Äú¿ÉÒÔ¾èÖú£¬Ö§³ÖÎÒÃǵĹ«ÒæÊÂÒµ¡£

1Ôª 10Ôª 50Ôª





ÈÏÖ¤Â룺  ÑéÖ¤Âë,¿´²»Çå³þ?Çëµã»÷Ë¢ÐÂÑéÖ¤Âë ±ØÌî



  ÇóÖª ÎÄÕ ÎÄ¿â Lib ÊÓÆµ iPerson ¿Î³Ì ÈÏÖ¤ ×Éѯ ¹¤¾ß ½²×ù Model Center   Code  
»áÔ±   
   
 
     
   
 ¶©ÔÄ
  ¾èÖú
Knative ¼ò½é
 
×÷ÕߣºÁÖСÊ÷
  4104  次浏览      33
 2021-3-3 
 
±à¼­ÍƼö:
±¾ÎÄÖ÷Òª½éÉÜÁËʲôÊÇ Knative£¿knative ºËÐĸÅÄîºÍÔ­Àí¡¢Build ¹¹½¨ÏµÍ³¡¢Serving£º·þÎñϵͳÒÔ¼°Eventing£ºÊ¼þϵͳµÈÏà¹ØÄÚÈÝ¡£
À´×ÔÓÚCIO·¢Õ¹ÖÐÐÄ,ÓÉ»ðÁú¹ûÈí¼þAnna±à¼­¡¢ÍƼö¡£

ʲôÊÇ Knative£¿

knative Êǹȸ迪ԴµÄ serverless ¼Ü¹¹·½°¸£¬Ö¼ÔÚÌṩһÌ×¼òµ¥Ò×ÓÃµÄ serverless ·½°¸£¬°Ñ serverless ±ê×¼»¯¡£Ä¿Ç°²ÎÓëµÄ¹«Ë¾Ö÷ÒªÊÇ Google¡¢Pivotal¡¢IBM¡¢Red Hat£¬2018Äê7ÔÂ24ÈղŸոնÔÍâ·¢²¼£¬µ±Ç°»¹´¦ÓÚ¿ìËÙ·¢Õ¹µÄ½×¶Î¡£

ÕâÊÇ Google Cloud Platform Ðû²¼ knative ʱ¸ø³öµÄ½éÉÜ£º

Developed in close partnership with Pivotal, IBM, Red Hat, and SAP, Knative pushes Kubernetes-based computing forward by providing the building blocks you need to build and deploy modern, container-based serverless applications.

¿ÉÒÔ¿´³ö£¬knative ÊÇΪÁ˽â¾öÈÝÆ÷ΪºËÐÄµÄ serverless Ó¦ÓõĹ¹½¨¡¢²¿ÊðºÍÔËÐеÄÎÊÌâ¡£

serverless µÄ¸ÅÄîÒѾ­³öÏÖÂù¾ÃÁË£¬ÎªÁËÀí½â serverless ¿ÉÒÔ´ÓÓ¦Óÿª·¢ÕߵĽǶÈÀ´¿´£¬Ê¹Óà serverless ¿ò¼ÜÖ®ºó£¬Ó¦Óÿª·¢ÕßµÄÕû¸ö²Ù×÷Á÷³Ì¾Í±ä³ÉÁË£º

~ # ±àд code ºÍ configuration Îļþ

~ # faascli build
~ # faascli deploy
~ # curl http://myapp.com/hello
hello, world from Awesome FaaS App!

¿ÉÒÔ¿´µ½Óû§Ö»ÐèÒª±àд´úÂ루»òÕߺ¯Êý£©£¬ÒÔ¼°ÅäÖÃÎļþ£¨ÈçºÎ build¡¢ÔËÐÐÒÔ¼°·ÃÎʵÈÉùÃ÷ʽÐÅÏ¢£©£¬È»ºóÔËÐÐ build ºÍ deploy ¾ÍÄܰÑÓ¦ÓÃ×Ô¶¯²¿Êðµ½¼¯Èº£¨¿ÉÒÔÊǹ«ÓÐÔÆ£¬Ò²¿ÉÒÔÊÇ˽Óеļ¯Èº£©¡£

ÆäËûÊÂÇé¶¼ÊÇ serverless ƽ̨£¨±ÈÈçÕâÀïµÄ knative£©×Ô¶¯´¦ÀíµÄ£¬ÕâЩÊÂÇé°üÀ¨£º

×Ô¶¯Íê³É´úÂëµ½ÈÝÆ÷µÄ¹¹½¨

°ÑÓ¦Ó㨻òÕߺ¯Êý£©ºÍÌØ¶¨µÄʼþ½øÐа󶨣ºµ±Ê¼þ·¢Éúʱ£¬×Ô¶¯´¥·¢Ó¦Ó㨻òÕߺ¯Êý£©

ÍøÂçµÄ·ÓɺÍÁ÷Á¿¿ØÖÆ

Ó¦ÓõÄ×Ô¶¯ÉìËõ

ºÍ±ê×¼»¯µÄ FaaS ²»Í¬£¬knative ÆÚÍûÄܹ»ÔËÐÐËùÓÐµÄ workload : traditional application¡¢function¡¢container¡£

