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package cmd
import (
"fmt"
"log"
"os"
"os/exec"
"strings"
"github.com/kballard/go-shellquote"
"github.com/spf13/cobra"
"github.com/vespa-engine/vespa/client/go/vespa"
)
var curlDryRun bool
var curlPath string
func init() {
rootCmd.AddCommand(curlCmd)
curlCmd.Flags().StringVarP(&curlPath, "path", "p", "", "The path to curl. If this is unset, curl from PATH is used")
curlCmd.Flags().BoolVarP(&curlDryRun, "dry-run", "n", false, "Print the curl command that would be executed")
}
var curlCmd = &cobra.Command{
Use: "curl [curl-options] path",
Short: "Query Vespa using curl",
Long: `Query Vespa using curl.
Execute curl with the appropriate URL, certificate and private key for your application.`,
Example: `$ vespa curl /search/?yql=query
$ vespa curl -- -v --data-urlencode "yql=select * from sources * where title contains 'foo';" /search/
$ vespa curl -t local -- -v /search/?yql=query
`,
DisableAutoGenTag: true,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
cfg, err := LoadConfig()
if err != nil {
fatalErr(err, "Could not load config")
return
}
app, err := vespa.ApplicationFromString(getApplication())
if err != nil {
fatalErr(err)
return
}
privateKeyFile, err := cfg.PrivateKeyPath(app)
if err != nil {
fatalErr(err)
return
}
certificateFile, err := cfg.CertificatePath(app)
if err != nil {
fatalErr(err)
return
}
service := getService("query", 0)
c := &curl{privateKeyPath: privateKeyFile, certificatePath: certificateFile}
if curlDryRun {
cmd, err := c.command(service.BaseURL, args...)
if err != nil {
fatalErr(err, "Failed to create curl command")
return
}
log.Print(shellquote.Join(cmd.Args...))
} else {
if err := c.run(service.BaseURL, args...); err != nil {
fatalErr(err, "Failed to run curl")
return
}
}
},
}
type curl struct {
path string
certificatePath string
privateKeyPath string
}
func (c *curl) run(baseURL string, args ...string) error {
cmd, err := c.command(baseURL, args...)
if err != nil {
return err
}
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
return err
}
return cmd.Wait()
}
func (c *curl) command(baseURL string, args ...string) (*exec.Cmd, error) {
if len(args) == 0 {
return nil, fmt.Errorf("need at least one argument")
}
if c.path == "" {
resolvedPath, err := resolveCurlPath()
if err != nil {
return nil, err
}
c.path = resolvedPath
}
path := args[len(args)-1]
args = args[:len(args)-1]
if !hasOption("--key", args) && c.privateKeyPath != "" {
args = append(args, "--key", c.privateKeyPath)
}
if !hasOption("--cert", args) && c.certificatePath != "" {
args = append(args, "--cert", c.certificatePath)
}
baseURL = strings.TrimSuffix(baseURL, "/")
path = strings.TrimPrefix(path, "/")
args = append(args, baseURL+"/"+path)
return exec.Command(c.path, args...), nil
}
func hasOption(option string, args []string) bool {
for _, arg := range args {
if arg == option {
return true
}
}
return false
}
func resolveCurlPath() (string, error) {
var curlPath string
var err error
curlPath, err = exec.LookPath("curl")
if err != nil {
curlPath, err = exec.LookPath("curl.exe")
if err != nil {
return "", err
}
}
return curlPath, nil
}
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