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rundeck

This repository contains the source for the Rundeck docker image.

Image details

  1. Based on debian:stretch
  2. Supervisor, Apache2, and rundeck
  3. No SSH. Use docker exec or nsenter
  4. If RUNDECK_PASSWORD is not supplied, it will be randomly generated and shown via stdout.
  5. Supply the EXTERNAL_SERVER_URL or it will default to https://0.0.0.0:4443
  6. As always, update passwords for pre-installed accounts
  7. I sometimes get connection reset by peer errors when building the Docker image from the Rundeck download URL. Trying again usually works.

Automated build

docker pull jordan/rundeck

Usage

Start a new container and bind to host's port 4440

sudo docker run -p 4440:4440 -e EXTERNAL_SERVER_URL=http://MY.HOSTNAME.COM:4440 --name rundeck -t jordan/rundeck:latest

SSL

Start a new container, bind to host's port 4443, and enable SSL. Note: Make sure to update /etc/rundeck/ssl/keystore and /etc/rundeck/ssl/truststore for Production systems as the default certificate is self-signed. Set KEYSTORE_PASS & TRUSTSTORE_PASS to the passwords of those files. Both files can be volume mounted.

sudo docker run -p 4443:4443 -e EXTERNAL_SERVER_URL=https://MY.HOSTNAME.COM:4443 -e RUNDECK_WITH_SSL=true --name rundeck -t jordan/rundeck:latest

Rundeck plugins

To add (external) plugins, add the jars to the /opt/rundeck-plugins volume and they will be copied over to Rundeck's libext directory at container startup

Docker secrets

Reference: https://docs.docker.com/engine/swarm/secrets/
The entrypoint run script will check for docker secrets set for RUNDECK_PASSWORD, DATABASE_ADMIN_PASSWORD, KEYSTORE_PASS, and TRUSTSTORE_PASS. If the secret has not been set, it will then check for the environment variable and finally default to generating a random value.

Environment variables

SERVER_URL (deprecated - Use EXTERNAL_SERVER_URL) - Full URL in the form http://MY.HOSTNAME.COM:4440, http//123.456.789.012:4440, etc

EXTERNAL_SERVER_URL - Use this if you are running rundeck behind a proxy.  This is useful if you run rundeck through some kind of external network gateway/load balancer.  Note that utilities like rd-jobs and rd-projects will no longer work and you will need to use the newer [rd](https://github.com/rundeck/rundeck-cli) command line utility.

RDECK_JVM_SETTINGS - Additional parameters sent to the rundeck JVM (ex: -Xmx1024m -Xms256m -XX:MaxMetaspaceSize=256m -server -Dfile.encoding=UTF-8 -Dserver.web.context=/rundeck)

DATABASE_URL - For use with (container) external database

RUNDECK_UID - The unix user ID to be used for the rundeck account when rundeck is booted.  This is useful for embedding this docker container into your development environment sharing files via docker volumes between the container and your host OS.  RUNDECK_GID also needs to be defined for this overload to take place.

RUNDECK_GID - The unix group ID to be used for the rundeck account when rundeck is booted.  This is useful for embedding this docker container into your development environment sharing files via docker volumes between the container and your host OS.  RUNDECK_UID also needs to be defined for this overload to take place.

RUNDECK_WITH_SSL - Enable SSL

RUNDECK_PASSWORD - MySQL 'rundeck' user password

RUNDECK_ADMIN_PASSWORD - The rundeck server admin password

RUNDECK_STORAGE_PROVIDER - Options file (default) or db.  See: http://rundeck.org/docs/plugins-user-guide/configuring.html#storage-plugins

RUNDECK_PROJECT_STORAGE_TYPE - Options file (default) or db.  See: http://rundeck.org/docs/administration/setting-up-an-rdb-datasource.html

GUI_BRAND_HTML - HTML to show as title in app header. See: http://rundeck.org/docs/administration/gui-customization.html. Useful to show Rundeck environment where multiple Rundeck instances are deployed, e.g. GUI_BRAND_HTML='<span class="title">QA Environment</span>'

SMTP_HOST - The SMTP server host to use for email notifications.

SMTP_PORT - THe SMTP server port to use for email notifications.

SMTP_USERNAME - The SMTP server username to use for email notifications if authentication is required.

SMTP_PASSWORD - The SMTP server password to use for email notifications if authentication is required

SMTP_DEFAULT_FROM - The from address to use for email notifications.

DEBIAN_SYS_MAINT_PASSWORD - No longer used as of Debian Stretch

NO_LOCAL_MYSQL - false (default).  Set to true if using an external MySQL container or instance.  Make sure to set DATABASE_URL and RUNDECK_PASSWORD (used for JDBC connection to MySQL).  Further details for setting up MYSQL: http://rundeck.org/docs/administration/setting-up-an-rdb-datasource.html

LOGIN_MODULE - RDpropertyfilelogin(default) or ldap. See: http://rundeck.org/docs/administration/authenticating-users.html

JAAS_CONF_FILE - ldap configuration file name if ldap. You will need to mount the same file at /etc/rundeck/<filename of ldap>. See: http://rundeck.org/docs/administration/authenticating-users.html

SKIP_DATABASE_SETUP - Set to true if database is already setup and/or database admin password is not known

Volumes

/etc/rundeck
/var/rundeck
/var/lib/rundeck - Not recommended to use as a volume as it contains webapp.  For SSH key you can use the this volume: /var/lib/rundeck/.ssh
/var/lib/mysql
/var/log/rundeck
/opt/rundeck-plugins - For adding external plugins
/var/lib/rundeck/logs
/var/lib/rundeck/var/storage

Working behind a web proxy

If you are running Rundeck behind a web proxy, use the following:

sudo docker run -p 4440:4440 \
  -e EXTERNAL_SERVER_URL=http://MY.HOSTNAME.COM:4440 \
  -e HTTP_PROXY="http://WEBPROXY:PORT" \
  -e HTTPS_PROXY="http://WEBPROXY:PORT" \
  -e RDECK_JVM="-Djava.net.useSystemProxies=true" \
  --name rundeck -t jordan/rundeck:latest

Using an SSL Terminated Proxy

See: http://rundeck.org/docs/administration/configuring-ssl.html#using-an-ssl-terminated-proxy

Upgrading

See: http://rundeck.org/docs/upgrading/index.html

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jordan
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