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Merge pull request #370 from callvirtual/sql-errors-collector

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Add support for SQL Errors counter
This commit is contained in:
Calle Pettersson
2019-08-03 22:23:15 +02:00
committed by GitHub
parent 33b6e17b2d 37d1c4e958
commit eb9cf56dee
3 changed files with 48 additions and 4 deletions
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45
collector/mssql.go
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@@ -91,7 +91,7 @@ func mssqlBuildWMIInstanceClass(suffix string, instance string) string {
type mssqlCollectorsMap map[string]mssqlCollectorFunc
func mssqlAvailableClassCollectors() string {
return "accessmethods,availreplica,bufman,databases,dbreplica,genstats,locks,memmgr,sqlstats"
return "accessmethods,availreplica,bufman,databases,dbreplica,genstats,locks,memmgr,sqlstats,sqlerrors"
}
func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
@@ -105,6 +105,7 @@ func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
mssqlCollectors["locks"] = c.collectLocks
mssqlCollectors["memmgr"] = c.collectMemoryManager
mssqlCollectors["sqlstats"] = c.collectSQLStats
mssqlCollectors["sqlerrors"] = c.collectSQLErrors
return mssqlCollectors
}
@@ -358,6 +359,9 @@ type MSSQLCollector struct {
SQLStatsSQLReCompilations *prometheus.Desc
SQLStatsUnsafeAutoParams *prometheus.Desc
// Win32_PerfRawData_{instance}_SQLServerSQLErrors
SQLErrorsTotal *prometheus.Desc
mssqlInstances mssqlInstancesType
mssqlCollectors mssqlCollectorsMap
mssqlChildCollectorFailure int
@@ -1637,6 +1641,14 @@ func NewMSSQLCollector() (Collector, error) {
nil,
),
// Win32_PerfRawData_{instance}_SQLServerSQLErrors
SQLErrorsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sql_errors_total"),
"(SQLErrors.Total)",
[]string{"instance", "resource"},
nil,
),
mssqlInstances: getMSSQLInstances(),
}
@@ -3558,3 +3570,34 @@ func (c *MSSQLCollector) collectSQLStats(ch chan<- prometheus.Metric, sqlInstanc
return nil, nil
}
type win32PerfRawDataSQLServerSQLErrors struct {
Name string
Errorssec uint64
}
// Win32_PerfRawData_MSSQLSERVER_SQLServerErrors docs:
// - https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-sql-errors-object
func (c *MSSQLCollector) collectSQLErrors(ch chan<- prometheus.Metric, sqlInstance string) (*prometheus.Desc, error) {
var dst []win32PerfRawDataSQLServerSQLErrors
log.Debugf("mssql_sqlerrors collector iterating sql instance %s.", sqlInstance)
class := mssqlBuildWMIInstanceClass("SQLErrors", sqlInstance)
q := queryAllForClassWhere(&dst, class, `Name <> '_Total'`)
if err := wmi.Query(q, &dst); err != nil {
return nil, err
}
for _, v := range dst {
resource := v.Name
ch <- prometheus.MustNewConstMetric(
c.SQLErrorsTotal,
prometheus.CounterValue,
float64(v.Errorssec),
sqlInstance, resource,
)
}
return nil, nil
}