knative Êǽ¨Á¢ÔÚ kubernetes ºÍ istio ƽ̨֮Éϵģ¬Ê¹Óà kubernetes ÌṩµÄÈÝÆ÷¹ÜÀíÄÜÁ¦£¨deployment¡¢replicaset¡¢ºÍ podsµÈ£©£¬ÒÔ¼° istio ÌṩµÄÍøÂç¹ÜÀí¹¦ÄÜ£¨ingress¡¢LB¡¢dynamic routeµÈ£©¡£

knative ºËÐĸÅÄîºÍÔ­Àí

ΪÁËʵÏÖ serverless Ó¦ÓõĹÜÀí£¬knative °ÑÕû¸öϵͳ·Ö³ÉÁËÈý¸ö²¿·Ö£º

Build£º¹¹½¨ÏµÍ³£¬°ÑÓû§¶¨ÒåµÄº¯ÊýºÍÓ¦Óà build ³ÉÈÝÆ÷¾µÏñ

Serving£º·þÎñϵͳ£¬ÓÃÀ´ÅäÖÃÓ¦ÓõÄ·ÓÉ¡¢Éý¼¶²ßÂÔ¡¢×Ô¶¯À©ËõÈݵȹ¦ÄÜ

Eventing£ºÊ¼þϵͳ£¬ÓÃÀ´×Ô¶¯Íê³ÉʼþµÄ°ó¶¨ºÍ´¥·¢

Build ¹¹½¨ÏµÍ³

build µÄ¹¦ÄÜÊǰÑÓû§µÄ´úÂë×Ô¶¯»¯¹¹½¨³ÉÈÝÆ÷¾µÏñ£¬³õ´ÎÌýÆðÀ´ºÜÆæ¹Ö£¬ÓÐÁË docker Ö®ºóÓÐÒ»¸ö Dockerfile ²»¾ÍÄܹ¹½¨ÈÝÆ÷ÁËÂð£¿ÎªÊ²Ã´»¹ÐèÒªÒ»¸öÐ嵀 Build ϵͳ£¿

Knative µÄÌØ±ðÖ®´¦ÔÚÓÚÁ½µã£ºÒ»ÊÇËüµÄ¹¹½¨Íê³ÉÊÇÔÚ kubernetes ÖнøÐеģ¬ºÍÕû¸ö kubernetes Éú̬½áºÏ¸ü½ôÃÜ£»ÁíÍ⣬ËüÖ¼ÔÚÌṩһ¸öͨÓõıê×¼»¯µÄ¹¹½¨×é¼þ£¬¿ÉÒÔ×÷ΪÆäËû¸ü´óϵͳÖеÄÒ»²¿·Ö¡£

ÕýÈç¹Ù·½ÎĵµÖеÄ˵µÄÄÇÑù£¬¸ü¶àÊÇΪÁ˶¨Òå±ê×¼»¯¡¢¿ÉÒÆÖ²¡¢¿ÉÖØÓá¢ÐÔÄܸßЧµÄ¹¹½¨·½·¨£º

The goal of a Knative build is to provide a standard, portable, reusable, and performance optimized method for defining and running on-cluster container image builds.

Knative ÌṩÁË Build CRD ¶ÔÏó£¬ÈÃÓû§¿ÉÒÔͨ¹ý yaml Îļþ¶¨Òå¹¹½¨¹ý³Ì¡£Ò»¸öµäÐ굀 Build ÅäÖÃÎļþÈçÏ£º

apiVersion: build.knative.dev/v1alpha1
kind: Build
metadata:
name: example-build
spec:
serviceAccountName: build-auth-example
source:
git:
url: https://github.com/example/ build-example.git
revision: master
steps:
- name: ubuntu-example
image: ubuntu
args: ["ubuntu-build-example", "SECRETS-example.md"]
steps:
- image: gcr.io/example-builders/build-example
args: ['echo', 'hello-example', 'build']

ÆäÖУ¬serviceAccountName Êǹ¹½¨¹ý³ÌÖÐÐèÒªÓõ½µÄÃÜÂëºÍÈÏÖ¤ÐÅÏ¢£¨±ÈÈçÁ¬½Óµ½ git repo µÄ SSH keys¡¢push ¾µÏñµ½ registry µÄÓû§ÃûºÍÃÜÂëµÈ£©£»source ÊÇ´úÂëÐÅÏ¢£¬±ÈÈçÕâÀïµÄ git µØÖ·ºÍ·ÖÖ§£»steps ÊÇÕæÕýÔËÐйý³ÌÖеĸ÷¸ö²½Ö裬Õâ¸öʾÀýÖеIJ½ÖèÖ»ÊÇ×÷Ϊ demo£¬ÕæÕýµÄ¹¹½¨¹ý³ÌÒ»°ãÊÇ pull ´úÂë¡¢ build ¾µÏñºÍ push¾µÏñµ½ registry µÈÂß¼­¡£

ÒòΪ´ó²¿·ÖµÄ¹¹½¨¹ý³Ì¶¼ÊÇÒ»Öµģ¬Òò´Ë knative »¹ÌṩÁË Build template µÄ¸ÅÄBuild template ·â×°ÁËÔ¤Ïȶ¨ÒåºÃµÄ¹¹½¨¹ý³Ì£¨¾ÍÊÇ·â×°ÁËÉÏÃæµÄ steps ¹ý³Ì£©£¬²¢ÌṩÁ˷dz£¼òµ¥µÄÅäÖòÎÊýÀ´Ê¹Óá£

