Move current node upgrade tasks under openshift_node_upgrade role

15 files changed, 523 insertions, 0 deletions

diff --git a/roles/openshift_node_upgrade/README.md b/roles/openshift_node_upgrade/README.md
new file mode 100644
index 000000000..e21bee412
--- /dev/null
+++ b/roles/openshift_node_upgrade/README.md
@@ -0,0 +1,108 @@
+OpenShift/Atomic Enterprise Node upgrade
+=========
+
+Role responsible for a single node upgrade.
+It is expected a node is functioning and a part of an OpenShift cluster.
+
+Requirements
+------------
+
+TODO
+
+Role Variables
+--------------
+From this role:
+
+| Name                           | Default value         |                                                        |
+|--------------------------------|-----------------------|--------------------------------------------------------|
+| deployment_type                |                       | Inventory var                                          |
+| docker_upgrade_nuke_images     |                       | Optional inventory var                                 |
+| docker_version                 |                       | Optional inventory var                                 |
+| l_docker_upgrade               |                       |                                                        |
+| node_config_hook               |                       |                                                        |
+| openshift.docker.gte_1_10      |                       |                                                        |
+| openshift_image_tag            |                       | Set by openshift_version role                          |
+| openshift_pkg_version          |                       | Set by openshift_version role                          |
+| openshift_release              |                       | Set by openshift_version role                          |
+| skip_docker_restart            |                       |                                                        |
+| openshift_cloudprovider_kind   |                       |                                                        |
+
+From openshift.common:
+
+| Name                               |  Default Value      |                     |
+|------------------------------------|---------------------|---------------------|
+| openshift.common.config_base       |---------------------|---------------------|
+| openshift.common.data_dir          |---------------------|---------------------|
+| openshift.common.hostname          |---------------------|---------------------|
+| openshift.common.http_proxy        |---------------------|---------------------|
+| openshift.common.is_atomic         |---------------------|---------------------|
+| openshift.common.is_containerized  |---------------------|---------------------|
+| openshift.common.portal_net        |---------------------|---------------------|
+| openshift.common.service_type      |---------------------|---------------------|
+| openshift.common.use_openshift_sdn |---------------------|---------------------|
+
+From openshift.master:
+
+| Name                               |  Default Value      |                     |
+|------------------------------------|---------------------|---------------------|
+| openshift.master.api_port          |---------------------|---------------------|
+
+From openshift.node:
+
+| Name                               |  Default Value      |                     |
+|------------------------------------|---------------------|---------------------|
+| openshift.node.debug_level         |---------------------|---------------------|
+| openshift.node.node_image          |---------------------|---------------------|
+| openshift.node.ovs_image           |---------------------|---------------------|
+
+
+Dependencies
+------------
+openshift_common
+
+TODO
+
+Example Playbook
+----------------
+
+Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
+
+```
+---
+- name: Upgrade nodes
+  hosts: oo_nodes_to_upgrade
+  serial: 1
+  any_errors_fatal: true
+
+  pre_tasks:
+  - name: Mark unschedulable
+    command: >
+      {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --schedulable=false
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+
+  - name: Drain Node for Kubelet upgrade
+    command: >
+      {{ hostvars[groups.oo_first_master.0].openshift.common.admin_binary }} drain {{ openshift.node.nodename | lower }} --force --delete-local-data
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+
+  roles:
+  - openshift_facts
+  - docker
+  - openshift_node_upgrade
+
+  post_tasks:
+  - name: Set node schedulability
+    command: >
+      {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --schedulable=true
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+```
+
+License
+-------
+
+Apache License, Version 2.0
+
+Author Information
+------------------
+
+TODO
