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Oracle WebCenter Sites 12c R2 (12.2.1.3.0) on Docker

Contents

8. FAQs

1. Introduction

To create web content management solutions, developers need a lightweight environment. Docker images need minimum resources, thereby allowing developers to quickly create development environments.

This project offers scripts to build an Oracle WebCenter Sites image based on 12c R2 (12.2.1.3). Use this Docker configuration to facilitate installation, configuration, and environment setup for DevOps users. For more information about Oracle WebCenter Sites, see the Oracle WebCenter Sites Online Documentation.

This project creates Oracle WebCenter Sites Docker image with a single node targeted for development and testing, and excludes components such as SatelliteServer, SiteCapture, and VisitorServices. This image is supported as per Oracle Support Note 2017945.1.

2. Hardware and Software Requirements

Oracle WebCenter Sites has been tested and is known to run on the following hardware and software:

A. Hardware Requirements

Hardware Size
RAM 16GB
Disk Space 200GB+

B. Software Requirements

Version Command to verify version
OS Oracle Linux 7.3 or higher more /etc/oracle-release
Docker Docker version 17.03 or higher docker –version

3. Prerequisites

Before you begin, ensure to do the following steps:

  1. Use Oracle Linux Server. Download from this location: http://www.oracle.com/technetwork/server-storage/linux/downloads/index.html.

  2. Set the Proxy if required.

  3. To confirm that userid is part of the Docker group, run the below command:

   $ id -Gn <userid>
  • Run 'docker ps -a' command to confirm user is able to connect to Docker engine.

Note: To add/modify user to be part of docker group, see FAQ section.

4. Downloading Docker Images and Oracle WebCenter Sites Binary

Before you begin creating an Oracle WebCenter Sites image on Docker, download the following images of Oracle Fusion Middleware Infrastructure, Oracle Database, and Oracle WebCenter Sites binaries. WebCenter Sites is installed on Oracle Fusion Middleware infrastructure, and it needs Oracle Database for storage.

To download images from Oracle Container Registry (OCR) and Oracle Technology Network (OTN):

Sign in to Oracle Container Registry. Click the Sign in link that's on the top-right of the Web page.

A. To download and Oracle Fusion Middleware Infrastructure image.

  1. Click Middleware and then click Continue for the fmw-infrastructure repository.

  2. Click Accept to accept the license agreement.

  3. To download Oracle Fusion Middleware infrastructure base image:

        $ docker pull container-registry.oracle.com/middleware/fmw-infrastructure:12.2.1.3
    

    Retag the Oracle Fusion Middleware Infrastructure Docker image by running the following command:

        $ docker tag container-registry.oracle.com/middleware/fmw-infrastructure:12.2.1.3 oracle/fmw-infrastructure:12.2.1.3
    

    Note:

    • If you want to download image from the Docker Store, see FAQ section.
    • If you want to build the image from GitHub, see FAQ section.

B. To download and set up Oracle Database Enterprise Edition image.

  1. Click Database and then click Continue for enterprise repository.

  2. Click Accept to accept the license agreement.

  3. From the terminal, execute the following commands:

    Download Oracle Database 12.2.0.1 base image:

        $ docker pull container-registry.oracle.com/database/enterprise:12.2.0.1    
    

    Retag the Oracle Database Docker image by running the following command:

       $ docker tag container-registry.oracle.com/database/enterprise:12.2.0.1 database/enterprise:12.2.0.1
    

    Note:

    • If you want to download image from the Docker Store, see FAQ section.
    • If you want to build the image from GitHub, see FAQ section.

C. To clone and download Oracle WebCenter Sites docker scripts and binary file.

  1. Clone or download the GitHub repository. The repository contains Docker files and scripts to build Docker images for Oracle products.
  2. Download Oracle WebCenter Sites 12c R2 12.2.1.3 binary from Oracle Technology Network.
  3. Save the Oracle WebCenter Sites 12.2.1.3 binary into the cloned repository folder located at: ../docker-images/OracleWebCenterSites/dockerfiles/12.2.1.3/.

