From 801022fae6ade2f7c54da751749bbe4c7f83a0f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Leszczy=C5=84ski?= <2000michal@wp.pl>
Date: Mon, 27 May 2024 13:03:09 +0200
Subject: [PATCH] refactor(repair): move intensityHandler to separate file

---
 pkg/service/repair/intensity_handler.go | 81 +++++++++++++++++++++++++
 pkg/service/repair/service.go           | 70 ---------------------
 2 files changed, 81 insertions(+), 70 deletions(-)
 create mode 100644 pkg/service/repair/intensity_handler.go

diff --git a/pkg/service/repair/intensity_handler.go b/pkg/service/repair/intensity_handler.go
new file mode 100644
index 000000000..4afefa0d2
--- /dev/null
+++ b/pkg/service/repair/intensity_handler.go
@@ -0,0 +1,81 @@
+// Copyright (C) 2024 ScyllaDB
+
+package repair
+
+import (
+	"context"
+	"math"
+
+	"github.com/scylladb/go-log"
+	"github.com/scylladb/scylla-manager/v3/pkg/util/uuid"
+	"go.uber.org/atomic"
+)
+
+type sizeSetter interface {
+	SetSize(size int)
+}
+
+type intensityHandler struct {
+	taskID           uuid.UUID
+	runID            uuid.UUID
+	logger           log.Logger
+	maxHostIntensity map[string]Intensity
+	intensity        *atomic.Int64
+	maxParallel      int
+	parallel         *atomic.Int64
+	poolController   sizeSetter
+}
+
+const (
+	maxIntensity     Intensity = 0
+	defaultIntensity Intensity = 1
+	defaultParallel            = 0
+	chanSize                   = 10000
+)
+
+// SetIntensity sets the value of '--intensity' flag.
+func (i *intensityHandler) SetIntensity(ctx context.Context, intensity Intensity) {
+	i.logger.Info(ctx, "Setting repair intensity", "value", intensity, "previous", i.intensity.Load())
+	i.intensity.Store(int64(intensity))
+}
+
+// SetParallel sets the value of '--parallel' flag.
+func (i *intensityHandler) SetParallel(ctx context.Context, parallel int) {
+	i.logger.Info(ctx, "Setting repair parallel", "value", parallel, "previous", i.parallel.Load())
+	i.parallel.Store(int64(parallel))
+	if parallel == defaultParallel {
+		i.poolController.SetSize(i.maxParallel)
+	} else {
+		i.poolController.SetSize(parallel)
+	}
+}
+
+func (i *intensityHandler) ReplicaSetMaxIntensity(replicaSet []string) Intensity {
+	out := NewIntensity(math.MaxInt)
+	for _, rep := range replicaSet {
+		if ranges := i.maxHostIntensity[rep]; ranges < out {
+			out = ranges
+		}
+	}
+	return out
+}
+
+// MaxHostIntensity returns max_token_ranges_in_parallel per host.
+func (i *intensityHandler) MaxHostIntensity() map[string]Intensity {
+	return i.maxHostIntensity
+}
+
+// Intensity returns stored value for intensity.
+func (i *intensityHandler) Intensity() Intensity {
+	return NewIntensity(int(i.intensity.Load()))
+}
+
+// MaxParallel returns maximal achievable parallelism.
+func (i *intensityHandler) MaxParallel() int {
+	return i.maxParallel
+}
+
+// Parallel returns stored value for parallel.
+func (i *intensityHandler) Parallel() int {
+	return int(i.parallel.Load())
+}
diff --git a/pkg/service/repair/service.go b/pkg/service/repair/service.go
index 019a5b230..3b2590244 100644
--- a/pkg/service/repair/service.go
+++ b/pkg/service/repair/service.go
@@ -6,7 +6,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"math"
 	"strings"
 	"sync"
 	"time"
@@ -453,72 +452,3 @@ func (s *Service) SetParallel(ctx context.Context, clusterID uuid.UUID, parallel
 	}).ExecRelease()
 	return errors.Wrap(err, "update db")
 }
-
-type sizeSetter interface {
-	SetSize(size int)
-}
-
-type intensityHandler struct {
-	taskID           uuid.UUID
-	runID            uuid.UUID
-	logger           log.Logger
-	maxHostIntensity map[string]Intensity
-	intensity        *atomic.Int64
-	maxParallel      int
-	parallel         *atomic.Int64
-	poolController   sizeSetter
-}
-
-const (
-	maxIntensity     Intensity = 0
-	defaultIntensity Intensity = 1
-	defaultParallel            = 0
-	chanSize                   = 10000
-)
-
-// SetIntensity sets the value of '--intensity' flag.
-func (i *intensityHandler) SetIntensity(ctx context.Context, intensity Intensity) {
-	i.logger.Info(ctx, "Setting repair intensity", "value", intensity, "previous", i.intensity.Load())
-	i.intensity.Store(int64(intensity))
-}
-
-// SetParallel sets the value of '--parallel' flag.
-func (i *intensityHandler) SetParallel(ctx context.Context, parallel int) {
-	i.logger.Info(ctx, "Setting repair parallel", "value", parallel, "previous", i.parallel.Load())
-	i.parallel.Store(int64(parallel))
-	if parallel == defaultParallel {
-		i.poolController.SetSize(i.maxParallel)
-	} else {
-		i.poolController.SetSize(parallel)
-	}
-}
-
-func (i *intensityHandler) ReplicaSetMaxIntensity(replicaSet []string) Intensity {
-	out := NewIntensity(math.MaxInt)
-	for _, rep := range replicaSet {
-		if ranges := i.maxHostIntensity[rep]; ranges < out {
-			out = ranges
-		}
-	}
-	return out
-}
-
-// MaxHostIntensity returns max_token_ranges_in_parallel per host.
-func (i *intensityHandler) MaxHostIntensity() map[string]Intensity {
-	return i.maxHostIntensity
-}
-
-// Intensity returns stored value for intensity.
-func (i *intensityHandler) Intensity() Intensity {
-	return NewIntensity(int(i.intensity.Load()))
-}
-
-// MaxParallel returns maximal achievable parallelism.
-func (i *intensityHandler) MaxParallel() int {
-	return i.maxParallel
-}
-
-// Parallel returns stored value for parallel.
-func (i *intensityHandler) Parallel() int {
-	return int(i.parallel.Load())
-}