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Deploying Applications to Runtime Fabric using Maven (Mule 4)

Runtime Fabric supports using Mule Maven Plugin 3.x to manage and deploy Mule applications. The information in this topic is specific to deploying a Mule application to Mule runtime engine 4.x.

To deploy Mule 3 applications using Mule Maven Plugin 2.x, see Deploy an Application to Runtime Fabric using Maven (Mule 3)

Prerequisites

Add the Mule Maven Plugin to a Mule Project

To add the Mule Maven plugin, you need to add its maven dependency to the project:

<plugin>
  <groupId>org.mule.tools.maven</groupId>
  <artifactId>mule-maven-plugin</artifactId>
  <version>3.7.1</version>
  <extensions>true</extensions>
</plugin>

From this repository:

<pluginRepositories>
  <pluginRepository>
    <id>mule-public</id>
    <url>https://repository.mulesoft.org/nexus/content/repositories/releases</url>
  </pluginRepository>
</pluginRepositories>

This enables the Mule Maven plugin in your project.

If <extensions>true</extensions> is not present, the plugin does not work.

Configure the Runtime Fabric Deployment Strategy

Inside the plugin element, add a configuration for your Runtime Fabric deployment, replacing the following placeholder values with your Runtime Fabric information:

<plugin>
  <groupId>org.mule.tools.maven</groupId>
  <artifactId>mule-maven-plugin</artifactId>
  <version>3.7.1</version>
  <extensions>true</extensions>
  <configuration>
    <runtimeFabricDeployment>
      <uri>https://anypoint.mulesoft.com</uri>
      <muleVersion>4.3.0</muleVersion>
      <username>user</username>
      <password>pass</password>
      <applicationName>newapp</applicationName>
      <target>rtf</target>
      <environment>Sandbox</environment>
      <provider>MC</provider>
      <replicas>1</replicas>
      <properties>
        <key>value</key>
      </properties>
      <deploymentSettings>
        <enforceDeployingReplicasAcrossNodes>false</enforceDeployingReplicasAcrossNodes>
        <updateStrategy>recreate</updateStrategy>
        <clustered>false</clustered>
        <forwardSslSession>false</forwardSslSession>
        <lastMileSecurity>false</lastMileSecurity>
        <resources>
          <cpu>
            <reserved>20m</reserved>
            <limit>1500m</limit>
          </cpu>
          <memory>
            <reserved>700Mi</reserved>
          </memory>
        </resources>
        <http>
          <inbound>
            <publicUrl>url</publicUrl>
          </inbound>
        </http>
      </deploymentSettings>
    </runtimeFabricDeployment>
  </configuration>
</plugin>

Deploy to Runtime Fabric

From the command line in your project’s folder, package the application and execute the deploy goal:

mvn clean deploy -DmuleDeploy

Exchange Snapshot Assets

You can also deploy Exchange snapshot assets into Runtime Fabric.

By using SNAPSHOT version assets in Anypoint Exchange during the development and testing phase, you can avoid incrementing your application’s version number for small changes. After your SNAPSHOT version application has been overwritten in Anypoint Exchange, you can redeploy your SNAPSHOT version application to Runtime Fabric via the Mule Maven plugin to deploy the latest changes.

To learn more about publishing snapshot assets to Anypoint Exchange, see Asset Lifecycle State.

Each time you update your application’s snapshot, redeploy the application to refresh it with the latest snapshot binaries.

Because snapshot assets can change after deployment, avoid deploying them into your production environment.

Redeploy to Runtime Fabric

To redeploy the application, run the same command as you did to deploy.
Runtime Fabric rewrites the application you had deployed.

Authentication Methods

When you deploy applications using Mule Maven plugin, you can use different methods to provide your credentials to authenticate against the deployment platform. Depending on the authentication method you use, the parameters to set in the deployment configuration differ:

Authentication Method Description Configuration Parameters

Username and password

Use a Runtime Fabric username and password to authenticate.

  • username

  • password

Server

Use credentials stored in a Maven server, configured inside the Maven settings.xml file.

  • server

Authorization Token

Use an authorization token to access the platform.
See Identity Management for a list of supported single sign-on (SSO) types.

  • authToken

Connected Apps

Use a Connected App to perform the authentication programmatically by communicating with Anypoint Platform.
Note that the Connected App credentials must have the Design Center Developer access scope.
See Connected Apps for Developers for instructions about creating Connected Apps.

  • connectedAppClientId

  • connectedAppClientSecret

  • connectedAppGrantType

For a detailed description of the configuration parameters, see the Runtime Fabric Deployment Parameters Reference.

