Documented docker_version acceptable values (#3901)
Added a line documenting where to find acceptable values for the `docker_version` setting. If you use a value that is not used as a key value by `docker_versioned_pkg` the container-engine/docker playbook will throw a "Unexpected templating type error". (e.g. If you use '18.06.1' or '18.06.1-ce', neither of which is used as a key value of `docker_versioned_pkg`, rather than '18.06', you'll get an error when installing on Ubuntu 18.04.)
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@ -17,7 +17,8 @@ Some variables of note include:
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* *calico_version* - Specify version of Calico to use
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* *calico_cni_version* - Specify version of Calico CNI plugin to use
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* *docker_version* - Specify version of Docker to used (should be quoted
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string)
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string). Must match one of the keys defined for *docker_versioned_pkg*
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in `roles/container-engine/docker/vars/*.yml`.
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* *etcd_version* - Specify version of ETCD to use
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* *ipip* - Enables Calico ipip encapsulation by default
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* *kube_network_plugin* - Sets k8s network plugin (default Calico)
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