Calico configuration of K8S components (PART 14)

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Calico is an interesting virtual network solution. It fully uses routing rules to realize dynamic networking, and announces routes through BGP protocol.

1、 Calico Configuration

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2、 Calico Verification

 <trans data-src="[root@<span class='keyword-inner'><a href="">[root@<span class='keyword-inner'><a href="</trans> <trans data-src="https://note.t4x.org/kubernetes/">https://note.t4x.org/kubernetes/</trans> <trans data-src="" title="K8S,kubernetes" target="_blank">K8S</a></span>-master01 ~]# kubectl get po -n kube-system">" title="K8S,kubernetes" target="_blank">K8S</a></span>-master01 ~]# kubectl get po -n kube-system</trans> <trans data-src="NAME                                       READY   STATUS             RESTARTS      AGE">NAME                                       READY   STATUS             RESTARTS      AGE</trans> <trans data-src="calico-kube-controllers-86d8c4fb68-2wz7r   0/1     Running            2 (27s ago)   3m18s">calico-kube-controllers-86d8c4fb68-2wz7r   0/1     Running            2 (27s ago)   3m18s</trans> <trans data-src="calico-node-c4k2t                          0/1     Running            2 (38s ago)   3m18s">calico-node-c4k2t                          0/1     Running            2 (38s ago)   3m18s</trans> <trans data-src="calico-node-cqc8m                          0/1     Running            1 (48s ago)   3m18s">calico-node-cqc8m                          0/1     Running            1 (48s ago)   3m18s</trans> <trans data-src="calico-node-lwt6t                          0/1     Running            1 (58s ago)   3m18s">calico-node-lwt6t                          0/1     Running            1 (58s ago)   3m18s</trans> <trans data-src="calico-node-np456                          0/1     Running            1 (58s ago)   3m18s">calico-node-np456                          0/1     Running            1 (58s ago)   3m18s</trans> <trans data-src="calico-node-qppwd                          0/1     Running            1 (18s ago)   3m18s">calico-node-qppwd                          0/1     Running            1 (18s ago)   3m18s</trans> <trans data-src="calico-node-s6c7w                          0/1     Running            2 (28s ago)   3m18s">calico-node-s6c7w                          0/1     Running            2 (28s ago)   3m18s</trans> <trans data-src="calico-typha-768795f74d-lqgr9              0/1     ImagePullBackOff   0             3m18s">calico-typha-768795f74d-lqgr9              0/1     ImagePullBackOff   0             3m18s</trans> <trans data-src="[">[</trans> <trans data-src="root@k8s-master01">root@k8s-master01</trans> <trans data-src=" ~]# kubectl describe pod calico-typha-768795f74d-lqgr9 "> ~]# kubectl describe pod calico-typha-768795f74d-lqgr9 </trans> <trans data-src="Error from server (NotFound): pods "calico-typha-768795f74d-lqgr9" not found">Error from server (NotFound): pods "calico-typha-768795f74d-lqgr9" not found</trans> <trans data-src="[">[</trans> <trans data-src="root@k8s-master01">root@k8s-master01</trans> <trans data-src=" ~]# kubectl get po -n kube-system"> ~]# kubectl get po -n kube-system</trans> <trans data-src="NAME                                       READY   STATUS    RESTARTS        AGE">NAME                                       READY   STATUS    RESTARTS        AGE</trans> <trans data-src="calico-kube-controllers-86d8c4fb68-2wz7r   1/1     Running   6 (4m9s ago)    10m">calico-kube-controllers-86d8c4fb68-2wz7r   1/1     Running   6 (4m9s ago)    10m</trans> <trans data-src="calico-node-c4k2t                          1/1     Running   6 (3m58s ago)   10m">calico-node-c4k2t                          1/1     Running   6 (3m58s ago)   10m</trans> <trans data-src="calico-node-cqc8m                          1/1     Running   6 (3m8s ago)    10m">calico-node-cqc8m                          1/1     Running   6 (3m8s ago)    10m</trans> <trans data-src="calico-node-lwt6t                          1/1     Running   6 (3m18s ago)   10m">calico-node-lwt6t                          1/1     Running   6 (3m18s ago)   10m</trans> <trans data-src="calico-node-np456                          1/1     Running   6 (3m18s ago)   10m">calico-node-np456                          1/1     Running   6 (3m18s ago)   10m</trans> <trans data-src="calico-node-qppwd                          1/1     Running   6 (2m38s ago)   10m">calico-node-qppwd                          1/1     Running   6 (2m38s ago)   10m</trans> <trans data-src="calico-node-s6c7w                          1/1     Running   6 (3m48s ago)   10m">calico-node-s6c7w                          1/1     Running   6 (3m48s ago)   10m</trans> <trans data-src="calico-typha-768795f74d-lqgr9              1/1     Running   0               10m">calico-typha-768795f74d-lqgr9              1/1     Running   0               10m</trans>

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[ root @ k8s - master01 ~ ] # kubectl get po -n kube-system

NAME READY STATUS RESTARTS AGE

calico - kube - controllers - 86d8c4fb68 - 2wz7r zero / one Running two ( 27s ago ) 3m18s

calico - node - c4k2t zero / one Running two ( 38s ago ) 3m18s

calico - node - cqc8m zero / one Running one ( 48s ago ) 3m18s

calico - node - lwt6t zero / one Running one ( 58s ago ) 3m18s

calico - node - np456 zero / one Running one ( 58s ago ) 3m18s

calico - node - qppwd zero / one Running one ( 18s ago ) 3m18s

calico - node - s6c7w zero / one Running two ( 28s ago ) 3m18s

calico - typha - 768795f74d - lqgr9 zero / one ImagePullBackOff zero 3m18s

[ root @ k8s - master01 ~ ] # kubectl describe pod calico-typha-768795f74d-lqgr9

Error from server ( NotFound ) : pods "calico-typha-768795f74d-lqgr9" not found

[ root @ k8s - master01 ~ ] # kubectl get po -n kube-system

NAME READY STATUS RESTARTS AGE

calico - kube - controllers - 86d8c4fb68 - 2wz7r one / one Running six ( 4m9s ago ) 10m

calico - node - c4k2t one / one Running six ( 3m58s ago ) 10m

calico - node - cqc8m one / one Running six ( 3m8s ago ) 10m

calico - node - lwt6t one / one Running six ( 3m18s ago ) 10m

calico - node - np456 one / one Running six ( 3m18s ago ) 10m

calico - node - qppwd one / one Running six ( 2m38s ago ) 10m

calico - node - s6c7w one / one Running six ( 3m48s ago ) 10m

calico - typha - 768795f74d - lqgr9 one / one Running zero 10m

SourceByrd's Weblog- https://note.t4x.org/ Kubernetes /k8s-calico-configure/ SourceByrd's Weblog- https://note.t4x.org/kubernetes/k8s-calico-configure/

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1、 Calico Configuration

2、 Calico Verification

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