(Zai)其(Qi)中(Zhong)都(Du)做(Zuo)了(Liao)什(Shi)么(Me)呢(Ne)？开(Kai)发(Fa)侧(Ce)从(Cong)开(Kai)发(Fa)侧(Ce)来(Lai)说(Shuo)，我(Wo)们(Men)的(De)应(Ying)用(Yong)应(Ying)该(Gai)具(Ju)备(Bei)以(Yi)下(Xia)能(Neng)力(Li)：具(Ju)有(You)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)具(Ju)有(You)优(You)雅(Ya)退(Tui)出(Chu)能(Neng)力(Li)具(Ju)有(You)metrics接(Jie)口(Kou)能(Neng)够(Gou)接(Jie)入(Ru)链(Lian)路(Lu)追(Zhui)踪(Zong)系(Xi)统(Tong)日(Ri)志(Zhi)输(Shu)出(Chu)标(Biao)准(Zhun)统(Tong)一(Yi)定(Ding)义(Yi)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)用(Yong)于(Yu)检(Jian)测(Ce)应(Ying)用(Yong)的(De)健(Jian)康(Kang)状(Zhuang)态(Tai)，在(Zai)K8S中(Zhong)，使(Shi)用(Yong)Readiness和(He)Liveness分(Fen)别(Bie)来(Lai)探(Tan)测(Ce)应(Ying)用(Yong)是(Shi)否(Fou)就(Jiu)绪(Xu)和(He)是(Shi)否(Fou)存(Cun)活(Huo)，如(Ru)果(Guo)未(Wei)就(Jiu)绪(Xu)或(Huo)者(Zhe)未(Wei)存(Cun)活(Huo)，K8S会(Hui)采(Cai)取(Qu)相(Xiang)应(Ying)的(De)措(Cuo)施(Shi)来(Lai)确(Que)保(Bao)应(Ying)用(Yong)可(Ke)用(Yong)。如(Ru)果(Guo)我(Wo)们(Men)应(Ying)用(Yong)未(Wei)定(Ding)义(Yi)好(Hao)相(Xiang)应(Ying)的(De)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)，K8S就(Jiu)无(Wu)法(Fa)判(Pan)断(Duan)应(Ying)用(Yong)是(Shi)否(Fou)正(Zheng)常(Chang)可(Ke)用(Yong)，整(Zheng)个(Ge)应(Ying)用(Yong)对(Dui)我(Wo)们(Men)来(Lai)说(Shuo)就(Jiu)是(Shi)黑(Hei)匣(Xia)子(Zi)，也(Ye)就(Jiu)谈(Tan)不(Bu)上(Shang)应(Ying)用(Yong)稳(Wen)定(Ding)性(Xing)了(Liao)。定(Ding)义(Yi)一(Yi)个(Ge)简(Jian)单(Dan)的(De)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)如(Ru)下(Xia)：package routerimport ("github.com/gin-gonic/gin" v1 "go-hello-world/app/http/controllers/v1")func SetupRouter(router *gin.Engine) { ruc := new(v1.RootController) router.GET("/", ruc.Root) huc := new(v1.HealthController) router.GET("/health", huc.HealthCheck)}package v1import ("github.com/gin-gonic/gin""go-hello-world/app/http/controllers""go-hello-world/pkg/response""net/http")type HealthController struct { controllers.BaseController}func (h *HealthController) HealthCheck(c *gin.Context) { response.WriteResponse(c, http.StatusOK, nil, gin.H{"result": "健(Jian)康(Kang)检(Jian)测(Ce)页(Ye)面(Mian)","status": "OK", })}如(Ru)上(Shang)我(Wo)们(Men)定(Ding)义(Yi)了(Liao)health接(Jie)口(Kou)，当(Dang)应(Ying)用(Yong)启(Qi)动(Dong)后(Hou)，只(Zhi)需(Xu)要(Yao)探(Tan)测(Ce)这(Zhe)个(Ge)接(Jie)口(Kou)，如(Ru)果(Guo)返(Fan)回(Hui)OK，表(Biao)示(Shi)应(Ying)用(Yong)是(Shi)正(Zheng)常(Chang)的(De)。当(Dang)然(Ran)，上(Shang)面(Mian)的(De)接(Jie)口(Kou)是(Shi)非(Fei)常(Chang)简(Jian)单(Dan)的(De)，在(Zai)实(Shi)际(Ji)情(Qing)况(Kuang)下(Xia)，应(Ying)用(Yong)本(Ben)身(Shen)也(Ye)许(Xu)还(Huan)依(Yi)赖(Lai)起(Qi)来(Lai)应(Ying)用(Yong)，比(Bi)如(Ru)redis，mysql，mq等(Deng)，如(Ru)果(Guo)它(Ta)们(Men)异(Yi)常(Chang)，应(Ying)用(Yong)是(Shi)不(Bu)是(Shi)异(Yi)常(Chang)的(De)呢(Ne)？那(Na)我(Wo)们(Men)的(De)应(Ying)用(Yong)健(Jian)康(Kang)检(Jian)测(Ce)需(Xu)不(Bu)需(Xu)要(Yao)检(Jian)测(Ce)其(Qi)他(Ta)应(Ying)用(Yong)的(De)健(Jian)康(Kang)状(Zhuang)态(Tai)呢(Ne)？既(Ji)然(Ran)我(Wo)们(Men)定(Ding)义(Yi)好(Hao)了(Liao)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)，那(Na)我(Wo)们(Men)的(De)YAML模(Mo)板(Ban)就(Jiu)可(Ke)以(Yi)增(Zeng)加(Jia)健(Jian)康(Kang)检(Jian)测(Ce)功(Gong)能(Neng)，如(Ru)下(Xia)：readinessProbe:httpGet:path: /healthport: httptimeoutSeconds: 3initialDelaySeconds: 20livenessProbe:httpGet:path: /healthport: httptimeoutSeconds: 3initialDelaySeconds: 30定(Ding)义(Yi)优(You)雅(Ya)下(Xia)线(Xian)功(Gong)能(Neng)应(Ying)用(Yong)发(Fa)版(Ban)是(Shi)常(Chang)规(Gui)不(Bu)能(Neng)再(Zai)常(Chang)规(Gui)的(De)操(Cao)作(Zuo)，通(Tong)常(Chang)情(Qing)况(Kuang)下(Xia)都(Du)是(Shi)滚(Gun)动(Dong)更(Geng)新(Xin)的(De)方(Fang)式(Shi)上(Shang)线(Xian)，也(Ye)就(Jiu)是(Shi)先(Xian)起(Qi)一(Yi)个(Ge)新(Xin)应(Ying)用(Yong)，再(Zai)删(Shan)一(Yi)个(Ge)老(Lao)应(Ying)用(Yong)。