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drivers_gen.go
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drivers_gen.go
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//go:build ignore
package main
import (
"fmt"
"os"
. "github.com/dave/jennifer/jen"
)
const (
packageName string = "sql_exporter"
filename string = "drivers.go"
)
var driverList = map[string][]string{
"minimal": {
"github.com/go-sql-driver/mysql",
"github.com/lib/pq",
"github.com/microsoft/go-mssqldb/azuread",
},
"extra": {
"github.com/ClickHouse/clickhouse-go/v2",
"github.com/jackc/pgx/v5/stdlib",
"github.com/snowflakedb/gosnowflake",
"github.com/vertica/vertica-sql-go",
},
"custom": {
"github.com/mithrandie/csvq-driver",
},
}
func main() {
var enabledDrivers []string
args := os.Args[2:]
if args[0] == "all" {
for k := range driverList {
if k != "custom" {
enabledDrivers = append(enabledDrivers, driverList[k]...)
}
}
} else {
var ok bool
enabledDrivers, ok = driverList[args[0]]
if !ok {
fmt.Printf("Nonexistent key. Do nothing.\n")
os.Exit(0)
}
}
f := NewFile(packageName)
f.HeaderComment("// Code generated by \"drivers_gen.go\"")
f.Anon(enabledDrivers...)
fmt.Println("Following drivers are to be added:")
for _, v := range enabledDrivers {
fmt.Printf("> %s\n", v)
}
fmt.Printf("Save to '%s'\n", filename)
if err := f.Save(filename); err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
}