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Update HttpClient behaviour to prevent client pool leaks
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@@ -13,7 +13,7 @@ To be used on a Keycloak instance configured with with the [Keycloak Firebase Sc | |
| ## Download latest release | ||
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| ``` | ||
| curl -L https://github.com/SmartMoveSystems/firebase-keycloak-importer/releases/download/0.0.4/firebase-keycloak-importer-0.0.4.jar > firebase-keycloak-importer-0.0.4.jar | ||
| curl -L https://github.com/SmartMoveSystems/firebase-keycloak-importer/releases/download/0.0.5/firebase-keycloak-importer-0.0.5.jar > firebase-keycloak-importer-0.0.5.jar | ||
| ``` | ||
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| ## Usage | ||
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@@ -36,13 +36,13 @@ Export your Firebase project's hash parameters to a JSON file with the format: | |
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| Run the following (the args `"--clientId", "--roles", "--clientSecret", "--default", "--debug"` are optional): | ||
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| The `default` argument specifies that the imported hash parameters will be the ones used for future users. | ||
| If you are only importing from one Firebase project, you must set this argument to `true`. | ||
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| ```bash | ||
| java -jar build\libs\firebase-keycloak-importer-0.0.4.jar --usersFile example_users.json --hashParamsFile example_hash_config.json --adminUser [email protected] --adminPassword admin --realm smartmove --serverUrl http://localhost:8080/auth --default true --debug | ||
| java -jar build\libs\firebase-keycloak-importer-0.0.5.jar --usersFile example_users.json --hashParamsFile example_hash_config.json --adminUser [email protected] --adminPassword admin --realm smartmove --serverUrl http://localhost:8080/auth --default true | ||
| ``` | ||
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| The `default` argument specifies that the imported hash parameters will be the ones used for future users. | ||
| If you are only importing from one Firebase project, you must set this argument to `true`. | ||
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| The client with the specified `clientId` and all specified `roles` must already exist in your Keycloak configuration. | ||
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| ## Importing from multiple projects | ||
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57 changes: 57 additions & 0 deletions
57
src/main/kotlin/com/smartmovesystems/keycloak/firebasemigrator/keycloak.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,57 @@ | ||
| package com.smartmovesystems.keycloak.firebasemigrator | ||
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| import org.jboss.resteasy.client.jaxrs.ResteasyClient | ||
| import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder | ||
| import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget | ||
| import org.keycloak.OAuth2Constants | ||
| import org.keycloak.admin.client.JacksonProvider | ||
| import org.keycloak.admin.client.Keycloak | ||
| import org.keycloak.admin.client.KeycloakBuilder | ||
| import javax.ws.rs.client.ClientRequestContext | ||
| import javax.ws.rs.client.ClientRequestFilter | ||
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| private val Keycloak.webTarget : ResteasyWebTarget | ||
| get() { | ||
| val targetField = this::class.java.getDeclaredField("target") | ||
| targetField.isAccessible = true | ||
| return targetField.get(this) as ResteasyWebTarget | ||
| } | ||
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| /** | ||
| * Making repeated calls to the RestEasyClient seems to eventually exhaust the client pool, regardless of size and | ||
| * configuration. Therefore, request the server close connections aggressively to avoid hangs | ||
| */ | ||
| private fun Keycloak.setCloseConnections() { | ||
| this.webTarget.register(object : ClientRequestFilter { | ||
| override fun filter(requestContext: ClientRequestContext?) { | ||
| requestContext!!.headers.add("Connection", "close") | ||
| } | ||
| }) | ||
| } | ||
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| private val resteasyClientBuilder: ResteasyClientBuilder by lazy { | ||
| ResteasyClientBuilder() | ||
| .register(JacksonProvider::class.java, 100) | ||
| } | ||
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| private val restEasyClient: ResteasyClient by lazy { | ||
| resteasyClientBuilder.useAsyncHttpEngine().build() | ||
| } | ||
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| /** | ||
| * Returns a logged-in Keycloak instance based on the provided arguments | ||
| */ | ||
| fun getKcInstance(arguments: Arguments): Keycloak { | ||
| val keycloak = KeycloakBuilder.builder() | ||
| .serverUrl(arguments.serverUrl) | ||
| .realm(arguments.realm) | ||
| .grantType(OAuth2Constants.PASSWORD) | ||
| .clientId("admin-cli") | ||
| .clientSecret(arguments.clientSecret) | ||
| .resteasyClient(restEasyClient) | ||
| .username(arguments.adminUser) | ||
| .password(arguments.adminPassword) | ||
| .build() | ||
| keycloak.setCloseConnections() | ||
| return keycloak | ||
| } |