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Chapter 19. Admin CLI

Note

Admin CLI is a Technology Preview feature and is not fully supported.

In previous chapters we have described how to use the Red Hat Single Sign-On Admin Console to perform administrative tasks. All those tasks can also be performed from command line by using Admin CLI command line tool.

19.1. Installing Admin CLI
링크 복사

Admin CLI is packaged inside Red Hat Single Sign-On Server distribution. You can find execution scripts inside bin directory.

The Linux script is called kcadm.sh, and the one for Windows is called kcadm.bat.

In order to setup the client to be used from any location on the filesystem you may want to add Red Hat Single Sign-On server directory to your PATH.

On Linux: 

$ export PATH=$PATH:$KEYCLOAK_HOME/bin
$ kcadm.sh
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On Windows: 

c:\> set PATH=%PATH%;%KEYCLOAK_HOME%\bin
c:\> kcadm
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Note

To avoid unnecessary repetition the rest of this document will only give Windows examples in places where difference in command line is more than just in kcadm command name.

19.2. Using Admin CLI
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Usually a user will first start an authenticated session by providing credentials, then perform some CRUD operations.

For example on Linux: 

$ kcadm.sh config credentials --server http://localhost:8080/auth --realm demo --user admin --client admin
$ kcadm.sh create realms -s realm=demorealm -s enabled=true -o
$ CID=$(kcadm.sh create clients -r demorealm -s clientId=my_client -s 'redirectUris=["http://localhost:8980/myapp/*"]' -i)
$ kcadm.sh get clients/$CID/installation/providers/keycloak-oidc-keycloak-json
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Or on Windows: 

c:\> kcadm config credentials --server http://localhost:8080/auth --realm demo --user admin --client admin
c:\> kcadm create realms -s realm=demorealm -s enabled=true -o
c:\> kcadm create clients -r demorealm -s clientId=my_client -s "redirectUris=[\"http://localhost:8980/myapp/*\"]" -i > clientid.txt
c:\> set /p CID=<clientid.txt
c:\> kcadm get clients/%CID%/installation/providers/keycloak-oidc-keycloak-json
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In a production environment Red Hat Single Sign-On has to be accessed with https: to avoid exposing tokens to network sniffers. If server’s certificate is not issued by one of the trusted CAs that are included in Java’s default certificate truststore, then you will need to prepare a truststore.jks file, and instruct Admin CLI to use it.

For example on Linux: 

$ kcadm.sh config truststore --trustpass $PASSWORD ~/.keycloak/truststore.jks
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Or on Windows: 

c:\> kcadm config truststore --trustpass %PASSWORD% %HOMEPATH%\.keycloak\truststore.jks
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19.3. Authenticating
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Admin CLI works by making HTTP requests to Admin REST endpoints. Access to them is protected and requires authentication.

When logging in with Admin CLI you specify a server endpoint url, and a realm. Then you specify a username, or alternatively you can only specify a client id, which will result in special service account being used. In the first case, a password for the specified user has to be used at login. In the latter case there is no user password - only client secret or a Signed JWT is used.

The account that logs in needs to have proper permissions in order to be able to invoke Admin REST API operations. Specifically - realm-admin role of realm-management client is required for user to administer the realm within which the user is defined.

There are two primary mechanisms to authenticate. One is by using kcadm config credentials to start an authenticated session: 

$ kcadm.sh config credentials --server http://localhost:8080/auth --realm master --user admin --password admin
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This approach maintains an authenticated session between kcadm command invocations by saving the obtained access token, and associated refresh token, possibly other secrets as well in a private configuration file. By default this file is called kcadm.config and is located under user’s home directory - it’s full pathname is $HOME/.keycloak/kcadm.config (on Windows it’s %HOMEPATH%\.keycloak\kcadm.config). The file can be named something else by using -c, --config option.

See next chapter for more info on configuration file.

Another approach is to authenticate with each command invocation for the duration of that invocation only. This approach results in more load on the server, and more time spent with round-trips obtaining tokens, but has a benefit of not needing to save any tokens between invocations, thus nothing is saved to disk.

For example, when performing an operation we specify all the information required for authentication: 

$ kcadm.sh get realms --no-config --server http://localhost:8080/auth --realm master --user admin --password admin
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See built-in help for more information on using Admin CLI.

For example: 

$ kcadm.sh help
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See kcadm.sh config credentials --help for more information about starting an authenticated session.

19.4. Working with alternative configurations
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By default, Admin CLI automatically maintains a configuration file at a default location - .keycloak/kcadm.config under user’s home directory.

You can use --config option at any time to point to a different file / location. This way you can maintain multiple authenticated sessions in parallel. It is safest to perform operations tied to a single config file from a single thread.

Make sure to not make a config file visible to other users on the system as it contains access tokens, and secrets that should be kept private.

You may want to avoid storing any secrets at all inside a config file for the price of less convenience and having to do more token requests. In that case you can use --no-config option with all your commands. You will have to specify all authentication info with each kcadm invocation.

19.5. Basic operations, and resource URIs
링크 복사

Admin CLI allows you to perform CRUD operations against Admin REST API endpoints in quite a generic way, with additional commands that simplify performing certain actions.

Main usage pattern is the following: 

$ kcadm.sh create ENDPOINT [ARGUMENTS]
$ kcadm.sh get ENDPOINT [ARGUMENTS]
$ kcadm.sh update ENDPOINT [ARGUMENTS]
$ kcadm.sh delete ENDPOINT [ARGUMENTS]
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Where operations create, get, update, and delete are mapped to HTTP verbs POST, GET, PUT, and DELETE, respectively. ENDPOINT is a target resource URI, and can either be absolute - starting with 'http:' or 'https:', or relative - used to compose an absolute URL of the following format: 

SERVER_URI/admin/realms/REALM/ENDPOINT
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For example, if the server we authenticate against is http://localhost:8080/auth, and realm is master, then using users as ENDPOINT will result in the following resource URL: http://localhost:8080/auth/admin/realms/master/users.

If we set ENDPOINT to clients the effective resource URI would be: http://localhost:8080/auth/admin/realms/master/clients.

