some images added

README.md

@@ -3,3 +3,10 @@
 Just an example for a special agent in CheckMK.
 Provides an agent which is highly customizable and does not depend on any remote data source or system.
 Covers various aspects of agent development within CheckMK.
+
+Some screenshots:
+
+![Services Overview](images/services-overview.png)
+![Services Detail "Overall Info"](images/service-detail-overall-info.png)
+![Service Detail "Storage"](images/service-detail-storage.png)
+![Service Detail "User"](images/service-detail-user.png)

local/share/check_mk/agents/special/agent_hal9001

@@ -56,7 +56,7 @@ opt_password = ""
 base_usage = float(65536 * 8)   # 0.5 MByte
 max_quota = 1073741824.0        # 1 GByte
 
-# these dicts are used as starting points, fell free to extend and/or adjust them
+# these dicts are used as starting points, feel free to extend and/or adjust them
 # each user/storage results in an additional service
 users_dict = {
     "user1": {

local/share/check_mk/web/plugins/wato/hal9001_params.py

@@ -6,37 +6,58 @@ from cmk.gui.plugins.wato import (
 )
 
 from cmk.gui.valuespec import (
-    Dictionary,
+    Age,
-    ListChoice,
+    Alternative,
+    CascadingDropdown,
     Checkbox,
-    TextAscii,
+    Dictionary,
+    DictionaryElements,
+    DropdownChoice,
+    FixedValue,
+    Float,
+    HostAddress,
+    Hostname,
+    HTTPUrl,
+    ID,
+    Integer,
+    ListChoice,
+    ListOf,
+    ListOfStrings,
+    MonitoringState,
+    NetworkPort,
     Password,
+    RegExp,
+    TextAscii,
+    TextInput,
+    Transform,
+    Tuple,
 )
 
 from cmk.gui.plugins.wato import (
     HostRulespec,
+    IndividualOrStoredPassword,
 )
 from cmk.gui.plugins.wato.datasource_programs import RulespecGroupDatasourceProgramsCustom
-#import cmk.gui.watolib as watolib
 
 def _params_special_agent_hal9001():
     return Dictionary(
         title=_("Login parameters for HAL9001 systems"),
         help = _("HAL9001: Dedicated to Arthur C. Clarke"),
         elements=[
-            ("username", TextAscii(title=_("Username"), 
+            ("username", TextAscii(
+                title=_("Username"), 
                 allow_empty=False, 
                 help=_("Username with administrative rights, mandatory"))),
-            ("password", Password(title=_("Password"), 
+            ("password", Password(
+                title=_("Password"), 
                 allow_empty=False, 
-                help=_("Specify password of this user"))),
+                help=_("Specify password of this user, mandatory"))),
         ],
         optional_keys=[],
     )
 
 rulespec_registry.register(
     HostRulespec(
-        #factory_default=watolib.Rulespec.FACTORY_DEFAULT_UNUSED,
         group=RulespecGroupDatasourceProgramsCustom,
         name="special_agents:hal9001",
         valuespec=_params_special_agent_hal9001,