Add role for veda_ffmpeg

CHANGELOG.md

+- Role: veda_ffmpeg
+  - New role added to compile ffmpeg for video pipeline. It will be used as a dependency for video pipeline roles.
+
 - Role: edxapp
   - Added `EDXAPP_BRANCH_IO_KEY` to configure branch.io journey app banners.
 

playbooks/roles/veda_ffmpeg/defaults/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Defaults for veda_ffmpeg role
+#
+
+VEDA_FFMPEG_GIT_URL: 'https://github.com/yro/v_videocompile'
+# used /opt path to clone the repo and then install ffmpeg using the cloned repo
+veda_ffmpeg_root: '/opt/veda_ffmpeg'
+VEDA_FFMPEG_VERSION: 'master'
+

playbooks/roles/veda_ffmpeg/meta/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+# Dependencies for veda_ffmpeg role
+#
+
+# Allow this role to be duplicated in dependencies.
+allow_duplicates: yes

playbooks/roles/veda_ffmpeg/tasks/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+# Tasks for veda_ffmpeg role
+#
+
+- name: checkout v_videocompile
+  git:
+    repo: "{{ VEDA_FFMPEG_GIT_URL }}"
+    dest: "{{ veda_ffmpeg_root }}"
+    version: "{{ VEDA_FFMPEG_VERSION }}"
+  tags:
+    - install
+    - install:code
+
+- name: install v_videocompile
+  command: "python setup.py install"
+  args:
+    chdir: "{{ veda_ffmpeg_root }}"
+  tags:
+    - install
+    - install:code
+
+- name: compile v_videocompile
+  command: "v_videocompile"
+  tags:
+    - install
+    - install:system-requirements