From 440dcde50a19f741b806f96f8ac17a9ccb0f86df Mon Sep 17 00:00:00 2001
From: Alejandro Mery <amery@jpi.io>
Date: Mon, 23 Oct 2023 23:13:59 +0000
Subject: [PATCH] jpictl: introduce `jpictl dns show` command

to list dns entries

Signed-off-by: Alejandro Mery <amery@jpi.io>
---
 cmd/jpictl/dns.go | 18 ++++++++++++++++++
 pkg/dns/show.go   | 29 +++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 pkg/dns/show.go

diff --git a/cmd/jpictl/dns.go b/cmd/jpictl/dns.go
index c3788e0..9023730 100644
--- a/cmd/jpictl/dns.go
+++ b/cmd/jpictl/dns.go
@@ -132,9 +132,27 @@ var dnsSyncCmd = &cobra.Command{
 	},
 }
 
+var dnsShowCmd = &cobra.Command{
+	Use:    "show [<name>...]",
+	Short:  "dns show lists entries on DNS for our domain",
+	PreRun: setVerbosity,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		mgr, err := newDNSManagerCommand(cmd, true, true)
+		if err != nil {
+			return err
+		}
+
+		ctx, cancel := context.WithTimeout(context.Background(), DNSSyncTimeout)
+		defer cancel()
+
+		return mgr.Show(ctx, args...)
+	},
+}
+
 func init() {
 	rootCmd.AddCommand(dnsCmd)
 
 	dnsCmd.AddCommand(dnsWriteCmd)
 	dnsCmd.AddCommand(dnsSyncCmd)
+	dnsCmd.AddCommand(dnsShowCmd)
 }
diff --git a/pkg/dns/show.go b/pkg/dns/show.go
new file mode 100644
index 0000000..24cba56
--- /dev/null
+++ b/pkg/dns/show.go
@@ -0,0 +1,29 @@
+package dns
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"darvaza.org/core"
+)
+
+// Show shows current DNS entries
+func (mgr *Manager) Show(ctx context.Context, names ...string) error {
+	recs, err := mgr.GetRecords(ctx, names...)
+	if err != nil {
+		return core.Wrap(err, "GetRecords")
+	}
+
+	for _, rr := range recs {
+		_, _ = fmt.Printf("%s\t%v\tIN\t%s\t%s\t; %s\n",
+			rr.Name,
+			int(rr.TTL/time.Second),
+			rr.Type,
+			rr.Value,
+			rr.ID)
+	}
+
+	_, _ = fmt.Printf("; %v records\n", len(recs))
+	return nil
+}