Update docker default to 19.03 - cleanup docker docs & refs (#6153)

README.md

@@ -116,7 +116,7 @@ Note: Upstart/SysV init based OS types are not supported.
 - Core
   - [kubernetes](https://github.com/kubernetes/kubernetes) v1.18.2
   - [etcd](https://github.com/coreos/etcd) v3.3.12
-  - [docker](https://www.docker.com/) v18.06 (see note)
+  - [docker](https://www.docker.com/) v19.03 (see note)
   - [containerd](https://containerd.io/) v1.2.13
   - [cri-o](http://cri-o.io/) v1.17 (experimental: see [CRI-O Note](docs/cri-o.md). Only on fedora, ubuntu and centos based OS)
 - Network Plugin
@@ -137,7 +137,7 @@ Note: Upstart/SysV init based OS types are not supported.
   - [coredns](https://github.com/coredns/coredns) v1.6.7
   - [ingress-nginx](https://github.com/kubernetes/ingress-nginx) v0.30.0
 
-Note: The list of validated [docker versions](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md) was updated to 1.13.1, 17.03, 17.06, 17.09, 18.06, 18.09. kubeadm now properly recognizes Docker 18.09.0 and newer, but still treats 18.06 as the default supported version. The kubelet might break on docker's non-standard version numbering (it no longer uses semantic versioning). To ensure auto-updates don't break your cluster look into e.g. yum versionlock plugin or apt pin).
+Note: The list of validated [docker versions](https://kubernetes.io/docs/setup/production-environment/container-runtimes/#docker) is 1.13.1, 17.03, 17.06, 17.09, 18.06, 18.09 and 19.03. The recommended docker version is 19.03. The kubelet might break on docker's non-standard version numbering (it no longer uses semantic versioning). To ensure auto-updates don't break your cluster look into e.g. yum versionlock plugin or apt pin).
 
 ## Requirements
 

roles/container-engine/docker/defaults/main.yml

 ---
-docker_version: '18.09'
+docker_version: '19.03'
 docker_cli_version: "{{ 'latest' if docker_version != 'latest' and docker_version is version('18.09', '<') else docker_version }}"
 docker_selinux_version: '17.03'
 

roles/container-engine/docker/vars/debian.yml

@@ -11,10 +11,10 @@ docker_versioned_pkg:
   '17.12': docker-ce=17.12.1~ce-0~debian
   '18.03': docker-ce=18.03.1~ce-0~debian
   '18.06': docker-ce=18.06.2~ce~3-0~debian
-  '18.09': docker-ce=5:18.09.7~3-0~debian-{{ ansible_distribution_release|lower }}
-  '19.03': docker-ce=5:19.03.7~3-0~debian-{{ ansible_distribution_release|lower }}
-  'stable': docker-ce=5:18.09.7~3-0~debian-{{ ansible_distribution_release|lower }}
-  'edge': docker-ce=5:19.03.7~3-0~debian-{{ ansible_distribution_release|lower }}
+  '18.09': docker-ce=5:18.09.9~3-0~debian-{{ ansible_distribution_release|lower }}
+  '19.03': docker-ce=5:19.03.9~3-0~debian-{{ ansible_distribution_release|lower }}
+  'stable': docker-ce=5:19.03.9~3-0~debian-{{ ansible_distribution_release|lower }}
+  'edge': docker-ce=5:19.03.9~3-0~debian-{{ ansible_distribution_release|lower }}
 
 docker_cli_versioned_pkg:
   'latest': docker-ce-cli

roles/container-engine/docker/vars/fedora.yml

@@ -9,17 +9,15 @@ docker_versioned_pkg:
   '18.03': docker-ce-18.03.1.ce-3.fc{{ ansible_distribution_major_version }}
   '18.06': docker-ce-18.06.2.ce-3.fc{{ ansible_distribution_major_version }}
   '18.09': docker-ce-18.09.7-3.fc{{ ansible_distribution_major_version }}
-  '19.03': docker-ce-19.03.8-3.fc{{ ansible_distribution_major_version }}
+  '19.03': docker-ce-19.03.9-3.fc{{ ansible_distribution_major_version }}
+  'stable': docker-ce-19.03.9-3.fc{{ ansible_distribution_major_version }}
+  'edge': docker-ce-19.03.9-3.fc{{ ansible_distribution_major_version }}
 
 docker_cli_versioned_pkg:
   'latest': docker-ce-cli
   '18.09': docker-ce-cli-19.03.8-3.fc{{ ansible_distribution_major_version }}
   '19.03': docker-ce-cli-19.03.9-3.fc{{ ansible_distribution_major_version }}
 
