Add http-fileserver role

Role will allow to easily serve static content over http.
python simple http server wrapped into systemd unit

Change-Id: I7726b973ad77ab3a58819ff48033a74095ed3ea0

roles/http-fileserver/defaults/main.yml

@@ -0,0 +1,3 @@
+http_fileserver_serve_dir: /srv/http-server
+http_fileserver_serve_port: 8099
+http_server_action: install

roles/http-fileserver/handlers/main.yml

@@ -0,0 +1,11 @@
+- name: reload systemd configuration
+  become: yes
+  systemd:
+    daemon_reload: yes
+
+- name: http file server restarted
+  service:
+    name: simple-http-{{ http_fileserver_name | default('default') }}.service
+    state: restarted
+    enabled: true
+  become: true

roles/http-fileserver/tasks/install.yml

@@ -0,0 +1,33 @@
+- name: install simplehttpserver package
+  apt:
+    name:
+      - python3
+    state: present
+  become: true
+
+- name: set http server systemd unit content
+  set_fact:
+    http_fileserver_unit_content: |
+      [Unit]
+      Description=Simple http server
+      After=syslog.target
+
+      [Service]
+      Type=simple
+      ExecStart=/usr/bin/python3 -m http.server {{ http_fileserver_serve_port }}
+      StandardOutput=syslog
+      StandardError=syslog
+      WorkingDirectory={{ http_fileserver_serve_dir }}
+
+      [Install]
+      WantedBy=multi-user.target
+
+- name: Create systemd unit
+  copy:
+    content: "{{ http_fileserver_unit_content }}"
+    dest: /etc/systemd/system/simple-http-{{ http_fileserver_name | default('default') }}.service
+  notify:
+    - reload systemd configuration
+    - http file server restarted
+  become: true
+

roles/http-fileserver/tasks/main.yml

@@ -0,0 +1 @@
+- include_tasks: "{{ http_server_action }}.yml"

roles/http-fileserver/tasks/remove.yml

@@ -0,0 +1,6 @@
+- name: ensure http service is stopped
+  service:
+    name: simple-http-{{ http_fileserver_name | default('default') }}.service
+    state: stopped
+    enabled: false
+  become: true

roles/http-fileserver/tests/main.yml

@@ -0,0 +1,30 @@
+- name: Include test variables.
+  include_vars:
+    file: vars.yml
+
+- name: ensure serve directory exists
+  file:
+    path: "{{ http_fileserver_serve_dir }}"
+    state: directory
+    mode: "0755"
+  become: true
+
+- name: install http-fileserver
+  include_role:
+    name: http-fileserver
+
+- name: trigger all saved handlers
+  meta: flush_handlers
+
+- name: copy test file to serve directory
+  become: true
+  copy:
+    content: "{{ http_file_server_test_file_content }}"
+    dest: "{{ http_fileserver_serve_dir }}/{{ http_fileserver_test_file_name }}"
+  register: file_copy_command
+
+- name: download test file
+  get_url:
+    url: "http://localhost:{{ http_fileserver_serve_port }}/{{ http_fileserver_test_file_name }}"
+    dest: "/tmp/{{ http_fileserver_test_file_name }}"
+    checksum: "sha1:{{ file_copy_command.checksum }}"

roles/http-fileserver/tests/vars.yml

@@ -0,0 +1,4 @@
+http_fileserver_serve_dir: /srv/test-dir
+http_fileserver_serve_port: 8095
+http_file_server_test_file_content: "something to test"
+http_fileserver_test_file_name: "test-file"

tests/ansible/role-test-runner.yml

@@ -10,6 +10,7 @@
         - libvirt-domain
         - redfish-emulator
         - airship-libvirt-gate
+        - http-fileserver
     - name: run tests against defined roles
       include_tasks: "../../roles/{{ role_name }}/tests/main.yml"
       with_items: "{{ test_subject_roles | default(test_subject_roles_default) }}"

zuul.d/jobs.yaml

@@ -15,6 +15,14 @@
     run: tests/ansible/lint.yml
     nodeset: ubuntu-single-airship
 
+- job:
+    name: zuul-airship-roles-fileserver
+    run: tests/ansible/role-test-runner.yml
+    vars:
+      test_subject_roles:
+        - http-fileserver
+    nodeset: ubuntu-single-airship
+
 - job:
     name: zuul-airship-roles-test-libvirt
     run: tests/ansible/role-test-runner.yml

zuul.d/project.yaml

@@ -4,8 +4,10 @@
         - ansible-lint-airship
         - zuul-airship-roles-test-libvirt
         - zuul-airship-roles-test-airship-gate
+        - zuul-airship-roles-fileserver
     gate:
       jobs:
         - ansible-lint-airship
         - zuul-airship-roles-test-libvirt
         - zuul-airship-roles-test-airship-gate
+        - zuul-airship-roles-fileserver