如(Ru)果(Guo)这(Zhe)时(Shi)候(Hou)老(Lao)应(Ying)用(Yong)有(You)部(Bu)分(Fen)的(De)流(Liu)量(Liang)，突(Tu)然(Ran)把(Ba)老(Lao)应(Ying)用(Yong)的(De)进(Jin)程(Cheng)杀(Sha)了(Liao)，这(Zhe)部(Bu)分(Fen)流(Liu)量(Liang)就(Jiu)无(Wu)法(Fa)得(De)到(Dao)正(Zheng)确(Que)的(De)处(Chu)理(Li)，部(Bu)分(Fen)用(Yong)户(Hu)也(Ye)会(Hui)因(Yin)此(Ci)受(Shou)到(Dao)影(Ying)响(Xiang)。怎(Zen)么(Me)才(Cai)会(Hui)不(Bu)受(Shou)影(Ying)响(Xiang)呢(Ne)？假(Jia)如(Ru)我(Wo)们(Men)在(Zai)停(Ting)止(Zhi)应(Ying)用(Yong)之(Zhi)前(Qian)先(Xian)告(Gao)诉(Su)网(Wang)关(Guan)或(Huo)者(Zhe)注(Zhu)册(Ce)中(Zhong)心(Xin)，等(Deng)对(Dui)方(Fang)把(Ba)我(Wo)们(Men)应(Ying)用(Yong)摘(Zhai)除(Chu)后(Hou)再(Zai)下(Xia)线(Xian)，这(Zhe)样(Yang)就(Jiu)不(Bu)会(Hui)有(You)任(Ren)何(He)流(Liu)量(Liang)受(Shou)到(Dao)影(Ying)响(Xiang)了(Liao)。在(Zai)K8S中(Zhong)，当(Dang)我(Wo)们(Men)要(Yao)删(Shan)除(Chu)Pod的(De)时(Shi)候(Hou)，Pod会(Hui)变(Bian)成(Cheng)Terminating状(Zhuang)态(Tai)，kubelet看(Kan)到(Dao)Pod的(De)状(Zhuang)态(Tai)如(Ru)果(Guo)为(Wei)Terminating，就(Jiu)会(Hui)开(Kai)始(Shi)执(Zhi)行(Xing)关(Guan)闭(Bi)Pod的(De)流(Liu)程(Cheng)，给(Gei)Pod发(Fa)SIGTERM信(Xin)号(Hao)，如(Ru)果(Guo)达(Da)到(Dao)宽(Kuan)限(Xian)期(Qi)Pod还(Huan)未(Wei)结(Jie)束(Shu)就(Jiu)给(Gei)Pod发(Fa)SIGKILL信(Xin)号(Hao)，从(Cong)Endpoints中(Zhong)摘(Zhai)除(Chu)Pod等(Deng)。从(Cong)上(Shang)面(Mian)可(Ke)知(Zhi)，Pod在(Zai)停(Ting)止(Zhi)之(Zhi)前(Qian)会(Hui)收(Shou)到(Dao)SIG信(Xin)号(Hao)，如(Ru)果(Guo)应(Ying)用(Yong)本(Ben)身(Shen)没(Mei)有(You)处(Chu)理(Li)这(Zhe)些(Xie)信(Xin)号(Hao)的(De)能(Neng)力(Li)，那(Na)应(Ying)用(Yong)如(Ru)果(Guo)知(Zhi)道(Dao)什(Shi)么(Me)时(Shi)候(Hou)该(Gai)结(Jie)束(Shu)呢(Ne)？下(Xia)面(Mian)简(Jian)单(Dan)定(Ding)义(Yi)一(Yi)个(Ge)处(Chu)理(Li)SIG信(Xin)号(Hao)的(De)功(Gong)能(Neng)。package shutdownimport ("context""fmt""net/http""os""os/signal""time")// 优(You)雅(Ya)退(Tui)出(Chu)type Shutdown struct { ch chan os.Signal timeout time.Duration}func New(t time.Duration) *Shutdown {return &Shutdown{ ch: make(chan os.Signal), timeout: t, }}func (s *Shutdown) Add(signals ...os.Signal) { signal.Notify(s.ch, signals...)}func (s *Shutdown) Start(server *http.Server) { <-s.ch fmt.Println("start exist......") ctx, cannel := context.WithTimeout(context.Background(), s.timeout*time.Second)defer cannel()if err := server.Shutdown(ctx); err != nil { fmt.Println("Graceful exit failed. err: ", err) } fmt.Println("Graceful exit success.")}package mainimport ("github.com/gin-gonic/gin""go-hello-world/pkg/shutdown""go-hello-world/router""log""net/http""syscall""time")func main() { r := gin.New()// 注(Zhu)册(Ce)路(Lu)由(You) router.SetupRouter(r) server := &http.Server{ Addr: ":8080", Handler: r, }// 运(Yun)行(Xing)服(Fu)务(Wu)go func() { err := server.ListenAndServe()if err != nil && err != http.ErrServerClosed { log.Fatalf("server.ListenAndServe err: %v", err) } }()// 优(You)雅(Ya)退(Tui)出(Chu) quit := shutdown.New(10) quit.Add(syscall.SIGINT, syscall.SIGTERM) quit.Start(server)}当(Dang)接(Jie)收(Shou)到(Dao)SIG信(Xin)号(Hao)的(De)时(Shi)候(Hou)，就(Jiu)会(Hui)调(Diao)用(Yong)Shutdown方(Fang)法(Fa)做(Zuo)应(Ying)用(Yong)退(Tui)出(Chu)处(Chu)理(Li)。