5. Building Oracle WebCenter Sites Docker Images

To build Oracle WebCenter Sites Docker image, go to folder located at ../docker-images/OracleWebCenterSites/dockerfiles/ and run the following command:

   $ sh buildDockerImage.sh -v 12.2.1.3

For more information on usage of buildDockerImage.sh command, see FAQ,

IMPORTANT: The resulting image has automated scripts to:

  • Run RCU
  • Create and configure a WebLogic domain
  • Run WebCenter Sites Configuration process while creating an admin container

6. Preparing to Run Oracle WebCenter Sites Docker Container

Configure an environment before running the Oracle WebCenter Sites Docker container. You need to set up a communication network between containers on the same host, data volume to store data, and Database container.

A. Creating a user-defined network
B. Mounting host directory as a data volume
C. Setting up an Oracle Database Docker container

A. Creating a user-defined network

Create a user-defined network to enable containers to communicate by running the following command:

   $ docker network create -d bridge <network_name>

Sample command:

   $ docker network create -d bridge WCSitesNet

B. Mounting host directory as a data volume

You need to mount volumes, which are directories stored outside a container's file system, to store database data files and WebLogic domain files. The default location of the volume in the container is /var/lib/docker/volumes.

This option lets you mount a directory from your host to a container as volume. This volume is used to store database data files and WebLogic server domain files. The volume is created at this location /scratch/WCSitesVolume/.

To mount a host directory as a data volume, execute the below command.

The userid can be anything but it must belong to uid:guid as 1000:1000, which is same as 'oracle' user running in the container. This ensures 'oracle' user has access to shared volume.

	$ sudo /usr/sbin/useradd -u 1000 -g 1000 <new_userid>
	$ mkdir -p /scratch/WCSitesVolume/WCSites /scratch/WCSitesVolume/WCSitesShared
	$ sudo chown 1000:1000 /scratch/WCSitesVolume/WCSites /scratch/WCSitesVolume/WCSitesShared

All container operations are performed as 'oracle' user. Note: If a user already exist with '-u 1000 -g 1000' then use the same user. Or modify any existing user to have uid-gid as '-u 1000 -g 1000'

C. Setting up an Oracle Database Docker container

To set up an Oracle Database Docker container, you must first update the environment file which is passed as a parameter in the command that starts the database container.

1. Update the Environment File

Update the environment db.env.list file, to define the parameters, which is located at ../docker-images/OracleWebCenterSites/dockerfiles/.

db.env.list file details:

   DB_SID=ORCLCDB
   DB_PDB=ORCLPDB1
   DB_DOMAIN=localdomain 
2. Start the Database Container

To run Database container, go to folder where db.env.list file is located at ../docker-images/OracleWebCenterSites/dockerfiles/ and run the following command:

   $ docker run -d --name <container_name> --network=<network_name> -p <database_listener_port>:1521 -p <enterprise_manager_port>:5500 --env-file <environment_file> <repo_name:tag_name>

Sample command:

   $ docker run -d --name WCSites12212Database --network=WCSitesNet -p 1521:1521 -p 5500:5500 --env-file ./db.env.list database/enterprise:12.2.0.1

Database start up command explained:

Parameter Parameter Name Description
--name container_name Database name; set to ‘WCSites12212Database’
--network network_name User-defined network to connect to; use the one created earlier ‘WCSitesNet’
-p database_listener_port Database listener port; set to ‘1521’. Maps the container port to host's port.
-p enterprise_manager_port Enterprise Manager port; set to ‘5500’. Maps the container port to host's port.
database/enterprise:12.2.0.1-ee repo_name:tag_name Repository name, Tag name of the image.

For monitoring Docker container Logs:

    $ docker logs -f --tail 900 WCSites12212Database

Running the above command creates a Container Database (CDB) with one Pluggable Database (PDB).

This is the Database connection string:

   DB_CONNECTSTRING=<hostname/containername>:1521/ORCLPDB1.localdomain

Note: Container name can be given only if the container is located on the same host machine. Ensure SERVICE_NAME is a valid PDB service name in your database as given in the $ORACLE_HOME/admin/ORCLCDB/tnsnames.ora file.

For Additional information like default database password refer https://container-registry.oracle.com, Click Home > Database > enterprise.

