collector

package
v0.17.2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 26, 2025 License: Apache-2.0 Imports: 18 Imported by: 14

Documentation

Index

Constants

View Source 
const (
	FlavorMySQL   = "mysql"
	FlavorMariaDB = "mariadb"
)

Variables

View Source 
var (
	HeartbeatStoredDesc = prometheus.NewDesc(
		prometheus.BuildFQName(namespace, heartbeat, "stored_timestamp_seconds"),
		"Timestamp stored in the heartbeat table.",
		[]string{"server_id"}, nil,
	)
	HeartbeatNowDesc = prometheus.NewDesc(
		prometheus.BuildFQName(namespace, heartbeat, "now_timestamp_seconds"),
		"Timestamp of the current server.",
		[]string{"server_id"}, nil,
	)
)

Metric descriptors.

View Source 
var (
	SlaveHostsInfo = prometheus.NewDesc(
		prometheus.BuildFQName(namespace, heartbeat, "mysql_slave_hosts_info"),
		"Information about running slaves",
		[]string{"server_id", "slave_host", "port", "master_id", "slave_uuid"}, nil,
	)
)

Metric descriptors.

Functions

This section is empty.

Types

type Exporter added in v0.11.0 

type Exporter struct {
	// contains filtered or unexported fields
}

Exporter collects MySQL metrics. It implements prometheus.Collector.

func New added in v0.11.0 

func New(ctx context.Context, dsn string, scrapers []Scraper, logger *slog.Logger) *Exporter

New returns a new MySQL exporter for the provided DSN.

func (*Exporter) Collect added in v0.11.0 

func (e *Exporter) Collect(ch chan<- prometheus.Metric)

Collect implements prometheus.Collector.

func (*Exporter) Describe added in v0.11.0 

func (e *Exporter) Describe(ch chan<- *prometheus.Desc)

Describe implements prometheus.Collector.

type ScrapeAutoIncrementColumns 

type ScrapeAutoIncrementColumns struct{}

ScrapeAutoIncrementColumns collects auto_increment column information.

func (ScrapeAutoIncrementColumns) Help added in v0.11.0 

func (ScrapeAutoIncrementColumns) Help() string

Help describes the role of the Scraper.

func (ScrapeAutoIncrementColumns) Name added in v0.11.0 

func (ScrapeAutoIncrementColumns) Name() string

Name of the Scraper. Should be unique.

func (ScrapeAutoIncrementColumns) Scrape added in v0.11.0 

func (ScrapeAutoIncrementColumns) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeAutoIncrementColumns) Version added in v0.12.0 

func (ScrapeAutoIncrementColumns) Version() float64

Version of MySQL from which scraper is available.

type ScrapeBinlogSize 

type ScrapeBinlogSize struct{}

ScrapeBinlogSize collects from `SHOW BINARY LOGS`.

func (ScrapeBinlogSize) Help added in v0.11.0 

func (ScrapeBinlogSize) Help() string

Help describes the role of the Scraper.

func (ScrapeBinlogSize) Name added in v0.11.0 

func (ScrapeBinlogSize) Name() string

Name of the Scraper. Should be unique.

func (ScrapeBinlogSize) Scrape added in v0.11.0 

func (ScrapeBinlogSize) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeBinlogSize) Version added in v0.12.0 

func (ScrapeBinlogSize) Version() float64

Version of MySQL from which scraper is available.

type ScrapeClientStat 

type ScrapeClientStat struct{}

ScrapeClientStat collects from `information_schema.client_statistics`.

func (ScrapeClientStat) Help added in v0.11.0 

func (ScrapeClientStat) Help() string

Help describes the role of the Scraper.

func (ScrapeClientStat) Name added in v0.11.0 

func (ScrapeClientStat) Name() string

Name of the Scraper. Should be unique.

func (ScrapeClientStat) Scrape added in v0.11.0 

func (ScrapeClientStat) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeClientStat) Version added in v0.12.0 

func (ScrapeClientStat) Version() float64

Version of MySQL from which scraper is available.