ʹÓà build template ¹¹½¨ÈÝÆ÷¾µÏñ¾Í¸ü¼òµ¥ÁË£¬Ö»ÐèÒªÌṩ´úÂëµÄµØÖ·ºÍ¾µÏñÃû×Ö¼´¿É£¬±ÈÈçÏÂÃæÊÇʹÓà Google kaniko Ä£°å¹¹½¨ github Ô´ÂëµÄ yaml Îļþ£¨ÐèÒªÔÚ´úÂë¸ùĿ¼´æÔÚ Dockerfile Îļþ£©£º

apiVersion: build.knative.dev/v1alpha1
kind: Build
metadata:
name: kaniko-build
spec:
serviceAccountName: build-bot
source:
git:
url: https://github.com/my-user/ my-repo
revision: master
template:
name: kaniko
arguments:
- name: IMAGE
value: us.gcr.io/my-project/ my-app

Serving£º·þÎñϵͳ

serving µÄºËÐŦÄÜÊÇÈÃÓ¦ÓÃÔËÐÐÆðÀ´Ìṩ·þÎñ¡£ËäÈ»ÌýÆðÀ´ºÜ¼òµ¥£¬µ«ÕâÀï°üÀ¨Á˺ܶàµÄÊÂÇ飺

×Ô¶¯»¯Æô¶¯ºÍÏú»ÙÈÝÆ÷

¸ù¾ÝÃû×ÖÉú³ÉÍøÂç·ÃÎÊÏà¹ØµÄ service¡¢ingress µÈ¶ÔÏó

¼à¿ØÓ¦ÓõÄÇëÇ󣬲¢×Ô¶¯À©ËõÈÝ

Ö§³ÖÀ¶ÂÌ·¢²¼¡¢»Ø¹ö¹¦ÄÜ£¬·½±ãÓ¦Ó÷½·¨Á÷³Ì

knative serving ¹¦ÄÜÊÇ»ùÓÚ kubernetes ºÍ istio ¿ª·¢µÄ£¬ËüʹÓà kubernetes À´¹ÜÀíÈÝÆ÷£¨deployment¡¢pod£©£¬istio À´¹ÜÀíÍøÂç·ÓÉ£¨VirtualService¡¢DestinationRule£©¡£

ÒòΪ kubernetes ºÍ istio ±¾ÉíµÄ¸ÅÄî·Ç³£¶à£¬Àí½âºÍ¹ÜÀíÆðÀ´±È½ÏÀ§ÄÑ£¬knative ÔÚ´ËÖ®ÉÏÌṩÁ˸ü¸ßÒ»²ãµÄ³éÏó£¨ÕâЩ¶ÔÓ¦ÊÇ»ùÓÚ kubernetes µÄ CRD ʵÏֵģ©¡£ÕâЩ³éÏó³öÀ´µÄ¸ÅÄî¶ÔÓ¦µÄ¹ØÏµÈçÏÂͼ£º

Configuration£ºÓ¦ÓõÄ×îÐÂÅäÖã¬Ò²¾ÍÊÇÓ¦ÓÃĿǰÆÚÍûµÄ״̬£¬¶ÔÓ¦ÁË kubernetes µÄÈÝÆ÷¹ÜÀí£¨deployment£©¡£Ã¿´ÎÓ¦ÓÃÉý¼¶¶¼»á¸üРconfiguration£¬¶ø knative Ò²»á±£ÁôÀúÊ·°æ±¾µÄ¼Ç¼£¨Í¼ÖÐµÄ revision£©£¬½áºÏÁ÷Á¿¹ÜÀí£¬knative ¿ÉÒÔÈöà¸ö²»Í¬µÄ°æ±¾¹²Í¬Ìṩ·þÎñ£¬·½±ãÀ¶ÂÌ·¢²¼ºÍ¹ö¶¯Éý¼¶

Route£ºÓ¦ÓõÄ·ÓɹæÔò£¬Ò²¾ÍÊǽøÀ´µÄÁ÷Á¿ÈçºÎ·ÃÎÊÓ¦Ó㬶ÔÓ¦ÁË istio µÄÁ÷Á¿¹ÜÀí£¨VirtualService£©

Service£º×¢ÒâÕâÀï²»ÊÇ kubernetes ÖÐÌṩ·þÎñ·¢ÏÖµÄÄǸö service£¬¶øÊÇ knative ×Ô¶¨ÒåµÄ CRD£¬ËüµÄÈ«³ÆÄ¿Ç°ÊÇ services.serving.knative.dev ¡£µ¥¶À¿ØÖÆ route ºÍ configuration ¾ÍÄÜʵÏÖ serving µÄËùÓй¦ÄÜ£¬µ«knative ¸üÍÆ¼öʹÓà Service À´¹ÜÀí£¬ÒòΪËü»á×Ô¶¯°ïÄã¹ÜÀí route ºÍ configuration

Ò»¸ö hello world µÄ serving ÅäÖÃÈçÏÂËùʾ£º

apiVersion: serving.knative.dev/v1alpha1
kind: Service
metadata:
name: helloworld-go
namespace: default
spec:
runLatest:
configuration:
revisionTemplate:
spec:
container:
image: docker.io/{username} /helloworld-go
env:
- name: TARGET
value: "Go Sample v1"