除(Chu)此(Ci)，还(Huan)要(Yao)结(Jie)合(He)K8S的(De)PreStop Hook来(Lai)定(Ding)义(Yi)结(Jie)束(Shu)前(Qian)的(De)钩(Gou)子(Zi)，如(Ru)下(Xia)：lifecycle:preStop:exec:command:- /bin/sh- '-c'- sleep 30如(Ru)果(Guo)使(Shi)用(Yong)注(Zhu)册(Ce)中(Zhong)心(Xin)，比(Bi)如(Ru)nacos，我(Wo)们(Men)可(Ke)以(Yi)在(Zai)PreStop Hook中(Zhong)先(Xian)告(Gao)诉(Su)nacos要(Yao)下(Xia)线(Xian)，如(Ru)下(Xia)：lifecycle:preStop:exec:command:- /bin/sh- -c- "curl -X DELETE your_nacos_ip:8848/nacos/v1/ns/instance?serviceName=nacos.test.1&ip=${POD_IP}&port=8880&clusterName=DEFAULT" && sleep 30定(Ding)义(Yi)Metrics接(Jie)口(Kou)Metrics主(Zhu)要(Yao)用(Yong)来(Lai)暴(Bao)露(Lu)应(Ying)用(Yong)指(Zhi)标(Biao)，可(Ke)以(Yi)根(Gen)据(Ju)实(Shi)际(Ji)情(Qing)况(Kuang)自(Zi)定(Ding)义(Yi)指(Zhi)标(Biao)，以(Yi)便(Bian)于(Yu)监(Jian)控(Kong)工(Gong)具(Ju)Prometheus进(Jin)行(Xing)数(Shu)据(Ju)收(Shou)集(Ji)展(Zhan)示(Shi)。有(You)些(Xie)语(Yu)言(Yan)有(You)现(Xian)成(Cheng)的(De)exporter，比(Bi)如(Ru)java的(De)jmx_exporter，没(Mei)有(You)的(De)就(Jiu)需(Xu)要(Yao)自(Zi)己(Ji)在(Zai)应(Ying)用(Yong)中(Zhong)集(Ji)成(Cheng)。比(Bi)如(Ru)：package mainimport ("github.com/SkyAPM/go2sky" v3 "github.com/SkyAPM/go2sky-plugins/gin/v3""github.com/SkyAPM/go2sky/reporter""github.com/gin-gonic/gin""github.com/prometheus/client_golang/prometheus/promhttp""go-hello-world/pkg/shutdown""go-hello-world/router""log""net/http""syscall""time")var SKYWALKING_ENABLED = falsefunc main() { r := gin.New()// 注(Zhu)册(Ce)路(Lu)由(You) router.SetupRouter(r) server := &http.Server{ Addr: ":8080", Handler: r, }// 启(Qi)动(Dong)metrics服(Fu)务(Wu)go func() { http.Handle("/metrics", promhttp.Handler())if err := http.ListenAndServe(":9527", nil); err != nil { log.Printf("metrics port listen failed. err: %s", err) } }()// 运(Yun)行(Xing)服(Fu)务(Wu)go func() { err := server.ListenAndServe()if err != nil && err != http.ErrServerClosed { log.Fatalf("server.ListenAndServe err: %v", err) } }()// 优(You)雅(Ya)退(Tui)出(Chu) quit := shutdown.New(10) quit.Add(syscall.SIGINT, syscall.SIGTERM) quit.Start(server)}这(Zhe)种(Zhong)会(Hui)暴(Bao)露(Lu)默(Mo)认(Ren)的(De)Http指(Zhi)标(Biao)，可(Ke)以(Yi)通(Tong)过(Guo)curl 127.0.0.1:9527/metrics获(Huo)取(Qu)指(Zhi)标(Biao)。......# HELP promhttp_metric_handler_requests_total Total number of scrapes by HTTP status code.# TYPE promhttp_metric_handler_requests_total counterpromhttp_metric_handler_requests_total{code="200"} 0promhttp_metric_handler_requests_total{code="500"} 0promhttp_metric_handler_requests_total{code="503"} 0如(Ru)果(Guo)需(Xu)要(Yao)自(Zi)定(Ding)义(Yi)指(Zhi)标(Biao)的(De)话(Hua)，只(Zhi)需(Xu)按(An)规(Gui)则(Ze)定(Ding)义(Yi)即(Ji)可(Ke)，如(Ru)下(Xia)：package metricsimport ("github.com/prometheus/client_golang/prometheus""net/http""time")var (// HttpserverRequestTotal 表(Biao)示(Shi)接(Jie)收(Shou)http请(Qing)求(Qiu)总(Zong)数(Shu) HttpserverRequestTotal = prometheus.NewCounterVec(prometheus.CounterOpts{ Name: "httpserver_request_total", Help: "The Total number of httpserver requests", },// 设(She)置(Zhi)标(Biao)签(Qian)：请(Qing)求(Qiu)方(Fang)法(Fa)和(He)路(Lu)径(Jing) []string{"method", "endpoint"}) HttpserverRequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{ Name: "httpserver_request_duration_seconds", Help: "httpserver request duration distribution", Buckets: []float64{0.1, 0.3, 0.5, 0.7, 0.9, 1}, }, []string{"method", "endpoint"}))// 注(Zhu)册(Ce)监(Jian)控(Kong)指(Zhi)标(Biao)func init() { prometheus.MustRegister(HttpserverRequestTotal) prometheus.MustRegister(HttpserverRequestDuration)}func NewMetrics(router http.HandlerFunc) http.HandlerFunc {return func(w http.ResponseWriter, r *http.Request) { start := time.Now() router(w, r) duration := time.Since(start)// httpserverRequestTotal 记(Ji)录(Lu) HttpserverRequestTotal.With(prometheus.Labels{"method": r.Method, "endpoint": r.URL.Path}).Inc()// httpserverRequestDuration 记(Ji)录(Lu) HttpserverRequestDuration.With(prometheus.Labels{"method": r.Method, "endpoint": r.URL.Path}).Observe(duration.Seconds()) }}这(Zhe)样(Yang)就(Jiu)定(Ding)义(Yi)了(Liao)httpserver_request_total和(He)httpserver_request_duration_seconds指(Zhi)标(Biao)，引(Yin)用(Yong)过(Guo)后(Hou)就(Jiu)能(Neng)在(Zai)/metrics中(Zhong)看(Kan)到(Dao)对(Dui)应(Ying)的(De)数(Shu)据(Ju)。定(Ding)义(Yi)好(Hao)了(Liao)指(Zhi)标(Biao)，下(Xia)面(Mian)就(Jiu)是(Shi)收(Shou)集(Ji)了(Liao)。既(Ji)可(Ke)以(Yi)通(Tong)过(Guo)自(Zi)定(Ding)义(Yi)收(Shou)集(Ji)规(Gui)则(Ze)收(Shou)集(Ji)，也(Ye)可(Ke)以(Yi)通(Tong)过(Guo)自(Zi)动(Dong)发(Fa)现(Xian)的(De)方(Fang)式(Shi)收(Shou)集(Ji)，为(Wei)了(Liao)方(Fang)便(Bian)，主(Zhu)要(Yao)采(Cai)用(Yong)自(Zi)动(Dong)发(Fa)现(Xian)的(De)方(Fang)式(Shi)。我(Wo)们(Men)只(Zhi)需(Xu)要(Yao)在(Zai)deployment的(De)templates中(Zhong)定(Ding)义(Yi)好(Hao)annotation，prometheeus就(Jiu)会(Hui)自(Zi)动(Dong)添(Tian)加(Jia)采(Cai)集(Ji)目(Mu)标(Biao)，如(Ru)下(Xia)：apiVersion: apps/v1kind: Deploymentmetadata:labels:app: httpservername: httpservernamespace: defaultspec:replicas: 2selector:matchLabels:app: httpservertemplate:metadata:annotations:prometheus.io/scrape: "true"prometheus.io/port: "metrics"labels:app: httpserverspec:containers:image: baidjay/httpserver:ubuntu-v3-metricsimagePullPolicy: IfNotPresentlifecycle:preStop:exec:command:- /bin/sh- -c- sleep 15livenessProbe:failureThreshold: 3httpGet:path: /healthzport: httpscheme: HTTPinitialDelaySeconds: 30periodSeconds: 10successThreshold: 1timeoutSeconds: 3name: httpserverports:- containerPort: 8080name: httpprotocol: TCP- name: metricsprotocol: TCPcontainerPort: 9527readinessProbe:failureThreshold: 3httpGet:path: /healthzport: httpscheme: HTTPinitialDelaySeconds: 20periodSeconds: 10successThreshold: 1timeoutSeconds: 3定(Ding)义(Yi)Trace功(Gong)能(Neng)Trace用(Yong)于(Yu)跟(Gen)踪(Zong)，每(Mei)个(Ge)请(Qing)求(Qiu)都(Du)会(Hui)生(Sheng)成(Cheng)一(Yi)个(Ge)TraceID，这(Zhe)个(Ge)ID会(Hui)伴(Ban)随(Sui)请(Qing)求(Qiu)的(De)整(Zheng)个(Ge)生(Sheng)命(Ming)周(Zhou)期(Qi)，我(Wo)们(Men)也(Ye)可(Ke)以(Yi)根(Gen)据(Ju)这(Zhe)个(Ge)ID查(Cha)询(Xun)请(Qing)求(Qiu)的(De)整(Zheng)个(Ge)链(Lian)路(Lu)情(Qing)况(Kuang)。链(Lian)路(Lu)追(Zhui)踪(Zong)，目(Mu)前(Qian)市(Shi)面(Mian)上(Shang)有(You)很(Hen)多(Duo)开(Kai)源(Yuan)系(Xi)统(Tong)，比(Bi)如(Ru)Skywalking，Jeager，Zipkin等(Deng)，它(Ta)们(Men)各(Ge)有(You)各(Ge)的(De)特(Te)点(Dian)，如(Ru)下(Xia)。Pinpoint Zipkin Jaeger SkywalkingOpenTracing兼(Jian)容(Rong) 否(Fou) 是(Shi) 是(Shi) 是(Shi)客(Ke)户(Hu)端(Duan)支(Zhi)持(Chi)语(Yu)言(Yan) java\php java\go\php等(Deng) java\go\php等(Deng) java\nodejs\php等(Deng)存(Cun)储(Chu) hbase es\mysql\内(Nei)存(Cun)等(Deng) es\kafka\内(Nei)存(Cun)等(Deng) es\mysql\h2等(Deng)传(Chuan)输(Shu)协(Xie)议(Yi)支(Zhi)持(Chi) thrift http\mq udp\http grpcUI丰(Feng)富(Fu)程(Cheng)度(Du) 高(Gao) 低(Di) 中(Zhong) 中(Zhong)实(Shi)现(Xian)方(Fang)式(Shi) 字(Zi)节(Jie)码(Ma)注(Zhu)入(Ru) 拦(Lan)截(Jie)请(Qing)求(Qiu) 拦(Lan)截(Jie)请(Qing)求(Qiu) 字(Zi)节(Jie)码(Ma)注(Zhu)入(Ru)扩(Kuo)展(Zhan)性(Xing) 低(Di) 高(Gao) 高(Gao) 中(Zhong)Trace查(Cha)询(Xun) 不(Bu)支(Zhi)持(Chi) 支(Zhi)持(Chi) 支(Zhi)持(Chi) 支(Zhi)持(Chi)告(Gao)警(Jing)支(Zhi)持(Chi) 支(Zhi)持(Chi) 不(Bu)支(Zhi)持(Chi) 不(Bu)支(Zhi)持(Chi) 支(Zhi)持(Chi)JVM监(Jian)控(Kong) 支(Zhi)持(Chi) 不(Bu)支(Zhi)持(Chi) 不(Bu)支(Zhi)持(Chi) 支(Zhi)持(Chi)性(Xing)能(Neng)损(Sun)失(Shi) 高(Gao) 中(Zhong) 中(Zhong) 低(Di)我(Wo)比(Bi)较(Jiao)推(Tui)荐(Jian)使(Shi)用(Yong)Jaeger，它(Ta)是(Shi)CNCF的(De)毕(Bi)业(Ye)项(Xiang)目(Mu)，成(Cheng)长(Chang)空(Kong)间(Jian)和(He)云(Yun)原(Yuan)生(Sheng)的(De)系(Xi)统(Tong)架(Jia)构(Gou)兼(Jian)容(Rong)性(Xing)比(Bi)较(Jiao)好(Hao)。