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58 lines
1.4 KiB
Markdown
58 lines
1.4 KiB
Markdown
# Redis on Kubernetes
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<a href="https://youtu.be/JmCn7k0PlV4" title="redis-k8s"><img src="https://i.ytimg.com/vi/JmCn7k0PlV4/hqdefault.jpg" width="20%" alt="redis-k8s" /></a>
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Create a cluster with [kind](https://kind.sigs.k8s.io/docs/user/quick-start/)
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```
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kind create cluster --name redis --image kindest/node:v1.23.5
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```
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## Namespace
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```
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kubectl create ns redis
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```
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## Storage Class
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```
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kubectl get storageclass
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NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
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standard (default) rancher.io/local-path Delete WaitForFirstConsumer false 84s
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```
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## Deployment: Redis nodes
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```
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cd storage/redis/kubernetes/
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kubectl apply -n redis -f ./redis/redis-configmap.yaml
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kubectl apply -n redis -f ./redis/redis-statefulset.yaml
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kubectl -n redis get pods
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kubectl -n redis get pv
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kubectl -n redis logs redis-0
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kubectl -n redis logs redis-1
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kubectl -n redis logs redis-2
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```
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## Test replication status
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```
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kubectl -n redis exec -it redis-0 -- sh
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redis-cli
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auth a-very-complex-password-here
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info replication
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```
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## Deployment: Redis Sentinel (3 instances)
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```
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cd storage/redis/kubernetes/
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kubectl apply -n redis -f ./sentinel/sentinel-statefulset.yaml
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kubectl -n redis get pods
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kubectl -n redis get pv
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kubectl -n redis logs sentinel-0
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``` |