Merge pull request kubernetes#2322 from palnabarun/kepctl-query-output-csv

kepctl: add CSV output support to query subcommand

Author: k8s-ci-robot

pkg/repo/output.go

@@ -17,6 +17,7 @@ limitations under the License.
 package repo
 
 import (
+	"encoding/csv"
 	"encoding/json"
 	"fmt"
 	"strings"
@@ -130,3 +131,25 @@ func (r *Repo) PrintJSON(proposals []*api.Proposal) {
 
 	fmt.Fprintln(r.Out, string(data))
 }
+
+// PrintCSV outputs keps array as CSV to r.Out
+func (r *Repo) PrintCSV(configs []PrintConfig, proposals []*api.Proposal) {
+	w := csv.NewWriter(r.Out)
+	defer w.Flush()
+
+	var headers []string
+	for _, c := range configs {
+		headers = append(headers, c.Title())
+	}
+	w.Write(headers)
+
+	for _, p := range proposals {
+		var row []string
+		for _, c := range configs {
+			row = append(row, c.Value(p))
+		}
+		if err := w.Write(row); err != nil {
+			fmt.Fprintf(r.Err, "error printing keps as CSV: %s", err)
+		}
+	}
+}

pkg/repo/query.go

@@ -32,6 +32,7 @@ var (
 		"table",
 		"json",
 		"yaml",
+		"csv",
 	}
 
 	// DefaultOutputOpt is the default output format for kepctl query
@@ -40,6 +41,7 @@ var (
 	StructuredOutputFormats = []string{
 		"json",
 		"yaml",
+		"csv",
 	}
 )
 
@@ -194,6 +196,8 @@ func (r *Repo) Query(opts *QueryOpts) error {
 		r.PrintYAML(results)
 	case "json":
 		r.PrintJSON(results)
+	case "csv":
+		r.PrintCSV(DefaultPrintConfigs("Title", "Authors", "SIG", "Stage", "Status", "LastUpdated", "Link"), results)
 	default:
 		// this check happens as a validation step in cobra as well
 		// added it for additional verbosity