不(Bu)过(Guo)，我(Wo)这(Zhe)里(Li)采(Cai)用(Yong)的(De)Skywalking。Skywalking有(You)许(Xu)多(Duo)现(Xian)成(Cheng)的(De)客(Ke)户(Hu)端(Duan)，比(Bi)如(Ru)Java、Python等(Deng)，可(Ke)以(Yi)直(Zhi)接(Jie)使(Shi)用(Yong)，它(Ta)们(Men)都(Du)会(Hui)自(Zi)动(Dong)埋(Mai)点(Dian)，但(Dan)是(Shi)对(Dui)于(Yu)Go来(Lai)说(Shuo)就(Jiu)只(Zhi)有(You)自(Zi)己(Ji)手(Shou)动(Dong)埋(Mai)点(Dian)了(Liao)，需(Xu)要(Yao)我(Wo)们(Men)自(Zi)己(Ji)去(Qu)写(Xie)代(Dai)码(Ma)。比(Bi)如(Ru)：package mainimport ("github.com/SkyAPM/go2sky" v3 "github.com/SkyAPM/go2sky-plugins/gin/v3""github.com/SkyAPM/go2sky/reporter""github.com/gin-gonic/gin""github.com/prometheus/client_golang/prometheus/promhttp""go-hello-world/pkg/shutdown""go-hello-world/router""log""net/http""syscall""time")var SKYWALKING_ENABLED = falsefunc main() { r := gin.New()// 配(Pei)置(Zhi)skywalkingif SKYWALKING_ENABLED { rp, err := reporter.NewGRPCReporter("skywalking-oap:11800", reporter.WithCheckInterval(time.Second))if err != nil { log.Printf("create gosky reporter failed. err: %s", err) }defer rp.Close() tracer, _ := go2sky.NewTracer("go-hello-world", go2sky.WithReporter(rp)) r.Use(v3.Middleware(r, tracer)) }// 注(Zhu)册(Ce)路(Lu)由(You) router.SetupRouter(r) server := &http.Server{ Addr: ":8080", Handler: r, }// 启(Qi)动(Dong)metrics服(Fu)务(Wu)go func() { http.Handle("/metrics", promhttp.Handler())if err := http.ListenAndServe(":9527", nil); err != nil { log.Printf("metrics port listen failed. err: %s", err) } }()// 运(Yun)行(Xing)服(Fu)务(Wu)go func() { err := server.ListenAndServe()if err != nil && err != http.ErrServerClosed { log.Fatalf("server.ListenAndServe err: %v", err) } }()// 优(You)雅(Ya)退(Tui)出(Chu) quit := shutdown.New(10) quit.Add(syscall.SIGINT, syscall.SIGTERM) quit.Start(server)}定(Ding)义(Yi)reporter用(Yong)于(Yu)上(Shang)报(Bao)数(Shu)据(Ju)给(Gei)Skywalking，这(Zhe)就(Jiu)是(Shi)一(Yi)个(Ge)简(Jian)单(Dan)的(De)集(Ji)成(Cheng)Trace的(De)例(Li)子(Zi)。定(Ding)义(Yi)标(Biao)准(Zhun)的(De)日(Ri)志(Zhi)应(Ying)用(Yong)的(De)可(Ke)观(Guan)测(Ce)性(Xing)主(Zhu)要(Yao)来(Lai)源(Yuan)日(Ri)志(Zhi)、监(Jian)控(Kong)、链(Lian)路(Lu)追(Zhui)踪(Zong)，标(Biao)准(Zhun)的(De)日(Ri)志(Zhi)有(You)利(Li)于(Yu)日(Ri)志(Zhi)收(Shou)集(Ji)以(Yi)及(Ji)排(Pai)查(Cha)问(Wen)题(Ti)。原(Yuan)则(Ze)上(Shang)，不(Bu)论(Lun)是(Shi)什(Shi)么(Me)类(Lei)型(Xing)的(De)日(Ri)志(Zhi)输(Shu)出(Chu)，什(Shi)么(Me)格(Ge)式(Shi)的(De)日(Ri)志(Zhi)内(Nei)容(Rong)，都(Du)能(Neng)收(Shou)集(Ji)。但(Dan)是(Shi)为(Wei)了(Liao)方(Fang)便(Bian)友(You)好(Hao)，建(Jian)议(Yi)把(Ba)日(Ri)志(Zhi)输(Shu)出(Chu)到(Dao)标(Biao)准(Zhun)输(Shu)出(Chu)，这(Zhe)样(Yang)收(Shou)集(Ji)更(Geng)方(Fang)便(Bian)。我(Wo)个(Ge)人(Ren)理(Li)解(Jie)，在(Zai)K8s中(Zhong)，完(Wan)全(Quan)没(Mei)必(Bi)要(Yao)把(Ba)日(Ri)志(Zhi)输(Shu)出(Chu)到(Dao)文(Wen)件(Jian)，浪(Lang)费(Fei)不(Bu)说(Shuo)，没(Mei)多(Duo)大(Da)意(Yi)义(Yi)，因(Yin)为(Wei)所(Suo)有(You)的(De)日(Ri)志(Zhi)我(Wo)们(Men)都(Du)会(Hui)收(Shou)集(Ji)到(Dao)日(Ri)志(Zhi)系(Xi)统(Tong)，而(Er)输(Shu)出(Chu)到(Dao)文(Wen)件(Jian)的(De)日(Ri)志(Zhi)也(Ye)会(Hui)随(Sui)着(Zhuo)应(Ying)用(Yong)发(Fa)版(Ban)而(Er)丢(Diu)失(Shi)，所(Suo)以(Yi)输(Shu)出(Chu)到(Dao)文(Wen)件(Jian)的(De)意(Yi)义(Yi)是(Shi)什(Shi)么(Me)呢(Ne)？