WIP: Add support for memory monitoring on Firebrick platform (#15021)

* Add support for Firebrick memory monitoring.

* Add mempool testing for Firebrick.

includes/definitions/discovery/firebrick.yaml

@@ -1,5 +1,11 @@
 mib: FIREBRICK-CPU-MIB:FIREBRICK-MONITORING:FIREBRICK-L2TP-MIB:FIREBRICK-VOIP-MIB
 modules:
+    mempools:
+        data:
+            -
+                free: FIREBRICK-GLOBAL::fbFreeMem
+                total: FIREBRICK-GLOBAL::fbTotalMem
+                index: 0
     os:
         sysDescr_regex: '/^(?<hardware>FB[0-9]{4}).*\((?<version>[^ ]+)/m'
     sensors:

mibs/firebrick/FIREBRICK-GLOBAL-MIB

@@ -0,0 +1,61 @@
+-- *------------------------------------------------
+-- * Firebrick System Global Info MIB
+-- *
+-- * Feb 2023, David Honour
+-- *
+-- * Copyright (c) 2023 by Andrews & Arnold
+-- *------------------------------------------------
+
+FIREBRICK-GLOBAL DEFINITIONS ::= BEGIN
+
+IMPORTS
+    MODULE-IDENTITY,
+    OBJECT-TYPE,
+    NOTIFICATION-TYPE,
+    Gauge32,
+    MODULE-COMPLIANCE,
+    OBJECT-GROUP,
+    NOTIFICATION-GROUP
+        FROM SNMPv2-CONF
+    TEXTUAL-CONVENTION,
+    enterprises
+        FROM RFC1155-SMI
+    DisplayString
+        FROM SNMPv2-TC
+    firebrickNewStyle
+        FROM FIREBRICK-MIB
+        ;
+
+fbGlobalMib MODULE-IDENTITY
+    LAST-UPDATED "202302170000Z"
+    ORGANIZATION "Andrews & Arnold Limited"
+    CONTACT-INFO
+        "Andrews & Arnold
+        Unit 1&2, Enterprise Court
+        Bracknell, Berkshire, RG12 1QS
+        United Kingdom
+
+        Tel: +44 3333 400 999
+        Email: support@aa.net.uk"
+    DESCRIPTION "System wide status"
+    REVISION "202302170000Z"
+    DESCRIPTION "Add memory usage"
+    ::= { firebrickNewStyle 4 }
+
+fbGlobalMemory OBJECT IDENTIFIER ::= { fbGlobalMib 1 }
+
+fbTotalMem OBJECT-TYPE
+    SYNTAX Gauge32
+    MAX-ACCESS read-only
+    STATUS current
+    DESCRIPTION "Total RAM (KiB)"
+    ::= { fbGlobalMemory 1 }
+
+fbFreeMem OBJECT-TYPE
+    SYNTAX Gauge32
+    MAX-ACCESS read-only
+    STATUS current
+    DESCRIPTION "Free RAM (KiB)"
+    ::= { fbGlobalMemory 2 }
+
+END

tests/data/firebrick_2900.json

@@ -2186,5 +2186,55 @@
             ]
         },
         "poller": "matches discovery"
+    },
+    "mempools": {
+        "discovery": {
+            "mempools": [
+                {
+                    "mempool_index": "0",
+                    "entPhysicalIndex": null,
+                    "mempool_type": "firebrick",
+                    "mempool_class": "system",
+                    "mempool_precision": 1,
+                    "mempool_descr": "Memory",
+                    "mempool_perc": 18,
+                    "mempool_perc_oid": null,
+                    "mempool_used": 95232,
+                    "mempool_used_oid": null,
+                    "mempool_free": 429056,
+                    "mempool_free_oid": ".1.3.6.1.4.1.24693.100.4.1.2.",
+                    "mempool_total": 524288,
+                    "mempool_total_oid": null,
+                    "mempool_largestfree": null,
+                    "mempool_lowestfree": null,
+                    "mempool_deleted": 0,
+                    "mempool_perc_warn": 90
+                }
+            ]
+        },
+        "poller": {
+            "mempools": [
+                {
+                    "mempool_index": "0",
+                    "entPhysicalIndex": null,
+                    "mempool_type": "firebrick",
+                    "mempool_class": "system",
+                    "mempool_precision": 1,
+                    "mempool_descr": "Memory",
+                    "mempool_perc": 0,
+                    "mempool_perc_oid": null,
+                    "mempool_used": 0,
+                    "mempool_used_oid": null,
+                    "mempool_free": 524288,
+                    "mempool_free_oid": ".1.3.6.1.4.1.24693.100.4.1.2.",
+                    "mempool_total": 524288,
+                    "mempool_total_oid": null,
+                    "mempool_largestfree": null,
+                    "mempool_lowestfree": null,
+                    "mempool_deleted": 0,
+                    "mempool_perc_warn": 90
+                }
+            ]
+        }
     }
 }

