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WebLogic JRF domain with OCI DB

This solution creates single/multi node Weblogic cluster with OCI Database and Oracle Identity Cloud Service fronted by a load balancer.

This topology uses existing infrastructure.

  • Existing VCN and existing subnets with private WebLogic subnet.
  • OCI DB in a different VCN
  • Existing public load balancer

Oracle Identity Cloud Service (IDCS) is used to authenticate user.

Full Topology Diagram

The above diagram shows a topology that includes most of the components supported by the Terraform scripts. In this scenario, the WebLogic servers are in a private subnet. To access the applications running on WebLogic, an existing OCI load balancer in public regional subnet is used. A bastion instance with a public IP address is provisioned to allow access to the VMs in the private subnet. The Oracle WebLogic Server domain is configured to use Oracle Identity Cloud Service for authentication.

The diagram shows the WebLogic domain using a database located in a different VCN, with VCN peering. Peering is necessary because DB VCN is different from WebLogic VCN. Since existing VCNs are used here, VCNs for WebLogic Server compute instances and the Oracle Cloud Infrastructure Application Database are peered manually before creating the stack for the WebLogic domain. To peer the VCNs manually, see Manual VCN Peering.

Before You Begin with OCI Terraform stack for WebLogic Server

Refer to the documentation for the pre-requisite steps to use the OCI Terraform stack for WebLogic Server.

Workspace Checkout

  • Install the latest version of git from http://git-scm.com/downloads
  • For Linux and Mac: Add git to the PATH
  • Clone the code using the command:
git clone https://github.com/oracle-quickstart/oci-weblogic-server.git

Organization

The directory oci-weblogic-server/solutions/jrf consists of the following terraform files:

  • jrf_instance.tfvars - WebLogic instance, bastion instance and network configuration
  • existing_lb.tfvars - Load balancer configuration
  • oci_db.tfvars - OCI Database configuration
  • idcs.tfvars - IDCS configuration

The directory oci-weblogic-server/solutions/common consists of the following:

  • tenancy.tfvars - tenancy configuration

The files in the oci-weblogic-server/images directory contain the values of the images for the different combinations of WebLogic edition and pricing. In this solution, the file mp_image_ee_byol.tfvars is used to create a WebLogic Enterprise Edition, BYOL instance. Specify a different file to use a different edition and/or pricing.

See the License section for more information to help you decide which mp_image*.tfvars_ file to use.

Using the Terraform command line tool

cd oci-weblogic-server/terraform

Initialize the terraform provider plugin

terraform init

Update the variable values in tfvars files under directories terraform/solutions/common and terraform/solutions/jrf according to the user specific values. Invoke apply passing all *.tfvars files as input

terraform apply -var-file=../solutions/common/tenancy.tfvars -var-file=images/mp_image_ee_byol.tfvars -var-file=../solutions/jrf/jrf_instance.tfvars -var-file=../solutions/jrf/existing_lb.tfvars -var-file=../solutions/jrf/idcs.tfvars var-file=../solutions/jrf/oci_db.tfvars

To destroy the infrastructure

terraform destroy var-file=../solutions/common/tenancy.tfvars -var-file=images/mp_image_ee_byol.tfvars -var-file=../solutions/jrf/jrf_instance.tfvars -var-file=../solutions/jrf/existing_lb.tfvars -var-file=../solutions/jrf/idcs.tfvars var-file=../solutions/jrf/oci_db.tfvars

Important: Refer to documentation for steps to perform before running terraform destroy.