Runtime Fabric Deployment Parameters Reference

Parameter Description Required

runtimeFabricDeployment

Top-Level Element

Yes

uri

Your Anypoint Platform URI.
If not set, defaults to https://anypoint.mulesoft.com.

No

muleVersion

The Mule runtime engine version to run in your Runtime Fabric instance.
Ensure that this value is equal to or higher than the earliest required Mule version of your application. By default, the latest available Mule version is selected.
Example values: 4.6.0 selects the last build where it defaults to Edge channel and Java 8. If you want to choose a different LTS or Edge selection or Java version, specify the full Mule version name as in 4.6.0:1e-java17.
When using Mule Maven plugin versions 3.8.0 and 4.0.0 for deployments, the muleVersion property doesn’t allow you to specify releaseChannel and javaVersion. To specify these properties, upgrade the plugin to version 4.1.1 or later.

No

username

Your Anypoint Platform username

Only when using Anypoint Platform credentials to login.

password

Your Anypoint Platform password

Only when using Anypoint Platform credentials to login.

applicationName

The application name displayed in Runtime Manager after the app deploys.

Yes

target

The Runtime Fabric target name where to deploy the app.

Yes

provider

Set to MC, for Runtime Fabric.

Yes

environment

Target Anypoint Platform environment.
This value must match an environment configured in your Anypoint Platform account, as shown here:

<environment>Sandbox</environment>

Yes

replicas

Specifies the number of replicas, or instances, of the Mule application to deploy. The maximum number of replicas per application is 16.

Yes

businessGroup

The Business group path of the deployment
Specify the full hierarchical path from the parent organization to the target Business group, for example:

<businessGroup>ParentOrg\SubOrg1\myBusinessGroup</businessGroup>

This value is omitted if businessGroupId is set. If businessGroup and businessGroupId are not set, the value defaults to the main business group of the user.

No

businessGroupId

The Business group ID of the deployment
Instead of specifying the Business group path, you can specify the Business group ID to deploy your application. If businessGroupId and businessGroup are not set, the value defaults to the main business group of the user.
The Business group ID is a mandatory parameter when you have access only to a specific Business group but not to the parent organization.
This parameter is available in plugin version 3.2.7 and later.

No

deploymentTimeout

The allowed elapsed time, in milliseconds, between the start of the deployment process and the confirmation that the artifact has been deployed

The default value is 1000000.

No

server

Maven server with Anypoint Platform credentials
This is only needed if you want to use your credentials stored in your Maven settings.xml file. This is not the Mule server name.

No

properties

Top-Level element
If you need to set properties for the Mule application you are deploying, you can use the <properties> top-level element:

<properties>
  <key>value</key>
</properties>

For example:

<properties>
  <http.port>8081</http.port>
</properties>

No

secureProperties

Top-Level element
Use the secureProperties top-level element to set properties for the Mule application and instruct Runtime Fabric to encrypt the values before storing them:

<secureProperties>
  <key>value</key>
</secureProperties>

For example:

<secureProperties>
  <http.port>8081</http.port>
</secureProperties>

No

skip

When set to true, skips the plugin deployment goal.
Its default value is false.

No

skipDeploymentVerification

When set to true, skips the status verification of your deployed app.
Its default value is false.

No

authToken

Specifies the authorization token to access the platform. You can use this authentication method instead of setting username and password.
See Identity Management for a list of supported single sign-on (SSO) types.

Only when using an Authorization token to login.

connectedAppClientId

Specifies the Connected App clientID value.

Only when using Connected Apps credentials to login.

connectedAppClientSecret

Specifies the Connected App secret key.

Only when using Connected Apps credentials to login.

connectedAppGrantType

Specifies the only supported connection type: client_credentials.

Only when using Connected Apps credentials to login.

deploymentSettings

Any of the parameters documented in deploymentSettings Reference

No

deploymentSettings Parameters Reference

Parameter Description

enforceDeployingReplicasAcrossNodes

Enforces the deployment of replicas across different nodes. The default value is false.

Configuration example:

<deploymentSettings>
  <enforceDeployingReplicasAcrossNodes>false</enforceDeployingReplicasAcrossNodes>
</deploymentSettings>

updateStrategy
Accepted values Description

rolling

Maintains availability by updating replicas incrementally. Requires one additional replica’s worth of resources to succeed.
If enforceDeployingReplicasAcrossNodes is enabled, the maximum number of replicas you can configure is one less than the total number of nodes.

recreate

Terminates replicas before re-deployment. Re-deployment is quicker than rolling and doesn’t require additional resources.
If enforceDeployingReplicasAcrossNodes is enabled, the maximum number of replicas you can configure is equal to the number of nodes.