diff --git a/roles/openshift_node_upgrade/files/nuke_images.sh b/roles/openshift_node_upgrade/files/nuke_images.sh
new file mode 100644
index 000000000..8635eab0d
--- /dev/null
+++ b/roles/openshift_node_upgrade/files/nuke_images.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Stop any running containers
+running_container_ids=`docker ps -q`
+if test -n "$running_container_ids"
+then
+    docker stop $running_container_ids
+fi
+
+# Delete all containers
+container_ids=`docker ps -a -q`
+if test -n "$container_ids"
+then
+    docker rm -f -v $container_ids
+fi
+
+# Delete all images (forcefully)
+image_ids=`docker images -aq`
+if test -n "$image_ids"
+then
+    # Some layers are deleted recursively and are no longer present
+    # when docker goes to remove them:
+    docker rmi -f `docker images -aq` || true
+fi
+
diff --git a/roles/openshift_node_upgrade/handlers/main.yml b/roles/openshift_node_upgrade/handlers/main.yml
new file mode 100644
index 000000000..cb51416d4
--- /dev/null
+++ b/roles/openshift_node_upgrade/handlers/main.yml
@@ -0,0 +1,14 @@
+---
+- name: restart openvswitch
+  systemd: name=openvswitch state=restarted
+  when: (not skip_node_svc_handlers | default(False) | bool) and not (ovs_service_status_changed | default(false) | bool) and openshift.common.use_openshift_sdn | bool
+  notify:
+  - restart openvswitch pause
+
+- name: restart openvswitch pause
+  pause: seconds=15
+  when: (not skip_node_svc_handlers | default(False) | bool) and openshift.common.is_containerized | bool
+
+- name: restart node
+  systemd: name={{ openshift.common.service_type }}-node state=restarted
+  when: (not skip_node_svc_handlers | default(False) | bool) and not (node_service_status_changed | default(false) | bool)
diff --git a/roles/openshift_node_upgrade/meta/main.yml b/roles/openshift_node_upgrade/meta/main.yml
new file mode 100644
index 000000000..dfbc3b9e2
--- /dev/null
+++ b/roles/openshift_node_upgrade/meta/main.yml
@@ -0,0 +1,12 @@
+galaxy_info:
+  author: your name
+  description: OpenShift Node upgrade
+  company: Red Hat, Inc.
+  license: Apache License, Version 2.0
+  min_ansible_version: 2.1
+  platforms:
+  - name: EL
+    versions:
+    - 7
+dependencies:
+  - role: openshift_common
diff --git a/roles/openshift_node_upgrade/tasks/containerized_node_upgrade.yml b/roles/openshift_node_upgrade/tasks/containerized_node_upgrade.yml
new file mode 100644
index 000000000..07b0ac715
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/containerized_node_upgrade.yml
@@ -0,0 +1,14 @@
+---
+# This is a hack to allow us to use systemd_units.yml, but skip the handlers which
+# restart services. We will unconditionally restart all containerized services
+# because we have to unconditionally restart Docker:
+- set_fact:
+    skip_node_svc_handlers: True
+
+- name: Update systemd units
+  include: systemd_units.yml
+
+# This is a no-op because of skip_node_svc_handlers, but lets us trigger it before end of
+# play when the node has already been marked schedulable again. (this would look strange
+# in logs otherwise)
+- meta: flush_handlers
diff --git a/roles/openshift_node_upgrade/tasks/docker/restart.yml b/roles/openshift_node_upgrade/tasks/docker/restart.yml
new file mode 100644
index 000000000..176fc3c0b
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/docker/restart.yml
@@ -0,0 +1,33 @@
+---
+# input variables:
+# - openshift.common.service_type
+# - openshift.common.is_containerized
+# - openshift.common.hostname
+# - openshift.master.api_port
+
+- name: Restart docker
+  service: name=docker state=restarted
+
+- name: Update docker facts
+  openshift_facts:
+    role: docker
+
+- name: Restart containerized services
+  service: name={{ item }} state=started
+  with_items:
+    - etcd_container
+    - openvswitch
+    - "{{ openshift.common.service_type }}-master"
+    - "{{ openshift.common.service_type }}-master-api"
+    - "{{ openshift.common.service_type }}-master-controllers"
+    - "{{ openshift.common.service_type }}-node"
+  failed_when: false
+  when: openshift.common.is_containerized | bool
+
+- name: Wait for master API to come back online
+  wait_for:
+    host: "{{ openshift.common.hostname }}"
+    state: started
+    delay: 10
+    port: "{{ openshift.master.api_port }}"
+  when: inventory_hostname in groups.oo_masters_to_config
diff --git a/roles/openshift_node_upgrade/tasks/docker/upgrade.yml b/roles/openshift_node_upgrade/tasks/docker/upgrade.yml
new file mode 100644
index 000000000..089c2aa87
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/docker/upgrade.yml
@@ -0,0 +1,49 @@
+---
+# input variables:
+# - openshift.common.service_type
+# - openshift.common.is_containerized
+# - docker_upgrade_nuke_images
+# - docker_version
+# - skip_docker_restart
+
+# We need docker service up to remove all the images, but these services will keep
+# trying to re-start and thus re-pull the images we're trying to delete.
