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HCL DX docker-compose

This little scripting enables you to run a fully fledged DX environment with minimal footprint on your local machine. It uses docker-compose to start/stop and manage Docker containers. Docker-compose an addon on top of Docker. On Mac OS Docker desktop docker-compose is available out of the box. On other OS, you might need to manually install docker-compose even if you have docker installed already. For installation instructions see: https://docs.docker.com/compose/install/

Setup your environment

Start by cloning this repository locally and cd into the dx-docker-compose directory.

All you need to do is to load the HCL DX docker images into your local docker repository and set up your local environment with some environment variables.

Loading DX docker images

The load.sh script expects a path to a directory containing the docker image archives as a command line argument .

NOTE: If you already loaded the DX docker images into a docker repository of your choice, you may skip executing load.sh or load.bat. Please make sure to update the image names in the dx.properties file appropriately.

Linux/MAC:

cd ./dx-docker-compose
bash load.sh <docker-image-archives-directory>

Windows:

cd ./dx-docker-compose
load.bat <docker-image-archives-directory>

Set up local environment variables

Linux/MAC:

cd ./dx-docker-compose
source ./set.sh

Windows:

cd ./dx-docker-compose
set.bat

NOTE: The second command is source ./set.sh and not just executing set.sh directly.

If you want to unset your DX docker-compose environment, you can do so by running unset.sh:

Linux/MAC:

cd ./dx-docker-compose
source ./unset.sh

Windows:

cd ./dx-docker-compose
unset.bat

Performance on Mac OS/Windows

The performance for local docker volumes on Mac OS and Windows is quite slow. To improve especially the startup time of DX Core, you may choose to remove the persistent volume configuration. To do so, remove the following lines from the docker-compose file:

    volumes:
      - ./volumes/core/wp_profile:/opt/HCL/wp_profile

NOTE: By applying the above change, any change you apply in DX Core will not be persisted. All your changes will be lost as soon as the container is stopped.

Starting the environment

After setting your environment, you can start the DX docker-compose environment by running. Important is that you need to be using a minimum version 1.27.4 for docker-compose.

docker-compose up

This will start all services defined in dx.yaml and logs will be printed directly go to your bash. You can stop docker-compose in this situation by pressing CTRL+C.

If your user does not have permission to write to the persistent volumes location (folder dx-docker-compose/volumes) specified in the docker-compose file dx.yaml, you will see errors and the system will not start properly. If necessary, change the permissions of this folder so that the user running the docker process can read from and write to it.

Here are some useful command line arguments to run docker-compose up:

  • -d, --detach: detached mode
  • --remove-orphans: this cleans up orphaned containers

For more information on startup parameters for docker-compose up, please see https://docs.docker.com/compose/reference/up/.

Stopping the environment

If you didn't start docker-compose in detached mode, you can stop by pressing CTRL+C. If you started docker-compose in detached mode, you can stop your environment by issuing

docker-compose stop

This will securely stop all running docker containers. If you want to properly clean up your system and even purge stopped docker containers, you can do so by issuing

docker-compose down

Looking at logs and metrics

Logs

If you want to look at logs for all of the DX services, you can easily do so by running

docker-compose logs

This will show you all system out logs of all services of all running containers (might be quite a lot - see tips and tricks below).

Metrics

You can also look at CPU, memory and network consumption using

docker stats

Example output:

NAME                 CPU %     MEM USAGE / LIMIT     MEM %     NET I/O           BLOCK I/O         PIDS
dx-ds                0.16%     73.48MiB / 31.21GiB   0.23%     171kB / 16.4MB    0B / 16.4kB       23
dx-haproxy           0.00%     7.008MiB / 31.21GiB   0.02%     11.1MB / 10.8MB   0B / 0B           9
dx-dam               0.27%     493.4MiB / 31.21GiB   1.54%     263MB / 381MB     8.19kB / 19.5kB   78
dx-dam-db-pool       0.05%     116.8MiB / 31.21GiB   0.37%     586MB / 659MB     0B / 1.44MB       36
dx-ringapi           0.17%     104.2MiB / 31.21GiB   0.33%     1.45MB / 1.2MB    0B / 24.1kB       23
dx-dam-db-node-0     0.07%     63.26MiB / 31.21GiB   0.20%     414MB / 233MB     0B / 15.6MB       14
dx-core              0.80%     2.137GiB / 31.21GiB   6.85%     1.62MB / 6.71MB   436MB / 563MB     375
dx-cc                0.19%     71.73MiB / 31.21GiB   0.22%     7.7kB / 0B        0B / 11.3kB       23
dx-image-processor   0.17%     426.3MiB / 31.21GiB   1.33%     17.5MB / 4.27MB   0B / 23kB         23

To get an overview of running docker-compose services, you can run

docker-compose ps

Example output:

