Create mappings for System Indicator LED

Add mappings and constants for the Indicator LED
value in the System class.

Change-Id: I5ecad5d81a6ca1487fab2002d2bc8b57736ab4ef

releasenotes/notes/indicator-led-mappings-e7b34da03f6abb06.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds mappings and constants for possible values of the Indicator LED
+    value in the System class.

sushy/resources/system/constants.py

@@ -44,6 +44,20 @@ SYSTEM_POWER_STATE_POWERING_OFF = 'powering off'
 """A temporary state between On and Off. The power off action can take
    time while the OS is in the shutdown process"""
 
+# Indicator LED Constants
+
+SYSTEM_INDICATOR_LED_LIT = 'Lit'
+"""The Indicator LED is lit"""
+
+SYSTEM_INDICATOR_LED_BLINKING = 'Blinking'
+"""The Indicator LED is blinking"""
+
+SYSTEM_INDICATOR_LED_OFF = 'Off'
+"""The Indicator LED is off"""
+
+SYSTEM_INDICATOR_LED_UNKNOWN = 'Unknown'
+"""The state of the Indicator LED cannot be determine"""
+
 # Boot source target constants
 
 BOOT_SOURCE_TARGET_NONE = 'none'

sushy/resources/system/mappings.py

@@ -39,6 +39,13 @@ SYSTEM_POWER_STATE_MAP = {
 
 SYSTEM_POWER_STATE_MAP_REV = utils.revert_dictionary(SYSTEM_POWER_STATE_MAP)
 
+SYSTEM_INDICATOR_LED_MAP = {
+    'Lit': sys_cons.SYSTEM_INDICATOR_LED_LIT,
+    'Blinking': sys_cons.SYSTEM_INDICATOR_LED_BLINKING,
+    'Off': sys_cons.SYSTEM_INDICATOR_LED_OFF,
+    'Unknown': sys_cons.SYSTEM_INDICATOR_LED_UNKNOWN,
+}
+
 BOOT_SOURCE_TARGET_MAP = {
     'None': sys_cons.BOOT_SOURCE_TARGET_NONE,
     'Pxe': sys_cons.BOOT_SOURCE_TARGET_PXE,

sushy/resources/system/system.py

@@ -88,8 +88,8 @@ class System(base.ResourceBase):
     identity = base.Field('Id', required=True)
     """The system identity string"""
 
-    # TODO(lucasagomes): Create mappings for the indicator_led
-    indicator_led = base.Field('IndicatorLED')
+    indicator_led = base.MappedField('IndicatorLED',
+                                     sys_maps.SYSTEM_INDICATOR_LED_MAP)
     """Whether the indicator LED is lit or off"""
 
     manufacturer = base.Field('Manufacturer')

sushy/tests/unit/resources/system/test_system.py

@@ -47,7 +47,8 @@ class SystemTestCase(base.TestCase):
         self.assertEqual('Web Front End node', self.sys_inst.description)
         self.assertEqual('web483', self.sys_inst.hostname)
         self.assertEqual('437XR1138R2', self.sys_inst.identity)
-        self.assertEqual('Off', self.sys_inst.indicator_led)
+        self.assertEqual(sushy.SYSTEM_INDICATOR_LED_OFF,
+                         self.sys_inst.indicator_led)
         self.assertEqual('Contoso', self.sys_inst.manufacturer)
         self.assertEqual('WebFrontEnd483', self.sys_inst.name)
         self.assertEqual('224071-J23', self.sys_inst.part_number)