+- name: Stop containerized services
+  service: name={{ item }} state=stopped
+  with_items:
+    - "{{ openshift.common.service_type }}-master"
+    - "{{ openshift.common.service_type }}-master-api"
+    - "{{ openshift.common.service_type }}-master-controllers"
+    - "{{ openshift.common.service_type }}-node"
+    - etcd_container
+    - openvswitch
+  failed_when: false
+  when: openshift.common.is_containerized | bool
+
+- name: Check Docker image count
+  shell: "docker images -aq | wc -l"
+  register: docker_image_count
+
+- debug: var=docker_image_count.stdout
+
+  # TODO(jchaloup): put all docker_upgrade_nuke_images into a block with only one condition
+- name: Remove all containers and images
+  script: nuke_images.sh
+  register: nuke_images_result
+  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool
+
+- name: Check Docker image count
+  shell: "docker images -aq | wc -l"
+  register: docker_image_count
+  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool
+
+- debug: var=docker_image_count.stdout
+  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool
+
+- service: name=docker state=stopped
+
+- name: Upgrade Docker
+  package: name=docker{{ '-' + docker_version }} state=present
+
+- include: restart.yml
+  when: not skip_docker_restart | default(False) | bool
diff --git a/roles/openshift_node_upgrade/tasks/main.yml b/roles/openshift_node_upgrade/tasks/main.yml
new file mode 100644
index 000000000..b1d5f0e0f
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/main.yml
@@ -0,0 +1,77 @@
+---
+# input variables:
+# - l_docker_upgrade
+# - openshift.common.is_atomic
+# - node_config_hook
+# - openshift_pkg_version
+# - openshift.common.is_containerized
+# - deployment_type
+# - openshift_release
+
+# tasks file for openshift_node_upgrade
+- include: docker/upgrade.yml
+  vars:
+    # We will restart Docker ourselves after everything is ready:
+    skip_docker_restart: True
+  when: l_docker_upgrade is defined and l_docker_upgrade | bool and not openshift.common.is_atomic | bool
+
+- include: "{{ node_config_hook }}"
+  when: node_config_hook is defined
+
+- include: rpm_upgrade.yml
+  vars:
+    component: "node"
+    openshift_version: "{{ openshift_pkg_version | default('') }}"
+  when: not openshift.common.is_containerized | bool
+
+- name: Remove obsolete docker-sdn-ovs.conf
+  file: path=/etc/systemd/system/docker.service.d/docker-sdn-ovs.conf state=absent
+  when: (deployment_type == 'openshift-enterprise' and openshift_release | version_compare('3.4', '>=')) or (deployment_type == 'origin' and openshift_release | version_compare('1.4', '>='))
+
+- include: containerized_node_upgrade.yml
+  when: openshift.common.is_containerized | bool
+
+- name: Ensure containerized services stopped before Docker restart
+  service: name={{ item }} state=stopped
+  with_items:
+  - etcd_container
+  - openvswitch
+  - "{{ openshift.common.service_type }}-master"
+  - "{{ openshift.common.service_type }}-master-api"
+  - "{{ openshift.common.service_type }}-master-controllers"
+  - "{{ openshift.common.service_type }}-node"
+  failed_when: false
+  when: openshift.common.is_containerized | bool
+
+- name: Upgrade openvswitch
+  package:
+    name: openvswitch
+    state: latest
+  register: ovs_pkg
+  when: not openshift.common.is_containerized | bool
+
+- name: Restart openvswitch
+  systemd:
+    name: openvswitch
+    state: restarted
+  when:
+  - not openshift.common.is_containerized | bool
+  - ovs_pkg | changed
+
+# Mandatory Docker restart, ensure all containerized services are running:
+- include: docker/restart.yml
+
+- name: Restart rpm node service
+  service: name="{{ openshift.common.service_type }}-node" state=restarted
+  when: not openshift.common.is_containerized | bool
+
+- name: Wait for node to be ready
+  command: >
+    {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} get node {{ openshift.common.hostname | lower }} --no-headers
+  register: node_output
+  delegate_to: "{{ groups.oo_first_master.0 }}"
+  until: "{{ node_output.stdout.split()[1].startswith('Ready')}}"
+  # Give the node two minutes to come back online. Note that we pre-pull images now
+  # so containerized services should restart quickly as well.
