postgres

package

v0.4.0 Latest Latest Go to latest Published: Feb 28, 2020 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/ssube/prometheus-sql-adapter

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Documentation ¶

Index ¶

func ParseIsolationLevel(level string) sql.IsolationLevel
type Client
- func NewClient(logger log.Logger, config ClientConfig) *Client
type ClientConfig

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func ParseIsolationLevel ¶ added in v0.3.3

func ParseIsolationLevel(level string) sql.IsolationLevel

ParseIsolationLevel converts a string level back to int

Types ¶

type Client ¶

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

Client allows sending batches of Prometheus samples to Postgres.

func NewClient ¶

func NewClient(logger log.Logger, config ClientConfig) *Client

NewClient creates a new Client.

func (Client) Name ¶

func (c Client) Name() string

Name identifies the client as a Postgres client.

func (*Client) PrepareStmt ¶ added in v0.3.2

func (c *Client) PrepareStmt(rawStmt string) (*sql.Tx, *sql.Stmt, error)

PrepareStmt within a transaction using the configured isolation level

func (Client) UpdateStats ¶

func (c Client) UpdateStats()

UpdateStats pings the server and updates connection metrics

func (*Client) Write ¶

func (c *Client) Write(metrics metric.Metrics, samples model.Samples) error

Write sends a batch of samples to Postgres.

func (*Client) WriteLabel ¶ added in v0.3.3

func (c *Client) WriteLabel(m *model.Metric, stmt *sql.Stmt, t time.Time) (written bool, err error)

WriteLabel using a prepared statement and last seen time

func (*Client) WriteLabels ¶

func (c *Client) WriteLabels(metrics metric.Metrics) error

WriteLabels from a batch write

func (*Client) WriteSample ¶ added in v0.3.2

func (c *Client) WriteSample(s *model.Sample, txn *sql.Tx, stmt *sql.Stmt) (written bool, err error)

WriteSample using a prepared statement

func (*Client) WriteSamples ¶

func (c *Client) WriteSamples(samples model.Samples) error

WriteSamples from a batch write

type ClientConfig ¶ added in v0.3.3

type ClientConfig struct {
	CacheSize   int
	ConnStr     string
	MaxIdle     int
	MaxOpen     int
	PingCron    string
	PingTimeout time.Duration
	TxIsolation string
}

ClientConfig for Postgres Client

Source Files ¶

View all Source files

client.go

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