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Showing content from https://github.com/GreptimeTeam/helm-charts below:

GreptimeTeam/helm-charts: Helm charts for GreptimeDB deployment.

This is the repository that contains Greptime Helm charts.

• Helm v3

You can add the chart repository with the following commands:

helm repo add greptime https://greptimeteam.github.io/helm-charts/
helm repo update

You can run the following command to see the charts:

helm search repo greptime

Besides using the GitHub chart repo, you can also use OCI artifacts.

The charts are also available in ACR namespace greptime-registry.cn-hangzhou.cr.aliyuncs.com/charts.

You don't have to add a chart repository explicitly when using OCI artifacts, for example:

helm upgrade \
  --install \
  --create-namespace \
  --set image.registry=greptime-registry.cn-hangzhou.cr.aliyuncs.com \
  greptimedb-operator oci://greptime-registry.cn-hangzhou.cr.aliyuncs.com/charts/greptimedb-operator \
  -n greptimedb-admin

The chart name and version will remain consistent with the GitHub chart repo.

If you want to deploy the GreptimeDB cluster, you can use the following commands:

1. Deploy etcd cluster

   We recommend using the Bitnami etcd chart to deploy the etcd cluster:

   helm upgrade \
     --install etcd oci://registry-1.docker.io/bitnamicharts/etcd \
     --set replicaCount=3 \
     --set auth.rbac.create=false \
     --set auth.rbac.token.enabled=false \
     --create-namespace \
     -n etcd-cluster

   You can also use oci://greptime-registry.cn-hangzhou.cr.aliyuncs.com/charts/etcd:11.3.4.

   For detailed operations (backup, restore, monitoring, defrag), refer to the etcd management guide.

2. Deploy GreptimeDB operator

   The greptimedb-operator will install in the greptimedb-admin namespace:

   helm upgrade \
     --install \
     --create-namespace \
     greptimedb-operator greptime/greptimedb-operator \
     -n greptimedb-admin

3. Deploy GreptimeDB cluster

   Install the GreptimeDB cluster in the default namespace:

   • Default installation

     The default installation will use the local storage:

     helm upgrade \
       --install mycluster \
       --set meta.backendStorage.etcd.endpoints=etcd.etcd-cluster.svc.cluster.local:2379 \
       greptime/greptimedb-cluster \
       -n default

   • Use AWS S3 as backend storage

     Before installation, you must create the AWS S3 bucket, and the cluster will use the bucket as backend storage:

     helm upgrade \
       --install mycluster \
       --set meta.backendStorage.etcd.endpoints=etcd.etcd-cluster.svc.cluster.local:2379 \
       --set objectStorage.s3.bucket="your-bucket" \
       --set objectStorage.s3.region="region-of-bucket" \
       --set objectStorage.s3.root="root-directory-of-data" \
       --set objectStorage.credentials.accessKeyId="your-access-key-id" \
       --set objectStorage.credentials.secretAccessKey="your-secret-access-key" \
       greptime/greptimedb-cluster \
       -n default

4. Use kubectl port-forward to access the GreptimeDB cluster

   # You can use the MySQL or PostgreSQL client to connect the cluster, for example: 'mysql -h 127.0.0.1 -P 4002'.
   kubectl port-forward -n default svc/mycluster-frontend 4001:4001 4002:4002 4003:4003 4000:4000

   If you want to expose the service to the public, you can use the kubectl port-forward command with the --address option:

   kubectl port-forward --address 0.0.0.0 svc/mycluster-frontend 4001:4001 4002:4002 4003:4003 4000:4000

   You can also read and write data by referring to the documentation.

If you want to re-deploy the service because the configurations changed, you can:

helm upgrade --install <your-release> <chart> --values <your-values-file> -n <namespace>

For example:

helm upgrade --install mycluster greptime/greptimedb-cluster --values ./values.yaml

If you want to terminate the GreptimeDB cluster, you can use the following command:

helm uninstall mycluster -n default
helm uninstall etcd -n etcd-cluster
helm uninstall greptimedb-operator -n greptimedb-admin

The CRDs of GreptimeDB are not deleted by default after uninstalling greptimedb-operator unless you use --set crds.keep=false.

You can delete CRDs manually by the following commands:

kubectl delete crds greptimedbclusters.greptime.io
kubectl delete crds greptimedbstandalones.greptime.io

• greptimedb-operator
• greptimedb-standalone
• greptimedb-cluster

helm-charts uses the Apache 2.0 license to strike a balance between open contributions and allowing you to use the software however you want.

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