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README.md

Oracle Fusion Middleware Infrastructure on Docker

This Docker configuration has been used to create the Oracle Fusion Middleware Infrastructure image. Providing this FMW image facilitates the configuration and environment setup for DevOps users. This project includes the creation of an FMW Infrastructure domain.

The certification of the Oracle FMW Infrastructure on Docker does not require the use of any file presented in this repository. Customers and users are welcome to use them as starters, and customize, tweak, or create from scratch, new scripts and Dockerfiles.

How to build and run

This project offers a sample Dockerfile and scripts to build an Oracle Fusion Middleware Infrastructue 12cR2 (12.2.1.x) image. To assist in building the image, you can use the buildDockerImage.sh script. See below for instructions and usage.

The buildDockerImage.sh script is a utility shell script that takes the version of the image that needs to be built. Expert users are welcome to directly call docker build with their prefered set of parameters.

Building the Oracle JDK (Server JRE) base image

You must first download the Oracle Server JRE binary, locate it in the folder, ../OracleJava/java-8, and build that image. For more information, see the OracleJava folder's README file.

    $ cd ../OracleJava/java-8
    $ sh build.sh

You can also pull the Oracle Server JRE 8 image from the Oracle Container Registry or the Docker Store. When pulling the Server JRE 8 image, re-tag the image so that it works with the existing Dockerfiles.

    $ docker tag container-registry.oracle.com/java/serverjre:8 oracle/serverjre:8
    $ docker tag store/oracle/serverjre:8 oracle/serverjre:8

Building the Oracle FMW Infrastructure 12.2.1.x base image

IMPORTANT: If you are building the Oracle FMW Infrastructure image, you must first download the Oracle FMW Infrastructure 12.2.1.x binary and locate it in the folder, ../OracleFMWInfrastructure/dockerfiles/12.2.1.x.

    $ sh buildDockerImage.sh
    Usage: buildDockerImage.sh -v [version]
    Builds a Docker Image for Oracle FMW Infrastructure.

    Parameters:
       -v: version to build. Required.
       Choose : 12.2.1.x
       -c: enables Docker image layer cache during build
       -s: skips the MD5 check of packages

    LICENSE UPL 1.0

    Copyright (c) 2014-2018 Oracle and/or its affiliates. All rights reserved.

IMPORTANT: The resulting images will have a domain with an Administration Server and one Managed Server by default. You must extend the image with your own Dockerfile, and create your domain using WLST.

A sample FMW Infrastructure domain

The image oracle/fmw-infrastructure:12.2.1.x will configure a base_domain with the following settings:

  • Admin Username: weblogic
  • Admin Password: Auto-generated
  • DB Schema Password: Auto-generated
  • DB Username: sys
  • DB Password: Auto-generated at runtime by the DB container
  • RCU Prefix: INFRA6
  • Oracle Linux Username: oracle
  • Oracle Linux Password: welcome1
  • Domain Name: InfraDomain
  • Admin Server on port: 7001
  • Managed Server on port: 8001
  • Production Mode: production

Admin password and database schema password

On the first startup of the container, a random password will be generated for the Administration of the domain. You can find this password in the output line:

Oracle WebLogic Server auto generated Admin password:

An Oracle database schema password will be generated randomly. You can find this password in the output line:

Database Schema password Auto Generated :

If you need to find the passwords at a later time, grep for password in the Docker logs generated during the startup of the container. To look at the Docker container logs, run:

$ docker logs --details <Container-id>

Write your own Oracle Fusion Middleware Infrastructure domain with WLST

The best way to create your own domain, or extend an existing domain, is by using the WebLogic Scripting Tool. You can find an example of a WLST script to create domains at createInfraDomain.py. You may want to tune this script with your own setup to create datasources and connection pools, security realms, deploy artifacts, and so on. You can also extend images and override an existing domain, or create a new one with WLST.

Running the Oracle FMW Infrastructure domain Docker image

To run an FMW Infrastructure domain sample container, you will need the FMW Infrastructure domain image and an Oracle database. The Oracle database could be remote or running in a container. If you want to run the Oracle database in a container, you can either pull the image from the Docker Store or the Oracle Container Registry, or build your own image using the Dockerfiles and scripts in this Git repository.

Follow the steps below:

  1. Create the Docker network for the infra server to run:
`$ docker network create -d bridge InfraNET`
  1. Run the database container to host the RCU schemas The Oracle database server container requires custom configuration parameters for starting up the container. These custom configuration parameters correspond to the datasource parameters in the FMW Infrastructure image to connect to the database running in the container. Add to an env.txt file the following parameters:
`DB_SID=InfraDB`

`DB_PDB=InfraPDB1`

`DB_DOMAIN=us.oracle.com`

`DB_BUNDLE=basic`

`$ docker run -d --name InfraDB --network=InfraNET -p 1521:1521 -p 5500:5500 --env-file env.txt -it --shm-size="8g" container-registry.oracle.com/database/enterprise:12.2.0.1`

Verify that the database is running and healthy. The STATUS field shows healthy in the output of docker ps.

The database is created with the default password Oradoc_db1. To change the database password, you must use sqlplus. To run sqlplus, pull the Oracle Instant Client from the Oracle Container Registry or the Docker Store, and run a sqlplus container with the following command:

$ docker run -ti --network=InfraNET --rm store/oracle/database-instantclient:12.2.0.1 sqlplus sys/Oradoc_db1@InfraDB:1521/InfraDB.us.oracle.com AS SYSDBA

SQL> alter user sys identified by MYDBPasswd container=all;
  1. To build the 12.2.1.x FMW Infrastructure image, run:
`$ sh buildDockerImage.sh -v 12.2.1.x`
  1. Verify you now have this image in place with:
`$ docker images`
  1. Start a container to launch the Administration Server from the image created in step 3.

The environment variables used to configure the InfraDomain are defined in the infraDomain.env.list file. In infraDomain.env.list, replace the values for the database and WebLogic passwords.

  1. Call docker run from the dockerfiles/12.2.1.x directory where the infraDomain.env.list file is located and pass in the file name at runtime.

  2. To run an Administration Server container, call:

`$ docker run -d -p 9001:7001 --network=InfraNET -v $HOST_VOLUME:/u01/oracle/user_projects --name InfraAdminContainer --env-file ./infraDomain.env.list oracle/fmw-infrastructure:12.2.1.X`

Where $HOST_VOLUME stands for a directory on the host where you map your domain directory and both the Administration Server and Managed Server containers can read/write to.

  1. Access the Administration Console:
`$ docker inspect --format '{{.NewworkSettings.IPAddress}}' <container-name>`
    This returns the IP address of the container (for example, `xxx.xx.x.x`).  Go to your browser and enter `http://xxx.xx.x.x:9001/console`

    Because the container ports are mapped to the host port, you can access it using the `hostname` as well.
  1. Start a container to launch the Managed Server from the image created in step 3.

The environment variables used to run the Managed Server image are defined in the file, infraserver.env.list.

  1. Call docker run from the dockerfiles/12.2.1.x directory where the infraserver.env.list file is located and pass in the file name at runtime.

  2. To run a Managed Server container, call:

`$ docker run -d -p 9801:8001 --network=InfraNET --volumes-from InfraAdminContainer --name InfraManagedContainer --env-file ./infraServer.env.list oracle/fmw-infrastructure:12.2.1.x startManagedServer.sh`

Copyright

Copyright (c) 2014-2018 Oracle and/or its affiliates. All rights reserved.