type ScrapeEngineInnodbStatus 

type ScrapeEngineInnodbStatus struct{}

ScrapeEngineInnodbStatus scrapes from `SHOW ENGINE INNODB STATUS`.

func (ScrapeEngineInnodbStatus) Help added in v0.11.0 

func (ScrapeEngineInnodbStatus) Help() string

Help describes the role of the Scraper.

func (ScrapeEngineInnodbStatus) Name added in v0.11.0 

func (ScrapeEngineInnodbStatus) Name() string

Name of the Scraper. Should be unique.

func (ScrapeEngineInnodbStatus) Scrape added in v0.11.0 

func (ScrapeEngineInnodbStatus) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeEngineInnodbStatus) Version added in v0.12.0 

func (ScrapeEngineInnodbStatus) Version() float64

Version of MySQL from which scraper is available.

type ScrapeEngineTokudbStatus 

type ScrapeEngineTokudbStatus struct{}

ScrapeEngineTokudbStatus scrapes from `SHOW ENGINE TOKUDB STATUS`.

func (ScrapeEngineTokudbStatus) Help added in v0.11.0 

func (ScrapeEngineTokudbStatus) Help() string

Help describes the role of the Scraper.

func (ScrapeEngineTokudbStatus) Name added in v0.11.0 

func (ScrapeEngineTokudbStatus) Name() string

Name of the Scraper. Should be unique.

func (ScrapeEngineTokudbStatus) Scrape added in v0.11.0 

func (ScrapeEngineTokudbStatus) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeEngineTokudbStatus) Version added in v0.12.0 

func (ScrapeEngineTokudbStatus) Version() float64

Version of MySQL from which scraper is available.

type ScrapeGlobalStatus 

type ScrapeGlobalStatus struct{}

ScrapeGlobalStatus collects from `SHOW GLOBAL STATUS`.

func (ScrapeGlobalStatus) Help added in v0.11.0 

func (ScrapeGlobalStatus) Help() string

Help describes the role of the Scraper.

func (ScrapeGlobalStatus) Name added in v0.11.0 

func (ScrapeGlobalStatus) Name() string

Name of the Scraper. Should be unique.

func (ScrapeGlobalStatus) Scrape added in v0.11.0 

func (ScrapeGlobalStatus) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeGlobalStatus) Version added in v0.12.0 

func (ScrapeGlobalStatus) Version() float64

Version of MySQL from which scraper is available.

type ScrapeGlobalVariables 

type ScrapeGlobalVariables struct{}

ScrapeGlobalVariables collects from `SHOW GLOBAL VARIABLES`.

func (ScrapeGlobalVariables) Help added in v0.11.0 

func (ScrapeGlobalVariables) Help() string

Help describes the role of the Scraper.

func (ScrapeGlobalVariables) Name added in v0.11.0 

func (ScrapeGlobalVariables) Name() string

Name of the Scraper. Should be unique.

func (ScrapeGlobalVariables) Scrape added in v0.11.0 

func (ScrapeGlobalVariables) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeGlobalVariables) Version added in v0.12.0 

func (ScrapeGlobalVariables) Version() float64

Version of MySQL from which scraper is available.

type ScrapeHeartbeat added in v0.10.0 

type ScrapeHeartbeat struct{}

ScrapeHeartbeat scrapes from the heartbeat table. This is mainly targeting pt-heartbeat, but will work with any heartbeat implementation that writes to a table with two columns: CREATE TABLE heartbeat ( 

ts                    varchar(26) NOT NULL,
server_id             int unsigned NOT NULL PRIMARY KEY,

);

func (ScrapeHeartbeat) Help added in v0.11.0 

func (ScrapeHeartbeat) Help() string

Help describes the role of the Scraper.

func (ScrapeHeartbeat) Name added in v0.11.0 

func (ScrapeHeartbeat) Name() string

Name of the Scraper. Should be unique.

func (ScrapeHeartbeat) Scrape added in v0.11.0 

func (ScrapeHeartbeat) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeHeartbeat) Version added in v0.12.0 

func (ScrapeHeartbeat) Version() float64

Version of MySQL from which scraper is available.

