Add net-snmp IP-MIB (#679)

To walk https://oidref.com/1.3.6.1.2.1.4.20 This can be useful when walking IP address of interfaces Signed-off-by: Yuwei B <[email protected]>
prometheus · Sep 3, 2023 · 850e8f1 · 850e8f1
1 parent 2514f7c
commit 850e8f1
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Showing 3 changed files with 44 additions and 1 deletion.
diff --git a/generator/Makefile b/generator/Makefile
@@ -219,6 +219,7 @@ $(MIBDIR)/.net-snmp:
 	@curl $(CURL_OPTS) -o $(MIBDIR)/HCNUM-TC $(NET_SNMP_URL)/HCNUM-TC.txt
 	@curl $(CURL_OPTS) -o $(MIBDIR)/HOST-RESOURCES-MIB $(NET_SNMP_URL)/HOST-RESOURCES-MIB.txt
 	@curl $(CURL_OPTS) -o $(MIBDIR)/IF-MIB $(NET_SNMP_URL)/IF-MIB.txt
+	@curl $(CURL_OPTS) -o $(MIBDIR)/IP-MIB $(NET_SNMP_URL)/IP-MIB.txt
 	@curl $(CURL_OPTS) -o $(MIBDIR)/INET-ADDRESS-MIB $(NET_SNMP_URL)/INET-ADDRESS-MIB.txt
 	@curl $(CURL_OPTS) -o $(MIBDIR)/IPV6-TC $(NET_SNMP_URL)/IPV6-TC.txt
 	@curl $(CURL_OPTS) -o $(MIBDIR)/NET-SNMP-MIB $(NET_SNMP_URL)/NET-SNMP-MIB.txt

diff --git a/generator/generator.yml b/generator/generator.yml
@@ -27,7 +27,10 @@ modules:
         ignore: true # Lookup metric
       ifType:
         type: EnumAsInfo
-
+  # Default IP-MIB with ipv4InterfaceTable for example.
+  ip_mib:
+    walk: [ipv4InterfaceTable]
+
 # Cisco Wireless LAN Controller
   cisco_wlc:
     walk:

diff --git a/snmp.yml b/snmp.yml
@@ -7774,6 +7774,45 @@ modules:
           regex: ^(?:(\d*?)(\d{2}))$
         - value: 0.0$1
           regex: ^(?:^(\d))$
+  ip_mib:
+    walk:
+    - 1.3.6.1.2.1.4.28
+    metrics:
+    - name: ipv4InterfaceIfIndex
+      oid: 1.3.6.1.2.1.4.28.1.1
+      type: gauge
+      help: The index value that uniquely identifies the interface to which this entry
+        is applicable - 1.3.6.1.2.1.4.28.1.1
+      indexes:
+      - labelname: ipv4InterfaceIfIndex
+        type: gauge
+    - name: ipv4InterfaceReasmMaxSize
+      oid: 1.3.6.1.2.1.4.28.1.2
+      type: gauge
+      help: The size of the largest IPv4 datagram that this entity can re-assemble
+        from incoming IPv4 fragmented datagrams received on this interface. - 1.3.6.1.2.1.4.28.1.2
+      indexes:
+      - labelname: ipv4InterfaceIfIndex
+        type: gauge
+    - name: ipv4InterfaceEnableStatus
+      oid: 1.3.6.1.2.1.4.28.1.3
+      type: gauge
+      help: The indication of whether IPv4 is enabled (up) or disabled (down) on this
+        interface - 1.3.6.1.2.1.4.28.1.3
+      indexes:
+      - labelname: ipv4InterfaceIfIndex
+        type: gauge
+      enum_values:
+        1: up
+        2: down
+    - name: ipv4InterfaceRetransmitTime
+      oid: 1.3.6.1.2.1.4.28.1.4
+      type: gauge
+      help: The time between retransmissions of ARP requests to a neighbor when resolving
+        the address or when probing the reachability of a neighbor. - 1.3.6.1.2.1.4.28.1.4
+      indexes:
+      - labelname: ipv4InterfaceIfIndex
+        type: gauge
   keepalived:
     walk:
     - 1.3.6.1.2.1.207.1.2.5