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Initial transactions collector implementation

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Поляков Игорь
2019-08-04 00:55:28 +03:00
parent eb9cf56dee
commit 27cc1072fe
1 changed files with 237 additions and 1 deletions
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238
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,sqlerrors"
return "accessmethods,availreplica,bufman,databases,dbreplica,genstats,locks,memmgr,sqlstats,sqlerrors,transactions"
}
func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
@@ -106,6 +106,7 @@ func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
mssqlCollectors["memmgr"] = c.collectMemoryManager
mssqlCollectors["sqlstats"] = c.collectSQLStats
mssqlCollectors["sqlerrors"] = c.collectSQLErrors
mssqlCollectors["transactions"] = c.collectTransactions
return mssqlCollectors
}
@@ -362,6 +363,21 @@ type MSSQLCollector struct {
// Win32_PerfRawData_{instance}_SQLServerSQLErrors
SQLErrorsTotal *prometheus.Desc
// Win32_PerfRawData_{instance}_SQLServerTransactions
TransactionsFreeSpaceInTempDbKB *prometheus.Desc
TransactionsLongestTransactionRunningTime *prometheus.Desc
TransactionsNonSnapshotVersionTotalActive *prometheus.Desc
TransactionsSnapshotTotalActive *prometheus.Desc
TransactionsTotalActive *prometheus.Desc
TransactionsUpdateConflictRatio *prometheus.Desc
TransactionsUpdateSnapshotTotalActive *prometheus.Desc
TransactionsVersionCleanupRateKBs *prometheus.Desc
TransactionsVersionGenerationRateKBs *prometheus.Desc
TransactionsVersionStoreSizeKB *prometheus.Desc
TransactionsVersionStoreUnitCount *prometheus.Desc
TransactionsVersionStoreUnitCreation *prometheus.Desc
TransactionsVersionStoreUnitTruncation *prometheus.Desc
mssqlInstances mssqlInstancesType
mssqlCollectors mssqlCollectorsMap
mssqlChildCollectorFailure int
@@ -1649,6 +1665,98 @@ func NewMSSQLCollector() (Collector, error) {
nil,
),
// Win32_PerfRawData_{instance}_SQLServerTransactions
TransactionsFreeSpaceInTempDbKB: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_tempdb_free_space_bytes"),
"(Transactions.FreeSpaceInTempDbKB)",
[]string{"instance"},
nil,
),
TransactionsLongestTransactionRunningTime: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_longest_transaction_running_seconds"),
"(Transactions.LongestTransactionRunningTime)",
[]string{"instance"},
nil,
),
TransactionsNonSnapshotVersionTotalActive: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_nonsnapshot_version_active_total"),
"(Transactions.NonSnapshotVersionTotalActive)",
[]string{"instance"},
nil,
),
TransactionsSnapshotTotalActive: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_snapshot_active_total"),
"(Transactions.SnapshotTotalActive)",
[]string{"instance"},
nil,
),
TransactionsTotalActive: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_active_total"),
"(Transactions.TotalActive)",
[]string{"instance"},
nil,
),
TransactionsUpdateConflictRatio: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_update_conflict_ratio"),
"(Transactions.UpdateConflictRatio)",
[]string{"instance"},
nil,
),
TransactionsUpdateSnapshotTotalActive: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_update_snapshot_active_total"),
"(Transactions.UpdateSnapshotTotalActive)",
[]string{"instance"},
nil,
),
TransactionsVersionCleanupRateKBs: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_cleanup_rate_bytes"),
"(Transactions.VersionCleanupRateKBs)",
[]string{"instance"},
nil,
),
TransactionsVersionGenerationRateKBs: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_generation_rate_bytes"),
"(Transactions.VersionGenerationRateKBs)",
[]string{"instance"},
nil,
),
TransactionsVersionStoreSizeKB: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_store_size_bytes"),
"(Transactions.VersionStoreSizeKB)",
[]string{"instance"},
nil,
),
TransactionsVersionStoreUnitCount: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_store_units"),
"(Transactions.VersionStoreUnitCount)",
[]string{"instance"},
nil,
),
TransactionsVersionStoreUnitCreation: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_store_creation_units"),
"(Transactions.VersionStoreUnitCreation)",
[]string{"instance"},
nil,
),
TransactionsVersionStoreUnitTruncation: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "transactions_version_store_truncation_units"),
"(Transactions.VersionStoreUnitTruncation)",
[]string{"instance"},
nil,
),
mssqlInstances: getMSSQLInstances(),
}
@@ -3599,5 +3707,133 @@ func (c *MSSQLCollector) collectSQLErrors(ch chan<- prometheus.Metric, sqlInstan
)
}
return nil, nil
}
type win32PerfRawDataSqlServerTransactions struct {
FreeSpaceInTempDbKB uint64
LongestTransactionRunningTime uint64
NonSnapshotVersionTransactions uint64
SnapshotTransactions uint64
Transactions uint64
UpdateConflictRatio uint64
UpdateSnapshotTransactions uint64
VersionCleanupRateKBs uint64
VersionGenerationRateKBs uint64
VersionStoreSizeKB uint64
VersionStoreUnitCount uint64
VersionStoreUnitCreation uint64
VersionStoreUnitTruncation uint64
}
// Win32_PerfRawData_MSSQLSERVER_Transactions docs:
// - https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-transactions-object
func (c *MSSQLCollector) collectTransactions(ch chan<- prometheus.Metric, sqlInstance string) (*prometheus.Desc, error) {
var dst []win32PerfRawDataSqlServerTransactions
log.Debugf("mssql_transactions collector iterating sql instance %s.", sqlInstance)
class := mssqlBuildWMIInstanceClass("Transactions", sqlInstance)
q := queryAllForClass(&dst, class)
if err := wmi.Query(q, &dst); err != nil {
return nil, err
}
if len(dst) == 0 {
return nil, errors.New("WMI query returned empty result set")
}
v := dst[0]
ch <- prometheus.MustNewConstMetric(
c.TransactionsFreeSpaceInTempDbKB,
prometheus.GaugeValue,
float64(v.FreeSpaceInTempDbKB),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsLongestTransactionRunningTime,
prometheus.GaugeValue,
float64(v.LongestTransactionRunningTime),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsNonSnapshotVersionTotalActive,
prometheus.CounterValue,
float64(v.NonSnapshotVersionTransactions),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsSnapshotTotalActive,
prometheus.CounterValue,
float64(v.SnapshotTransactions),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsTotalActive,
prometheus.CounterValue,
float64(v.Transactions),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsUpdateConflictRatio,
prometheus.GaugeValue,
float64(v.UpdateConflictRatio),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsUpdateSnapshotTotalActive,
prometheus.CounterValue,
float64(v.UpdateSnapshotTransactions),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionCleanupRateKBs,
prometheus.GaugeValue,
float64(v.VersionCleanupRateKBs),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionGenerationRateKBs,
prometheus.GaugeValue,
float64(v.VersionGenerationRateKBs),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionStoreSizeKB,
prometheus.GaugeValue,
float64(v.VersionStoreSizeKB),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionStoreUnitCount,
prometheus.CounterValue,
float64(v.VersionStoreUnitCount),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionStoreUnitCreation,
prometheus.CounterValue,
float64(v.VersionStoreUnitCreation),
sqlInstance,
)
ch <- prometheus.MustNewConstMetric(
c.TransactionsVersionStoreUnitTruncation,
prometheus.CounterValue,
float64(v.VersionStoreUnitTruncation),
sqlInstance,
)
return nil, nil
}