Merge pull request #1681 from edx/benp/harprofiler

Operationalize harprofiler.

playbooks/roles/harprofiler/defaults/main.yml

+---
+#
+# edX Configuration
+#
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+
+harprofiler_role_name: harprofiler
+
+harprofiler_user: "harprofiler"
+harprofiler_github_url: https://github.com/cgoldberg/harprofiler
+harprofiler_version: 2958a910cc0c33967f7d7faf4519fa03271fdaf1
+harprofiler_dir: /edx/app/harprofiler
+harprofiler_venv_dir: "{{ harprofiler_dir }}/venvs/harprofiler"

playbooks/roles/harprofiler/meta/main.yml

+---
+dependencies:
+ - common
+ - browsers
+ - oraclejdk
+ - browsermob-proxy

playbooks/roles/harprofiler/tasks/main.yml

+---
+# Installs the harprofiler
+- name: create harprofiler user
+  user: >
+    name="{{ harprofiler_user }}"
+    createhome=no
+    home={{ harprofiler_dir }}
+    shell=/bin/bash
+
+- name: create harprofiler repo
+  file: >
+    path={{ harprofiler_dir }} state=directory
+    owner="{{ harprofiler_user }}" group="{{ common_web_group }}"
+    mode=0755
+
+- name: check out the harprofiler
+  git: >
+    dest={{ harprofiler_dir }}
+    repo={{ harprofiler_github_url }} version={{ harprofiler_version }}
+    accept_hostkey=yes
+  sudo_user: "{{ harprofiler_user }}"
+
+- name: set bashrc for harprofiler user
+  template: >
+    src=bashrc.j2 dest="{{ harprofiler_dir }}/.bashrc" owner="{{ harprofiler_user }}"
+    mode=0755
+
+- name: install requirements
+  pip: >
+    requirements="{{ harprofiler_dir }}/requirements.txt" virtualenv="{{ harprofiler_venv_dir }}"
+  sudo_user: "{{ harprofiler_user }}"
+
+- name: update config file
+# harprofiler ships with a default config file. Doing a line-replace for the default
+# configuration that does not match what this machine will have
+  lineinfile: >
+    dest={{ harprofiler_dir }}/config.yaml
+    regexp="browsermob_dir"
+    line="browsermob_dir: /usr/local"
+    state=present
+
+- name: verify harprofiler works
+  shell: >
+    python harprofiler.py
+    chdir="{{ harprofiler_dir }}"
+    executable=/bin/bash
+  sudo_user: "{{ harprofiler_user }}"

playbooks/roles/harprofiler/templates/bashrc.j2

+export DISPLAY=:1
+
+source {{ harprofiler_venv_dir }}/bin/activate