adding analytics experiments role

playbooks/roles/analytics-experiments/files/git_ssh.sh

+#!/bin/sh
+exec /usr/bin/ssh -o StrictHostKeyChecking=no -i /etc/git-identity "$@"

playbooks/roles/analytics-experiments/handlers/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Handlers for role analytics-experiments
+# 
+# Overview:
+# 
+#
+
+- name: analytics-experiments | stop the analytics service
+  service: name=analytics state=stopped
+
+- name: analytics-experiments | restart the analytics service
+  service: name=analytics state=started

playbooks/roles/analytics-experiments/tasks/deploy.yml

+#
+# TODO: Needed while this repo is private
+#
+- name: analytics-experiments | upload ssh script
+  copy: 
+    src=git_ssh.sh dest=/tmp/git_ssh.sh 
+    force=yes owner=root group=adm mode=750
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+#
+# TODO: Needed while this repo is private
+#
+- name: analytics-experiments | install read-only ssh key required for checkout
+  copy: 
+    src={{ ax_git_identity_path }} dest=/etc/git-identity 
+    force=yes owner=ubuntu group=adm mode=60
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+- name: analytics-experiments | checkout code
+  git: 
+    dest={{ ax_code_dir }} repo={{ ax_source_repo }} 
+    version={{ ax_version }}
+  environment:
+    GIT_SSH: /tmp/git_ssh.sh
+    notify: analytics-experiments | restart the analytics service
+  tags:
+    - analytics-experiments
+    - deploy
+    - install
+    - update
+
+#
+# TODO: Needed while this repo is private
+#
+- name: analytics-experiments | update src permissions
+  file: 
+    path={{ ax_code_dir }} state=directory owner={{ ax_user }} 
+    group={{ ax_web_user }} mode=2750 recurse=yes
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+#
+# TODO: Needed while this repo is private
+#
+- name: analytics-experiments | remove read-only ssh key for the content repo
+  file: path=/etc/git-identity state=absent
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+#
+# TODO: Needed while this repo is private
+#
+- name: analytics-experiments | remove ssh script
+  file: path=/tmp/git_ssh.sh state=absent
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+- name: analytics-experiments | install application requirements
+  pip: 
+    requirements={{ ax_requirements_file }}
+    virtualenv={{ ax_venv_dir }} state=present
+  sudo: true  
+  sudo_user: "{{ ax_user }}"
+  tags:
+  - analytics-experiments
+  - deploy
+  - install
+  - update
+
+#- name: analytics-experiments | syncdb
+#  shell: >
+#    cd {{ ax_code_dir }} && {{ ax_venv_dir }}/bin/python manage.py syncdb
+#  sudo: true  
+#  sudo_user: "{{ ax_user }}"
+#  notify:
+#    - analytics-experiments | restart analytics-experiments
+#  tags:
+#  - analytics-experiments
+#  - deploy
+#  - install
+#  - update

playbooks/roles/analytics-experiments/tasks/main.yml

+---
+
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role analytics-experiments
+# 
+# Overview:
+# 
+#
+# Dependencies:
+#
+# 
+# Example play:
+#
+#
+
+- name: analytics-experiments | install system packages
+  apt: pkg={{','.join(ax_debian_pkgs)}} state=present
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | create analytics-experiments user {{ ax_user }}
+  user: 
+    name={{ ax_user }} state=present shell=/bin/bash 
+    home={{ ax_home }} createhome=yes
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | setup the analytics-experiments env
+  template: 
+    src=opt/wwc/analytics-experiments/{{ ax_env }}.j2
+    dest={{ ax_home }}/{{ ax_env }} 
+    owner="{{ ax_user }}" group="{{ ax_user }}"
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | drop a bash_profile
+  copy: >
+    src=../../common/files/bash_profile 
+    dest={{ ax_home }}/.bash_profile 
+    owner={{ ax_user }} 
+    group={{ ax_user }}
+
+
+- name: analytics-experiments | ensure .bashrc exists
+  shell: touch {{ ax_home }}/.bashrc
+  sudo: true  
+  sudo_user: "{{ ax_user }}"
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | add source of analytics-experiments_env to .bashrc
+  lineinfile:
+    dest={{ ax_home }}/.bashrc
+    regexp='. {{ ax_home }}/analytics-experiments_env'    
+    line='. {{ ax_home }}/analytics_experiments_env'
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | add source venv to .bashrc
+  lineinfile:
+    dest={{ ax_home }}/.bashrc
+    regexp='. {{ ax_venv_dir }}/bin/activate'    
+    line='. {{ ax_venv_dir }}/bin/activate'
+  tags:
+  - analytics-experiments
+  - install
+  - update
+
+- name: analytics-experiments | install global python requirements
+  pip: name={{ item }}
+  with_items: ax_pip_pkgs
+  tags:
+  - analytics-experiments
+  - install
+  - update
+  
+- name: analtyics-experiments | install service
+  template:
+    src=etc/init/analytics.conf.j2 dest=/etc/init/analytics.conf
+    owner=root group=root
+
+- include: deploy.yml    
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playbooks/roles/analytics-experiments/templates/etc/init/analytics.conf

