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keycloak-config-cli

keycloak-config-cli is a Keycloak utility to ensure the desired configuration state for a realm based on a JSON/YAML file. The format of the JSON/YAML file based on the export realm format. Store and handle the configuration files inside git just like normal code. A Keycloak restart isn't required to apply the configuration.

Config files

The config files are based on the keycloak export files. You can use them to re-import your settings. But keep your files as small as possible. Remove all UUIDs and all stuff which is default set by keycloak.

moped.json is a full working example file you can consider. Other examples are located in the test resources.

Variable Substitution

keycloak-config-cli supports variable substitution of config files. This could be enabled by import.var-substitution=true (disabled by default). Use substitutions like

Base64 Decoder:        ${base64Decoder:SGVsbG9Xb3JsZCE=}
Base64 Encoder:        ${base64Encoder:HelloWorld!}
Java Constant:         ${const:java.awt.event.KeyEvent.VK_ESCAPE}
Date:                  ${date:yyyy-MM-dd}
DNS:                   ${dns:address|apache.org}
Environment Variable:  ${env:USERNAME}
File Content:          ${file:UTF-8:src/test/resources/document.properties}
Java:                  ${java:version}
Localhost:             ${localhost:canonical-name}
Properties File:       ${properties:src/test/resources/document.properties::mykey}
Resource Bundle:       ${resourceBundle:org.example.testResourceBundleLookup:mykey}
Script:                ${script:javascript:3 + 4}
System Property:       ${sys:user.dir}
URL Decoder:           ${urlDecoder:Hello%20World%21}
URL Encoder:           ${urlEncoder:Hello World!}
URL Content (HTTP):    ${url:UTF-8:http://www.apache.org}
URL Content (HTTPS):   ${url:UTF-8:https://www.apache.org}
URL Content (File):    ${url:UTF-8:file:///${sys:user.dir}/src/test/resources/document.properties}
XML XPath:             ${xml:src/test/resources/document.xml:/root/path/to/node}

to replace the values with java system properties or environment variables. Recursive variable replacement like ${file:UTF-8:${env:KEYCLOAK_PASSWORD_FILE}} is enabled by default if import.var-substitution is set to true.

The variable substitution is running before the json parser gets executed. This allows json structures or complex values.

See Apache Common StringSubstitutor documentation for more information and advanced usage.

Note: Since variable substitution is a part of the keycloak-config-cli, it's done locally. This means, the environment variables need to be availible where keycloak-config-cli is executed.

Supported features

See: docs/FEATURES.md

Compatibility matrix

keycloak-config-cli Keycloak 4 - 7 Keycloak 8 Keycloak 9 - 11 Keycloak 12
v0.8.x ✓ ✗ ✗ ✗
v1.0.x - v2.6.x ✗ ✓ ✓ ✗
v3.0.x - v3.x.x ✗ ✗ ✓ ✓
main ✗ ✗ ✓ ✓
  • ✓ Supported
  • ✗ Not supported

Build this project

mvn package

Run integration tests against real keycloak

We are using TestContainers in our integration tests. To run the integration tests a configured docker environment is required.

mvn verify

Run this project

via Maven

Start a local keycloak on port 8080:

docker-compose down --remove-orphans && docker-compose up keycloak

before performing following command:

java -jar ./target/keycloak-config-cli.jar \
    --keycloak.url=http://localhost:8080/auth \
    --keycloak.ssl-verify=true \
    --keycloak.user=admin \
    --keycloak.password=admin123 \
    # default usage: local files
    --import.path=./contrib/example-config/moped.json

    # alternative usage: local directory
    # --import.path=./contrib/example-config-directory/
    # alternative usage: remote file
    # --import.path=http://hostname/moped.json
    # alternative usage: remote resource and basic auth
    # --import.path=http://user:pass@hostname/moped.json

Docker

The docker tag latest points to the latest available release while edge points to the latest commit on the main branch.

Docker run

For docker -e you have to replace dots with underscores.

docker run \
    -e KEYCLOAK_URL=http://<your keycloak host>:8080/auth \
    -e KEYCLOAK_USER=<keycloak admin username> \
    -e KEYCLOAK_PASSWORD=<keycloak admin password> \
    -e KEYCLOAK_AVAILABILITYCHECK_ENABLED=true \
    -e KEYCLOAK_AVAILABILITYCHECK_TIMEOUT=120s \
    -e IMPORT_PATH=/config \
    -e IMPORT_FORCE=false \
    -v <your config path>:/config \
    adorsys/keycloak-config-cli:latest

Helm

We provide a helm chart here.

Since it make no sense to deploy keycloak-config-cli as standalone application, you could add it as dependency to your chart deployment.

Checkout helm docs about chart dependencies!

CLI option / Environment Variables

CLI Option ENV Variable Description Default Docs
--keycloak.url KEYCLOAK_URL Keycloak URL including web context. Format: scheme://hostname:port/web-context. -
--keycloak.user KEYCLOAK_USER login user name admin
--keycloak.password KEYCLOAK_PASSWORD login user password -
--keycloak.client-id KEYCLOAK_CLIENTID login clientId admin-cli
--keycloak.client-secret KEYCLOAK_CLIENTSECRET login client secret -
--keycloak.grant-type KEYCLOAK_GRANTTYPE login grant_type password
--keycloak.login-realm KEYCLOAK_LOGINREALM login realm master
--keycloak.ssl-verify KEYCLOAK_SSLVERIFY Verify ssl connection to keycloak true
--keycloak.http-proxy KEYCLOAK_HTTPPROXY Connect to Keycloak via HTTP Proxy. Format: scheme://hostname:port -
--keycloak.availability-check.enabled KEYCLOAK_AVAILABILITYCHECK_ENABLED Wait until Keycloak is available false
--keycloak.availability-check.timeout KEYCLOAK_AVAILABILITYCHECK_TIMEOUT Wait timeout for keycloak availability check 120s
--import.path IMPORT_PATH Location of config files (if location is a directory, all files will be imported) /config Spring ResourceLoader
--import.var-substitution IMPORT_VARSUBSTITUTION Enable variable substitution config files false
--import.force IMPORT_FORCE Enable force import of realm config false
--import.cache-key IMPORT_CACHEKEY Cache key for importing config. default
--import.state IMPORT_STATE Enable state management. Purge only resources managed by kecloak-config-cli. S. true MANAGED.md
--import.state-encryption-key IMPORT_STATEENCRYPTIONKEY Enables state in encrypted format. If unset, state will be stored in plain -
--import.file-type IMPORT_FILETYPE Format of the configuration import file. Allowed values: AUTO,JSON,YAML auto
--import.parallel IMPORT_PARALLEL Enable parallel import of certain resources false

See application.properties for all available settings.

For docker -e you have to remove hyphens and replace dots with underscores.

Take a look at spring relax binding if you need alternative spellings.

Configure properties values through files

Available since keycloak-config-cli 2.6.3.

By define an environment variable SPRING_CONFIG_IMPORT=configtree:/run/secrets/, the values of properties can be provided via files instead of plain environment variable values.

Example: To configure the property keycloak.password in this case, the file should be in /run/secrets/keycloak.password.

The configuration and secret support in Docker Swarm is a perfect match for this use case.

Checkout the spring docs to get more information about the configuration trees feature in spring boot.

Perform release

Create release via maven release plugin:

mvn -Dresume=false release:prepare release:clean
git push --follow-tags