+  retries: 24
+  delay: 5
diff --git a/roles/openshift_node_upgrade/tasks/rpm_upgrade.yml b/roles/openshift_node_upgrade/tasks/rpm_upgrade.yml
new file mode 100644
index 000000000..480e87d58
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/rpm_upgrade.yml
@@ -0,0 +1,14 @@
+---
+# input variables:
+# - openshift.common.service_type
+# - component
+# - openshift_pkg_version
+# - openshift.common.is_atomic
+
+# We verified latest rpm available is suitable, so just yum update.
+- name: Upgrade packages
+  package: "name={{ openshift.common.service_type }}-{{ component }}{{ openshift_pkg_version }} state=present"
+
+- name: Ensure python-yaml present for config upgrade
+  package: name=PyYAML state=present
+  when: not openshift.common.is_atomic | bool
diff --git a/roles/openshift_node_upgrade/tasks/systemd_units.yml b/roles/openshift_node_upgrade/tasks/systemd_units.yml
new file mode 100644
index 000000000..862cd19c4
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/systemd_units.yml
@@ -0,0 +1,119 @@
+---
+# input variables
+# - openshift.node.node_image
+# - openshift_image_tag
+# - openshift.common.is_containerized
+# - openshift.node.ovs_image
+# - openshift.common.use_openshift_sdn
+# - openshift.common.service_type
+# - openshift.node.debug_level
+# - openshift.common.config_base
+# - openshift.common.http_proxy
+# - openshift.common.portal_net
+# - openshift.common
+# - openshift.common.http_proxy
+# notify:
+# - restart openvswitch
+# - restart node
+
+# This file is included both in the openshift_master role and in the upgrade
+# playbooks.
+
+- name: Pre-pull node image
+  command: >
+    docker pull {{ openshift.node.node_image }}:{{ openshift_image_tag }}
+  register: pull_result
+  changed_when: "'Downloaded newer image' in pull_result.stdout"
+  when: openshift.common.is_containerized | bool
+
+- name: Pre-pull openvswitch image
+  command: >
+    docker pull {{ openshift.node.ovs_image }}:{{ openshift_image_tag }}
+  register: pull_result
+  changed_when: "'Downloaded newer image' in pull_result.stdout"
+  when: openshift.common.is_containerized | bool and openshift.common.use_openshift_sdn | bool
+
+- name: Install Node dependencies docker service file
+  template:
+    dest: "/etc/systemd/system/{{ openshift.common.service_type }}-node-dep.service"
+    src: openshift.docker.node.dep.service
+  register: install_node_dep_result
+  when: openshift.common.is_containerized | bool
+
+- name: Install Node docker service file
+  template:
+    dest: "/etc/systemd/system/{{ openshift.common.service_type }}-node.service"
+    src: openshift.docker.node.service
+  register: install_node_result
+  when: openshift.common.is_containerized | bool
+
+- name: Create the openvswitch service env file
+  template:
+    src: openvswitch.sysconfig.j2
+    dest: /etc/sysconfig/openvswitch
+  when: openshift.common.is_containerized | bool
+  register: install_ovs_sysconfig
+  notify:
+  - restart openvswitch
+
+# May be a temporary workaround.