type ScrapeInfoSchemaInnodbTablespaces 

type ScrapeInfoSchemaInnodbTablespaces struct{}

ScrapeInfoSchemaInnodbTablespaces collects from `information_schema.innodb_sys_tablespaces`.

func (ScrapeInfoSchemaInnodbTablespaces) Help added in v0.11.0 

func (ScrapeInfoSchemaInnodbTablespaces) Help() string

Help describes the role of the Scraper.

func (ScrapeInfoSchemaInnodbTablespaces) Name added in v0.11.0 

func (ScrapeInfoSchemaInnodbTablespaces) Name() string

Name of the Scraper. Should be unique.

func (ScrapeInfoSchemaInnodbTablespaces) Scrape added in v0.11.0 

func (ScrapeInfoSchemaInnodbTablespaces) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeInfoSchemaInnodbTablespaces) Version added in v0.12.0 

func (ScrapeInfoSchemaInnodbTablespaces) Version() float64

Version of MySQL from which scraper is available.

type ScrapeInnodbCmp added in v0.11.0 

type ScrapeInnodbCmp struct{}

ScrapeInnodbCmp collects from `information_schema.innodb_cmp`.

func (ScrapeInnodbCmp) Help added in v0.11.0 

func (ScrapeInnodbCmp) Help() string

Help describes the role of the Scraper.

func (ScrapeInnodbCmp) Name added in v0.11.0 

func (ScrapeInnodbCmp) Name() string

Name of the Scraper. Should be unique.

func (ScrapeInnodbCmp) Scrape added in v0.11.0 

func (ScrapeInnodbCmp) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeInnodbCmp) Version added in v0.12.0 

func (ScrapeInnodbCmp) Version() float64

Version of MySQL from which scraper is available.

type ScrapeInnodbCmpMem added in v0.11.0 

type ScrapeInnodbCmpMem struct{}

ScrapeInnodbCmp collects from `information_schema.innodb_cmp`.

func (ScrapeInnodbCmpMem) Help added in v0.11.0 

func (ScrapeInnodbCmpMem) Help() string

Help describes the role of the Scraper.

func (ScrapeInnodbCmpMem) Name added in v0.11.0 

func (ScrapeInnodbCmpMem) Name() string

Name of the Scraper. Should be unique.

func (ScrapeInnodbCmpMem) Scrape added in v0.11.0 

func (ScrapeInnodbCmpMem) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeInnodbCmpMem) Version added in v0.12.0 

func (ScrapeInnodbCmpMem) Version() float64

Version of MySQL from which scraper is available.

type ScrapeInnodbMetrics 

type ScrapeInnodbMetrics struct{}

ScrapeInnodbMetrics collects from `information_schema.innodb_metrics`.

func (ScrapeInnodbMetrics) Help added in v0.11.0 

func (ScrapeInnodbMetrics) Help() string

Help describes the role of the Scraper.

func (ScrapeInnodbMetrics) Name added in v0.11.0 

func (ScrapeInnodbMetrics) Name() string

Name of the Scraper. Should be unique.

func (ScrapeInnodbMetrics) Scrape added in v0.11.0 

func (ScrapeInnodbMetrics) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeInnodbMetrics) Version added in v0.12.0 

func (ScrapeInnodbMetrics) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfEventsStatements 

type ScrapePerfEventsStatements struct{}

ScrapePerfEventsStatements collects from `performance_schema.events_statements_summary_by_digest`.

func (ScrapePerfEventsStatements) Help added in v0.11.0 

func (ScrapePerfEventsStatements) Help() string

Help describes the role of the Scraper.

func (ScrapePerfEventsStatements) Name added in v0.11.0 

func (ScrapePerfEventsStatements) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfEventsStatements) Scrape added in v0.11.0 

func (ScrapePerfEventsStatements) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfEventsStatements) Version added in v0.12.0 

func (ScrapePerfEventsStatements) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfEventsStatementsSum added in v0.12.0 

type ScrapePerfEventsStatementsSum struct{}

ScrapePerfEventsStatementsSum collects from `performance_schema.events_statements_summary_by_digest`.

