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Required Dependency Versions

The release notes also contain recommended versions of dependency releases for specific versions of Diego.

BOSH Director and Stemcells

Deploying diego-release requires the following minimum versions of BOSH dependencies:

  • BOSH release v264.7.0+.
  • BOSH stemcell 3541+.

These BOSH versions ensure the following BOSH operations occur on the Diego jobs:

  • Drain scripts are called for all jobs on each VM during updates.
  • The post-start scripts are called for the bbs and rep Diego jobs.
  • The pre-start script is called for the cflinuxfs2-rootfs-setup job co-located on the Linux Diego cells in a typical CF deployment.
  • The spec.id field is populated in the Diego job templates.

Garden releases

Diego-release also requires the following versions of supported Garden releases:

  • Linux cells require garden-runc v1.11.1+.
  • Windows cells require garden-windows v0.13.0+.

Deploying garden-runc 1.11.1+ and garden-windows v0.13.0+ ensures the following features are available:

  • The Image field is available on the ContainerSpec structure in the Garden API.
  • The NetIn and NetOut fields are available on the ContainerSpec structure in the Garden API.

Additionally, garden-runc 1.11.1+ ensures the following:

  • The Image field is available on the ProcessSpec. Diego uses this field to run the long-running declarative health-check process in a separate container.

MySQL and Postgres

See the Data Stores document for the minimum required versions of MySQL and Postgres and related BOSH releases.