Amaury Borges Souza amaurybsouza
amaurybsouza
/ gist:80606163b6d0f6b8a7f4fd75e50cc250
Created
June 19, 2022 13:52
kubernetes_cluster_health
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| # kubectl get events --all-namespaces --sort-by=.metadata.creationTimestamp | |
| NAMESPACE LAST SEEN TYPE REASON OBJECT MESSAGE | |
| default 40m Normal Pulling pod/busybox Pulling image "busybox" | |
| default 40m Normal Created pod/busybox Created container busy | |
| default 40m Normal Started pod/busybox Started container busy | |
| default 60m Warning NodeNotReady pod/busybox Node is not ready | |
| kube-system 60m Warning NodeNotReady pod/kube-proxy-qgq98 Node is not ready | |
| default 60m Normal NodeNotReady node/kubernetes-node03 Node kubernetes-node03 status is now: NodeNotReady | |
| kube-system 60m Warning NodeNotReady pod/weave-net-md4dr Node is not ready | |
| default 62m Normal NodeHasNoDiskPressure node/ku |
amaurybsouza
/ gist:3eabfb3d080b28dc549dd0ee5f306745
Created
June 19, 2022 13:23
ansible_cluster_nodes
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| # ansible k8s -m shell -a "kubectl get nodes" -i inventory.yml | |
| k8s | CHANGED | rc=0 >> | |
| NAME STATUS ROLES AGE VERSION | |
| kubernetes-cluster Ready control-plane 21h v1.24.1 | |
| kubernetes-node01 Ready <none> 21h v1.24.1 | |
| kubernetes-node02 Ready <none> 20h v1.24.1 | |
| kubernetes-node03 Ready <none> 21h v1.24.1 |
amaurybsouza
/ gist:3a0805932ebe4a5b94c99744a14ef819
Created
June 19, 2022 13:19
ansible_cluster_ping
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| # ansible kubernetes -m ping -i inventory.yml | |
| k8s | SUCCESS => { | |
| "ansible_facts": { | |
| "discovered_interpreter_python": "/usr/bin/python" | |
| }, | |
| "changed": false, | |
| "ping": "pong" | |
| } | |
| node3 | SUCCESS => { | |
| "ansible_facts": { |
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| apiVersion: apps/v1 | |
| kind: Deployment | |
| metadata: | |
| labels: | |
| app: grafana | |
| name: grafana | |
| namespace: devops-monitoring | |
| spec: | |
| progressDeadlineSeconds: 600 | |
| replicas: 1 |
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| # kubectl get services -n devops-monitoring grafana | |
| NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE | |
| grafana NodePort 10.97.192.171 <none> 3000:30127/TCP 8m22s |
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| # kubectl -n devops-monitoring expose deployment grafana --type="NodePort" --port 3000 | |
| service/grafana exposed |
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| # kubectl get deployments.apps -n devops-monitoring | |
| NAME READY UP-TO-DATE AVAILABLE AGE | |
| grafana 1/1 1 1 11h |
amaurybsouza
/ gist:372831fdf1eb423dbf50db3812b76835
Created
May 18, 2022 00:28
kubernetes-namespaces-cluster
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| # kubectl get namespaces | |
| NAME STATUS AGE | |
| default Active 10d | |
| devops Active 38h | |
| devops-monitoring Active 11h | |
| infrastruture Active 37h | |
| kube-node-lease Active 10d | |
| kube-public Active 10d | |
| kube-system Active 10d |
amaurybsouza
/ gist:0fe0b2403db1ba596d08f97304df5e35
Created
May 18, 2022 00:25
kubernetes-deployment
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| # kubectl create deployment grafana -n devops-monitoring --image=docker.io/grafana/grafana:latest | |
| deployment.apps/grafana created |
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| # kubectl create namespace devops-monitoring | |
| namespace/devops-monitoring created |