snmp: fix initialization of table fields in manual tables (#1836)

This commit is contained in:
Patrick Hemmer 2016-10-12 06:00:39 -04:00 committed by Cameron Sparr
parent e96f7a9b12
commit 80df3f7634
4 changed files with 22 additions and 10 deletions

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@ -59,6 +59,7 @@ continue sending logs to /var/log/telegraf/telegraf.log.
- [#1810](https://github.com/influxdata/telegraf/issues/1810): Fix logparser common log format: numbers in ident. - [#1810](https://github.com/influxdata/telegraf/issues/1810): Fix logparser common log format: numbers in ident.
- [#1793](https://github.com/influxdata/telegraf/pull/1793): Fix JSON Serialization in OpenTSDB output. - [#1793](https://github.com/influxdata/telegraf/pull/1793): Fix JSON Serialization in OpenTSDB output.
- [#1731](https://github.com/influxdata/telegraf/issues/1731): Fix Graphite template ordering, use most specific. - [#1731](https://github.com/influxdata/telegraf/issues/1731): Fix Graphite template ordering, use most specific.
- [#1836](https://github.com/influxdata/telegraf/pull/1836): Fix snmp table field initialization for non-automatic table.
## v1.0.1 [2016-09-26] ## v1.0.1 [2016-09-26]

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@ -178,16 +178,33 @@ type Table struct {
initialized bool initialized bool
} }
// init() populates Fields if a table OID is provided. // init() builds & initializes the nested fields.
func (t *Table) init() error { func (t *Table) init() error {
if t.initialized { if t.initialized {
return nil return nil
} }
if t.Oid == "" {
if err := t.initBuild(); err != nil {
return err
}
// initialize all the nested fields
for i := range t.Fields {
if err := t.Fields[i].init(); err != nil {
return err
}
}
t.initialized = true t.initialized = true
return nil return nil
} }
// init() populates Fields if a table OID is provided.
func (t *Table) initBuild() error {
if t.Oid == "" {
return nil
}
mibName, _, oidText, _, err := snmpTranslate(t.Oid) mibName, _, oidText, _, err := snmpTranslate(t.Oid)
if err != nil { if err != nil {
return Errorf(err, "translating %s", t.Oid) return Errorf(err, "translating %s", t.Oid)
@ -242,14 +259,6 @@ func (t *Table) init() error {
t.Fields = append(t.Fields, Field{Name: col, Oid: mibPrefix + col, IsTag: isTag}) t.Fields = append(t.Fields, Field{Name: col, Oid: mibPrefix + col, IsTag: isTag})
} }
// initialize all the nested fields
for i := range t.Fields {
if err := t.Fields[i].init(); err != nil {
return err
}
}
t.initialized = true
return nil return nil
} }

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@ -21,6 +21,7 @@ var mockedCommands = [][]string{
{"snmptranslate", "-Td", "-Ob", "-m", "all", "1.0.0.1.1"}, {"snmptranslate", "-Td", "-Ob", "-m", "all", "1.0.0.1.1"},
{"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.0.0.0.1.1"}, {"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.0.0.0.1.1"},
{"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.0.0.0.1.1.0"}, {"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.0.0.0.1.1.0"},
{"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.0.0.0.1.4"},
{"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.2.3"}, {"snmptranslate", "-Td", "-Ob", "-m", "all", ".1.2.3"},
{"snmptranslate", "-Td", "-Ob", ".iso.2.3"}, {"snmptranslate", "-Td", "-Ob", ".iso.2.3"},
{"snmptranslate", "-Td", "-Ob", "-m", "all", ".999"}, {"snmptranslate", "-Td", "-Ob", "-m", "all", ".999"},

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@ -67,6 +67,7 @@ var mockedCommandResults = map[string]mockedCommandResult{
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x001.0.0.1.1": mockedCommandResult{stdout: "TEST::hostname\nhostname OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 1 1 }\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x001.0.0.1.1": mockedCommandResult{stdout: "TEST::hostname\nhostname OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 1 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1": mockedCommandResult{stdout: "TEST::server\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 1 }\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1": mockedCommandResult{stdout: "TEST::server\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1.0": mockedCommandResult{stdout: "TEST::server.0\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) server(1) 0 }\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1.0": mockedCommandResult{stdout: "TEST::server.0\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) server(1) 0 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.4": mockedCommandResult{stdout: "TEST::testTableEntry.4\ntestTableEntry OBJECT-TYPE\n -- FROM\tTEST\n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n INDEX\t\t{ server }\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 4 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.2.3": mockedCommandResult{stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.2.3": mockedCommandResult{stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00.iso.2.3": mockedCommandResult{stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00.iso.2.3": mockedCommandResult{stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.999": mockedCommandResult{stdout: ".999\n [TRUNCATED]\n", stderr: "", exitError: false}, "snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.999": mockedCommandResult{stdout: ".999\n [TRUNCATED]\n", stderr: "", exitError: false},