运(Yun)维(Wei)侧(Ce)开(Kai)发(Fa)把(Ba)系(Xi)统(Tong)开(Kai)发(Fa)完(Wan)，就(Jiu)会(Hui)交(Jiao)付(Fu)给(Gei)运(Yun)维(Wei)部(Bu)署(Shu)。为(Wei)了(Liao)保(Bao)障(Zhang)应(Ying)用(Yong)的(De)稳(Wen)定(Ding)性(Xing)，运(Yun)维(Wei)在(Zai)部(Bu)署(Shu)应(Ying)用(Yong)的(De)时(Shi)候(Hou)应(Ying)该(Gai)考(Kao)虑(Lv)以(Yi)下(Xia)几(Ji)点(Dian)。应(Ying)用(Yong)尽(Jin)可(Ke)能(Neng)保(Bao)持(Chi)无(Wu)状(Zhuang)态(Tai)应(Ying)用(Yong)尽(Jin)可(Ke)能(Neng)保(Bao)持(Chi)高(Gao)可(Ke)用(Yong)应(Ying)该(Gai)具(Ju)备(Bei)优(You)雅(Ya)上(Shang)线(Xian)能(Neng)力(Li)应(Ying)该(Gai)具(Ju)备(Bei)异(Yi)常(Chang)自(Zi)愈(Yu)能(Neng)力(Li)可(Ke)以(Yi)使(Shi)用(Yong)HTTPS访(Fang)问(Wen)应(Ying)用(Yong)尽(Jin)可(Ke)能(Neng)保(Bao)持(Chi)无(Wu)状(Zhuang)态(Tai)K8S中(Zhong)可(Ke)以(Yi)部(Bu)署(Shu)有(You)状(Zhuang)态(Tai)应(Ying)用(Yong)，也(Ye)可(Ke)以(Yi)部(Bu)署(Shu)无(Wu)状(Zhuang)态(Tai)应(Ying)用(Yong)。对(Dui)于(Yu)有(You)状(Zhuang)态(Tai)应(Ying)用(Yong)，我(Wo)其(Qi)实(Shi)很(Hen)少(Shao)部(Bu)署(Shu)到(Dao)K8S中(Zhong)，大(Da)部(Bu)分(Fen)还(Huan)是(Shi)部(Bu)署(Shu)的(De)无(Wu)状(Zhuang)态(Tai)应(Ying)用(Yong)，至(Zhi)于(Yu)为(Wei)什(Shi)么(Me)，用(Yong)多(Duo)了(Liao)就(Jiu)晓(Xiao)得(De)了(Liao)。对(Dui)于(Yu)业(Ye)务(Wu)应(Ying)用(Yong)，强(Qiang)烈(Lie)建(Jian)议(Yi)使(Shi)其(Qi)保(Bao)持(Chi)无(Wu)状(Zhuang)态(Tai)，就(Jiu)算(Suan)有(You)需(Xu)要(Yao)持(Chi)久(Jiu)化(Hua)的(De)东(Dong)西(Xi)，要(Yao)么(Me)保(Bao)存(Cun)到(Dao)数(Shu)据(Ju)库(Ku)，要(Yao)么(Me)保(Bao)存(Cun)到(Dao)对(Dui)象(Xiang)存(Cun)储(Chu)或(Huo)者(Zhe)其(Qi)他(Ta)单(Dan)独(Du)的(De)文(Wen)件(Jian)系(Xi)统(Tong)中(Zhong)，不(Bu)要(Yao)挂(Gua)载(Zai)到(Dao)应(Ying)用(Yong)Pod上(Shang)。这(Zhe)样(Yang)的(De)好(Hao)处(Chu)是(Shi)，应(Ying)用(Yong)和(He)数(Shu)据(Ju)是(Shi)分(Fen)开(Kai)的(De)，应(Ying)用(Yong)可(Ke)以(Yi)随(Sui)意(Yi)启(Qi)停(Ting)、扩(Kuo)展(Zhan)、迁(Qian)移(Yi)等(Deng)。应(Ying)用(Yong)尽(Jin)可(Ke)能(Neng)的(De)保(Bao)持(Chi)高(Gao)可(Ke)用(Yong)保(Bao)持(Chi)高(Gao)可(Ke)用(Yong)应(Ying)该(Gai)是(Shi)每(Mei)个(Ge)运(Yun)维(Wei)人(Ren)员(Yuan)的(De)使(Shi)命(Ming)。在(Zai)K8S中(Zhong)，我(Wo)们(Men)应(Ying)该(Gai)怎(Zen)么(Me)配(Pei)置(Zhi)呢(Ne)？（1）应(Ying)用(Yong)Pod应(Ying)该(Gai)是(Shi)多(Duo)副(Fu)本(Ben)（2）应(Ying)用(Yong)Pod之(Zhi)间(Jian)做(Zuo)反(Fan)亲(Qin)和(He)性(Xing)，避(Bi)免(Mian)同(Tong)一(Yi)应(Ying)用(Yong)调(Diao)度(Du)到(Dao)同(Tong)一(Yi)台(Tai)主(Zhu)机(Ji)，如(Ru)下(Xia)。......spec:affinity:podAntiAffinity:requiredDuringSchedulingIgnoredDuringExecution:- labelSelector:matchExpressions:- key: appoperator: Invalues: [ "httpserver" ]topologyKey: kubernetes.io/hostname......（3）为(Wei)了(Liao)避(Bi)免(Mian)应(Ying)用(Yong)因(Yin)为(Wei)节(Jie)点(Dian)维(Wei)护(Hu)等(Deng)原(Yuan)因(Yin)驱(Qu)逐(Zhu)Pod，导(Dao)致(Zhi)全(Quan)部(Bu)Pod被(Bei)驱(Qu)逐(Zhu)，特(Te)别(Bie)配(Pei)置(Zhi)了(Liao)PodDisruptionBudget，保(Bao)障(Zhang)应(Ying)用(Yong)至(Zhi)少(Shao)有(You)一(Yi)个(Ge)可(Ke)用(Yong)，如(Ru)下(Xia)。apiVersion: policy/v1beta1kind: PodDisruptionBudgetmetadata:name: httpserverspec:minAvailable: 1selector:matchLables:app: httpserver（4）如(Ru)果(Guo)某(Mou)个(Ge)节(Jie)点(Dian)因(Yin)为(Wei)一(Yi)些(Xie)原(Yuan)因(Yin)需(Xu)要(Yao)驱(Qu)逐(Zhu)一(Yi)些(Xie)Pod，为(Wei)了(Liao)避(Bi)免(Mian)重(Zhong)要(Yao)应(Ying)用(Yong)被(Bei)驱(Qu)逐(Zhu)，应(Ying)该(Gai)给(Gei)应(Ying)用(Yong)配(Pei)置(Zhi)较(Jiao)高(Gao)的(De)QoS，如(Ru)下(Xia)：resources:limits:cpu: "1"memory: 2Girequests:cpu: "1"memory: 2Gi应(Ying)用(Yong)具(Ju)备(Bei)优(You)雅(Ya)上(Shang)线(Xian)能(Neng)力(Li)所(Suo)谓(Wei)优(You)雅(Ya)上(Shang)线(Xian)能(Neng)力(Li)，就(Jiu)是(Shi)要(Yao)确(Que)保(Bao)应(Ying)用(Yong)能(Neng)够(Gou)提(Ti)供(Gong)服(Fu)务(Wu)了(Liao)，再(Zai)接(Jie)入(Ru)外(Wai)界(Jie)流(Liu)量(Liang)，不(Bu)能(Neng)在(Zai)还(Huan)没(Mei)完(Wan)全(Quan)启(Qi)动(Dong)的(De)情(Qing)况(Kuang)下(Xia)就(Jiu)提(Ti)供(Gong)服(Fu)务(Wu)。