WIP: Add role to auto install docker on hosts

Auto install docker with dependencies on hosts:
apt install python
apt install python-pip
pip install docker-py
apt install docker.io
Set docker proxy using host proxy settings.
Updated documentation.

Change-Id: Ibec7e0a7e484d5a9a8656cd3598c3acc7c2e2184
Signed-off-by: Kamil Wiatrowski <kamilx.wiatrowski@intel.com>

5 files changed, 196 insertions, 0 deletions

diff --git a/docker/ansible/roles/install_docker/tasks/centos.yml b/docker/ansible/roles/install_docker/tasks/centos.yml
new file mode 100644
index 00000000..b84d98f2
--- /dev/null
+++ b/docker/ansible/roles/install_docker/tasks/centos.yml
@@ -0,0 +1,45 @@
+#Copyright 2018 OPNFV and Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+- name: install dependencies for docker
+  package:
+     name: "{{ packages }}"
+     state: present
+  vars:
+     packages:
+        - python
+        - yum-utils
+        - device-mapper-persistent-data
+        - lvm2
+
+- name: set up docker repository
+  command: "yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo"
+
+- name: install docker-py
+  package:
+     name: python-docker-py
+     state: present
+
+- name: install docker
+  package:
+     name: docker-ce
+     state: present
+
+- name: start docker daemon
+  systemd:
+     name: docker
+     daemon_reload: true
+     state: started
+     enabled: true
diff --git a/docker/ansible/roles/install_docker/tasks/main.yml b/docker/ansible/roles/install_docker/tasks/main.yml
new file mode 100644
index 00000000..7e015bbc
--- /dev/null
+++ b/docker/ansible/roles/install_docker/tasks/main.yml
@@ -0,0 +1,31 @@
+#Copyright 2018 OPNFV and Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+- name: proxy configuration for docker
+  tags:
+     - install_docker
+  import_tasks: proxy.yml
+
+- name: install docker for ubuntu
+  tags:
+     - install_docker
+  import_tasks: ubuntu.yml
+  when: ansible_distribution == "Ubuntu"
+
+- name: install docker for centos
+  tags:
+     - install_docker
+  import_tasks: centos.yml
+  when: ansible_distribution == "CentOS"
diff --git a/docker/ansible/roles/install_docker/tasks/proxy.yml b/docker/ansible/roles/install_docker/tasks/proxy.yml
new file mode 100644
index 00000000..397bed4c
--- /dev/null
+++ b/docker/ansible/roles/install_docker/tasks/proxy.yml
@@ -0,0 +1,55 @@
+#Copyright 2018 OPNFV and Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+- name: create docker proxy configuration file
+  tags:
+     - add_docker_proxy
+  lineinfile:
+     path: "{{ docker_proxy_conf }}"
+     line: "[Service]"
+     create: yes
+
+- name: add docker http_proxy
+  tags:
+     - add_docker_proxy
+  lineinfile:
+     path: "{{ docker_proxy_conf }}"
+     line: "Environment=\"HTTP_PROXY={{ ansible_env.http_proxy }}\""
+  when: ansible_env.http_proxy is defined
+
+- name: add docker https_proxy
+  tags:
+     - add_docker_proxy
+  lineinfile:
+     path: "{{ docker_proxy_conf }}"
+     line: "Environment=\"HTTPS_PROXY={{ ansible_env.https_proxy }}\""
+  when: ansible_env.https_proxy is defined
+
+- name: add docker ftp_proxy
+  tags:
+     - add_docker_proxy
+  lineinfile:
+     path: "{{ docker_proxy_conf }}"
+     line: "Environment=\"FTP_PROXY={{ ansible_env.ftp_proxy }}\""
+  when: ansible_env.ftp_proxy is defined
+
+- name: add docker no_proxy
+  tags:
+     - add_docker_proxy
+  lineinfile:
+     path: "{{ docker_proxy_conf }}"
+     line: "Environment=\"NO_PROXY={{ ansible_env.no_proxy }}\""
+  when: ansible_env.no_proxy is defined
+
diff --git a/docker/ansible/roles/install_docker/tasks/ubuntu.yml b/docker/ansible/roles/install_docker/tasks/ubuntu.yml
new file mode 100644
index 00000000..44156873
--- /dev/null
+++ b/docker/ansible/roles/install_docker/tasks/ubuntu.yml
@@ -0,0 +1,47 @@
+#Copyright 2018 OPNFV and Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+- name: update package manager cache
+  tags:
+     - cache_update
+  package:
+     update_cache: yes
+
+- name: install python
+  package:
+     name: python
+     state: present
+
+- name: install python-pip
+  package:
+     name: python-pip
+     state: present
+
+- name: install docker-py
+  pip:
+     name: docker-py
+     state: present
+
+- name: install docker
+  package:
+     name: docker.io
+     state: present
+
+- name: start docker daemon
+  systemd:
+     name: docker
+     daemon_reload: true
+     state: started
+     enabled: true
diff --git a/docker/ansible/roles/install_docker/vars/main.yml b/docker/ansible/roles/install_docker/vars/main.yml
new file mode 100644
index 00000000..0673a63a
--- /dev/null
+++ b/docker/ansible/roles/install_docker/vars/main.yml
@@ -0,0 +1,18 @@
+#Copyright 2018 OPNFV and Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+#docker proxy configuration file
+docker_proxy_conf: "/etc/systemd/system/docker.service.d/proxy.conf"
+