¿´ÆðÀ´ºÍ kubernetes µÄ pod ¶¨Òå·Ç³£ÀàËÆ£¬µ«ÊÇËü»á°ïÄã¹ÜÀí deployment¡¢ingress¡¢service discovery¡¢auto scaling¡­¡­´ÓÕâ¸ö½Ç¶ÈÀ´¿´£¬¿ÉÒÔÈÏΪ knative ÌṩÁ˸ü¸ßµÄ³éÏó£¬×Ô¶¯°ïÄã·â×°µôÁË kubernetes ºÍ istio µÄʵÏÖϸ½Ú¡£

ÏÂÃæÕâÕÅͼ½éÉÜÁË knative serving ¸÷×é¼þÖ®¼äµÄ¹ØÏµ£º

¿ÉÒÔ¿´µ½£¬Ã¿¸ö revision ¶ÔÓ¦ÁËÒ»×é deployment ¹ÜÀíµÄ pod

pod »á×Ô¶¯»ã±¨ metrics Êý¾Ýµ½ autoscaler£¬autoscaler »á¸ù¾ÝÇëÇóÁ¿ºÍ×ÊԴʹÓÃÇé¿öÐÞ¸Ä deployment µÄ replicas ÊýÁ¿£¬´Ó¶øÊµÏÖ×Ô¶¯À©ËõÈÝ¡£serverless Ò»¸öÖØÒªµÄÌØ¶¨ÊÇËü»á scale to 0 µÄ£¬Ò²¾ÍÊǵ±Ó¦ÓÃûÓÐÁ÷Á¿·ÃÎÊʱ£¬Ëü»á×Ô¶¯Ïú»ÙËùÓÐµÄ pod

activator ±È½ÏÓÐȤ£¬ËüÊÇΪÁË´¦Àí scale to 0 ¶ø³öÏֵġ£µ±Ä³¸ö revision ºóÃæµÄ pod ËõÈݵ½ 0 ʱ£¬route µÄÁ÷Á¿»áÖ¸Ïò activator£¬activator ½ÓÊÕµ½ÇëÇóÖ®ºó»á×Ô¶¯À­Æð pod£¬È»ºó°ÑÁ÷Á¿×ª·¢¹ýÈ¥

route ¶ÔÏó¶ÔÓ¦ÁË istio µÄ DestinationRoute ºÍ VirtualService£¬¾ö¶¨ÁË·ÃÎÊÓ¦ÓõÄÁ÷Á¿ÈçºÎ·ÓÉ

Eventing£ºÊ¼þϵͳ

serving ϵͳʵÏֵŦÄÜÊÇÈÃÓ¦ÓÃ/º¯ÊýÄܹ»ÔËÐÐÆðÀ´£¬²¢ÇÒ×Ô¶¯ÉìËõ£¬ÄÇʲôʱºò²Å»áµ÷ÓÃÓ¦ÓÃÄØ£¿³ýÁËÎÒÃÇÊìϤµÄÕý³£Ó¦Óõ÷ÓÃÖ®Í⣬serverless ×îÖØÒªµÄÊÇ»ùÓÚʼþµÄ´¥·¢»úÖÆ£¬Ò²¾ÍÊÇ˵µ±Ä³¼þÊ·¢Éúʱ£¬¾Í´¥·¢Ä³¸öÌØ¶¨µÄº¯Êý¡£

ʼþ¸ÅÄîµÄ³öÏÖ£¬Èú¯ÊýºÍ¾ßÌåµÄµ÷Ó÷½Äܹ»½âñî¡£º¯Êý²¿Êð³öÀ´²»ÓùØÐÄË­»áµ÷ÓÃËü£¬¶øÊ¼þÔ´´¥·¢Ò²²»ÓùØÐÄË­»á´¦ÀíËü¡£

Note£ºÄ¿Ç° serverless µÄ²úÆ·ºÍƽ̨ºÜ¶à£¬Ã¿¸öµØ·½Ö§³ÖµÄʼþÀ´Ô´ÒÔ¼°¶ÔʼþµÄ¶¨Òå¶¼ÊDz»Í¬µÄ£¨±ÈÈç AWS Lambda Ö§³ÖºÜ¶à×Ô¼º²úÆ·µÄʼþÔ´£©¡£Knative ×ÔȻҲ»á¶¨Òå×Ô¼ºµÄʼþÀàÐÍ£¬³ý´ËÖ®Í⣬knative »¹ÁªºÏ CNCF ÔÚ×öʼþ±ê×¼»¯µÄ¹¤×÷£¬Ä¿Ç°µÄ²ú³öÊÇ CloudEvents Õâ¸öÏîÄ¿¡£