func (ScrapePerfEventsStatementsSum) Help added in v0.12.0 

func (ScrapePerfEventsStatementsSum) Help() string

Help describes the role of the Scraper.

func (ScrapePerfEventsStatementsSum) Name added in v0.12.0 

func (ScrapePerfEventsStatementsSum) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfEventsStatementsSum) Scrape added in v0.12.0 

func (ScrapePerfEventsStatementsSum) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfEventsStatementsSum) Version added in v0.12.0 

func (ScrapePerfEventsStatementsSum) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfEventsWaits 

type ScrapePerfEventsWaits struct{}

ScrapePerfEventsWaits collects from `performance_schema.events_waits_summary_global_by_event_name`.

func (ScrapePerfEventsWaits) Help added in v0.11.0 

func (ScrapePerfEventsWaits) Help() string

Help describes the role of the Scraper.

func (ScrapePerfEventsWaits) Name added in v0.11.0 

func (ScrapePerfEventsWaits) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfEventsWaits) Scrape added in v0.11.0 

func (ScrapePerfEventsWaits) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfEventsWaits) Version added in v0.12.0 

func (ScrapePerfEventsWaits) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfFileEvents 

type ScrapePerfFileEvents struct{}

ScrapePerfFileEvents collects from `performance_schema.file_summary_by_event_name`.

func (ScrapePerfFileEvents) Help added in v0.11.0 

func (ScrapePerfFileEvents) Help() string

Help describes the role of the Scraper.

func (ScrapePerfFileEvents) Name added in v0.11.0 

func (ScrapePerfFileEvents) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfFileEvents) Scrape added in v0.11.0 

func (ScrapePerfFileEvents) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfFileEvents) Version added in v0.12.0 

func (ScrapePerfFileEvents) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfFileInstances added in v0.10.0 

type ScrapePerfFileInstances struct{}

ScrapePerfFileInstances collects from `performance_schema.file_summary_by_instance`.

func (ScrapePerfFileInstances) Help added in v0.11.0 

func (ScrapePerfFileInstances) Help() string

Help describes the role of the Scraper.

func (ScrapePerfFileInstances) Name added in v0.11.0 

func (ScrapePerfFileInstances) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfFileInstances) Scrape added in v0.11.0 

func (ScrapePerfFileInstances) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfFileInstances) Version added in v0.12.0 

func (ScrapePerfFileInstances) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfIndexIOWaits 

type ScrapePerfIndexIOWaits struct{}

ScrapePerfIndexIOWaits collects for `performance_schema.table_io_waits_summary_by_index_usage`.

func (ScrapePerfIndexIOWaits) Help added in v0.11.0 

func (ScrapePerfIndexIOWaits) Help() string

Help describes the role of the Scraper.

func (ScrapePerfIndexIOWaits) Name added in v0.11.0 

func (ScrapePerfIndexIOWaits) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfIndexIOWaits) Scrape added in v0.11.0 

func (ScrapePerfIndexIOWaits) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfIndexIOWaits) Version added in v0.12.0 

func (ScrapePerfIndexIOWaits) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfMemoryEvents added in v0.13.0 

type ScrapePerfMemoryEvents struct{}

ScrapePerfMemoryEvents collects from `performance_schema.memory_summary_global_by_event_name`.

func (ScrapePerfMemoryEvents) Help added in v0.13.0 

func (ScrapePerfMemoryEvents) Help() string

Help describes the role of the Scraper.

func (ScrapePerfMemoryEvents) Name added in v0.13.0 

func (ScrapePerfMemoryEvents) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfMemoryEvents) Scrape added in v0.13.0 

func (ScrapePerfMemoryEvents) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfMemoryEvents) Version added in v0.13.0 

func (ScrapePerfMemoryEvents) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfReplicationApplierStatsByWorker added in v0.12.0 

type ScrapePerfReplicationApplierStatsByWorker struct{}

ScrapePerfReplicationApplierStatsByWorker collects from `performance_schema.replication_applier_status_by_worker`.

