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Sample YAML Files for Applications with Shared Nothing Persistence

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nthota edited this page Jun 3, 2021 · 7 revisions

TIBCO BusinessEvents provides sample YAML files at BE_HOME\cloud\kubernetes<cloud_name>\cache\shared-nothing for deploying TIBCO BusinessEvents application with shared nothing persistence.

Note: If you are using global variable group in YAML files, instead of the slash '/' delimiter between global variable group name and global variable name, use "_gv_". For example, port is a global variable which is part of the VariableGP global variable group, then instead of using VariableGP/port in YAML files, use VariableGP_gv_port. Also, ensure that you do not use the "gv" token in any global variable group name or global variable name.

The following tables list Kubernetes object specification files provided for cloud platforms. For details on the Kubernetes objects used and YAML files, see the Kubernetes documentation.

Cloud Platform File Name Resource Type Description
OpenShift Container Platform persistentvol.yaml PersistentVolume Set up the persistent volume for the agent in the Kubernetes cluster. Specify the name for the persistent volume, which the cache agent and inference agent uses to create persistent volume claims (PVCs). Specify the amount of storage to be allocated to this volume. This sample file uses the NFS plugin for the volume. Provide path of the folder that you have created, and server URL for mounting that folder.
Microsoft Azure manifest.yaml (for Azure disk storage) StorageClass Set up the persistent volume for the Azure File provisioner type. Provide the mount options based on the Kubernetes version. For details, see Microsoft Azure documentation.
Amazon Web Services (AWS) manifest.yaml ConfigMap Deployment, StorageClass Set up the ConfigMap with the EFS file system details. Also, set up the deployment to create a container with the EFS provisioner and persistent volume.
Enterprise PKS manifest.yaml StorageClass Set up a StorageClass of the GCP persistent disk in the Kubernetes cluster. Set the provisioner field as kubernetes.io/gce-pd. You can use this StorageClass to provision persistence volume claims for the cache and inference agents. For more information, see Storage Classes in Kubernetes.
File Name Resource Resource Type Description
bediscovery-service.yaml Discovery node service Service (Internal) Set up an internal service for connecting non-discovery nodes of the cluster to the discovery node. In case of the shared nothing persistence, the first cache agent node is the discovery node. Set the selector value as the label of the cache agent defined in becacheagent.yaml . Other nodes in the cluster use this service to connect to the discovery node. Specify protocol and port that are used by other nodes to connect to this service.
becacheagent.yaml Cache agent node StatefulSet Set up the cache agent node of the application container for the cluster. Specify the application container image to create the container. Specify replicas value (minimum value is 1) and start as many cache agent as specified in the value. Connect to the discovery node service using the discovery protocol and port specified in the discovery node service. Also, specify the details of the persistent volume claims based on the storage used by the cloud platform.
beinferenceagent.yaml Inference agent node StatefulSet Set up an inference agent of the application container for connecting to external APIs. Specify the application container image to create the container. Provide a label to the StatefulSet which the inference agent service can use as selector. Specify at least one replica of the inference agent node. Connect to the discovery node service using the discovery protocol and port specified in the discovery node service. Also, specify the details of the persistent volume claims based on the storage used by the cloud platform.
befdservice.yaml Inference agent service Service (LoadBalancer/External) Set up an external service to connect to the inference agent. Set the selector value as the label of the inference agent defined in beinferenceagent.yaml. Specify protocol and port to connect to this service externally.

Parent topic: Appendix: Sample YAML Files for Kubernetes Cluster

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