Re-organize Go code

1 files changed, 117 insertions, 0 deletions

diff --git a/client/go/internal/cli/cmd/query.go b/client/go/internal/cli/cmd/query.go
new file mode 100644
index 00000000000..a14e2d51036
--- /dev/null
+++ b/client/go/internal/cli/cmd/query.go
@@ -0,0 +1,117 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+// vespa query command
+// author: bratseth
+
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/vespa-engine/vespa/client/go/internal/curl"
+	"github.com/vespa-engine/vespa/client/go/internal/util"
+	"github.com/vespa-engine/vespa/client/go/internal/vespa"
+)
+
+func newQueryCmd(cli *CLI) *cobra.Command {
+	var (
+		printCurl        bool
+		queryTimeoutSecs int
+	)
+	cmd := &cobra.Command{
+		Use:     "query query-parameters",
+		Short:   "Issue a query to Vespa",
+		Example: `$ vespa query "yql=select * from music where album contains 'head';" hits=5`,
+		Long: `Issue a query to Vespa.
+
+Any parameter from https://docs.vespa.ai/en/reference/query-api-reference.html
+can be set by the syntax [parameter-name]=[value].`,
+		// TODO: Support referencing a query json file
+		DisableAutoGenTag: true,
+		SilenceUsage:      true,
+		Args:              cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return query(cli, args, queryTimeoutSecs, printCurl)
+		},
+	}
+	cmd.PersistentFlags().BoolVarP(&printCurl, "verbose", "v", false, "Print the equivalent curl command for the query")
+	cmd.Flags().IntVarP(&queryTimeoutSecs, "timeout", "T", 10, "Timeout for the query in seconds")
+	return cmd
+}
+
+func printCurl(stderr io.Writer, url string, service *vespa.Service) error {
+	cmd, err := curl.RawArgs(url)
+	if err != nil {
+		return err
+	}
+	cmd.Certificate = service.TLSOptions.CertificateFile
+	cmd.PrivateKey = service.TLSOptions.PrivateKeyFile
+	_, err = io.WriteString(stderr, cmd.String()+"\n")
+	return err
+}
+
+func query(cli *CLI, arguments []string, timeoutSecs int, curl bool) error {
+	target, err := cli.target(targetOptions{})
+	if err != nil {
+		return err
+	}
+	service, err := cli.service(target, vespa.QueryService, 0, cli.config.cluster())
+	if err != nil {
+		return err
+	}
+	url, _ := url.Parse(service.BaseURL + "/search/")
+	urlQuery := url.Query()
+	for i := 0; i < len(arguments); i++ {
+		key, value := splitArg(arguments[i])
+		urlQuery.Set(key, value)
+	}
+	queryTimeout := urlQuery.Get("timeout")
+	if queryTimeout == "" {
+		// No timeout set by user, use the timeout option
+		queryTimeout = fmt.Sprintf("%ds", timeoutSecs)
+		urlQuery.Set("timeout", queryTimeout)
+	}
+	url.RawQuery = urlQuery.Encode()
+	deadline, err := time.ParseDuration(queryTimeout)
+	if err != nil {
+		return fmt.Errorf("invalid query timeout: %w", err)
+	}
+	if curl {
+		if err := printCurl(cli.Stderr, url.String(), service); err != nil {
+			return err
+		}
+	}
+	response, err := service.Do(&http.Request{URL: url}, deadline+time.Second) // Slightly longer than query timeout
+	if err != nil {
+		return fmt.Errorf("request failed: %w", err)
+	}
+	defer response.Body.Close()
+
+	if response.StatusCode == 200 {
+		log.Print(util.ReaderToJSON(response.Body))
+	} else if response.StatusCode/100 == 4 {
+		return fmt.Errorf("invalid query: %s\n%s", response.Status, util.ReaderToJSON(response.Body))
+	} else {
+		return fmt.Errorf("%s from container at %s\n%s", response.Status, color.CyanString(url.Host), util.ReaderToJSON(response.Body))
+	}
+	return nil
+}
+
+func splitArg(argument string) (string, string) {
+	parts := strings.SplitN(argument, "=", 2)
+	if len(parts) < 2 {
+		return "yql", parts[0]
+	}
+	if strings.HasPrefix(strings.ToLower(parts[0]), "select ") {
+		// A query containing '='
+		return "yql", argument
+	}
+	return parts[0], parts[1]
+}