mirror of
https://github.com/ClickHouse/ClickHouse.git
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109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package clickhouse
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import (
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"github.com/ClickHouse/ClickHouse/programs/diagnostics/internal/collectors"
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"github.com/ClickHouse/ClickHouse/programs/diagnostics/internal/platform"
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"github.com/ClickHouse/ClickHouse/programs/diagnostics/internal/platform/config"
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"github.com/ClickHouse/ClickHouse/programs/diagnostics/internal/platform/data"
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"github.com/pkg/errors"
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)
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type DBLogTable struct {
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orderBy data.OrderBy
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excludeColumns []string
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}
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var DbLogTables = map[string]DBLogTable{
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"query_log": {
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orderBy: data.OrderBy{
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Column: "event_time_microseconds",
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Order: data.Asc,
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},
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excludeColumns: []string{},
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},
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"query_thread_log": {
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orderBy: data.OrderBy{
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Column: "event_time_microseconds",
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Order: data.Asc,
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},
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excludeColumns: []string{},
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},
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"text_log": {
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orderBy: data.OrderBy{
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Column: "event_time_microseconds",
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Order: data.Asc,
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},
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excludeColumns: []string{},
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},
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}
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// This collector collects db logs
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type DBLogsCollector struct {
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resourceManager *platform.ResourceManager
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}
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func NewDBLogsCollector(m *platform.ResourceManager) *DBLogsCollector {
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return &DBLogsCollector{
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resourceManager: m,
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}
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}
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func (dc *DBLogsCollector) Collect(conf config.Configuration) (*data.DiagnosticBundle, error) {
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conf, err := conf.ValidateConfig(dc.Configuration())
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if err != nil {
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return &data.DiagnosticBundle{}, err
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}
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rowLimit, err := config.ReadIntValue(conf, "row_limit")
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if err != nil {
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return &data.DiagnosticBundle{}, err
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}
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frames := make(map[string]data.Frame)
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var frameErrors []error
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for logTable, tableConfig := range DbLogTables {
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frame, err := dc.resourceManager.DbClient.ReadTable("system", logTable, tableConfig.excludeColumns, tableConfig.orderBy, rowLimit)
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if err != nil {
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frameErrors = append(frameErrors, errors.Wrapf(err, "Unable to collect %s", logTable))
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} else {
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frames[logTable] = frame
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}
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}
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fErrors := data.FrameErrors{
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Errors: frameErrors,
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}
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return &data.DiagnosticBundle{
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Frames: frames,
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Errors: fErrors,
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}, nil
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}
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func (dc *DBLogsCollector) Configuration() config.Configuration {
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return config.Configuration{
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Params: []config.ConfigParam{
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config.IntParam{
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Value: 100000,
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Param: config.NewParam("row_limit", "Maximum number of log rows to collect. Negative values mean unlimited", false),
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},
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},
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}
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}
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func (dc *DBLogsCollector) IsDefault() bool {
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return true
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}
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func (dc DBLogsCollector) Description() string {
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return "Collects the ClickHouse logs directly from the database."
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}
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// here we register the collector for use
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func init() {
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collectors.Register("db_logs", func() (collectors.Collector, error) {
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return &DBLogsCollector{
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resourceManager: platform.GetResourceManager(),
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}, nil
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})
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}
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