tests/data/firebrick_6000.json

@@ -1968,5 +1968,55 @@
                 }
             ]
         }
+    },
+    "mempools": {
+        "discovery": {
+            "mempools": [
+                {
+                    "mempool_index": "0",
+                    "entPhysicalIndex": null,
+                    "mempool_type": "firebrick",
+                    "mempool_class": "system",
+                    "mempool_precision": 1,
+                    "mempool_descr": "Memory",
+                    "mempool_perc": 15,
+                    "mempool_perc_oid": null,
+                    "mempool_used": 316416,
+                    "mempool_used_oid": null,
+                    "mempool_free": 1780736,
+                    "mempool_free_oid": ".1.3.6.1.4.1.24693.100.4.1.2.",
+                    "mempool_total": 2097152,
+                    "mempool_total_oid": null,
+                    "mempool_largestfree": null,
+                    "mempool_lowestfree": null,
+                    "mempool_deleted": 0,
+                    "mempool_perc_warn": 90
+                }
+            ]
+        },
+        "poller": {
+            "mempools": [
+                {
+                    "mempool_index": "0",
+                    "entPhysicalIndex": null,
+                    "mempool_type": "firebrick",
+                    "mempool_class": "system",
+                    "mempool_precision": 1,
+                    "mempool_descr": "Memory",
+                    "mempool_perc": 0,
+                    "mempool_perc_oid": null,
+                    "mempool_used": 0,
+                    "mempool_used_oid": null,
+                    "mempool_free": 2097152,
+                    "mempool_free_oid": ".1.3.6.1.4.1.24693.100.4.1.2.",
+                    "mempool_total": 2097152,
+                    "mempool_total_oid": null,
+                    "mempool_largestfree": null,
+                    "mempool_lowestfree": null,
+                    "mempool_deleted": 0,
+                    "mempool_perc_warn": 90
+                }
+            ]
+        }
     }
 }

tests/snmpsim/firebrick_2900.snmprec

@@ -298,11 +298,13 @@
 1.3.6.1.4.1.24693.100.1.1.1.4.6|2|11933
 1.3.6.1.4.1.24693.100.1.1.1.4.7|2|10515
 1.3.6.1.4.1.24693.100.1.1.1.4.8|2|35500
+1.3.6.1.4.1.24693.100.4.1.1|66|524288
+1.3.6.1.4.1.24693.100.4.1.2|66|429056
 1.3.6.1.4.1.24693.100.5060.1.0|2|3
 1.3.6.1.4.1.24693.100.5060.2.0|2|4
 1.3.6.1.4.1.24693.100.5060.3.1.1.0|4|Verizon
-1.3.6.1.4.1.24693.100.5060.3.1.2.0|2|7
-1.3.6.1.4.1.24693.100.5060.3.1.3.0|2|8
 1.3.6.1.4.1.24693.100.5060.3.1.1.1|4|T-Mobile
+1.3.6.1.4.1.24693.100.5060.3.1.2.0|2|7
 1.3.6.1.4.1.24693.100.5060.3.1.2.1|2|9
+1.3.6.1.4.1.24693.100.5060.3.1.3.0|2|8
 1.3.6.1.4.1.24693.100.5060.3.1.3.1|2|10

tests/snmpsim/firebrick_6000.snmprec

@@ -190,6 +190,8 @@
 1.3.6.1.4.1.24693.100.1.1.1.4.10|2|0
 1.3.6.1.4.1.24693.100.1.1.1.4.11|2|0
 1.3.6.1.4.1.24693.100.1.1.1.4.12|2|36750
+1.3.6.1.4.1.24693.100.4.1.1|66|2097152
+1.3.6.1.4.1.24693.100.4.1.2|66|1780736
 1.3.6.1.4.1.24693.100.179.1.1.1.1.4.10.2.3.4|2|1
 1.3.6.1.4.1.24693.100.179.1.1.1.1.4.10.2.3.5|2|1
 1.3.6.1.4.1.24693.100.179.1.1.1.2.16.253.1.8.176.0.0.0.251.0.0.0.0.0.0.0.1|2|2