Add support for fedora atomic host (#1779)

* don't try to install this rpm on fedora atomic

* add docker 1.13.1 for fedora

* built-in docker unit file is sufficient, as tested on both fedora and centos atomic

roles/docker/tasks/systemd.yml

@@ -24,13 +24,6 @@
   notify: restart docker
   when: not (ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] or is_atomic)
 
-- name: Write docker.service systemd file for atomic
-  template:
-    src: docker_atomic.service.j2
-    dest: /etc/systemd/system/docker.service
-  notify: restart docker
-  when: is_atomic
-
 - name: Write docker options systemd drop-in
   template:
     src: docker-options.conf.j2

roles/docker/templates/docker_atomic.service.j2

@@ -1,37 +0,0 @@
-[Unit]
-Description=Docker Application Container Engine
-Documentation=http://docs.docker.com
-After=network.target
-Wants=docker-storage-setup.service
-
-[Service]
-Type=notify
-NotifyAccess=all
-EnvironmentFile=-/etc/sysconfig/docker
-EnvironmentFile=-/etc/sysconfig/docker-storage
-Environment=GOTRACEBACK=crash
-Environment=DOCKER_HTTP_HOST_COMPAT=1
-Environment=PATH=/usr/libexec/docker:/usr/bin:/usr/sbin
-ExecReload=/bin/kill -s HUP $MAINPID
-Delegate=yes
-KillMode=process
-ExecStart=/usr/bin/dockerd-current \
-          --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current \
-          --default-runtime=docker-runc \
-          --exec-opt native.cgroupdriver=systemd \
-          --userland-proxy-path=/usr/libexec/docker/docker-proxy-current \
-          $DOCKER_OPTS \
-          $DOCKER_STORAGE_OPTIONS \
-          $DOCKER_NETWORK_OPTIONS \
-          $DOCKER_DNS_OPTIONS \
-          $ADD_REGISTRY \
-          $BLOCK_REGISTRY \
-          $INSECURE_REGISTRY
-LimitNOFILE=1048576
-LimitNPROC=1048576
-LimitCORE=infinity
-TimeoutStartSec=1min
-Restart=on-abnormal
-
-[Install]
-WantedBy=multi-user.target

roles/docker/vars/fedora.yml

@@ -9,6 +9,7 @@ docker_versioned_pkg:
   'latest': docker
   '1.11': docker-1:1.11.2
   '1.12': docker-1:1.12.5
+  '1.13': docker-1.13.1
   'stable': docker-ce
   'edge': docker-ce-edge
 

roles/kubernetes/preinstall/tasks/main.yml

@@ -133,6 +133,7 @@
   when:
     - ansible_distribution == "Fedora"
     - ansible_distribution_major_version > 21
+    - not is_atomic
   changed_when: False
   tags:
     - bootstrap-os