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How to increase space for your elasticsearch instances in k8s on ECK

Posted on by jlim0930

One of the most common issues of running elasticsearch on k8s is the need to increase space for your elasticsearch-data volume. It is very simple to do so lets demo it. I stood up an environment using my deploy-eck.sh script $ kubectl get pods,pvc NAME READY STATUS RESTARTS AGE pod/eck-lab-es-data-0 1/1 Running 0 112m pod/eck-lab-es-data-1 1/1 Running 0 112m pod/eck-lab-es-data-2 1/1 Running 0 112m pod/eck-lab-es-master-0 1/1 Running 0 112m pod/eck-lab-es-master-1 1/1 Running 0 112m pod/eck-lab-es-master-2 1/1 Running 0 8m12s pod/eck-lab-kb-794785d7f7-zxqlk 1/1 Running 0 110m NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE persistentvolumeclaim/elasticsearch-data-eck-lab-es-data-0 Bound pvc-4081bb0d-1664-46fe-97bd-08520075bbdc 1Gi RWO standard 112m persistentvolumeclaim/elasticsearch-data-eck-lab-es-data-1… Continue Reading →

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Create secrets to use with your elastic stack to create keystore in kubernetes – minio example – helm example included

Posted on by jlim0930

For this example I will stand up a very simple minio server on my localhost. Create kubernetes secrets for the s3.client.default.access_key and s3.client.default.secret_key. Configure my elasticsearch pod with initContainer to install the repository-s3 plugin and secureSettings to create the keystore. minio server This is a very simple, not secure setup just for testing $ mkdir data $ wget https://dl.min.io/server/minio/release/linux-amd64/minio $ chmod +x minio $ ./minio server ./data API: http://192.168.1.251:9000 http://172.17.0.1:9000 http://192.168.122.1:9000 http://192.168.49.1:9000 http://127.0.0.1:9000 RootUser: minioadmin RootPass: minioadmin Console: http://192.168.1.251:36012 http://172.17.0.1:36012 http://192.168.122.1:36012 http://192.168.49.1:36012 http://127.0.0.1:36012 RootUser: minioadmin RootPass: minioadmin Command-line: https://docs.min.io/docs/minio-client-quickstart-guide $ mc alias set myminio http://192.168.1.251:9000 minioadmin minioadmin Instead of getting… Continue Reading →