IMAGE                                                      COMMAND                  CREATED      STATUS                PORTS                                                                                                                                                                                                                                                                                                                                                                                                                      NAMES
hcl/dx/design-studio:v0.6.0_20211213-1448                  "/opt/app/start_all_…"   3 days ago   Up 3 days             0.0.0.0:5500->3000/tcp, :::5500->3000/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-ds
hcl/dx/haproxy:v1.0.0_20220713-0158                        "/bin/bash entrypoin…"   3 days ago   Up 3 days             0.0.0.0:80->80/tcp, :::80->80/tcp, 0.0.0.0:443->443/tcp, :::443->443/tcp                                                                                                                                                                                                                                                                                                                                                   dx-haproxy
hcl/dx/digital-asset-manager:v1.12.0_20211213-1448         "/bin/bash entrypoin…"   3 days ago   Up 3 days             0.0.0.0:80->8081/tcp, :::80->8081/tcp                                                                                                                                                                                                                                                                                                                                                                                      dx-dam
hcl/dx/persistence-connection-pool:v1.13.0_20211213-1457   "/scripts/entrypoint…"   3 days ago   Up 3 days (healthy)   0.0.0.0:5432->5432/tcp, :::5432->5432/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-dam-db-pool
hcl/dx/ringapi:v1.13.0_20211213-1457                       "/opt/app/start_all_…"   3 days ago   Up 3 days             0.0.0.0:4000->3000/tcp, :::4000->3000/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-ringapi
hcl/dx/persistence-node:v1.3_20211213-1454                 "/start_postgres.sh"     3 days ago   Up 3 days (healthy)   0.0.0.0:5433->5432/tcp, :::5433->5432/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-dam-db-node-0
hcl/dx/core:v95_CF200_20211213-1442                        "sh -c /opt/app/entr…"   3 days ago   Up 3 days             0.0.0.0:7777->7777/tcp, :::7777->7777/tcp, 0.0.0.0:10020->10020/tcp, :::10020->10020/tcp, 10032/tcp, 0.0.0.0:10033->10033/tcp, :::10033->10033/tcp, 10034-10038/tcp, 0.0.0.0:10039->10039/tcp, :::10039->10039/tcp, 10040/tcp, 0.0.0.0:10041->10041/tcp, :::10041->10041/tcp, 10042/tcp, 0.0.0.0:10200->10200/tcp, :::10200->10200/tcp, 0.0.0.0:10202-10203->10202-10203/tcp, :::10202-10203->10202-10203/tcp, 10201/tcp   dx-core
hcl/dx/content-composer:v1.13.0_20211213-1443              "/opt/app/start_all_…"   3 days ago   Up 3 days             0.0.0.0:5000->3000/tcp, :::5000->3000/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-cc
hcl/dx/image-processor:v1.13.0_20211213-1446               "/home/dx_user/start…"   3 days ago   Up 3 days             0.0.0.0:3500->8080/tcp, :::3500->8080/tcp                                                                                                                                                                                                                                                                                                                                                                                  dx-image-processor

Tips and tricks

Docker-compose services and load balancing

The core of a docker-compose environment are its services. In the case of DX, each of the different DX components (Core, CC, DAM, ...) is a individual docker-compose service. The services are all described and configured in dx.yaml. Amongst other configurations, each service has a external port defined.

Inside a docker-compose environment all containers of a particular service are reachable via their service name. If you connect into a docker container running in docker-compose, you'll be able to resolve the service name via dns. You could do so by just pinging the image processor (service name "image-processor") from any other container. See below on how to bash into a docker-compose container.

Running DX docker-compose in a hybrid setup

In the case that you already have a fully configured DX Core (e.g. an on premise installation) up and running, you can choose to configure docker-compose to connect to the on premise environment. The below mentioned changes in dx.yaml need to be applied to make this work.

NOTE: You will also have to configure your DX Core environment to connect to the services running docker-compose (e.g. configuration of DAM and Content Composer portlets). Please have a look in the official HCL DX Help Center to understand which changes need to be done, if necessary.

Update the Ring API service configuration as described:

  1. Disable the depends_on parameter.
ringapi:
  # depends_on:
  #   - core
  1. Update the PORTAL_HOST parameter values.
environment:
  - PORTAL_HOST=example.com

The result of the changes to the ringapi service should look similar to the snippet below:

ringapi:
  # depends_on:
  #   - dx-core
  image: ${DX_DOCKER_IMAGE_RINGAPI:?'Missing docker image environment parameter'}
  environment:
    - DEBUG=ringapi-server:*
    - PORTAL_PORT=10039
    - PORTAL_HOST=example.com
  ports:
    - "4000:3000"
  networks:
    - default

Update the Content Composer service configuration as described:

environment:
  - PORTAL_HOST=example.com

Starting and stopping individual services

Docker-compose up

docker-compose up allows you to start only individual services. To only start the DAM service, you could run

docker-compose up -d dam

For more information see https://docs.docker.com/compose/reference/up/

Docker-compose stop

docker-compose stop allows you to stop only individual services. To only stop the DAM service, you could run

docker-compose stop dam

For more information see https://docs.docker.com/compose/reference/down/

Docker-compose logs

To only look at logs for an individual service you can run

docker-compose logs dam

For more information see https://docs.docker.com/compose/reference/logs/

Installing Applications CC, DAM and DXConnect in DX Core

To install CC, DAM and DXConnect applications in DX Core and to enable , you can run

Linux/MAC:

cd ./dx-docker-compose
source ./installApps.sh

Windows:

cd ./dx-docker-compose
installApps.bat

NOTE: For any change in DX_HOSTNAME it's a must to re-execute installApps.sh / installApps.bat

Connecting to your DX and applications.

To access your dx environment, navigate to http://<PORTAL_HOST>/wps/portal

Example: http://example.com/wps/portal

To access dx admin console, navigate to https://<PORTAL_HOST>:10041/ibm/console

Example: https://example.com:10041/ibm/console

To access the ConfigWizard Server Admin console https://<PORTAL_HOST>:10203/ibm/console

Example: https://example.com:10203/ibm/console

Connecting into a docker-compose service via bash

To bash into a docker container of a service, you can directly connect using the service name

docker-compose exec dam bash

To connect into a specific container of a service (if there is multiple containers running for a service), you have to look up the name of the container e.g. using docker-compose ps and then run

docker exec -it dx_dam bash

Running Prerequisite Checks to your DX and applications.

To perform checks to the mounted volumes, you can directly connect using the dx-prereqs-checker container

docker-compose exec prereqs-checker /bin/bash /usr/local/sbin/run_test.sh

To display the logs of the check results, run

docker-compose logs prereqs-checker

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