There is realms endpoint which is treated slightly differently since it is the container for realms. It resolves simply to: 

SERVER_URI/admin/realms
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There is also serverinfo which is treated the same way since it is independent of realms.

When authenticating as a user with realm-admin powers you may need to perform operations on multiple different realms. In that case you can specify -r, --target-realm option to tell explicitly which realm the operation should be executed against. Instead of using REALM as specified via --realm option of kcadm.sh config credentials, the TARGET_REALM will be used: 

SERVER_URI/admin/realms/TARGET_REALM/ENDPOINT
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For example: 

$ kcadm.sh config credentials --server http://localhost:8080/auth --realm master --user admin --password admin
$ kcadm.sh create users -s username=testuser -s enabled=true -r demorealm
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In this example we first start a session authenticated as admin user in master realm. Then we perform a POST call against the following resource URL: 

http://localhost:8080/auth/admin/realms/demorealm/users
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19.6. Realm operations
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Creating a new realm

A new realm can be created by specifying individual attributes on command line. They will be converted into a JSON document and sent to the server: 

$ kcadm.sh create realms -s realm=demorealm -s enabled=true
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Realm is not enabled by default. By enabling it, it can be used for authentication immediately.

A description for a new object can be in JSON format as well: 

$ kcadm.sh create realms -f demorealm.json
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JSON document with realm attributes can be sent directly from file or piped to standard input.

For example on Linux: 

$ kcadm.sh create realms -f - << EOF
{ "realm": "demorealm", "enabled": true }
EOF
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Or on Windows: 

c:\> echo { "realm": "demorealm", "enabled": true } | kcadm create realms -f -
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Listing existing realms

The following will return a list of all the realms: 

$ kcadm.sh get realms
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Note, that the list of realms returned is additionally filtered on the server to only return realms the user has permissions for.

Often that is too much information as we may only be interested in realm name, or - for example - if it is enabled or not. You can specify the attributes to return by using --fields option: 

$ kcadm.sh get realms --fields realm,enabled
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You may even display the result as comma separated values: 

$ kcadm.sh get realms --fields realm --format csv --noquotes
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Getting a specific realm

As is common for REST web services, in order to get an individual item of a collection, append an id to collection URI: 

$ kcadm.sh get realms/master
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Updating a realm

There are several options when updating any resource. You can first get current state of resource, and save it into a file, then edit that file, and send it to server for update. For example: 

$ kcadm.sh get realms/demorealm > demorealm.json
$ vi demorealm.json
$ kcadm.sh update realms/demorealm -f demorealm.json
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This way the resource on the server will be updated with all the attributes in the sent JSON document.

Another option is to perform the update on-the-fly using -s, --set options to set new values: 

$ kcadm.sh update realms/demorealm -s enabled=false
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That would only update enabled attribute to false.

Deleting a realm

It’s very simple to delete a realm: 

$ kcadm.sh delete realms/demorealm
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Turning on all login page options for the realm
Set the attributes controlling specific capabilities to true.

For example: 

$ kcadm.sh update realms/demorealm -s registrationAllowed=true -s registrationEmailAsUsername=true -s rememberMe=true -s verifyEmail=true -s resetPasswordAllowed=true -s editUsernameAllowed=true
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Listing the realm keys

It’s very simple to list the realm keys for a specific realm: 

$ kcadm.sh get keys -r demorealm
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Generating new realm keys

To add a new RSA generated keypair, first get id of the target realm. For example, to get id for a realm whose realm attribute is 'demorealm': 

$ kcadm.sh get realms/demorealm --fields id --format csv --noquotes
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Then add a new key provider with higher priority than any of the existing providers as revealed by kcadm.sh get keys -r demorealm:

For example on Linux: 

$ kcadm.sh create components -r demorealm -s name=rsa-generated -s providerId=rsa-generated -s providerType=org.keycloak.keys.KeyProvider -s parentId=959844c1-d149-41d7-8359-6aa527fca0b0 -s 'config.priority=["101"]' -s 'config.enabled=["true"]' -s 'config.active=["true"]' -s 'config.keySize=["2048"]'
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Or on Windows: 

c:\> kcadm create components -r demorealm -s name=rsa-generated -s providerId=rsa-generated -s providerType=org.keycloak.keys.KeyProvider -s parentId=959844c1-d149-41d7-8359-6aa527fca0b0 -s "config.priority=[\"101\"]" -s "config.enabled=[\"true\"]" -s "config.active=[\"true\"]" -s "config.keySize=[\"2048\"]"
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Attribute parentId should be set to the value of target realm’s id.

The newly added key should now become the active key as revealed by kcadm.sh get keys -r demorealm.

Adding new realm keys from Java Key Store file
To add a new keypair already prepared as a JKS file on the server, add a new key provider as follows:

For exmple on Linux: 

$ kcadm.sh create components -r demorealm -s name=java-keystore -s providerId=java-keystore -s providerType=org.keycloak.keys.KeyProvider -s parentId=959844c1-d149-41d7-8359-6aa527fca0b0 -s 'config.priority=["101"]' -s 'config.enabled=["true"]' -s 'config.active=["true"]' -s 'config.keystore=["/opt/keycloak/keystore.jks"]' -s 'config.keystorePassword=["secret"]' -s 'config.keyPassword=["secret"]' -s 'config.alias=["localhost"]'
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Or on Windows: 

c:\> kcadm create components -r demorealm -s name=java-keystore -s providerId=java-keystore -s providerType=org.keycloak.keys.KeyProvider -s parentId=959844c1-d149-41d7-8359-6aa527fca0b0 -s "config.priority=[\"101\"]" -s "config.enabled=[\"true\"]" -s "config.active=[\"true\"]" -s "config.keystore=[\"/opt/keycloak/keystore.jks\"]" -s "config.keystorePassword=[\"secret\"]" -s "config.keyPassword=[\"secret\"]" -s "config.alias=[\"localhost\"]"
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And change attribute values for keystore, keystorePassword, keyPassword, and alias to match your specific keystore.

Attribute parentId should be set to the value of target realm’s id.

Making key passive or disabling it

Identify the key you wish to make passive: 

$ kcadm.sh get keys -r demorealm
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Use providerId attribute of the key to construct an endpoint uri - components/PROVIDER_ID.

Then perform an update. For example on Linux: 

$ kcadm.sh update components/PROVIDER_ID -r demorealm -s 'config.active=["false"]'
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Or on Windows: 

c:\> kcadm update components/PROVIDER_ID -r demorealm -s "config.active=[\"false\"]"
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Analogously, other key attributes can be updated.

To disable the key set new enabled value, for example: 'config.enabled=["false"]'

To change key’s priority set new priority value, for example: 'config.priority=["110"]'

Deleting an old key
Make sure that the key you are deleting has been passive for some time, and then disabled for some time in order to prevent any existing tokens held by applications and users from abruptly failing to work.

Identify the key you wish to make passive: 

$ kcadm.sh get keys -r demorealm
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Use the providerId of that key to perform a delete. For example: 

$ kcadm.sh delete components/PROVIDER_ID -r demorealm
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Configuring event logging for a realm
Use update against events/config endpoint.

Attribute 'eventsListeners' sets the list of EventListenerProviderFactory 'id’s specifying all the event listeners receiving events. Separately from that there are attributes that control a built-in event storage which allows querying of past events via Admin REST API. There is separate control over logging of service calls - 'eventsEnabled', and auditing events triggered during Admin Console or Admin REST API - 'adminEventsEnabled'. You may want to limit the time when old events expire so that your database doesn’t get filled up - 'eventsExpiration' is set to time-to-live expressed in seconds.

For example, this is how you set a built-in event listener that will receive all the events and log them through jboss-logging (error events are logged as WARN, others as DEBUG, using a logger called org.keycloak.events):

On Linux: 

$ kcadm.sh update events/config -r demorealm -s 'eventsListeners=["jboss-logging"]'
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Or on Windows: 

c:\> kcadm update events/config -r demorealm -s "eventsListeners=[\"jboss-logging\"]"
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This is how you turn on storage of all available ERROR events - not auditing events - for 2 days so they can be retrieved via Admin REST:

On Linux: 

$ kcadm.sh update events/config -r demorealm -s eventsEnabled=true -s 'enabledEventTypes=["LOGIN_ERROR","REGISTER_ERROR","LOGOUT_ERROR","CODE_TO_TOKEN_ERROR","CLIENT_LOGIN_ERROR","FEDERATED_IDENTITY_LINK_ERROR","REMOVE_FEDERATED_IDENTITY_ERROR","UPDATE_EMAIL_ERROR","UPDATE_PROFILE_ERROR","UPDATE_PASSWORD_ERROR","UPDATE_TOTP_ERROR","VERIFY_EMAIL_ERROR","REMOVE_TOTP_ERROR","SEND_VERIFY_EMAIL_ERROR","SEND_RESET_PASSWORD_ERROR","SEND_IDENTITY_PROVIDER_LINK_ERROR","RESET_PASSWORD_ERROR","IDENTITY_PROVIDER_FIRST_LOGIN_ERROR","IDENTITY_PROVIDER_POST_LOGIN_ERROR","CUSTOM_REQUIRED_ACTION_ERROR","EXECUTE_ACTIONS_ERROR","CLIENT_REGISTER_ERROR","CLIENT_UPDATE_ERROR","CLIENT_DELETE_ERROR"]' -s eventsExpiration=172800
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Or on Windows: 

c:\> kcadm update events/config -r demorealm -s eventsEnabled=true -s "enabledEventTypes=[\"LOGIN_ERROR\",\"REGISTER_ERROR\",\"LOGOUT_ERROR\",\"CODE_TO_TOKEN_ERROR\",\"CLIENT_LOGIN_ERROR\",\"FEDERATED_IDENTITY_LINK_ERROR\",\"REMOVE_FEDERATED_IDENTITY_ERROR\",\"UPDATE_EMAIL_ERROR\",\"UPDATE_PROFILE_ERROR\",\"UPDATE_PASSWORD_ERROR\",\"UPDATE_TOTP_ERROR\",\"VERIFY_EMAIL_ERROR\",\"REMOVE_TOTP_ERROR\",\"SEND_VERIFY_EMAIL_ERROR\",\"SEND_RESET_PASSWORD_ERROR\",\"SEND_IDENTITY_PROVIDER_LINK_ERROR\",\"RESET_PASSWORD_ERROR\",\"IDENTITY_PROVIDER_FIRST_LOGIN_ERROR\",\"IDENTITY_PROVIDER_POST_LOGIN_ERROR\",\"CUSTOM_REQUIRED_ACTION_ERROR\",\"EXECUTE_ACTIONS_ERROR\",\"CLIENT_REGISTER_ERROR\",\"CLIENT_UPDATE_ERROR\",\"CLIENT_DELETE_ERROR\"]" -s eventsExpiration=172800
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This is how you reset stored event types to all available event types - setting to empty list is the same as enumerating all: 

$ kcadm.sh update events/config -r demorealm -s enabledEventTypes=[]
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And this is how you turn on auditing events: 

$ kcadm.sh update events/config -r demorealm -s adminEventsEnabled=true -s adminEventsDetailsEnabled=true
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Here is how you get the last 100 events - they are ordered from newest to oldest: 

$ kcadm.sh get events --offset 0 --limit 100
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Here is how you delete all saved events: 

$ kcadm delete events
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Flushing the caches
Use create operation, and one of the following endpoints: clear-realm-cache, clear-user-cache, clear-keys-cache.

Set realm to the same value as target realm.

For example: 

$ kcadm.sh create clear-realm-cache -r demorealm -s realm=demorealm
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$ kcadm.sh create clear-user-cache -r demorealm -s realm=demorealm
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$ kcadm.sh create clear-keys-cache -r demorealm -s realm=demorealm
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19.7. Role operations
링크 복사

Creating a realm role

To create a realm role use roles endpoint: 

$ kcadm.sh create roles -r demorealm -s name=user -s 'description=Regular user with limited set of permissions'
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Creating a client role

To create a client role identify the client first - use get to list available clients: 

$ kcadm.sh get clients -r demorealm --fields id,clientId
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Then create a new role by using client’s id attribute to construct an endpoint uri - clients/ID/roles.

For example: 

$ kcadm.sh create clients/a95b6af3-0bdc-4878-ae2e-6d61a4eca9a0/roles -r demorealm -s name=editor -s 'description=Editor can edit, and publish any article'
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Listing realm roles

To list existing realm roles use get command: 

$ kcadm.sh get roles -r demorealm
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You can also use get-roles command: 

$ kcadm.sh get-roles -r demorealm
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Listing client roles
Use special get-roles command, passing it either clientId (via --cclientid option) or id (via --cid option) to identify the client, and list defined roles:

For example: 

$ kcadm.sh get-roles -r demorealm --cclientid realm-management
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Getting a specific realm role
Use get command, and role name to construct an endpoint uri for a specific realm role - roles/ROLE_NAME

For example: 

$ kcadm.sh get roles/user -r demorealm
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Where user is the name of existing role.

Alternatively, use special get-roles command, passing it role name (via --rolename option) or id (via --roleid option).

For example: 

$ kcadm.sh get-roles -r demorealm --rolename user
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Getting a specific client role
Use special get-roles command, passing it either clientId (via --cclientid option) or id (via --cid option) to identify the client, and passing it either role name (via --rolename option) or 'id' (via --roleid) to identify a specific client role:

For example: 

$ kcadm.sh get-roles -r demorealm --cclientid realm-management --rolename manage-clients
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Updating a realm role

Use update operation with the same endpoint uri as for getting a specific realm role. For example: 

$ kcadm.sh update roles/user -r demorealm -s 'description=Role representing a regular user'
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Updating a client role

Use update operation with the same endpoint uri as for getting a specific client role. For example: 

$ kcadm.sh update clients/a95b6af3-0bdc-4878-ae2e-6d61a4eca9a0/roles/editor -r demorealm -s 'description=User that can edit, and publish articles'
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Deleting a realm role

Use delete operation with the same endpoint uri as for getting a specific realm role. For example: 

$ kcadm.sh delete roles/user -r demorealm
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Deleting a client role

Use delete operation with the same endpoint uri as for getting a specific client role. For example: 

$ kcadm.sh delete clients/a95b6af3-0bdc-4878-ae2e-6d61a4eca9a0/roles/editor -r demorealm
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Listing assigned, available and effective realm roles for a composite role
There is a dedicated get-roles command to simplify listing of both realm and client roles. It is an extension of get command thus it behaves like get command with additional semantics for listing roles.

To list assigned realm roles for the composite role you can specify the target composite role by either name (via --rname option) or id (via --rid option).

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole --effective
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To list realm roles that can still be added to the composite role, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole --available
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Listing assigned, available, and effective client roles for a composite role
You can again use get-roles command to simplify listing of roles.

To list assigned client roles for the composite role you can specify the target composite role by either name (via --rname option) or id (via --rid option), and client by either clientId (via --cclientid option) or id (via --cid option).

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole --cclientid realm-management
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole --cclientid realm-management --effective
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To list realm roles that can still be added to the target composite role, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --rname testrole --cclientid realm-management --available
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Adding realm roles to a composite role
There is a dedicated add-roles command that can be used for adding both realm roles and client roles.

For example, to add 'user' role to composite role 'testrole' : 

$ kcadm.sh add-roles --rname testrole --rolename user -r demorealm
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Removing realm roles from a composite role
There is a dedicated remove-roles command that can be used to remove both realm roles and client roles.

For example, to remove 'user' role from target composite role 'testrole': 

$ kcadm.sh remove-roles --rname testrole --rolename user -r demorealm
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Adding client roles to a composite role
There is a dedicated add-roles operation that can be used for adding both realm roles and client roles.

For example, to add to testrole composite role two roles defined on client realm-management - create-client role and view-users role: 

$ kcadm.sh add-roles -r demorealm --rname testrole --cclientid realm-management --rolename create-client --rolename view-users
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Removing client roles from a composite role
There is a dedicated remove-roles operation that can be used for removing both realm roles and client roles.

For example, to remove from testrole composite role two roles defined on client realm management - create-client role and view-users role: 

$ kcadm.sh remove-roles -r demorealm --rname testrole --cclientid realm-management --rolename create-client --rolename view-users
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19.8. Client operations
링크 복사

Creating a client

A new client can be created by using create command against clients endpoint. For example: 

$ kcadm.sh create clients -r demorealm -s clientId=myapp -s enabled=true
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Listing clients

It’s very easy to list existing clients. For example: 

$ kcadm.sh get clients -r demorealm --fields id,clientId
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Here we filter the output to only list id, and clientId attributes.

Getting a specific client

Use client’s id to construct an endpoint uri targeting specific client - clients/ID. For example: 

$ kcadm.sh get clients/c7b8547f-e748-4333-95d0-410b76b3f4a3 -r demorealm
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Getting adapter configuration file (keycloak.json) for specific client
Use client’s id to construct an endpoint uri targeting specific client - clients/ID/installation/providers/keycloak-oidc-keycloak-json.

For example: 

$ kcadm.sh get clients/c7b8547f-e748-4333-95d0-410b76b3f4a3/installation/providers/keycloak-oidc-keycloak-json -r demorealm
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Getting Wildfly subsystem adapter configuration for specific client
Use client’s id to construct an endpoint uri targeting specific client - clients/ID/installation/providers/keycloak-oidc-jboss-subsystem.

For example: 

$ kcadm.sh get clients/c7b8547f-e748-4333-95d0-410b76b3f4a3/installation/providers/keycloak-oidc-jboss-subsystem -r demorealm
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Updating a client

Use update operation with the same endpoint uri as for getting a specific client. For example on Linux: 

$ kcadm.sh update clients/c7b8547f-e748-4333-95d0-410b76b3f4a3 -r demorealm -s enabled=false -s publicClient=true -s 'redirectUris=["http://localhost:8080/myapp/*"]' -s baseUrl=http://localhost:8080/myapp -s adminUrl=http://localhost:8080/myapp
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Or on Windows: 

c:\> kcadm update clients/c7b8547f-e748-4333-95d0-410b76b3f4a3 -r demorealm -s enabled=false -s publicClient=true -s "redirectUris=[\"http://localhost:8080/myapp/*\"]" -s baseUrl=http://localhost:8080/myapp -s adminUrl=http://localhost:8080/myapp
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Deleting a client

Use delete operation with the same endpoint uri as for getting a specific client. For example: 

$ kcadm.sh delete clients/c7b8547f-e748-4333-95d0-410b76b3f4a3 -r demorealm
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19.9. User operations
링크 복사

Creating a user

A new user can be created using the create command against the users endpoint. For example: 

$ kcadm.sh create users -r demorealm -s username=testuser -s enabled=true
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Listing users

Use users endpoint to list users. Number of users may be large, and you may want to limit how many are returned: 

$ kcadm.sh get users -r demorealm --offset 0 --limit 1000
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It’s also possible to filter users by username, firstName, lastName, or email. For example: 

$ kcadm.sh get users -r demorealm -q email=google.com
$ kcadm.sh get users -r demorealm -q username=testuser
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Note that filtering doesn’t use exact matching. For example, the above would match the value of username attribute against '*testuser*' pattern.

You can also filter across multiple attributes by specifying multiple -q options, which would return only users that match condition for all the attributes.

Getting a specific user
Use user id to compose an endpoint uri matching a specific user - users/USER_ID.

For example: 

$ kcadm.sh get users/0ba7a3fd-6fd8-48cd-a60b-2e8fd82d56e2 -r demorealm
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Updating a user

Use update operation with the same endpoint uri as for getting a specific user. For example on Linux: 

$ kcadm.sh update users/0ba7a3fd-6fd8-48cd-a60b-2e8fd82d56e2 -r demorealm -s 'requiredActions=["VERIFY_EMAIL","UPDATE_PROFILE","CONFIGURE_TOTP","UPDATE_PASSWORD"]'
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Or on Windows: 

c:\> kcadm update users/0ba7a3fd-6fd8-48cd-a60b-2e8fd82d56e2 -r demorealm -s "requiredActions=[\"VERIFY_EMAIL\",\"UPDATE_PROFILE\",\"CONFIGURE_TOTP\",\"UPDATE_PASSWORD\"]"
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Deleting a user

Use delete operation with the same endpoint uri as for getting a specific user. For example: 

$ kcadm.sh delete users/0ba7a3fd-6fd8-48cd-a60b-2e8fd82d56e2 -r demorealm
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Resetting user’s password

There is a dedicated set-password command specifically to reset user’s password. For example: 

$ kcadm.sh set-password -r demorealm --username testuser --password NEWPASSWORD --temporary
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That will set a temporary password for the user, which they will have to change the next time they login.

You can use --userid if you want to specify the user by using id attribute.

The same can be achieved using the update operation against an endpoint constructed from one for getting a specific user - users/USER_ID/reset-password.

For example: 

$ kcadm.sh update users/0ba7a3fd-6fd8-48cd-a60b-2e8fd82d56e2/reset-password -r demorealm -s type=password -s value=NEWPASSWORD -s temporary=true -n
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The last parameter (-n) forces a so called 'no-merge' update which performs a PUT only, without first doing a GET to retrieve current state of the resource. In this case it is necessary since reset-password endpoint doesn’t support GET.

Listing assigned, available, and effective realm roles for a user
There is a dedicated get-roles command to simplify listing of both realm and client roles. It is an extension of get command thus it behaves like get command with additional semantics for listing roles.

To list assigned realm roles for the user you can specify the target user by either username or id.

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser --effective
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To list realm roles that can still be added to the user, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser --available
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Listing assigned, available, and effective client roles for a user
You can again use get-roles command to simplify listing of roles.

To list assigned client roles for the user you can specify the target user by either username (via --uusername option) or id (via --uid option), and client by either clientId (via --cclientid option) or id (via --cid option).

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser --cclientid realm-management
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser --cclientid realm-management --effective
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To list realm roles that can still be added to the user, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --uusername testuser --cclientid realm-management --available
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Adding realm roles to a user
There is a dedicated add-roles command that can be used for adding both realm roles and client roles.

For example, to add 'user' role to user 'testuser' : 

$ kcadm.sh add-roles --username testuser --rolename user -r demorealm
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Removing realm roles from a user
There is a dedicated remove-roles command that can be used to remove both realm roles and client roles.

For example, to remove 'user' role from user 'testuser': 

$ kcadm.sh remove-roles --username testuser --rolename user -r demorealm
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Adding client roles to a user
There is a dedicated add-roles operation that can be used for adding both realm roles and client roles.

For example, to add to user testuser two roles defined on client realm management - create-client role and view-users role: 

$ kcadm.sh add-roles -r demorealm --uusername testuser --cclientid realm-management --rolename create-client --rolename view-users
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Removing client roles from a user
There is a dedicated remove-roles operation that can be used for removing both realm roles and client roles.

For example, to remove from user testuser two roles defined on client realm management - create-client role and view-users role: 

$ kcadm.sh remove-roles -r demorealm --uusername testuser --cclientid realm-management --rolename create-client --rolename view-users
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Listing user’s sessions
First identify user’s id then use it to compose an endpoint uri - users/ID/sessions.

Now use get to retrieve a list of user’s sessions.

For example: 

$kcadm get users/6da5ab89-3397-4205-afaa-e201ff638f9e/sessions
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Logging out user from specific session
To invalidate a session you only need session’s id. You can get it by listing user’s sessions.

Use session’s id to compose an endpoint uri - sessions/ID.

The use delete to invalidate it. For example: 

$ kcadm.sh delete sessions/d0eaa7cc-8c5d-489d-811a-69d3c4ec84d1
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Logging out user from all sessions
You need user’s id to construct an endpoint uri - users/ID/logout.

Use 'create' to send logout-from-all-sessions request: 

$ kcadm.sh create users/6da5ab89-3397-4205-afaa-e201ff638f9e/logout -r demorealm -s realm=demorealm -s user=6da5ab89-3397-4205-afaa-e201ff638f9e
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19.10. Group operations
링크 복사

Creating a group

Use create operation, and groups endpoint to create a new group: 

$ kcadm.sh create groups -r demorealm -s name=Group
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Listing groups

Use get operation, and groups endpoint to list groups: 

$ kcadm.sh get groups -r demorealm
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Getting a specific group
Use group’s id to construct an endpoint uri - groups/GROUP_ID:

For example: 

$ kcadm.sh get groups/51204821-0580-46db-8f2d-27106c6b5ded -r demorealm
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Updating a group

Use update operation with the same endpoint uri as for getting a specific group. For example: 

$ kcadm.sh update groups/51204821-0580-46db-8f2d-27106c6b5ded -s 'attributes.email=["group@example.com"]' -r demorealm
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Deleting a group

Use delete operation with the same endpoint uri as for getting a specific group. For example: 

$ kcadm.sh delete groups/51204821-0580-46db-8f2d-27106c6b5ded -r demorealm
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Creating a sub-group
Find 'id' of the parent group - by listing groups for example. Use that id to construct an endpoint uri - groups/GROUP_ID/children:

For example: 

$ kcadm.sh create groups/51204821-0580-46db-8f2d-27106c6b5ded/children -r demorealm -s name=SubGroup
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Moving a group under another group
Find 'id' of existing parent group, and of existing child group. Use parent group’s id to construct and endpoint uri - groups/PARENT_GROUP_ID/children.

Make 'create' operation against this endpoint, and pass child group id as JSON body. For example: 

$ kcadm.sh create groups/51204821-0580-46db-8f2d-27106c6b5ded/children -r demorealm -s id=08d410c6-d585-4059-bb07-54dcb92c5094
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Get groups for specific user
To get user’s membership in groups, use user’s id to compose a resource URI - users/USER_ID/groups

For example: 

$ kcadm.sh get users/b544f379-5fc4-49e5-8a8d-5cfb71f46f53/groups -r demorealm
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Adding user to a group
To join user to a group use update operation against a resource uri composed from user’s id, and group’s id - users/USER_ID/groups/GROUP_ID.

For example: 

$ kcadm.sh update users/b544f379-5fc4-49e5-8a8d-5cfb71f46f53/groups/ce01117a-7426-4670-a29a-5c118056fe20 -r demorealm -s realm=demorealm -s userId=b544f379-5fc4-49e5-8a8d-5cfb71f46f53 -s groupId=ce01117a-7426-4670-a29a-5c118056fe20 -n
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Removing user from a group
To remove user from a group use delete operation against the same resource uri as used for adding user to a group - users/USER_ID/groups/GROUP_ID.

For example: 

$ kcadm.sh delete users/b544f379-5fc4-49e5-8a8d-5cfb71f46f53/groups/ce01117a-7426-4670-a29a-5c118056fe20 -r demorealm
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Listing assigned, available, and effective realm roles for a group
There is a dedicated 'get-roles' command to simplify listing of roles. It is an extension of get command thus it behaves like get command with additional semantics for listing roles.

To list assigned realm roles for the group you can specify the target group by name (via --gname option), path (via --gpath option), or id (via --gid option).

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group --effective
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To list realm roles that can still be added to the group, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group --available
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Listing assigned, available, and effective client roles for a group
A dedicated 'get-roles' command can be used to list for both realm roles and client roles.

To list assigned client roles for the user you can specify the target group by either name (via --gname option) or id (via --gid option), and client by either clientId (via --cclientid option) or id (via --id option).

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group --cclientid realm-management
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To list effective realm roles, use additional --effective option.

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group --cclientid realm-management --effective
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To list realm roles that can still be added to the group, use --available option instead.

For example: 

$ kcadm.sh get-roles -r demorealm --gname Group --cclientid realm-management --available
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19.11. Identity Providers operations
링크 복사

Listing available identity providers

Use serverinfo endpoint to list available identity providers. For example: 

$ kcadm.sh get serverinfo -r demorealm --fields 'identityProviders(*)'
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Note that serverinfo endpoint is handled similarly to realms endpoint in that it is not resolved into resource URI as relative to target realm.

Listing configured identity providers

Use identity-provider/instances endpoint. For example: 

$ kcadm.sh get identity-provider/instances -r demorealm --fields alias,providerId,enabled
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Getting a specific configured identity provider
To get a specific identity provider use an alias attribute of identity provider to construct an endpoint uri - identity-provider/instances/ALIAS.

For example: 

$ kcadm.sh get identity-provider/instances/facebook -r demorealm
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Removing a specific configured identity provider

Use delete operation with the same endpoint uri as for getting a specific configured identity provider. For example: 

$ kcadm.sh delete identity-provider/instances/facebook -r demorealm
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Configuring a Keycloak OpenID Connect identity provider
For Keycloak OpenID Connect use keycloak-oidc as providerId when creating a new identity provider instance.

Provide config attributes authorizationUrl, tokenUrl, clientId, and clientSecret.

For example: 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=keycloak-oidc -s providerId=keycloak-oidc -s enabled=true -s 'config.useJwksUrl="true"' -s config.authorizationUrl=http://localhost:8180/auth/realms/demorealm/protocol/openid-connect/auth -s config.tokenUrl=http://localhost:8180/auth/realms/demorealm/protocol/openid-connect/token -s config.clientId=demo-oidc-provider -s config.clientSecret=secret
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Configuring an OpenID Connect identity provider
You configure the generic OpenID Connect provider the same way as Keycloak OpenID Connect provider, except that you set providerId attribute value to oidc.
Configuring a SAML 2 identity provider
Use saml as providerId when creating a new identity provider instance. Provide config attributes - singleSignOnServiceUrl, nameIDPolicyFormat, and signatureAlgorithm.

For example: 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=saml -s providerId=saml -s enabled=true -s 'config.useJwksUrl="true"' -s config.singleSignOnServiceUrl=http://localhost:8180/auth/realms/saml-broker-realm/protocol/saml -s config.nameIDPolicyFormat=urn:oasis:names:tc:SAML:2.0:nameid-format:persistent -s config.signatureAlgorithm=RSA_SHA256
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Configuring a Facebook identity provider

Use facebook as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from Facebook Developers application configuration page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=facebook -s providerId=facebook -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=FACEBOOK_CLIENT_ID -s config.clientSecret=FACEBOOK_CLIENT_SECRET
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Configuring a Google identity provider

Use google as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from Google Developers application configuration page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=google -s providerId=google -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=GOOGLE_CLIENT_ID -s config.clientSecret=GOOGLE_CLIENT_SECRET
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Configuring a Twitter identity provider

Use twitter as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from Twitter Application Management application configuration page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=google -s providerId=google -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=TWITTER_API_KEY -s config.clientSecret=TWITTER_API_SECRET
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Configuring a GitHub identity provider

Use github as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from GitHub Developer Application Settings page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=github -s providerId=github -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=GITHUB_CLIENT_ID -s config.clientSecret=GITHUB_CLIENT_SECRET
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Configuring a LinkedIn identity provider

Use linkedin as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from LinkedIn Developer Console application page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=linkedin -s providerId=linkedin -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=LINKEDIN_CLIENT_ID -s config.clientSecret=LINKEDIN_CLIENT_SECRET
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Configuring a Microsoft Live identity provider

Use microsoft as providerId when creating a new identity provider instance. Provide config attributes - clientId and clientSecret as obtained from Microsoft Application Registration Portal page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=microsoft -s providerId=microsoft -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=MICROSOFT_APP_ID -s config.clientSecret=MICROSOFT_PASSWORD
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Configuring a StackOverflow identity provider

Use stackoverflow as providerId when creating a new identity provider instance. Provide config attributes - clientId, clientSecret and key as obtained from Stack Apps OAuth page for your application. 

$ kcadm.sh create identity-provider/instances -r demorealm -s alias=stackoverflow -s providerId=stackoverflow -s enabled=true  -s 'config.useJwksUrl="true"' -s config.clientId=STACKAPPS_CLIENT_ID -s config.clientSecret=STACKAPPS_CLIENT_SECRET -s config.key=STACKAPPS_KEY
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19.12. Storage Providers operations
링크 복사

Configuring a Kerberos storage provider
Use create against user-federation/instances endpoint. Specify kerberos as a value of providerName attribute.

For example: 

$ kcadm.sh create user-federation/instances -r demorealm -s providerName=kerberos -s priority=0 -s config.debug=false -s config.allowPasswordAuthentication=true -s 'config.editMode="UNSYNCED"' -s config.updateProfileFirstLogin=true -s config.allowKerberosAuthentication=true -s 'config.kerberosRealm="KEYCLOAK.ORG"' -s 'config.keyTab="http.keytab"' -s 'config.serverPrincipal="HTTP/localhost@KEYCLOAK.ORG"'
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Configuring an LDAP user storage provider
Use create against components endpoint. Specify ldap as a value of providerId attribute, and org.keycloak.storage.UserStorageProvider as value of providerType attribute. Provide realm id as value of parentId attribute.

For example, to create a Kerberos integrated LDAP provider: 

$ kcadm.sh create components -r demorealm -s name=kerberos-ldap-provider -s providerId=ldap -s providerType=org.keycloak.storage.UserStorageProvider -s parentId=3d9c572b-8f33-483f-98a6-8bb421667867  -s 'config.priority=["1"]' -s 'config.fullSyncPeriod=["-1"]' -s 'config.changedSyncPeriod=["-1"]' -s 'config.cachePolicy=["DEFAULT"]' -s config.evictionDay=[] -s config.evictionHour=[] -s config.evictionMinute=[] -s config.maxLifespan=[] -s 'config.batchSizeForSync=["1000"]' -s 'config.editMode=["WRITABLE"]' -s 'config.syncRegistrations=["false"]' -s 'config.vendor=["other"]' -s 'config.usernameLDAPAttribute=["uid"]' -s 'config.rdnLDAPAttribute=["uid"]' -s 'config.uuidLDAPAttribute=["entryUUID"]' -s 'config.userObjectClasses=["inetOrgPerson, organizationalPerson"]' -s 'config.connectionUrl=["ldap://localhost:10389"]'  -s 'config.usersDn=["ou=People,dc=keycloak,dc=org"]' -s 'config.authType=["simple"]' -s 'config.bindDn=["uid=admin,ou=system"]' -s 'config.bindCredential=["secret"]' -s 'config.searchScope=["1"]' -s 'config.useTruststoreSpi=["ldapsOnly"]' -s 'config.connectionPooling=["true"]' -s 'config.pagination=["true"]' -s 'config.allowKerberosAuthentication=["true"]' -s 'config.serverPrincipal=["HTTP/localhost@KEYCLOAK.ORG"]' -s 'config.keyTab=["http.keytab"]' -s 'config.kerberosRealm=["KEYCLOAK.ORG"]' -s 'config.debug=["true"]' -s 'config.useKerberosForPasswordAuthentication=["true"]'
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Removing a user storage provider instance
Use storage provider instance’s id attribute to compose an endpoint uri - components/ID.

Perform delete operation against this endpoint. For example: 

$ kcadm.sh delete components/3d9c572b-8f33-483f-98a6-8bb421667867 -r demorealm
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Triggering synchronization of all users for specific user storage provider
Use storage provider’s id attribute to compose an endpoint uri - user-storage/ID_OF_USER_STORAGE_INSTANCE/sync Add action=triggerFullSync query parameter and use create.

For example: 

$ kcadm.sh create user-storage/b7c63d02-b62a-4fc1-977c-947d6a09e1ea/sync?action=triggerFullSync
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Triggering synchronization of changed users for specific user storage provider
Use storage provider’s id attribute to compose an endpoint uri - user-storage/ID_OF_USER_STORAGE_INSTANCE/sync Add action=triggerChangedUsersSync query parameter and use create.

For example: 

$ kcadm.sh create user-storage/b7c63d02-b62a-4fc1-977c-947d6a09e1ea/sync?action=triggerChangedUsersSync
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Test LDAP user storage connectivity
Perform get operation against testLDAPConnection endpoint. Provide query parameters bindCredential, bindDn, connectionUrl, and useTruststoreSpi, and set action query parameter to testConnection.

For example: 

$ kcadm.sh get testLDAPConnection -q action=testConnection -q bindCredential=secret -q bindDn=uid=admin,ou=system -q connectionUrl=ldap://localhost:10389 -q useTruststoreSpi=ldapsOnly
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Test LDAP user storage authentication
Perform get operation against testLDAPConnection endpoint. Provide query parameters bindCredential, bindDn, connectionUrl, and useTruststoreSpi, and set action query parameter to testAuthentication.

