libs/log: text logging format changes (#6589)

CHANGELOG_PENDING.md

@@ -32,7 +32,7 @@ Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermi
 - P2P Protocol
 
 - Go API
-  - [logging] \#6534 Removed the existing custom Tendermint logger backed by go-kit. The logging interface, `Logger`, remains.
+  - [libs/log] \#6534 Removed the existing custom Tendermint logger backed by go-kit. The logging interface, `Logger`, remains.
   Tendermint still provides a default logger backed by the performant zerolog logger. (@alexanderbez)
   - [mempool] \#6529 The `Context` field has been removed from the `TxInfo` type. `CheckTx` now requires a `Context` argument. (@alexanderbez)
   - [abci/client, proxy] \#5673 `Async` funcs return an error, `Sync` and `Async` funcs accept `context.Context` (@melekes)
@@ -87,7 +87,7 @@ Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermi
 - [config/indexer] \#6411 Introduce support for custom event indexing data sources, specifically PostgreSQL. (@JayT106)
 
 ### IMPROVEMENTS
-
+- [libs/log] Console log formatting changes as a result of \#6534 and \#6589. (@tychoish)
 - [statesync] \#6566 Allow state sync fetchers and request timeout to be configurable. (@alexanderbez)
 - [types] \#6478 Add `block_id` to `newblock` event (@jeebster)
 - [crypto/ed25519] \#5632 Adopt zip215 `ed25519` verification. (@marbar3778)

libs/log/default.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/rs/zerolog"
 )
@@ -29,7 +30,17 @@ func NewDefaultLogger(format, level string, trace bool) (Logger, error) {
 	var logWriter io.Writer
 	switch strings.ToLower(format) {
 	case LogFormatPlain, LogFormatText:
-		logWriter = zerolog.ConsoleWriter{Out: os.Stderr}
+		logWriter = zerolog.ConsoleWriter{
+			Out:        os.Stderr,
+			NoColor:    true,
+			TimeFormat: time.RFC3339,
+			FormatLevel: func(i interface{}) string {
+				if ll, ok := i.(string); ok {
+					return strings.ToUpper(ll)
+				}
+				return "????"
+			},
+		}
 
 	case LogFormatJSON:
 		logWriter = os.Stderr