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kontainer-driver-metadata

Commit and PR Etiquette

Please make your change(s) and commit(s) as you normally would in any other Rancher project.However, the output of go generate should be it's own separate commit.

Run

• go generate
• 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 maxRKEFrom RKE- Only versions that meet the requirements will be loaded for system images- K8sVersionsCurrent - max(minor_versions) for each major_version
  • add minRancher and maxRancherFrom 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,

  • rke_example
  • rancher_example

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