ΪÁËÈÃÕû¸öʼþϵͳ¸üÓÐÀ©Õ¹ÐÔºÍͨÓÃÐÔ£¬knative ¶¨ÒåÁ˺ܶàʼþÏà¹ØµÄ¸ÅÄî¡£ÎÒÃÇÏÈÀ´½éÉÜһϣº

EventSource£ºÊ¼þÔ´£¬Äܹ»²úÉúʼþµÄÍⲿϵͳ

Feed£º°ÑijÖÖÀàÐ굀 EventType ºÍ EventSource ºÍ¶ÔÓ¦µÄ Channel °ó¶¨µ½Ò»Æð

Channel£º¶ÔÏûϢʵÏÖµÄÒ»²ã³éÏ󣬺ó¶Ë¿ÉÒÔʹÓà kafka¡¢RabbitMQ¡¢Google PubSub ×÷Ϊ¾ßÌåµÄʵÏÖ¡£channel name ÀàËÆÓÚÏûÏ¢¼¯ÈºÖÐµÄ topic£¬¿ÉÒÔÓÃÀ´½âñîʼþÔ´ºÍº¯Êý¡£Ê¼þ·¢Éúºó sink µ½Ä³¸ö channel ÖУ¬È»ºó channel ÖеÄÊý¾Ý»á±»ºó¶ËµÄº¯ÊýÏû·Ñ

Subscription£º°Ñ channel ºÍºó¶ËµÄº¯Êý°ó¶¨µÄÒ»Æð£¬Ò»¸ö channel ¿ÉÒ԰󶨵½¶à¸öknative service

ËüÃÇÖ®¼äµÄ¹ØÏµÁ÷³ÌͼÈçÏ£º

Bus ÊÇ knative ÄÚ²¿µÄʼþ´æ´¢²ã£¬Óû§¿ÉÒÔÑ¡Ôñ×Ô¼º¸ÐÐËȤµÄʵÏÖ£¬Ä¿Ç°Ö§³ÖµÄ·½Ê½ÓУºStub£¨ÔÚÄÚ´æÖÐʵÏֵļòµ¥ÏûϢϵͳ£©¡¢Kafka¡¢Google PubSub¡£Èç¹ûÏëҪʼþÄܹ»Õý³£ÔËÐУ¬±ØÐëÔÚ knative ¼¯ÈºÖа²×°ÆäÖÐÒ»¸ö bus ʵÏÖ·½Ê½¡£

ÓÐÁË bus Ö®ºó£¬ÎÒÃǾͿÉÒÔ¼àÌýÍⲿµÄʼþÁË¡£Ä¿Ç°Ö§³ÖµÄʼþÔ´ÓÐÈý¸ö£ºgithub£¨±ÈÈç merge ʼþ£¬push ʼþµÈ£©£¬kubernetes£¨events£©£¬Google PubSub£¨ÏûϢϵͳ£©£¬ºóÃæ»¹»á²»¶Ï½ÓÈë¸ü¶àµÄʼþÔ´¡£

Èç¹ûÒªÏë¼àÌý¶ÔÓ¦µÄʼþÔ´£¬ÐèÒªÔÚ knative Öв¿ÊðÒ»¸ö source adaptor µÄ pod£¬Ëü¸ºÔð´ÓÍⲿµÄϵͳÖжÁȡʼþ¡£

¶ÁÈ¡ºóµÄʼþ£¬»á¸ù¾ÝÓû§ÅäÖÃµÄ Feed ¶ÔÏó£¨ÀïÃæ°üÀ¨ÁËʼþÔ´ºÍ channel µÄ¶ÔÓ¦¹ØÏµ£©£¬ÕÒµ½¶ÔÓ¦µÄ channel£¬È»ºó°ÑÏûÏ¢·¢Ë͵½Õâ¸ö channel ÖУ¨channel µÄÏûÏ¢×îÖÕÊÇ´æ´¢ÔÚºó¶ËµÄ bus ϵͳÀïµÄ£©¡£

È»ºó£¬knative »á¸ù¾Ý subscription µÄÅäÖ㬲»¶Ï´Ó channel ÖжÁȡʼþ£¬È»ºó°Ñʼþ×÷Ϊ²ÎÊýµ÷ÓöÔÓ¦µÄº¯Êý£¬´Ó¶øÍê³ÉÁËÕû¸öʼþµÄÁ÷³Ì¡£

Knative ĿǰµÄ״̬

knative ÊÇ 2018 Äê 7Ô²ŸոնÔÍ⿪·Å£¬ËäÈ»ÄÚ²¿ÒѾ­¿ª·¢Ò»¶Îʱ¼ä£¬µ«ÊÇĿǰ»¹´¦Óڷdz£ÔçǰµÄ½×¶Î£¨´ÓÖ§³ÖµÄʼþÔ´ºÍ bus¾ÍÄÜ¿´³öÀ´£©¡£Ä¿Ç°´úÂ뻹²»Îȶ¨£¬ºÜ¶àʵÏÖ¶¼ÊÇ hard-coded¡£

knative Ò²ÊÇÍѲúÓÚ google ºÍ CNCF£¬Òò´ËÕû¸öÉçÇøÔËÐз½Ê½ºÍÄ¿±êÓë֮ǰµÄ kubernetes ÒÔ¼° istio ·Ç³£ÏàËÆ¡£ÉçÇø¸ù¾Ý×é¼þ·Ö³É¶à¸ö Working Group£¬Ã¿¸ö Group ¶ÀÁ¢¸ºÔð×Ô¼ºµÄ¹¦ÄÜ£¬ËùÓеĿªÔ´»î¶¯£¨Îĵµ¡¢ÊÓÆµ¡¢´úÂ룩¶¼ÊÇ¿ª·ÅµÄ¡£ÁíÍ⣬CloudEvents ×÷Ϊ knative ÒÀÀµµÄ±ê×¼£¬Ä¿±êÒ²ÊdzÉΪ CRI¡¢CNI¡¢CSI ÕâÖÖÀàËÆµÄ±ê×¼¡£