7. Running Oracle WebCenter Sites Docker Container

To run the Oracle WebCenter Sites Docker container, you need to create:

  • Admin container to manage the admin server. The admin container performs RCU, ConfigWizard, and WebCenter Sites Configuration processes.
  • Managed container to manage the managed server.

A. Creating Admin container for WebCenter Sites Admin Server

This container is used to manage Admin Server.

1. Update the environment file

wcsitesadminserver.env.list is located at ../docker-images/OracleWebCenterSites/dockerfiles/ that contains parameters that are passed to WebLogic admin server. Update this file with the information pertinent to your environment:

wcsitesadminserver.env.list file details:

    DOCKER_HOST=<IP or Hostname of Docker Host. Should not use 'localhost' as IP or hostname of docker host.>
    DB_CONNECTSTRING=<Hostname/ContainerName>:<Database Port>/<DB_PDB>.<DB_DOMAIN>
    DB_USER=<By default: sys>
    DB_PASSWORD=<Database Password>
    RCU_PREFIX=<RCU_PREFIX>
    DB_SCHEMA_PASSWORD=<database_schema_password: if not provided, it gets auto generated>
    SAMPLES=<To install sample Sites, set samples as true, else set as false>
    DOMAIN_NAME=<Weblogic Domain Name optional>
    SITES_SERVER_NAME=<Sites Server Name optional>
    ADMIN_USERNAME=<Weblogic Admin UserName, default: weblogic>
    ADMIN_PASSWORD=<Weblogic Admin Password: if not provided, it gets auto generated>
	SITES_ADMIN_USERNAME=<Sites Admin UserName, default: ContentServer>
	SITES_ADMIN_PASSWORD=<Sites Admin Password: if not provided, it gets auto generated>
	SITES_APP_USERNAME=<Sites Application UserName, default: fwadmin>
	SITES_APP_PASSWORD=<Sites Application Password: if not provided, it gets auto generated>
	SITES_SS_USERNAME=<Sites SatelliteServer UserName, default: SatelliteServer>
	SITES_SS_PASSWORD=<Sites SatelliteServer Password: if not provided, it gets auto generated>

2. Start the Admin Container

a. To run WebLogic Admin server container, go to folder where wcsitesadminserver.env.list file is located at ../docker-images/OracleWebCenterSites/dockerfiles/.

b. Run the following command and pass the environment file name as a parameter:

   $ docker run -d --name <container_name> --network=<network_name> -p <weblogic_port>:7001 -p <weblogic_ssl_port>:9001 -v <user_projects_volume_dir>:/u01/oracle/user_projects -v <sites_shared_volume_dir>:/u01/oracle/sites-shared --env-file <environment_file> <repo_name:tag_name>

Sample command:

   $ docker run -d --name WCSitesAdminContainer --network=WCSitesNet -p 7001:7001 -p 9001:9001 -v /scratch/WCSitesVolume/WCSites:/u01/oracle/user_projects -v /scratch/WCSitesVolume/WCSitesShared:/u01/oracle/sites-shared --env-file ./wcsitesadminserver.env.list oracle/wcsites:12.2.1.3

Admin Container start up command explained:

Parameter Parameter Name Description
--name container_name Database name; set to ‘WCSitesAdminContainer’
--network network_name User-defined network to connect to; use the one created earlier ‘WCSitesNet’.
-p weblogic_port WebLogic port; set to ‘7001’. Maps the container port to host's port.
-p weblogic_ssl_port WebLogic SSL port; set to ‘9001’. Maps the container port to host's port.
--v user_projects_volume_dir ‘/scratch/WCSitesVolume/WCSites’ mounts the host directory as a Volume.
--v sites_shared_volume_dir ‘/scratch/WCSitesVolume/WCSitesShared’ mounts the host directory as a Volume.
--env-file environment_file ‘wcsitesadminserver.env.list’ sets the environment variables.
oracle/wcsites:12.2.1.3 repo_name:tag_name Repository name, Tag name of the image.

For monitoring Docker container Logs:

    $ docker logs -f --tail 900 WCSitesAdminContainer

IMPORTANT: Monitor the container logs to see below message. Also check if the WebLogic Admin server starts up and tails the log before logging in to the Console.

