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Sample Kubernetes Resource Files for Shared All Storage

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yogita edited this page May 23, 2022 · 5 revisions

TIBCO BusinessEvents provides sample YAML files at BE_HOME\cloud\kubernetes\<cloud_name>\cache\shared-all.

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 the sample database and common 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 mysql.yaml StatefulSet Set up the MySQL node with the MySQL container. Specify the CentOS based MySQL container image to create the container. Specify the port that you have forwarded as the container port. Specify the persistent volume claims to be used for the MySQL database.
mysql-service.yaml Service (Internal) Set up the service for connecting to the MySQL database.
persistent-volume-and-claim.yaml PersistentVolume PersistentVolumeClaim Set up the persistent volume and persistent volume claims to be used in MySQL. The MySQL node uses this persistent volume claims for storage. Specify the amount of storage to be allocated to this volume. This sample file uses NFS plugin for the volume. Provide path of the folder that you have created, and server URL for mounting that folder.
Microsoft Azure (MySQL) mysql.yaml StatefulSet PersistentVolumeClaim Set up the MySQL node with the MySQL container. Specify the MySQL container image to create the container. Specify the port that you have forwarded as the container port. Specify the PVC to be used for the MySQL database.
mysql-service.yaml Service (Internal) Set up the service for connecting to the MySQL database.
Enterprise PKS mysql.yaml StatefulSet Set up the MySQL node with the mysql container from the Docker hub. Specify the port that you have forwarded as the container port. Define the volume by using the PersistentVolumeClaim defined in the persistent-volume-and-claim.yaml file for the database storage. Also provide the path of the folder to mount the volume.
mysql-service.yaml Service (Internal) Set up the service for connecting to the MySQL database.
persistent-volume-claim.yaml StorageClass PersistentVolumeClaim Setup the StorageClass with gce-pd provisioner and its PersistentVolumeClaim to be used for the MySQL database. The MySQL node uses this PersistentVolumeClaim for storage. Specify the amount of storage to be allocated to this PersistentVolumeClaim.
File Name Resource Resource Type Description
db-configmap.yaml ConfigMap ConfigMap Set up the environment variables for the database connection. These environment variables are used by deployment instances (bediscoverynode.yaml, becacheagent.yaml, and beinferenceagent.yaml) for connection to the database.
bediscoverynode.yaml Discovery node Deployment Set up the discovery node with the application container for the starting the cluster. Specify the application container image to create the container. Provide a label which is used by the discovery node service as selector. Specify only one replica of the discovery node. Use the ConfigMap environment variables to provide database connection values for the global variables that are used in the application.
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. Specify the label of the discovery node as selector. Specify the protocol and port that is used by other nodes to connect to this service.
becacheagent.yaml Cache agent node Deployment Set up the cache agent node with the application container for the cluster. Specify the application container image to create the container. Specify replicas value based on the number of cache agent you want to start. Connect to the discovery node service using the discovery protocol and port specified in the discovery node service. Provide database connection values for the global variables that are used in the application, using the ConfigMap environment variables.
beinferenceagent.yaml Inference agent node Deployment Set up an inference agent with the application container for connecting to external APIs. Specify the application container image to create the container. Provide a label to the deployment 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. Provide database connection values for the global variables, that are used in the application, using the ConfigMap environment variables.
befdservice.yaml Inference agent service Service (LoadBalancer/External) Set up an external service to connect to the inference agent. Specify label of the inference agent as selector for the service. Specify the protocol and port to connect to this service externally.

Parent topic: Appendix: Sample YAML Files for Kubernetes Cluster

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