qan

Documentation

Overview

Package qan contains business logic of working with QAN and qan-agent on PMM Server node.

Index

• type Service
  • func NewService(ctx context.Context, baseDir string, supervisor services.Supervisor) (*Service, error)
  • func (svc *Service) AddMySQL(ctx context.Context, rdsNode *models.RDSNode, rdsService *models.RDSService, ...) error
  • func (svc *Service) EnsureAgentRuns(ctx context.Context, nameForSupervisor string, port uint16) error
  • func (svc *Service) RemoveMySQL(ctx context.Context, qanAgent *models.QanAgent) error

Types

type Service

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

func NewService

func NewService(ctx context.Context, baseDir string, supervisor services.Supervisor) (*Service, error)

func (*Service) AddMySQL

func (svc *Service) AddMySQL(ctx context.Context, rdsNode *models.RDSNode, rdsService *models.RDSService, qanAgent *models.QanAgent) error

AddMySQL adds MySQL instance to QAN, configuring and enabling it. It sets MySQL instance UUID to qanAgent.QANDBInstanceUUID.

func (*Service) EnsureAgentRuns

func (svc *Service) EnsureAgentRuns(ctx context.Context, nameForSupervisor string, port uint16) error

ensureAgentRuns checks qan-agent process status and starts it if it is not configured or down.

func (*Service) RemoveMySQL

func (svc *Service) RemoveMySQL(ctx context.Context, qanAgent *models.QanAgent) error