在(Zai)K8S中(Zhong)，应(Ying)用(Yong)在(Zai)启(Qi)动(Dong)后(Hou)会(Hui)加(Jia)入(Ru)endpoints中(Zhong)，然(Ran)后(Hou)通(Tong)过(Guo)service接(Jie)入(Ru)流(Liu)量(Liang)，那(Na)在(Zai)什(Shi)么(Me)情(Qing)况(Kuang)下(Xia)才(Cai)算(Suan)启(Qi)动(Dong)成(Cheng)功(Gong)呢(Ne)？主(Zhu)要(Yao)是(Shi)通(Tong)过(Guo)K8S的(De)ReadinessProbe来(Lai)进(Jin)行(Xing)检(Jian)测(Ce)。这(Zhe)时(Shi)候(Hou)开(Kai)发(Fa)的(De)健(Jian)康(Kang)检(Jian)测(Ce)接(Jie)口(Kou)就(Jiu)派(Pai)上(Shang)用(Yong)场(Chang)了(Liao)，如(Ru)下(Xia)：...readinessProbe:failureThreshold: 3httpGet:path: /healthport: httpscheme: HTTPinitialDelaySeconds: 20periodSeconds: 10successThreshold: 1timeoutSeconds: 3...所(Suo)以(Yi)我(Wo)们(Men)K8S的(De)YAML文(Wen)件(Jian)应(Ying)该(Gai)加(Jia)上(Shang)如(Ru)上(Shang)的(De)配(Pei)置(Zhi)。应(Ying)该(Gai)具(Ju)备(Bei)异(Yi)常(Chang)自(Zi)愈(Yu)能(Neng)力(Li)所(Suo)谓(Wei)异(Yi)常(Chang)自(Zi)愈(Yu)，就(Jiu)是(Shi)应(Ying)用(Yong)本(Ben)身(Shen)在(Zai)出(Chu)现(Xian)Crash，或(Huo)者(Zhe)应(Ying)用(Yong)Pod所(Suo)在(Zai)节(Jie)点(Dian)出(Chu)现(Xian)异(Yi)常(Chang)的(De)情(Qing)况(Kuang)，应(Ying)用(Yong)能(Neng)够(Gou)自(Zi)动(Dong)重(Zhong)启(Qi)或(Huo)者(Zhe)迁(Qian)移(Yi)。这(Zhe)时(Shi)候(Hou)就(Jiu)需(Xu)要(Yao)通(Tong)过(Guo)K8S的(De)LivenessProbe来(Lai)进(Jin)行(Xing)检(Jian)测(Ce)了(Liao)，如(Ru)下(Xia)。......livenessProbe:failureThreshold: 3httpGet:path: /healthport: httpscheme: HTTPinitialDelaySeconds: 30periodSeconds: 10successThreshold: 1timeoutSeconds: 3......当(Dang)K8S的(De)YAML清(Qing)单(Dan)加(Jia)上(Shang)如(Ru)上(Shang)配(Pei)置(Zhi)过(Guo)后(Hou)，就(Jiu)会(Hui)定(Ding)时(Shi)去(Qu)探(Tan)测(Ce)应(Ying)用(Yong)是(Shi)否(Fou)正(Zheng)常(Chang)，如(Ru)果(Guo)异(Yi)常(Chang)，就(Jiu)会(Hui)触(Chu)发(Fa)重(Zhong)启(Qi)的(De)动(Dong)作(Zuo)。如(Ru)果(Guo)是(Shi)节(Jie)点(Dian)异(Yi)常(Chang)，K8S会(Hui)对(Dui)Pod进(Jin)行(Xing)重(Zhong)新(Xin)调(Diao)度(Du)。可(Ke)以(Yi)使(Shi)用(Yong)HTTPS进(Jin)行(Xing)访(Fang)问(Wen)应(Ying)用(Yong)通(Tong)过(Guo)HTTPS访(Fang)问(Wen)是(Shi)比(Bi)较(Jiao)常(Chang)见(Jian)的(De)，企(Qi)业(Ye)级(Ji)应(Ying)用(Yong)建(Jian)议(Yi)自(Zi)己(Ji)购(Gou)买(Mai)相(Xiang)应(Ying)的(De)SSL证(Zheng)书(Shu)，然(Ran)后(Hou)进(Jin)行(Xing)配(Pei)置(Zhi)即(Ji)可(Ke)。比(Bi)如(Ru)。# 创(Chuang)建(Jian)证(Zheng)书(Shu)secretkubectl create secret tls httpserver-tls-secret --cert=path/to/tls.cert --key=path/to/tls.key# 在(Zai)ingress中(Zhong)引(Yin)用(Yong)......spec:tls:hosts:- httpserver.coolops.cnsecretName: httpserver-tls-secretrules:- host: httpserver.coolops.cn......总(Zong)结(Jie)上(Shang)面(Mian)介(Jie)绍(Shao)了(Liao)开(Kai)发(Fa)和(He)运(Yun)维(Wei)对(Dui)于(Yu)应(Ying)用(Yong)上(Shang)线(Xian)应(Ying)该(Gai)做(Zuo)的(De)工(Gong)作(Zuo)，不(Bu)全(Quan)但(Dan)够(Gou)用(Yong)。在(Zai)不(Bu)同(Tong)的(De)企(Qi)业(Ye)都(Du)有(You)不(Bu)同(Tong)的(De)尿(Niao)性(Xing)，但(Dan)是(Shi)作(Zuo)为(Wei)运(Yun)维(Wei)，我(Wo)们(Men)都(Du)要(Yao)牢(Lao)牢(Lao)记(Ji)住(Zhu)稳(Wen)定(Ding)永(Yong)远(Yuan)是(Shi)第(Di)一(Yi)尿(Niao)性(Xing)。