Merge pull request #435 from edx/jarv/supervisor-vagrant-updates

creates supervisor config in main.yml and calls update to restart

playbooks/library/supervisorctl

@@ -184,6 +184,11 @@ def main():
 
         if '%s: started' % name in out:
             module.exit_json(changed=True, name=name, state=state)
+        elif '%s: ERROR (already started)' % name in out:
+            # addresses a race condition if update is called
+            # immediately before started and the service is set
+            # to start automatically
+            module.exit_json(changed=False, name=name, state=state)
 
         module.fail_json(msg=out)
 

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

@@ -10,13 +10,15 @@
 #
 #
 # Handlers for role analytics-server
-# 
+#
 # Overview:
-# 
+#
 #
 
 - name: analytics-server | stop the analytics service
   service: name=analytics state=stopped
+  tags: deploy
 
 - name: analytics-server | start the analytics service
   service: name=analytics state=started
+  tags: deploy

playbooks/roles/analytics/handlers/main.yml

@@ -10,13 +10,15 @@
 #
 #
 # Handlers for role analytics
-# 
+#
 # Overview:
-# 
+#
 #
 
 - name: analytics | stop the analytics service
   service: name=analytics state=stopped
+  tags: deploy
 
 - name: analytics | start the analytics service
   service: name=analytics state=started
+  tags: deploy

playbooks/roles/apache/handlers/main.yml

 ---
 - name: apache | restart apache
   service: name=apache2 state=restarted
+  tags: deploy

playbooks/roles/certs/handlers/main.yml

@@ -14,10 +14,11 @@
 # Overview:
 #
 
-- name: certs | restart the certs service
+- name: certs | restart certs
   supervisorctl: >
     name=certs
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
+  tags: deploy
 

playbooks/roles/certs/tasks/deploy.yml

 ---
 
-- name: certs | stop the certificates service
-  supervisorctl: >
-    name="certs"
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  tags: deploy
-
 - name: certs | create certificate application config
   template: >
     src=certs.env.json.j2
     dest={{ certs_app_dir }}/env.json
   sudo_user: "{{ certs_user }}"
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | create certificate auth file
@@ -20,25 +13,28 @@
     src=certs.auth.json.j2
     dest={{ certs_app_dir }}/auth.json
   sudo_user: "{{ certs_user }}"
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | writing supervisor script for certificates
   template: >
     src=certs.conf.j2 dest={{ supervisor_cfg_dir }}/certs.conf
-    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
-  notify: supervisor | reload supervisor
+    owner={{ supervisor_user }} mode=0644
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | create ssh script for git
   template: >
     src={{ certs_git_ssh|basename }}.j2 dest={{ certs_git_ssh }}
     owner={{ certs_user }} mode=750
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | install read-only ssh key for the certs repo
   copy: >
     src={{ CERTS_LOCAL_GIT_IDENTITY }} dest={{ certs_git_identity }}
     force=yes owner={{ certs_user }} mode=0600
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | checkout certificates repo into {{ certs_code_dir }}
@@ -46,21 +42,35 @@
   sudo_user: "{{ certs_user }}"
   environment:
     GIT_SSH: "{{ certs_git_ssh }}"
+  notify: certs | restart certs
   tags: deploy
 
 - name: certs | remove read-only ssh key for the certs repo
   file: path={{ certs_git_identity }} state=absent
+  notify: certs | restart certs
   tags: deploy
 
 - name : install python requirements
   pip: requirements="{{ certs_requirements_file }}" virtualenv="{{ certs_venv_dir }}" state=present
   sudo_user: "{{ certs_user }}"
+  notify: certs | restart certs
   tags: deploy
 
-- name: certs | restart the certificate service
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: certs | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  sudo_user: "{{ supervisor_service_user }}"
+  changed_when: supervisor_update.stdout != ""
+
+- name: certs | ensure certs has started
   supervisorctl: >
     name=certs
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
-  tags: deploy
+    state=started
+  sudo_user: "{{ supervisor_service_user }}"

playbooks/roles/certs/tasks/main.yml

@@ -41,6 +41,7 @@
     home="{{ certs_app_dir }}"
     createhome=no
     shell=/bin/false
+  notify: certs | restart certs
 
 - name: certs | create certs app and data dirs
   file: >
@@ -48,6 +49,7 @@
     state=directory
     owner="{{ certs_user }}"
     group="{{ common_web_group }}"
+  notify: certs | restart certs
   with_items:
     - "{{ certs_app_dir }}"
     - "{{ certs_venvs_dir }}"
@@ -57,12 +59,14 @@
     path="{{ certs_gpg_dir }}" state=directory
     owner="{{ certs_user }}" group="{{ certs_user }}"
     mode=0700
+  notify: certs | restart certs
 
 - name: certs | copy the private gpg signing key
   copy: >
     src={{ CERTS_LOCAL_PRIVATE_KEY }}
     dest={{ certs_app_dir }}/{{ CERTS_LOCAL_PRIVATE_KEY|basename }}
     owner={{ certs_user }} mode=0600
+  notify: certs | restart certs
   register: certs_gpg_key
 
 
@@ -71,6 +75,7 @@
     /usr/bin/gpg --homedir {{ certs_gpg_dir }} --import {{ certs_app_dir }}/{{ CERTS_LOCAL_PRIVATE_KEY|basename }}
   sudo_user: "{{ certs_user }}"
   when: certs_gpg_key.changed
+  notify: certs | restart certs
 
 - include: deploy.yml
 
@@ -79,6 +84,7 @@
     src="{{ certs_venv_bin }}/{{ item }}"
     dest={{ COMMON_BIN_DIR }}/{{ item }}.certs
     state=link
+  notify: certs | restart certs
   with_items:
   - python
   - pip

playbooks/roles/common/handlers/main.yml

@@ -2,3 +2,4 @@
 - name: common | restart rsyslogd
   service: name=rsyslog state=restarted
   sudo: True
+  tags: deploy

playbooks/roles/common/tasks/main.yml

@@ -21,7 +21,7 @@
     group=syslog mode=0755
 
 # Need to install python-pycurl to use Ansible's apt_repository module
-- name: jenkins_worker | Install python-pycurl
+- name: common | Install python-pycurl
   apt: pkg=python-pycurl state=present update_cache=yes
 
