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MavenAuthenticate@0 - Maven Authenticate v0 task

Use this task to provide credentials for Azure Artifacts feeds and external Maven repositories.

Syntax

# Maven Authenticate v0
# Provides credentials for Azure Artifacts feeds and external maven repositories.
- task: MavenAuthenticate@0
  inputs:
    #artifactsFeeds: # string. Feeds. 
    #mavenServiceConnections: # string. Credentials for repositories outside this organization/collection.

Inputs

artifactsFeeds - Feeds
string.

Specifies a comma-separated list of Azure Artifacts feed names to authenticate with Maven. If you only need authentication for external Maven repositories, leave this field blank.


mavenServiceConnections - Credentials for repositories outside this organization/collection
string.

Specifies a comma-separated list of Maven service connection names from external organizations to authenticate with Maven. If you only need authentication for Azure Artifacts feeds, leave this field blank.


Task control options

All tasks have control options in addition to their task inputs. For more information, see Control options and common task properties.

Output variables

None.

Remarks

Specifies the credentials for Azure Artifacts feeds and external Maven repositories in the current user's settings.xml file.

Where is the settings.xml file containing the authenticated repositories located?

The Maven Authenticate task searches for the settings.xml file in the current user's home directory. For Linux and Mac, the path is $HOME/.m2/settings.xml. For Windows, the path is %USERPROFILE%\.m2\settings.xml. If the settings.xml file doesn't exist, a new one will be created at that path.

We use the mvn -s switch to specify our own settings.xml file. How do we authenticate Azure Artifacts feeds there?

The Maven Authenticate task doesn't have access to the custom settings.xml file that's specified by using an -s switch. To add Azure Artifacts authentication to your custom settings.xml, add a server element inside your settings.xml file:

<server>
  <id>feedName</id> <!-- Set this to the id of the <repository> element inside your pom.xml file. -->
  <username>AzureDevOps</username>
  <password>${env.SYSTEM_ACCESSTOKEN}</password>
</server>

The access token variable can be set in your pipelines using these instructions.

My Pipeline needs to access a feed in a different project

If the pipeline is running in a different project than the project hosting the feed, you must set up the other project to grant read/write access to the build service. See Package permissions in Azure Pipelines for more details.

Examples

Authenticate Maven feeds inside your organization

In this example, we authenticate two Azure Artifacts feeds within our organization.

Task definition

- task: MavenAuthenticate@0
  displayName: 'Maven Authenticate'
  inputs:
    artifactsFeeds: MyFeedInOrg1,MyFeedInOrg2

The MavenAuthenticate task updates the settings.xml file present in the agent user's .m2 directory located at {user.home}/.m2/settings.xml to add two entries inside the <servers> element.

settings.xml

<servers>
  <server>
    <id>MyFeedInOrg1</id>
    <username>AzureDevOps</username>
    <password>****</password>
  </server>
  <server>
    <id>MyFeedInOrg2</id>
    <username>AzureDevOps</username>
    <password>****</password>
  </server>
</servers>

To correctly authenticate the task, set the repositories in your project's pom.xml to the same <id> as the name specified in the task for Maven.

pom.xml

Project scoped feed

 <repository>
   <id>MyFeedInOrg1</id>
   <url>https://pkgs.dev.azure.com/OrganizationName/ProjectName/_packaging/MyProjectScopedFeed1/Maven/v1</url>
   <releases>
     <enabled>true</enabled>
   </releases>
   <snapshots>
     <enabled>true</enabled>
   </snapshots>
 </repository>

Organization scoped feed

 <repository>
   <id>MyFeedInOrg1</id>
   <url>https://pkgs.dev.azure.com/OrganizationName/_packaging/MyOrgScopedFeed1/Maven/v1</url>
   <releases>
     <enabled>true</enabled>
   </releases>
   <snapshots>
     <enabled>true</enabled>
   </snapshots>
 </repository>

The Artifacts feed URL may or may not contain the project. A URL for a project-scoped feed must contain the project, and a URL for an organization-scoped feed must not contain the project. Learn more about project-scoped feeds.

Authenticate Maven feeds outside your organization

In this example, we authenticate two external Maven repositories.

Task definition

- task: MavenAuthenticate@0
  displayName: 'Maven Authenticate'
  inputs:
    MavenServiceConnections: central,MavenOrg

The MavenAuthenticate task updates the settings.xml file present in the agent users' .m2 directory located at {user.home}/.m2/settings.xml to add two entries inside the <servers> element.

settings.xml

<servers>
  <server>
    <id>central</id>
    <username>centralUsername</username>
    <password>****</password>
  </server>
  <server>
    <id>MavenOrg</id>
    <username>mavenOrgUsername</username>
    <password>****</password>
  </server>
</servers>

To correctly authenticate the task, set the repositories in your project's pom.xml to the same <id> as the name specified in the task for Maven.

pom.xml

<repository>
  <id>central</id>
  <url>https://repo1.maven.org/maven2/</url>
  <releases>
    <enabled>true</enabled>
  </releases>
  <snapshots>
    <enabled>true</enabled>
  </snapshots>
</repository>

Requirements

Requirement Description
Pipeline types YAML, Classic build, Classic release
Runs on Agent, DeploymentGroup
Demands None
Capabilities This task does not satisfy any demands for subsequent tasks in the job.
Command restrictions Any
Settable variables Any
Agent version 2.144.0 or greater
Task category Package
Requirement Description
Pipeline types YAML, Classic build, Classic release
Runs on Agent, DeploymentGroup
Demands None
Capabilities This task does not satisfy any demands for subsequent tasks in the job.
Command restrictions Any
Settable variables Any
Agent version 2.120.0 or greater
Task category Package