ff3787c2ad
This removes the reliance on coredns for APIserver discovery, allowing a simpler configuration that is compatible with corednx 1.0.x Change-Id: Ia3b7b5627c16ec47af6b0d6d5e8dee2674e9b1ee
133 lines
4.3 KiB
ReStructuredText
133 lines
4.3 KiB
ReStructuredText
HostSystem
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==========
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Sample Document
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---------------
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.. code-block:: yaml
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schema: promenade/HostSystem/v1
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metadata:
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schema: metadata/Document/v1
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name: host-system
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layeringDefinition:
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abstract: false
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layer: site
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data:
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files:
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- path: /opt/kubernetes/bin/kubelet
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tar_url: https://dl.k8s.io/v1.8.6/kubernetes-node-linux-amd64.tar.gz
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tar_path: kubernetes/node/bin/kubelet
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mode: 0555
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images:
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haproxy: haproxy:1.8.3
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helm:
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helm: lachlanevenson/k8s-helm:v2.7.2
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kubernetes:
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kubectl: gcr.io/google_containers/hyperkube-amd64:v1.8.6
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packages:
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repositories:
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- deb http://apt.dockerproject.org/repo ubuntu-xenial main
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keys:
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- |-
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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HXITX660jglyshch6CWeiUATqjIAzkEQom/kEnOrvJAtkypRJ59vYQOedZ1sFVEL
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MXg2UCkD/FwojfnVtjzYaTCeGwFQeqzHmM241iuOmBYPeyTY5veF49aBJA1gEJOQ
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TvBR8Q==
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=Fm3p
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-----END PGP PUBLIC KEY BLOCK-----
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additional:
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- curl
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- jq
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required:
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docker: docker-engine=1.13.1-0~ubuntu-xenial
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socat: socat=1.7.3.1-1
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Files
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-----
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A list of files to be written to the host. Files can be given as precise content or extracted from a tarball specified by url:
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.. code-block:: yaml
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- path: /etc/direct-content
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content: |-
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This
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exact
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text
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- path: /etc/from-tar
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tar_url: http://example.com/file
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tar_source: dir/file.txt
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Images
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------
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Core Images
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^^^^^^^^^^^
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These images are used for essential functionality:
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``haproxy``
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HAProxy_ is configured and used for Kubernetes API discovery during
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bootstrapping.
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``kubectl``
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Used for label application and validation tasks during bootstrapping.
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.. _HAProxy: https://www.haproxy.org/
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Convenience Images
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^^^^^^^^^^^^^^^^^^
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The ``helm`` image is available for convenience.
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Packages
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--------
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Repository Configuration
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^^^^^^^^^^^^^^^^^^^^^^^^
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Additional APT repositories can be configured using the ``repositories`` and
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``keys`` fields of the ``SystemPackages`` document:
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``repositories``
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A list of APT source lines to be configured during genesis or join.
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``keys``
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A list of public PGP keys that can be used to verify installed packages.
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Package Configuration
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^^^^^^^^^^^^^^^^^^^^^
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The ``required`` key specifies packages that are required for all deployments,
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and the ``additional`` key allows arbitrary additional system packages to be
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installed. The ``additional`` key is particularly useful for installing
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packages such as `ceph-common`.
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