 # Ensure that we get a current version of Git

playbooks/roles/datadog/handlers/main.yml

 ---
 
 - name: datadog | restart the datadog service
-  service: name=datadog-agent state=restarted
\ No newline at end of file
+  service: name=datadog-agent state=restarted
+  tags: deploy

playbooks/roles/devpi/defaults/main.yml

@@ -6,7 +6,6 @@ devpi_log_dir: "{{ COMMON_LOG_DIR }}/devpi"
 devpi_venvs_dir: "{{ devpi_app_dir }}/venvs"
 devpi_venv_dir: "{{ devpi_venvs_dir }}/devpi"
 devpi_venv_bin: "{{ devpi_venv_dir }}/bin"
-devpi_supervisor_ctl: "{{ devpi_venv_bin }}/supervisorctl"
 devpi_pip_pkgs:
   - devpi-server
   - eventlet
@@ -20,7 +19,8 @@ devpi_supervisor_user: devpi.supervisor
 devpi_supervisor_app_dir: "{{ devpi_app_dir }}/supervisor"
 devpi_supervisor_cfg_dir: "{{ devpi_supervisor_app_dir }}/conf.d"
 devpi_supervisor_data_dir: "{{ devpi_data_dir }}/supervisor"
-devpi_supervisor_cfg: "{{ devpi_supervisor_app_dir }}/supervisor.conf"
+devpi_supervisor_cfg: "{{ devpi_supervisor_app_dir }}/supervisord.conf"
 devpi_supervisor_log_dir: "{{ devpi_log_dir }}/supervisor"
 devpi_supervisor_venv_dir: "{{ devpi_app_dir }}/venvs/supervisor"
 devpi_supervisor_venv_bin: "{{ devpi_supervisor_venv_dir }}/bin"
+devpi_supervisor_ctl: "{{ devpi_supervisor_venv_bin }}/supervisorctl"

playbooks/roles/devpi/handlers/main.yml

@@ -18,11 +18,4 @@
     config={{ devpi_supervisor_cfg }}
     name=devpi-server
   sudo_user: "{{ devpi_supervisor_user }}"
-
-- name: devpi | start devpi
-  supervisorctl: >
-    state=started
-    supervisorctl_path={{ devpi_supervisor_ctl }}
-    config={{ devpi_supervisor_cfg }}
-    name=devpi-server
-  sudo_user: "{{ devpi_supervisor_user }}"
+  tags: deploy

playbooks/roles/devpi/tasks/main.yml

@@ -34,6 +34,7 @@
   user: >
     name={{ devpi_user }}
     shell=/bin/false createhome=no
+  notify: devpi | restart devpi
 
 - name: devpi | create devpi application directories
   file: >
@@ -41,10 +42,10 @@
     state=directory
     owner={{ devpi_user }}
     group={{ devpi_supervisor_user }}
-  notify: supervisor | restart supervisor
   with_items:
   - "{{ devpi_app_dir }}"
   - "{{ devpi_venv_dir }}"
+  notify: devpi | restart devpi
 
 - name: devpi | create the devpi data directory, needs write access by the service user
   file: >
@@ -55,6 +56,7 @@
   with_items:
   - "{{ devpi_data_dir }}"
   - "{{ devpi_mirror_dir }}"
+  notify: devpi | restart devpi
 
 - name: devpi | install devpi pip pkgs
   pip: >
@@ -63,19 +65,20 @@
     virtualenv={{ devpi_venv_dir }}
   sudo_user: "{{ devpi_user }}"
   with_items: devpi_pip_pkgs
-  notify: supervisor | restart supervisor
+  notify: devpi | restart devpi
 
 - name: devpi | writing supervisor script
   template: >
     src=devpi.conf.j2 dest={{ devpi_supervisor_cfg_dir }}/devpi.conf
     owner={{ devpi_user }} group={{ devpi_user }} mode=0644
-  notify: supervisor | restart supervisor
+  notify: devpi | restart devpi
 
 - name: devpi | create a symlink for venv python, pip
   file: >
     src="{{ devpi_venv_bin }}/{{ item }}"
     dest={{ COMMON_BIN_DIR }}/{{ item }}.devpi
     state=link
+  notify: devpi | restart devpi
   with_items:
   - python
   - pip
@@ -92,7 +95,21 @@
     dest={{ COMMON_CFG_DIR }}/supervisord.conf.devpi
     state=link
 
-# flush queued up handlers so that devpi
-# is restarted since downstream roles
-# will need to use it
-- meta: flush_handlers
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: devpi | update devpi supervisor configuration
+  shell:  "{{ devpi_supervisor_ctl }} -c {{ devpi_supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: devpi | ensure devpi is started
+  supervisorctl: >
+    state=started
+    supervisorctl_path={{ devpi_supervisor_ctl }}
+    config={{ devpi_supervisor_cfg }}
+    name=devpi-server
+  sudo_user: "{{ devpi_supervisor_user }}"

playbooks/roles/discern/handlers/main.yml

@@ -5,10 +5,7 @@
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
-
-- name: discern | restart discern_celery
-  supervisorctl: >
-    name=discern_celery
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=restarted
+  with_items:
+  - discern
+  - discern_celery
+  tags: deploy

playbooks/roles/discern/tasks/deploy.yml

 ---
 
-
-- name: discern | See if supervisord config file `discern.conf` is installed
-  shell: "[ -f {{ supervisor_cfg_dir }}/discern.conf ] && echo 'Found' || echo ''"
-  register: discern_installed
-  tags:
-  - deploy
-
-- name: discern | See if supervisord `discern_celery.conf` is installed
-  shell: "[ -f {{ supervisor_cfg_dir }}/discern_celery.conf ] && echo 'Found' || echo ''"
-  register: discern_celery_installed
-  tags:
-  - deploy
-
-# Stop discern service.
-- name: discern | stop discern service
-  supervisorctl: >
-    name=discern
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  when: discern_installed.stdout == 'Found'
-  notify: discern | restart discern
-  tags:
-  - deploy
-
-- name: discern | stop discern_celery service
-  supervisorctl: >
-    name=discern_celery
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  when: discern_celery_installed.stdout == 'Found'
-  notify: discern | restart discern_celery
-  tags:
-  - deploy
-
 - name: discern | create supervisor scripts - discern, discern_celery
   template: >
     src={{ item }}.conf.j2 dest={{ supervisor_cfg_dir }}/{{ item }}.conf
-    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
+    owner={{ supervisor_user }} mode=0644
+  sudo_user: "{{ supervisor_user }}"
   with_items: ['discern', 'discern_celery']
-  tags:
-  - deploy
 