func (ScrapePerfReplicationApplierStatsByWorker) Help added in v0.12.0 

func (ScrapePerfReplicationApplierStatsByWorker) Help() string

Help describes the role of the Scraper.

func (ScrapePerfReplicationApplierStatsByWorker) Name added in v0.12.0 

func (ScrapePerfReplicationApplierStatsByWorker) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfReplicationApplierStatsByWorker) Scrape added in v0.12.0 

func (ScrapePerfReplicationApplierStatsByWorker) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfReplicationApplierStatsByWorker) Version added in v0.12.0 

func (ScrapePerfReplicationApplierStatsByWorker) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfReplicationGroupMemberStats added in v0.11.0 

type ScrapePerfReplicationGroupMemberStats struct{}

ScrapePerfReplicationGroupMemberStats collects from `performance_schema.replication_group_member_stats`.

func (ScrapePerfReplicationGroupMemberStats) Help added in v0.11.0 

func (ScrapePerfReplicationGroupMemberStats) Help() string

Help describes the role of the Scraper.

func (ScrapePerfReplicationGroupMemberStats) Name added in v0.11.0 

func (ScrapePerfReplicationGroupMemberStats) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfReplicationGroupMemberStats) Scrape added in v0.11.0 

func (ScrapePerfReplicationGroupMemberStats) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfReplicationGroupMemberStats) Version added in v0.12.0 

func (ScrapePerfReplicationGroupMemberStats) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfReplicationGroupMembers added in v0.13.0 

type ScrapePerfReplicationGroupMembers struct{}

ScrapeReplicationGroupMembers collects from `performance_schema.replication_group_members`.

func (ScrapePerfReplicationGroupMembers) Help added in v0.13.0 

func (ScrapePerfReplicationGroupMembers) Help() string

Help describes the role of the Scraper.

func (ScrapePerfReplicationGroupMembers) Name added in v0.13.0 

func (ScrapePerfReplicationGroupMembers) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfReplicationGroupMembers) Scrape added in v0.13.0 

func (ScrapePerfReplicationGroupMembers) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfReplicationGroupMembers) Version added in v0.13.0 

func (ScrapePerfReplicationGroupMembers) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfTableIOWaits 

type ScrapePerfTableIOWaits struct{}

ScrapePerfTableIOWaits collects from `performance_schema.table_io_waits_summary_by_table`.

func (ScrapePerfTableIOWaits) Help added in v0.11.0 

func (ScrapePerfTableIOWaits) Help() string

Help describes the role of the Scraper.

func (ScrapePerfTableIOWaits) Name added in v0.11.0 

func (ScrapePerfTableIOWaits) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfTableIOWaits) Scrape added in v0.11.0 

func (ScrapePerfTableIOWaits) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfTableIOWaits) Version added in v0.12.0 

func (ScrapePerfTableIOWaits) Version() float64

Version of MySQL from which scraper is available.

type ScrapePerfTableLockWaits 

type ScrapePerfTableLockWaits struct{}

ScrapePerfTableLockWaits collects from `performance_schema.table_lock_waits_summary_by_table`.

func (ScrapePerfTableLockWaits) Help added in v0.11.0 

func (ScrapePerfTableLockWaits) Help() string

Help describes the role of the Scraper.

func (ScrapePerfTableLockWaits) Name added in v0.11.0 

func (ScrapePerfTableLockWaits) Name() string

Name of the Scraper. Should be unique.

func (ScrapePerfTableLockWaits) Scrape added in v0.11.0 

func (ScrapePerfTableLockWaits) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapePerfTableLockWaits) Version added in v0.12.0 

func (ScrapePerfTableLockWaits) Version() float64

Version of MySQL from which scraper is available.

type ScrapeProcesslist 

type ScrapeProcesslist struct{}

ScrapeProcesslist collects from `information_schema.processlist`.

func (ScrapeProcesslist) Help added in v0.11.0 

func (ScrapeProcesslist) Help() string

Help describes the role of the Scraper.

