From 14c41a99df18cb1c9b2a941a7715922843783b38 Mon Sep 17 00:00:00 2001
From: Alexey Kazakov <alkazako@redhat.com>
Date: Fri, 2 Aug 2024 11:06:27 -0700
Subject: [PATCH] Add Autoscaler Buffer CPU to configuration (#422)

---
 go.mod                                             |  2 +-
 go.sum                                             |  4 ++--
 .../memberoperatorconfig/configuration.go          |  6 +++++-
 .../memberoperatorconfig/configuration_test.go     | 14 ++++++++++++++
 pkg/test/config/memberoperatorconfig.go            |  7 +++++++
 5 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/go.mod b/go.mod
index 544e19a5..9cfb697e 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/codeready-toolchain/toolchain-common
 go 1.20
 
 require (
-	github.com/codeready-toolchain/api v0.0.0-20240801160201-ed4387f19137
+	github.com/codeready-toolchain/api v0.0.0-20240802163003-cce070815e69
 	github.com/go-logr/logr v1.2.3
 	github.com/golang-jwt/jwt/v5 v5.2.0
 	github.com/lestrrat-go/jwx v1.2.29
diff --git a/go.sum b/go.sum
index d4540374..668d111f 100644
--- a/go.sum
+++ b/go.sum
@@ -115,8 +115,8 @@ github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWH
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo=
 github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA=
 github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI=
-github.com/codeready-toolchain/api v0.0.0-20240801160201-ed4387f19137 h1:axAZH/Ku+QHu2eQjlx/a7dctWRgj0T3K4gfnq1fzKFo=
-github.com/codeready-toolchain/api v0.0.0-20240801160201-ed4387f19137/go.mod h1:ie9p4LenCCS0LsnbWp6/xwpFDdCWYE0KWzUO6Sk1g0E=
+github.com/codeready-toolchain/api v0.0.0-20240802163003-cce070815e69 h1:e6up2k4O7QdG6hu0iOwNGap60b932N0JXlweDmmvCAQ=
+github.com/codeready-toolchain/api v0.0.0-20240802163003-cce070815e69/go.mod h1:ie9p4LenCCS0LsnbWp6/xwpFDdCWYE0KWzUO6Sk1g0E=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
diff --git a/pkg/configuration/memberoperatorconfig/configuration.go b/pkg/configuration/memberoperatorconfig/configuration.go
index 3fef4b38..d8ea6f40 100644
--- a/pkg/configuration/memberoperatorconfig/configuration.go
+++ b/pkg/configuration/memberoperatorconfig/configuration.go
@@ -132,7 +132,11 @@ func (a AutoscalerConfig) Deploy() bool {
 }
 
 func (a AutoscalerConfig) BufferMemory() string {
-	return commonconfig.GetString(a.autoscaler.BufferMemory, "50Mi") // TODO temporarily changed to e2e value, should be changed back to "" after autoscaler handling is moved to memberoperatorconfig controller
+	return commonconfig.GetString(a.autoscaler.BufferMemory, "50Mi")
+}
+
+func (a AutoscalerConfig) BufferCPU() string {
+	return commonconfig.GetString(a.autoscaler.BufferCPU, "50m")
 }
 
 func (a AutoscalerConfig) BufferReplicas() int {
diff --git a/pkg/configuration/memberoperatorconfig/configuration_test.go b/pkg/configuration/memberoperatorconfig/configuration_test.go
index 07f43e34..41a37288 100644
--- a/pkg/configuration/memberoperatorconfig/configuration_test.go
+++ b/pkg/configuration/memberoperatorconfig/configuration_test.go
@@ -54,6 +54,20 @@ func TestAutoscaler(t *testing.T) {
 			assert.Equal(t, "5GiB", memberOperatorCfg.Autoscaler().BufferMemory())
 		})
 	})
+	t.Run("buffer cpu", func(t *testing.T) {
+		t.Run("default", func(t *testing.T) {
+			cfg := commonconfig.NewMemberOperatorConfigWithReset(t)
+			memberOperatorCfg := Configuration{cfg: &cfg.Spec}
+
+			assert.Equal(t, "50m", memberOperatorCfg.Autoscaler().BufferCPU())
+		})
+		t.Run("non-default", func(t *testing.T) {
+			cfg := commonconfig.NewMemberOperatorConfigWithReset(t, testconfig.Autoscaler().BufferCPU("2000m"))
+			memberOperatorCfg := Configuration{cfg: &cfg.Spec}
+
+			assert.Equal(t, "2000m", memberOperatorCfg.Autoscaler().BufferCPU())
+		})
+	})
 	t.Run("buffer replicas", func(t *testing.T) {
 		t.Run("default", func(t *testing.T) {
 			cfg := commonconfig.NewMemberOperatorConfigWithReset(t)
diff --git a/pkg/test/config/memberoperatorconfig.go b/pkg/test/config/memberoperatorconfig.go
index aa78383d..2d141c6e 100644
--- a/pkg/test/config/memberoperatorconfig.go
+++ b/pkg/test/config/memberoperatorconfig.go
@@ -75,6 +75,13 @@ func (o AutoscalerOption) BufferMemory(value string) AutoscalerOption {
 	return o
 }
 
+func (o AutoscalerOption) BufferCPU(value string) AutoscalerOption {
+	o.addFunction(func(config *toolchainv1alpha1.MemberOperatorConfig) {
+		config.Spec.Autoscaler.BufferCPU = &value
+	})
+	return o
+}
+
 func (o AutoscalerOption) BufferReplicas(value int) AutoscalerOption {
 	o.addFunction(func(config *toolchainv1alpha1.MemberOperatorConfig) {
 		config.Spec.Autoscaler.BufferReplicas = &value