knative ÉçÇøÄ¿Ç°·Ç³£»îÔ¾£¬ÒÑ github.com/knative/serving ÏîĿΪÀý£¬Ò»¸öÔÂÒѾ­ÓÐ 600+ star£¬Ä¿Ç°ÓÐ 60+ contributor£¬900+ commits£¬¶øÇÒÈëÃŵÄÎĵµºÍ½Ì³Ì¶¼ÒѾ­·Ç³£È«Ãæ¡£

Knative Ó¦Óó¡¾°ºÍ˼¿¼

knative »ùÓÚ kubernetes ºÍ istio µÄ serverless ¿ªÔ´ÊµÏÖ£¬Ä¿±êÊÇΪÁËÌṩ¸ü¸ß²ã´ÎµÄ³éÏó£¬Èÿª·¢ÕßÎÞÐè¹Ø×¢»ù´¡ÉèÊ©£¨ÐéÄâ»ú»òÕßÈÝÆ÷£¬ÍøÂçÅäÖã¬ÈÝÁ¿¹æ»®£©£¬¶ø×¨×¢ÓÚÒµÎñ´úÂë¼´¿É¡£

Ŀǰ serverless ÒÔ¼° knative µÄ¼¸¸öÎÊÌ⣺

1. ÐÔÄÜÎÊÌâ

ÐÔÄÜÎÊÌâÒ»Ö±ÊÇ serverless ±»ÈËÚ¸²¡µÄÒ»µã£¬Ò²ÊÇĿǰËü²»Äܹ㷺ÓÃÓÚÓ¦Ó÷þÎñÉϵľö¶¨ÐÔÔ­Òò¡£»¥ÁªÍøµÄÓ¦Óôó¶àÊýÓи߲¢·¢¡¢¸ßÐÔÄܵÄÒªÇó£¬serverless Õû¸öÍøÂçÁ´Â·ºÜ³¤£¬ÈÝÆ÷ÆôÍ£ÐèÒª¶îÍâµÄʱ¼ä£¬»¹ÎÞ·¨Âú×㻥ÁªÍøÓ¦ÓõÄÒªÇó¡£

Õë¶ÔÕâÒ»µã£¬ºÜ¶à serverless ¿ò¼ÜÒ²ÔÚ²»¶ÏµØ×ö¸Ä½ø£¬±ÈÈç²»¶Ï¾«¼òÈÝÆ÷µÄÆô¶¯Ê±¼ä¡¢ÈÝÆ÷Æô¶¯Ö®ºó»á×ö»º´æµÈ£¬±ÈÈç nuclio ¾ÍÐû³Æ×Ô¼ºµÄƽ̨±È AWS Lambda Òª¿ì 10 ±¶ÒÔÉÏ¡£

ÏàÐÅËæ×Å serverless µÄ²»¶ÏÑݽø£¬ÐÔÄÜÎÊÌâ»á²»¶ÏÓÅ»¯£¬ÖÁÓÚÄܲ»ÄÜ´ïµ½»¥ÁªÍøÓ¦ÓõÄÒªÇ󣬻¹ÒªÊ±¼ä¸øÎÒÃǴ𰸡£

2. ÊÇ·ñÐèÒª istio ÕâÒ»²ã£¿

»ùÓÚ kubernetes µÄ serverless ×é¼þ·Ç³£¶à£¬±ÈÈç kubeless¡£µ«ÊÇ»ùÓÚͬʱÓÖ»ùÓÚ istio£¬Ä¿Ç° knative »¹ÊǵÚÒ»¸öÕâô×öµÄ¡£

ÓÐЩÈ˵ÄÒÉÎÊÔÚÓÚ£¬knative ÕæµÄÓбØÒª»ùÓÚ istio À´×öÂ𣿶ÔÓÚÕâ¸öÎÊÌ⣬ÎÒ¸öÈ˵Ŀ´·¨ÊDZØÒªµÄ¡£

ËäÈ» istio ²Å¸Õ¸Õrelease 1.0 °æ±¾£¬µ«ÊÇËü×÷Ϊ¼¯Èº»ù´¡ÉèʩͨÓÃÍøÂç²ãµÄµØÎ»ÒѾ­¿ªÊ¼ÏÔ¶£¬ÏàÐÅÔÚδÀ´µÄ·¢Õ¹ÖнÓÊܶȻáÔ½À´Ô½´ó£¬²¢Öð½¥¹®¹Ì×Ô¼ºµÄµØÎ»¡£ËäÈ»ÏÖ½×¶ÎÀ´Ëµ£¬ºÜ¶àÈ˲¢²»·Ç³£ÊìϤ istio µÄÇé¿ö£¬µ«ÊÇ´Ó³¤Ô¶½Ç¶ÈÀ´¿´£¬ÕâÒ»µã½«ÊÇ knative µÄÒ»¸öÓÅÊÆËùÔÚ¡£