 #Upload config files for django (auth and env)
 - name: discern | create discern application config env.json file
   template: src=env.json.j2 dest={{ discern_app_dir }}/env.json
   sudo_user: "{{ discern_user }}"
   notify:
-    - discern | restart discern_celery
     - discern | restart discern
   tags:
     - deploy
@@ -58,7 +20,6 @@
   template: src=auth.json.j2 dest={{ discern_app_dir }}/auth.json
   sudo_user: "{{ discern_user }}"
   notify:
-    - discern | restart discern_celery
     - discern | restart discern
   tags:
     - deploy
@@ -67,7 +28,6 @@
   git: dest={{ discern_code_dir }} repo={{ discern_source_repo }} version={{ discern_branch }}
   sudo_user: "{{ discern_user }}"
   notify:
-    - discern | restart discern_celery
     - discern | restart discern
   tags:
     - deploy
@@ -76,7 +36,6 @@
   git: dest={{ discern_ease_code_dir}} repo={{ discern_ease_source_repo }} version={{ discern_ease_version }}
   sudo_user: "{{ discern_user }}"
   notify:
-    - discern | restart discern_celery
     - discern | restart discern
   tags:
     - deploy
@@ -85,6 +44,8 @@
 - name : install python pre-requirements for discern and ease
   pip: requirements={{item}} virtualenv={{ discern_venv_dir }} state=present
   sudo_user: "{{ discern_user }}"
+  notify:
+    - discern | restart discern
   with_items:
     - "{{ discern_pre_requirements_file }}"
     - "{{ discern_ease_pre_requirements_file }}"
@@ -94,6 +55,8 @@
 - name : install python requirements for discern and ease
   pip: requirements={{item}} virtualenv={{ discern_venv_dir }} state=present
   sudo_user: "{{ discern_user }}"
+  notify:
+    - discern | restart discern
   with_items:
     - "{{ discern_post_requirements_file }}"
     - "{{ discern_ease_post_requirements_file }}"
@@ -103,6 +66,8 @@
 - name: discern | install ease python package
   shell: >
     {{ discern_venv_dir }}/bin/activate; cd {{ discern_ease_code_dir }}; python setup.py install
+  notify:
+    - discern | restart discern
   tags:
     - deploy
 
@@ -111,6 +76,8 @@
   shell: >
     {{ discern_venv_dir }}/bin/python -m nltk.downloader -d {{ discern_nltk_data_dir }} all
   sudo_user: "{{ discern_user }}"
+  notify:
+    - discern | restart discern
   tags:
     - deploy
 
@@ -121,6 +88,8 @@
     {{ discern_venv_dir }}/bin/python {{discern_code_dir}}/manage.py {{item}} --noinput --settings={{discern_settings}} --pythonpath={{discern_code_dir}}
       chdir={{ discern_code_dir }}
   sudo_user: "{{ discern_user }}"
+  notify:
+    - discern | restart discern
   with_items:
     - syncdb
     - migrate
@@ -133,5 +102,31 @@
     {{ discern_venv_dir}}/bin/python {{discern_code_dir}}/manage.py update_index --settings={{discern_settings}} --pythonpath={{discern_code_dir}}
       chdir={{ discern_code_dir }}
   sudo_user: "{{ discern_user }}"
+  notify:
+    - discern | restart discern
   tags:
     - deploy
+
+
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: discern | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  sudo_user: "{{ supervisor_service_user }}"
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: discern | ensure discern, discern_celery has started
+  supervisorctl: >
+    name={{ item }}
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    state=started
+  with_items:
+  - discern
+  - discern_celery
+  tags: deploy

playbooks/roles/discern/tasks/main.yml

@@ -5,6 +5,8 @@
     home="{{ discern_app_dir }}"
     createhome=no
     shell=/bin/false
+  notify:
+    - discern | restart discern
 
 - name: discern | create discern app dirs owned by discern
   file: >
@@ -12,6 +14,8 @@
     state=directory
     owner="{{ discern_user }}"
     group="{{ common_web_group }}"
+  notify:
+    - discern | restart discern
   with_items:
     - "{{ discern_app_dir }}"
     - "{{ discern_venvs_dir }}"
@@ -21,35 +25,33 @@
     path="{{ discern_data_dir }}" state=directory
     owner="{{ common_web_user }}" group="{{ discern_user  }}"
     mode=0775
+  notify:
+    - discern | restart discern
 
 - name: discern | install debian packages that discern needs
   apt: pkg={{ item }} state=present
+  notify:
+    - discern | restart discern
   with_items: discern_debian_pkgs
 
 - name: discern | install debian packages for ease that discern needs
   apt: pkg={{ item }} state=present
+  notify:
+    - discern | restart discern
   with_items: discern_ease_debian_pkgs
 
-- name: discern | render celery service from template
-  template: >
-    src=celery.conf.j2 dest=/etc/init/celery.conf
-    owner=root group=root
-  notify: discern | restart discern_celery
-
-- name: discern | render discern service from template
-  template: >
-    src=discern.conf.j2 dest=/etc/init/discern.conf
-    owner=root group=root
-  notify: discern | restart discern
-
 - name: discern | copy sudoers file for discern
   copy: >
     src=sudoers-discern dest=/etc/sudoers.d/discern
     mode=0440 validate='visudo -cf %s' owner=root group=root
+  notify:
+    - discern | restart discern
 
 #Needed if using redis to prevent memory issues
 - name: discern | change memory commit settings -- needed for redis
   command: sysctl vm.overcommit_memory=1
+  notify:
+    - discern | restart discern
 
 - include: deploy.yml
 

playbooks/roles/edxapp/handlers/main.yml

 ---
-- name: edxapp | start edxapp
-  service: name=edxapp state=started
-  tags:
-  - lms
-  - lms-preview
-  - cms
-  - deploy
-
-- name: edxapp | stop edxapp
-  service: name=edxapp state=stopped
-  tags:
-  - lms
-  - lms-preview
-  - cms
-  - deploy
-
 - name: edxapp | restart edxapp
-  service: name=edxapp state=restarted
-  tags:
-  - lms
-  - lms-preview
-  - cms
-  - deploy
+  supervisorctl: >
+    state=restarted
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    name="edxapp:{{ item }}"
+  sudo_user: "{{ supervisor_service_user }}"
+  with_items: service_variants_enabled
+  tags: deploy
+
+- name: edxapp | restart edxapp_workers
+  supervisorctl: >
+    name="edxapp_worker:{{ item.service_variant }}_{{ item.queue }}_{{ item.concurrency }}"
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    state=restarted
+  when: celery_worker is defined
+  with_items: edxapp_workers
+  sudo_user: "{{ common_web_user }}"
+  tags: deploy

playbooks/roles/edxapp/tasks/deploy.yml

-# Stop all services.
-#
-#
-
-# TODO: the supervisor ansible module does not support
-# stopping and starting services by group.
-
 # Do A Checkout
 - name: edxapp | checkout edx-platform repo into {{edxapp_code_dir}}
   git: dest={{edxapp_code_dir}} repo={{edx_platform_repo}} version={{edx_platform_commit}}
   register: chkout
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 - name: edxapp | git clean after checking out edx-platform
   shell: cd {{edxapp_code_dir}} && git clean -xdf
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 - name: edxapp | checkout theme
   git: dest={{ edxapp_app_dir }}/themes/{{edxapp_theme_name}} repo={{edxapp_theme_source_repo}} version={{edxapp_theme_version}}
   when: edxapp_theme_name != ''
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags:
   - deploy
 
