Add posibility to configure salt logging params:

- LOG_FILE
  - LOG_LEVEL
  - LOG_LEVEL_LOGFILE

Change-Id: Ic8c0c3bb2a4a80ba0590ca79d8e491dd4f840897

README.rst

                 address: https://git.openstack.org/openstack/salt-formula-keystone
                 revision: refs/changes/56/123456/1
 
+Salt master logging configuration
+
+.. code-block:: yaml
+
+    salt:
+      master:
+        enabled: true
+        log:
+          level: warning
+          file: '/var/log/salt/master'
+          level_logfile: warning
+
+Salt minion logging configuration
+
+.. code-block:: yaml
+
+    salt:
+      minion:
+        enabled: true
+        log:
+          level: info
+          file: '/var/log/salt/minion'
+          level_logfile: warning
+
 Salt master with logging handlers
 
 .. code-block:: yaml

salt/files/master.conf

   {%- endif %}
 {%- endif %}
 
+{%- if master.log is defined %}
+
+{%- if master.log.level is defined %}
+log_level: {{ master.log.level }}
+{%- endif %}
+
+{%- if master.log.file is defined %}
+log_file: {{ master.log.file }}
+{%- endif %}
+
+{%- if master.log.level_logfile is defined %}
+log_level_logfile: {{ master.log.level_logfile }}
+{%- endif %}
+
+{%- endif %}
+
 {%- if pillar.salt.get('minion') %}
 {%- for handler in pillar.salt.minion.get("handlers", []) %}
 {%- if handler.engine == "udp"%}

salt/files/minion.conf

 
 {%- endif %}
 
-log_level: {{ minion.log.get('level', 'error') }}
-state_output: {{ minion.log.get('state_output', 'changes') }}
+{%- if minion.log is defined %}
+
+{%- if minion.log.level is defined %}
+log_level: {{ minion.log.level }}
+{%- endif %}
+
+{%- if minion.log.file is defined %}
+log_file: {{ minion.log.file }}
+{%- endif %}
+
+{%- if minion.log.level_logfile is defined %}
+log_level_logfile: {{ minion.log.level_logfile }}
+{%- endif %}
+
+{%- endif %}
+
+state_output: {{ minion.get('log', {}).get('state_output', 'changes') }}
 
 {%- if minion.get('proxy', {}).get('host', "") != "" %}
 proxy_host: {{ minion.proxy.host }}

tests/pillar/master_logging.sls

+git:
+  client:
+    enabled: true
+linux:
+  system:
+    enabled: true
+salt:
+  master:
+    command_timeout: 5
+    worker_threads: 2
+    enabled: true
+    source:
+      engine: pkg
+    pillar:
+      engine: salt
+      source:
+        engine: local
+    environment:
+      prd:
+        formula: {}
+    log:
+      level: warning
+      file: '/var/log/salt/master'
+      level_logfile: warning

tests/pillar/minion_logging.sls

+salt:
+  minion:
+    enabled: true
+    master:
+      host: config01.dc01.domain.com
+    log:
+      level: info
+      file: '/var/log/salt/minion'
+      level_logfile: warning