ÁíÍ⣬»ùÓÚ istio ¹¹½¨×Ô¼ºµÄ serverless ·þÎñ£¬Ò²·ûºÏĿǰÈí¼þÐÐÒµ²»ÒªÖظ´ÔìÂÖ×ӵŤ×÷¡£istio ÔÚ¼¯ÈºµÄÍøÂç¹ÜÀí·½Ãæ·Ç³£ÓÅÐ㣨ÖÇÄÜ·ÓÉ¡¢¸ºÔؾùºâ¡¢À¶ÂÌ·¢²¼µÈ£©£¬»ùÓÚ istio À´×ö¿ÉÒÔÈà knative ²»ÓÃÖØ¸´¹¤×÷¾ÍÄÜÖ±½ÓʹÓà istio ÌṩµÄÍøÂçͨÓù¦ÄÜ¡£

3. ϵͳ¸´ÔÓ¶È

ÕâÒ»µãºÍÉÏÃæÀàËÆ£¬knative ÏÂÃæÒѾ­ÓÐÁ½¸ö·Ç³£¸´Ôӵį½Ì¨£ºkubernetes ºÍ istio¡£ÕâÁ½¸öƽ̨µÄÀí½â¡¢¹¹½¨¡¢ÔËά±¾Éí¾ÍºÜ¸´ÔÓ£¬Èç½ñÓÖ¼ÓÉÏ knative Õû¸öƽ̨£¬ÐèÒªÁ˽âµÄ¸ÅÄî¶¼Òª¼¸Ê®¸ö£¬¸ü²»ÒªÌáÂ䵨¹ý³ÌÖлáÓöµ½µÄ¸÷ÖÖÎÊÌâ¡£

¶ÔÓÚ¹«ÓÐÔÆÀ´Ëµ£¬kubernetes ºÍ istio ÕâЩµ×²ãƽ̨¿ÉÒÔ½»¸øÔƹ©Ó¦ÉÌÀ´Î¬»¤£¨±ÈÈç google Function£©£¬µ«ÊǶÔÓÚÄÚ²¿¹¹½¨À´Ëµ£¬ÕâÎÞÒÉÌá¸ßÁËÕû¸ö¼¼ÊõÃż÷£¬¶Ôϵͳ¹ÜÀíÈËÀ´µÄÒªÇó¸ü¸ß¡£

ÈçºÎ°²×°²¿ÊðÕû¸ö¼¯Èº£¿ÈçºÎ¶Ô¼¯Èº×öÉý¼¶£¿³öÏÖÎÊÌâÔõôµ÷ÊÔºÍ×·×Ù£¿Ôõô¸üºÃµØºÍÄÚ²¿µÄϵͳ¶Ô½Ó£¿ÕâЩϵͳµÄ×î¼Ñʵ¼ùÊÇʲô£¿Ôõô×öÐÔÄÜÓÅ»¯£¿ËùÓÐÕâЩÎÊÌâ¶¼ÐèÒª¼¯Èº¹ÜÀíÈËԱ˼¿¼²¢Âäʵ¡£

4. º¯ÊýµÄ¿ÉÔËάÐÔ£¿

Ïà¶ÔÓÚ±àд΢·þÎñÀ´Ëµ£¬µ¥¸öº¯ÊýµÄ¸´ÔÓ¶ÈÒѾ­·Ç³£µÍ£¬µ«Êǵ±·Ç³£¶àµÄº¯ÊýÐèÒª¹²Í¬¹¤×÷µÄʱºò£¬ÈçºÎ¹ÜÀíÕâЩº¯Êý¾Í³ÉÁËÒ»¸ö±ØÐë½â¾öµÄÎÊÌâ¡£

ÈçºÎ¿ìËÙÕÒµ½Ä³¸öº¯Êý£¿

ÈçºÎÖªµÀÒ»¸öº¯ÊýµÄ¹¦ÄÜÊÇʲô£¿½ÓÊܵIJÎÊýÊÇʲô£¿

Ôõô±£Ö¤º¯ÊýµÄÉý¼¶²»»áÆÆ»µÔ­ÓеŦÄÜ£¿Éý¼¶Ö®ºóÈçºÎ»Ø¹ö£¿Ôõô¼Ç¼º¯ÊýµÄÀúÊ·°æ±¾Ò»·½Ãæ×·ËÝ£¿

µ±Óжà¸öº¯ÊýÐèҪͬʱ¹¤×÷µÄʱºò£¬Ôõô¶¨ÒåËüÃÇÖ®¼äµÄ¹ØÏµ£¿

º¯Êý³öÏÖÎÊÌâµÄʱºòÈçºÎµ÷ÊÔ£¿

¶ÔÓÚº¯ÊýµÄÔËά£¬Ò»°ãµÄ serverless ƽ̨£¨°üÀ¨ knative£©¶¼ÌṩÁË logging¡¢metrics¡¢tracing Èý¸ö·½ÃæµÄ¹¦ÄÜ¡£Ä¬ÈÏÇé¿öÏ£¬knative ʹÓà EFK£¨Elasticsearch¡¢Fluent¡¢Kibana£©À´ÊÕ¼¯¡¢²éÕҺͷÖÎöÈÕÖ¾£»Ê¹Óà prometheus + grafana À´ÊÕ¼¯ºÍË÷Òý¡¢Õ¹Ê¾ metrics Êý¾Ý£»Ê¹Óà jaeger À´½øÐе÷ÓùØÏµµÄ tracing¡£

