Files
steampipe/pkg/db/db_local/create_client.go
2022-11-23 17:34:21 +00:00

107 lines
2.9 KiB
Go

package db_local
import (
"context"
"fmt"
"log"
"strings"
"github.com/jackc/pgx/v5"
"github.com/turbot/steampipe/pkg/constants"
"github.com/turbot/steampipe/pkg/constants/runtime"
"github.com/turbot/steampipe/pkg/db/db_common"
"github.com/turbot/steampipe/pkg/utils"
)
func getLocalSteampipeConnectionString(opts *CreateDbOptions) (string, error) {
if opts == nil {
opts = &CreateDbOptions{}
}
utils.LogTime("db.createDbClient start")
defer utils.LogTime("db.createDbClient end")
// load the db status
info, err := GetState()
if err != nil {
return "", err
}
if info == nil {
return "", fmt.Errorf("steampipe service is not running")
}
// if no database name is passed, use constants.DatabaseUser
if len(opts.Username) == 0 {
opts.Username = constants.DatabaseUser
}
// if no username name is passed, deduce it from the db status
if len(opts.DatabaseName) == 0 {
opts.DatabaseName = info.Database
}
// if we still don't have it, fallback to default "postgres"
if len(opts.DatabaseName) == 0 {
opts.DatabaseName = "postgres"
}
psqlInfoMap := map[string]string{
// Connect to the database using the first listen address, which is usually localhost
"host": info.Listen[0],
"port": fmt.Sprintf("%d", info.Port),
"user": opts.Username,
"dbname": opts.DatabaseName,
}
psqlInfoMap = utils.MergeMaps(psqlInfoMap, dsnSSLParams())
log.Println("[TRACE] SQLInfoMap >>>", psqlInfoMap)
psqlInfo := []string{}
for k, v := range psqlInfoMap {
psqlInfo = append(psqlInfo, fmt.Sprintf("%s=%s", k, v))
}
log.Println("[TRACE] PSQLInfo >>>", psqlInfo)
return strings.Join(psqlInfo, " "), nil
}
type CreateDbOptions struct {
DatabaseName, Username string
}
// createLocalDbClient connects and returns a connection to the given database using
// the provided username
// if the database is not provided (empty), it connects to the default database in the service
// that was created during installation.
// NOTE: no session data callback is used - no sesison data will be present
func createLocalDbClient(ctx context.Context, opts *CreateDbOptions) (*pgx.Conn, error) {
utils.LogTime("db.createLocalDbClient start")
defer utils.LogTime("db.createLocalDbClient end")
psqlInfo, err := getLocalSteampipeConnectionString(opts)
if err != nil {
return nil, err
}
connConfig, err := pgx.ParseConfig(psqlInfo)
if err != nil {
return nil, err
}
// set an app name so that we can track database connections from this Steampipe execution
// this is used to determine whether the database can safely be closed
connConfig.Config.RuntimeParams = map[string]string{
"application_name": runtime.PgClientAppName,
}
err = db_common.AddRootCertToConfig(&connConfig.Config, getRootCertLocation())
if err != nil {
return nil, err
}
conn, err := pgx.ConnectConfig(ctx, connConfig)
if err != nil {
return nil, err
}
if err := db_common.WaitForConnection(ctx, conn); err != nil {
return nil, err
}
return conn, nil
}