ÉîÈëÀí½âIstio(ÔÆÔ­Éú·þÎñÍø¸ñ½ø½×ʵս)

µÚ 1 Õ Service Mesh ¸ÅÊö ............................................................................................................ 1 1.1 Service Mesh »ù±¾¸ÅÄî ............................................................................................... 2 1.2 ºó Kubernetes ʱ´úµÄ΢·þÎñ ....................................................................................... 5 1.2.1 ÖØÒª¹Ûµã ......................................................................................................... 6 1.2.2 Kubernetes Óë Service Mesh .............................................................................. 6 1.2.3 kube-proxy ×é¼þ ............................................................................................... 8 1.2.4 Kubernetes Ingress Óë Istio Gateway .................................................................. 8 1.2.5 xDS ЭÒé ......................................................................................................... 9 1.2.6 Envoy ............................................................................................................ 11 1.2.7 Istio Service Mesh .......................................................................................... 12 1.3 ʲôÊÇ Istio .............................................................................................................. 12 1.3.1 ΪʲôʹÓà Istio ............................................................................................ 13 1.3.2 Istio µÄƽ̨֧³Ö ............................................................................................ 13 1.4 ±¾ÕÂС½á .................................................................................................................. 14 µÚ 2 Õ ºËÐŦÄÜ .......................................................................................................................... 15 2.1 Á÷Á¿¿ØÖÆ .................................................................................................................. 15 2.1.1 ÇëÇó·ÓɺÍÁ÷Á¿×ªÒÆ ..................................................................................... 16 2.1.2 µ¯ÐÔ¹¦ÄÜ ....................................................................................................... 17 2.1.3 µ÷ÊÔÄÜÁ¦ ....................................................................................................... 18 2.1.4 ʵÏÖÁ÷Á¿¿ØÖƵÄ×Ô¶¨Òå×ÊÔ´ .......................................................................... 19 2.2 °²È« ......................................................................................................................... 20 2.2.1 ÈÏÖ¤ .............................................................................................................. 20 2.2.2 ÊÚȨ .............................................................................................................. 21 2.3 ¿É¹Û²ìÐÔ .................................................................................................................. 21 2.4 ±¾ÕÂС½á .................................................................................................................. 23 µÚ 3 Õ ¼Ü¹¹½âÎö .......................................................................................................................... 24 3.1 Istio µÄ¼Ü¹¹×é³É ....................................................................................................... 24 3.2 Istio µÄÉè¼ÆÄ¿±ê ....................................................................................................... 25 3.3 Istio µÄ¼Ü¹¹±äǨ ....................................................................................................... 26 3.4 ¿ØÖÆƽÃæ .................................................................................................................. 27 3.4.1 Pilot ............................................................................................................... 27 3.4.2 Citadel ........................................................................................................... 37 3.4.3 Galley ............................................................................................................ 40 3.5 Êý¾ÝƽÃæ .................................................................................................................. 45 3.5.1 Êý¾ÝƽÃæµÄ¸ÅÄî ............................................................................................ 45 3.5.2 Sidecar ×¢È뼰͸Ã÷Á÷Á¿½Ù³Ö ......................................................................... 47 3.5.3 Sidecar Á÷Á¿Â·ÓÉ»úÖÆ·ÖÎö ............................................................................. 57 3.5.4 Envoy ............................................................................................................ 86 3.5.5 MOSN ........................................................................................................... 93 3.6 ±¾ÕÂС½á .................................................................................................................. 98 µÚ 4 Õ °²×°Ó벿Êð ...................................................................................................................... 99 4.1 °²×° ......................................................................................................................... 99 4.1.1 »·¾³×¼±¸ ....................................................................................................... 99 4.1.2 °²×° Kubernetes ¼¯Èº ................................................................................... 100 4.1.3 °²×° Istio ..................................................................................................... 100 4.2 Éý¼¶ ....................................................................................................................... 102 4.2.1 ½ð˿ȸÉý¼¶ ................................................................................................. 102 4.2.2 ÈÈÉý¼¶ ......................................................................................................... 104 4.3 Bookinfo ʵÀý ......................................................................................................... 104 4.3.1 »·¾³×¼±¸ ..................................................................................................... 105 4.3.2 ²¿ÊðÓ¦Óà ..................................................................................................... 106 4.3.3 Æô¶¯Ó¦Ó÷þÎñ .............................................................................................. 106 4.3.4 È·¶¨ Ingress µÄ IP µØÖ·ºÍ¶Ë¿Ú ..................................................................... 107 4.3.5 ¼¯ÈºÍⲿ·ÃÎÊÓ¦Óà ....................................................................................... 108 4.4 ±¾ÕÂС½á ................................................................................................................ 108 µÚ 5 Õ Á÷Á¿¿ØÖÆ ........................................................................................................................ 109 5.1 Á÷Á¿¿ØÖÆ CRD ........................................................................................................ 109 5.1.1 VirtualService ............................................................................................... 110 5.1.2 DestinationRule ............................................................................................ 111 5.1.3 Gateway ....................................................................................................... 112 5.1.4 ServiceEntry ................................................................................................. 114 5.1.5 Sidecar ......................................................................................................... 115 5.2 ·ÓÉ ..........