@@ -48,6 +50,9 @@
   command: |
     /bin/sed -i -e 's/github\.com/{{ COMMON_GIT_MIRROR }}/g' {{ " ".join(edxapp_all_req_files) }}
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 # Ruby plays that need to be run after platform updates.
@@ -58,6 +63,9 @@
       executable=/bin/bash
   environment: "{{ edxapp_environment }}"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 - name: edxapp | bundle install
@@ -67,6 +75,9 @@
       executable=/bin/bash
   sudo_user: "{{ edxapp_user }}"
   environment: "{{ edxapp_environment }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 # Node play that need to be run after platform updates.
@@ -74,6 +85,9 @@
   shell: npm install chdir={{ edxapp_code_dir }}
   sudo_user: "{{ edxapp_user }}"
   environment: "{{ edxapp_environment }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 
@@ -86,6 +100,9 @@
     extra_args="-i {{ edxapp_pypi_local_mirror }}"
   sudo_user: "{{ edxapp_user }}"
   environment: "{{ edxapp_environment }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   when: not inst.stat.exists or new.stat.md5 != inst.stat.md5
   tags: deploy
 
@@ -99,6 +116,9 @@
     chdir={{ edxapp_code_dir }}
   environment: "{{ edxapp_environment }}"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   when: not inst.stat.exists or new.stat.md5 != inst.stat.md5
   tags: deploy
 
@@ -111,6 +131,9 @@
     extra_args="-i {{ edxapp_pypi_local_mirror }}"
   sudo_user: "{{ edxapp_user }}"
   environment: "{{ edxapp_environment }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   when: not inst.stat.exists or new.stat.md5 != inst.stat.md5
   tags: deploy
 
@@ -125,6 +148,9 @@
   - "{{ github_requirements_file }}"
   - "{{ local_requirements_file }}"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 
@@ -141,11 +167,17 @@
   when: install_sandbox_reqs_into_regular_venv
   sudo_user: "{{ edxapp_user }}"
   when: not inst.stat.exists or new.stat.md5 != inst.stat.md5
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 - name: edxapp | compiling all py files in the edx-platform repo
   shell: "{{ edxapp_venv_bin }}/python -m compileall {{ edxapp_code_dir }}"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
   # alternative would be to give {{ common_web_user }} read access
@@ -154,11 +186,15 @@
 - name: edxapp | give other read permissions to the virtualenv
   command: chmod -R o+r "{{ edxapp_venv_dir }}"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags: deploy
 
 - name: edxapp | create checksum for installed requirements
   shell: cp /var/tmp/edxapp.req.new /var/tmp/edxapp.req.installed
   sudo_user: "{{ edxapp_user }}"
+  notify: "edxapp | restart edxapp"
   tags: deploy
 
 
@@ -170,6 +206,9 @@
   shell: sed -i -e 's/claimed_id = models.TextField(max_length=2047, unique=True/claimed_id = models.TextField(max_length=2047/' {{ edxapp_venv_dir }}/lib/python2.7/site-packages/django_openid_auth/models.py
   when: openid_workaround is defined
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags:
   - deploy
 
@@ -178,26 +217,35 @@
 # gather_assets and db migrations
 - include: service_variant_config.yml
 
-- name: edxapp | restart the edxapp services (supervisor)
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+
+- name: edxapp | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  sudo_user: "{{ supervisor_service_user }}"
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: edxapp | ensure edxapp has started
   supervisorctl: >
-    name="edxapp:{{ item }}"
+    state=started
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
-  when: celery_worker is not defined
+    name="edxapp:{{ item }}"
+  sudo_user: "{{ supervisor_service_user }}"
   with_items: service_variants_enabled
-  sudo_user: "{{ common_web_user }}"
-  tags:
-    - deploy
+  tags: deploy
 
-- name: edxapp | restart the celery worker services (supervisor)
+- name: edxapp | ensure edxapp_workers has started
   supervisorctl: >
     name="edxapp_worker:{{ item.service_variant }}_{{ item.queue }}_{{ item.concurrency }}"
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
+    state=started
   when: celery_worker is defined
   with_items: edxapp_workers
-  sudo_user: "{{ common_web_user }}"
-  tags:
-    - deploy
+  sudo_user: "{{ supervisor_service_user }}"
+  tags: deploy

playbooks/roles/edxapp/tasks/main.yml

@@ -6,16 +6,25 @@
 
 - name: edxapp | Install logrotate configuration for tracking file
   template: dest=/etc/logrotate.d/tracking.log src=edx_logrotate_tracking_log.j2 owner=root group=root mode=644
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
 
 - name: edxapp | create application user
   user: >
     name="{{ edxapp_user }}" home="{{ edxapp_app_dir }}"
     createhome=no shell=/bin/false
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
 
 - name: edxapp | create edxapp user dirs
   file: >
     path="{{ item }}" state=directory
     owner="{{ edxapp_user }}" group="{{ common_web_group }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   with_items:
     - "{{ edxapp_app_dir }}"
     - "{{ edxapp_data_dir }}"
@@ -27,20 +36,32 @@
   file: >
     path="{{ edxapp_log_dir }}" state=directory
     owner="{{ common_log_user }}" group="{{ common_log_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
 
 - name: edxapp | create web-writable edxapp data dirs
   file: >
     path="{{ item }}" state=directory
     owner="{{ common_web_user }}" group="{{ edxapp_user }}"
     mode="0775"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   with_items:
     - "{{ edxapp_course_data_dir }}"
     - "{{ edxapp_upload_dir }}"
 
 - name: edxapp | install system packages on which LMS and CMS rely
   apt: pkg={{','.join(edxapp_debian_pkgs)}} state=present
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
 