Õë¶Ô serverless ÑÜÉú³öÀ´µÄÔËά¹¤¾ßºÍƽ̨»¹²»¹»¶à£¬ÈçºÎµ÷ÊÔÏßÉÏÎÊÌ⻹ûÓп´µ½·Ç³£ºÃµÄ½â¾ö·½°¸¡£

5. knative ³ÉÊì¶È

×îºóÒ»µãÊǹØÓÚ knative ³ÉÊì¶ÈµÄ£¬Ç°ÃæÒѾ­Ìáµ½£¬knative Ŀǰ¸Õ³öÏÖ²»¾Ã¡£ËäÈ»Õû¸ö¿ò¼ÜºÍÉè¼Æ¶¼ÒѾ­´îºÃÁË£¬µ«ÊǺܶàʵÏÖ¶¼±È½Ï³õ¼¶¡£ÕâÀïÌἸµãÀ´Ëµ£º

ΪÁËʵÏÖ autoscaling£¬knative ÔÚÿ¸ö pod ÖÐÌí¼ÓÒ»¸ö½Ð×ö queue proxy µÄ´úÀí£¬Ëü»á×Ô¶¯°ÑÇëÇóµÄ metrics ·¢Ë͸ø autoscaler ×é¼þ×÷Ϊ²Î¿¼¡£ÕâÑùÒ»À´£¬Õû¸öÍøÂçÁ´Â·ÉÏÓÖ¶àÁËÒ»²ã£¬¶ÔÕû¸öÐÔÄÜÊÆ±Ø»áÓÐÓ°Ï죬δÀ´µÄ´òËãÊÇÖ±½ÓʹÓà envoy sidecar À´Ìæ»»µô queue proxy

Ö§³ÖµÄʼþÔ´ºÍÏûϢϵͳ»¹»¹ÓÅÏÈ£¬ÍⲿʼþÖ»Ö§³Ö github¡¢kubernetes ºÍ Google PubSub¡£ Õâ¸öÎÊÌâ¿ÉÒÔÂýÂýÀ©Õ¹£¬knative ±¾Éí»áʵÏֺܳ£ÓõÄʼþÀàÐÍ£¬×Ô¶¨ÒåµÄʼþÔ´Óû§¿ÉÒÔ×Ô¼ºÊµÏÖ

Ŀǰ»¹Ã»Óк¯ÊýµÄ pipeline ¹ÜÀí£¨ÀàËÆ AWS Lambda Step Functions£©£¬¶à¸öº¯ÊýÈçºÎЭ×÷²¢Ã»ÓÐ×Ô¼º´¦Àí¡£ËäȻûÓÐÔÚ¹Ù·½ÎĵµÖп´µ½Õâ·½ÃæµÄ roadmap£¬µ«ÊÇÒÔºóÒ»¶¨»áÓÐÕâ·½ÃæµÄ¹¦ÄÜ£¨²»¹ÜÊÇ knative ±¾ÉíÀ´×ö£¬»¹ÊÇÉçÇø×÷Ϊ¹¤¾ß²¹³äÀ´ÊµÏÖ£©

Õâ·½ÃæµÄÎÊÌâ¶¼²»ÊÇ´óÊÂÇé£¬Ëæ×Å knative °æ±¾µÄµü´ú£¬ÔںܿìµÄʱ¼ä¶¼Äܹ»½â¾ö¡£

   
4104 ´Îä¯ÀÀ       33
Ïà¹ØÎÄÕÂ

ÆóÒµ¼Ü¹¹¡¢TOGAFÓëArchiMate¸ÅÀÀ
¼Ü¹¹Ê¦Ö®Â·-ÈçºÎ×öºÃÒµÎñ½¨Ä££¿
´óÐÍÍøÕ¾µçÉÌÍøÕ¾¼Ü¹¹°¸ÀýºÍ¼¼Êõ¼Ü¹¹µÄʾÀý
ÍêÕûµÄArchimateÊÓµãÖ¸ÄÏ£¨°üÀ¨Ê¾Àý£©
Ïà¹ØÎĵµ

Êý¾ÝÖÐ̨¼¼Êõ¼Ü¹¹·½·¨ÂÛÓëʵ¼ù
ÊÊÓÃArchiMate¡¢EA ºÍ iSpace½øÐÐÆóÒµ¼Ü¹¹½¨Ä£
ZachmanÆóÒµ¼Ü¹¹¿ò¼Ü¼ò½é
ÆóÒµ¼Ü¹¹ÈÃSOAÂ䵨
Ïà¹Ø¿Î³Ì

ÔÆÆ½Ì¨Óë΢·þÎñ¼Ü¹¹Éè¼Æ
ÖÐ̨սÂÔ¡¢ÖÐ̨½¨ÉèÓëÊý×ÖÉÌÒµ
ÒÚ¼¶Óû§¸ß²¢·¢¡¢¸ß¿ÉÓÃϵͳ¼Ü¹¹
¸ß¿ÉÓ÷ֲ¼Ê½¼Ü¹¹Éè¼ÆÓëʵ¼ù