ÿÌì5·ÖÖÓÍæתKubernetes

Ä¿ ¼ µÚ1Õ ÏÈ°Ñ Kubernetes ÅÜÆðÀ´ 1 1.1 ÏÈÅÜÆðÀ´ 1 1.2 ´´½¨ Kubernetes ¼¯Èº 2 1.3 ²¿ÊðÓ¦Óà 4 1.4 ·ÃÎÊÓ¦Óà 5 1.5 Scale Ó¦Óà 6 1.6 ¹ö¶¯¸üР7 1.7 С½á 8 µÚ2Õ ÖØÒª¸ÅÄî 9 µÚ3Õ ²¿Êð Kubernetes Cluster 13 3.1 °²×° Docker 14 3.2 °²×° kubelet¡¢kubeadm ºÍ kubectl 14 3.3 Óà kubeadm ´´½¨ Cluster 14 3.3.1 ³õʼ»¯Master 14 3.3.2 ÅäÖà kubectl 16 3.3.3 °²×°PodÍøÂç 16 3.3.4 Ìí¼Ó k8s-node1 ºÍ k8s-node2 16 3.4 С½á 18 µÚ4Õ Kubernetes ¼Ü¹¹ 19 4.1 Master ½Úµã 19 4.2 Node ½Úµã 20 4.3 ÍêÕûµÄ¼Ü¹¹Í¼ 21 4.4 ÓÃÀý×Ó°ÑËüÃÇ´®ÆðÀ´ 22 4.5 С½á 24 µÚ5Õ ÔËÐÐÓ¦Óà 25 5.1 Deployment 25 5.1.1 ÔËÐÐDeployment 25 5.1.2 ÃüÁî vs ÅäÖÃÎļþ 29 5.1.3 Deployment ÅäÖÃÎļþ¼ò½é 30 5.1.4 ÉìËõ 31 5.1.5 Failover 33 5.1.6 ÓÃlabel ¿ØÖÆ Pod µÄλÖà 33 5.2 DaemonSet 36 5.2.1 kube-flannel-ds 36 5.2.2 kube-proxy 37 5.2.3 ÔËÐÐ×Ô¼ºµÄ DaemonSet 38 5.3 Job 40 5.3.1 Pod ʧ°ÜµÄÇé¿ö 41 5.3.2 Job µÄ²¢ÐÐÐÔ 43 5.3.3 ¶¨Ê± Job 45 5.4 С½á 48 µÚ6Õ ͨ¹ý Service ·ÃÎÊ Pod 49 6.1 ´´½¨ Service 49 6.2 Cluster IP µ×²ãʵÏÖ 51 6.3 DNS ·ÃÎÊ Service 53 6.4 ÍâÍøÈçºÎ·ÃÎÊ Service 55 6.5 С½á 58 µÚ7Õ Rolling Update 59 7.1 ʵ¼ù 59 7.2 »Ø¹ö 61 7.3 С½á 63 µÚ8Õ Health Check 64 8.1 ĬÈϵĽ¡¿µ¼ì²é 64 8.2 Liveness ̽²â 65 8.3 Readiness ̽²â 67 8.4 Health Check ÔÚ Scale Up ÖеÄÓ¦Óà 69 8.5 Health Check ÔÚ¹ö¶¯¸üÐÂÖеÄÓ¦Óà 71 8.6 С½á 75 µÚ9Õ Êý¾Ý¹ÜÀí 76 9.1 Volume 76 9.1.1 emptyDir 76 9.1.2 hostPath 78 9.1.3 Íⲿ Storage Provider 79 9.2 PersistentVolume & PersistentVolumeClaim 81 9.2.1 NFS PersistentVolume 81 9.2.2 »ØÊÕ PV 84 9.2.3 PV ¶¯Ì¬¹©¸ø 86 9.3 Ò»¸öÊý¾Ý¿âÀý×Ó 87 9.4 С½á 91 µÚ10Õ Secret & Configmap 92 10.1 ´´½¨ Secret 92 10.2 ²é¿´ Secret 93 10.3 ÔÚPodÖÐʹÓÃSecret 94 10.3.1 Volume ·½Ê½ 94 10.3.2 »·¾³±äÁ¿·½Ê½ 96 10.4 ConfigMap 97 10.5 С½á 100 µÚ11Õ Helm—KubernetesµÄ°ü¹ÜÀíÆ÷ 101 11.1 Why Helm 101 11.2 Helm ¼Ü¹¹ 103 11.3 °²×° Helm 104 11.3.1 Helm ¿Í»§¶Ë 104 11.3.2 Tiller·þÎñÆ÷ 105 11.4 ʹÓÃHelm 106 11.5 chart Ïê½â 109 11.5.1 chart Ŀ¼½á¹¹ 109 11.5.2 chart Ä£°å 113 11.5.3 ÔÙ´Îʵ¼ù MySQL chart 115 11.5.4 Éý¼¶ºÍ»Ø¹ö release 118 11.5.5 ¿ª·¢×Ô¼ºµÄ chart 119 11.6 С½á 126 µÚ12Õ Íø Âç 127 12.1 Kubernetes ÍøÂçÄ£ÐÍ 127 12.2 ¸÷ÖÖÍøÂç·½°¸ 128 12.3 Network Policy 129 12.3.1 ²¿Êð Canal 129 12.3.2 ʵ¼ù Network Policy 130 12.4 С½á 135 µÚ13Õ Kubernetes Dashboard 136 13.1 °²×° 136 13.2 ÅäÖõǼȨÏÞ 137 13.3 Dashboard ½çÃæ½á¹¹ 139 13.4 µäÐÍʹÓó¡¾° 140 13.4.1 ²¿Êð Deployment 140 13.4.2 ÔÚÏß²Ù×÷ 141 13.4.3 ²é¿´×ÊÔ´ÏêϸÐÅÏ¢ 142 13.4.4 ²é¿´ Pod ÈÕÖ¾ 142 13.5 С½á 143 µÚ14Õ Kubernetes ¼¯Èº¼à¿Ø 144 14.1 Weave Scope 144 14.1.1 °²×° Scope 144 14.1.2 ʹÓà Scope 145 14.2 Heapster 151 14.2.1 ²¿Êð 151 14.2.2 ʹÓà 152 14.3 Prometheus Operator 155 14.3.1 Prometheus ¼Ü¹¹ 159 14.3.2 Prometheus Operator ¼Ü¹¹ 161 14.3.3 ²¿Êð Prometheus Operator 162 14.4 С½á 167 µÚ15Õ Kubernetes ¼¯ÈºÈÕÖ¾¹ÜÀí 168 15.1 ²¿Êð 168 15.2 С½á 173 дÔÚ*ºó 174