+# https://bugzilla.redhat.com/show_bug.cgi?id=1331590
+- name: Create OpenvSwitch service.d directory
+  file: path=/etc/systemd/system/openvswitch.service.d/ state=directory
+  when: openshift.common.use_openshift_sdn | default(true) | bool
+
+- name: Install OpenvSwitch service OOM fix
+  template:
+    dest: "/etc/systemd/system/openvswitch.service.d/01-avoid-oom.conf"
+    src: openvswitch-avoid-oom.conf
+  when: openshift.common.use_openshift_sdn | default(true) | bool
+  register: install_oom_fix_result
+  notify:
+  - restart openvswitch
+
+- name: Install OpenvSwitch docker service file
+  template:
+    dest: "/etc/systemd/system/openvswitch.service"
+    src: openvswitch.docker.service
+  when: openshift.common.is_containerized | bool and openshift.common.use_openshift_sdn | default(true) | bool
+  notify:
+  - restart openvswitch
+
+- name: Configure Node settings
+  lineinfile:
+    dest: /etc/sysconfig/{{ openshift.common.service_type }}-node
+    regexp: "{{ item.regex }}"
+    line: "{{ item.line }}"
+    create: true
+  with_items:
+  - regex: '^OPTIONS='
+    line: "OPTIONS=--loglevel={{ openshift.node.debug_level | default(2) }}"
+  - regex: '^CONFIG_FILE='
+    line: "CONFIG_FILE={{ openshift.common.config_base }}/node/node-config.yaml"
+  - regex: '^IMAGE_VERSION='
+    line: "IMAGE_VERSION={{ openshift_image_tag }}"
+  notify:
+  - restart node
+
+- name: Configure Proxy Settings
+  lineinfile:
+    dest: /etc/sysconfig/{{ openshift.common.service_type }}-node
+    regexp: "{{ item.regex }}"
+    line: "{{ item.line }}"
+    create: true
+  with_items:
+  - regex: '^HTTP_PROXY='
+    line: "HTTP_PROXY={{ openshift.common.http_proxy | default('') }}"
+  - regex: '^HTTPS_PROXY='
+    line: "HTTPS_PROXY={{ openshift.common.https_proxy | default('') }}"
+  - regex: '^NO_PROXY='
+    line: "NO_PROXY={{ openshift.common.no_proxy | default([]) }},{{ openshift.common.portal_net }},{{ hostvars[groups.oo_first_master.0].openshift.master.sdn_cluster_network_cidr }}"
+  when: ('http_proxy' in openshift.common and openshift.common.http_proxy != '')
+  notify:
+  - restart node
+
+- name: Reload systemd units
+  command: systemctl daemon-reload
+  when: (openshift.common.is_containerized | bool and (install_node_result | changed or install_ovs_sysconfig | changed or install_node_dep_result | changed)) or install_oom_fix_result | changed
+  notify:
+  - restart node
diff --git a/roles/openshift_node_upgrade/templates/openshift.docker.node.dep.service b/roles/openshift_node_upgrade/templates/openshift.docker.node.dep.service
new file mode 100644
index 000000000..0fb34cffd
--- /dev/null
+++ b/roles/openshift_node_upgrade/templates/openshift.docker.node.dep.service
@@ -0,0 +1,11 @@
+[Unit]
+Requires=docker.service
+After=docker.service
+PartOf={{ openshift.common.service_type }}-node.service
+Before={{ openshift.common.service_type }}-node.service
+
+
+[Service]
+ExecStart=/bin/bash -c "if [[ -f /usr/bin/docker-current ]]; then echo \"DOCKER_ADDTL_BIND_MOUNTS=--volume=/usr/bin/docker-current:/usr/bin/docker-current:ro --volume=/etc/sysconfig/docker:/etc/sysconfig/docker:ro\" > /etc/sysconfig/{{ openshift.common.service_type }}-node-dep; else echo \"#DOCKER_ADDTL_BIND_MOUNTS=\" > /etc/sysconfig/{{ openshift.common.service_type }}-node-dep; fi"
+ExecStop=
+SyslogIdentifier={{ openshift.common.service_type }}-node-dep
diff --git a/roles/openshift_node_upgrade/templates/openshift.docker.node.service b/roles/openshift_node_upgrade/templates/openshift.docker.node.service
new file mode 100644
index 000000000..e33d5d497
--- /dev/null
+++ b/roles/openshift_node_upgrade/templates/openshift.docker.node.service
@@ -0,0 +1,26 @@
