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rancher / kontainer-driver-metadata

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README

kontainer-driver-metadata

Run

  • ./kontainer-driver-metadata --write-data=true loads data under /rke into data/data.json
  • vendor changes into RKE
  • rancher >=2.3 will listen on changes in data.json and load automatically

How to add to data

  • K8sVersionRKESystemImages map[string]v3.RKESystemImages

    • introduce new k8s version along with required system images, exact version required (eg 1.13.5-rancher1-1)
  • K8sVersionServiceOptions map[string]v3.KubernetesServicesOptions

    • mostly done on major k8s version basis, add minor specific version if needed
    • preference order while reading, minor_version > major_version (eg 1.13.5-rancher1-2 > 1.13)
  • K8sVersionToRancherVersions / K8sVersionToRKEVersions minRKE, maxRKE, minRancher, maxRancher)

    • exact version required (eg 1.13.5-rancher1-1)
    • min and max versions are to limit, nil or "" will be considered as "allowed" for all rancher and rke versions
    • add minRKE and maxRKE From RKE - Only versions that meet the requirements will be loaded for system images - K8sVersionsCurrent - max(minor_versions) for each major_version
    • add minRancher and maxRancher From Rancher - Only versions that meet minRancher will be loaded for system images (not max, to handle upgrades) - K8sVersionsCurrent - max(minor_versions) for each major_version if maxVersion < rancherVersion
  • DefaultK8sVersions (RancherDefaultK8sVersions, RKEDefaultK8sVersions) map[string]string -- need to combine these in one --

    • for every new rancher and rke version, add default k8s version
    • mostly will be required to update when introducing a new k8s version
    • if not present, rancher and rke will fallback on "default" key
  • K8sVersionedTemplates map[string]map[string]string

    • map[addon_name]map[version_]template
    • addon_names currently are : calico, canal, flannel, weave, coreDNS, kubeDNS, metricsServer, nginxIngress
    • version_num are mostly major version (eg v1.13) or "default"
      • can introduce minor version if required (eg v1.13.5)
      • preference order while reading, minor_version > major_version > "default"
  • Follow same for K8sVersionWindowsSystemImages, K8sVersionWindowsServiceOptions from 1 and 2

  • For detailed explanations,

Structure

metadata
- data
  - data.json
- rke
  - templates
    - calico
    - coredns
    - etc
  - k8s_defaults
  - k8s_rancher_rke_versions
  - k8s_system_images
  - k8s_service_options
  - k8s_windows_defaults

Empty file

About

该存储库用于保存k8s版本及其相关性的信息,例如k8s组件标志和系统插件映像。 expand collapse
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https://gitee.com/rancher/kontainer-driver-metadata.git
git@gitee.com:rancher/kontainer-driver-metadata.git
rancher
kontainer-driver-metadata
kontainer-driver-metadata
dev-v2.3

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