A declarative framework for resilient Kubernetes deployment.
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Phil Sphicas 300a399aff apiserver(-webhook): Allow fileless kube-apiserver command_options
The kube-apiserver command line is constructed from a command_prefix
array, and in the case of the apiserver chart, an arguments array, both
defined in values.yaml. If an option needs to be added to the command
line, the entire array needs to be redefined in a values.yaml override,
which is sometimes inconvenient.

There is an existing interface in the apiserver and apiserver-webhook
charts to allow kube-apiserver arguments to be appended, but only when
they are associated with a config file that is dynamically included in a
configmap. The typical usage is similar to:

    conf:
      ignored_key_name:
        file: filename.yaml
        content: ...
        command_options:
          - --some-file=/etc/kubernetes/apiserver/filename.yaml

This change removes the requirement to include a file in the configmap,
allowing arbitrary command options to be appended. For example, in the
apiserver chart, this is now possible:

    conf:
      ignored_key_name:
        command_options:
          - --service-account-issuer=apiserver

Change-Id: I86283ecedd701c0f061da7b706d6ed54498f27a3
2021-04-28 05:18:16 +00:00
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README.md

Promenade

Promenade is a tool for bootstrapping a resilient Kubernetes cluster and managing its life-cycle via Helm charts.

Documentation can be found here.

Roadmap

The detailed Roadmap can be viewed on the OpenStack StoryBoard.

  • Cluster bootstrapping
    • Initial Genesis process results in a single node Kubernetes cluster with Under-cloud components deployed using Armada.
    • Joining sufficient master nodes results in a resilient Kubernetes cluster.
    • Destroy Genesis node after bootstrapping and re-provision as a normal node to ensure consistency.
  • Life-cycle management
    • Decommissioning of nodes.
    • Updating Kubernetes version.

Getting Started

To get started, see getting started.

Configuration is documented here.

Bugs

Bugs are tracked in OpenStack StoryBoard.