	Admin server running, ready to start Managed server
	Sites Installation completed in xxxx seconds.
	--------------------------------------------

Note: Copy the WebLogic Admin, Database Schema and Sites passwords from the log. It's recommended to reset all autogenerated passwords.

To reset Sites autogenerated passwords after starting Managed container, see FAQ

To connect to the container for monitoring WebCenter Sites/WebLogic Logs:

   $ docker exec -it WCSitesAdminContainer /bin/bash

Now you can access below WebLogic Console.

   http://DOCKER_HOST:7001/console 

B. Creating a managed container for WebCenter Sites Managed Server

This container is used to manage the Managed Server.

1. Create the environment file to passed the parameters

Update the environment wcsitesserver.env.list file which is located at ../docker-images/OracleWebCenterSites/dockerfiles/.

wcsitesserver.env.list file details:

   WCSITES_ADMIN_HOSTNAME=<WCSites Admin Container Name>
   DOMAIN_NAME=<Weblogic_Domain Name>
   SITES_SERVER_NAME=<Sites Server Name>

2. Start the Managed Container

a. To run WebLogic Managed Server container, go to folder where wcsitesserver.env.list file is located at ../docker-images/OracleWebCenterSites/dockerfiles/.

b. Run the following command and pass the environment file name as a parameter:

   $ docker run -d -t --name <container_name> --network=<network_name> --volumes-from <admin_container_name> -p <sites_port>:7002 -p <sites_ssl_port>:9002 --env-file <environment_file> <repo_name:tag_name> /bin/bash -c "/u01/oracle/sites-container-scripts/startSitesServer.sh; /bin/bash"

Sample command:

   $ docker run -d -t --name WCSitesManagedContainer --network=WCSitesNet --volumes-from WCSitesAdminContainer -p 7002:7002 -p 9002:9002 --env-file ./wcsitesserver.env.list oracle/wcsites:12.2.1.3 /bin/bash -c "/u01/oracle/sites-container-scripts/startSitesServer.sh; /bin/bash"

Managed Container start up command explained:

Parameter Parameter Name Description
--name container_name Database name; set to ‘WCSitesManagedContainer’
--network network_name User-defined network to connect to; use the one created earlier ‘WCSitesNet’.
-p sites_port Sites port; set to ‘7002’. Maps the container port to host’s port.
-p sites_ssl_port Sites SSL port; set to ‘9002’. Maps the container port to host’s port.
--volumes-from admin_container_name ‘WCSitesAdminContainer’ mounts the directory from Admin container.
--env-file environment_file ‘wcsitesadminserver.env.list’ sets the environment variables.
oracle/wcsites:12.2.1.3 repo_name:tag_name Repository name, Tag name of the image.

IMPORTANT: Monitor the container logs to check if WebCenter Sites starts up before logging in to the Console. To monitor Docker Container logs:

   $ docker logs -f --tail 900 WCSitesManagedContainer
	Admin server running, ready to start Managed server

Note: It's recommended to reset Sites passwords after starting Managed container, see FAQ

To connect to the container for monitoring WebCenter Sites/WebLogic logs:

   $ docker exec -it WCSitesManagedContainer /bin/bash

Now you can access WebCenter Sites Server at

   http://DOCKER_HOST:7002/sites

8. FAQs

1. What is the usage of buildDockerImage.sh file?
   $ sh buildDockerImage.sh
   Usage: buildDockerImage.sh -v [version]
   Builds a Docker Image for Oracle WebCenter Sites.
   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) 2017 Oracle and/or its affiliates. All rights reserved.
2. Where do I find the auto-generated WebLogic Administrator, Database schema, Oracle WebCenter Sites [Administrator,Application,SatelliteServer] passwords?

If you do not specify WebLogic/Database/Sites username and password, a password is auto-generated.

You can find only auto-generated password in the Admin Container log.

If you need to find the passwords later, look for password in the Docker logs generated during the startup of the container.

To view the Docker Container logs run:

   $ docker logs --details <Admin-Container-Id>
3. How to reset Oracle WebCenter Sites [Administrator,Application,SatelliteServer] passwords?

