131 lines
3.6 KiB
Markdown
131 lines
3.6 KiB
Markdown
# SNMP2 Plugin
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The SNMP2 input plugin gathers metrics from SNMP agents.
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It is an alternative to the SNMP plugin with significantly different configuration & behavior.
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## Configuration:
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### Example:
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SNMP data:
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```
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.1.2.3.0.0.1.0 octet_str "foo"
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.1.2.3.0.0.1.1 octet_str "bar"
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.1.2.3.0.0.102 octet_str "bad"
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.1.2.3.0.0.2.0 integer 1
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.1.2.3.0.0.2.1 integer 2
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.1.2.3.0.0.3.0 octet_str "0.123"
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.1.2.3.0.0.3.1 octet_str "0.456"
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.1.2.3.0.0.3.2 octet_str "9.999"
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.1.2.3.0.1 octet_str "baz"
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.1.2.3.0.2 uinteger 54321
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.1.2.3.0.3 uinteger 234
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```
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Telegraf config:
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```toml
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[[inputs.snmp2]]
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agents = [ "127.0.0.1:161" ]
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version = 2
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community = "public"
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name = "system"
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[[inputs.snmp2.field]]
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name = "hostname"
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oid = ".1.2.3.0.1"
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is_tag = true
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[[inputs.snmp2.field]]
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name = "uptime"
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oid = ".1.2.3.0.2"
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[[inputs.snmp2.field]]
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name = "loadavg"
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oid = ".1.2.3.0.3"
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conversion = "float(2)"
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[[inputs.snmp2.table]]
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name = "remote_servers"
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inherit_tags = [ "hostname" ]
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[[inputs.snmp2.table.field]]
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name = "server"
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oid = ".1.2.3.0.0.1"
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is_tag = true
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[[inputs.snmp2.table.field]]
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name = "connections"
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oid = ".1.2.3.0.0.2"
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[[inputs.snmp2.table.field]]
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name = "latency"
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oid = ".1.2.3.0.0.3"
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conversion = "float"
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```
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Resulting output:
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```
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* Plugin: snmp2, Collection 1
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> system,agent_host=127.0.0.1,host=mylocalhost,hostname=baz loadavg=2.34,uptime=54321i 1468953135000000000
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> remote_servers,agent_host=127.0.0.1,host=mylocalhost,hostname=baz,server=foo connections=1i,latency=0.123 1468953135000000000
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> remote_servers,agent_host=127.0.0.1,host=mylocalhost,hostname=baz,server=bar connections=2i,latency=0.456 1468953135000000000
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```
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### Config parameters
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* `agents`: Default: `[]`
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List of SNMP agents to connect to in the form of `IP[:PORT]`. If `:PORT` is unspecified, it defaults to `161`.
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* `version`: Default: `2`
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SNMP protocol version to use.
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* `community`: Default: `"public"`
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SNMP community to use.
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* `max_repetitions`: Default: `50`
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Maximum number of iterations for repeating variables.
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* `sec_name`:
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Security name for authenticated SNMPv3 requests.
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* `auth_protocol`: Values: `"MD5"`,`"SHA"`,`""`. Default: `""`
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Authentication protocol for authenticated SNMPv3 requests.
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* `auth_password`:
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Authentication password for authenticated SNMPv3 requests.
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* `sec_level`: Values: `"noAuthNoPriv"`,`"authNoPriv"`,`"authPriv"`. Default: `"noAuthNoPriv"`
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Security level used for SNMPv3 messages.
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* `context_name`:
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Context name used for SNMPv3 requests.
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* `priv_protocol`: Values: `"DES"`,`"AES"`,`""`. Default: `""`
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Privacy protocol used for encrypted SNMPv3 messages.
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* `priv_password`:
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Privacy password used for encrypted SNMPv3 messages.
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* `name`:
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Output measurement name.
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#### Field parameters:
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* `name`:
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Output field/tag name.
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* `oid`:
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OID to get. Must be in dotted notation, not textual.
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* `is_tag`:
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Output this field as a tag.
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* `conversion`: Values: `"float(X)"`,`"float"`,`"int"`,`""`. Default: `""`
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Converts the value according to the given specification.
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- `float(X)`: Converts the input value into a float and divides by the Xth power of 10. Efficively just moves the decimal left X places. For example a value of `123` with `float(2)` will result in `1.23`.
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- `float`: Converts the value into a float with no adjustment. Same as `float(0)`.
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- `int`: Convertes the value into an integer.
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#### Table parameters:
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* `name`:
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Output measurement name.
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* `inherit_tags`:
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Which tags to inherit from the top-level config and to use in the output of this table's measurement.
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