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57 lines
944 B
57 lines
944 B
package dns |
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import ( |
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"bytes" |
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"context" |
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"fmt" |
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"io" |
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"os" |
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"time" |
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"darvaza.org/core" |
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"github.com/libdns/libdns" |
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) |
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// Show shows current DNS entries |
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func (mgr *Manager) Show(ctx context.Context, names ...string) error { |
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recs, err := mgr.GetRecords(ctx, names...) |
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if err != nil { |
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return core.Wrap(err, "GetRecords") |
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} |
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return writeRecords(recs, os.Stdout) |
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} |
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func writeRecords(recs []libdns.Record, w io.Writer) error { |
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var buf bytes.Buffer |
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for _, rr := range recs { |
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_ = fmtRecord(&buf, rr) |
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_, _ = buf.WriteRune('\n') |
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} |
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_, _ = fmt.Fprintf(&buf, "; %v records\n", len(recs)) |
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_, err := buf.WriteTo(w) |
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return err |
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} |
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func fmtRecord(w io.Writer, rr libdns.Record) error { |
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ttl := int(rr.TTL / time.Second) |
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if ttl < 1 { |
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ttl = 1 |
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} |
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_, err := fmt.Fprintf(w, "%s\t%v\tIN\t%s\t%s", |
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rr.Name, |
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ttl, |
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rr.Type, |
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rr.Value) |
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if err == nil { |
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if rr.ID != "" { |
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_, err = fmt.Fprintf(w, "\t; %s", rr.ID) |
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} |
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} |
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return err |
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}
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