Added support for sqlite3 check

checks/sqlite3/check.go

@@ -0,0 +1,56 @@
+package healthchecks
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+// Config is the SQLite3 checker configuration settings container.
+type Config struct {
+	// DSN is the SQLite3 instance connection DSN. Required.
+	DSN string
+}
+
+// New creates new SQLite3 health check that verifies the following:
+// - connection establishing
+// - doing the ping command
+// - selecting postgres version
+func New(config Config) func(ctx context.Context) error {
+	return func(ctx context.Context) (checkErr error) {
+		db, err := sql.Open("sqlite3", config.DSN)
+		if err != nil {
+			checkErr = fmt.Errorf("sqlite health check failed on connect: %w", err)
+			return
+		}
+
+		defer func() {
+			// override checkErr only if there were no other errors
+			if err := db.Close(); err != nil && checkErr == nil {
+				checkErr = fmt.Errorf("sqlite health check failed on connection closing: %w", err)
+			}
+		}()
+
+		err = db.PingContext(ctx)
+		if err != nil {
+			checkErr = fmt.Errorf("sqlite health check failed on ping: %w", err)
+			return
+		}
+
+		rows, err := db.QueryContext(ctx, `select sqlite_version()`)
+		if err != nil {
+			checkErr = fmt.Errorf("sqlite health check failed on select: %w", err)
+			return
+		}
+		defer func() {
+			// override checkErr only if there were no other errors
+			if err = rows.Close(); err != nil && checkErr == nil {
+				checkErr = fmt.Errorf("sqlite health check failed on rows closing: %w", err)
+			}
+		}()
+
+		return
+	}
+}

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/influxdata/influxdb-client-go/v2 v2.9.0
 	github.com/jackc/pgx/v4 v4.16.1
 	github.com/lib/pq v1.10.6
+	github.com/mattn/go-sqlite3 v1.14.16
 	github.com/rabbitmq/amqp091-go v1.3.4
 	github.com/stretchr/testify v1.8.0
 	github.com/vitorsalgado/mocha/v2 v2.0.2

go.sum

@@ -190,6 +190,8 @@ github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
+github.com/mattn/go-sqlite3 v1.14.16/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=