surrealpatch/cli/import.go
2021-12-14 08:13:19 +00:00

141 lines
3.9 KiB
Go

// Copyright © 2016 SurrealDB Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cli
import (
"fmt"
"net/http"
"os"
"io/ioutil"
"github.com/spf13/cobra"
"github.com/surrealdb/surrealdb/log"
)
var (
importUser string
importPass string
importConn string
importNS string
importDB string
)
var importCmd = &cobra.Command{
Use: "import [flags] <file>",
Short: "Import a SQL script into an existing database",
Example: " surreal import --auth root:root backup.sql",
RunE: func(cmd *cobra.Command, args []string) (err error) {
var fle *os.File
var req *http.Request
var res *http.Response
// Ensure that the command has a filepath
// as the output file argument. If no filepath
// has been provided then return an error.
if len(args) != 1 {
log.Fatalln("No filepath provided.")
return
}
// Attempt to open or create the specified file
// in write-only mode, and if there is a problem
// creating the file, then return an error.
if fle, err = os.OpenFile(args[0], os.O_RDONLY, 0644); err != nil {
log.Fatalln("SQL failed - please check the filepath and try again.")
return
}
defer fle.Close()
// Configure the sql connection endpoint url
// and specify the authentication header using
// basic auth for root login.
url := fmt.Sprintf("%s/sql", importConn)
if req, err = http.NewRequest("POST", url, fle); err != nil {
log.Fatalln("Connection failed - check the connection details and try again.")
return
}
// Specify that the request is plain text
req.Header.Set("Content-Type", "text/plain")
// Specify the db authentication settings
req.SetBasicAuth(importUser, importPass)
// Specify the namespace to import
req.Header.Set("NS", importNS)
// Specify the database to import
req.Header.Set("DB", importDB)
// Attempt to dial the sql endpoint and
// if there is an error then stop execution
// and return the connection error.
if res, err = http.DefaultClient.Do(req); err != nil {
log.Fatalln("Connection failed - check the connection details and try again.")
return
}
// Ensure that we close the body, otherwise
// if the Body is not closed, the Client can
// not use the underlying transport again.
defer res.Body.Close()
// Ensure that we didn't receive a 401 status
// code back from the server, otherwise there
// was a problem with our authentication.
if res.StatusCode == 401 {
log.Fatalln("Authentication failed - check the connection details and try again.")
return
}
// Ensure that we received a http 200 status
// code back from the server, otherwise there
// was a problem with our request.
if res.StatusCode != 200 {
bdy, _ := ioutil.ReadAll(res.Body)
log.Fatalf("%s", bdy)
return
}
return
},
}
func init() {
importCmd.PersistentFlags().StringVarP(&importUser, "user", "u", "root", "Database authentication username to use when connecting.")
importCmd.PersistentFlags().StringVarP(&importPass, "pass", "p", "pass", "Database authentication password to use when connecting.")
importCmd.PersistentFlags().StringVarP(&importConn, "conn", "c", "https://surreal.io", "Remote database server url to connect to.")
importCmd.PersistentFlags().StringVar(&importNS, "ns", "", "Master authentication details to use when connecting.")
importCmd.PersistentFlags().StringVar(&importDB, "db", "", "Master authentication details to use when connecting.")
}