+[Unit]
+After={{ openshift.common.service_type }}-master.service
+After=docker.service
+After=openvswitch.service
+PartOf=docker.service
+Requires=docker.service
+{% if openshift.common.use_openshift_sdn %}
+Requires=openvswitch.service
+{% endif %}
+Wants={{ openshift.common.service_type }}-master.service
+Requires={{ openshift.common.service_type }}-node-dep.service
+After={{ openshift.common.service_type }}-node-dep.service
+
+[Service]
+EnvironmentFile=/etc/sysconfig/{{ openshift.common.service_type }}-node
+EnvironmentFile=/etc/sysconfig/{{ openshift.common.service_type }}-node-dep
+ExecStartPre=-/usr/bin/docker rm -f {{ openshift.common.service_type }}-node
+ExecStart=/usr/bin/docker run --name {{ openshift.common.service_type }}-node --rm --privileged --net=host --pid=host --env-file=/etc/sysconfig/{{ openshift.common.service_type }}-node -v /:/rootfs:ro -e CONFIG_FILE=${CONFIG_FILE} -e OPTIONS=${OPTIONS} -e HOST=/rootfs -e HOST_ETC=/host-etc -v {{ openshift.common.data_dir }}:{{ openshift.common.data_dir }}{{ ':rslave' if openshift.docker.gte_1_10 | default(False) | bool else '' }} -v {{ openshift.common.config_base }}/node:{{ openshift.common.config_base }}/node {% if openshift_cloudprovider_kind | default('') != '' -%} -v {{ openshift.common.config_base }}/cloudprovider:{{ openshift.common.config_base}}/cloudprovider {% endif -%} -v /etc/localtime:/etc/localtime:ro -v /etc/machine-id:/etc/machine-id:ro -v /run:/run -v /sys:/sys:rw -v /sys/fs/cgroup:/sys/fs/cgroup:rw -v /usr/bin/docker:/usr/bin/docker:ro -v /var/lib/docker:/var/lib/docker -v /lib/modules:/lib/modules -v /etc/origin/openvswitch:/etc/openvswitch -v /etc/origin/sdn:/etc/openshift-sdn -v /etc/systemd/system:/host-etc/systemd/system -v /var/log:/var/log -v /dev:/dev $DOCKER_ADDTL_BIND_MOUNTS {{ openshift.node.node_image }}:${IMAGE_VERSION}
+ExecStartPost=/usr/bin/sleep 10
+ExecStop=/usr/bin/docker stop {{ openshift.common.service_type }}-node
+SyslogIdentifier={{ openshift.common.service_type }}-node
+Restart=always
+RestartSec=5s
+
+[Install]
+WantedBy=docker.service
diff --git a/roles/openshift_node_upgrade/templates/openvswitch-avoid-oom.conf b/roles/openshift_node_upgrade/templates/openvswitch-avoid-oom.conf
new file mode 100644
index 000000000..3229bc56b
--- /dev/null
+++ b/roles/openshift_node_upgrade/templates/openvswitch-avoid-oom.conf
@@ -0,0 +1,3 @@
+# Avoid the OOM killer for openvswitch and it's children:
+[Service]
+OOMScoreAdjust=-1000
diff --git a/roles/openshift_node_upgrade/templates/openvswitch.docker.service b/roles/openshift_node_upgrade/templates/openvswitch.docker.service
new file mode 100644
index 000000000..1e1f8967d
--- /dev/null
+++ b/roles/openshift_node_upgrade/templates/openvswitch.docker.service
@@ -0,0 +1,17 @@
+[Unit]
+After=docker.service
+Requires=docker.service
+PartOf=docker.service
+
+[Service]
+EnvironmentFile=/etc/sysconfig/openvswitch
+ExecStartPre=-/usr/bin/docker rm -f openvswitch
+ExecStart=/usr/bin/docker run --name openvswitch --rm --privileged --net=host --pid=host -v /lib/modules:/lib/modules -v /run:/run -v /sys:/sys:ro -v /etc/origin/openvswitch:/etc/openvswitch {{ openshift.node.ovs_image }}:${IMAGE_VERSION}
+ExecStartPost=/usr/bin/sleep 5
+ExecStop=/usr/bin/docker stop openvswitch
+SyslogIdentifier=openvswitch
+Restart=always
+RestartSec=5s
+
+[Install]
+WantedBy=docker.service
diff --git a/roles/openshift_node_upgrade/templates/openvswitch.sysconfig.j2 b/roles/openshift_node_upgrade/templates/openvswitch.sysconfig.j2
new file mode 100644
index 000000000..da7c3742a
--- /dev/null
+++ b/roles/openshift_node_upgrade/templates/openvswitch.sysconfig.j2
@@ -0,0 +1 @@
+IMAGE_VERSION={{ openshift_image_tag }}