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Documented docker_version acceptable values (#3901)

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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.)
This commit is contained in:
Earl C. Ruby III 2018-12-27 05:32:16 -08:00 committed by Matthew Mosesohn
parent 320f4d4d7f
commit 3ce033995f
1 changed files with 2 additions and 1 deletions
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docs/vars.md
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@ -17,7 +17,8 @@ Some variables of note include:
* *calico_version* - Specify version of Calico to use
* *calico_cni_version* - Specify version of Calico CNI plugin to use
* *docker_version* - Specify version of Docker to used (should be quoted
string)
string). Must match one of the keys defined for *docker_versioned_pkg*
in `roles/container-engine/docker/vars/*.yml`.
* *etcd_version* - Specify version of ETCD to use
* *ipip* - Enables Calico ipip encapsulation by default
* *kube_network_plugin* - Sets k8s network plugin (default Calico)