The default value is rolling.

Configuration example:

<deploymentSettings>
  <updateStrategy>recreate</updateStrategy>
</deploymentSettings>

forwardSslSession

Enables SSL forwarding during a session. The default value is false.

Configuration example:

<deploymentSettings>
  <forwardSslSession>true</forwardSslSession>
</deploymentSettings>

clustered

Enables clustering across two or more replicas of the application. The default value is false.

Configuration example:

<deploymentSettings>
    <clustered>true</clustered>
</deploymentSettings>

lastMileSecurity

Enable Last-Mile security to forward HTTPS connections to be decrypted by this application
This requires an SSL certificate to be included in the Mule application, and also requires more CPU resources. The default value is false.
Configuration example:

<deploymentSettings>
    <lastMileSecurity>true</lastMileSecurity>
</deploymentSettings>

resources

cpu

reserved

Specifies the number of cores to allocate for each application replica. The default value is 0.5 vCores.

limit

Specifies the number of max cores to allocate for each replica of the application.
If a reserved configuration is present, ensure that this value is equal or higher.

memory

reserved

Specifies the amount of memory to allocate for each application replica. The default value is 700 MB.

limit

Specifies the maximum memory allocated per application replica. If a reserved configuration is present, ensure that this value is equal or higher.

Configuration example:

<deploymentSettings>
  <resources>
    <cpu>
      <reserved>20m</reserved>
      <limit>1500m</limit>
    </cpu>
    <memory>
      <reserved>700Mi</reserved>
    </memory>
  </resources>
</deploymentSettings>

http

inbound

publicURL

URL of the deployed application.

Configuration example using wildcard URL:

<deploymentSettings>
  <http>
    <inbound>
      <publicUrl>myapp.example.com</publicUrl>
    </inbound>
  </http>
</deploymentSettings>

Configuration example using single cert single URL:

<deploymentSettings>
  <http>
    <inbound>
      <publicUrl>wwww.example.com/myapp</publicUrl>
    </inbound>
  </http>
</deploymentSettings>

persistentObjectStore

Configures the Mule application to use a persistent object store. By default, it is set to false.

jvm

args

Specifies JVM arguments to pass to Runtime Fabric when deploying the application. Use spaces to separate each argument.

Configuration example:

<deploymentSettings>
  <jvm>
    <args>
      -XX:MaxMetaspaceSize=500m -XX:MaxRAMPercentage=60.0
    </args>
  </jvm>
</deploymentSettings>

generateDefaultPublicUrl

When this parameter is set to true, Runtime Fabric generates a public URL for the deployed application.

disableAmLogForwarding

Disables the application-level log forwarding to Anypoint Monitoring. By default, it is set to false.

Encrypt Credentials

To use encrypted credentials when deploying, you need to set up your Maven master encrypted password and your settings-security.xml file.

  1. Create a master password for your Maven configuration.

    mvn --encrypt-master-password <yourMasterPassword>

    Maven returns your master password encrypted:

    {l9vZ2uM5SdgHy+H12z4pX7LEOZn3Kbnqmt3kIquLjnQ=}

  2. Create a settings-security.xml file in your ~/.m2 repository and add your encrypted master password:

    <settingsSecurity>
  <master>{l9vZ2uM5SdgHy+H12z4pX7LEOZn3Kbnqmt3kIquLjnQ=}</master>
</settingsSecurity>

  3. Encrypt your Anypoint platform password:

    mvn --encrypt-password <yourAnypointPlatformPassword>

    Maven returns your Anypoint platform password encrypted:

    {HTWFGH5BG9QmvJ1B=}

  4. Add your encrypted Anypoint Platform password to your settings.xml file in the <server> section:

    <settings>
 ...
  <servers>
   ...
    <server>
      <id>my.anypoint.credentials</id>
      <username>my.anypoint.username</username>
      <password>{HTWFGH5BG9QmvJ1B=}</password>
    </server>
   ...
  </servers>
 ...
</settings>

  5. In your configuration deployment, reference the credentials injecting the server ID configured in your settings.xml file:

    <plugin>
  ...
  <configuration>
    ...
    <runtimeFabricDeployment>
      ...
      <server>my.anypoint.credentials</server>
      ...
    </runtimeFabricDeployment>
    ...
  </configuration>
  ...
<plugin>
    Make sure that the username and password are not set in the deployment configuration, or they will overwrite the defined server ID.

See Also