+# gunicorn
+
+description "Analytics server under gunicorn"
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+respawn
+respawn limit 3 30
+
+env SERVICE_VARIANT={{ ax_service_variant }}
+env PID=/var/tmp/analytics.pid
+env WORKERS={{ ax_workers }}
+env PORT={{ ax_server_port }}
+env LANG={{ ax_env_lang }}
+env DJANGO_SETTINGS_MODULE={{ ax_django_settings }}
+
+chdir {{ ax_code_dir }}
+setuid {{ ax_web_user }}
+
+exec {{ ax_venv_dir }}/bin/gunicorn -b 0.0.0.0:$PORT -w $WORKERS --pythonpath={{ ax_code_dir }}/anserv anserv.wsgi

playbooks/roles/analytics-experiments/templates/etc/init/analytics.conf.j2

+# gunicorn
+
+description "Analytics server under gunicorn"
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+respawn
+respawn limit 3 30
+
+env SERVICE_VARIANT={{ ax_service_variant }}
+env PID=/var/tmp/analytics.pid
+env WORKERS={{ ax_workers }}
+env PORT={{ ax_server_port }}
+env LANG={{ ax_env_lang }}
+env DJANGO_SETTINGS_MODULE={{ ax_django_settings }}
+
+chdir {{ ax_code_dir }}
+setuid {{ ax_web_user }}
+
+exec {{ ax_venv_dir }}/bin/gunicorn -b 0.0.0.0:$PORT -w $WORKERS --pythonpath={{ ax_code_dir }}/anserv anserv.wsgi

playbooks/roles/analytics-experiments/templates/opt/wwc/analytics-experiments/analytics-experiments_env.j2

+# {{ ansible_managed }}
+
+{% for name,value in ax_env_vars.items() %}
+{% if value %}
+export {{ name }}="{{ value }}"
+{% endif %}		 
+{% endfor %}
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playbooks/roles/analytics-experiments/vars/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+# Vars for role analytics-experiments
+# vars are namespace with the module name.
+#
+ax_role_name: "analytics-experiments"
+ax_user: "analytics-experiments" 
+ax_home: "/opt/wwc/analytics-experiments"
+ax_venv_dir: "{{ ax_home }}/virtualenvs/analytics-experiments"
+ax_source_repo: "git@github.com:MITx/analytics-experiments.git"
+ax_code_dir: "{{ ax_home }}/src"
+ax_version: "e0d/requirements-update"
+ax_git_identity_path: "{{ secure_dir }}/files/git-identity"
+ax_requirements_file: "{{ ax_code_dir }}/requirements.txt"
+ax_log_level: "INFO"
+ax_rsyslog_enabled: "yes"
+ax_web_user: "www-data"
+ax_env: "analytics-experiments_env"
+ax_service_variant: 'analytics'
+ax_workers: '4'
+ax_server_port: '9000'
+ax_env_lang: 'en_US.UTF-8'
+ax_django_settings: 'anserv.settings'
+
+
+ax_env_vars:
+  ANALYTICS_EXPERIMENTS_LOG_LEVEL: "{{ ax_log_level }}"
+
+#
+# OS packages
+#
+
+ax_debian_pkgs:
+  - mongodb-clients
+  - zip
+
+ax_redhat_pkgs: []
+
+ax_pip_pkgs:
+  - git+https://github.com/s3tools/s3cmd.git#egg=s3cmd
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