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Configuration as code plugin for Sonatype Nexus Repository Manager

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⚠️ Unmaintained

As I am no longer using Nexus I do not maintain this plugin anymore. Have a look at the fork at https://github.com/AdaptiveConsulting/nexus-casc-plugin that is maintained at the time of writing.

Nexus Configuration as Code

Nexus CasC is a configuration as code plugin for sonatype nexus 3.

This plugin allows to specify a YAML file to configure a Nexus instance on startup.

Usage

Docker

When using docker the easiest way to get started is to use the sventschui/nexus-casc image that inherits form sonatype/nexus3.

The docker image supports the same options as the sonatype/nexus3 image plus the following additions.

It expects a YAML configuration file to be mounted to /opt/nexus.yml (This path can be overridden using the NEXUS_CASC_CONFIG env var).

The format of the YAML file is documented below.

Manual installation

Download the Nexus CasC plugin here and copy it into the systems folder of your nexus installation. This folder resides in /opt/sonatype/nexus/system/ when using the sonatype/nexus3 docker image.

Append the following line to the etc/karaf/startup.properties (/opt/sonatype/nexus/etc/karaf/startup.properties in the sonatype/nexus3 docker image) file. Replace the <NEXUS_CASC_VERSION> placeholder with the version of the Nexus CasC plugin you downloaded.

reference\:file\:nexus-casc-plugin-<NEXUS_CASC_VERSION>.jar = 199

Create a YAML configuration file (as documented below) and add its path to the NEXUS_CASC_CONFIG environment variable.

Now you can start Nexus as usual.

Configuration file

You can find an example configuration file here.

Interpolation

Use ${ENV_VAR} for env var interpolation. Use ${ENV_VAR:default} or ${ENV_VAR:"default"} for default values.

Use ${file:/path/to/a/file} to include the contents of a file.

The configuration file supports following options:

Supported options

Core

core:
  baseUrl: "" # Nexus base URL
  httpProxy: "" # HTTP proxy (Note: Basic Auth and NTLM are not yet supported, file an issue if you require this)
  httpsProxy: ""  # HTTP proxy
  nonProxyHosts: "" # Comma separated list of hosts not to be queried through a proxy

Security

security:
  anonymousAccess: false # Enable/Disable anonymous access
  pruneUsers: true # True to delete users not part of this configuration file
  realms: # Authentication realms, tested for rutauth-realm only
    - name: rutauth-realm
      enabled: true
  users:
    - username: johndoe
      firstName: John
      lastName: Doe
      password: ${file:/run/secrets/password_johndoe}
      updateExistingPassword: false # True to update passwords of existing users, otherwise password is only used when creating a user
      email: [email protected]
      roles:
        - source: ""
          role: nx-admin

Repository

repository:
  pruneBlobStores: true # True to delete blob stores not present in this configuration file
  blobStores: # List of blob stores to create
    - name: maven
      type: File
      attributes:
        file:
          path: maven
        blobStoreQuotaConfig:
          quotaLimitBytes: 10240000000
          quotaType: spaceUsedQuota
    - name: npm
      type: File
      attributes:
        file:
          path: npm
        blobStoreQuotaConfig:
          quotaLimitBytes: 10240000000
          quotaType: spaceUsedQuota
    - name: docker
      type: File
      attributes:
        file:
          path: docker
        blobStoreQuotaConfig:
          quotaLimitBytes: 10240000000
          quotaType: spaceUsedQuota
  pruneCleanupPolicies: true # True to delete cleanup policies not present in this configuration file 
  cleanupPolicies:
    - name: cleanup-maven-proxy
      format: maven2
      notes: ''
      criteria:
        lastDownloadBefore: 10
    - name: cleanup-npm-proxy
      format: npm
      notes: ''
      criteria:
        lastDownloadBefore: 10
    - name: cleanup-docker-proxy
      format: docker
      notes: ''
      criteria:
        lastDownloaded: 864000
  pruneRepositories: true # True to delete repositories not present in this configuration file
  repositories:
    - name: npm-proxy
      online: true
      recipeName: npm-proxy
      attributes:
        proxy:
          remoteUrl: https://registry.npmjs.org
          contentMaxAge: -1.0
          metadataMaxAge: 1440.0
        httpclient:
          blocked: false
          autoBlock: true
          connection:
            useTrustStore: false
        storage:
          blobStoreName: npm
          strictContentTypeValidation: true
        routingRules:
          routingRuleId: null
        negativeCache:
          enabled: true
          timeToLive: 1440.0
        cleanup:
          policyName: cleanup-npm-proxy
    - name: npm-hosted
      online: true
      recipeName: npm-hosted
      attributes:
        storage:
          blobStoreName: npm
          strictContentTypeValidation: true
          writePolicy: ALLOW_ONCE
        cleanup:
          policyName: None
    - name: npm
      online: true
      recipeName: npm-group
      attributes:
        storage:
          blobStoreName: npm
          strictContentTypeValidation: true
        group:
          memberNames:
           - "npm-proxy"
           - "npm-hosted"
    - name: maven-snapshots
      online: true
      recipeName: maven2-hosted
      attributes:
        maven:
          versionPolicy: SNAPSHOT
          layoutPolicy: STRICT
        storage:
          writePolicy: ALLOW
          strictContentTypeValidation: false
          blobStoreName: maven
    - name: maven-central
      online: true
      recipeName: maven2-proxy
      attributes:
        proxy:
          contentMaxAge: -1
          remoteUrl: https://repo1.maven.org/maven2/
          metadataMaxAge: 1440
        negativeCache:
          timeToLive: 1440
          enabled: true
        storage:
          strictContentTypeValidation: false
          blobStoreName: maven
        httpClient:
          connection:
            blocked: false
            autoBlock: true
        maven:
          versionPolicy: RELEASE
          layoutPolicy: PERMISSIVE
        cleanupPolicy:
          name: cleanup-maven-proxy
        httpclient:
        maven-indexer:
    - name: maven-tudelft
      online: true
      recipeName: maven2-proxy
      attributes:
        proxy:
          contentMaxAge: -1
          remoteUrl: https://simulation.tudelft.nl/maven/
          metadataMaxAge: 1440
        negativeCache:
          timeToLive: 1440
          enabled: true
        storage:
          strictContentTypeValidation: false
          blobStoreName: maven
        httpClient:
          connection:
            blocked: false
            autoBlock: true
        maven:
          versionPolicy: RELEASE
          layoutPolicy: PERMISSIVE
        cleanupPolicy:
          name: cleanup-maven-proxy
        httpclient:
        maven-indexer:
    - name: maven-public
      online: true
      recipeName: maven2-group
      attributes:
        maven:
          versionPolicy: MIXED
        group:
          memberNames:
           - "maven-central"
           - "maven-snapshots"
           - "maven-tudelft"
        storage:
          blobStoreName: maven
    - name: docker-hosted
      online: true
      recipeName: docker-hosted
      attributes:
        docker:
          forceBasicAuth: true
          v1Enabled: false
        storage:
          blobStoreName: docker
          strictContentTypeValidation: true
          writePolicy: ALLOW_ONCE
        cleanup:
          policyName: None
    - name: docker-proxy
      online: true
      recipeName: docker-proxy
      attributes:
        docker:
          forceBasicAuth: true
          v1Enabled: false
        proxy:
          remoteUrl: https://registry-1.docker.io
          contentMaxAge: -1.0
          metadataMaxAge: 1440.0
        dockerProxy:
          indexType: REGISTRY
        httpclient:
          blocked: false
          autoBlock: true
          connection:
            useTrustStore: false
        storage:
          blobStoreName: docker
          strictContentTypeValidation: true
        routingRules:
          routingRuleId: null
        negativeCache:
          enabled: true
          timeToLive: 1440.0
        cleanup:
          policyName: cleanup-docker-proxy
    - name: docker
      online: true
      recipeName: docker-group
      attributes:
        docker:
          forceBasicAuth: true
          v1Enabled: false
        storage:
          blobStoreName: docker
          strictContentTypeValidation: true
        group:
          memberNames:
            - "docker-hosted"
            - "docker-proxy"

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