通(Tong)过(Guo)上(Shang)面(Mian)的(De)梳(Shu)理(Li)，我(Wo)们(Men)的(De)应(Ying)用(Yong)模(Mo)板(Ban)就(Jiu)整(Zheng)理(Li)如(Ru)下(Xia)：apiVersion: apps/v1kind: Deploymentmetadata:labels:app: httpservername: httpservernamespace: defaultspec:progressDeadlineSeconds: 600replicas: 2revisionHistoryLimit: 10selector:matchLabels:app: httpserverstrategy:rollingUpdate:maxSurge: 25%maxUnavailable: 25%type: RollingUpdatetemplate:metadata:annotations:prometheus.io/scrape: "true"prometheus.io/port: "metrics"labels:app: httpserverspec:affinity:podAntiAffinity:requiredDuringSchedulingIgnoredDuringExecution:- labelSelector:matchExpressions:- key: appoperator: Invalues: [ "httpserver" ]topologyKey: kubernetes.io/hostnamecontainers:- env:- name: TZvalue: Asia/Shanghai- name: POD_NAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: metadata.name- name: POD_NAMESPACEvalueFrom:fieldRef:apiVersion: v1fieldPath: metadata.namespaceimage: baidjay/httpserver:ubuntu-v3-metricsimagePullPolicy: IfNotPresentlifecycle:preStop:exec:command:- /bin/sh- -c- sleep 15livenessProbe:failureThreshold: 3httpGet:path: /healthzport: httpscheme: HTTPinitialDelaySeconds: 30periodSeconds: 10successThreshold: 1timeoutSeconds: 3name: httpserverports:- containerPort: 8080name: httpprotocol: TCP- name: metricsprotocol: TCPcontainerPort: 9527readinessProbe:failureThreshold: 3httpGet:path: /healthzport: httpscheme: HTTPinitialDelaySeconds: 20periodSeconds: 10successThreshold: 1timeoutSeconds: 3resources:limits:cpu: "1"memory: 2Girequests:cpu: "1"memory: 2GisecurityContext: {}terminationMessagePath: /dev/termination-logterminationMessagePolicy: FilednsPolicy: ClusterFirstrestartPolicy: AlwaysschedulerName: default-scheduler---apiVersion: v1kind: Servicemetadata:name: httpserverspec:ports:- name: httpport: 8080protocol: TCPtargetPort: http- name: metricsport: 9527protocol: TCPtargetPort: metricsselector:app: httpserversessionAffinity: Nonetype: ClusterIP---apiVersion: networking.k8s.io/v1kind: Ingressmetadata:annotations:nginx.ingress.kubernetes.io/proxy-body-size: 100mnginx.ingress.kubernetes.io/proxy-connect-timeout: "600"nginx.ingress.kubernetes.io/proxy-read-timeout: "600"nginx.ingress.kubernetes.io/proxy-send-timeout: "600"nginx.ingress.kubernetes.io/service-weight: ""nginx.org/client-max-body-size: 100mname: httpserver-tlsspec:tls:- hosts:- httpserver.coolops.cnsecretName: httpserver-tls-secretrules:- host: httpserver.coolops.cnhttp:paths:- pathType: Prefixpath: /backend:service:name: httpserverport:number: 8080---apiVersion: policy/v1kind: PodDisruptionBudgetmetadata:name: httpserverspec:minAvailable: 1selector:matchLabels:app: httpserver为(Wei)了(Liao)凑(Cou)字(Zi)数(Shu)，写(Xie)了(Liao)一(Yi)大(Da)堆(Dui)，大(Da)家(Jia)凑(Cou)合(He)看(Kan)，觉(Jue)得(De)有(You)用(Yong)就(Jiu)点(Dian)个(Ge)赞(Zan)~~！最(Zui)后(Hou)，求(Qiu)关(Guan)注(Zhu)。如(Ru)果(Guo)你(Ni)还(Huan)想(Xiang)看(Kan)更(Geng)多(Duo)优(You)质(Zhi)原(Yuan)创(Chuang)文(Wen)章(Zhang)，欢(Huan)迎(Ying)关(Guan)注(Zhu)我(Wo)们(Men)的(De)公(Gong)众(Zhong)号(Hao)「运(Yun)维(Wei)开(Kai)发(Fa)故(Gu)事(Shi)」。如(Ru)果(Guo)我(Wo)的(De)文(Wen)章(Zhang)对(Dui)你(Ni)有(You)所(Suo)帮(Bang)助(Zhu)，还(Huan)请(Qing)帮(Bang)忙(Mang)一(Yi)下(Xia)，你(Ni)的(De)支(Zhi)持(Chi)会(Hui)激(Ji)励(Li)我(Wo)输(Shu)出(Chu)更(Geng)高(Gao)质(Zhi)量(Liang)的(De)文(Wen)章(Zhang)，非(Fei)常(Chang)感(Gan)谢(Xie)！你(Ni)还(Huan)可(Ke)以(Yi)把(Ba)我(Wo)的(De)公(Gong)众(Zhong)号(Hao)设(She)为(Wei)「星(Xing)标(Biao)」，这(Zhe)样(Yang)当(Dang)公(Gong)众(Zhong)号(Hao)文(Wen)章(Zhang)更(Geng)新(Xin)时(Shi)，你(Ni)会(Hui)在(Zai)第(Di)一(Yi)时(Shi)间(Jian)收(Shou)到(Dao)推(Tui)送(Song)消(Xiao)息(Xi)，避(Bi)免(Mian)错(Cuo)过(Guo)我(Wo)的(De)文(Wen)章(Zhang)更(Geng)新(Xin)。

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