func (ScrapeProcesslist) Name added in v0.11.0 

func (ScrapeProcesslist) Name() string

Name of the Scraper. Should be unique.

func (ScrapeProcesslist) Scrape added in v0.11.0 

func (ScrapeProcesslist) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeProcesslist) Version added in v0.12.0 

func (ScrapeProcesslist) Version() float64

Version of MySQL from which scraper is available.

type ScrapeQueryResponseTime 

type ScrapeQueryResponseTime struct{}

ScrapeQueryResponseTime collects from `information_schema.query_response_time`.

func (ScrapeQueryResponseTime) Help added in v0.11.0 

func (ScrapeQueryResponseTime) Help() string

Help describes the role of the Scraper.

func (ScrapeQueryResponseTime) Name added in v0.11.0 

func (ScrapeQueryResponseTime) Name() string

Name of the Scraper. Should be unique.

func (ScrapeQueryResponseTime) Scrape added in v0.11.0 

func (ScrapeQueryResponseTime) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeQueryResponseTime) Version added in v0.12.0 

func (ScrapeQueryResponseTime) Version() float64

Version of MySQL from which scraper is available.

type ScrapeReplicaHost added in v0.13.0 

type ScrapeReplicaHost struct{}

ScrapeReplicaHost collects from `information_schema.replica_host_status`.

func (ScrapeReplicaHost) Help added in v0.13.0 

func (ScrapeReplicaHost) Help() string

Help describes the role of the Scraper.

func (ScrapeReplicaHost) Name added in v0.13.0 

func (ScrapeReplicaHost) Name() string

Name of the Scraper. Should be unique.

func (ScrapeReplicaHost) Scrape added in v0.13.0 

func (ScrapeReplicaHost) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeReplicaHost) Version added in v0.13.0 

func (ScrapeReplicaHost) Version() float64

Version of MySQL from which scraper is available.

type ScrapeSchemaStat added in v0.12.0 

type ScrapeSchemaStat struct{}

ScrapeSchemaStat collects from `information_schema.table_statistics` grouped by schema.

func (ScrapeSchemaStat) Help added in v0.12.0 

func (ScrapeSchemaStat) Help() string

Help describes the role of the Scraper.

func (ScrapeSchemaStat) Name added in v0.12.0 

func (ScrapeSchemaStat) Name() string

Name of the Scraper. Should be unique.

func (ScrapeSchemaStat) Scrape added in v0.12.0 

func (ScrapeSchemaStat) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeSchemaStat) Version added in v0.12.0 

func (ScrapeSchemaStat) Version() float64

Version of MySQL from which scraper is available.

type ScrapeSlaveHosts added in v0.11.0 

type ScrapeSlaveHosts struct{}

ScrapeSlaveHosts scrapes metrics about the replicating slaves.

func (ScrapeSlaveHosts) Help added in v0.11.0 

func (ScrapeSlaveHosts) Help() string

Help describes the role of the Scraper.

func (ScrapeSlaveHosts) Name added in v0.11.0 

func (ScrapeSlaveHosts) Name() string

Name of the Scraper. Should be unique.

func (ScrapeSlaveHosts) Scrape added in v0.11.0 

func (ScrapeSlaveHosts) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeSlaveHosts) Version added in v0.12.0 

func (ScrapeSlaveHosts) Version() float64

Version of MySQL from which scraper is available.

type ScrapeSlaveStatus 

type ScrapeSlaveStatus struct{}

ScrapeSlaveStatus collects from `SHOW SLAVE STATUS`.

func (ScrapeSlaveStatus) Help added in v0.11.0 

func (ScrapeSlaveStatus) Help() string

Help describes the role of the Scraper.

func (ScrapeSlaveStatus) Name added in v0.11.0 

func (ScrapeSlaveStatus) Name() string

Name of the Scraper. Should be unique.

func (ScrapeSlaveStatus) Scrape added in v0.11.0 

func (ScrapeSlaveStatus) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeSlaveStatus) Version added in v0.12.0 

func (ScrapeSlaveStatus) Version() float64

Version of MySQL from which scraper is available.