 - name: edxapp | create log directories for service variants
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   file: >
     path={{ edxapp_log_dir }}/{{ item }} state=directory
     owner={{ common_log_user }} group={{ common_log_user }}
@@ -48,6 +69,9 @@
   with_items: service_variants_enabled
 
 - name: edxapp | setup the edxapp env
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   template: >
     src=edxapp_env.j2 dest={{ edxapp_app_dir }}/edxapp_env
     owner={{ edxapp_user }}  group={{ common_web_user }}

playbooks/roles/edxapp/tasks/service_variant_config.yml

@@ -4,6 +4,9 @@
     dest={{ edxapp_app_dir }}/{{ item }}.env.json
   sudo_user: "{{ edxapp_user }}"
   with_items: service_variants_enabled
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags:
   - deploy
 
@@ -12,12 +15,14 @@
     src={{ item }}.auth.json.j2
     dest={{ edxapp_app_dir }}/{{ item }}.auth.json
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   with_items: service_variants_enabled
   tags:
   - deploy
 
-# write the supervisor script for {{ service_variant }}
-# for non-celery servers
+# write the supervisor scripts for the service variants
 
 - name: "writing {{ item }} supervisor script"
   template: >
@@ -25,7 +30,6 @@
     owner={{ supervisor_user }}
   with_items: service_variants_enabled
   when: celery_worker is not defined
-  notify: supervisor | reload supervisor
   sudo_user: "{{ supervisor_user }}"
   tags:
   - deploy
@@ -35,21 +39,10 @@
     src=edxapp.conf.j2 dest={{ supervisor_cfg_dir }}/edxapp.conf
     owner={{ supervisor_user }}
   when: celery_worker is not defined
-  notify: supervisor | reload supervisor
   sudo_user: "{{ supervisor_user }}"
   tags:
   - deploy
 
-- name: "edxapp | ensuring edxapp is activated in supervisor"
-  supervisorctl: >
-    name="edxapp"
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=present
-  when: celery_worker is not defined
-  tags:
-    - deploy
-
 # write the supervisor script for celery workers
 
 - name: edxapp | writing celery worker supervisor script
@@ -57,20 +50,10 @@
     src=workers.conf.j2 dest={{ supervisor_cfg_dir }}/workers.conf
     owner={{ supervisor_user }}
   when: celery_worker is defined
-  notify: supervisor | reload supervisor
   sudo_user: "{{ supervisor_user }}"
   tags:
   - deploy
 
-- name: edxapp | ensuring edxapp_worker is activated in supervisor
-  supervisorctl: >
-    name="edxapp_worker"
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=present
-  when: celery_worker is defined
-  tags:
-    - deploy
 
 # Gather assets using rake if possible
 
@@ -82,6 +65,9 @@
   sudo_user: "{{ edxapp_user }}"
   when: celery_worker is not defined
   with_items: service_variants_enabled
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   environment: "{{ edxapp_environment }}"
   tags:
   - deploy
@@ -91,14 +77,18 @@
   shell: SERVICE_VARIANT=lms {{ edxapp_venv_bin}}/django-admin.py syncdb --migrate --noinput --settings=lms.envs.aws --pythonpath={{ edxapp_code_dir }}
   when: migrate_db is defined and migrate_db|lower == "yes"
   sudo_user: "{{ edxapp_user }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   tags:
   - deploy
 
 - name: edxapp | db migrate
   shell: SERVICE_VARIANT=lms {{ edxapp_venv_bin }}/django-admin.py migrate --noinput --settings=lms.envs.aws --pythonpath={{ edxapp_code_dir }}
   when: migrate_only is defined and migrate_only|lower == "yes"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
   sudo_user: "{{ edxapp_user }}"
   tags:
   - deploy
-
-

playbooks/roles/forum/handlers/main.yml

@@ -5,3 +5,4 @@
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
+  tags: deploy

playbooks/roles/forum/tasks/deploy.yml

 ---
 
+- name: forum | create the supervisor config
+  template: >
+    src=forum.conf.j2 dest={{ supervisor_cfg_dir }}/forum.conf
+    owner={{ supervisor_user }}
+    mode=0644
+  sudo_user: "{{ supervisor_user }}"
+  register: forum_supervisor
+  tags: deploy
+
 - name: forum | create the supervisor wrapper
   template: >
     src={{ forum_supervisor_wrapper|basename }}.j2
     dest={{ forum_supervisor_wrapper }}
     mode=0755
   sudo_user: "{{ forum_user }}"
-  tags:
-  - deploy
+  notify: forum | restart the forum service
+  tags: deploy
 
 - name:  forum | git checkout forum repo into {{ forum_code_dir }}
   git: dest={{ forum_code_dir }} repo={{ forum_source_repo }} version={{ forum_version }}
   sudo_user: "{{ forum_user }}"
-  tags:
-  - deploy
+  notify: forum | restart the forum service
+  tags: deploy
 
 # TODO: This is done as the common_web_user
 # since the process owner needs write access
@@ -22,23 +31,24 @@
   shell: bundle install chdir={{ forum_code_dir }}
   sudo_user: "{{ common_web_user }}"
   environment: "{{ forum_environment }}"
-  tags:
-  - deploy
+  notify: forum | restart the forum service
+  tags: deploy
 
-- name: forum | create the supervisor config
-  template: >
-    src=forum.conf.j2 dest={{ supervisor_cfg_dir }}/forum.conf
-    owner={{ common_web_user }} group={{ supervisor_user }}
-    mode=0644
-  register: forum_supervisor
-  tags:
-  - deploy
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: forum | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
 
-- name: forum | restart the forum service
+- name: forum | ensure forum is started
   supervisorctl: >
     name=forum
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
-  tags:
-  - deploy
+    state=started
+  tags: deploy

playbooks/roles/forum/tasks/main.yml

@@ -26,11 +26,13 @@
     name="{{ forum_user }}" home="{{ forum_app_dir }}"
     createhome=no
     shell=/bin/false
+  notify: forum | restart the forum service
 
 - name: forum | create forum app dir
   file: >
     path="{{ forum_app_dir }}" state=directory
     owner="{{ forum_user }}" group="{{ common_web_group }}"
+  notify: forum | restart the forum service
 
 - name: forum | setup the forum env
   template: >
@@ -40,13 +42,6 @@
   notify:
     - forum | restart the forum service
 