See [How to Reset a WebCenter Sites Password] (https://docs.oracle.com/middleware/1221/wcs/admin/GUID-BECECCFD-0EAF-4157-B23D-6CBD4F3BDEE9.htm#WBCSA8419)

4. How to modify start/stop admin/managed server scripts?

You can find these scripts here: dockerfiles/12.2.1.3/sites-container-scripts) sites-container-scripts are located at ../docker-images/OracleWebCenterSites/dockerfiles/12.2.1.3/sites-container-scripts/*

5. Why do I get an error message as "... RCU exists already"?

Most likely, you're not running this command for the first time. The RCU_prefix may be present already. Drop the corresponding schemas or use a different prefix.

6. Where can I find RCU configuration Wizard and WebCenter Sites configuration scripts?

See Readme.md located at ../docker-images/OracleWebCenterSites/dockerfiles/12.2.1.3/wcs-wls-docker-install/README.md

7. How do I configure WebCenter Sites with an On-Prem Oracle Database instance?

Set DB_CONNECTSTRING connection string parameter as mentioned in section Update the environment file.

8. Alternate download location for Oracle Fusion Middleware Infrastructure and Oracle Database Images?

Before you build an Oracle WebCenter Sites image, download the Oracle Fusion Middleware infrastructure and Oracle Database images from the Docker Store.

If you download Oracle Fusion Middleware infrastructure from Docker Store, then retag using below command:

   $ docker tag store/oracle/fmw-infrastructure:12.2.1.3 oracle/fmw-infrastructure:12.2.1.3

If you download Oracle Database from Docker Store, then retag using below command:

   $ docker tag store/oracle/database-enterprise:12.2.0.1 database/enterprise:12.2.0.1
9. How do I build an Oracle Database 12.2.1.x base image?

If you want to build your own Oracle Database image, use the Docker files and scripts in the Oracle Database GitHub repository.

10. How do I build an Oracle Fusion Middleware Infrastructure 12.2.1.x base image?

If you want to build your own Oracle Fusion Middleware Infrastructure image, use the Docker files and scripts in the Oracle FMW Infrastructure GitHub repository.

11. How to fix yum.oracle.com connectivity error?

The errors mean that the host is not able to connect to external registries for update. To access external registries and build a Docker image, set up environment variables for proxy server as below:

   export http_proxy=http://www-yourcompany.com:80 
   export https_proxy=http://www-yourcompany.com:80 
   export HTTP_PROXY=http://www-yourcompany.com:80 
   export HTTPS_PROXY=http://www-yourcompany.com:80 
   export NO_PROXY=localhost,.yourcompany.com 
12. How to fix error "Please specify script.work.dir to use an alternate location” while running Admin Container?

Make sure you have granted the right permission to 'oracle' user as described in section Mounting a Host Directory as a Data Volume.

13. Permission denied while connecting to the Docker daemon socket?

Run the below command after substituting your id:

   $ sudo /sbin/usermod -a -G docker <userid>

To confirm that userid is part of docker group run below command and make sure it lists group docker:

   $ id -Gn <userid>
  • Run docker ps -a command to confirm user is able to connect to Docker engine.
14. How to start and stop Admin/managed server?

Connect to the WCSitesAdminContainer container for performing any operations on WebLogic Server:

   $ docker exec -it WCSitesAdminContainer /bin/bash

Connect to the WCSitesManagedContainer container for performing any operations on WebCenter Sites server:

   $ docker exec -it WCSitesManagedContainer /bin/bash

Then go to /u01/oracle/sites-container-scripts/ to start & stop respective server from respective container.

15. How do I see all containers?

To see all the containers, including the exited ones:

   $ docker ps –a 
16. How do I remove containers?

To remove containers:

   $ docker rm –f <container_id>
17. How do I see all the images?

To see all the images on host:

   $ docker images 
18. How do I remove an image?

To remove images:

   $ docker rmi <image_id>
19. How do I inspect the container?

To inspect the container:

   $ docker inspect <container name>
20. How do I inspect the network?

To inspect the network:

   $ docker inspect <network name>
21. How do I stop/start containers?

To stop/start containers:

   $ docker stop <container name>
   $ docker start <container name>

9. Copyright

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