type ScrapeSysUserSummary added in v0.15.0 

type ScrapeSysUserSummary struct{}

func (ScrapeSysUserSummary) Help added in v0.15.0 

func (ScrapeSysUserSummary) Help() string

Help describes the role of the Scraper.

func (ScrapeSysUserSummary) Name added in v0.15.0 

func (ScrapeSysUserSummary) Name() string

Name of the Scraper. Should be unique.

func (ScrapeSysUserSummary) Scrape added in v0.15.0 

func (ScrapeSysUserSummary) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape the information from sys.user_summary, creating a metric for each value of each row, labeled with the user

func (ScrapeSysUserSummary) Version added in v0.15.0 

func (ScrapeSysUserSummary) Version() float64

Version of MySQL from which scraper is available.

type ScrapeTableSchema 

type ScrapeTableSchema struct{}

ScrapeTableSchema collects from `information_schema.tables`.

func (ScrapeTableSchema) Help added in v0.11.0 

func (ScrapeTableSchema) Help() string

Help describes the role of the Scraper.

func (ScrapeTableSchema) Name added in v0.11.0 

func (ScrapeTableSchema) Name() string

Name of the Scraper. Should be unique.

func (ScrapeTableSchema) Scrape added in v0.11.0 

func (ScrapeTableSchema) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeTableSchema) Version added in v0.12.0 

func (ScrapeTableSchema) Version() float64

Version of MySQL from which scraper is available.

type ScrapeTableStat 

type ScrapeTableStat struct{}

ScrapeTableStat collects from `information_schema.table_statistics`.

func (ScrapeTableStat) Help added in v0.11.0 

func (ScrapeTableStat) Help() string

Help describes the role of the Scraper.

func (ScrapeTableStat) Name added in v0.11.0 

func (ScrapeTableStat) Name() string

Name of the Scraper. Should be unique.

func (ScrapeTableStat) Scrape added in v0.11.0 

func (ScrapeTableStat) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeTableStat) Version added in v0.12.0 

func (ScrapeTableStat) Version() float64

Version of MySQL from which scraper is available.

type ScrapeUser added in v0.12.0 

type ScrapeUser struct{}

ScrapeUser collects from `information_schema.processlist`.

func (ScrapeUser) Help added in v0.12.0 

func (ScrapeUser) Help() string

Help describes the role of the Scraper.

func (ScrapeUser) Name added in v0.12.0 

func (ScrapeUser) Name() string

Name of the Scraper. Should be unique.

func (ScrapeUser) Scrape added in v0.12.0 

func (ScrapeUser) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeUser) Version added in v0.12.0 

func (ScrapeUser) Version() float64

Version of MySQL from which scraper is available.

type ScrapeUserStat 

type ScrapeUserStat struct{}

ScrapeUserStat collects from `information_schema.user_statistics`.

func (ScrapeUserStat) Help added in v0.11.0 

func (ScrapeUserStat) Help() string

Help describes the role of the Scraper.

func (ScrapeUserStat) Name added in v0.11.0 

func (ScrapeUserStat) Name() string

Name of the Scraper. Should be unique.

func (ScrapeUserStat) Scrape added in v0.11.0 

func (ScrapeUserStat) Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error

Scrape collects data from database connection and sends it over channel as prometheus metric.

func (ScrapeUserStat) Version added in v0.12.0 

func (ScrapeUserStat) Version() float64

Version of MySQL from which scraper is available.

type Scraper added in v0.11.0 

type Scraper interface {
	// Name of the Scraper. Should be unique.
	Name() string

	// Help describes the role of the Scraper.
	// Example: "Collect from SHOW ENGINE INNODB STATUS"
	Help() string

	// Version of MySQL from which scraper is available.
	Version() float64

	// Scrape collects data from database connection and sends it over channel as prometheus metric.
	Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error
}

Scraper is minimal interface that let's you add new prometheus metrics to mysqld_exporter.

Source Files

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