For example: 

$ kcadm.sh get testLDAPConnection -q action=testAuthentication -q bindCredential=secret -q bindDn=uid=admin,ou=system -q connectionUrl=ldap://localhost:10389 -q useTruststoreSpi=ldapsOnly
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19.13. Adding mappers
링크 복사

Adding a hardcoded role LDAP mapper
Use create against components endpoint. Set providerType attribute to org.keycloak.storage.ldap.mappers.LDAPStorageMapper. Set parentId attribute to id of LDAP provider instance. Set providerId attribute to hardcoded-ldap-role-mapper. Make sure to provide a value of role config parameter.

For example: 

$ kcadm.sh create components -r demorealm -s name=hardcoded-ldap-role-mapper -s providerId=hardcoded-ldap-role-mapper -s providerType=org.keycloak.storage.ldap.mappers.LDAPStorageMapper -s parentId=b7c63d02-b62a-4fc1-977c-947d6a09e1ea -s 'config.role=["realm-management.create-client"]'
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Adding a MS Active Directory mapper
Use create against components endpoint. Set providerType attribute to org.keycloak.storage.ldap.mappers.LDAPStorageMapper. Set parentId attribute to id of LDAP provider instance. Set providerId attribute to msad-user-account-control-mapper.

For example: 

$ kcadm.sh create components -r demorealm -s name=msad-user-account-control-mapper -s providerId=msad-user-account-control-mapper -s providerType=org.keycloak.storage.ldap.mappers.LDAPStorageMapper -s parentId=b7c63d02-b62a-4fc1-977c-947d6a09e1ea
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Adding a user attribute LDAP mapper
Use create against components endpoint. Set providerType attribute to org.keycloak.storage.ldap.mappers.LDAPStorageMapper. Set parentId attribute to id of LDAP provider instance. Set providerId attribute to user-attribute-ldap-mapper.

For example: 

$ kcadm.sh create components -r demorealm -s name=user-attribute-ldap-mapper -s providerId=user-attribute-ldap-mapper -s providerType=org.keycloak.storage.ldap.mappers.LDAPStorageMapper -s parentId=b7c63d02-b62a-4fc1-977c-947d6a09e1ea -s 'config."user.model.attribute"=["email"]' -s 'config."ldap.attribute"=["mail"]' -s 'config."read.only"=["false"]' -s 'config."always.read.value.from.ldap"=["false"]' -s 'config."is.mandatory.in.ldap"=["false"]'
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Adding a group LDAP mapper
Use create against components endpoint. Set providerType attribute to org.keycloak.storage.ldap.mappers.LDAPStorageMapper. Set parentId attribute to id of LDAP provider instance. Set providerId attribute to group-ldap-mapper.

For example: 

$ kcadm.sh create components -r demorealm -s name=group-ldap-mapper -s providerId=group-ldap-mapper -s providerType=org.keycloak.storage.ldap.mappers.LDAPStorageMapper -s parentId=b7c63d02-b62a-4fc1-977c-947d6a09e1ea -s 'config."groups.dn"=[]' -s 'config."group.name.ldap.attribute"=["cn"]' -s 'config."group.object.classes"=["groupOfNames"]' -s 'config."preserve.group.inheritance"=["true"]' -s 'config."membership.ldap.attribute"=["member"]' -s 'config."membership.attribute.type"=["DN"]' -s 'config."groups.ldap.filter"=[]' -s 'config.mode=["LDAP_ONLY"]' -s 'config."user.roles.retrieve.strategy"=["LOAD_GROUPS_BY_MEMBER_ATTRIBUTE"]' -s 'config."mapped.group.attributes"=["admins-group"]' -s 'config."drop.non.existing.groups.during.sync"=["false"]' -s 'config.roles=["admins"]' -s 'config.groups=["admins-group"]' -s 'config.group=[]' -s 'config.preserve=["true"]' -s 'config.membership=["member"]'
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Adding a full name LDAP mapper
Use create against components endpoint. Set providerType attribute to org.keycloak.storage.ldap.mappers.LDAPStorageMapper. Set parentId attribute to id of LDAP provider instance. Set providerId attribute to full-name-ldap-mapper.

For example: 

$ kcadm.sh create components -r demorealm -s name=full-name-ldap-mapper -s providerId=full-name-ldap-mapper -s providerType=org.keycloak.storage.ldap.mappers.LDAPStorageMapper -s parentId=b7c63d02-b62a-4fc1-977c-947d6a09e1ea -s 'config."ldap.full.name.attribute"=["cn"]' -s 'config."read.only"=["false"]' -s 'config."write.only"=["true"]'
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19.14. Authentication operations
링크 복사

Setting a password policy
Set realm’s passwordPolicy attribute to an enumeration expression including specific policy provider id, and an optional configuration:

For example, to set password policy to 20000 hash iterations, requiring at least one special character, at least one uppercase character, at least one digit character, not be equal to user’s username, and be at least 8 characters long you would use the following: 

$ kcadm.sh update realms/demorealm -s 'passwordPolicy="hashIterations and specialChars and upperCase and digits and notUsername and length"'
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If you want want to use values different from defaults, pass configuration in brackets.

For example, to set password policy to 25000 hash iterations, requiring at least two special characters, at least two uppercase characters, at least two lowercase characters, at least two digits, be at least nine characters long, not be equal to user’s username, and not repeat for at least four changes back: 

$ kcadm.sh update realms/demorealm -s 'passwordPolicy="hashIterations(25000) and specialChars(2) and upperCase(2) and lowerCase(2) and digits(2) and length(9) and notUsername and passwordHistory(4)"'
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Getting the current password policy
Get current realm configuration and filter out everything but passwordPolicy attribute.

For example, to display passwordPolicy for demorealm: 

$ kcadm.sh get realms/demorealm --fields passwordPolicy
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Listing authentication flows

Use get operation against authentication/flows endpoint. For example: 

$ kcadm.sh get authentication/flows -r demorealm
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