-- name: forum | create the supervisor config
-  template: >
-    src=forum.conf.j2 dest={{ supervisor_cfg_dir }}/forum.conf
-    owner={{ common_web_user }} group={{ supervisor_user }}
-    mode=0644
-  register: forum_supervisor
-
 - include: deploy.yml
 - include: test.yml
 

playbooks/roles/mongo/handlers/main.yml

 ---
 - name: restart mongo
   service: name=mongodb state=restarted
+  tags: deploy
 

playbooks/roles/nginx/handlers/main.yml

 ---
 - name: nginx | restart nginx
   service: name=nginx state=restarted
+  tags: deploy
 
 - name: nginx | reload nginx
   service: name=nginx state=reloaded
+  tags: deploy

playbooks/roles/notifier/handlers/main.yml

@@ -6,6 +6,7 @@
     state=restarted
     config={{ supervisor_cfg }}
     supervisorctl_path={{ supervisor_ctl }}
+  tags: deploy
 
 - name: notifier | restart notifier-celery-workers
   supervisorctl: >
@@ -13,3 +14,4 @@
     state=restarted
     config={{ supervisor_cfg }}
     supervisorctl_path={{ supervisor_ctl }}
+  tags: deploy

playbooks/roles/ora/handlers/main.yml

@@ -5,6 +5,7 @@
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
+  tags: deploy
 
 - name: ora | restart ora_celery
   supervisorctl: >
@@ -12,3 +13,4 @@
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
+  tags: deploy

playbooks/roles/ora/tasks/deploy.yml

-
-- name: ora | See if supervisord config file `ora.conf` is installed
-  shell: "[ -f {{ supervisor_cfg_dir }}/ora.conf ] && echo 'Found' || echo ''"
-  register: ora_installed
-  tags:
-  - deploy
-
-- name: ora | See if supervisord `ora_celery.conf` is installed
-  shell: "[ -f {{ supervisor_cfg_dir }}/ora_celery.conf ] && echo 'Found' || echo ''"
-  register: ora_celery_installed
-  tags:
-  - deploy
-
-# Stop ora service.
-- name: ora | stop ora service
-  supervisorctl: >
-    name=ora
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  when: ora_installed.stdout == 'Found'
-  notify: ora | restart ora
-  tags:
-  - deploy
-
-- name: ora | stop ora_celery service
-  supervisorctl: >
-    name=ora_celery
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  when: ora_celery_installed.stdout == 'Found'
-  notify: ora | restart ora_celery
+- name: ora | create supervisor scripts - ora, ora_celery
+  template: >
+    src={{ item }}.conf.j2 dest={{ supervisor_cfg_dir }}/{{ item }}.conf
+    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
+  with_items: ['ora', 'ora_celery']
   tags:
   - deploy
 
@@ -48,24 +23,6 @@
   tags:
   - deploy
 
-- name: ora | create supervisor scripts - ora, ora_celery
-  template: >
-    src={{ item }}.conf.j2 dest={{ supervisor_cfg_dir }}/{{ item }}.conf
-    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
-  with_items: ['ora', 'ora_celery']
-  tags:
-  - deploy
-
-- name: ora | ensuring ora and ora_celery are activated in supervisor
-  supervisorctl: >
-    name="{{ item }}"
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=present
-  with_items: ['ora', 'ora_celery']
-  tags:
-    - deploy
-
 # Do A Checkout
 - name: ora | git checkout ora repo into {{ ora_app_dir }}
   git: dest={{ ora_code_dir }} repo={{ ora_source_repo }} version={{ ora_version }}
@@ -127,3 +84,31 @@
     - ora | restart ora_celery
   tags:
   - deploy
+
+
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: ora | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: ora | ensure ora is started
+  supervisorctl: >
+    name=ora
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    state=started
+  tags: deploy
+
+- name: ora | ensure ora_celery is started
+  supervisorctl: >
+    name=ora_celery
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    state=started
+  tags: deploy

playbooks/roles/ora/tasks/ease.yml

@@ -2,12 +2,18 @@
 - name: ora | git checkout ease repo into its base dir
   git: dest={{ora_ease_code_dir}} repo={{ora_ease_source_repo}} version={{ora_ease_version}}
   sudo_user: "{{ ora_user }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
 - name: ora | install ease system packages
   apt: pkg={{item}} state=present
   with_items: ora_ease_debian_pkgs
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
@@ -16,6 +22,9 @@
 - name: ora | install ease python pre-requirements
   pip: requirements="{{ora_ease_pre_requirements_file}}" virtualenv="{{ora_ease_venv_dir}}" state=present
   sudo_user: "{{ ora_user }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
@@ -23,6 +32,9 @@
 - name: ora | install ease python post-requirements
   pip: requirements="{{ora_ease_post_requirements_file}}" virtualenv="{{ora_ease_venv_dir}}" state=present
   sudo_user: "{{ ora_user }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
@@ -30,6 +42,9 @@
   shell: >
     . {{ ora_ease_venv_dir }}/bin/activate; cd {{ ora_ease_code_dir }}; python setup.py install
   sudo_user: "{{ ora_user }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
@@ -37,6 +52,9 @@
 - name: ora | check for the existence of nltk data taggers/maxent_treebank_pos_tagger/english.pickle
   shell: "[ -f {{ ora_nltk_data_dir }}/taggers/maxent_treebank_pos_tagger/english.pickle ] && echo 'Found' || echo ''"
   register: ora_nltk_data_installed
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy
 
@@ -45,5 +63,8 @@
   command: "{{ora_ease_venv_dir}}/bin/python -m nltk.downloader -d {{ ora_nltk_data_dir }} all"
   when: ora_nltk_data_installed.stdout  != "Found"
   sudo_user: "{{ common_web_user }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   tags:
   - deploy

playbooks/roles/ora/tasks/main.yml

@@ -7,11 +7,17 @@
   user: >
     name="{{ ora_user }}" home="{{ ora_app_dir }}"
     createhome=no shell=/bin/false
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
 
 - name: ora | create ora app dir
   file: >
     path="{{ item }}" state=directory
     owner="{{ ora_user }}" group="{{ common_web_group }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   with_items:
     - "{{ ora_venvs_dir }}"
     - "{{ ora_app_dir }}"
@@ -20,16 +26,25 @@
   file: >
     path="{{ item }}" state=directory
     owner="{{ common_web_user }}" group="{{ common_web_group }}"
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   with_items:
     - "{{ ora_data_dir }}"
     - "{{ ora_app_dir }}/ml_models"
 
 - name: ora | install debian packages that ora needs
   apt: pkg={{item}} state=present
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   with_items: ora_debian_pkgs
 
 - name: ora | install debian packages for ease that ora needs
   apt: pkg={{item}} state=present
+  notify:
+    - ora | restart ora
+    - ora | restart ora_celery
   with_items: ora_ease_debian_pkgs
 
 - include: deploy.yml
@@ -41,3 +56,5 @@
   with_items:
   - python
   - pip
+
+

playbooks/roles/supervisor/handlers/main.yml

-- name: supervisor | restart supervisor
-  service: >
-    name={{ supervisor_service }}
-    state=restarted
-
-- name: supervisor | reload supervisor
-  shell: "{{ supervisor_ctl }} -c {{ supervisor_cfg }} reload"

playbooks/roles/supervisor/tasks/main.yml

@@ -87,20 +87,17 @@
 - name: supervisor | install supervisor in its venv
   pip: name=supervisor virtualenv="{{supervisor_venv_dir}}" state=present
   sudo_user: "{{ supervisor_user }}"
-  notify: supervisor | restart supervisor
 
 - name: supervisor | create supervisor upstart job
   template: >
     src=supervisor-upstart.conf.j2 dest=/etc/init/{{ supervisor_service }}.conf
     owner=root group=root
-  notify: supervisor | restart supervisor
 
 - name: supervisor | create supervisor master config
   template: >
     src=supervisord.conf.j2 dest={{ supervisor_cfg }}
     owner={{ supervisor_user }} group={{ supervisor_service_user }}
     mode=0644
-  notify: supervisor | restart supervisor
 
 - name: supervisor | create a symlink for supervisortctl
   file: >
@@ -108,7 +105,6 @@
     dest={{ COMMON_BIN_DIR }}/{{ supervisor_ctl|basename }}
     state=link
   when: supervisor_service == "supervisor"
-  notify: supervisor | restart supervisor
 
 - name: supervisor | create a symlink for supervisor cfg
   file: >
@@ -119,9 +115,26 @@
   with_items:
   - "{{ supervisor_cfg }}"
   - "{{ supervisor_cfg_dir }}"
-  notify: supervisor | restart supervisor
 
 - name: supervisor | start supervisor
   service: >
     name={{supervisor_service}}
     state=started
+  register: start_supervisor
+
+  # calling update on supervisor too soon after it
+  # starts will result in an errror.
+- name: supervisor | wait for web port to be available
+  wait_for: port={{ supervisor_http_bind_port }} timeout=5
+  when: start_supervisor.changed
+
+  # call supervisorctl update every time, this reloads
+  # the supervisorctl config
+  #
+  # we don't use notifications for supervisor because
+  # they don't work well with parameterized roles.
+  # See https://github.com/ansible/ansible/issues/4853
+- name: supervisor | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""

playbooks/roles/xqueue/handlers/main.yml

-- name: xqueue | stop xqueue
-  supervisorctl: >
-    name=xqueue
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
-  tags:
-  - deploy
-
-- name: xqueue | start xqueue
-  supervisorctl: >
-    name=xqueue
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=started
-  tags:
-  - deploy
-
 - name: xqueue | restart xqueue
   supervisorctl: >
-    name=xqueue
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=restarted
-  tags:
-  - deploy
-
-- name: xqueue | restart xqueue consumer
-  supervisorctl: >
-    name=xqueue_consumer
+    name={{ item }}
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
     state=restarted
+  with_items:
+  - xqueue
+  - xqueue_consumer
+  tags: deploy

playbooks/roles/xqueue/tasks/deploy.yml

-- name: xqueue | stop xqueue consumer service
-  supervisorctl: >
-    name=xqueue_consumer
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=stopped
+- name: "xqueue | writing supervisor scripts - xqueue, xqueue consumer"
+  template: >
+    src={{ item }}.conf.j2 dest={{ supervisor_cfg_dir }}/{{ item }}.conf
+    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
+  with_items: ['xqueue', 'xqueue_consumer']
   tags:
   - deploy
 
+
 - name: xqueue | create xqueue application config
   template: src=xqueue.env.json.j2 dest={{ xqueue_app_dir }}/xqueue.env.json mode=0644
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
 - name: xqueue | create xqueue auth file
   template: src=xqueue.auth.json.j2 dest={{ xqueue_app_dir }}/xqueue.auth.json mode=0644
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
-- name: "xqueue | writing supervisor scripts - xqueue, xqueue consumer"
-  template: >
-    src={{ item }}.conf.j2 dest={{ supervisor_cfg_dir }}/{{ item }}.conf
-    owner={{ supervisor_user }} group={{ common_web_user }} mode=0644
-  with_items: ['xqueue', 'xqueue_consumer']
-  tags:
-  - deploy
-
-- name: xqueue | ensuring xqueue and xqueue_consumer are activated in supervisor
-  supervisorctl: >
-    name="{{ item }}"
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=present
-  with_items: ['xqueue', 'xqueue_consumer']
-  tags:
-    - deploy
-
 # Do A Checkout
 - name: xqueue | git checkout xqueue repo into xqueue_code_dir
   git: dest={{ xqueue_code_dir }} repo={{ xqueue_source_repo }} version={{ xqueue_version }}
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
@@ -49,6 +37,8 @@
 - name : install python pre-requirements
   pip: requirements="{{ xqueue_pre_requirements_file }}" virtualenv="{{ xqueue_venv_dir }}" state=present
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
@@ -56,6 +46,8 @@
 - name : install python post-requirements
   pip: requirements="{{ xqueue_post_requirements_file }}" virtualenv="{{ xqueue_venv_dir }}" state=present
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
@@ -64,6 +56,8 @@
     SERVICE_VARIANT=xqueue {{ xqueue_venv_bin }}/django-admin.py syncdb --migrate --noinput --settings=xqueue.aws_settings --pythonpath={{ xqueue_code_dir }}
   when: migrate_db is defined and migrate_db|lower == "yes"
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
@@ -71,23 +65,30 @@
   shell: >
     SERVICE_VARIANT=xqueue {{ xqueue_venv_bin }}/django-admin.py update_users --settings=xqueue.aws_settings --pythonpath={{ xqueue_code_dir }}
   sudo_user: "{{ xqueue_user }}"
+  notify:
+    - xqueue | restart xqueue
   tags:
   - deploy
 
-- name: xqueue | restart xqueue
-  supervisorctl: >
-    name=xqueue
-    supervisorctl_path={{ supervisor_ctl }}
-    config={{ supervisor_cfg }}
-    state=restarted
-  tags:
-  - deploy
 
-- name: xqueue | restart xqueue consumer
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: xqueue | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: xqueue | ensure xqueue, consumer is running
   supervisorctl: >
-    name=xqueue_consumer
+    name={{ item }}
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
-  tags:
-  - deploy
+    state=started
+  with_items:
+  - xqueue
+  - xqueue_consumer
+  tags: deploy

playbooks/roles/xqueue/tasks/main.yml

@@ -12,6 +12,8 @@
     home="{{ xqueue_app_dir }}"
     createhome=no
     shell=/bin/false
+  notify:
+    - xqueue | restart xqueue
 
 - name: xqueue | create xqueue app and venv dir
   file: >
@@ -19,6 +21,8 @@
     state=directory
     owner="{{ xqueue_user }}"
     group="{{ common_web_group }}"
+  notify:
+    - xqueue | restart xqueue
   with_items:
     - "{{ xqueue_app_dir }}"
     - "{{ xqueue_venvs_dir }}"
@@ -27,8 +31,6 @@
   apt: pkg={{','.join(xqueue_debian_pkgs)}} state=present
   notify:
   - xqueue | restart xqueue
-  - xqueue | restart xqueue consumer
-
 
 - name: xqueue | create xqueue db
   mysql_db: >
@@ -38,6 +40,8 @@
     login_password={{xqueue_auth_config.DATABASES.default.PASSWORD}}
     state=present
     encoding=utf8
+  notify:
+  - xqueue | restart xqueue
   when: xqueue_create_db is defined and xqueue_create_db|lower == "yes"
 
 - include: deploy.yml
@@ -50,3 +54,6 @@
   with_items:
   - python
   - pip
+
+
+

playbooks/roles/xserver/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 xserver
+#
+# Overview:
+#
+
+- name: xserver | restart xserver
+  supervisorctl: >
+    name=xserver
+    supervisorctl_path={{ supervisor_ctl }}
+    config={{ supervisor_cfg }}
+    state=restarted
+  tags: deploy
+

playbooks/roles/xserver/tasks/deploy.yml

-- name: xserver | checkout code
-  git: dest={{xserver_code_dir}} repo={{xserver_source_repo}} version={{xserver_version}}
-  sudo_user: "{{ xserver_user }}"
-  tags:
-  - deploy
-
 - name: "xserver | writing supervisor script"
   template: >
     src=xserver.conf.j2 dest={{ supervisor_cfg_dir }}/xserver.conf
@@ -11,21 +5,31 @@
   tags:
   - deploy
 
+- name: xserver | checkout code
+  git: dest={{xserver_code_dir}} repo={{xserver_source_repo}} version={{xserver_version}}
+  sudo_user: "{{ xserver_user }}"
+  notify: xserver | restart xserver
+  tags:
+  - deploy
+
 - name: xserver | install requirements
   pip: requirements="{{xserver_requirements_file}}" virtualenv="{{ xserver_venv_dir }}" state=present
   sudo_user: "{{ xserver_user }}"
+  notify: xserver | restart xserver
   tags:
   - deploy
 
 - name: xserver | install sandbox requirements
   pip: requirements="{{xserver_requirements_file}}" virtualenv="{{xserver_venv_sandbox_dir}}" state=present
   sudo_user: "{{ xserver_user }}"
+  notify: xserver | restart xserver
   tags:
   - deploy
 
 - name: xserver | create xserver application config
   template: src=xserver.env.json.j2 dest={{ xserver_app_dir }}/env.json
   sudo_user: "{{ xserver_user }}"
+  notify: xserver | restart xserver
   tags:
   - deploy
 
@@ -33,6 +37,7 @@
   copy: >
     src={{ XSERVER_LOCAL_GIT_IDENTITY }} dest={{ xserver_git_identity }}
     owner={{ xserver_user }} group={{ xserver_user }} mode=0600
+  notify: xserver | restart xserver
   tags:
   - deploy
 
@@ -40,6 +45,7 @@
   template: >
     src=git_ssh.sh.j2 dest=/tmp/git_ssh.sh
     owner={{ xserver_user }} mode=750
+  notify: xserver | restart xserver
   tags:
   - deploy
 
@@ -47,20 +53,33 @@
   git: dest={{ XSERVER_GRADER_DIR }} repo={{ XSERVER_GRADER_SOURCE }} version={{ xserver_grader_version }}
   environment:
     GIT_SSH: /tmp/git_ssh.sh
+  notify: xserver | restart xserver
   sudo_user: "{{ xserver_user }}"
   tags:
   - deploy
 
 - name: xserver | remove read-only ssh key for the content repo
   file: path={{ xserver_git_identity }} state=absent
+  notify: xserver | restart xserver
   tags:
   - deploy
 
-- name: xserver | restart xserver
+  # call supervisorctl update. this reloads
+  # the supervisorctl config and restarts
+  # the services if any of the configurations
+  # have changed.
+  #
+- name: xserver | update supervisor configuration
+  shell:  "{{ supervisor_ctl }} -c {{ supervisor_cfg }} update"
+  register: supervisor_update
+  changed_when: supervisor_update.stdout != ""
+  tags: deploy
+
+- name: xserver | ensure xserver is started
   supervisorctl: >
     name=xserver
     supervisorctl_path={{ supervisor_ctl }}
     config={{ supervisor_cfg }}
-    state=restarted
-  tags:
-  - deploy
+    state=started
+  tags: deploy
+

playbooks/vagrant-fullstack.yml

@@ -5,25 +5,29 @@
   vars:
     migrate_db: "yes"
     openid_workaround: True
+    EDXAPP_LMS_NGINX_PORT: '80'
+    edx_platform_commit: 'master'
   vars_files:
     - "group_vars/all"
   roles:
+    - gh_users
     - common
     - role: nginx
       nginx_sites:
-      - lms
       - cms
-      - lms-preview
-      - xserver
+      - lms
+      - ora
       - xqueue
     - edxlocal
     - supervisor
     - mongo
     - edxapp
+    - demo
     - { role: 'rabbitmq', rabbitmq_ip: '127.0.0.1' }
     - { role: 'edxapp', celery_worker: True }
     - oraclejdk
     - elasticsearch
     - forum
     - { role: "xqueue", update_users: True }
-    - xserver
+    - ora
+    - discern

vagrant/fullstack/Vagrantfile

@@ -18,7 +18,6 @@ Vagrant.configure("2") do |config|
     # point Vagrant at the location of your playbook you want to run
     ansible.playbook = "../../playbooks/vagrant-fullstack.yml"
     ansible.inventory_path = "../../playbooks/vagrant/inventory.ini"
-    ansible.extra_vars = { XSERVER_GRADER_CHECKOUT: 'False' }
     ansible.verbose = "extra"
   end
 end