Reactor system, documentation fixes

Change-Id: Ic64656c6fc3d4f561226d884b8bfb535dd537e14

README.rst

 
-====
-Salt
-====
+============
+Salt Formula
+============
 
-Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds.
+Salt is a new approach to infrastructure management. Easy enough to get
+running in minutes, scalable enough to manage tens of thousands of servers,
+and fast enough to communicate with them in seconds.
 
-Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more.
+Salt delivers a dynamic communication bus for infrastructures that can be used
+for orchestration, remote execution, configuration management and much more.
+
+
+Sample Metadata
+===============
 
-Sample pillars
-==============
 
 Salt master
 -----------
 
-Salt master with base production environment and pillar tree as metadata backend
+Salt master with base formulas and pillar metadata backend
 
 .. literalinclude:: tests/pillar/master_single_pillar.sls
    :language: yaml
 
-Salt master with reclass ENC as metadata backend
+Salt master with reclass ENC metadata backend
 
 .. literalinclude:: tests/pillar/master_single_reclass.sls
    :language: yaml
         minions:
         - name: 'node1.system.location.domain.com'
 
-Salt master with alternative installation source and version (optional) - pip
+Salt master with pip based installation (optional)
 
 .. code-block:: yaml
 
           engine: pip
           version: 2016.3.0rc2
 
-Salt master with specified formula to install through apt-get
+Install formula through system package management
 
 .. code-block:: yaml
 
                 address: https://git.openstack.org/openstack/salt-formula-keystone
                 revision: refs/changes/56/123456/1
 
-Salt syndic: Master of masters
-
-.. code-block:: yaml
-
-    salt:
-      master:
-        enabled: true
-        order_masters: True
-
-Salt syndic: Lower master
-
-.. code-block:: yaml
-
-    salt:
-      syndic:
-        enabled: true
-        master:
-          host: master-of-master-host
-        timeout: 5
-
-Salt syndic: Lower master with multi-master of masters
-
-.. code-block:: yaml
-
-    salt:
-      syndic:
-        enabled: true
-        masters:
-        - host: master-of-master-host1
-        - host: master-of-master-host2
-        timeout: 5
-
-
-Salt master with custom handlers
+Salt master with logging handlers
 
 .. code-block:: yaml
 
               host: 127.0.0.1
               port: 9999
 
-Salt master peer for remote certificate sign.
+Salt master peer setup for remote certificate signing
 
 .. code-block:: yaml
 
       master:
         state_output: changes
 
-Salt proxy
-----------
+Salt Reactor system configuration
+
+.. code-block:: yaml
+
+    salt:
+      master:
+        reactor:
+          salt/minion/*/start:
+          - salt://reactor/minion-started.sls
+
+
+Salt syndic
+-----------
+
+The master of masters
+
+.. code-block:: yaml
+
+    salt:
+      master:
+        enabled: true
+        order_masters: True
+
+Lower syndicated master
+
+.. code-block:: yaml
+
+    salt:
+      syndic:
+        enabled: true
+        master:
+          host: master-of-master-host
+        timeout: 5
+
+Syndicated master with multiple master of masters
+
+.. code-block:: yaml
+
+    salt:
+      syndic:
+        enabled: true
+        masters:
+        - host: master-of-master-host1
+        - host: master-of-master-host2
+        timeout: 5
+
+
+Salt-minion proxy
+-----------------
 
 Salt proxy pillar
 
 .. literalinclude:: tests/pillar/minion_graph.sls
    :language: yaml
 
-Salt minion behind http proxy
+Salt minion behind HTTP proxy
 
 .. code-block:: yaml
 
           host: 127.0.0.1
           port: 3128
 
-PKI CA
-~~~~~~
-
-Salt minion with PKI CA
+Salt minion with PKI certificate authority (CA)
 
 .. literalinclude:: tests/pillar/minion_pki_ca.sls
    :language: yaml
 
-Salt minion with PKI certificate
+Salt minion using PKI certificate
 
 .. literalinclude:: tests/pillar/minion_pki_cert.sls
    :language: yaml
     export LIBCLOUD_DEBUG=/dev/stderr; salt-cloud --list-sizes provider_name --log-level all
 
 
-Read more
-=========
+More Information
+================
 
 * http://salt.readthedocs.org/en/latest/
 * https://github.com/DanielBryan/salt-state-graph

salt/files/_reactor.conf

+{% from "salt/map.jinja" import master with context %}
+
+reactor:
+{%- for event, reactors in master.reactor.items() %}
+- {{ event }}:
+  {%- for reactor in reactors %}
+  - {{ reactor }}
+  {%- endfor %}
+{%- endfor %}

salt/master/init.sls

 include:
 - salt.master.service
+{%- if pillar.salt.master.reactor is defined %}
+- salt.master.reactor
+{%- endif %}
 - salt.master.env
 - salt.master.pillar
 - salt.master.minion

salt/master/reactor.sls

+{%- from "salt/map.jinja" import master with context %}
+{%- if master.enabled %}
+
+include:
+- salt.master.service
+
+/etc/salt/master.d/_reactor.conf:
+  file.managed:
+  - source: salt://salt/files/_reactor.conf
+  - user: root
+  - template: jinja
+  - require:
+    - {{ master.install_state }}
+  - watch_in:
+    - service: salt_master_service
+
+{%- endif %}

tests/pillar/master_acl.sls

 salt:
   master:
     command_timeout: 5
-    worker_threads: 2
+    worker_threads: 3
     enabled: true
     source:
       engine: pkg