cloud_storage: ostream operator for segmenta_meta

This is helpful for debugging issues with segment selection on the fetch
path.

src/v/cloud_storage/types.cc

@@ -16,6 +16,28 @@
 
 namespace cloud_storage {
 
+std::ostream& operator<<(std::ostream& o, const segment_meta& s) {
+    fmt::print(
+      o,
+      "{{is_compacted: {}, size_bytes: {}, base_offset: {}, committed_offset: "
+      "{}, base_timestamp: {}, max_timestamp: {}, delta_offset: {}, "
+      "ntp_revision: {}, archiver_term: {}, segment_term: {}, "
+      "delta_offset_end: {}, sname_format: {}}}",
+      s.is_compacted,
+      s.size_bytes,
+      s.base_offset,
+      s.committed_offset,
+      s.base_timestamp,
+      s.max_timestamp,
+      s.delta_offset,
+      s.ntp_revision,
+      s.archiver_term,
+      s.segment_term,
+      s.delta_offset_end,
+      s.sname_format);
+    return o;
+}
+
 std::ostream& operator<<(std::ostream& o, const segment_name_format& r) {
     switch (r) {
     case segment_name_format::v1:

src/v/cloud_storage/types.h

@@ -167,5 +167,6 @@ struct segment_meta {
 
     auto operator<=>(const segment_meta&) const = default;
 };
+std::ostream& operator<<(std::ostream& o, const segment_meta& r);
 
 } // namespace cloud_storage