-# Fedora 30/31 don't provide packages for docker 18.0x ...
-docker_version: "19.03"
-docker_cli_version: "19.03"
-
 docker_package_info:
   pkg_mgr: dnf
   pkgs:

roles/container-engine/docker/vars/redhat.yml

@@ -12,9 +12,9 @@ docker_versioned_pkg:
   '18.03': docker-ce-18.03.1.ce-1.el7.centos
   '18.06': docker-ce-18.06.3.ce-3.el7
   '18.09': docker-ce-18.09.9-3.el7
-  '19.03': docker-ce-19.03.8-3.el7
-  'stable': docker-ce-18.09.9-3.el7
-  'edge': docker-ce-19.03.8-3.el7
+  '19.03': docker-ce-19.03.9-3.el7
+  'stable': docker-ce-19.03.9-3.el7
+  'edge': docker-ce-19.03.9-3.el7
 
 docker_cli_versioned_pkg:
   'latest': docker-ce-cli

roles/container-engine/docker/vars/ubuntu-amd64.yml

@@ -11,10 +11,10 @@ docker_versioned_pkg:
   '17.09': docker-ce=17.09.0~ce-0~ubuntu-{{ ansible_distribution_release|lower }}
   '17.12': docker-ce=17.12.1~ce-0~ubuntu-{{ ansible_distribution_release|lower }}
   '18.06': docker-ce=18.06.2~ce~3-0~ubuntu
-  '18.09': docker-ce=5:18.09.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  '19.03': docker-ce=5:19.03.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  'stable': docker-ce=5:18.09.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  'edge': docker-ce=5:19.03.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  '18.09': docker-ce=5:18.09.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  '19.03': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  'stable': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  'edge': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
 
 docker_cli_versioned_pkg:
   'latest': docker-ce-cli

roles/container-engine/docker/vars/ubuntu-arm64.yml

@@ -7,10 +7,10 @@ docker_versioned_pkg:
   '17.09': docker-ce=17.09.1~ce-0~ubuntu
   '17.12': docker-ce=17.12.1~ce-0~ubuntu-{{ ansible_distribution_release|lower }}
   '18.06': docker-ce=18.06.2~ce~3-0~ubuntu
-  '18.09': docker-ce=5:18.09.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  '19.03': docker-ce=5:19.03.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  'stable': docker-ce=5:18.09.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
-  'edge': docker-ce=5:19.03.7~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  '18.09': docker-ce=5:18.09.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  '19.03': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  'stable': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
+  'edge': docker-ce=5:19.03.9~3-0~ubuntu-{{ ansible_distribution_release|lower }}
 
 docker_cli_versioned_pkg:
   'latest': docker-ce-cli

roles/kubernetes-apps/ingress_controller/ingress_nginx/README.md

@@ -45,9 +45,9 @@ There are cloud provider specific yaml files.
 
 Kubernetes is available in Docker for Mac (from [version 18.06.0-ce](https://docs.docker.com/docker-for-mac/release-notes/#stable-releases-of-2018))
 
-[enable]: https://docs.docker.com/docker-for-mac/#kubernetes
+First you need to [enable kubernetes](https://docs.docker.com/docker-for-mac/#kubernetes).
 
-Create a service
+Then you have to create a service:
 
 ```console
 kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/cloud-generic.yaml
@@ -60,7 +60,6 @@ For standard usage:
 ```console
 minikube addons enable ingress
 ```
-
 For development:
 
 1. Disable the ingress addon: