NOISSUE - Use constants for log level (#240)

* use constants for log level

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* fix tests

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

---------

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

manager/vm/logging.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"errors"
 	"io"
+	"log/slog"
 
 	"github.com/ultravioletrs/cocos/pkg/manager"
 	"google.golang.org/protobuf/types/known/timestamppb"
@@ -62,7 +63,7 @@ func (s *Stdout) Write(p []byte) (n int, err error) {
 				AgentLog: &manager.AgentLog{
 					Message:       string(buf[:n]),
 					ComputationId: s.ComputationId,
-					Level:         "debug",
+					Level:         slog.LevelDebug.String(),
 					Timestamp:     timestamppb.Now(),
 				},
 			},
@@ -101,7 +102,7 @@ func (s *Stderr) Write(p []byte) (n int, err error) {
 				AgentLog: &manager.AgentLog{
 					Message:       string(buf[:n]),
 					ComputationId: s.ComputationId,
-					Level:         "error",
+					Level:         slog.LevelError.String(),
 					Timestamp:     timestamppb.Now(),
 				},
 			},

manager/vm/logging_test.go

@@ -3,6 +3,7 @@
 package vm
 
 import (
+	"log/slog"
 	"testing"
 	"time"
 
@@ -54,7 +55,7 @@ func TestStdoutWrite(t *testing.T) {
 					agentLog := msg.GetAgentLog()
 					assert.NotNil(t, agentLog)
 					assert.Equal(t, "test-computation", agentLog.ComputationId)
-					assert.Equal(t, "debug", agentLog.Level)
+					assert.Equal(t, slog.LevelDebug.String(), agentLog.Level)
 					assert.NotEmpty(t, agentLog.Message)
 					assert.NotNil(t, agentLog.Timestamp)
 				case <-time.After(time.Second):
@@ -113,7 +114,7 @@ func TestStderrWrite(t *testing.T) {
 						agentLog := msg.GetAgentLog()
 						assert.NotNil(t, agentLog)
 						assert.Equal(t, "test-computation", agentLog.ComputationId)
-						assert.Equal(t, "error", agentLog.Level)
+						assert.Equal(t, slog.LevelError.String(), agentLog.Level)
 						assert.NotEmpty(t, agentLog.Message)
 						assert.NotNil(t, agentLog.Timestamp)
 					case *manager.ClientStreamMessage_AgentEvent: