Support IPMI encryption key parameter in ipmi_boot (#3702)

* Support IPMI encryption key parameter in ipmi_boot

* Support py2 on hex parsing, error handling

Change parsing hex string to support python2 and add error handling to it based on feedback.

* Don't explicitly set required to false

* Add version_added to key arg

* Add changelog fragment

* Add IPMI encryption key arg to ipmi_power

* Fix the formatting of changelog fragment

plugins/modules/remote_management/ipmi/ipmi_boot.py

@@ -35,6 +35,12 @@ options:
       - Password to connect to the BMC.
     required: true
     type: str
+  key:
+    description:
+      - Encryption key to connect to the BMC in hex format.
+    required: false
+    type: str
+    version_added: 4.1.0
   bootdev:
     description:
       - Set boot device to use on next reboot
@@ -115,11 +121,13 @@ EXAMPLES = '''
     name: test.testdomain.com
     user: admin
     password: password
+    key: 1234567890AABBCCDEFF000000EEEE12
     bootdev: network
     state: absent
 '''
 
 import traceback
+import binascii
 
 PYGHMI_IMP_ERR = None
 try:
@@ -138,6 +146,7 @@ def main():
             port=dict(default=623, type='int'),
             user=dict(required=True, no_log=True),
             password=dict(required=True, no_log=True),
+            key=dict(type='str', no_log=True),
             state=dict(default='present', choices=['present', 'absent']),
             bootdev=dict(required=True, choices=['network', 'hd', 'floppy', 'safe', 'optical', 'setup', 'default']),
             persistent=dict(default=False, type='bool'),
@@ -162,10 +171,18 @@ def main():
     if state == 'absent' and bootdev == 'default':
         module.fail_json(msg="The bootdev 'default' cannot be used with state 'absent'.")
 
+    try:
+        if module.params['key']:
+            key = binascii.unhexlify(module.params['key'])
+        else:
+            key = None
+    except Exception as e:
+        module.fail_json(msg="Unable to convert 'key' from hex string.")
+
     # --- run command ---
     try:
         ipmi_cmd = command.Command(
-            bmc=name, userid=user, password=password, port=port
+            bmc=name, userid=user, password=password, port=port, kg=key
         )
         module.debug('ipmi instantiated - name: "%s"' % name)
         current = ipmi_cmd.get_bootdev()